diff options
Diffstat (limited to 'vendor/github.com/russross/blackfriday/block.go')
| -rw-r--r-- | vendor/github.com/russross/blackfriday/block.go | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/vendor/github.com/russross/blackfriday/block.go b/vendor/github.com/russross/blackfriday/block.go index 9cf451f0..7fc731d5 100644 --- a/vendor/github.com/russross/blackfriday/block.go +++ b/vendor/github.com/russross/blackfriday/block.go @@ -15,8 +15,7 @@ package blackfriday import ( "bytes" - - "github.com/shurcooL/sanitized_anchor_name" + "unicode" ) // Parse block-level data. @@ -243,7 +242,7 @@ 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]) @@ -1364,7 +1363,7 @@ 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 +1427,24 @@ 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) +} |