diff options
Diffstat (limited to 'vendor/gitlab.com/golang-commonmark/markdown/smartquotes.go')
| -rw-r--r-- | vendor/gitlab.com/golang-commonmark/markdown/smartquotes.go | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/vendor/gitlab.com/golang-commonmark/markdown/smartquotes.go b/vendor/gitlab.com/golang-commonmark/markdown/smartquotes.go deleted file mode 100644 index cbfa9c58..00000000 --- a/vendor/gitlab.com/golang-commonmark/markdown/smartquotes.go +++ /dev/null @@ -1,256 +0,0 @@ -// Copyright 2015 The Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package markdown - -import ( - "strings" - "unicode" - "unicode/utf8" -) - -func nextQuoteIndex(s []rune, from int) int { - for i := from; i < len(s); i++ { - r := s[i] - if r == '\'' || r == '"' { - return i - } - } - return -1 -} - -func firstRune(s string) rune { - for _, r := range s { - return r - } - return utf8.RuneError -} - -func replaceQuotes(tokens []Token, s *StateCore) { - type stackItem struct { - token int - text []rune - pos int - single bool - level int - } - var stack []stackItem - var changed map[int][]rune - - for i, tok := range tokens { - thisLevel := tok.Level() - - j := len(stack) - 1 - for j >= 0 { - if stack[j].level <= thisLevel { - break - } - j-- - } - stack = stack[:j+1] - - tok, ok := tok.(*Text) - if !ok || !strings.ContainsAny(tok.Content, `"'`) { - continue - } - - text := []rune(tok.Content) - pos := 0 - max := len(text) - - loop: - for pos < max { - index := nextQuoteIndex(text, pos) - if index < 0 { - break - } - - canOpen := true - canClose := true - pos = index + 1 - isSingle := text[index] == '\'' - - lastChar := ' ' - if index-1 > 0 { - lastChar = text[index-1] - } else { - loop1: - for j := i - 1; j >= 0; j-- { - switch tok := tokens[j].(type) { - case *Softbreak: - break loop1 - case *Hardbreak: - break loop1 - case *Text: - lastChar, _ = utf8.DecodeLastRuneInString(tok.Content) - break loop1 - default: - continue - } - } - } - - nextChar := ' ' - if pos < max { - nextChar = text[pos] - } else { - loop2: - for j := i + 1; j < len(tokens); j++ { - switch tok := tokens[j].(type) { - case *Softbreak: - break loop2 - case *Hardbreak: - break loop2 - case *Text: - nextChar, _ = utf8.DecodeRuneInString(tok.Content) - break loop2 - default: - continue - } - } - } - - isLastPunct := isMdAsciiPunct(lastChar) || unicode.IsPunct(lastChar) - isNextPunct := isMdAsciiPunct(nextChar) || unicode.IsPunct(nextChar) - isLastWhiteSpace := unicode.IsSpace(lastChar) - isNextWhiteSpace := unicode.IsSpace(nextChar) - - if isNextWhiteSpace { - canOpen = false - } else if isNextPunct { - if !(isLastWhiteSpace || isLastPunct) { - canOpen = false - } - } - - if isLastWhiteSpace { - canClose = false - } else if isLastPunct { - if !(isNextWhiteSpace || isNextPunct) { - canClose = false - } - } - - if nextChar == '"' && text[index] == '"' { - if lastChar >= '0' && lastChar <= '9' { - canClose = false - canOpen = false - } - } - - if canOpen && canClose { - canOpen = false - canClose = isNextPunct - } - - if !canOpen && !canClose { - if isSingle { - text[index] = '’' - if changed == nil { - changed = make(map[int][]rune) - } - changed[i] = text - } - continue - } - - if canClose { - for j := len(stack) - 1; j >= 0; j-- { - item := stack[j] - if item.level < thisLevel { - break - } - if item.single == isSingle && item.level == thisLevel { - if changed == nil { - changed = make(map[int][]rune) - } - - var q1, q2 string - if isSingle { - q1 = s.Md.options.Quotes[2] - q2 = s.Md.options.Quotes[3] - } else { - q1 = s.Md.options.Quotes[0] - q2 = s.Md.options.Quotes[1] - } - - if utf8.RuneCountInString(q1) == 1 && utf8.RuneCountInString(q2) == 1 { - item.text[item.pos] = firstRune(q1) - text[index] = firstRune(q2) - } else if tok == tokens[item.token] { - newText := make([]rune, 0, len(text)-2+len(q1)+len(q2)) - newText = append(newText, text[:item.pos]...) - newText = append(newText, []rune(q1)...) - newText = append(newText, text[item.pos+1:index]...) - newText = append(newText, []rune(q2)...) - newText = append(newText, text[index+1:]...) - - text = newText - item.text = newText - } else { - newText := make([]rune, 0, len(item.text)-1+len(q1)) - newText = append(newText, item.text[:item.pos]...) - newText = append(newText, []rune(q1)...) - newText = append(newText, item.text[item.pos+1:]...) - item.text = newText - - newText = make([]rune, 0, len(text)-1+len(q2)) - newText = append(newText, text[:index]...) - newText = append(newText, []rune(q2)...) - newText = append(newText, text[index+1:]...) - - text = newText - } - - max = len(text) - - if changed == nil { - changed = make(map[int][]rune) - } - changed[i] = text - changed[item.token] = item.text - stack = stack[:j] - continue loop - } - } - } - - if canOpen { - stack = append(stack, stackItem{ - token: i, - text: text, - pos: index, - single: isSingle, - level: thisLevel, - }) - } else if canClose && isSingle { - text[index] = '’' - if changed == nil { - changed = make(map[int][]rune) - } - changed[i] = text - } - } - } - - if changed != nil { - for i, text := range changed { - tokens[i].(*Text).Content = string(text) - } - } -} - -func ruleSmartQuotes(s *StateCore) { - if !s.Md.Typographer { - return - } - - tokens := s.Tokens - for i := len(tokens) - 1; i >= 0; i-- { - tok := tokens[i] - if tok, ok := tok.(*Inline); ok { - replaceQuotes(tok.Children, s) - } - } -} |