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Update blackfriday dependency per #2994 (#3857)

Browse Source 
Signed-off-by: PJ Eby <pje@telecommunity.com>
This commit is contained in:
PJ Eby 2018-04-29 01:07:36 -04:00 committed by Lunny Xiao
parent 76106ab080
commit fc36567ee1
9 changed files with 292 additions and 110 deletions
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165
vendor/github.com/russross/blackfriday/README.md generated vendored
View File

@ -1,4 +1,6 @@
Blackfriday [![Build Status](https://travis-ci.org/russross/blackfriday.svg?branch=master)](https://travis-ci.org/russross/blackfriday) [![GoDoc](https://godoc.org/github.com/russross/blackfriday?status.svg)](https://godoc.org/github.com/russross/blackfriday)
Blackfriday
[![Build Status][BuildSVG]][BuildURL]
[![Godoc][GodocV2SVG]][GodocV2URL]
===========
Blackfriday is a [Markdown][1] processor implemented in [Go][2]. It
@ -8,7 +10,7 @@ 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.
extensions.
It started as a translation from C of [Sundown][3].
@ -16,26 +18,71 @@ 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.
Blackfriday is compatible with any modern Go release. With Go and git installed:
With Go 1 and git installed:
go get -u gopkg.in/russross/blackfriday.v2
go get github.com/russross/blackfriday
will download, compile, and install the package into your `$GOPATH` directory
hierarchy.
will download, compile, and install the package into your `$GOPATH`
directory hierarchy. Alternatively, you can achieve the same if you
import it into a project:
import "github.com/russross/blackfriday"
Versions
--------
Currently maintained and recommended version of Blackfriday is `v2`. It's being
developed on its own branch: https://github.com/russross/blackfriday/tree/v2 and the
documentation is available at
https://godoc.org/gopkg.in/russross/blackfriday.v2.
It is `go get`-able via [gopkg.in][6] at `gopkg.in/russross/blackfriday.v2`,
but we highly recommend using package management tool like [dep][7] or
[Glide][8] and make use of semantic versioning. With package management you
should import `github.com/russross/blackfriday` and specify that you're using
version 2.0.0.
Version 2 offers a number of improvements over v1:
* Cleaned up API
* A separate call to [`Parse`][4], which produces an abstract syntax tree for
the document
* Latest bug fixes
* Flexibility to easily add your own rendering extensions
Potential drawbacks:
* Our benchmarks show v2 to be slightly slower than v1. Currently in the
ballpark of around 15%.
* API breakage. If you can't afford modifying your code to adhere to the new API
and don't care too much about the new features, v2 is probably not for you.
* Several bug fixes are trailing behind and still need to be forward-ported to
v2. See issue [#348](https://github.com/russross/blackfriday/issues/348) for
tracking.
If you are still interested in the legacy `v1`, you can import it from
`github.com/russross/blackfriday`. Documentation for the legacy v1 can be found
here: https://godoc.org/github.com/russross/blackfriday
### Known issue with `dep`
There is a known problem with using Blackfriday v1 _transitively_ and `dep`.
Currently `dep` prioritizes semver versions over anything else, and picks the
latest one, plus it does not apply a `[[constraint]]` specifier to transitively
pulled in packages. So if you're using something that uses Blackfriday v1, but
that something does not use `dep` yet, you will get Blackfriday v2 pulled in and
your first dependency will fail to build.
There are couple of fixes for it, documented here:
https://github.com/golang/dep/blob/master/docs/FAQ.md#how-do-i-constrain-a-transitive-dependencys-version
Meanwhile, `dep` team is working on a more general solution to the constraints
on transitive dependencies problem: https://github.com/golang/dep/issues/1124.
and `go get` without parameters.
Usage
-----
### v1
For basic usage, it is as simple as getting your input into a byte
slice and calling:
@ -46,34 +93,57 @@ feature set, use this instead:
output := blackfriday.MarkdownCommon(input)
### v2
For the most sensible markdown processing, it is as simple as getting your input
into a byte slice and calling:
```go
output := blackfriday.Run(input)
```
Your input will be parsed and the output rendered with a set of most popular
extensions enabled. If you want the most basic feature set, corresponding with
the bare Markdown specification, use:
```go
output := blackfriday.Run(input, blackfriday.WithNoExtensions())
```
### 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).
dealing with user-supplied markdown, we recommend running Blackfriday's output
through HTML sanitizer such as [Bluemonday][5].
Here's an example of simple usage of blackfriday together with bluemonday:
Here's an example of simple usage of Blackfriday together with Bluemonday:
``` go
```go
import (
"github.com/microcosm-cc/bluemonday"
"github.com/russross/blackfriday"
"gopkg.in/russross/blackfriday.v2"
)
// ...
unsafe := blackfriday.MarkdownCommon(input)
unsafe := blackfriday.Run(input)
html := bluemonday.UGCPolicy().SanitizeBytes(unsafe)
```
### Custom options
### Custom options, v1
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
(currently only the HTML output engine), then use it to
call the more general `Markdown` function. For examples, see the
implementations of `MarkdownBasic` and `MarkdownCommon` in
`markdown.go`.
### Custom options, v2
If you want to customize the set of options, use `blackfriday.WithExtensions`,
`blackfriday.WithRenderer` and `blackfriday.WithRefOverride`.
### `blackfriday-tool`
You can also check out `blackfriday-tool` for a more complete example
of how to use it. Download and install it using:
@ -93,6 +163,22 @@ 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.
### Sanitized anchor names
Blackfriday includes an algorithm for creating sanitized anchor names
corresponding to a given input text. This algorithm is used to create
anchors for headings when `EXTENSION_AUTO_HEADER_IDS` is enabled. The
algorithm has a specification, so that other packages can create
compatible anchor names and links to those anchors.
The specification is located at https://godoc.org/github.com/russross/blackfriday#hdr-Sanitized_Anchor_Names.
[`SanitizedAnchorName`](https://godoc.org/github.com/russross/blackfriday#SanitizedAnchorName) exposes this functionality, and can be used to
create compatible links to the anchor names generated by blackfriday.
This algorithm is also implemented in a small standalone package at
[`github.com/shurcooL/sanitized_anchor_name`](https://godoc.org/github.com/shurcooL/sanitized_anchor_name). It can be useful for clients
that want a small package and don't need full functionality of blackfriday.
Features
--------
@ -233,7 +319,7 @@ 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.
highlighting, clickable heading 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),
@ -242,27 +328,18 @@ are a few of note:
* [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.
* [Md2Vim](https://github.com/FooSoft/md2vim): transforms markdown files into vimdoc format.
* [LaTeX output](https://bitbucket.org/ambrevar/blackfriday-latex):
renders output as LaTeX.
Todo
TODO
----
* More unit testing
* Improve unicode support. It does not understand all unicode
* 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.
some instances. It is safe on all UTF-8 input.
License
@ -271,6 +348,16 @@ License
[Blackfriday is distributed under the Simplified BSD License](LICENSE.txt)
[1]: http://daringfireball.net/projects/markdown/ "Markdown"
[2]: http://golang.org/ "Go Language"
[1]: https://daringfireball.net/projects/markdown/ "Markdown"
[2]: https://golang.org/ "Go Language"
[3]: https://github.com/vmg/sundown "Sundown"
[4]: https://godoc.org/gopkg.in/russross/blackfriday.v2#Parse "Parse func"
[5]: https://github.com/microcosm-cc/bluemonday "Bluemonday"
[6]: https://labix.org/gopkg.in "gopkg.in"
[7]: https://github.com/golang/dep/ "dep"
[8]: https://github.com/Masterminds/glide "Glide"
[BuildSVG]: https://travis-ci.org/russross/blackfriday.svg?branch=master
[BuildURL]: https://travis-ci.org/russross/blackfriday
[GodocV2SVG]: https://godoc.org/gopkg.in/russross/blackfriday.v2?status.svg
[GodocV2URL]: https://godoc.org/gopkg.in/russross/blackfriday.v2

67
vendor/github.com/russross/blackfriday/block.go generated vendored
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@ -15,8 +15,8 @@ package blackfriday
import (
"bytes"
"github.com/shurcooL/sanitized_anchor_name"
"strings"
"unicode"
)
// Parse block-level data.
@ -93,7 +93,7 @@ func (p *parser) block(out *bytes.Buffer, data []byte) {
// fenced code block:
//
// ``` go
// ``` go info string here
// func fact(n int) int {
// if n <= 1 {
// return n
@ -243,7 +243,7 @@ func (p *parser) prefixHeader(out *bytes.Buffer, data []byte) int {
}
if end > i {
if id == "" && p.flags&EXTENSION_AUTO_HEADER_IDS != 0 {
id = sanitized_anchor_name.Create(string(data[i:end]))
id = SanitizedAnchorName(string(data[i:end]))
}
work := func() bool {
p.inline(out, data[i:end])
@ -563,7 +563,7 @@ func (*parser) isHRule(data []byte) bool {
// and returns the end index if so, or 0 otherwise. It also returns the marker found.
// If syntax is not nil, it gets set to the syntax specified in the fence line.
// A final newline is mandatory to recognize the fence line, unless newlineOptional is true.
func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional bool) (end int, marker string) {
func isFenceLine(data []byte, info *string, oldmarker string, newlineOptional bool) (end int, marker string) {
i, size := 0, 0
// skip up to three spaces
@ -599,9 +599,9 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
}
// TODO(shurcooL): It's probably a good idea to simplify the 2 code paths here
// into one, always get the syntax, and discard it if the caller doesn't care.
if syntax != nil {
syn := 0
// into one, always get the info string, and discard it if the caller doesn't care.
if info != nil {
infoLength := 0
i = skipChar(data, i, ' ')
if i >= len(data) {
@ -611,14 +611,14 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
return 0, ""
}
syntaxStart := i
infoStart := i
if data[i] == '{' {
i++
syntaxStart++
infoStart++
for i < len(data) && data[i] != '}' && data[i] != '\n' {
syn++
infoLength++
i++
}
@ -628,24 +628,24 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
// strip all whitespace at the beginning and the end
// of the {} block
for syn > 0 && isspace(data[syntaxStart]) {
syntaxStart++
syn--
for infoLength > 0 && isspace(data[infoStart]) {
infoStart++
infoLength--
}
for syn > 0 && isspace(data[syntaxStart+syn-1]) {
syn--
for infoLength > 0 && isspace(data[infoStart+infoLength-1]) {
infoLength--
}
i++
} else {
for i < len(data) && !isspace(data[i]) {
syn++
for i < len(data) && !isverticalspace(data[i]) {
infoLength++
i++
}
}
*syntax = string(data[syntaxStart : syntaxStart+syn])
*info = strings.TrimSpace(string(data[infoStart : infoStart+infoLength]))
}
i = skipChar(data, i, ' ')
@ -663,8 +663,8 @@ func isFenceLine(data []byte, syntax *string, oldmarker string, newlineOptional
// or 0 otherwise. It writes to out if doRender is true, otherwise it has no side effects.
// If doRender is true, a final newline is mandatory to recognize the fenced code block.
func (p *parser) fencedCodeBlock(out *bytes.Buffer, data []byte, doRender bool) int {
var syntax string
beg, marker := isFenceLine(data, &syntax, "", false)
var infoString string
beg, marker := isFenceLine(data, &infoString, "", false)
if beg == 0 || beg >= len(data) {
return 0
}
@ -698,7 +698,7 @@ func (p *parser) fencedCodeBlock(out *bytes.Buffer, data []byte, doRender bool)
}
if doRender {
p.r.BlockCode(out, work.Bytes(), syntax)
p.r.BlockCode(out, work.Bytes(), infoString)
}
return beg
@ -1364,7 +1364,7 @@ func (p *parser) paragraph(out *bytes.Buffer, data []byte) int {
id := ""
if p.flags&EXTENSION_AUTO_HEADER_IDS != 0 {
id = sanitized_anchor_name.Create(string(data[prev:eol]))
id = SanitizedAnchorName(string(data[prev:eol]))
}
p.r.Header(out, work, level, id)
@ -1428,3 +1428,24 @@ func (p *parser) paragraph(out *bytes.Buffer, data []byte) int {
p.renderParagraph(out, data[:i])
return i
}
// SanitizedAnchorName returns a sanitized anchor name for the given text.
//
// It implements the algorithm specified in the package comment.
func SanitizedAnchorName(text string) string {
var anchorName []rune
futureDash := false
for _, r := range text {
switch {
case unicode.IsLetter(r) || unicode.IsNumber(r):
if futureDash && len(anchorName) > 0 {
anchorName = append(anchorName, '-')
}
futureDash = false
anchorName = append(anchorName, unicode.ToLower(r))
default:
futureDash = true
}
}
return string(anchorName)
}

32
vendor/github.com/russross/blackfriday/doc.go generated vendored Normal file
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@ -0,0 +1,32 @@
// Package blackfriday is a Markdown processor.
//
// It translates plain text with simple formatting rules into HTML or LaTeX.
//
// Sanitized Anchor Names
//
// Blackfriday includes an algorithm for creating sanitized anchor names
// corresponding to a given input text. This algorithm is used to create
// anchors for headings when EXTENSION_AUTO_HEADER_IDS is enabled. The
// algorithm is specified below, so that other packages can create
// compatible anchor names and links to those anchors.
//
// The algorithm iterates over the input text, interpreted as UTF-8,
// one Unicode code point (rune) at a time. All runes that are letters (category L)
// or numbers (category N) are considered valid characters. They are mapped to
// lower case, and included in the output. All other runes are considered
// invalid characters. Invalid characters that preceed the first valid character,
// as well as invalid character that follow the last valid character
// are dropped completely. All other sequences of invalid characters
// between two valid characters are replaced with a single dash character '-'.
//
// SanitizedAnchorName exposes this functionality, and can be used to
// create compatible links to the anchor names generated by blackfriday.
// This algorithm is also implemented in a small standalone package at
// github.com/shurcooL/sanitized_anchor_name. It can be useful for clients
// that want a small package and don't need full functionality of blackfriday.
package blackfriday
// NOTE: Keep Sanitized Anchor Name algorithm in sync with package
// github.com/shurcooL/sanitized_anchor_name.
// Otherwise, users of sanitized_anchor_name will get anchor names
// that are incompatible with those generated by blackfriday.

31
vendor/github.com/russross/blackfriday/html.go generated vendored
View File

@ -42,6 +42,7 @@ const (
HTML_SMARTYPANTS_DASHES // enable smart dashes (with HTML_USE_SMARTYPANTS)
HTML_SMARTYPANTS_LATEX_DASHES // enable LaTeX-style dashes (with HTML_USE_SMARTYPANTS and HTML_SMARTYPANTS_DASHES)
HTML_SMARTYPANTS_ANGLED_QUOTES // enable angled double quotes (with HTML_USE_SMARTYPANTS) for double quotes rendering
HTML_SMARTYPANTS_QUOTES_NBSP // enable "French guillemets" (with HTML_USE_SMARTYPANTS)
HTML_FOOTNOTE_RETURN_LINKS // generate a link at the end of a footnote to return to the source
)
@ -254,33 +255,21 @@ func (options *Html) HRule(out *bytes.Buffer) {
out.WriteByte('\n')
}
func (options *Html) BlockCode(out *bytes.Buffer, text []byte, lang string) {
func (options *Html) BlockCode(out *bytes.Buffer, text []byte, info string) {
doubleSpace(out)
// parse out the language names/classes
count := 0
for _, elt := range strings.Fields(lang) {
if elt[0] == '.' {
elt = elt[1:]
}
if len(elt) == 0 {
continue
}
if count == 0 {
out.WriteString("<pre><code class=\"language-")
} else {
out.WriteByte(' ')
}
attrEscape(out, []byte(elt))
count++
endOfLang := strings.IndexAny(info, "\t ")
if endOfLang < 0 {
endOfLang = len(info)
}
if count == 0 {
lang := info[:endOfLang]
if len(lang) == 0 || lang == "." {
out.WriteString("<pre><code>")
} else {
out.WriteString("<pre><code class=\"language-")
attrEscape(out, []byte(lang))
out.WriteString("\">")
}
attrEscape(out, text)
out.WriteString("</code></pre>\n")
}
@ -619,7 +608,7 @@ func (options *Html) FootnoteRef(out *bytes.Buffer, ref []byte, id int) {
out.WriteString(`fnref:`)
out.WriteString(options.parameters.FootnoteAnchorPrefix)
out.Write(slug)
out.WriteString(`"><a rel="footnote" href="#`)
out.WriteString(`"><a href="#`)
out.WriteString(`fn:`)
out.WriteString(options.parameters.FootnoteAnchorPrefix)
out.Write(slug)

8
vendor/github.com/russross/blackfriday/inline.go generated vendored
View File

@ -170,6 +170,10 @@ func lineBreak(p *parser, out *bytes.Buffer, data []byte, offset int) int {
precededByBackslash := offset >= 1 && data[offset-1] == '\\' // see http://spec.commonmark.org/0.18/#example-527
precededByBackslash = precededByBackslash && p.flags&EXTENSION_BACKSLASH_LINE_BREAK != 0
if p.flags&EXTENSION_JOIN_LINES != 0 {
return 1
}
// should there be a hard line break here?
if p.flags&EXTENSION_HARD_LINE_BREAK == 0 && !precededByTwoSpaces && !precededByBackslash {
return 0
@ -484,6 +488,7 @@ func link(p *parser, out *bytes.Buffer, data []byte, offset int) int {
}
p.notes = append(p.notes, ref)
p.notesRecord[string(ref.link)] = struct{}{}
link = ref.link
title = ref.title
@ -494,9 +499,10 @@ func link(p *parser, out *bytes.Buffer, data []byte, offset int) int {
return 0
}
if t == linkDeferredFootnote {
if t == linkDeferredFootnote && !p.isFootnote(lr) {
lr.noteId = len(p.notes) + 1
p.notes = append(p.notes, lr)
p.notesRecord[string(lr.link)] = struct{}{}
}
// keep link and title from reference

8
vendor/github.com/russross/blackfriday/latex.go generated vendored
View File

@ -17,6 +17,7 @@ package blackfriday
import (
"bytes"
"strings"
)
// Latex is a type that implements the Renderer interface for LaTeX output.
@ -39,16 +40,17 @@ func (options *Latex) GetFlags() int {
}
// render code chunks using verbatim, or listings if we have a language
func (options *Latex) BlockCode(out *bytes.Buffer, text []byte, lang string) {
if lang == "" {
func (options *Latex) BlockCode(out *bytes.Buffer, text []byte, info string) {
if info == "" {
out.WriteString("\n\\begin{verbatim}\n")
} else {
lang := strings.Fields(info)[0]
out.WriteString("\n\\begin{lstlisting}[language=")
out.WriteString(lang)
out.WriteString("]\n")
}
out.Write(text)
if lang == "" {
if info == "" {
out.WriteString("\n\\end{verbatim}\n")
} else {
out.WriteString("\n\\end{lstlisting}\n")

27
vendor/github.com/russross/blackfriday/markdown.go generated vendored
View File

@ -13,9 +13,6 @@
//
//
// Blackfriday markdown processor.
//
// Translates plain text with simple formatting rules into HTML or LaTeX.
package blackfriday
import (
@ -46,6 +43,7 @@ const (
EXTENSION_AUTO_HEADER_IDS // Create the header ID from the text
EXTENSION_BACKSLASH_LINE_BREAK // translate trailing backslashes into line breaks
EXTENSION_DEFINITION_LISTS // render definition lists
EXTENSION_JOIN_LINES // delete newline and join lines
commonHtmlFlags = 0 |
HTML_USE_XHTML |
@ -161,7 +159,7 @@ var blockTags = map[string]struct{}{
// Currently Html and Latex implementations are provided
type Renderer interface {
// block-level callbacks
BlockCode(out *bytes.Buffer, text []byte, lang string)
BlockCode(out *bytes.Buffer, text []byte, infoString string)
BlockQuote(out *bytes.Buffer, text []byte)
BlockHtml(out *bytes.Buffer, text []byte)
Header(out *bytes.Buffer, text func() bool, level int, id string)
@ -220,7 +218,8 @@ type parser struct {
// Footnotes need to be ordered as well as available to quickly check for
// presence. If a ref is also a footnote, it's stored both in refs and here
// in notes. Slice is nil if footnotes not enabled.
notes []*reference
notes []*reference
notesRecord map[string]struct{}
}
func (p *parser) getRef(refid string) (ref *reference, found bool) {
@ -243,6 +242,11 @@ func (p *parser) getRef(refid string) (ref *reference, found bool) {
return ref, found
}
func (p *parser) isFootnote(ref *reference) bool {
_, ok := p.notesRecord[string(ref.link)]
return ok
}
//
//
// Public interface
@ -378,6 +382,7 @@ func MarkdownOptions(input []byte, renderer Renderer, opts Options) []byte {
if extensions&EXTENSION_FOOTNOTES != 0 {
p.notes = make([]*reference, 0)
p.notesRecord = make(map[string]struct{})
}
first := firstPass(p, input)
@ -799,7 +804,17 @@ func ispunct(c byte) bool {
// Test if a character is a whitespace character.
func isspace(c byte) bool {
return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v'
return ishorizontalspace(c) || isverticalspace(c)
}
// Test if a character is a horizontal whitespace character.
func ishorizontalspace(c byte) bool {
return c == ' ' || c == '\t'
}
// Test if a character is a vertical whitespace character.
func isverticalspace(c byte) bool {
return c == '\n' || c == '\r' || c == '\f' || c == '\v'
}
// Test if a character is letter.

58
vendor/github.com/russross/blackfriday/smartypants.go generated vendored
View File

@ -39,7 +39,7 @@ func isdigit(c byte) bool {
return c >= '0' && c <= '9'
}
func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote byte, isOpen *bool) bool {
func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote byte, isOpen *bool, addNBSP bool) bool {
// edge of the buffer is likely to be a tag that we don't get to see,
// so we treat it like text sometimes
@ -96,6 +96,12 @@ func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote
*isOpen = false
}
// Note that with the limited lookahead, this non-breaking
// space will also be appended to single double quotes.
if addNBSP && !*isOpen {
out.WriteString("&nbsp;")
}
out.WriteByte('&')
if *isOpen {
out.WriteByte('l')
@ -104,6 +110,11 @@ func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote
}
out.WriteByte(quote)
out.WriteString("quo;")
if addNBSP && *isOpen {
out.WriteString("&nbsp;")
}
return true
}
@ -116,7 +127,7 @@ func smartSingleQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byt
if len(text) >= 3 {
nextChar = text[2]
}
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote, false) {
return 1
}
}
@ -141,7 +152,7 @@ func smartSingleQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byt
if len(text) > 1 {
nextChar = text[1]
}
if smartQuoteHelper(out, previousChar, nextChar, 's', &smrt.inSingleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 's', &smrt.inSingleQuote, false) {
return 0
}
@ -205,13 +216,13 @@ func smartDashLatex(out *bytes.Buffer, smrt *smartypantsData, previousChar byte,
return 0
}
func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte, quote byte) int {
func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte, quote byte, addNBSP bool) int {
if bytes.HasPrefix(text, []byte("&quot;")) {
nextChar := byte(0)
if len(text) >= 7 {
nextChar = text[6]
}
if smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote, addNBSP) {
return 5
}
}
@ -224,12 +235,15 @@ func smartAmpVariant(out *bytes.Buffer, smrt *smartypantsData, previousChar byte
return 0
}
func smartAmp(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, 'd')
}
func smartAmp(angledQuotes, addNBSP bool) func(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
var quote byte = 'd'
if angledQuotes {
quote = 'a'
}
func smartAmpAngledQuote(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, 'a')
return func(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
return smartAmpVariant(out, smrt, previousChar, text, quote, addNBSP)
}
}
func smartPeriod(out *bytes.Buffer, smrt *smartypantsData, previousChar byte, text []byte) int {
@ -253,7 +267,7 @@ func smartBacktick(out *bytes.Buffer, smrt *smartypantsData, previousChar byte,
if len(text) >= 3 {
nextChar = text[2]
}
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote) {
if smartQuoteHelper(out, previousChar, nextChar, 'd', &smrt.inDoubleQuote, false) {
return 1
}
}
@ -337,7 +351,7 @@ func smartDoubleQuoteVariant(out *bytes.Buffer, smrt *smartypantsData, previousC
if len(text) > 1 {
nextChar = text[1]
}
if !smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote) {
if !smartQuoteHelper(out, previousChar, nextChar, quote, &smrt.inDoubleQuote, false) {
out.WriteString("&quot;")
}
@ -367,14 +381,30 @@ type smartCallback func(out *bytes.Buffer, smrt *smartypantsData, previousChar b
type smartypantsRenderer [256]smartCallback
var (
smartAmpAngled = smartAmp(true, false)
smartAmpAngledNBSP = smartAmp(true, true)
smartAmpRegular = smartAmp(false, false)
smartAmpRegularNBSP = smartAmp(false, true)
)
func smartypants(flags int) *smartypantsRenderer {
r := new(smartypantsRenderer)
addNBSP := flags&HTML_SMARTYPANTS_QUOTES_NBSP != 0
if flags&HTML_SMARTYPANTS_ANGLED_QUOTES == 0 {
r['"'] = smartDoubleQuote
r['&'] = smartAmp
if !addNBSP {
r['&'] = smartAmpRegular
} else {
r['&'] = smartAmpRegularNBSP
}
} else {
r['"'] = smartAngledDoubleQuote
r['&'] = smartAmpAngledQuote
if !addNBSP {
r['&'] = smartAmpAngled
} else {
r['&'] = smartAmpAngledNBSP
}
}
r['\''] = smartSingleQuote
r['('] = smartParens

6
vendor/vendor.json vendored
View File

@ -1174,10 +1174,10 @@
"revisionTime": "2016-09-12T16:18:15Z"
},
{
"checksumSHA1": "c7jHQZk5ZEsFR9EXsWJXkszPBZA=",
"checksumSHA1": "Ne3D+KJs1TU2trnDy1UCSwlXbAE=",
"path": "github.com/russross/blackfriday",
"revision": "5f33e7b7878355cd2b7e6b8eefc48a5472c69f70",
"revisionTime": "2016-10-03T16:27:22Z"
"revision": "11635eb403ff09dbc3a6b5a007ab5ab09151c229",
"revisionTime": "2018-04-28T10:25:19Z"
},
{
"checksumSHA1": "zmC8/3V4ls53DJlNTKDZwPSC/dA=",