From 4e6d69e7446a51cc135d4861db1611878f15a7cf Mon Sep 17 00:00:00 2001 From: Derek Parker Date: Wed, 30 Sep 2015 17:31:01 -0700 Subject: [PATCH] all: Vendor with Godeps & GO15EXPERIMENT Use godeps to vendor dependencies and the normal go toolchain, with GO15VENDOREXPERIMENT=1 set to properly vendor dependencies for reproducible builds. --- Godeps/Godeps.json | 55 + Godeps/Readme | 5 + Makefile | 15 +- .../cpuguy83/go-md2man/md2man/md2man.go | 19 + .../cpuguy83/go-md2man/md2man/roff.go | 269 ++ vendor/github.com/davecheney/profile/AUTHORS | 1 + vendor/github.com/davecheney/profile/LICENSE | 24 + .../github.com/davecheney/profile/README.md | 50 + .../github.com/davecheney/profile/profile.go | 169 + .../davecheney/profile/profile_test.go | 11 + .../inconshreveable/mousetrap/LICENSE | 13 + .../inconshreveable/mousetrap/README.md | 23 + .../inconshreveable/mousetrap/trap_others.go | 15 + .../inconshreveable/mousetrap/trap_windows.go | 98 + .../mousetrap/trap_windows_1.4.go | 46 + vendor/github.com/peterh/liner/COPYING | 21 + vendor/github.com/peterh/liner/README.md | 99 + vendor/github.com/peterh/liner/bsdinput.go | 39 + vendor/github.com/peterh/liner/common.go | 219 ++ .../github.com/peterh/liner/fallbackinput.go | 57 + vendor/github.com/peterh/liner/input.go | 368 +++ .../github.com/peterh/liner/input_darwin.go | 39 + vendor/github.com/peterh/liner/input_linux.go | 26 + vendor/github.com/peterh/liner/input_test.go | 61 + .../github.com/peterh/liner/input_windows.go | 321 ++ vendor/github.com/peterh/liner/line.go | 884 ++++++ vendor/github.com/peterh/liner/line_test.go | 90 + vendor/github.com/peterh/liner/output.go | 63 + .../github.com/peterh/liner/output_windows.go | 54 + vendor/github.com/peterh/liner/prefix_test.go | 37 + vendor/github.com/peterh/liner/race_test.go | 44 + vendor/github.com/peterh/liner/signal.go | 12 + .../github.com/peterh/liner/signal_legacy.go | 11 + vendor/github.com/peterh/liner/unixmode.go | 37 + vendor/github.com/peterh/liner/width.go | 60 + vendor/github.com/peterh/liner/width_test.go | 102 + .../russross/blackfriday/.gitignore | 8 + .../russross/blackfriday/.travis.yml | 17 + .../github.com/russross/blackfriday/README.md | 246 ++ .../github.com/russross/blackfriday/block.go | 1389 +++++++++ .../russross/blackfriday/block_test.go | 1407 +++++++++ .../github.com/russross/blackfriday/html.go | 948 ++++++ .../github.com/russross/blackfriday/inline.go | 1103 +++++++ .../russross/blackfriday/inline_test.go | 1016 ++++++ .../github.com/russross/blackfriday/latex.go | 332 ++ .../russross/blackfriday/markdown.go | 919 ++++++ .../russross/blackfriday/ref_test.go | 128 + .../russross/blackfriday/smartypants.go | 398 +++ .../testdata/Amps and angle encoding.html | 17 + .../testdata/Amps and angle encoding.text | 21 + .../blackfriday/testdata/Auto links.html | 18 + .../blackfriday/testdata/Auto links.text | 13 + .../testdata/Backslash escapes.html | 123 + .../testdata/Backslash escapes.text | 126 + .../Blockquotes with code blocks.html | 15 + .../Blockquotes with code blocks.text | 11 + .../blackfriday/testdata/Code Blocks.html | 18 + .../blackfriday/testdata/Code Blocks.text | 14 + .../blackfriday/testdata/Code Spans.html | 5 + .../blackfriday/testdata/Code Spans.text | 6 + ...like lines no empty line before block.html | 14 + ...like lines no empty line before block.text | 8 + ...apped paragraphs with list-like lines.html | 8 + ...apped paragraphs with list-like lines.text | 8 + .../testdata/Horizontal rules.html | 71 + .../testdata/Horizontal rules.text | 67 + .../testdata/Inline HTML (Advanced).html | 15 + .../testdata/Inline HTML (Advanced).text | 15 + .../testdata/Inline HTML (Simple).html | 72 + .../testdata/Inline HTML (Simple).text | 69 + .../testdata/Inline HTML comments.html | 13 + .../testdata/Inline HTML comments.text | 13 + .../testdata/Links, inline style.html | 11 + .../testdata/Links, inline style.text | 12 + .../testdata/Links, reference style.html | 52 + .../testdata/Links, reference style.text | 71 + .../testdata/Links, shortcut references.html | 9 + .../testdata/Links, shortcut references.text | 20 + .../testdata/Literal quotes in titles.html | 3 + .../testdata/Literal quotes in titles.text | 7 + .../Markdown Documentation - Basics.html | 314 ++ .../Markdown Documentation - Basics.text | 306 ++ .../Markdown Documentation - Syntax.html | 946 ++++++ .../Markdown Documentation - Syntax.text | 888 ++++++ .../testdata/Nested blockquotes.html | 9 + .../testdata/Nested blockquotes.text | 5 + .../testdata/Ordered and unordered lists.html | 166 + .../testdata/Ordered and unordered lists.text | 131 + .../testdata/Strong and em together.html | 7 + .../testdata/Strong and em together.text | 7 + .../russross/blackfriday/testdata/Tabs.html | 26 + .../russross/blackfriday/testdata/Tabs.text | 21 + .../blackfriday/testdata/Tidyness.html | 9 + .../blackfriday/testdata/Tidyness.text | 5 + .../sanitized_anchor_name/.travis.yml | 10 + 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vendor/gopkg.in/yaml.v2/decode_test.go create mode 100644 vendor/gopkg.in/yaml.v2/emitterc.go create mode 100644 vendor/gopkg.in/yaml.v2/encode.go create mode 100644 vendor/gopkg.in/yaml.v2/encode_test.go create mode 100644 vendor/gopkg.in/yaml.v2/parserc.go create mode 100644 vendor/gopkg.in/yaml.v2/readerc.go create mode 100644 vendor/gopkg.in/yaml.v2/resolve.go create mode 100644 vendor/gopkg.in/yaml.v2/scannerc.go create mode 100644 vendor/gopkg.in/yaml.v2/sorter.go create mode 100644 vendor/gopkg.in/yaml.v2/suite_test.go create mode 100644 vendor/gopkg.in/yaml.v2/writerc.go create mode 100644 vendor/gopkg.in/yaml.v2/yaml.go create mode 100644 vendor/gopkg.in/yaml.v2/yamlh.go create mode 100644 vendor/gopkg.in/yaml.v2/yamlprivateh.go diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json new file mode 100644 index 00000000..cad6d491 --- /dev/null +++ b/Godeps/Godeps.json @@ -0,0 +1,55 @@ +{ + "ImportPath": "github.com/derekparker/delve", + "GoVersion": "go1.5.1", + "Packages": [ + "./..." + ], + "Deps": [ + { + "ImportPath": "github.com/cpuguy83/go-md2man/md2man", + "Comment": "v1.0.4", + "Rev": "71acacd42f85e5e82f70a55327789582a5200a90" + }, + { + "ImportPath": "github.com/davecheney/profile", + "Rev": "c29d1a1565bca9fbeed5eed0e5d52ba78469a16b" + }, + { + "ImportPath": "github.com/inconshreveable/mousetrap", + "Rev": "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75" + }, + { + "ImportPath": "github.com/peterh/liner", + "Rev": "941195f85dd7a23971a3d55142972d396278ddcf" + }, + { + "ImportPath": "github.com/russross/blackfriday", + "Comment": "v1.3", + "Rev": "8cec3a854e68dba10faabbe31c089abf4a3e57a6" + }, + { + "ImportPath": "github.com/shurcooL/sanitized_anchor_name", + "Rev": "244f5ac324cb97e1987ef901a0081a77bfd8e845" + }, + { + "ImportPath": "github.com/spf13/cobra", + "Rev": "53d96508f5c9311f5dade714e1de7bd6a9d2af4a" + }, + { + "ImportPath": "github.com/spf13/pflag", + "Rev": "b084184666e02084b8ccb9b704bf0d79c466eb1d" + }, + { + "ImportPath": "golang.org/x/sys/unix", + "Rev": "342d6a85aa15bcd2ec54803cdffe90d52b6f35a7" + }, + { + "ImportPath": "gopkg.in/check.v1", + "Rev": "11d3bc7aa68e238947792f30573146a3231fc0f1" + }, + { + "ImportPath": "gopkg.in/yaml.v2", + "Rev": "53feefa2559fb8dfa8d81baad31be332c97d6c77" + } + ] +} diff --git a/Godeps/Readme b/Godeps/Readme new file mode 100644 index 00000000..4cdaa53d --- /dev/null +++ b/Godeps/Readme @@ -0,0 +1,5 @@ +This directory tree is generated automatically by godep. + +Please do not edit. + +See https://github.com/tools/godep for more information. diff --git a/Makefile b/Makefile index 5e954b5b..1c530470 100644 --- a/Makefile +++ b/Makefile @@ -23,28 +23,19 @@ endif endif endif -deps: check-cert -ifeq "$(SKIP_DEPS)" "" - go get -u github.com/peterh/liner - go get -u github.com/spf13/cobra - go get -u golang.org/x/sys/unix - go get -u github.com/davecheney/profile - go get -u gopkg.in/yaml.v2 -endif - -build: deps +build: check-cert go build $(FLAGS) github.com/derekparker/delve/cmd/dlv ifeq "$(UNAME)" "Darwin" codesign -s $(CERT) ./dlv endif -install: deps +install: check-cert go install $(FLAGS) github.com/derekparker/delve/cmd/dlv ifeq "$(UNAME)" "Darwin" codesign -s $(CERT) $(GOPATH)/bin/dlv endif -test: deps +test: check-cert ifeq "$(UNAME)" "Darwin" ifeq "$(TRAVIS)" "true" sudo -E go test -v ./... diff --git a/vendor/github.com/cpuguy83/go-md2man/md2man/md2man.go b/vendor/github.com/cpuguy83/go-md2man/md2man/md2man.go new file mode 100644 index 00000000..8f44fa15 --- /dev/null +++ b/vendor/github.com/cpuguy83/go-md2man/md2man/md2man.go @@ -0,0 +1,19 @@ +package md2man + +import ( + "github.com/russross/blackfriday" +) + +func Render(doc []byte) []byte { + renderer := RoffRenderer(0) + extensions := 0 + extensions |= blackfriday.EXTENSION_NO_INTRA_EMPHASIS + extensions |= blackfriday.EXTENSION_TABLES + extensions |= blackfriday.EXTENSION_FENCED_CODE + extensions |= blackfriday.EXTENSION_AUTOLINK + extensions |= blackfriday.EXTENSION_SPACE_HEADERS + extensions |= blackfriday.EXTENSION_FOOTNOTES + extensions |= blackfriday.EXTENSION_TITLEBLOCK + + return blackfriday.Markdown(doc, renderer, extensions) +} diff --git a/vendor/github.com/cpuguy83/go-md2man/md2man/roff.go b/vendor/github.com/cpuguy83/go-md2man/md2man/roff.go new file mode 100644 index 00000000..4478786b --- /dev/null +++ b/vendor/github.com/cpuguy83/go-md2man/md2man/roff.go @@ -0,0 +1,269 @@ +package md2man + +import ( + "bytes" + "fmt" + "html" + "strings" + + "github.com/russross/blackfriday" +) + +type roffRenderer struct{} + +func RoffRenderer(flags int) blackfriday.Renderer { + return &roffRenderer{} +} + +func (r *roffRenderer) GetFlags() int { + return 0 +} + +func (r *roffRenderer) TitleBlock(out *bytes.Buffer, text []byte) { + out.WriteString(".TH ") + + splitText := bytes.Split(text, []byte("\n")) + for i, line := range splitText { + line = bytes.TrimPrefix(line, []byte("% ")) + if i == 0 { + line = bytes.Replace(line, []byte("("), []byte("\" \""), 1) + line = bytes.Replace(line, []byte(")"), []byte("\" \""), 1) + } + line = append([]byte("\""), line...) + line = append(line, []byte("\" ")...) + out.Write(line) + } + + out.WriteString(" \"\"\n") +} + +func (r *roffRenderer) BlockCode(out *bytes.Buffer, text []byte, lang string) { + out.WriteString("\n.PP\n.RS\n\n.nf\n") + escapeSpecialChars(out, text) + out.WriteString("\n.fi\n.RE\n") +} + +func (r *roffRenderer) BlockQuote(out *bytes.Buffer, text []byte) { + out.WriteString("\n.PP\n.RS\n") + out.Write(text) + out.WriteString("\n.RE\n") +} + +func (r *roffRenderer) BlockHtml(out *bytes.Buffer, text []byte) { + out.Write(text) +} + +func (r *roffRenderer) Header(out *bytes.Buffer, text func() bool, level int, id string) { + marker := out.Len() + + switch { + case marker == 0: + // This is the doc header + out.WriteString(".TH ") + case level == 1: + out.WriteString("\n\n.SH ") + case level == 2: + out.WriteString("\n.SH ") + default: + out.WriteString("\n.SS ") + } + + if !text() { + out.Truncate(marker) + return + } +} + +func (r *roffRenderer) HRule(out *bytes.Buffer) { + out.WriteString("\n.ti 0\n\\l'\\n(.lu'\n") +} + +func (r *roffRenderer) List(out *bytes.Buffer, text func() bool, flags int) { + marker := out.Len() + out.WriteString(".IP ") + if flags&blackfriday.LIST_TYPE_ORDERED != 0 { + out.WriteString("\\(bu 2") + } else { + out.WriteString("\\n+[step" + string(flags) + "]") + } + out.WriteString("\n") + if !text() { + out.Truncate(marker) + return + } + +} + +func (r *roffRenderer) ListItem(out *bytes.Buffer, text []byte, flags int) { + out.WriteString("\n\\item ") + out.Write(text) +} + +func (r *roffRenderer) Paragraph(out *bytes.Buffer, text func() bool) { + marker := out.Len() + out.WriteString("\n.PP\n") + if !text() { + out.Truncate(marker) + return + } + if marker != 0 { + out.WriteString("\n") + } +} + +// TODO: This might now work +func (r *roffRenderer) Table(out *bytes.Buffer, header []byte, body []byte, columnData []int) { + out.WriteString(".TS\nallbox;\n") + + out.Write(header) + out.Write(body) + out.WriteString("\n.TE\n") +} + +func (r *roffRenderer) TableRow(out *bytes.Buffer, text []byte) { + if out.Len() > 0 { + out.WriteString("\n") + } + out.Write(text) + out.WriteString("\n") +} + +func (r *roffRenderer) TableHeaderCell(out *bytes.Buffer, text []byte, align int) { + if out.Len() > 0 { + out.WriteString(" ") + } + out.Write(text) + out.WriteString(" ") +} + +// TODO: This is probably broken +func (r *roffRenderer) TableCell(out *bytes.Buffer, text []byte, align int) { + if out.Len() > 0 { + out.WriteString("\t") + } + out.Write(text) + out.WriteString("\t") +} + +func (r *roffRenderer) Footnotes(out *bytes.Buffer, text func() bool) { + +} + +func (r *roffRenderer) FootnoteItem(out *bytes.Buffer, name, text []byte, flags int) { + +} + +func (r *roffRenderer) AutoLink(out *bytes.Buffer, link []byte, kind int) { + out.WriteString("\n\\[la]") + out.Write(link) + out.WriteString("\\[ra]") +} + +func (r *roffRenderer) CodeSpan(out *bytes.Buffer, text []byte) { + out.WriteString("\\fB\\fC") + escapeSpecialChars(out, text) + out.WriteString("\\fR") +} + +func (r *roffRenderer) DoubleEmphasis(out *bytes.Buffer, text []byte) { + out.WriteString("\\fB") + out.Write(text) + out.WriteString("\\fP") +} + +func (r *roffRenderer) Emphasis(out *bytes.Buffer, text []byte) { + out.WriteString("\\fI") + out.Write(text) + out.WriteString("\\fP") +} + +func (r *roffRenderer) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) { +} + +func (r *roffRenderer) LineBreak(out *bytes.Buffer) { + out.WriteString("\n.br\n") +} + +func (r *roffRenderer) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) { + r.AutoLink(out, link, 0) +} + +func (r *roffRenderer) RawHtmlTag(out *bytes.Buffer, tag []byte) { + out.Write(tag) +} + +func (r *roffRenderer) TripleEmphasis(out *bytes.Buffer, text []byte) { + out.WriteString("\\s+2") + out.Write(text) + out.WriteString("\\s-2") +} + +func (r *roffRenderer) StrikeThrough(out *bytes.Buffer, text []byte) { +} + +func (r *roffRenderer) FootnoteRef(out *bytes.Buffer, ref []byte, id int) { + +} + +func (r *roffRenderer) Entity(out *bytes.Buffer, entity []byte) { + out.WriteString(html.UnescapeString(string(entity))) +} + +func processFooterText(text []byte) []byte { + text = bytes.TrimPrefix(text, []byte("% ")) + newText := []byte{} + textArr := strings.Split(string(text), ") ") + + for i, w := range textArr { + if i == 0 { + w = strings.Replace(w, "(", "\" \"", 1) + w = fmt.Sprintf("\"%s\"", w) + } else { + w = fmt.Sprintf(" \"%s\"", w) + } + newText = append(newText, []byte(w)...) + } + newText = append(newText, []byte(" \"\"")...) + + return newText +} + +func (r *roffRenderer) NormalText(out *bytes.Buffer, text []byte) { + escapeSpecialChars(out, text) +} + +func (r *roffRenderer) DocumentHeader(out *bytes.Buffer) { +} + +func (r *roffRenderer) DocumentFooter(out *bytes.Buffer) { +} + +func needsBackslash(c byte) bool { + for _, r := range []byte("-_&\\~") { + if c == r { + return true + } + } + return false +} + +func escapeSpecialChars(out *bytes.Buffer, text []byte) { + for i := 0; i < len(text); i++ { + // directly copy normal characters + org := i + + for i < len(text) && !needsBackslash(text[i]) { + i++ + } + if i > org { + out.Write(text[org:i]) + } + + // escape a character + if i >= len(text) { + break + } + out.WriteByte('\\') + out.WriteByte(text[i]) + } +} diff --git a/vendor/github.com/davecheney/profile/AUTHORS b/vendor/github.com/davecheney/profile/AUTHORS new file mode 100644 index 00000000..00441d35 --- /dev/null +++ b/vendor/github.com/davecheney/profile/AUTHORS @@ -0,0 +1 @@ +Dave Cheney diff --git a/vendor/github.com/davecheney/profile/LICENSE b/vendor/github.com/davecheney/profile/LICENSE new file mode 100644 index 00000000..f747a841 --- /dev/null +++ b/vendor/github.com/davecheney/profile/LICENSE @@ -0,0 +1,24 @@ +Copyright (c) 2013 Dave Cheney. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/davecheney/profile/README.md b/vendor/github.com/davecheney/profile/README.md new file mode 100644 index 00000000..fa4bed41 --- /dev/null +++ b/vendor/github.com/davecheney/profile/README.md @@ -0,0 +1,50 @@ +profile +======= + +Simple profiling support package for Go + +installation +------------ + + go get github.com/davecheney/profile + +usage +----- + +Enabling profiling in your application is as simple as one line at the top of your main function + +```go +import "github.com/davecheney/profile" + +func main() { + defer profile.Start(profile.CPUProfile).Stop() + ... +} +``` + +options +------- + +What to profile is controlled by the \*profile.Config value passed to profile.Start. A nil +Config is the same as choosing all the defaults. By default no profiles are enabled. + +```go +import "github.com/davecheney/profile" + +func main() { + cfg := profile.Config{ + MemProfile: true, + ProfilePath: ".", // store profiles in current directory + NoShutdownHook: true, // do not hook SIGINT + } + + // p.Stop() must be called before the program exits to + // ensure profiling information is written to disk. + p := profile.Start(&cfg) + ... +} +``` + +Several convenience package level values are provided for cpu, memory, and block (contention) profiling. + +For more complex options, consult the [documentation](http://godoc.org/github.com/davecheney/profile) on the profile.Config type. Enabling more than one profile at once may cause your results to be less reliable as profiling itself is not without overhead. diff --git a/vendor/github.com/davecheney/profile/profile.go b/vendor/github.com/davecheney/profile/profile.go new file mode 100644 index 00000000..f8351341 --- /dev/null +++ b/vendor/github.com/davecheney/profile/profile.go @@ -0,0 +1,169 @@ +// Package profile provides a simple way to manage runtime/pprof +// profiling of your Go application. +package profile + +import ( + "io/ioutil" + "log" + "os" + "os/signal" + "path/filepath" + "runtime" + "runtime/pprof" +) + +// Config controls the operation of the profile package. +type Config struct { + // Quiet suppresses informational messages during profiling. + Quiet bool + + // CPUProfile controls if cpu profiling will be enabled. + // It defaults to false. + CPUProfile bool + + // MemProfile controls if memory profiling will be enabled. + // It defaults to false. + MemProfile bool + + // BlockProfile controls if block (contention) profiling will + // be enabled. + // It defaults to false. + BlockProfile bool + + // ProfilePath controls the base path where various profiling + // files are written. If blank, the base path will be generated + // by ioutil.TempDir. + ProfilePath string + + // NoShutdownHook controls whether the profiling package should + // hook SIGINT to write profiles cleanly. + // Programs with more sophisticated signal handling should set + // this to true and ensure the Stop() function returned from Start() + // is called during shutdown. + NoShutdownHook bool +} + +var zeroConfig Config + +const memProfileRate = 4096 + +func defaultConfig() *Config { return &zeroConfig } + +var ( + CPUProfile = &Config{ + CPUProfile: true, + } + + MemProfile = &Config{ + MemProfile: true, + } + + BlockProfile = &Config{ + BlockProfile: true, + } +) + +type profile struct { + path string + *Config + closers []func() +} + +func (p *profile) Stop() { + for _, c := range p.closers { + c() + } +} + +// Start starts a new profiling session configured using *Config. +// The caller should call the Stop method on the value returned +// to cleanly stop profiling. +// Passing a nil *Config is the same as passing a *Config with +// defaults chosen. +func Start(cfg *Config) interface { + Stop() +} { + if cfg == nil { + cfg = defaultConfig() + } + path := cfg.ProfilePath + var err error + if path == "" { + path, err = ioutil.TempDir("", "profile") + } else { + err = os.MkdirAll(path, 0777) + } + if err != nil { + log.Fatalf("profile: could not create initial output directory: %v", err) + } + prof := &profile{ + path: path, + Config: cfg, + } + + if prof.CPUProfile { + fn := filepath.Join(prof.path, "cpu.pprof") + f, err := os.Create(fn) + if err != nil { + log.Fatalf("profile: could not create cpu profile %q: %v", fn, err) + } + if !prof.Quiet { + log.Printf("profile: cpu profiling enabled, %s", fn) + } + pprof.StartCPUProfile(f) + prof.closers = append(prof.closers, func() { + pprof.StopCPUProfile() + f.Close() + }) + } + + if prof.MemProfile { + fn := filepath.Join(prof.path, "mem.pprof") + f, err := os.Create(fn) + if err != nil { + log.Fatalf("profile: could not create memory profile %q: %v", fn, err) + } + old := runtime.MemProfileRate + runtime.MemProfileRate = memProfileRate + if !prof.Quiet { + log.Printf("profile: memory profiling enabled, %s", fn) + } + prof.closers = append(prof.closers, func() { + pprof.Lookup("heap").WriteTo(f, 0) + f.Close() + runtime.MemProfileRate = old + }) + } + + if prof.BlockProfile { + fn := filepath.Join(prof.path, "block.pprof") + f, err := os.Create(fn) + if err != nil { + log.Fatalf("profile: could not create block profile %q: %v", fn, err) + } + runtime.SetBlockProfileRate(1) + if !prof.Quiet { + log.Printf("profile: block profiling enabled, %s", fn) + } + prof.closers = append(prof.closers, func() { + pprof.Lookup("block").WriteTo(f, 0) + f.Close() + runtime.SetBlockProfileRate(0) + }) + } + + if !prof.NoShutdownHook { + go func() { + c := make(chan os.Signal, 1) + signal.Notify(c, os.Interrupt) + <-c + + log.Println("profile: caught interrupt, stopping profiles") + prof.Stop() + + os.Exit(0) + }() + } + + return prof +} diff --git a/vendor/github.com/davecheney/profile/profile_test.go b/vendor/github.com/davecheney/profile/profile_test.go new file mode 100644 index 00000000..1c370263 --- /dev/null +++ b/vendor/github.com/davecheney/profile/profile_test.go @@ -0,0 +1,11 @@ +package profile_test + +import ( + "github.com/davecheney/profile" +) + +func ExampleStart() { + // start a simple CPU profile and register + // a defer to Stop (flush) the profiling data. + defer profile.Start(profile.CPUProfile).Stop() +} diff --git a/vendor/github.com/inconshreveable/mousetrap/LICENSE b/vendor/github.com/inconshreveable/mousetrap/LICENSE new file mode 100644 index 00000000..5f0d1fb6 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/LICENSE @@ -0,0 +1,13 @@ +Copyright 2014 Alan Shreve + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/vendor/github.com/inconshreveable/mousetrap/README.md b/vendor/github.com/inconshreveable/mousetrap/README.md new file mode 100644 index 00000000..7a950d17 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/README.md @@ -0,0 +1,23 @@ +# mousetrap + +mousetrap is a tiny library that answers a single question. + +On a Windows machine, was the process invoked by someone double clicking on +the executable file while browsing in explorer? + +### Motivation + +Windows developers unfamiliar with command line tools will often "double-click" +the executable for a tool. Because most CLI tools print the help and then exit +when invoked without arguments, this is often very frustrating for those users. + +mousetrap provides a way to detect these invocations so that you can provide +more helpful behavior and instructions on how to run the CLI tool. To see what +this looks like, both from an organizational and a technical perspective, see +https://inconshreveable.com/09-09-2014/sweat-the-small-stuff/ + +### The interface + +The library exposes a single interface: + + func StartedByExplorer() (bool) diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_others.go b/vendor/github.com/inconshreveable/mousetrap/trap_others.go new file mode 100644 index 00000000..9d2d8a4b --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_others.go @@ -0,0 +1,15 @@ +// +build !windows + +package mousetrap + +// StartedByExplorer returns true if the program was invoked by the user +// double-clicking on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +// +// On non-Windows platforms, it always returns false. +func StartedByExplorer() bool { + return false +} diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_windows.go b/vendor/github.com/inconshreveable/mousetrap/trap_windows.go new file mode 100644 index 00000000..336142a5 --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_windows.go @@ -0,0 +1,98 @@ +// +build windows +// +build !go1.4 + +package mousetrap + +import ( + "fmt" + "os" + "syscall" + "unsafe" +) + +const ( + // defined by the Win32 API + th32cs_snapprocess uintptr = 0x2 +) + +var ( + kernel = syscall.MustLoadDLL("kernel32.dll") + CreateToolhelp32Snapshot = kernel.MustFindProc("CreateToolhelp32Snapshot") + Process32First = kernel.MustFindProc("Process32FirstW") + Process32Next = kernel.MustFindProc("Process32NextW") +) + +// ProcessEntry32 structure defined by the Win32 API +type processEntry32 struct { + dwSize uint32 + cntUsage uint32 + th32ProcessID uint32 + th32DefaultHeapID int + th32ModuleID uint32 + cntThreads uint32 + th32ParentProcessID uint32 + pcPriClassBase int32 + dwFlags uint32 + szExeFile [syscall.MAX_PATH]uint16 +} + +func getProcessEntry(pid int) (pe *processEntry32, err error) { + snapshot, _, e1 := CreateToolhelp32Snapshot.Call(th32cs_snapprocess, uintptr(0)) + if snapshot == uintptr(syscall.InvalidHandle) { + err = fmt.Errorf("CreateToolhelp32Snapshot: %v", e1) + return + } + defer syscall.CloseHandle(syscall.Handle(snapshot)) + + var processEntry processEntry32 + processEntry.dwSize = uint32(unsafe.Sizeof(processEntry)) + ok, _, e1 := Process32First.Call(snapshot, uintptr(unsafe.Pointer(&processEntry))) + if ok == 0 { + err = fmt.Errorf("Process32First: %v", e1) + return + } + + for { + if processEntry.th32ProcessID == uint32(pid) { + pe = &processEntry + return + } + + ok, _, e1 = Process32Next.Call(snapshot, uintptr(unsafe.Pointer(&processEntry))) + if ok == 0 { + err = fmt.Errorf("Process32Next: %v", e1) + return + } + } +} + +func getppid() (pid int, err error) { + pe, err := getProcessEntry(os.Getpid()) + if err != nil { + return + } + + pid = int(pe.th32ParentProcessID) + return +} + +// StartedByExplorer returns true if the program was invoked by the user double-clicking +// on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +func StartedByExplorer() bool { + ppid, err := getppid() + if err != nil { + return false + } + + pe, err := getProcessEntry(ppid) + if err != nil { + return false + } + + name := syscall.UTF16ToString(pe.szExeFile[:]) + return name == "explorer.exe" +} diff --git a/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go new file mode 100644 index 00000000..9a28e57c --- /dev/null +++ b/vendor/github.com/inconshreveable/mousetrap/trap_windows_1.4.go @@ -0,0 +1,46 @@ +// +build windows +// +build go1.4 + +package mousetrap + +import ( + "os" + "syscall" + "unsafe" +) + +func getProcessEntry(pid int) (*syscall.ProcessEntry32, error) { + snapshot, err := syscall.CreateToolhelp32Snapshot(syscall.TH32CS_SNAPPROCESS, 0) + if err != nil { + return nil, err + } + defer syscall.CloseHandle(snapshot) + var procEntry syscall.ProcessEntry32 + procEntry.Size = uint32(unsafe.Sizeof(procEntry)) + if err = syscall.Process32First(snapshot, &procEntry); err != nil { + return nil, err + } + for { + if procEntry.ProcessID == uint32(pid) { + return &procEntry, nil + } + err = syscall.Process32Next(snapshot, &procEntry) + if err != nil { + return nil, err + } + } +} + +// StartedByExplorer returns true if the program was invoked by the user double-clicking +// on the executable from explorer.exe +// +// It is conservative and returns false if any of the internal calls fail. +// It does not guarantee that the program was run from a terminal. It only can tell you +// whether it was launched from explorer.exe +func StartedByExplorer() bool { + pe, err := getProcessEntry(os.Getppid()) + if err != nil { + return false + } + return "explorer.exe" == syscall.UTF16ToString(pe.ExeFile[:]) +} diff --git a/vendor/github.com/peterh/liner/COPYING b/vendor/github.com/peterh/liner/COPYING new file mode 100644 index 00000000..9e8c9f20 --- /dev/null +++ b/vendor/github.com/peterh/liner/COPYING @@ -0,0 +1,21 @@ +Copyright © 2012 Peter Harris + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice (including the next +paragraph) shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. + diff --git a/vendor/github.com/peterh/liner/README.md b/vendor/github.com/peterh/liner/README.md new file mode 100644 index 00000000..615e7645 --- /dev/null +++ b/vendor/github.com/peterh/liner/README.md @@ -0,0 +1,99 @@ +Liner +===== + +Liner is a command line editor with history. It was inspired by linenoise; +everything Unix-like is a VT100 (or is trying very hard to be). If your +terminal is not pretending to be a VT100, change it. Liner also support +Windows. + +Liner is released under the X11 license (which is similar to the new BSD +license). + +Line Editing +------------ + +The following line editing commands are supported on platforms and terminals +that Liner supports: + +Keystroke | Action +--------- | ------ +Ctrl-A, Home | Move cursor to beginning of line +Ctrl-E, End | Move cursor to end of line +Ctrl-B, Left | Move cursor one character left +Ctrl-F, Right| Move cursor one character right +Ctrl-Left, Alt-B | Move cursor to previous word +Ctrl-Right, Alt-F | Move cursor to next word +Ctrl-D, Del | (if line is *not* empty) Delete character under cursor +Ctrl-D | (if line *is* empty) End of File - usually quits application +Ctrl-C | Reset input (create new empty prompt) +Ctrl-L | Clear screen (line is unmodified) +Ctrl-T | Transpose previous character with current character +Ctrl-H, BackSpace | Delete character before cursor +Ctrl-W | Delete word leading up to cursor +Ctrl-K | Delete from cursor to end of line +Ctrl-U | Delete from start of line to cursor +Ctrl-P, Up | Previous match from history +Ctrl-N, Down | Next match from history +Ctrl-R | Reverse Search history (Ctrl-S forward, Ctrl-G cancel) +Ctrl-Y | Paste from Yank buffer (Alt-Y to paste next yank instead) +Tab | Next completion +Shift-Tab | (after Tab) Previous completion + +Getting started +----------------- + +```go +package main + +import ( + "log" + "os" + "strings" + + "github.com/peterh/liner" +) + +var ( + history_fn = "/tmp/.liner_history" + names = []string{"john", "james", "mary", "nancy"} +) + +func main() { + line := liner.NewLiner() + defer line.Close() + + line.SetCtrlCAborts(true) + + line.SetCompleter(func(line string) (c []string) { + for _, n := range names { + if strings.HasPrefix(n, strings.ToLower(line)) { + c = append(c, n) + } + } + return + }) + + if f, err := os.Open(history_fn); err == nil { + line.ReadHistory(f) + f.Close() + } + + if name, err := line.Prompt("What is your name? "); err == nil { + log.Print("Got: ", name) + line.AppendHistory(name) + } else if err == liner.ErrPromptAborted { + log.Print("Aborted") + } else { + log.Print("Error reading line: ", err) + } + + if f, err := os.Create(history_fn); err != nil { + log.Print("Error writing history file: ", err) + } else { + line.WriteHistory(f) + f.Close() + } +} +``` + +For documentation, see http://godoc.org/github.com/peterh/liner diff --git a/vendor/github.com/peterh/liner/bsdinput.go b/vendor/github.com/peterh/liner/bsdinput.go new file mode 100644 index 00000000..4b552d44 --- /dev/null +++ b/vendor/github.com/peterh/liner/bsdinput.go @@ -0,0 +1,39 @@ +// +build openbsd freebsd netbsd + +package liner + +import "syscall" + +const ( + getTermios = syscall.TIOCGETA + setTermios = syscall.TIOCSETA +) + +const ( + // Input flags + inpck = 0x010 + istrip = 0x020 + icrnl = 0x100 + ixon = 0x200 + + // Output flags + opost = 0x1 + + // Control flags + cs8 = 0x300 + + // Local flags + isig = 0x080 + icanon = 0x100 + iexten = 0x400 +) + +type termios struct { + Iflag uint32 + Oflag uint32 + Cflag uint32 + Lflag uint32 + Cc [20]byte + Ispeed int32 + Ospeed int32 +} diff --git a/vendor/github.com/peterh/liner/common.go b/vendor/github.com/peterh/liner/common.go new file mode 100644 index 00000000..9424abe5 --- /dev/null +++ b/vendor/github.com/peterh/liner/common.go @@ -0,0 +1,219 @@ +/* +Package liner implements a simple command line editor, inspired by linenoise +(https://github.com/antirez/linenoise/). This package supports WIN32 in +addition to the xterm codes supported by everything else. +*/ +package liner + +import ( + "bufio" + "bytes" + "container/ring" + "errors" + "fmt" + "io" + "strings" + "sync" + "unicode/utf8" +) + +type commonState struct { + terminalSupported bool + outputRedirected bool + inputRedirected bool + history []string + historyMutex sync.RWMutex + completer WordCompleter + columns int + killRing *ring.Ring + ctrlCAborts bool + r *bufio.Reader + tabStyle TabStyle +} + +// TabStyle is used to select how tab completions are displayed. +type TabStyle int + +// Two tab styles are currently available: +// +// TabCircular cycles through each completion item and displays it directly on +// the prompt +// +// TabPrints prints the list of completion items to the screen after a second +// tab key is pressed. This behaves similar to GNU readline and BASH (which +// uses readline) +const ( + TabCircular TabStyle = iota + TabPrints +) + +// ErrPromptAborted is returned from Prompt or PasswordPrompt when the user presses Ctrl-C +// if SetCtrlCAborts(true) has been called on the State +var ErrPromptAborted = errors.New("prompt aborted") + +// ErrNotTerminalOutput is returned from Prompt or PasswordPrompt if the +// platform is normally supported, but stdout has been redirected +var ErrNotTerminalOutput = errors.New("standard output is not a terminal") + +// Max elements to save on the killring +const KillRingMax = 60 + +// HistoryLimit is the maximum number of entries saved in the scrollback history. +const HistoryLimit = 1000 + +// ReadHistory reads scrollback history from r. Returns the number of lines +// read, and any read error (except io.EOF). +func (s *State) ReadHistory(r io.Reader) (num int, err error) { + s.historyMutex.Lock() + defer s.historyMutex.Unlock() + + in := bufio.NewReader(r) + num = 0 + for { + line, part, err := in.ReadLine() + if err == io.EOF { + break + } + if err != nil { + return num, err + } + if part { + return num, fmt.Errorf("line %d is too long", num+1) + } + if !utf8.Valid(line) { + return num, fmt.Errorf("invalid string at line %d", num+1) + } + num++ + s.history = append(s.history, string(line)) + if len(s.history) > HistoryLimit { + s.history = s.history[1:] + } + } + return num, nil +} + +// WriteHistory writes scrollback history to w. Returns the number of lines +// successfully written, and any write error. +// +// Unlike the rest of liner's API, WriteHistory is safe to call +// from another goroutine while Prompt is in progress. +// This exception is to facilitate the saving of the history buffer +// during an unexpected exit (for example, due to Ctrl-C being invoked) +func (s *State) WriteHistory(w io.Writer) (num int, err error) { + s.historyMutex.RLock() + defer s.historyMutex.RUnlock() + + for _, item := range s.history { + _, err := fmt.Fprintln(w, item) + if err != nil { + return num, err + } + num++ + } + return num, nil +} + +// AppendHistory appends an entry to the scrollback history. AppendHistory +// should be called iff Prompt returns a valid command. +func (s *State) AppendHistory(item string) { + s.historyMutex.Lock() + defer s.historyMutex.Unlock() + + if len(s.history) > 0 { + if item == s.history[len(s.history)-1] { + return + } + } + s.history = append(s.history, item) + if len(s.history) > HistoryLimit { + s.history = s.history[1:] + } +} + +// Returns the history lines starting with prefix +func (s *State) getHistoryByPrefix(prefix string) (ph []string) { + for _, h := range s.history { + if strings.HasPrefix(h, prefix) { + ph = append(ph, h) + } + } + return +} + +// Returns the history lines matching the inteligent search +func (s *State) getHistoryByPattern(pattern string) (ph []string, pos []int) { + if pattern == "" { + return + } + for _, h := range s.history { + if i := strings.Index(h, pattern); i >= 0 { + ph = append(ph, h) + pos = append(pos, i) + } + } + return +} + +// Completer takes the currently edited line content at the left of the cursor +// and returns a list of completion candidates. +// If the line is "Hello, wo!!!" and the cursor is before the first '!', "Hello, wo" is passed +// to the completer which may return {"Hello, world", "Hello, Word"} to have "Hello, world!!!". +type Completer func(line string) []string + +// WordCompleter takes the currently edited line with the cursor position and +// returns the completion candidates for the partial word to be completed. +// If the line is "Hello, wo!!!" and the cursor is before the first '!', ("Hello, wo!!!", 9) is passed +// to the completer which may returns ("Hello, ", {"world", "Word"}, "!!!") to have "Hello, world!!!". +type WordCompleter func(line string, pos int) (head string, completions []string, tail string) + +// SetCompleter sets the completion function that Liner will call to +// fetch completion candidates when the user presses tab. +func (s *State) SetCompleter(f Completer) { + if f == nil { + s.completer = nil + return + } + s.completer = func(line string, pos int) (string, []string, string) { + return "", f(line[:pos]), line[pos:] + } +} + +// SetWordCompleter sets the completion function that Liner will call to +// fetch completion candidates when the user presses tab. +func (s *State) SetWordCompleter(f WordCompleter) { + s.completer = f +} + +// SetTabCompletionStyle sets the behvavior when the Tab key is pressed +// for auto-completion. TabCircular is the default behavior and cycles +// through the list of candidates at the prompt. TabPrints will print +// the available completion candidates to the screen similar to BASH +// and GNU Readline +func (s *State) SetTabCompletionStyle(tabStyle TabStyle) { + s.tabStyle = tabStyle +} + +// ModeApplier is the interface that wraps a representation of the terminal +// mode. ApplyMode sets the terminal to this mode. +type ModeApplier interface { + ApplyMode() error +} + +// SetCtrlCAborts sets whether Prompt on a supported terminal will return an +// ErrPromptAborted when Ctrl-C is pressed. The default is false (will not +// return when Ctrl-C is pressed). Unsupported terminals typically raise SIGINT +// (and Prompt does not return) regardless of the value passed to SetCtrlCAborts. +func (s *State) SetCtrlCAborts(aborts bool) { + s.ctrlCAborts = aborts +} + +func (s *State) promptUnsupported(p string) (string, error) { + if !s.inputRedirected || !s.terminalSupported { + fmt.Print(p) + } + linebuf, _, err := s.r.ReadLine() + if err != nil { + return "", err + } + return string(bytes.TrimSpace(linebuf)), nil +} diff --git a/vendor/github.com/peterh/liner/fallbackinput.go b/vendor/github.com/peterh/liner/fallbackinput.go new file mode 100644 index 00000000..d9eb79d9 --- /dev/null +++ b/vendor/github.com/peterh/liner/fallbackinput.go @@ -0,0 +1,57 @@ +// +build !windows,!linux,!darwin,!openbsd,!freebsd,!netbsd + +package liner + +import ( + "bufio" + "errors" + "os" +) + +// State represents an open terminal +type State struct { + commonState +} + +// Prompt displays p, and then waits for user input. Prompt does not support +// line editing on this operating system. +func (s *State) Prompt(p string) (string, error) { + return s.promptUnsupported(p) +} + +// PasswordPrompt is not supported in this OS. +func (s *State) PasswordPrompt(p string) (string, error) { + return "", errors.New("liner: function not supported in this terminal") +} + +// NewLiner initializes a new *State +// +// Note that this operating system uses a fallback mode without line +// editing. Patches welcome. +func NewLiner() *State { + var s State + s.r = bufio.NewReader(os.Stdin) + return &s +} + +// Close returns the terminal to its previous mode +func (s *State) Close() error { + return nil +} + +// TerminalSupported returns false because line editing is not +// supported on this platform. +func TerminalSupported() bool { + return false +} + +type noopMode struct{} + +func (n noopMode) ApplyMode() error { + return nil +} + +// TerminalMode returns a noop InputModeSetter on this platform. +func TerminalMode() (ModeApplier, error) { + return noopMode{}, nil +} diff --git a/vendor/github.com/peterh/liner/input.go b/vendor/github.com/peterh/liner/input.go new file mode 100644 index 00000000..c80c85f6 --- /dev/null +++ b/vendor/github.com/peterh/liner/input.go @@ -0,0 +1,368 @@ +// +build linux darwin openbsd freebsd netbsd + +package liner + +import ( + "bufio" + "errors" + "os" + "os/signal" + "strconv" + "strings" + "syscall" + "time" +) + +type nexter struct { + r rune + err error +} + +// State represents an open terminal +type State struct { + commonState + origMode termios + defaultMode termios + next <-chan nexter + winch chan os.Signal + pending []rune + useCHA bool +} + +// NewLiner initializes a new *State, and sets the terminal into raw mode. To +// restore the terminal to its previous state, call State.Close(). +// +// Note if you are still using Go 1.0: NewLiner handles SIGWINCH, so it will +// leak a channel every time you call it. Therefore, it is recommened that you +// upgrade to a newer release of Go, or ensure that NewLiner is only called +// once. +func NewLiner() *State { + var s State + s.r = bufio.NewReader(os.Stdin) + + s.terminalSupported = TerminalSupported() + if m, err := TerminalMode(); err == nil { + s.origMode = *m.(*termios) + } else { + s.inputRedirected = true + } + if _, err := getMode(syscall.Stdout); err != 0 { + s.outputRedirected = true + } + if s.inputRedirected && s.outputRedirected { + s.terminalSupported = false + } + if s.terminalSupported && !s.inputRedirected && !s.outputRedirected { + mode := s.origMode + mode.Iflag &^= icrnl | inpck | istrip | ixon + mode.Cflag |= cs8 + mode.Lflag &^= syscall.ECHO | icanon | iexten + mode.ApplyMode() + + winch := make(chan os.Signal, 1) + signal.Notify(winch, syscall.SIGWINCH) + s.winch = winch + + s.checkOutput() + } + + if !s.outputRedirected { + s.getColumns() + s.outputRedirected = s.columns <= 0 + } + + return &s +} + +var errTimedOut = errors.New("timeout") + +func (s *State) startPrompt() { + if s.terminalSupported { + if m, err := TerminalMode(); err == nil { + s.defaultMode = *m.(*termios) + mode := s.defaultMode + mode.Lflag &^= isig + mode.ApplyMode() + } + } + s.restartPrompt() +} + +func (s *State) restartPrompt() { + next := make(chan nexter) + go func() { + for { + var n nexter + n.r, _, n.err = s.r.ReadRune() + next <- n + // Shut down nexter loop when an end condition has been reached + if n.err != nil || n.r == '\n' || n.r == '\r' || n.r == ctrlC || n.r == ctrlD { + close(next) + return + } + } + }() + s.next = next +} + +func (s *State) stopPrompt() { + if s.terminalSupported { + s.defaultMode.ApplyMode() + } +} + +func (s *State) nextPending(timeout <-chan time.Time) (rune, error) { + select { + case thing, ok := <-s.next: + if !ok { + return 0, errors.New("liner: internal error") + } + if thing.err != nil { + return 0, thing.err + } + s.pending = append(s.pending, thing.r) + return thing.r, nil + case <-timeout: + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, errTimedOut + } + // not reached + return 0, nil +} + +func (s *State) readNext() (interface{}, error) { + if len(s.pending) > 0 { + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + var r rune + select { + case thing, ok := <-s.next: + if !ok { + return 0, errors.New("liner: internal error") + } + if thing.err != nil { + return nil, thing.err + } + r = thing.r + case <-s.winch: + s.getColumns() + return winch, nil + } + if r != esc { + return r, nil + } + s.pending = append(s.pending, r) + + // Wait at most 50 ms for the rest of the escape sequence + // If nothing else arrives, it was an actual press of the esc key + timeout := time.After(50 * time.Millisecond) + flag, err := s.nextPending(timeout) + if err != nil { + if err == errTimedOut { + return flag, nil + } + return unknown, err + } + + switch flag { + case '[': + code, err := s.nextPending(timeout) + if err != nil { + if err == errTimedOut { + return code, nil + } + return unknown, err + } + switch code { + case 'A': + s.pending = s.pending[:0] // escape code complete + return up, nil + case 'B': + s.pending = s.pending[:0] // escape code complete + return down, nil + case 'C': + s.pending = s.pending[:0] // escape code complete + return right, nil + case 'D': + s.pending = s.pending[:0] // escape code complete + return left, nil + case 'F': + s.pending = s.pending[:0] // escape code complete + return end, nil + case 'H': + s.pending = s.pending[:0] // escape code complete + return home, nil + case 'Z': + s.pending = s.pending[:0] // escape code complete + return shiftTab, nil + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + num := []rune{code} + for { + code, err := s.nextPending(timeout) + if err != nil { + if err == errTimedOut { + return code, nil + } + return nil, err + } + switch code { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + num = append(num, code) + case ';': + // Modifier code to follow + // This only supports Ctrl-left and Ctrl-right for now + x, _ := strconv.ParseInt(string(num), 10, 32) + if x != 1 { + // Can't be left or right + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + num = num[:0] + for { + code, err = s.nextPending(timeout) + if err != nil { + if err == errTimedOut { + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + return nil, err + } + switch code { + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + num = append(num, code) + case 'C', 'D': + // right, left + mod, _ := strconv.ParseInt(string(num), 10, 32) + if mod != 5 { + // Not bare Ctrl + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + s.pending = s.pending[:0] // escape code complete + if code == 'C' { + return wordRight, nil + } + return wordLeft, nil + default: + // Not left or right + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + } + case '~': + s.pending = s.pending[:0] // escape code complete + x, _ := strconv.ParseInt(string(num), 10, 32) + switch x { + case 2: + return insert, nil + case 3: + return del, nil + case 5: + return pageUp, nil + case 6: + return pageDown, nil + case 7: + return home, nil + case 8: + return end, nil + case 15: + return f5, nil + case 17: + return f6, nil + case 18: + return f7, nil + case 19: + return f8, nil + case 20: + return f9, nil + case 21: + return f10, nil + case 23: + return f11, nil + case 24: + return f12, nil + default: + return unknown, nil + } + default: + // unrecognized escape code + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + } + } + + case 'O': + code, err := s.nextPending(timeout) + if err != nil { + if err == errTimedOut { + return code, nil + } + return nil, err + } + s.pending = s.pending[:0] // escape code complete + switch code { + case 'c': + return wordRight, nil + case 'd': + return wordLeft, nil + case 'H': + return home, nil + case 'F': + return end, nil + case 'P': + return f1, nil + case 'Q': + return f2, nil + case 'R': + return f3, nil + case 'S': + return f4, nil + default: + return unknown, nil + } + case 'b': + s.pending = s.pending[:0] // escape code complete + return altB, nil + case 'f': + s.pending = s.pending[:0] // escape code complete + return altF, nil + case 'y': + s.pending = s.pending[:0] // escape code complete + return altY, nil + default: + rv := s.pending[0] + s.pending = s.pending[1:] + return rv, nil + } + + // not reached + return r, nil +} + +// Close returns the terminal to its previous mode +func (s *State) Close() error { + stopSignal(s.winch) + if !s.inputRedirected { + s.origMode.ApplyMode() + } + return nil +} + +// TerminalSupported returns true if the current terminal supports +// line editing features, and false if liner will use the 'dumb' +// fallback for input. +// Note that TerminalSupported does not check all factors that may +// cause liner to not fully support the terminal (such as stdin redirection) +func TerminalSupported() bool { + bad := map[string]bool{"": true, "dumb": true, "cons25": true} + return !bad[strings.ToLower(os.Getenv("TERM"))] +} diff --git a/vendor/github.com/peterh/liner/input_darwin.go b/vendor/github.com/peterh/liner/input_darwin.go new file mode 100644 index 00000000..23c9c5da --- /dev/null +++ b/vendor/github.com/peterh/liner/input_darwin.go @@ -0,0 +1,39 @@ +// +build darwin + +package liner + +import "syscall" + +const ( + getTermios = syscall.TIOCGETA + setTermios = syscall.TIOCSETA +) + +const ( + // Input flags + inpck = 0x010 + istrip = 0x020 + icrnl = 0x100 + ixon = 0x200 + + // Output flags + opost = 0x1 + + // Control flags + cs8 = 0x300 + + // Local flags + isig = 0x080 + icanon = 0x100 + iexten = 0x400 +) + +type termios struct { + Iflag uintptr + Oflag uintptr + Cflag uintptr + Lflag uintptr + Cc [20]byte + Ispeed uintptr + Ospeed uintptr +} diff --git a/vendor/github.com/peterh/liner/input_linux.go b/vendor/github.com/peterh/liner/input_linux.go new file mode 100644 index 00000000..6ca87124 --- /dev/null +++ b/vendor/github.com/peterh/liner/input_linux.go @@ -0,0 +1,26 @@ +// +build linux + +package liner + +import "syscall" + +const ( + getTermios = syscall.TCGETS + setTermios = syscall.TCSETS +) + +const ( + icrnl = syscall.ICRNL + inpck = syscall.INPCK + istrip = syscall.ISTRIP + ixon = syscall.IXON + opost = syscall.OPOST + cs8 = syscall.CS8 + isig = syscall.ISIG + icanon = syscall.ICANON + iexten = syscall.IEXTEN +) + +type termios struct { + syscall.Termios +} diff --git a/vendor/github.com/peterh/liner/input_test.go b/vendor/github.com/peterh/liner/input_test.go new file mode 100644 index 00000000..e515a489 --- /dev/null +++ b/vendor/github.com/peterh/liner/input_test.go @@ -0,0 +1,61 @@ +// +build !windows + +package liner + +import ( + "bufio" + "bytes" + "testing" +) + +func (s *State) expectRune(t *testing.T, r rune) { + item, err := s.readNext() + if err != nil { + t.Fatalf("Expected rune '%c', got error %s\n", r, err) + } + if v, ok := item.(rune); !ok { + t.Fatalf("Expected rune '%c', got non-rune %v\n", r, v) + } else { + if v != r { + t.Fatalf("Expected rune '%c', got rune '%c'\n", r, v) + } + } +} + +func (s *State) expectAction(t *testing.T, a action) { + item, err := s.readNext() + if err != nil { + t.Fatalf("Expected Action %d, got error %s\n", a, err) + } + if v, ok := item.(action); !ok { + t.Fatalf("Expected Action %d, got non-Action %v\n", a, v) + } else { + if v != a { + t.Fatalf("Expected Action %d, got Action %d\n", a, v) + } + } +} + +func TestTypes(t *testing.T) { + input := []byte{'A', 27, 'B', 27, 91, 68, 27, '[', '1', ';', '5', 'D', 'e'} + var s State + s.r = bufio.NewReader(bytes.NewBuffer(input)) + + next := make(chan nexter) + go func() { + for { + var n nexter + n.r, _, n.err = s.r.ReadRune() + next <- n + } + }() + s.next = next + + s.expectRune(t, 'A') + s.expectRune(t, 27) + s.expectRune(t, 'B') + s.expectAction(t, left) + s.expectAction(t, wordLeft) + + s.expectRune(t, 'e') +} diff --git a/vendor/github.com/peterh/liner/input_windows.go b/vendor/github.com/peterh/liner/input_windows.go new file mode 100644 index 00000000..9dcc3115 --- /dev/null +++ b/vendor/github.com/peterh/liner/input_windows.go @@ -0,0 +1,321 @@ +package liner + +import ( + "bufio" + "os" + "syscall" + "unsafe" +) + +var ( + kernel32 = syscall.NewLazyDLL("kernel32.dll") + + procGetStdHandle = kernel32.NewProc("GetStdHandle") + procReadConsoleInput = kernel32.NewProc("ReadConsoleInputW") + procGetConsoleMode = kernel32.NewProc("GetConsoleMode") + procSetConsoleMode = kernel32.NewProc("SetConsoleMode") + procSetConsoleCursorPosition = kernel32.NewProc("SetConsoleCursorPosition") + procGetConsoleScreenBufferInfo = kernel32.NewProc("GetConsoleScreenBufferInfo") + procFillConsoleOutputCharacter = kernel32.NewProc("FillConsoleOutputCharacterW") +) + +// These names are from the Win32 api, so they use underscores (contrary to +// what golint suggests) +const ( + std_input_handle = uint32(-10 & 0xFFFFFFFF) + std_output_handle = uint32(-11 & 0xFFFFFFFF) + std_error_handle = uint32(-12 & 0xFFFFFFFF) + invalid_handle_value = ^uintptr(0) +) + +type inputMode uint32 + +// State represents an open terminal +type State struct { + commonState + handle syscall.Handle + hOut syscall.Handle + origMode inputMode + defaultMode inputMode + key interface{} + repeat uint16 +} + +const ( + enableEchoInput = 0x4 + enableInsertMode = 0x20 + enableLineInput = 0x2 + enableMouseInput = 0x10 + enableProcessedInput = 0x1 + enableQuickEditMode = 0x40 + enableWindowInput = 0x8 +) + +// NewLiner initializes a new *State, and sets the terminal into raw mode. To +// restore the terminal to its previous state, call State.Close(). +func NewLiner() *State { + var s State + hIn, _, _ := procGetStdHandle.Call(uintptr(std_input_handle)) + s.handle = syscall.Handle(hIn) + hOut, _, _ := procGetStdHandle.Call(uintptr(std_output_handle)) + s.hOut = syscall.Handle(hOut) + + s.terminalSupported = true + if m, err := TerminalMode(); err == nil { + s.origMode = m.(inputMode) + mode := s.origMode + mode &^= enableEchoInput + mode &^= enableInsertMode + mode &^= enableLineInput + mode &^= enableMouseInput + mode |= enableWindowInput + mode.ApplyMode() + } else { + s.inputRedirected = true + s.r = bufio.NewReader(os.Stdin) + } + + s.getColumns() + s.outputRedirected = s.columns <= 0 + + return &s +} + +// These names are from the Win32 api, so they use underscores (contrary to +// what golint suggests) +const ( + focus_event = 0x0010 + key_event = 0x0001 + menu_event = 0x0008 + mouse_event = 0x0002 + window_buffer_size_event = 0x0004 +) + +type input_record struct { + eventType uint16 + pad uint16 + blob [16]byte +} + +type key_event_record struct { + KeyDown int32 + RepeatCount uint16 + VirtualKeyCode uint16 + VirtualScanCode uint16 + Char int16 + ControlKeyState uint32 +} + +// These names are from the Win32 api, so they use underscores (contrary to +// what golint suggests) +const ( + vk_tab = 0x09 + vk_prior = 0x21 + vk_next = 0x22 + vk_end = 0x23 + vk_home = 0x24 + vk_left = 0x25 + vk_up = 0x26 + vk_right = 0x27 + vk_down = 0x28 + vk_insert = 0x2d + vk_delete = 0x2e + vk_f1 = 0x70 + vk_f2 = 0x71 + vk_f3 = 0x72 + vk_f4 = 0x73 + vk_f5 = 0x74 + vk_f6 = 0x75 + vk_f7 = 0x76 + vk_f8 = 0x77 + vk_f9 = 0x78 + vk_f10 = 0x79 + vk_f11 = 0x7a + vk_f12 = 0x7b + bKey = 0x42 + fKey = 0x46 + yKey = 0x59 +) + +const ( + shiftPressed = 0x0010 + leftAltPressed = 0x0002 + leftCtrlPressed = 0x0008 + rightAltPressed = 0x0001 + rightCtrlPressed = 0x0004 + + modKeys = shiftPressed | leftAltPressed | rightAltPressed | leftCtrlPressed | rightCtrlPressed +) + +func (s *State) readNext() (interface{}, error) { + if s.repeat > 0 { + s.repeat-- + return s.key, nil + } + + var input input_record + pbuf := uintptr(unsafe.Pointer(&input)) + var rv uint32 + prv := uintptr(unsafe.Pointer(&rv)) + + for { + ok, _, err := procReadConsoleInput.Call(uintptr(s.handle), pbuf, 1, prv) + + if ok == 0 { + return nil, err + } + + if input.eventType == window_buffer_size_event { + xy := (*coord)(unsafe.Pointer(&input.blob[0])) + s.columns = int(xy.x) + return winch, nil + } + if input.eventType != key_event { + continue + } + ke := (*key_event_record)(unsafe.Pointer(&input.blob[0])) + if ke.KeyDown == 0 { + continue + } + + if ke.VirtualKeyCode == vk_tab && ke.ControlKeyState&modKeys == shiftPressed { + s.key = shiftTab + } else if ke.VirtualKeyCode == bKey && (ke.ControlKeyState&modKeys == leftAltPressed || + ke.ControlKeyState&modKeys == rightAltPressed) { + s.key = altB + } else if ke.VirtualKeyCode == fKey && (ke.ControlKeyState&modKeys == leftAltPressed || + ke.ControlKeyState&modKeys == rightAltPressed) { + s.key = altF + } else if ke.VirtualKeyCode == yKey && (ke.ControlKeyState&modKeys == leftAltPressed || + ke.ControlKeyState&modKeys == rightAltPressed) { + s.key = altY + } else if ke.Char > 0 { + s.key = rune(ke.Char) + } else { + switch ke.VirtualKeyCode { + case vk_prior: + s.key = pageUp + case vk_next: + s.key = pageDown + case vk_end: + s.key = end + case vk_home: + s.key = home + case vk_left: + s.key = left + if ke.ControlKeyState&(leftCtrlPressed|rightCtrlPressed) != 0 { + if ke.ControlKeyState&modKeys == ke.ControlKeyState&(leftCtrlPressed|rightCtrlPressed) { + s.key = wordLeft + } + } + case vk_right: + s.key = right + if ke.ControlKeyState&(leftCtrlPressed|rightCtrlPressed) != 0 { + if ke.ControlKeyState&modKeys == ke.ControlKeyState&(leftCtrlPressed|rightCtrlPressed) { + s.key = wordRight + } + } + case vk_up: + s.key = up + case vk_down: + s.key = down + case vk_insert: + s.key = insert + case vk_delete: + s.key = del + case vk_f1: + s.key = f1 + case vk_f2: + s.key = f2 + case vk_f3: + s.key = f3 + case vk_f4: + s.key = f4 + case vk_f5: + s.key = f5 + case vk_f6: + s.key = f6 + case vk_f7: + s.key = f7 + case vk_f8: + s.key = f8 + case vk_f9: + s.key = f9 + case vk_f10: + s.key = f10 + case vk_f11: + s.key = f11 + case vk_f12: + s.key = f12 + default: + // Eat modifier keys + // TODO: return Action(Unknown) if the key isn't a + // modifier. + continue + } + } + + if ke.RepeatCount > 1 { + s.repeat = ke.RepeatCount - 1 + } + return s.key, nil + } + return unknown, nil +} + +// Close returns the terminal to its previous mode +func (s *State) Close() error { + s.origMode.ApplyMode() + return nil +} + +func (s *State) startPrompt() { + if m, err := TerminalMode(); err == nil { + s.defaultMode = m.(inputMode) + mode := s.defaultMode + mode &^= enableProcessedInput + mode.ApplyMode() + } +} + +func (s *State) restartPrompt() { +} + +func (s *State) stopPrompt() { + s.defaultMode.ApplyMode() +} + +// TerminalSupported returns true because line editing is always +// supported on Windows. +func TerminalSupported() bool { + return true +} + +func (mode inputMode) ApplyMode() error { + hIn, _, err := procGetStdHandle.Call(uintptr(std_input_handle)) + if hIn == invalid_handle_value || hIn == 0 { + return err + } + ok, _, err := procSetConsoleMode.Call(hIn, uintptr(mode)) + if ok != 0 { + err = nil + } + return err +} + +// TerminalMode returns the current terminal input mode as an InputModeSetter. +// +// This function is provided for convenience, and should +// not be necessary for most users of liner. +func TerminalMode() (ModeApplier, error) { + var mode inputMode + hIn, _, err := procGetStdHandle.Call(uintptr(std_input_handle)) + if hIn == invalid_handle_value || hIn == 0 { + return nil, err + } + ok, _, err := procGetConsoleMode.Call(hIn, uintptr(unsafe.Pointer(&mode))) + if ok != 0 { + err = nil + } + return mode, err +} diff --git a/vendor/github.com/peterh/liner/line.go b/vendor/github.com/peterh/liner/line.go new file mode 100644 index 00000000..98fa44d9 --- /dev/null +++ b/vendor/github.com/peterh/liner/line.go @@ -0,0 +1,884 @@ +// +build windows linux darwin openbsd freebsd netbsd + +package liner + +import ( + "container/ring" + "errors" + "fmt" + "io" + "strings" + "unicode" + "unicode/utf8" +) + +type action int + +const ( + left action = iota + right + up + down + home + end + insert + del + pageUp + pageDown + f1 + f2 + f3 + f4 + f5 + f6 + f7 + f8 + f9 + f10 + f11 + f12 + altB + altF + altY + shiftTab + wordLeft + wordRight + winch + unknown +) + +const ( + ctrlA = 1 + ctrlB = 2 + ctrlC = 3 + ctrlD = 4 + ctrlE = 5 + ctrlF = 6 + ctrlG = 7 + ctrlH = 8 + tab = 9 + lf = 10 + ctrlK = 11 + ctrlL = 12 + cr = 13 + ctrlN = 14 + ctrlO = 15 + ctrlP = 16 + ctrlQ = 17 + ctrlR = 18 + ctrlS = 19 + ctrlT = 20 + ctrlU = 21 + ctrlV = 22 + ctrlW = 23 + ctrlX = 24 + ctrlY = 25 + ctrlZ = 26 + esc = 27 + bs = 127 +) + +const ( + beep = "\a" +) + +type tabDirection int + +const ( + tabForward tabDirection = iota + tabReverse +) + +func (s *State) refresh(prompt []rune, buf []rune, pos int) error { + s.cursorPos(0) + _, err := fmt.Print(string(prompt)) + if err != nil { + return err + } + + pLen := countGlyphs(prompt) + bLen := countGlyphs(buf) + pos = countGlyphs(buf[:pos]) + if pLen+bLen < s.columns { + _, err = fmt.Print(string(buf)) + s.eraseLine() + s.cursorPos(pLen + pos) + } else { + // Find space available + space := s.columns - pLen + space-- // space for cursor + start := pos - space/2 + end := start + space + if end > bLen { + end = bLen + start = end - space + } + if start < 0 { + start = 0 + end = space + } + pos -= start + + // Leave space for markers + if start > 0 { + start++ + } + if end < bLen { + end-- + } + startRune := len(getPrefixGlyphs(buf, start)) + line := getPrefixGlyphs(buf[startRune:], end-start) + + // Output + if start > 0 { + fmt.Print("{") + } + fmt.Print(string(line)) + if end < bLen { + fmt.Print("}") + } + + // Set cursor position + s.eraseLine() + s.cursorPos(pLen + pos) + } + return err +} + +func longestCommonPrefix(strs []string) string { + if len(strs) == 0 { + return "" + } + longest := strs[0] + + for _, str := range strs[1:] { + for !strings.HasPrefix(str, longest) { + longest = longest[:len(longest)-1] + } + } + // Remove trailing partial runes + longest = strings.TrimRight(longest, "\uFFFD") + return longest +} + +func (s *State) circularTabs(items []string) func(tabDirection) (string, error) { + item := -1 + return func(direction tabDirection) (string, error) { + if direction == tabForward { + if item < len(items)-1 { + item++ + } else { + item = 0 + } + } else if direction == tabReverse { + if item > 0 { + item-- + } else { + item = len(items) - 1 + } + } + return items[item], nil + } +} + +func (s *State) printedTabs(items []string) func(tabDirection) (string, error) { + numTabs := 1 + prefix := longestCommonPrefix(items) + return func(direction tabDirection) (string, error) { + if len(items) == 1 { + return items[0], nil + } + + if numTabs == 2 { + if len(items) > 100 { + fmt.Printf("\nDisplay all %d possibilities? (y or n) ", len(items)) + for { + next, err := s.readNext() + if err != nil { + return prefix, err + } + + if key, ok := next.(rune); ok { + if unicode.ToLower(key) == 'n' { + return prefix, nil + } else if unicode.ToLower(key) == 'y' { + break + } + } + } + } + fmt.Println("") + maxWidth := 0 + for _, item := range items { + if len(item) >= maxWidth { + maxWidth = len(item) + 1 + } + } + + numColumns := s.columns / maxWidth + numRows := len(items) / numColumns + if len(items)%numColumns > 0 { + numRows++ + } + + if len(items) <= numColumns { + maxWidth = 0 + } + for i := 0; i < numRows; i++ { + for j := 0; j < numColumns*numRows; j += numRows { + if i+j < len(items) { + if maxWidth > 0 { + fmt.Printf("%-*s", maxWidth, items[i+j]) + } else { + fmt.Printf("%v ", items[i+j]) + } + } + } + fmt.Println("") + } + } else { + numTabs++ + } + return prefix, nil + } +} + +func (s *State) tabComplete(p []rune, line []rune, pos int) ([]rune, int, interface{}, error) { + if s.completer == nil { + return line, pos, rune(esc), nil + } + head, list, tail := s.completer(string(line), pos) + if len(list) <= 0 { + return line, pos, rune(esc), nil + } + hl := utf8.RuneCountInString(head) + if len(list) == 1 { + s.refresh(p, []rune(head+list[0]+tail), hl+utf8.RuneCountInString(list[0])) + return []rune(head + list[0] + tail), hl + utf8.RuneCountInString(list[0]), rune(esc), nil + } + + direction := tabForward + tabPrinter := s.circularTabs(list) + if s.tabStyle == TabPrints { + tabPrinter = s.printedTabs(list) + } + + for { + pick, err := tabPrinter(direction) + if err != nil { + return line, pos, rune(esc), err + } + s.refresh(p, []rune(head+pick+tail), hl+utf8.RuneCountInString(pick)) + + next, err := s.readNext() + if err != nil { + return line, pos, rune(esc), err + } + if key, ok := next.(rune); ok { + if key == tab { + direction = tabForward + continue + } + if key == esc { + return line, pos, rune(esc), nil + } + } + if a, ok := next.(action); ok && a == shiftTab { + direction = tabReverse + continue + } + return []rune(head + pick + tail), hl + utf8.RuneCountInString(pick), next, nil + } + // Not reached + return line, pos, rune(esc), nil +} + +// reverse intelligent search, implements a bash-like history search. +func (s *State) reverseISearch(origLine []rune, origPos int) ([]rune, int, interface{}, error) { + p := "(reverse-i-search)`': " + s.refresh([]rune(p), origLine, origPos) + + line := []rune{} + pos := 0 + foundLine := string(origLine) + foundPos := origPos + + getLine := func() ([]rune, []rune, int) { + search := string(line) + prompt := "(reverse-i-search)`%s': " + return []rune(fmt.Sprintf(prompt, search)), []rune(foundLine), foundPos + } + + history, positions := s.getHistoryByPattern(string(line)) + historyPos := len(history) - 1 + + for { + next, err := s.readNext() + if err != nil { + return []rune(foundLine), foundPos, rune(esc), err + } + + switch v := next.(type) { + case rune: + switch v { + case ctrlR: // Search backwards + if historyPos > 0 && historyPos < len(history) { + historyPos-- + foundLine = history[historyPos] + foundPos = positions[historyPos] + } else { + fmt.Print(beep) + } + case ctrlS: // Search forward + if historyPos < len(history)-1 && historyPos >= 0 { + historyPos++ + foundLine = history[historyPos] + foundPos = positions[historyPos] + } else { + fmt.Print(beep) + } + case ctrlH, bs: // Backspace + if pos <= 0 { + fmt.Print(beep) + } else { + n := len(getSuffixGlyphs(line[:pos], 1)) + line = append(line[:pos-n], line[pos:]...) + pos -= n + + // For each char deleted, display the last matching line of history + history, positions := s.getHistoryByPattern(string(line)) + historyPos = len(history) - 1 + if len(history) > 0 { + foundLine = history[historyPos] + foundPos = positions[historyPos] + } else { + foundLine = "" + foundPos = 0 + } + } + case ctrlG: // Cancel + return origLine, origPos, rune(esc), err + + case tab, cr, lf, ctrlA, ctrlB, ctrlD, ctrlE, ctrlF, ctrlK, + ctrlL, ctrlN, ctrlO, ctrlP, ctrlQ, ctrlT, ctrlU, ctrlV, ctrlW, ctrlX, ctrlY, ctrlZ: + fallthrough + case 0, ctrlC, esc, 28, 29, 30, 31: + return []rune(foundLine), foundPos, next, err + default: + line = append(line[:pos], append([]rune{v}, line[pos:]...)...) + pos++ + + // For each keystroke typed, display the last matching line of history + history, positions = s.getHistoryByPattern(string(line)) + historyPos = len(history) - 1 + if len(history) > 0 { + foundLine = history[historyPos] + foundPos = positions[historyPos] + } else { + foundLine = "" + foundPos = 0 + } + } + case action: + return []rune(foundLine), foundPos, next, err + } + s.refresh(getLine()) + } +} + +// addToKillRing adds some text to the kill ring. If mode is 0 it adds it to a +// new node in the end of the kill ring, and move the current pointer to the new +// node. If mode is 1 or 2 it appends or prepends the text to the current entry +// of the killRing. +func (s *State) addToKillRing(text []rune, mode int) { + // Don't use the same underlying array as text + killLine := make([]rune, len(text)) + copy(killLine, text) + + // Point killRing to a newNode, procedure depends on the killring state and + // append mode. + if mode == 0 { // Add new node to killRing + if s.killRing == nil { // if killring is empty, create a new one + s.killRing = ring.New(1) + } else if s.killRing.Len() >= KillRingMax { // if killring is "full" + s.killRing = s.killRing.Next() + } else { // Normal case + s.killRing.Link(ring.New(1)) + s.killRing = s.killRing.Next() + } + } else { + if s.killRing == nil { // if killring is empty, create a new one + s.killRing = ring.New(1) + s.killRing.Value = []rune{} + } + if mode == 1 { // Append to last entry + killLine = append(s.killRing.Value.([]rune), killLine...) + } else if mode == 2 { // Prepend to last entry + killLine = append(killLine, s.killRing.Value.([]rune)...) + } + } + + // Save text in the current killring node + s.killRing.Value = killLine +} + +func (s *State) yank(p []rune, text []rune, pos int) ([]rune, int, interface{}, error) { + if s.killRing == nil { + return text, pos, rune(esc), nil + } + + lineStart := text[:pos] + lineEnd := text[pos:] + var line []rune + + for { + value := s.killRing.Value.([]rune) + line = make([]rune, 0) + line = append(line, lineStart...) + line = append(line, value...) + line = append(line, lineEnd...) + + pos = len(lineStart) + len(value) + s.refresh(p, line, pos) + + next, err := s.readNext() + if err != nil { + return line, pos, next, err + } + + switch v := next.(type) { + case rune: + return line, pos, next, nil + case action: + switch v { + case altY: + s.killRing = s.killRing.Prev() + default: + return line, pos, next, nil + } + } + } + + return line, pos, esc, nil +} + +// Prompt displays p and returns a line of user input, not including a trailing +// newline character. An io.EOF error is returned if the user signals end-of-file +// by pressing Ctrl-D. Prompt allows line editing if the terminal supports it. +func (s *State) Prompt(prompt string) (string, error) { + if s.inputRedirected || !s.terminalSupported { + return s.promptUnsupported(prompt) + } + if s.outputRedirected { + return "", ErrNotTerminalOutput + } + + s.historyMutex.RLock() + defer s.historyMutex.RUnlock() + + s.startPrompt() + defer s.stopPrompt() + s.getColumns() + + fmt.Print(prompt) + p := []rune(prompt) + var line []rune + pos := 0 + historyEnd := "" + prefixHistory := s.getHistoryByPrefix(string(line)) + historyPos := len(prefixHistory) + historyAction := false // used to mark history related actions + killAction := 0 // used to mark kill related actions +mainLoop: + for { + next, err := s.readNext() + haveNext: + if err != nil { + return "", err + } + + historyAction = false + switch v := next.(type) { + case rune: + switch v { + case cr, lf: + fmt.Println() + break mainLoop + case ctrlA: // Start of line + pos = 0 + s.refresh(p, line, pos) + case ctrlE: // End of line + pos = len(line) + s.refresh(p, line, pos) + case ctrlB: // left + if pos > 0 { + pos -= len(getSuffixGlyphs(line[:pos], 1)) + s.refresh(p, line, pos) + } else { + fmt.Print(beep) + } + case ctrlF: // right + if pos < len(line) { + pos += len(getPrefixGlyphs(line[pos:], 1)) + s.refresh(p, line, pos) + } else { + fmt.Print(beep) + } + case ctrlD: // del + if pos == 0 && len(line) == 0 { + // exit + return "", io.EOF + } + + // ctrlD is a potential EOF, so the rune reader shuts down. + // Therefore, if it isn't actually an EOF, we must re-startPrompt. + s.restartPrompt() + + if pos >= len(line) { + fmt.Print(beep) + } else { + n := len(getPrefixGlyphs(line[pos:], 1)) + line = append(line[:pos], line[pos+n:]...) + s.refresh(p, line, pos) + } + case ctrlK: // delete remainder of line + if pos >= len(line) { + fmt.Print(beep) + } else { + if killAction > 0 { + s.addToKillRing(line[pos:], 1) // Add in apend mode + } else { + s.addToKillRing(line[pos:], 0) // Add in normal mode + } + + killAction = 2 // Mark that there was a kill action + line = line[:pos] + s.refresh(p, line, pos) + } + case ctrlP: // up + historyAction = true + if historyPos > 0 { + if historyPos == len(prefixHistory) { + historyEnd = string(line) + } + historyPos-- + line = []rune(prefixHistory[historyPos]) + pos = len(line) + s.refresh(p, line, pos) + } else { + fmt.Print(beep) + } + case ctrlN: // down + historyAction = true + if historyPos < len(prefixHistory) { + historyPos++ + if historyPos == len(prefixHistory) { + line = []rune(historyEnd) + } else { + line = []rune(prefixHistory[historyPos]) + } + pos = len(line) + s.refresh(p, line, pos) + } else { + fmt.Print(beep) + } + case ctrlT: // transpose prev glyph with glyph under cursor + if len(line) < 2 || pos < 1 { + fmt.Print(beep) + } else { + if pos == len(line) { + pos -= len(getSuffixGlyphs(line, 1)) + } + prev := getSuffixGlyphs(line[:pos], 1) + next := getPrefixGlyphs(line[pos:], 1) + scratch := make([]rune, len(prev)) + copy(scratch, prev) + copy(line[pos-len(prev):], next) + copy(line[pos-len(prev)+len(next):], scratch) + pos += len(next) + s.refresh(p, line, pos) + } + case ctrlL: // clear screen + s.eraseScreen() + s.refresh(p, line, pos) + case ctrlC: // reset + fmt.Println("^C") + if s.ctrlCAborts { + return "", ErrPromptAborted + } + line = line[:0] + pos = 0 + fmt.Print(prompt) + s.restartPrompt() + case ctrlH, bs: // Backspace + if pos <= 0 { + fmt.Print(beep) + } else { + n := len(getSuffixGlyphs(line[:pos], 1)) + line = append(line[:pos-n], line[pos:]...) + pos -= n + s.refresh(p, line, pos) + } + case ctrlU: // Erase line before cursor + if killAction > 0 { + s.addToKillRing(line[:pos], 2) // Add in prepend mode + } else { + s.addToKillRing(line[:pos], 0) // Add in normal mode + } + + killAction = 2 // Mark that there was some killing + line = line[pos:] + pos = 0 + s.refresh(p, line, pos) + case ctrlW: // Erase word + if pos == 0 { + fmt.Print(beep) + break + } + // Remove whitespace to the left + var buf []rune // Store the deleted chars in a buffer + for { + if pos == 0 || !unicode.IsSpace(line[pos-1]) { + break + } + buf = append(buf, line[pos-1]) + line = append(line[:pos-1], line[pos:]...) + pos-- + } + // Remove non-whitespace to the left + for { + if pos == 0 || unicode.IsSpace(line[pos-1]) { + break + } + buf = append(buf, line[pos-1]) + line = append(line[:pos-1], line[pos:]...) + pos-- + } + // Invert the buffer and save the result on the killRing + var newBuf []rune + for i := len(buf) - 1; i >= 0; i-- { + newBuf = append(newBuf, buf[i]) + } + if killAction > 0 { + s.addToKillRing(newBuf, 2) // Add in prepend mode + } else { + s.addToKillRing(newBuf, 0) // Add in normal mode + } + killAction = 2 // Mark that there was some killing + + s.refresh(p, line, pos) + case ctrlY: // Paste from Yank buffer + line, pos, next, err = s.yank(p, line, pos) + goto haveNext + case ctrlR: // Reverse Search + line, pos, next, err = s.reverseISearch(line, pos) + s.refresh(p, line, pos) + goto haveNext + case tab: // Tab completion + line, pos, next, err = s.tabComplete(p, line, pos) + goto haveNext + // Catch keys that do nothing, but you don't want them to beep + case esc: + // DO NOTHING + // Unused keys + case ctrlG, ctrlO, ctrlQ, ctrlS, ctrlV, ctrlX, ctrlZ: + fallthrough + // Catch unhandled control codes (anything <= 31) + case 0, 28, 29, 30, 31: + fmt.Print(beep) + default: + if pos == len(line) && len(p)+len(line) < s.columns-1 { + line = append(line, v) + fmt.Printf("%c", v) + pos++ + } else { + line = append(line[:pos], append([]rune{v}, line[pos:]...)...) + pos++ + s.refresh(p, line, pos) + } + } + case action: + switch v { + case del: + if pos >= len(line) { + fmt.Print(beep) + } else { + n := len(getPrefixGlyphs(line[pos:], 1)) + line = append(line[:pos], line[pos+n:]...) + } + case left: + if pos > 0 { + pos -= len(getSuffixGlyphs(line[:pos], 1)) + } else { + fmt.Print(beep) + } + case wordLeft, altB: + if pos > 0 { + var spaceHere, spaceLeft, leftKnown bool + for { + pos-- + if pos == 0 { + break + } + if leftKnown { + spaceHere = spaceLeft + } else { + spaceHere = unicode.IsSpace(line[pos]) + } + spaceLeft, leftKnown = unicode.IsSpace(line[pos-1]), true + if !spaceHere && spaceLeft { + break + } + } + } else { + fmt.Print(beep) + } + case right: + if pos < len(line) { + pos += len(getPrefixGlyphs(line[pos:], 1)) + } else { + fmt.Print(beep) + } + case wordRight, altF: + if pos < len(line) { + var spaceHere, spaceLeft, hereKnown bool + for { + pos++ + if pos == len(line) { + break + } + if hereKnown { + spaceLeft = spaceHere + } else { + spaceLeft = unicode.IsSpace(line[pos-1]) + } + spaceHere, hereKnown = unicode.IsSpace(line[pos]), true + if spaceHere && !spaceLeft { + break + } + } + } else { + fmt.Print(beep) + } + case up: + historyAction = true + if historyPos > 0 { + if historyPos == len(prefixHistory) { + historyEnd = string(line) + } + historyPos-- + line = []rune(prefixHistory[historyPos]) + pos = len(line) + } else { + fmt.Print(beep) + } + case down: + historyAction = true + if historyPos < len(prefixHistory) { + historyPos++ + if historyPos == len(prefixHistory) { + line = []rune(historyEnd) + } else { + line = []rune(prefixHistory[historyPos]) + } + pos = len(line) + } else { + fmt.Print(beep) + } + case home: // Start of line + pos = 0 + case end: // End of line + pos = len(line) + } + s.refresh(p, line, pos) + } + if !historyAction { + prefixHistory = s.getHistoryByPrefix(string(line)) + historyPos = len(prefixHistory) + } + if killAction > 0 { + killAction-- + } + } + return string(line), nil +} + +// PasswordPrompt displays p, and then waits for user input. The input typed by +// the user is not displayed in the terminal. +func (s *State) PasswordPrompt(prompt string) (string, error) { + if !s.terminalSupported { + return "", errors.New("liner: function not supported in this terminal") + } + if s.inputRedirected { + return s.promptUnsupported(prompt) + } + if s.outputRedirected { + return "", ErrNotTerminalOutput + } + + s.startPrompt() + defer s.stopPrompt() + s.getColumns() + + fmt.Print(prompt) + p := []rune(prompt) + var line []rune + pos := 0 + +mainLoop: + for { + next, err := s.readNext() + if err != nil { + return "", err + } + + switch v := next.(type) { + case rune: + switch v { + case cr, lf: + fmt.Println() + break mainLoop + case ctrlD: // del + if pos == 0 && len(line) == 0 { + // exit + return "", io.EOF + } + + // ctrlD is a potential EOF, so the rune reader shuts down. + // Therefore, if it isn't actually an EOF, we must re-startPrompt. + s.restartPrompt() + case ctrlL: // clear screen + s.eraseScreen() + s.refresh(p, []rune{}, 0) + case ctrlH, bs: // Backspace + if pos <= 0 { + fmt.Print(beep) + } else { + n := len(getSuffixGlyphs(line[:pos], 1)) + line = append(line[:pos-n], line[pos:]...) + pos -= n + } + case ctrlC: + fmt.Println("^C") + if s.ctrlCAborts { + return "", ErrPromptAborted + } + line = line[:0] + pos = 0 + fmt.Print(prompt) + s.restartPrompt() + // Unused keys + case esc, tab, ctrlA, ctrlB, ctrlE, ctrlF, ctrlG, ctrlK, ctrlN, ctrlO, ctrlP, ctrlQ, ctrlR, ctrlS, + ctrlT, ctrlU, ctrlV, ctrlW, ctrlX, ctrlY, ctrlZ: + fallthrough + // Catch unhandled control codes (anything <= 31) + case 0, 28, 29, 30, 31: + fmt.Print(beep) + default: + line = append(line[:pos], append([]rune{v}, line[pos:]...)...) + pos++ + } + } + } + return string(line), nil +} diff --git a/vendor/github.com/peterh/liner/line_test.go b/vendor/github.com/peterh/liner/line_test.go new file mode 100644 index 00000000..727da6ce --- /dev/null +++ b/vendor/github.com/peterh/liner/line_test.go @@ -0,0 +1,90 @@ +package liner + +import ( + "bytes" + "strings" + "testing" +) + +func TestAppend(t *testing.T) { + var s State + s.AppendHistory("foo") + s.AppendHistory("bar") + + var out bytes.Buffer + num, err := s.WriteHistory(&out) + if err != nil { + t.Fatal("Unexpected error writing history", err) + } + if num != 2 { + t.Fatalf("Expected 2 history entries, got %d", num) + } + + s.AppendHistory("baz") + num, err = s.WriteHistory(&out) + if err != nil { + t.Fatal("Unexpected error writing history", err) + } + if num != 3 { + t.Fatalf("Expected 3 history entries, got %d", num) + } + + s.AppendHistory("baz") + num, err = s.WriteHistory(&out) + if err != nil { + t.Fatal("Unexpected error writing history", err) + } + if num != 3 { + t.Fatalf("Expected 3 history entries after duplicate append, got %d", num) + } + + s.AppendHistory("baz") + +} + +func TestHistory(t *testing.T) { + input := `foo +bar +baz +quux +dingle` + + var s State + num, err := s.ReadHistory(strings.NewReader(input)) + if err != nil { + t.Fatal("Unexpected error reading history", err) + } + if num != 5 { + t.Fatal("Wrong number of history entries read") + } + + var out bytes.Buffer + num, err = s.WriteHistory(&out) + if err != nil { + t.Fatal("Unexpected error writing history", err) + } + if num != 5 { + t.Fatal("Wrong number of history entries written") + } + if strings.TrimSpace(out.String()) != input { + t.Fatal("Round-trip failure") + } + + // Test reading with a trailing newline present + var s2 State + num, err = s2.ReadHistory(&out) + if err != nil { + t.Fatal("Unexpected error reading history the 2nd time", err) + } + if num != 5 { + t.Fatal("Wrong number of history entries read the 2nd time") + } + + num, err = s.ReadHistory(strings.NewReader(input + "\n\xff")) + if err == nil { + t.Fatal("Unexpected success reading corrupted history", err) + } + if num != 5 { + t.Fatal("Wrong number of history entries read the 3rd time") + } +} diff --git a/vendor/github.com/peterh/liner/output.go b/vendor/github.com/peterh/liner/output.go new file mode 100644 index 00000000..e91f4ea8 --- /dev/null +++ b/vendor/github.com/peterh/liner/output.go @@ -0,0 +1,63 @@ +// +build linux darwin openbsd freebsd netbsd + +package liner + +import ( + "fmt" + "os" + "strings" + "syscall" + "unsafe" +) + +func (s *State) cursorPos(x int) { + if s.useCHA { + // 'G' is "Cursor Character Absolute (CHA)" + fmt.Printf("\x1b[%dG", x+1) + } else { + // 'C' is "Cursor Forward (CUF)" + fmt.Print("\r") + if x > 0 { + fmt.Printf("\x1b[%dC", x) + } + } +} + +func (s *State) eraseLine() { + fmt.Print("\x1b[0K") +} + +func (s *State) eraseScreen() { + fmt.Print("\x1b[H\x1b[2J") +} + +type winSize struct { + row, col uint16 + xpixel, ypixel uint16 +} + +func (s *State) getColumns() { + var ws winSize + ok, _, _ := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdout), + syscall.TIOCGWINSZ, uintptr(unsafe.Pointer(&ws))) + if ok < 0 { + s.columns = 80 + } + s.columns = int(ws.col) +} + +func (s *State) checkOutput() { + // xterm is known to support CHA + if strings.Contains(strings.ToLower(os.Getenv("TERM")), "xterm") { + s.useCHA = true + return + } + + // The test for functional ANSI CHA is unreliable (eg the Windows + // telnet command does not support reading the cursor position with + // an ANSI DSR request, despite setting TERM=ansi) + + // Assume CHA isn't supported (which should be safe, although it + // does result in occasional visible cursor jitter) + s.useCHA = false +} diff --git a/vendor/github.com/peterh/liner/output_windows.go b/vendor/github.com/peterh/liner/output_windows.go new file mode 100644 index 00000000..27ae55a1 --- /dev/null +++ b/vendor/github.com/peterh/liner/output_windows.go @@ -0,0 +1,54 @@ +package liner + +import ( + "unsafe" +) + +type coord struct { + x, y int16 +} +type smallRect struct { + left, top, right, bottom int16 +} + +type consoleScreenBufferInfo struct { + dwSize coord + dwCursorPosition coord + wAttributes int16 + srWindow smallRect + dwMaximumWindowSize coord +} + +func (s *State) cursorPos(x int) { + var sbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi))) + procSetConsoleCursorPosition.Call(uintptr(s.hOut), + uintptr(int(x)&0xFFFF|int(sbi.dwCursorPosition.y)<<16)) +} + +func (s *State) eraseLine() { + var sbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi))) + var numWritten uint32 + procFillConsoleOutputCharacter.Call(uintptr(s.hOut), uintptr(' '), + uintptr(sbi.dwSize.x-sbi.dwCursorPosition.x), + uintptr(int(sbi.dwCursorPosition.x)&0xFFFF|int(sbi.dwCursorPosition.y)<<16), + uintptr(unsafe.Pointer(&numWritten))) +} + +func (s *State) eraseScreen() { + var sbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi))) + var numWritten uint32 + procFillConsoleOutputCharacter.Call(uintptr(s.hOut), uintptr(' '), + uintptr(sbi.dwSize.x)*uintptr(sbi.dwSize.y), + 0, + uintptr(unsafe.Pointer(&numWritten))) + procSetConsoleCursorPosition.Call(uintptr(s.hOut), 0) +} + +func (s *State) getColumns() { + var sbi consoleScreenBufferInfo + procGetConsoleScreenBufferInfo.Call(uintptr(s.hOut), uintptr(unsafe.Pointer(&sbi))) + s.columns = int(sbi.dwSize.x) +} diff --git a/vendor/github.com/peterh/liner/prefix_test.go b/vendor/github.com/peterh/liner/prefix_test.go new file mode 100644 index 00000000..c826d6c3 --- /dev/null +++ b/vendor/github.com/peterh/liner/prefix_test.go @@ -0,0 +1,37 @@ +// +build windows linux darwin openbsd freebsd netbsd + +package liner + +import "testing" + +type testItem struct { + list []string + prefix string +} + +func TestPrefix(t *testing.T) { + list := []testItem{ + {[]string{"food", "foot"}, "foo"}, + {[]string{"foo", "foot"}, "foo"}, + {[]string{"food", "foo"}, "foo"}, + {[]string{"food", "foe", "foot"}, "fo"}, + {[]string{"food", "foot", "barbeque"}, ""}, + {[]string{"cafeteria", "café"}, "caf"}, + {[]string{"cafe", "café"}, "caf"}, + {[]string{"cafè", "café"}, "caf"}, + {[]string{"cafés", "café"}, "café"}, + {[]string{"áéíóú", "áéíóú"}, "áéíóú"}, + {[]string{"éclairs", "éclairs"}, "éclairs"}, + {[]string{"éclairs are the best", "éclairs are great", "éclairs"}, "éclairs"}, + {[]string{"éclair", "éclairs"}, "éclair"}, + {[]string{"éclairs", "éclair"}, "éclair"}, + {[]string{"éclair", "élan"}, "é"}, + } + + for _, test := range list { + lcp := longestCommonPrefix(test.list) + if lcp != test.prefix { + t.Errorf("%s != %s for %+v", lcp, test.prefix, test.list) + } + } +} diff --git a/vendor/github.com/peterh/liner/race_test.go b/vendor/github.com/peterh/liner/race_test.go new file mode 100644 index 00000000..e320849c --- /dev/null +++ b/vendor/github.com/peterh/liner/race_test.go @@ -0,0 +1,44 @@ +// +build race + +package liner + +import ( + "io/ioutil" + "os" + "sync" + "testing" +) + +func TestWriteHistory(t *testing.T) { + oldout := os.Stdout + defer func() { os.Stdout = oldout }() + oldin := os.Stdout + defer func() { os.Stdin = oldin }() + + newinr, newinw, err := os.Pipe() + if err != nil { + t.Fatal(err) + } + os.Stdin = newinr + newoutr, newoutw, err := os.Pipe() + if err != nil { + t.Fatal(err) + } + defer newoutr.Close() + os.Stdout = newoutw + + var wait sync.WaitGroup + wait.Add(1) + s := NewLiner() + go func() { + s.AppendHistory("foo") + s.AppendHistory("bar") + s.Prompt("") + wait.Done() + }() + + s.WriteHistory(ioutil.Discard) + + newinw.Close() + wait.Wait() +} diff --git a/vendor/github.com/peterh/liner/signal.go b/vendor/github.com/peterh/liner/signal.go new file mode 100644 index 00000000..0cba79e7 --- /dev/null +++ b/vendor/github.com/peterh/liner/signal.go @@ -0,0 +1,12 @@ +// +build go1.1,!windows + +package liner + +import ( + "os" + "os/signal" +) + +func stopSignal(c chan<- os.Signal) { + signal.Stop(c) +} diff --git a/vendor/github.com/peterh/liner/signal_legacy.go b/vendor/github.com/peterh/liner/signal_legacy.go new file mode 100644 index 00000000..fa3672da --- /dev/null +++ b/vendor/github.com/peterh/liner/signal_legacy.go @@ -0,0 +1,11 @@ +// +build !go1.1,!windows + +package liner + +import ( + "os" +) + +func stopSignal(c chan<- os.Signal) { + // signal.Stop does not exist before Go 1.1 +} diff --git a/vendor/github.com/peterh/liner/unixmode.go b/vendor/github.com/peterh/liner/unixmode.go new file mode 100644 index 00000000..9838923f --- /dev/null +++ b/vendor/github.com/peterh/liner/unixmode.go @@ -0,0 +1,37 @@ +// +build linux darwin freebsd openbsd netbsd + +package liner + +import ( + "syscall" + "unsafe" +) + +func (mode *termios) ApplyMode() error { + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(syscall.Stdin), setTermios, uintptr(unsafe.Pointer(mode))) + + if errno != 0 { + return errno + } + return nil +} + +// TerminalMode returns the current terminal input mode as an InputModeSetter. +// +// This function is provided for convenience, and should +// not be necessary for most users of liner. +func TerminalMode() (ModeApplier, error) { + mode, errno := getMode(syscall.Stdin) + + if errno != 0 { + return nil, errno + } + return mode, nil +} + +func getMode(handle int) (*termios, syscall.Errno) { + var mode termios + _, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(handle), getTermios, uintptr(unsafe.Pointer(&mode))) + + return &mode, errno +} diff --git a/vendor/github.com/peterh/liner/width.go b/vendor/github.com/peterh/liner/width.go new file mode 100644 index 00000000..5c6bf685 --- /dev/null +++ b/vendor/github.com/peterh/liner/width.go @@ -0,0 +1,60 @@ +package liner + +import "unicode" + +// These character classes are mostly zero width (when combined). +// A few might not be, depending on the user's font. Fixing this +// is non-trivial, given that some terminals don't support +// ANSI DSR/CPR +var zeroWidth = []*unicode.RangeTable{ + unicode.Mn, + unicode.Me, + unicode.Cc, + unicode.Cf, +} + +var doubleWidth = []*unicode.RangeTable{ + unicode.Han, + unicode.Hangul, + unicode.Hiragana, + unicode.Katakana, +} + +// countGlyphs considers zero-width characters to be zero glyphs wide, +// and members of Chinese, Japanese, and Korean scripts to be 2 glyphs wide. +func countGlyphs(s []rune) int { + n := 0 + for _, r := range s { + switch { + case unicode.IsOneOf(zeroWidth, r): + case unicode.IsOneOf(doubleWidth, r): + n += 2 + default: + n++ + } + } + return n +} + +func getPrefixGlyphs(s []rune, num int) []rune { + p := 0 + for n := 0; n < num && p < len(s); p++ { + if !unicode.IsOneOf(zeroWidth, s[p]) { + n++ + } + } + for p < len(s) && unicode.IsOneOf(zeroWidth, s[p]) { + p++ + } + return s[:p] +} + +func getSuffixGlyphs(s []rune, num int) []rune { + p := len(s) + for n := 0; n < num && p > 0; p-- { + if !unicode.IsOneOf(zeroWidth, s[p-1]) { + n++ + } + } + return s[p:] +} diff --git a/vendor/github.com/peterh/liner/width_test.go b/vendor/github.com/peterh/liner/width_test.go new file mode 100644 index 00000000..add779c8 --- /dev/null +++ b/vendor/github.com/peterh/liner/width_test.go @@ -0,0 +1,102 @@ +package liner + +import ( + "strconv" + "testing" +) + +func accent(in []rune) []rune { + var out []rune + for _, r := range in { + out = append(out, r) + out = append(out, '\u0301') + } + return out +} + +type testCase struct { + s []rune + glyphs int +} + +var testCases = []testCase{ + {[]rune("query"), 5}, + {[]rune("私"), 2}, + {[]rune("hello世界"), 9}, +} + +func TestCountGlyphs(t *testing.T) { + for _, testCase := range testCases { + count := countGlyphs(testCase.s) + if count != testCase.glyphs { + t.Errorf("ASCII count incorrect. %d != %d", count, testCase.glyphs) + } + count = countGlyphs(accent(testCase.s)) + if count != testCase.glyphs { + t.Errorf("Accent count incorrect. %d != %d", count, testCase.glyphs) + } + } +} + +func compare(a, b []rune, name string, t *testing.T) { + if len(a) != len(b) { + t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name) + return + } + for i := range a { + if a[i] != b[i] { + t.Errorf(`"%s" != "%s" in %s"`, string(a), string(b), name) + return + } + } +} + +func TestPrefixGlyphs(t *testing.T) { + for _, testCase := range testCases { + for i := 0; i <= len(testCase.s); i++ { + iter := strconv.Itoa(i) + out := getPrefixGlyphs(testCase.s, i) + compare(out, testCase.s[:i], "ascii prefix "+iter, t) + out = getPrefixGlyphs(accent(testCase.s), i) + compare(out, accent(testCase.s[:i]), "accent prefix "+iter, t) + } + out := getPrefixGlyphs(testCase.s, 999) + compare(out, testCase.s, "ascii prefix overflow", t) + out = getPrefixGlyphs(accent(testCase.s), 999) + compare(out, accent(testCase.s), "accent prefix overflow", t) + + out = getPrefixGlyphs(testCase.s, -3) + if len(out) != 0 { + t.Error("ascii prefix negative") + } + out = getPrefixGlyphs(accent(testCase.s), -3) + if len(out) != 0 { + t.Error("accent prefix negative") + } + } +} + +func TestSuffixGlyphs(t *testing.T) { + for _, testCase := range testCases { + for i := 0; i <= len(testCase.s); i++ { + iter := strconv.Itoa(i) + out := getSuffixGlyphs(testCase.s, i) + compare(out, testCase.s[len(testCase.s)-i:], "ascii suffix "+iter, t) + out = getSuffixGlyphs(accent(testCase.s), i) + compare(out, accent(testCase.s[len(testCase.s)-i:]), "accent suffix "+iter, t) + } + out := getSuffixGlyphs(testCase.s, 999) + compare(out, testCase.s, "ascii suffix overflow", t) + out = getSuffixGlyphs(accent(testCase.s), 999) + compare(out, accent(testCase.s), "accent suffix overflow", t) + + out = getSuffixGlyphs(testCase.s, -3) + if len(out) != 0 { + t.Error("ascii suffix negative") + } + out = getSuffixGlyphs(accent(testCase.s), -3) + if len(out) != 0 { + t.Error("accent suffix negative") + } + } +} diff --git a/vendor/github.com/russross/blackfriday/.gitignore b/vendor/github.com/russross/blackfriday/.gitignore new file mode 100644 index 00000000..75623dcc --- /dev/null +++ b/vendor/github.com/russross/blackfriday/.gitignore @@ -0,0 +1,8 @@ +*.out +*.swp +*.8 +*.6 +_obj +_test* +markdown +tags diff --git a/vendor/github.com/russross/blackfriday/.travis.yml b/vendor/github.com/russross/blackfriday/.travis.yml new file mode 100644 index 00000000..4dd7a1c5 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/.travis.yml @@ -0,0 +1,17 @@ +# Travis CI (http://travis-ci.org/) is a continuous integration service for +# open source projects. This file configures it to run unit tests for +# blackfriday. + +language: go + +go: + - 1.2 + - 1.3 + - 1.4 + +install: + - go get -d -t -v ./... + - go build -v ./... + +script: + - go test -v ./... diff --git a/vendor/github.com/russross/blackfriday/README.md b/vendor/github.com/russross/blackfriday/README.md new file mode 100644 index 00000000..52e3b25b --- /dev/null +++ b/vendor/github.com/russross/blackfriday/README.md @@ -0,0 +1,246 @@ +Blackfriday [![Build Status](https://travis-ci.org/russross/blackfriday.svg?branch=master)](https://travis-ci.org/russross/blackfriday) +=========== + +Blackfriday is a [Markdown][1] processor implemented in [Go][2]. It +is paranoid about its input (so you can safely feed it user-supplied +data), it is fast, it supports common extensions (tables, smart +punctuation substitutions, etc.), and it is safe for all utf-8 +(unicode) input. + +HTML output is currently supported, along with Smartypants +extensions. An experimental LaTeX output engine is also included. + +It started as a translation from C of [Sundown][3]. + + +Installation +------------ + +Blackfriday is compatible with Go 1. If you are using an older +release of Go, consider using v1.1 of blackfriday, which was based +on the last stable release of Go prior to Go 1. You can find it as a +tagged commit on github. + +With Go 1 and git installed: + + go get github.com/russross/blackfriday + +will download, compile, and install the package into your `$GOPATH` +directory hierarchy. Alternatively, you can achieve the same if you +import it into a project: + + import "github.com/russross/blackfriday" + +and `go get` without parameters. + +Usage +----- + +For basic usage, it is as simple as getting your input into a byte +slice and calling: + + output := blackfriday.MarkdownBasic(input) + +This renders it with no extensions enabled. To get a more useful +feature set, use this instead: + + output := blackfriday.MarkdownCommon(input) + +### Sanitize untrusted content + +Blackfriday itself does nothing to protect against malicious content. If you are +dealing with user-supplied markdown, we recommend running blackfriday's output +through HTML sanitizer such as +[Bluemonday](https://github.com/microcosm-cc/bluemonday). + +Here's an example of simple usage of blackfriday together with bluemonday: + +``` go +import ( + "github.com/microcosm-cc/bluemonday" + "github.com/russross/blackfriday" +) + +// ... +unsafe := blackfriday.MarkdownCommon(input) +html := bluemonday.UGCPolicy().SanitizeBytes(unsafe) +``` + +### Custom options + +If you want to customize the set of options, first get a renderer +(currently either the HTML or LaTeX output engines), then use it to +call the more general `Markdown` function. For examples, see the +implementations of `MarkdownBasic` and `MarkdownCommon` in +`markdown.go`. + +You can also check out `blackfriday-tool` for a more complete example +of how to use it. Download and install it using: + + go get github.com/russross/blackfriday-tool + +This is a simple command-line tool that allows you to process a +markdown file using a standalone program. You can also browse the +source directly on github if you are just looking for some example +code: + +* + +Note that if you have not already done so, installing +`blackfriday-tool` will be sufficient to download and install +blackfriday in addition to the tool itself. The tool binary will be +installed in `$GOPATH/bin`. This is a statically-linked binary that +can be copied to wherever you need it without worrying about +dependencies and library versions. + + +Features +-------- + +All features of Sundown are supported, including: + +* **Compatibility**. The Markdown v1.0.3 test suite passes with + the `--tidy` option. Without `--tidy`, the differences are + mostly in whitespace and entity escaping, where blackfriday is + more consistent and cleaner. + +* **Common extensions**, including table support, fenced code + blocks, autolinks, strikethroughs, non-strict emphasis, etc. + +* **Safety**. Blackfriday is paranoid when parsing, making it safe + to feed untrusted user input without fear of bad things + happening. The test suite stress tests this and there are no + known inputs that make it crash. If you find one, please let me + know and send me the input that does it. + + NOTE: "safety" in this context means *runtime safety only*. In order to + protect yourself agains JavaScript injection in untrusted content, see + [this example](https://github.com/russross/blackfriday#sanitize-untrusted-content). + +* **Fast processing**. It is fast enough to render on-demand in + most web applications without having to cache the output. + +* **Thread safety**. You can run multiple parsers in different + goroutines without ill effect. There is no dependence on global + shared state. + +* **Minimal dependencies**. Blackfriday only depends on standard + library packages in Go. The source code is pretty + self-contained, so it is easy to add to any project, including + Google App Engine projects. + +* **Standards compliant**. Output successfully validates using the + W3C validation tool for HTML 4.01 and XHTML 1.0 Transitional. + + +Extensions +---------- + +In addition to the standard markdown syntax, this package +implements the following extensions: + +* **Intra-word emphasis supression**. The `_` character is + commonly used inside words when discussing code, so having + markdown interpret it as an emphasis command is usually the + wrong thing. Blackfriday lets you treat all emphasis markers as + normal characters when they occur inside a word. + +* **Tables**. Tables can be created by drawing them in the input + using a simple syntax: + + ``` + Name | Age + --------|------ + Bob | 27 + Alice | 23 + ``` + +* **Fenced code blocks**. In addition to the normal 4-space + indentation to mark code blocks, you can explicitly mark them + and supply a language (to make syntax highlighting simple). Just + mark it like this: + + ``` go + func getTrue() bool { + return true + } + ``` + + You can use 3 or more backticks to mark the beginning of the + block, and the same number to mark the end of the block. + +* **Autolinking**. Blackfriday can find URLs that have not been + explicitly marked as links and turn them into links. + +* **Strikethrough**. Use two tildes (`~~`) to mark text that + should be crossed out. + +* **Hard line breaks**. With this extension enabled (it is off by + default in the `MarkdownBasic` and `MarkdownCommon` convenience + functions), newlines in the input translate into line breaks in + the output. + +* **Smart quotes**. Smartypants-style punctuation substitution is + supported, turning normal double- and single-quote marks into + curly quotes, etc. + +* **LaTeX-style dash parsing** is an additional option, where `--` + is translated into `–`, and `---` is translated into + `—`. This differs from most smartypants processors, which + turn a single hyphen into an ndash and a double hyphen into an + mdash. + +* **Smart fractions**, where anything that looks like a fraction + is translated into suitable HTML (instead of just a few special + cases like most smartypant processors). For example, `4/5` + becomes `4⁄5`, which renders as + 4⁄5. + + +Other renderers +--------------- + +Blackfriday is structured to allow alternative rendering engines. Here +are a few of note: + +* [github_flavored_markdown](https://godoc.org/github.com/shurcooL/github_flavored_markdown): + provides a GitHub Flavored Markdown renderer with fenced code block + highlighting, clickable header anchor links. + + It's not customizable, and its goal is to produce HTML output + equivalent to the [GitHub Markdown API endpoint](https://developer.github.com/v3/markdown/#render-a-markdown-document-in-raw-mode), + except the rendering is performed locally. + +* [markdownfmt](https://github.com/shurcooL/markdownfmt): like gofmt, + but for markdown. + +* LaTeX output: renders output as LaTeX. This is currently part of the + main Blackfriday repository, but may be split into its own project + in the future. If you are interested in owning and maintaining the + LaTeX output component, please be in touch. + + It renders some basic documents, but is only experimental at this + point. In particular, it does not do any inline escaping, so input + that happens to look like LaTeX code will be passed through without + modification. + + +Todo +---- + +* More unit testing +* Improve unicode support. It does not understand all unicode + rules (about what constitutes a letter, a punctuation symbol, + etc.), so it may fail to detect word boundaries correctly in + some instances. It is safe on all utf-8 input. + + +License +------- + +[Blackfriday is distributed under the Simplified BSD License](LICENSE.txt) + + + [1]: http://daringfireball.net/projects/markdown/ "Markdown" + [2]: http://golang.org/ "Go Language" + [3]: https://github.com/vmg/sundown "Sundown" diff --git a/vendor/github.com/russross/blackfriday/block.go b/vendor/github.com/russross/blackfriday/block.go new file mode 100644 index 00000000..1f300b33 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/block.go @@ -0,0 +1,1389 @@ +// +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. +// + +// +// Functions to parse block-level elements. +// + +package blackfriday + +import ( + "bytes" + + "github.com/shurcooL/sanitized_anchor_name" +) + +// Parse block-level data. +// Note: this function and many that it calls assume that +// the input buffer ends with a newline. +func (p *parser) block(out *bytes.Buffer, data []byte) { + if len(data) == 0 || data[len(data)-1] != '\n' { + panic("block input is missing terminating newline") + } + + // this is called recursively: enforce a maximum depth + if p.nesting >= p.maxNesting { + return + } + p.nesting++ + + // parse out one block-level construct at a time + for len(data) > 0 { + // prefixed header: + // + // # Header 1 + // ## Header 2 + // ... + // ###### Header 6 + if p.isPrefixHeader(data) { + data = data[p.prefixHeader(out, data):] + continue + } + + // block of preformatted HTML: + // + //
+ // ... + //
+ if data[0] == '<' { + if i := p.html(out, data, true); i > 0 { + data = data[i:] + continue + } + } + + // title block + // + // % stuff + // % more stuff + // % even more stuff + if p.flags&EXTENSION_TITLEBLOCK != 0 { + if data[0] == '%' { + if i := p.titleBlock(out, data, true); i > 0 { + data = data[i:] + continue + } + } + } + + // blank lines. note: returns the # of bytes to skip + if i := p.isEmpty(data); i > 0 { + data = data[i:] + continue + } + + // indented code block: + // + // func max(a, b int) int { + // if a > b { + // return a + // } + // return b + // } + if p.codePrefix(data) > 0 { + data = data[p.code(out, data):] + continue + } + + // fenced code block: + // + // ``` go + // func fact(n int) int { + // if n <= 1 { + // return n + // } + // return n * fact(n-1) + // } + // ``` + if p.flags&EXTENSION_FENCED_CODE != 0 { + if i := p.fencedCode(out, data, true); i > 0 { + data = data[i:] + continue + } + } + + // horizontal rule: + // + // ------ + // or + // ****** + // or + // ______ + if p.isHRule(data) { + p.r.HRule(out) + var i int + for i = 0; data[i] != '\n'; i++ { + } + data = data[i:] + continue + } + + // block quote: + // + // > A big quote I found somewhere + // > on the web + if p.quotePrefix(data) > 0 { + data = data[p.quote(out, data):] + continue + } + + // table: + // + // Name | Age | Phone + // ------|-----|--------- + // Bob | 31 | 555-1234 + // Alice | 27 | 555-4321 + if p.flags&EXTENSION_TABLES != 0 { + if i := p.table(out, data); i > 0 { + data = data[i:] + continue + } + } + + // an itemized/unordered list: + // + // * Item 1 + // * Item 2 + // + // also works with + or - + if p.uliPrefix(data) > 0 { + data = data[p.list(out, data, 0):] + continue + } + + // a numbered/ordered list: + // + // 1. Item 1 + // 2. Item 2 + if p.oliPrefix(data) > 0 { + data = data[p.list(out, data, LIST_TYPE_ORDERED):] + continue + } + + // definition lists: + // + // Term 1 + // : Definition a + // : Definition b + // + // Term 2 + // : Definition c + if p.flags&EXTENSION_DEFINITION_LISTS != 0 { + if p.dliPrefix(data) > 0 { + data = data[p.list(out, data, LIST_TYPE_DEFINITION):] + continue + } + } + + // anything else must look like a normal paragraph + // note: this finds underlined headers, too + data = data[p.paragraph(out, data):] + } + + p.nesting-- +} + +func (p *parser) isPrefixHeader(data []byte) bool { + if data[0] != '#' { + return false + } + + if p.flags&EXTENSION_SPACE_HEADERS != 0 { + level := 0 + for level < 6 && data[level] == '#' { + level++ + } + if data[level] != ' ' { + return false + } + } + return true +} + +func (p *parser) prefixHeader(out *bytes.Buffer, data []byte) int { + level := 0 + for level < 6 && data[level] == '#' { + level++ + } + i := skipChar(data, level, ' ') + end := skipUntilChar(data, i, '\n') + skip := end + id := "" + if p.flags&EXTENSION_HEADER_IDS != 0 { + j, k := 0, 0 + // find start/end of header id + for j = i; j < end-1 && (data[j] != '{' || data[j+1] != '#'); j++ { + } + for k = j + 1; k < end && data[k] != '}'; k++ { + } + // extract header id iff found + if j < end && k < end { + id = string(data[j+2 : k]) + end = j + skip = k + 1 + for end > 0 && data[end-1] == ' ' { + end-- + } + } + } + for end > 0 && data[end-1] == '#' { + if isBackslashEscaped(data, end-1) { + break + } + end-- + } + for end > 0 && data[end-1] == ' ' { + end-- + } + if end > i { + if id == "" && p.flags&EXTENSION_AUTO_HEADER_IDS != 0 { + id = sanitized_anchor_name.Create(string(data[i:end])) + } + work := func() bool { + p.inline(out, data[i:end]) + return true + } + p.r.Header(out, work, level, id) + } + return skip +} + +func (p *parser) isUnderlinedHeader(data []byte) int { + // test of level 1 header + if data[0] == '=' { + i := skipChar(data, 1, '=') + i = skipChar(data, i, ' ') + if data[i] == '\n' { + return 1 + } else { + return 0 + } + } + + // test of level 2 header + if data[0] == '-' { + i := skipChar(data, 1, '-') + i = skipChar(data, i, ' ') + if data[i] == '\n' { + return 2 + } else { + return 0 + } + } + + return 0 +} + +func (p *parser) titleBlock(out *bytes.Buffer, data []byte, doRender bool) int { + if data[0] != '%' { + return 0 + } + splitData := bytes.Split(data, []byte("\n")) + var i int + for idx, b := range splitData { + if !bytes.HasPrefix(b, []byte("%")) { + i = idx // - 1 + break + } + } + + data = bytes.Join(splitData[0:i], []byte("\n")) + p.r.TitleBlock(out, data) + + return len(data) +} + +func (p *parser) html(out *bytes.Buffer, data []byte, doRender bool) int { + var i, j int + + // identify the opening tag + if data[0] != '<' { + return 0 + } + curtag, tagfound := p.htmlFindTag(data[1:]) + + // handle special cases + if !tagfound { + // check for an HTML comment + if size := p.htmlComment(out, data, doRender); size > 0 { + return size + } + + // check for an
tag + if size := p.htmlHr(out, data, doRender); size > 0 { + return size + } + + // no special case recognized + return 0 + } + + // look for an unindented matching closing tag + // followed by a blank line + found := false + /* + closetag := []byte("\n") + j = len(curtag) + 1 + for !found { + // scan for a closing tag at the beginning of a line + if skip := bytes.Index(data[j:], closetag); skip >= 0 { + j += skip + len(closetag) + } else { + break + } + + // see if it is the only thing on the line + if skip := p.isEmpty(data[j:]); skip > 0 { + // see if it is followed by a blank line/eof + j += skip + if j >= len(data) { + found = true + i = j + } else { + if skip := p.isEmpty(data[j:]); skip > 0 { + j += skip + found = true + i = j + } + } + } + } + */ + + // if not found, try a second pass looking for indented match + // but not if tag is "ins" or "del" (following original Markdown.pl) + if !found && curtag != "ins" && curtag != "del" { + i = 1 + for i < len(data) { + i++ + for i < len(data) && !(data[i-1] == '<' && data[i] == '/') { + i++ + } + + if i+2+len(curtag) >= len(data) { + break + } + + j = p.htmlFindEnd(curtag, data[i-1:]) + + if j > 0 { + i += j - 1 + found = true + break + } + } + } + + if !found { + return 0 + } + + // the end of the block has been found + if doRender { + // trim newlines + end := i + for end > 0 && data[end-1] == '\n' { + end-- + } + p.r.BlockHtml(out, data[:end]) + } + + return i +} + +// HTML comment, lax form +func (p *parser) htmlComment(out *bytes.Buffer, data []byte, doRender bool) int { + if data[0] != '<' || data[1] != '!' || data[2] != '-' || data[3] != '-' { + return 0 + } + + i := 5 + + // scan for an end-of-comment marker, across lines if necessary + for i < len(data) && !(data[i-2] == '-' && data[i-1] == '-' && data[i] == '>') { + i++ + } + i++ + + // no end-of-comment marker + if i >= len(data) { + return 0 + } + + // needs to end with a blank line + if j := p.isEmpty(data[i:]); j > 0 { + size := i + j + if doRender { + // trim trailing newlines + end := size + for end > 0 && data[end-1] == '\n' { + end-- + } + p.r.BlockHtml(out, data[:end]) + } + return size + } + + return 0 +} + +// HR, which is the only self-closing block tag considered +func (p *parser) htmlHr(out *bytes.Buffer, data []byte, doRender bool) int { + if data[0] != '<' || (data[1] != 'h' && data[1] != 'H') || (data[2] != 'r' && data[2] != 'R') { + return 0 + } + if data[3] != ' ' && data[3] != '/' && data[3] != '>' { + // not an
tag after all; at least not a valid one + return 0 + } + + i := 3 + for data[i] != '>' && data[i] != '\n' { + i++ + } + + if data[i] == '>' { + i++ + if j := p.isEmpty(data[i:]); j > 0 { + size := i + j + if doRender { + // trim newlines + end := size + for end > 0 && data[end-1] == '\n' { + end-- + } + p.r.BlockHtml(out, data[:end]) + } + return size + } + } + + return 0 +} + +func (p *parser) htmlFindTag(data []byte) (string, bool) { + i := 0 + for isalnum(data[i]) { + i++ + } + key := string(data[:i]) + if blockTags[key] { + return key, true + } + return "", false +} + +func (p *parser) htmlFindEnd(tag string, data []byte) int { + // assume data[0] == '<' && data[1] == '/' already tested + + // check if tag is a match + closetag := []byte("") + if !bytes.HasPrefix(data, closetag) { + return 0 + } + i := len(closetag) + + // check that the rest of the line is blank + skip := 0 + if skip = p.isEmpty(data[i:]); skip == 0 { + return 0 + } + i += skip + skip = 0 + + if i >= len(data) { + return i + } + + if p.flags&EXTENSION_LAX_HTML_BLOCKS != 0 { + return i + } + if skip = p.isEmpty(data[i:]); skip == 0 { + // following line must be blank + return 0 + } + + return i + skip +} + +func (p *parser) isEmpty(data []byte) int { + // it is okay to call isEmpty on an empty buffer + if len(data) == 0 { + return 0 + } + + var i int + for i = 0; i < len(data) && data[i] != '\n'; i++ { + if data[i] != ' ' && data[i] != '\t' { + return 0 + } + } + return i + 1 +} + +func (p *parser) isHRule(data []byte) bool { + i := 0 + + // skip up to three spaces + for i < 3 && data[i] == ' ' { + i++ + } + + // look at the hrule char + if data[i] != '*' && data[i] != '-' && data[i] != '_' { + return false + } + c := data[i] + + // the whole line must be the char or whitespace + n := 0 + for data[i] != '\n' { + switch { + case data[i] == c: + n++ + case data[i] != ' ': + return false + } + i++ + } + + return n >= 3 +} + +func (p *parser) isFencedCode(data []byte, syntax **string, oldmarker string) (skip int, marker string) { + i, size := 0, 0 + skip = 0 + + // skip up to three spaces + for i < len(data) && i < 3 && data[i] == ' ' { + i++ + } + if i >= len(data) { + return + } + + // check for the marker characters: ~ or ` + if data[i] != '~' && data[i] != '`' { + return + } + + c := data[i] + + // the whole line must be the same char or whitespace + for i < len(data) && data[i] == c { + size++ + i++ + } + + if i >= len(data) { + return + } + + // the marker char must occur at least 3 times + if size < 3 { + return + } + marker = string(data[i-size : i]) + + // if this is the end marker, it must match the beginning marker + if oldmarker != "" && marker != oldmarker { + return + } + + if syntax != nil { + syn := 0 + i = skipChar(data, i, ' ') + + if i >= len(data) { + return + } + + syntaxStart := i + + if data[i] == '{' { + i++ + syntaxStart++ + + for i < len(data) && data[i] != '}' && data[i] != '\n' { + syn++ + i++ + } + + if i >= len(data) || data[i] != '}' { + return + } + + // strip all whitespace at the beginning and the end + // of the {} block + for syn > 0 && isspace(data[syntaxStart]) { + syntaxStart++ + syn-- + } + + for syn > 0 && isspace(data[syntaxStart+syn-1]) { + syn-- + } + + i++ + } else { + for i < len(data) && !isspace(data[i]) { + syn++ + i++ + } + } + + language := string(data[syntaxStart : syntaxStart+syn]) + *syntax = &language + } + + i = skipChar(data, i, ' ') + if i >= len(data) || data[i] != '\n' { + return + } + + skip = i + 1 + return +} + +func (p *parser) fencedCode(out *bytes.Buffer, data []byte, doRender bool) int { + var lang *string + beg, marker := p.isFencedCode(data, &lang, "") + if beg == 0 || beg >= len(data) { + return 0 + } + + var work bytes.Buffer + + for { + // safe to assume beg < len(data) + + // check for the end of the code block + fenceEnd, _ := p.isFencedCode(data[beg:], nil, marker) + if fenceEnd != 0 { + beg += fenceEnd + break + } + + // copy the current line + end := skipUntilChar(data, beg, '\n') + 1 + + // did we reach the end of the buffer without a closing marker? + if end >= len(data) { + return 0 + } + + // verbatim copy to the working buffer + if doRender { + work.Write(data[beg:end]) + } + beg = end + } + + syntax := "" + if lang != nil { + syntax = *lang + } + + if doRender { + p.r.BlockCode(out, work.Bytes(), syntax) + } + + return beg +} + +func (p *parser) table(out *bytes.Buffer, data []byte) int { + var header bytes.Buffer + i, columns := p.tableHeader(&header, data) + if i == 0 { + return 0 + } + + var body bytes.Buffer + + for i < len(data) { + pipes, rowStart := 0, i + for ; data[i] != '\n'; i++ { + if data[i] == '|' { + pipes++ + } + } + + if pipes == 0 { + i = rowStart + break + } + + // include the newline in data sent to tableRow + i++ + p.tableRow(&body, data[rowStart:i], columns, false) + } + + p.r.Table(out, header.Bytes(), body.Bytes(), columns) + + return i +} + +// check if the specified position is preceded by an odd number of backslashes +func isBackslashEscaped(data []byte, i int) bool { + backslashes := 0 + for i-backslashes-1 >= 0 && data[i-backslashes-1] == '\\' { + backslashes++ + } + return backslashes&1 == 1 +} + +func (p *parser) tableHeader(out *bytes.Buffer, data []byte) (size int, columns []int) { + i := 0 + colCount := 1 + for i = 0; data[i] != '\n'; i++ { + if data[i] == '|' && !isBackslashEscaped(data, i) { + colCount++ + } + } + + // doesn't look like a table header + if colCount == 1 { + return + } + + // include the newline in the data sent to tableRow + header := data[:i+1] + + // column count ignores pipes at beginning or end of line + if data[0] == '|' { + colCount-- + } + if i > 2 && data[i-1] == '|' && !isBackslashEscaped(data, i-1) { + colCount-- + } + + columns = make([]int, colCount) + + // move on to the header underline + i++ + if i >= len(data) { + return + } + + if data[i] == '|' && !isBackslashEscaped(data, i) { + i++ + } + i = skipChar(data, i, ' ') + + // each column header is of form: / *:?-+:? *|/ with # dashes + # colons >= 3 + // and trailing | optional on last column + col := 0 + for data[i] != '\n' { + dashes := 0 + + if data[i] == ':' { + i++ + columns[col] |= TABLE_ALIGNMENT_LEFT + dashes++ + } + for data[i] == '-' { + i++ + dashes++ + } + if data[i] == ':' { + i++ + columns[col] |= TABLE_ALIGNMENT_RIGHT + dashes++ + } + for data[i] == ' ' { + i++ + } + + // end of column test is messy + switch { + case dashes < 3: + // not a valid column + return + + case data[i] == '|' && !isBackslashEscaped(data, i): + // marker found, now skip past trailing whitespace + col++ + i++ + for data[i] == ' ' { + i++ + } + + // trailing junk found after last column + if col >= colCount && data[i] != '\n' { + return + } + + case (data[i] != '|' || isBackslashEscaped(data, i)) && col+1 < colCount: + // something else found where marker was required + return + + case data[i] == '\n': + // marker is optional for the last column + col++ + + default: + // trailing junk found after last column + return + } + } + if col != colCount { + return + } + + p.tableRow(out, header, columns, true) + size = i + 1 + return +} + +func (p *parser) tableRow(out *bytes.Buffer, data []byte, columns []int, header bool) { + i, col := 0, 0 + var rowWork bytes.Buffer + + if data[i] == '|' && !isBackslashEscaped(data, i) { + i++ + } + + for col = 0; col < len(columns) && i < len(data); col++ { + for data[i] == ' ' { + i++ + } + + cellStart := i + + for (data[i] != '|' || isBackslashEscaped(data, i)) && data[i] != '\n' { + i++ + } + + cellEnd := i + + // skip the end-of-cell marker, possibly taking us past end of buffer + i++ + + for cellEnd > cellStart && data[cellEnd-1] == ' ' { + cellEnd-- + } + + var cellWork bytes.Buffer + p.inline(&cellWork, data[cellStart:cellEnd]) + + if header { + p.r.TableHeaderCell(&rowWork, cellWork.Bytes(), columns[col]) + } else { + p.r.TableCell(&rowWork, cellWork.Bytes(), columns[col]) + } + } + + // pad it out with empty columns to get the right number + for ; col < len(columns); col++ { + if header { + p.r.TableHeaderCell(&rowWork, nil, columns[col]) + } else { + p.r.TableCell(&rowWork, nil, columns[col]) + } + } + + // silently ignore rows with too many cells + + p.r.TableRow(out, rowWork.Bytes()) +} + +// returns blockquote prefix length +func (p *parser) quotePrefix(data []byte) int { + i := 0 + for i < 3 && data[i] == ' ' { + i++ + } + if data[i] == '>' { + if data[i+1] == ' ' { + return i + 2 + } + return i + 1 + } + return 0 +} + +// parse a blockquote fragment +func (p *parser) quote(out *bytes.Buffer, data []byte) int { + var raw bytes.Buffer + beg, end := 0, 0 + for beg < len(data) { + end = beg + for data[end] != '\n' { + end++ + } + end++ + + if pre := p.quotePrefix(data[beg:]); pre > 0 { + // skip the prefix + beg += pre + } else if p.isEmpty(data[beg:]) > 0 && + (end >= len(data) || + (p.quotePrefix(data[end:]) == 0 && p.isEmpty(data[end:]) == 0)) { + // blockquote ends with at least one blank line + // followed by something without a blockquote prefix + break + } + + // this line is part of the blockquote + raw.Write(data[beg:end]) + beg = end + } + + var cooked bytes.Buffer + p.block(&cooked, raw.Bytes()) + p.r.BlockQuote(out, cooked.Bytes()) + return end +} + +// returns prefix length for block code +func (p *parser) codePrefix(data []byte) int { + if data[0] == ' ' && data[1] == ' ' && data[2] == ' ' && data[3] == ' ' { + return 4 + } + return 0 +} + +func (p *parser) code(out *bytes.Buffer, data []byte) int { + var work bytes.Buffer + + i := 0 + for i < len(data) { + beg := i + for data[i] != '\n' { + i++ + } + i++ + + blankline := p.isEmpty(data[beg:i]) > 0 + if pre := p.codePrefix(data[beg:i]); pre > 0 { + beg += pre + } else if !blankline { + // non-empty, non-prefixed line breaks the pre + i = beg + break + } + + // verbatim copy to the working buffeu + if blankline { + work.WriteByte('\n') + } else { + work.Write(data[beg:i]) + } + } + + // trim all the \n off the end of work + workbytes := work.Bytes() + eol := len(workbytes) + for eol > 0 && workbytes[eol-1] == '\n' { + eol-- + } + if eol != len(workbytes) { + work.Truncate(eol) + } + + work.WriteByte('\n') + + p.r.BlockCode(out, work.Bytes(), "") + + return i +} + +// returns unordered list item prefix +func (p *parser) uliPrefix(data []byte) int { + i := 0 + + // start with up to 3 spaces + for i < 3 && data[i] == ' ' { + i++ + } + + // need a *, +, or - followed by a space + if (data[i] != '*' && data[i] != '+' && data[i] != '-') || + data[i+1] != ' ' { + return 0 + } + return i + 2 +} + +// returns ordered list item prefix +func (p *parser) oliPrefix(data []byte) int { + i := 0 + + // start with up to 3 spaces + for i < 3 && data[i] == ' ' { + i++ + } + + // count the digits + start := i + for data[i] >= '0' && data[i] <= '9' { + i++ + } + + // we need >= 1 digits followed by a dot and a space + if start == i || data[i] != '.' || data[i+1] != ' ' { + return 0 + } + return i + 2 +} + +// returns definition list item prefix +func (p *parser) dliPrefix(data []byte) int { + i := 0 + + // need a : followed by a spaces + if data[i] != ':' || data[i+1] != ' ' { + return 0 + } + for data[i] == ' ' { + i++ + } + return i + 2 +} + +// parse ordered or unordered list block +func (p *parser) list(out *bytes.Buffer, data []byte, flags int) int { + i := 0 + flags |= LIST_ITEM_BEGINNING_OF_LIST + work := func() bool { + for i < len(data) { + skip := p.listItem(out, data[i:], &flags) + i += skip + + if skip == 0 || flags&LIST_ITEM_END_OF_LIST != 0 { + break + } + flags &= ^LIST_ITEM_BEGINNING_OF_LIST + } + return true + } + + p.r.List(out, work, flags) + return i +} + +// Parse a single list item. +// Assumes initial prefix is already removed if this is a sublist. +func (p *parser) listItem(out *bytes.Buffer, data []byte, flags *int) int { + // keep track of the indentation of the first line + itemIndent := 0 + for itemIndent < 3 && data[itemIndent] == ' ' { + itemIndent++ + } + + i := p.uliPrefix(data) + if i == 0 { + i = p.oliPrefix(data) + } + if i == 0 { + i = p.dliPrefix(data) + // reset definition term flag + if i > 0 { + *flags &= ^LIST_TYPE_TERM + } + } + if i == 0 { + // if in defnition list, set term flag and continue + if *flags&LIST_TYPE_DEFINITION != 0 { + *flags |= LIST_TYPE_TERM + } else { + return 0 + } + } + + // skip leading whitespace on first line + for data[i] == ' ' { + i++ + } + + // find the end of the line + line := i + for i > 0 && data[i-1] != '\n' { + i++ + } + + // get working buffer + var raw bytes.Buffer + + // put the first line into the working buffer + raw.Write(data[line:i]) + line = i + + // process the following lines + containsBlankLine := false + sublist := 0 + +gatherlines: + for line < len(data) { + i++ + + // find the end of this line + for data[i-1] != '\n' { + i++ + } + + // if it is an empty line, guess that it is part of this item + // and move on to the next line + if p.isEmpty(data[line:i]) > 0 { + containsBlankLine = true + line = i + continue + } + + // calculate the indentation + indent := 0 + for indent < 4 && line+indent < i && data[line+indent] == ' ' { + indent++ + } + + chunk := data[line+indent : i] + + // evaluate how this line fits in + switch { + // is this a nested list item? + case (p.uliPrefix(chunk) > 0 && !p.isHRule(chunk)) || + p.oliPrefix(chunk) > 0 || + p.dliPrefix(chunk) > 0: + + if containsBlankLine { + *flags |= LIST_ITEM_CONTAINS_BLOCK + } + + // to be a nested list, it must be indented more + // if not, it is the next item in the same list + if indent <= itemIndent { + break gatherlines + } + + // is this the first item in the nested list? + if sublist == 0 { + sublist = raw.Len() + } + + // is this a nested prefix header? + case p.isPrefixHeader(chunk): + // if the header is not indented, it is not nested in the list + // and thus ends the list + if containsBlankLine && indent < 4 { + *flags |= LIST_ITEM_END_OF_LIST + break gatherlines + } + *flags |= LIST_ITEM_CONTAINS_BLOCK + + // anything following an empty line is only part + // of this item if it is indented 4 spaces + // (regardless of the indentation of the beginning of the item) + case containsBlankLine && indent < 4: + if *flags&LIST_TYPE_DEFINITION != 0 && i < len(data)-1 { + // is the next item still a part of this list? + next := i + for data[next] != '\n' { + next++ + } + for next < len(data)-1 && data[next] == '\n' { + next++ + } + if i < len(data)-1 && data[i] != ':' && data[next] != ':' { + *flags |= LIST_ITEM_END_OF_LIST + } + } else { + *flags |= LIST_ITEM_END_OF_LIST + } + break gatherlines + + // a blank line means this should be parsed as a block + case containsBlankLine: + raw.WriteByte('\n') + *flags |= LIST_ITEM_CONTAINS_BLOCK + } + + // if this line was preceeded by one or more blanks, + // re-introduce the blank into the buffer + if containsBlankLine { + containsBlankLine = false + raw.WriteByte('\n') + + } + + // add the line into the working buffer without prefix + raw.Write(data[line+indent : i]) + + line = i + } + + rawBytes := raw.Bytes() + + // render the contents of the list item + var cooked bytes.Buffer + if *flags&LIST_ITEM_CONTAINS_BLOCK != 0 && *flags&LIST_TYPE_TERM == 0 { + // intermediate render of block item, except for definition term + if sublist > 0 { + p.block(&cooked, rawBytes[:sublist]) + p.block(&cooked, rawBytes[sublist:]) + } else { + p.block(&cooked, rawBytes) + } + } else { + // intermediate render of inline item + if sublist > 0 { + p.inline(&cooked, rawBytes[:sublist]) + p.block(&cooked, rawBytes[sublist:]) + } else { + p.inline(&cooked, rawBytes) + } + } + + // render the actual list item + cookedBytes := cooked.Bytes() + parsedEnd := len(cookedBytes) + + // strip trailing newlines + for parsedEnd > 0 && cookedBytes[parsedEnd-1] == '\n' { + parsedEnd-- + } + p.r.ListItem(out, cookedBytes[:parsedEnd], *flags) + + return line +} + +// render a single paragraph that has already been parsed out +func (p *parser) renderParagraph(out *bytes.Buffer, data []byte) { + if len(data) == 0 { + return + } + + // trim leading spaces + beg := 0 + for data[beg] == ' ' { + beg++ + } + + // trim trailing newline + end := len(data) - 1 + + // trim trailing spaces + for end > beg && data[end-1] == ' ' { + end-- + } + + work := func() bool { + p.inline(out, data[beg:end]) + return true + } + p.r.Paragraph(out, work) +} + +func (p *parser) paragraph(out *bytes.Buffer, data []byte) int { + // prev: index of 1st char of previous line + // line: index of 1st char of current line + // i: index of cursor/end of current line + var prev, line, i int + + // keep going until we find something to mark the end of the paragraph + for i < len(data) { + // mark the beginning of the current line + prev = line + current := data[i:] + line = i + + // did we find a blank line marking the end of the paragraph? + if n := p.isEmpty(current); n > 0 { + // did this blank line followed by a definition list item? + if p.flags&EXTENSION_DEFINITION_LISTS != 0 { + if i < len(data)-1 && data[i+1] == ':' { + return p.list(out, data[prev:], LIST_TYPE_DEFINITION) + } + } + + p.renderParagraph(out, data[:i]) + return i + n + } + + // an underline under some text marks a header, so our paragraph ended on prev line + if i > 0 { + if level := p.isUnderlinedHeader(current); level > 0 { + // render the paragraph + p.renderParagraph(out, data[:prev]) + + // ignore leading and trailing whitespace + eol := i - 1 + for prev < eol && data[prev] == ' ' { + prev++ + } + for eol > prev && data[eol-1] == ' ' { + eol-- + } + + // render the header + // this ugly double closure avoids forcing variables onto the heap + work := func(o *bytes.Buffer, pp *parser, d []byte) func() bool { + return func() bool { + pp.inline(o, d) + return true + } + }(out, p, data[prev:eol]) + + id := "" + if p.flags&EXTENSION_AUTO_HEADER_IDS != 0 { + id = sanitized_anchor_name.Create(string(data[prev:eol])) + } + + p.r.Header(out, work, level, id) + + // find the end of the underline + for data[i] != '\n' { + i++ + } + return i + } + } + + // if the next line starts a block of HTML, then the paragraph ends here + if p.flags&EXTENSION_LAX_HTML_BLOCKS != 0 { + if data[i] == '<' && p.html(out, current, false) > 0 { + // rewind to before the HTML block + p.renderParagraph(out, data[:i]) + return i + } + } + + // if there's a prefixed header or a horizontal rule after this, paragraph is over + if p.isPrefixHeader(current) || p.isHRule(current) { + p.renderParagraph(out, data[:i]) + return i + } + + // if there's a definition list item, prev line is a definition term + if p.flags&EXTENSION_DEFINITION_LISTS != 0 { + if p.dliPrefix(current) != 0 { + return p.list(out, data[prev:], LIST_TYPE_DEFINITION) + } + } + + // if there's a list after this, paragraph is over + if p.flags&EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK != 0 { + if p.uliPrefix(current) != 0 || + p.oliPrefix(current) != 0 || + p.quotePrefix(current) != 0 || + p.codePrefix(current) != 0 { + p.renderParagraph(out, data[:i]) + return i + } + } + + // otherwise, scan to the beginning of the next line + for data[i] != '\n' { + i++ + } + i++ + } + + p.renderParagraph(out, data[:i]) + return i +} diff --git a/vendor/github.com/russross/blackfriday/block_test.go b/vendor/github.com/russross/blackfriday/block_test.go new file mode 100644 index 00000000..f52506fd --- /dev/null +++ b/vendor/github.com/russross/blackfriday/block_test.go @@ -0,0 +1,1407 @@ +// +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. +// + +// +// Unit tests for block parsing +// + +package blackfriday + +import ( + "testing" +) + +func runMarkdownBlockWithRenderer(input string, extensions int, renderer Renderer) string { + return string(Markdown([]byte(input), renderer, extensions)) +} + +func runMarkdownBlock(input string, extensions int) string { + htmlFlags := 0 + htmlFlags |= HTML_USE_XHTML + + renderer := HtmlRenderer(htmlFlags, "", "") + + return runMarkdownBlockWithRenderer(input, extensions, renderer) +} + +func runnerWithRendererParameters(parameters HtmlRendererParameters) func(string, int) string { + return func(input string, extensions int) string { + htmlFlags := 0 + htmlFlags |= HTML_USE_XHTML + + renderer := HtmlRendererWithParameters(htmlFlags, "", "", parameters) + + return runMarkdownBlockWithRenderer(input, extensions, renderer) + } +} + +func doTestsBlock(t *testing.T, tests []string, extensions int) { + doTestsBlockWithRunner(t, tests, extensions, runMarkdownBlock) +} + +func doTestsBlockWithRunner(t *testing.T, tests []string, extensions int, runner func(string, int) string) { + // catch and report panics + var candidate string + defer func() { + if err := recover(); err != nil { + t.Errorf("\npanic while processing [%#v]: %s\n", candidate, err) + } + }() + + for i := 0; i+1 < len(tests); i += 2 { + input := tests[i] + candidate = input + expected := tests[i+1] + actual := runner(candidate, extensions) + if actual != expected { + t.Errorf("\nInput [%#v]\nExpected[%#v]\nActual [%#v]", + candidate, expected, actual) + } + + // now test every substring to stress test bounds checking + if !testing.Short() { + for start := 0; start < len(input); start++ { + for end := start + 1; end <= len(input); end++ { + candidate = input[start:end] + _ = runMarkdownBlock(candidate, extensions) + } + } + } + } +} + +func TestPrefixHeaderNoExtensions(t *testing.T) { + var tests = []string{ + "# Header 1\n", + "

Header 1

\n", + + "## Header 2\n", + "

Header 2

\n", + + "### Header 3\n", + "

Header 3

\n", + + "#### Header 4\n", + "

Header 4

\n", + + "##### Header 5\n", + "
Header 5
\n", + + "###### Header 6\n", + "
Header 6
\n", + + "####### Header 7\n", + "
# Header 7
\n", + + "#Header 1\n", + "

Header 1

\n", + + "##Header 2\n", + "

Header 2

\n", + + "###Header 3\n", + "

Header 3

\n", + + "####Header 4\n", + "

Header 4

\n", + + "#####Header 5\n", + "
Header 5
\n", + + "######Header 6\n", + "
Header 6
\n", + + "#######Header 7\n", + "
#Header 7
\n", + + "Hello\n# Header 1\nGoodbye\n", + "

Hello

\n\n

Header 1

\n\n

Goodbye

\n", + + "* List\n# Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n * Nested list\n # Nested header\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + + "#Header 1 \\#\n", + "

Header 1 #

\n", + + "#Header 1 \\# foo\n", + "

Header 1 # foo

\n", + + "#Header 1 #\\##\n", + "

Header 1 ##

\n", + } + doTestsBlock(t, tests, 0) +} + +func TestPrefixHeaderSpaceExtension(t *testing.T) { + var tests = []string{ + "# Header 1\n", + "

Header 1

\n", + + "## Header 2\n", + "

Header 2

\n", + + "### Header 3\n", + "

Header 3

\n", + + "#### Header 4\n", + "

Header 4

\n", + + "##### Header 5\n", + "
Header 5
\n", + + "###### Header 6\n", + "
Header 6
\n", + + "####### Header 7\n", + "

####### Header 7

\n", + + "#Header 1\n", + "

#Header 1

\n", + + "##Header 2\n", + "

##Header 2

\n", + + "###Header 3\n", + "

###Header 3

\n", + + "####Header 4\n", + "

####Header 4

\n", + + "#####Header 5\n", + "

#####Header 5

\n", + + "######Header 6\n", + "

######Header 6

\n", + + "#######Header 7\n", + "

#######Header 7

\n", + + "Hello\n# Header 1\nGoodbye\n", + "

Hello

\n\n

Header 1

\n\n

Goodbye

\n", + + "* List\n# Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header\n* List\n", + "
    \n
  • List\n#Header
    • \n
  • List
    • \n
\n", + + "* List\n * Nested list\n # Nested header\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + } + doTestsBlock(t, tests, EXTENSION_SPACE_HEADERS) +} + +func TestPrefixHeaderIdExtension(t *testing.T) { + var tests = []string{ + "# Header 1 {#someid}\n", + "

Header 1

\n", + + "# Header 1 {#someid} \n", + "

Header 1

\n", + + "# Header 1 {#someid}\n", + "

Header 1

\n", + + "# Header 1 {#someid\n", + "

Header 1 {#someid

\n", + + "# Header 1 {#someid\n", + "

Header 1 {#someid

\n", + + "# Header 1 {#someid}}\n", + "

Header 1

\n\n

}

\n", + + "## Header 2 {#someid}\n", + "

Header 2

\n", + + "### Header 3 {#someid}\n", + "

Header 3

\n", + + "#### Header 4 {#someid}\n", + "

Header 4

\n", + + "##### Header 5 {#someid}\n", + "
Header 5
\n", + + "###### Header 6 {#someid}\n", + "
Header 6
\n", + + "####### Header 7 {#someid}\n", + "
# Header 7
\n", + + "# Header 1 # {#someid}\n", + "

Header 1

\n", + + "## Header 2 ## {#someid}\n", + "

Header 2

\n", + + "Hello\n# Header 1\nGoodbye\n", + "

Hello

\n\n

Header 1

\n\n

Goodbye

\n", + + "* List\n# Header {#someid}\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header {#someid}\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n * Nested list\n # Nested header {#someid}\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + } + doTestsBlock(t, tests, EXTENSION_HEADER_IDS) +} + +func TestPrefixHeaderIdExtensionWithPrefixAndSuffix(t *testing.T) { + var tests = []string{ + "# header 1 {#someid}\n", + "

header 1

\n", + + "## header 2 {#someid}\n", + "

header 2

\n", + + "### header 3 {#someid}\n", + "

header 3

\n", + + "#### header 4 {#someid}\n", + "

header 4

\n", + + "##### header 5 {#someid}\n", + "
header 5
\n", + + "###### header 6 {#someid}\n", + "
header 6
\n", + + "####### header 7 {#someid}\n", + "
# header 7
\n", + + "# header 1 # {#someid}\n", + "

header 1

\n", + + "## header 2 ## {#someid}\n", + "

header 2

\n", + + "* List\n# Header {#someid}\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header {#someid}\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n * Nested list\n # Nested header {#someid}\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + } + + parameters := HtmlRendererParameters{ + HeaderIDPrefix: "PRE:", + HeaderIDSuffix: ":POST", + } + + doTestsBlockWithRunner(t, tests, EXTENSION_HEADER_IDS, runnerWithRendererParameters(parameters)) +} + +func TestPrefixAutoHeaderIdExtension(t *testing.T) { + var tests = []string{ + "# Header 1\n", + "

Header 1

\n", + + "# Header 1 \n", + "

Header 1

\n", + + "## Header 2\n", + "

Header 2

\n", + + "### Header 3\n", + "

Header 3

\n", + + "#### Header 4\n", + "

Header 4

\n", + + "##### Header 5\n", + "
Header 5
\n", + + "###### Header 6\n", + "
Header 6
\n", + + "####### Header 7\n", + "
# Header 7
\n", + + "Hello\n# Header 1\nGoodbye\n", + "

Hello

\n\n

Header 1

\n\n

Goodbye

\n", + + "* List\n# Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n * Nested list\n # Nested header\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + + "# Header\n\n# Header\n", + "

Header

\n\n

Header

\n", + + "# Header 1\n\n# Header 1", + "

Header 1

\n\n

Header 1

\n", + + "# Header\n\n# Header 1\n\n# Header\n\n# Header", + "

Header

\n\n

Header 1

\n\n

Header

\n\n

Header

\n", + } + doTestsBlock(t, tests, EXTENSION_AUTO_HEADER_IDS) +} + +func TestPrefixAutoHeaderIdExtensionWithPrefixAndSuffix(t *testing.T) { + var tests = []string{ + "# Header 1\n", + "

Header 1

\n", + + "# Header 1 \n", + "

Header 1

\n", + + "## Header 2\n", + "

Header 2

\n", + + "### Header 3\n", + "

Header 3

\n", + + "#### Header 4\n", + "

Header 4

\n", + + "##### Header 5\n", + "
Header 5
\n", + + "###### Header 6\n", + "
Header 6
\n", + + "####### Header 7\n", + "
# Header 7
\n", + + "Hello\n# Header 1\nGoodbye\n", + "

Hello

\n\n

Header 1

\n\n

Goodbye

\n", + + "* List\n# Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n#Header\n* List\n", + "
    \n

  • List

    \n\n

    Header

    • \n\n

  • List

    • \n
\n", + + "* List\n * Nested list\n # Nested header\n", + "
    \n

  • List

    \n\n
      \n

    • Nested list

      \n\n" + + "

      Nested header

      • \n
    • \n
\n", + + "# Header\n\n# Header\n", + "

Header

\n\n

Header

\n", + + "# Header 1\n\n# Header 1", + "

Header 1

\n\n

Header 1

\n", + + "# Header\n\n# Header 1\n\n# Header\n\n# Header", + "

Header

\n\n

Header 1

\n\n

Header

\n\n

Header

\n", + } + + parameters := HtmlRendererParameters{ + HeaderIDPrefix: "PRE:", + HeaderIDSuffix: ":POST", + } + + doTestsBlockWithRunner(t, tests, EXTENSION_AUTO_HEADER_IDS, runnerWithRendererParameters(parameters)) +} + +func TestPrefixMultipleHeaderExtensions(t *testing.T) { + var tests = []string{ + "# Header\n\n# Header {#header}\n\n# Header 1", + "

Header

\n\n

Header

\n\n

Header 1

\n", + } + doTestsBlock(t, tests, EXTENSION_AUTO_HEADER_IDS|EXTENSION_HEADER_IDS) +} + +func TestUnderlineHeaders(t *testing.T) { + var tests = []string{ + "Header 1\n========\n", + "

Header 1

\n", + + "Header 2\n--------\n", + "

Header 2

\n", + + "A\n=\n", + "

A

\n", + + "B\n-\n", + "

B

\n", + + "Paragraph\nHeader\n=\n", + "

Paragraph

\n\n

Header

\n", + + "Header\n===\nParagraph\n", + "

Header

\n\n

Paragraph

\n", + + "Header\n===\nAnother header\n---\n", + "

Header

\n\n

Another header

\n", + + " Header\n======\n", + "

Header

\n", + + " Code\n========\n", + "
Code\n
\n\n

========

\n", + + "Header with *inline*\n=====\n", + "

Header with inline

\n", + + "* List\n * Sublist\n Not a header\n ------\n", + "
    \n
  • List\n\n
      \n
    • Sublist\nNot a header\n------
      • \n
    • \n
\n", + + "Paragraph\n\n\n\n\nHeader\n===\n", + "

Paragraph

\n\n

Header

\n", + + "Trailing space \n==== \n\n", + "

Trailing space

\n", + + "Trailing spaces\n==== \n\n", + "

Trailing spaces

\n", + + "Double underline\n=====\n=====\n", + "

Double underline

\n\n

=====

\n", + } + doTestsBlock(t, tests, 0) +} + +func TestUnderlineHeadersAutoIDs(t *testing.T) { + var tests = []string{ + "Header 1\n========\n", + "

Header 1

\n", + + "Header 2\n--------\n", + "

Header 2

\n", + + "A\n=\n", + "

A

\n", + + "B\n-\n", + "

B

\n", + + "Paragraph\nHeader\n=\n", + "

Paragraph

\n\n

Header

\n", + + "Header\n===\nParagraph\n", + "

Header

\n\n

Paragraph

\n", + + "Header\n===\nAnother header\n---\n", + "

Header

\n\n

Another header

\n", + + " Header\n======\n", + "

Header

\n", + + "Header with *inline*\n=====\n", + "

Header with inline

\n", + + "Paragraph\n\n\n\n\nHeader\n===\n", + "

Paragraph

\n\n

Header

\n", + + "Trailing space \n==== \n\n", + "

Trailing space

\n", + + "Trailing spaces\n==== \n\n", + "

Trailing spaces

\n", + + "Double underline\n=====\n=====\n", + "

Double underline

\n\n

=====

\n", + + "Header\n======\n\nHeader\n======\n", + "

Header

\n\n

Header

\n", + + "Header 1\n========\n\nHeader 1\n========\n", + "

Header 1

\n\n

Header 1

\n", + } + doTestsBlock(t, tests, EXTENSION_AUTO_HEADER_IDS) +} + +func TestHorizontalRule(t *testing.T) { + var tests = []string{ + "-\n", + "

-

\n", + + "--\n", + "

--

\n", + + "---\n", + "
\n", + + "----\n", + "
\n", + + "*\n", + "

*

\n", + + "**\n", + "

**

\n", + + "***\n", + "
\n", + + "****\n", + "
\n", + + "_\n", + "

_

\n", + + "__\n", + "

__

\n", + + "___\n", + "
\n", + + "____\n", + "
\n", + + "-*-\n", + "

-*-

\n", + + "- - -\n", + "
\n", + + "* * *\n", + "
\n", + + "_ _ _\n", + "
\n", + + "-----*\n", + "

-----*

\n", + + " ------ \n", + "
\n", + + "Hello\n***\n", + "

Hello

\n\n
\n", + + "---\n***\n___\n", + "
\n\n
\n\n
\n", + } + doTestsBlock(t, tests, 0) +} + +func TestUnorderedList(t *testing.T) { + var tests = []string{ + "* Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "* Yin\n* Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "* Ting\n* Bong\n* Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "* Yin\n\n* Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "* Ting\n\n* Bong\n* Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "+ Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "+ Yin\n+ Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "+ Ting\n+ Bong\n+ Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "+ Yin\n\n+ Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "+ Ting\n\n+ Bong\n+ Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "- Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "- Yin\n- Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "- Ting\n- Bong\n- Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "- Yin\n\n- Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "- Ting\n\n- Bong\n- Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "*Hello\n", + "

*Hello

\n", + + "* Hello \n", + "
    \n
  • Hello
    • \n
\n", + + "* Hello \n Next line \n", + "
    \n
  • Hello\nNext line
    • \n
\n", + + "Paragraph\n* No linebreak\n", + "

Paragraph\n* No linebreak

\n", + + "Paragraph\n\n* Linebreak\n", + "

Paragraph

\n\n
    \n
  • Linebreak
    • \n
\n", + + "* List\n * Nested list\n", + "
    \n
  • List\n\n
      \n
    • Nested list
      • \n
    • \n
\n", + + "* List\n\n * Nested list\n", + "
    \n

  • List

    \n\n
      \n
    • Nested list
      • \n
    • \n
\n", + + "* List\n Second line\n\n + Nested\n", + "
    \n

  • List\nSecond line

    \n\n
      \n
    • Nested
      • \n
    • \n
\n", + + "* List\n + Nested\n\n Continued\n", + "
    \n

  • List

    \n\n
      \n
    • Nested
      • \n
    \n\n

    Continued

    • \n
\n", + + "* List\n * shallow indent\n", + "
    \n
  • List\n\n
      \n
    • shallow indent
      • \n
    • \n
\n", + + "* List\n" + + " * shallow indent\n" + + " * part of second list\n" + + " * still second\n" + + " * almost there\n" + + " * third level\n", + "
    \n" + + "
  • List\n\n" + + "
      \n" + + "
    • shallow indent
      • \n" + + "
    • part of second list
      • \n" + + "
    • still second
      • \n" + + "
    • almost there\n\n" + + "
        \n" + + "
      • third level
        • \n" + + "
      • \n" + + "
    • \n" + + "
\n", + + "* List\n extra indent, same paragraph\n", + "
    \n
  • List\n extra indent, same paragraph
    • \n
\n", + + "* List\n\n code block\n", + "
    \n

  • List

    \n\n
    code block\n
    • \n
\n", + + "* List\n\n code block with spaces\n", + "
    \n

  • List

    \n\n
      code block with spaces\n
    • \n
\n", + + "* List\n\n * sublist\n\n normal text\n\n * another sublist\n", + "
    \n

  • List

    \n\n
      \n
    • sublist
      • \n
    \n\n

    normal text

    \n\n
      \n
    • another sublist
      • \n
    • \n
\n", + } + doTestsBlock(t, tests, 0) +} + +func TestOrderedList(t *testing.T) { + var tests = []string{ + "1. Hello\n", + "
    \n
  1. Hello
    2. \n
\n", + + "1. Yin\n2. Yang\n", + "
    \n
  1. Yin
    2. \n
  2. Yang
    3. \n
\n", + + "1. Ting\n2. Bong\n3. Goo\n", + "
    \n
  1. Ting
    2. \n
  2. Bong
    3. \n
  3. Goo
    4. \n
\n", + + "1. Yin\n\n2. Yang\n", + "
    \n

  1. Yin

    2. \n\n

  2. Yang

    3. \n
\n", + + "1. Ting\n\n2. Bong\n3. Goo\n", + "
    \n

  1. Ting

    2. \n\n

  2. Bong

    3. \n\n

  3. Goo

    4. \n
\n", + + "1 Hello\n", + "

1 Hello

\n", + + "1.Hello\n", + "

1.Hello

\n", + + "1. Hello \n", + "
    \n
  1. Hello
    2. \n
\n", + + "1. Hello \n Next line \n", + "
    \n
  1. Hello\nNext line
    2. \n
\n", + + "Paragraph\n1. No linebreak\n", + "

Paragraph\n1. No linebreak

\n", + + "Paragraph\n\n1. Linebreak\n", + "

Paragraph

\n\n
    \n
  1. Linebreak
    2. \n
\n", + + "1. List\n 1. Nested list\n", + "
    \n
  1. List\n\n
      \n
    1. Nested list
      2. \n
    2. \n
\n", + + "1. List\n\n 1. Nested list\n", + "
    \n

  1. List

    \n\n
      \n
    1. Nested list
      2. \n
    2. \n
\n", + + "1. List\n Second line\n\n 1. Nested\n", + "
    \n

  1. List\nSecond line

    \n\n
      \n
    1. Nested
      2. \n
    2. \n
\n", + + "1. List\n 1. Nested\n\n Continued\n", + "
    \n

  1. List

    \n\n
      \n
    1. Nested
      2. \n
    \n\n

    Continued

    2. \n
\n", + + "1. List\n 1. shallow indent\n", + "
    \n
  1. List\n\n
      \n
    1. shallow indent
      2. \n
    2. \n
\n", + + "1. List\n" + + " 1. shallow indent\n" + + " 2. part of second list\n" + + " 3. still second\n" + + " 4. almost there\n" + + " 1. third level\n", + "
    \n" + + "
  1. List\n\n" + + "
      \n" + + "
    1. shallow indent
      2. \n" + + "
    2. part of second list
      3. \n" + + "
    3. still second
      4. \n" + + "
    4. almost there\n\n" + + "
        \n" + + "
      1. third level
        2. \n" + + "
      5. \n" + + "
    2. \n" + + "
\n", + + "1. List\n extra indent, same paragraph\n", + "
    \n
  1. List\n extra indent, same paragraph
    2. \n
\n", + + "1. List\n\n code block\n", + "
    \n

  1. List

    \n\n
    code block\n
    2. \n
\n", + + "1. List\n\n code block with spaces\n", + "
    \n

  1. List

    \n\n
      code block with spaces\n
    2. \n
\n", + + "1. List\n * Mixted list\n", + "
    \n
  1. List\n\n
      \n
    • Mixted list
      • \n
    2. \n
\n", + + "1. List\n * Mixed list\n", + "
    \n
  1. List\n\n
      \n
    • Mixed list
      • \n
    2. \n
\n", + + "* Start with unordered\n 1. Ordered\n", + "
    \n
  • Start with unordered\n\n
      \n
    1. Ordered
      2. \n
    • \n
\n", + + "* Start with unordered\n 1. Ordered\n", + "
    \n
  • Start with unordered\n\n
      \n
    1. Ordered
      2. \n
    • \n
\n", + + "1. numbers\n1. are ignored\n", + "
    \n
  1. numbers
    2. \n
  2. are ignored
    3. \n
\n", + } + doTestsBlock(t, tests, 0) +} + +func TestDefinitionList(t *testing.T) { + var tests = []string{ + "Term 1\n: Definition a\n", + "
\n
Term 1
\n
Definition a
\n
\n", + + "Term 1\n: Definition a \n", + "
\n
Term 1
\n
Definition a
\n
\n", + + "Term 1\n: Definition a\n: Definition b\n", + "
\n
Term 1
\n
Definition a
\n
Definition b
\n
\n", + + "Term 1\n: Definition a\n\nTerm 2\n: Definition b\n", + "
\n" + + "
Term 1
\n" + + "
Definition a
\n" + + "
Term 2
\n" + + "
Definition b
\n" + + "
\n", + + "Term 1\n: Definition a\n\nTerm 2\n: Definition b\n\nTerm 3\n: Definition c\n", + "
\n" + + "
Term 1
\n" + + "
Definition a
\n" + + "
Term 2
\n" + + "
Definition b
\n" + + "
Term 3
\n" + + "
Definition c
\n" + + "
\n", + + "Term 1\n: Definition a\n: Definition b\n\nTerm 2\n: Definition c\n", + "
\n" + + "
Term 1
\n" + + "
Definition a
\n" + + "
Definition b
\n" + + "
Term 2
\n" + + "
Definition c
\n" + + "
\n", + + "Term 1\n\n: Definition a\n\nTerm 2\n\n: Definition b\n", + "
\n" + + "
Term 1
\n" + + "

Definition a

\n" + + "
Term 2
\n" + + "

Definition b

\n" + + "
\n", + + "Term 1\n\n: Definition a\n\n: Definition b\n\nTerm 2\n\n: Definition c\n", + "
\n" + + "
Term 1
\n" + + "

Definition a

\n" + + "

Definition b

\n" + + "
Term 2
\n" + + "

Definition c

\n" + + "
\n", + + "Term 1\n: Definition a\nNext line\n", + "
\n
Term 1
\n
Definition a\nNext line
\n
\n", + + "Term 1\n: Definition a\n Next line\n", + "
\n
Term 1
\n
Definition a\nNext line
\n
\n", + + "Term 1\n: Definition a \n Next line \n", + "
\n
Term 1
\n
Definition a\nNext line
\n
\n", + + "Term 1\n: Definition a\nNext line\n\nTerm 2\n: Definition b", + "
\n" + + "
Term 1
\n" + + "
Definition a\nNext line
\n" + + "
Term 2
\n" + + "
Definition b
\n" + + "
\n", + + "Term 1\n: Definition a\n", + "
\n
Term 1
\n
Definition a
\n
\n", + + "Term 1\n:Definition a\n", + "

Term 1\n:Definition a

\n", + + "Term 1\n\n: Definition a\n\nTerm 2\n\n: Definition b\n\nText 1", + "
\n" + + "
Term 1
\n" + + "

Definition a

\n" + + "
Term 2
\n" + + "

Definition b

\n" + + "
\n" + + "\n

Text 1

\n", + + "Term 1\n\n: Definition a\n\nText 1\n\nTerm 2\n\n: Definition b\n\nText 2", + "
\n" + + "
Term 1
\n" + + "

Definition a

\n" + + "
\n" + + "\n

Text 1

\n" + + "\n
\n" + + "
Term 2
\n" + + "

Definition b

\n" + + "
\n" + + "\n

Text 2

\n", + } + doTestsBlock(t, tests, EXTENSION_DEFINITION_LISTS) +} + +func TestPreformattedHtml(t *testing.T) { + var tests = []string{ + "
\n", + "
\n", + + "
\n
\n", + "
\n
\n", + + "
\n
\nParagraph\n", + "

\n
\nParagraph

\n", + + "
\n
\n", + "
\n
\n", + + "
\nAnything here\n
\n", + "
\nAnything here\n
\n", + + "
\n Anything here\n
\n", + "
\n Anything here\n
\n", + + "
\nAnything here\n
\n", + "
\nAnything here\n
\n", + + "
\nThis is *not* &proceessed\n
\n", + "
\nThis is *not* &proceessed\n
\n", + + "\n Something\n\n", + "

\n Something\n

\n", + + "
\n Something here\n\n", + "

\n Something here\n

\n", + + "Paragraph\n
\nHere? >&<\n
\n", + "

Paragraph\n

\nHere? >&<\n

\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\n", + "

Paragraph

\n\n
\nHow about here? >&<\n
\n", + + "Paragraph\n
\nHere? >&<\n
\nAnd here?\n", + "

Paragraph\n

\nHere? >&<\n
\nAnd here?

\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\nAnd here?\n", + "

Paragraph

\n\n

\nHow about here? >&<\n
\nAnd here?

\n", + + "Paragraph\n
\nHere? >&<\n
\n\nAnd here?\n", + "

Paragraph\n

\nHere? >&<\n

\n\n

And here?

\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\n\nAnd here?\n", + "

Paragraph

\n\n
\nHow about here? >&<\n
\n\n

And here?

\n", + } + doTestsBlock(t, tests, 0) +} + +func TestPreformattedHtmlLax(t *testing.T) { + var tests = []string{ + "Paragraph\n
\nHere? >&<\n
\n", + "

Paragraph

\n\n
\nHere? >&<\n
\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\n", + "

Paragraph

\n\n
\nHow about here? >&<\n
\n", + + "Paragraph\n
\nHere? >&<\n
\nAnd here?\n", + "

Paragraph

\n\n
\nHere? >&<\n
\n\n

And here?

\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\nAnd here?\n", + "

Paragraph

\n\n
\nHow about here? >&<\n
\n\n

And here?

\n", + + "Paragraph\n
\nHere? >&<\n
\n\nAnd here?\n", + "

Paragraph

\n\n
\nHere? >&<\n
\n\n

And here?

\n", + + "Paragraph\n\n
\nHow about here? >&<\n
\n\nAnd here?\n", + "

Paragraph

\n\n
\nHow about here? >&<\n
\n\n

And here?

\n", + } + doTestsBlock(t, tests, EXTENSION_LAX_HTML_BLOCKS) +} + +func TestFencedCodeBlock(t *testing.T) { + var tests = []string{ + "``` go\nfunc foo() bool {\n\treturn true;\n}\n```\n", + "
func foo() bool {\n\treturn true;\n}\n
\n", + + "``` c\n/* special & char < > \" escaping */\n```\n", + "
/* special & char < > " escaping */\n
\n", + + "``` c\nno *inline* processing ~~of text~~\n```\n", + "
no *inline* processing ~~of text~~\n
\n", + + "```\nNo language\n```\n", + "
No language\n
\n", + + "``` {ocaml}\nlanguage in braces\n```\n", + "
language in braces\n
\n", + + "``` {ocaml} \nwith extra whitespace\n```\n", + "
with extra whitespace\n
\n", + + "```{ ocaml }\nwith extra whitespace\n```\n", + "
with extra whitespace\n
\n", + + "~ ~~ java\nWith whitespace\n~~~\n", + "

~ ~~ java\nWith whitespace\n~~~

\n", + + "~~\nonly two\n~~\n", + "

~~\nonly two\n~~

\n", + + "```` python\nextra\n````\n", + "
extra\n
\n", + + "~~~ perl\nthree to start, four to end\n~~~~\n", + "

~~~ perl\nthree to start, four to end\n~~~~

\n", + + "~~~~ perl\nfour to start, three to end\n~~~\n", + "

~~~~ perl\nfour to start, three to end\n~~~

\n", + + "~~~ bash\ntildes\n~~~\n", + "
tildes\n
\n", + + "``` lisp\nno ending\n", + "

``` lisp\nno ending

\n", + + "~~~ lisp\nend with language\n~~~ lisp\n", + "

~~~ lisp\nend with language\n~~~ lisp

\n", + + "```\nmismatched begin and end\n~~~\n", + "

```\nmismatched begin and end\n~~~

\n", + + "~~~\nmismatched begin and end\n```\n", + "

~~~\nmismatched begin and end\n```

\n", + + " ``` oz\nleading spaces\n```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + "``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
``` oz\n
\n\n

leading spaces\n ```

\n", + + "Bla bla\n\n``` oz\ncode blocks breakup paragraphs\n```\n\nBla Bla\n", + "

Bla bla

\n\n
code blocks breakup paragraphs\n
\n\n

Bla Bla

\n", + + "Some text before a fenced code block\n``` oz\ncode blocks breakup paragraphs\n```\nAnd some text after a fenced code block", + "

Some text before a fenced code block

\n\n
code blocks breakup paragraphs\n
\n\n

And some text after a fenced code block

\n", + + "`", + "

`

\n", + + "Bla bla\n\n``` oz\ncode blocks breakup paragraphs\n```\n\nBla Bla\n\n``` oz\nmultiple code blocks work okay\n```\n\nBla Bla\n", + "

Bla bla

\n\n
code blocks breakup paragraphs\n
\n\n

Bla Bla

\n\n
multiple code blocks work okay\n
\n\n

Bla Bla

\n", + + "Some text before a fenced code block\n``` oz\ncode blocks breakup paragraphs\n```\nSome text in between\n``` oz\nmultiple code blocks work okay\n```\nAnd some text after a fenced code block", + "

Some text before a fenced code block

\n\n
code blocks breakup paragraphs\n
\n\n

Some text in between

\n\n
multiple code blocks work okay\n
\n\n

And some text after a fenced code block

\n", + } + doTestsBlock(t, tests, EXTENSION_FENCED_CODE) +} + +func TestTable(t *testing.T) { + var tests = []string{ + "a | b\n---|---\nc | d\n", + "\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n
ab
cd
\n", + + "a | b\n---|--\nc | d\n", + "

a | b\n---|--\nc | d

\n", + + "|a|b|c|d|\n|----|----|----|---|\n|e|f|g|h|\n", + "\n\n\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n\n\n
abcd
efgh
\n", + + "*a*|__b__|[c](C)|d\n---|---|---|---\ne|f|g|h\n", + "\n\n\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n\n\n
abcd
efgh
\n", + + "a|b|c\n---|---|---\nd|e|f\ng|h\ni|j|k|l|m\nn|o|p\n", + "\n\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n" + + "\n\n\n\n\n\n" + + "\n\n\n\n\n\n
abc
def
gh
ijk
nop
\n", + + "a|b|c\n---|---|---\n*d*|__e__|f\n", + "\n\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n\n
abc
def
\n", + + "a|b|c|d\n:--|--:|:-:|---\ne|f|g|h\n", + "\n\n\n\n\n" + + "\n\n\n\n\n" + + "\n\n\n\n" + + "\n\n\n\n
abcd
efgh
\n", + + "a|b|c\n---|---|---\n", + "\n\n\n\n\n\n\n\n\n\n\n
abc
\n", + + "a| b|c | d | e\n---|---|---|---|---\nf| g|h | i |j\n", + "\n\n\n\n\n\n\n\n\n\n\n" + + "\n\n\n\n\n\n\n\n\n
abcde
fghij
\n", + + "a|b\\|c|d\n---|---|---\nf|g\\|h|i\n", + "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
ab|cd
fg|hi
\n", + } + doTestsBlock(t, tests, EXTENSION_TABLES) +} + +func TestUnorderedListWith_EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK(t *testing.T) { + var tests = []string{ + "* Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "* Yin\n* Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "* Ting\n* Bong\n* Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "* Yin\n\n* Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "* Ting\n\n* Bong\n* Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "+ Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "+ Yin\n+ Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "+ Ting\n+ Bong\n+ Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "+ Yin\n\n+ Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "+ Ting\n\n+ Bong\n+ Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "- Hello\n", + "
    \n
  • Hello
    • \n
\n", + + "- Yin\n- Yang\n", + "
    \n
  • Yin
    • \n
  • Yang
    • \n
\n", + + "- Ting\n- Bong\n- Goo\n", + "
    \n
  • Ting
    • \n
  • Bong
    • \n
  • Goo
    • \n
\n", + + "- Yin\n\n- Yang\n", + "
    \n

  • Yin

    • \n\n

  • Yang

    • \n
\n", + + "- Ting\n\n- Bong\n- Goo\n", + "
    \n

  • Ting

    • \n\n

  • Bong

    • \n\n

  • Goo

    • \n
\n", + + "*Hello\n", + "

*Hello

\n", + + "* Hello \n", + "
    \n
  • Hello
    • \n
\n", + + "* Hello \n Next line \n", + "
    \n
  • Hello\nNext line
    • \n
\n", + + "Paragraph\n* No linebreak\n", + "

Paragraph

\n\n
    \n
  • No linebreak
    • \n
\n", + + "Paragraph\n\n* Linebreak\n", + "

Paragraph

\n\n
    \n
  • Linebreak
    • \n
\n", + + "* List\n * Nested list\n", + "
    \n
  • List\n\n
      \n
    • Nested list
      • \n
    • \n
\n", + + "* List\n\n * Nested list\n", + "
    \n

  • List

    \n\n
      \n
    • Nested list
      • \n
    • \n
\n", + + "* List\n Second line\n\n + Nested\n", + "
    \n

  • List\nSecond line

    \n\n
      \n
    • Nested
      • \n
    • \n
\n", + + "* List\n + Nested\n\n Continued\n", + "
    \n

  • List

    \n\n
      \n
    • Nested
      • \n
    \n\n

    Continued

    • \n
\n", + + "* List\n * shallow indent\n", + "
    \n
  • List\n\n
      \n
    • shallow indent
      • \n
    • \n
\n", + + "* List\n" + + " * shallow indent\n" + + " * part of second list\n" + + " * still second\n" + + " * almost there\n" + + " * third level\n", + "
    \n" + + "
  • List\n\n" + + "
      \n" + + "
    • shallow indent
      • \n" + + "
    • part of second list
      • \n" + + "
    • still second
      • \n" + + "
    • almost there\n\n" + + "
        \n" + + "
      • third level
        • \n" + + "
      • \n" + + "
    • \n" + + "
\n", + + "* List\n extra indent, same paragraph\n", + "
    \n
  • List\n extra indent, same paragraph
    • \n
\n", + + "* List\n\n code block\n", + "
    \n

  • List

    \n\n
    code block\n
    • \n
\n", + + "* List\n\n code block with spaces\n", + "
    \n

  • List

    \n\n
      code block with spaces\n
    • \n
\n", + + "* List\n\n * sublist\n\n normal text\n\n * another sublist\n", + "
    \n

  • List

    \n\n
      \n
    • sublist
      • \n
    \n\n

    normal text

    \n\n
      \n
    • another sublist
      • \n
    • \n
\n", + } + doTestsBlock(t, tests, EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK) +} + +func TestOrderedList_EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK(t *testing.T) { + var tests = []string{ + "1. Hello\n", + "
    \n
  1. Hello
    2. \n
\n", + + "1. Yin\n2. Yang\n", + "
    \n
  1. Yin
    2. \n
  2. Yang
    3. \n
\n", + + "1. Ting\n2. Bong\n3. Goo\n", + "
    \n
  1. Ting
    2. \n
  2. Bong
    3. \n
  3. Goo
    4. \n
\n", + + "1. Yin\n\n2. Yang\n", + "
    \n

  1. Yin

    2. \n\n

  2. Yang

    3. \n
\n", + + "1. Ting\n\n2. Bong\n3. Goo\n", + "
    \n

  1. Ting

    2. \n\n

  2. Bong

    3. \n\n

  3. Goo

    4. \n
\n", + + "1 Hello\n", + "

1 Hello

\n", + + "1.Hello\n", + "

1.Hello

\n", + + "1. Hello \n", + "
    \n
  1. Hello
    2. \n
\n", + + "1. Hello \n Next line \n", + "
    \n
  1. Hello\nNext line
    2. \n
\n", + + "Paragraph\n1. No linebreak\n", + "

Paragraph

\n\n
    \n
  1. No linebreak
    2. \n
\n", + + "Paragraph\n\n1. Linebreak\n", + "

Paragraph

\n\n
    \n
  1. Linebreak
    2. \n
\n", + + "1. List\n 1. Nested list\n", + "
    \n
  1. List\n\n
      \n
    1. Nested list
      2. \n
    2. \n
\n", + + "1. List\n\n 1. Nested list\n", + "
    \n

  1. List

    \n\n
      \n
    1. Nested list
      2. \n
    2. \n
\n", + + "1. List\n Second line\n\n 1. Nested\n", + "
    \n

  1. List\nSecond line

    \n\n
      \n
    1. Nested
      2. \n
    2. \n
\n", + + "1. List\n 1. Nested\n\n Continued\n", + "
    \n

  1. List

    \n\n
      \n
    1. Nested
      2. \n
    \n\n

    Continued

    2. \n
\n", + + "1. List\n 1. shallow indent\n", + "
    \n
  1. List\n\n
      \n
    1. shallow indent
      2. \n
    2. \n
\n", + + "1. List\n" + + " 1. shallow indent\n" + + " 2. part of second list\n" + + " 3. still second\n" + + " 4. almost there\n" + + " 1. third level\n", + "
    \n" + + "
  1. List\n\n" + + "
      \n" + + "
    1. shallow indent
      2. \n" + + "
    2. part of second list
      3. \n" + + "
    3. still second
      4. \n" + + "
    4. almost there\n\n" + + "
        \n" + + "
      1. third level
        2. \n" + + "
      5. \n" + + "
    2. \n" + + "
\n", + + "1. List\n extra indent, same paragraph\n", + "
    \n
  1. List\n extra indent, same paragraph
    2. \n
\n", + + "1. List\n\n code block\n", + "
    \n

  1. List

    \n\n
    code block\n
    2. \n
\n", + + "1. List\n\n code block with spaces\n", + "
    \n

  1. List

    \n\n
      code block with spaces\n
    2. \n
\n", + + "1. List\n * Mixted list\n", + "
    \n
  1. List\n\n
      \n
    • Mixted list
      • \n
    2. \n
\n", + + "1. List\n * Mixed list\n", + "
    \n
  1. List\n\n
      \n
    • Mixed list
      • \n
    2. \n
\n", + + "* Start with unordered\n 1. Ordered\n", + "
    \n
  • Start with unordered\n\n
      \n
    1. Ordered
      2. \n
    • \n
\n", + + "* Start with unordered\n 1. Ordered\n", + "
    \n
  • Start with unordered\n\n
      \n
    1. Ordered
      2. \n
    • \n
\n", + + "1. numbers\n1. are ignored\n", + "
    \n
  1. numbers
    2. \n
  2. are ignored
    3. \n
\n", + } + doTestsBlock(t, tests, EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK) +} + +func TestFencedCodeBlock_EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK(t *testing.T) { + var tests = []string{ + "``` go\nfunc foo() bool {\n\treturn true;\n}\n```\n", + "
func foo() bool {\n\treturn true;\n}\n
\n", + + "``` c\n/* special & char < > \" escaping */\n```\n", + "
/* special & char < > " escaping */\n
\n", + + "``` c\nno *inline* processing ~~of text~~\n```\n", + "
no *inline* processing ~~of text~~\n
\n", + + "```\nNo language\n```\n", + "
No language\n
\n", + + "``` {ocaml}\nlanguage in braces\n```\n", + "
language in braces\n
\n", + + "``` {ocaml} \nwith extra whitespace\n```\n", + "
with extra whitespace\n
\n", + + "```{ ocaml }\nwith extra whitespace\n```\n", + "
with extra whitespace\n
\n", + + "~ ~~ java\nWith whitespace\n~~~\n", + "

~ ~~ java\nWith whitespace\n~~~

\n", + + "~~\nonly two\n~~\n", + "

~~\nonly two\n~~

\n", + + "```` python\nextra\n````\n", + "
extra\n
\n", + + "~~~ perl\nthree to start, four to end\n~~~~\n", + "

~~~ perl\nthree to start, four to end\n~~~~

\n", + + "~~~~ perl\nfour to start, three to end\n~~~\n", + "

~~~~ perl\nfour to start, three to end\n~~~

\n", + + "~~~ bash\ntildes\n~~~\n", + "
tildes\n
\n", + + "``` lisp\nno ending\n", + "

``` lisp\nno ending

\n", + + "~~~ lisp\nend with language\n~~~ lisp\n", + "

~~~ lisp\nend with language\n~~~ lisp

\n", + + "```\nmismatched begin and end\n~~~\n", + "

```\nmismatched begin and end\n~~~

\n", + + "~~~\nmismatched begin and end\n```\n", + "

~~~\nmismatched begin and end\n```

\n", + + " ``` oz\nleading spaces\n```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + "``` oz\nleading spaces\n ```\n", + "
leading spaces\n
\n", + + " ``` oz\nleading spaces\n ```\n", + "
``` oz\n
\n\n

leading spaces

\n\n
```\n
\n", + } + doTestsBlock(t, tests, EXTENSION_FENCED_CODE|EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK) +} + +func TestTitleBlock_EXTENSION_TITLEBLOCK(t *testing.T) { + var tests = []string{ + "% Some title\n" + + "% Another title line\n" + + "% Yep, more here too\n", + "

" + + "Some title\n" + + "Another title line\n" + + "Yep, more here too\n" + + "

", + } + + doTestsBlock(t, tests, EXTENSION_TITLEBLOCK) + +} diff --git a/vendor/github.com/russross/blackfriday/html.go b/vendor/github.com/russross/blackfriday/html.go new file mode 100644 index 00000000..264aae58 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/html.go @@ -0,0 +1,948 @@ +// +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. +// + +// +// +// HTML rendering backend +// +// + +package blackfriday + +import ( + "bytes" + "fmt" + "regexp" + "strconv" + "strings" +) + +// Html renderer configuration options. +const ( + HTML_SKIP_HTML = 1 << iota // skip preformatted HTML blocks + HTML_SKIP_STYLE // skip embedded