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| author | 2025-03-09 17:47:56 +0100 | |
|---|---|---|
| committer | 2025-12-01 22:08:04 +0100 | |
| commit | b1af8fd87760b34e3ff2fd3bda38f211815a0473 (patch) | |
| tree | 9317fad1a7ec298d7a8d2678e4e422953bbc6f33 /vendor/github.com/yuin/goldmark/extension/typographer.go | |
| parent | [chore] update URLs to forked source (diff) | |
| download | gotosocial-b1af8fd87760b34e3ff2fd3bda38f211815a0473.tar.xz | |
[chore] remove vendor
Diffstat (limited to 'vendor/github.com/yuin/goldmark/extension/typographer.go')
| -rw-r--r-- | vendor/github.com/yuin/goldmark/extension/typographer.go | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/vendor/github.com/yuin/goldmark/extension/typographer.go b/vendor/github.com/yuin/goldmark/extension/typographer.go deleted file mode 100644 index 44c15ebf1..000000000 --- a/vendor/github.com/yuin/goldmark/extension/typographer.go +++ /dev/null @@ -1,348 +0,0 @@ -package extension - -import ( - "unicode" - - "github.com/yuin/goldmark" - gast "github.com/yuin/goldmark/ast" - "github.com/yuin/goldmark/parser" - "github.com/yuin/goldmark/text" - "github.com/yuin/goldmark/util" -) - -var uncloseCounterKey = parser.NewContextKey() - -type unclosedCounter struct { - Single int - Double int -} - -func (u *unclosedCounter) Reset() { - u.Single = 0 - u.Double = 0 -} - -func getUnclosedCounter(pc parser.Context) *unclosedCounter { - v := pc.Get(uncloseCounterKey) - if v == nil { - v = &unclosedCounter{} - pc.Set(uncloseCounterKey, v) - } - return v.(*unclosedCounter) -} - -// TypographicPunctuation is a key of the punctuations that can be replaced with -// typographic entities. -type TypographicPunctuation int - -const ( - // LeftSingleQuote is ' . - LeftSingleQuote TypographicPunctuation = iota + 1 - // RightSingleQuote is ' . - RightSingleQuote - // LeftDoubleQuote is " . - LeftDoubleQuote - // RightDoubleQuote is " . - RightDoubleQuote - // EnDash is -- . - EnDash - // EmDash is --- . - EmDash - // Ellipsis is ... . - Ellipsis - // LeftAngleQuote is << . - LeftAngleQuote - // RightAngleQuote is >> . - RightAngleQuote - // Apostrophe is ' . - Apostrophe - - typographicPunctuationMax -) - -// An TypographerConfig struct is a data structure that holds configuration of the -// Typographer extension. -type TypographerConfig struct { - Substitutions [][]byte -} - -func newDefaultSubstitutions() [][]byte { - replacements := make([][]byte, typographicPunctuationMax) - replacements[LeftSingleQuote] = []byte("‘") - replacements[RightSingleQuote] = []byte("’") - replacements[LeftDoubleQuote] = []byte("“") - replacements[RightDoubleQuote] = []byte("”") - replacements[EnDash] = []byte("–") - replacements[EmDash] = []byte("—") - replacements[Ellipsis] = []byte("…") - replacements[LeftAngleQuote] = []byte("«") - replacements[RightAngleQuote] = []byte("»") - replacements[Apostrophe] = []byte("’") - - return replacements -} - -// SetOption implements SetOptioner. -func (b *TypographerConfig) SetOption(name parser.OptionName, value interface{}) { - switch name { - case optTypographicSubstitutions: - b.Substitutions = value.([][]byte) - } -} - -// A TypographerOption interface sets options for the TypographerParser. -type TypographerOption interface { - parser.Option - SetTypographerOption(*TypographerConfig) -} - -const optTypographicSubstitutions parser.OptionName = "TypographicSubstitutions" - -// TypographicSubstitutions is a list of the substitutions for the Typographer extension. -type TypographicSubstitutions map[TypographicPunctuation][]byte - -type withTypographicSubstitutions struct { - value [][]byte -} - -func (o *withTypographicSubstitutions) SetParserOption(c *parser.Config) { - c.Options[optTypographicSubstitutions] = o.value -} - -func (o *withTypographicSubstitutions) SetTypographerOption(p *TypographerConfig) { - p.Substitutions = o.value -} - -// WithTypographicSubstitutions is a functional otpion that specify replacement text -// for punctuations. -func WithTypographicSubstitutions[T []byte | string](values map[TypographicPunctuation]T) TypographerOption { - replacements := newDefaultSubstitutions() - for k, v := range values { - replacements[k] = []byte(v) - } - - return &withTypographicSubstitutions{replacements} -} - -type typographerDelimiterProcessor struct { -} - -func (p *typographerDelimiterProcessor) IsDelimiter(b byte) bool { - return b == '\'' || b == '"' -} - -func (p *typographerDelimiterProcessor) CanOpenCloser(opener, closer *parser.Delimiter) bool { - return opener.Char == closer.Char -} - -func (p *typographerDelimiterProcessor) OnMatch(consumes int) gast.Node { - return nil -} - -var defaultTypographerDelimiterProcessor = &typographerDelimiterProcessor{} - -type typographerParser struct { - TypographerConfig -} - -// NewTypographerParser return a new InlineParser that parses -// typographer expressions. -func NewTypographerParser(opts ...TypographerOption) parser.InlineParser { - p := &typographerParser{ - TypographerConfig: TypographerConfig{ - Substitutions: newDefaultSubstitutions(), - }, - } - for _, o := range opts { - o.SetTypographerOption(&p.TypographerConfig) - } - return p -} - -func (s *typographerParser) Trigger() []byte { - return []byte{'\'', '"', '-', '.', ',', '<', '>', '*', '['} -} - -func (s *typographerParser) Parse(parent gast.Node, block text.Reader, pc parser.Context) gast.Node { - line, _ := block.PeekLine() - c := line[0] - if len(line) > 2 { - if c == '-' { - if s.Substitutions[EmDash] != nil && line[1] == '-' && line[2] == '-' { // --- - node := gast.NewString(s.Substitutions[EmDash]) - node.SetCode(true) - block.Advance(3) - return node - } - } else if c == '.' { - if s.Substitutions[Ellipsis] != nil && line[1] == '.' && line[2] == '.' { // ... - node := gast.NewString(s.Substitutions[Ellipsis]) - node.SetCode(true) - block.Advance(3) - return node - } - return nil - } - } - if len(line) > 1 { - if c == '<' { - if s.Substitutions[LeftAngleQuote] != nil && line[1] == '<' { // << - node := gast.NewString(s.Substitutions[LeftAngleQuote]) - node.SetCode(true) - block.Advance(2) - return node - } - return nil - } else if c == '>' { - if s.Substitutions[RightAngleQuote] != nil && line[1] == '>' { // >> - node := gast.NewString(s.Substitutions[RightAngleQuote]) - node.SetCode(true) - block.Advance(2) - return node - } - return nil - } else if s.Substitutions[EnDash] != nil && c == '-' && line[1] == '-' { // -- - node := gast.NewString(s.Substitutions[EnDash]) - node.SetCode(true) - block.Advance(2) - return node - } - } - if c == '\'' || c == '"' { - before := block.PrecendingCharacter() - d := parser.ScanDelimiter(line, before, 1, defaultTypographerDelimiterProcessor) - if d == nil { - return nil - } - counter := getUnclosedCounter(pc) - if c == '\'' { - if s.Substitutions[Apostrophe] != nil { - // Handle decade abbrevations such as '90s - if d.CanOpen && !d.CanClose && len(line) > 3 && - util.IsNumeric(line[1]) && util.IsNumeric(line[2]) && line[3] == 's' { - after := rune(' ') - if len(line) > 4 { - after = util.ToRune(line, 4) - } - if len(line) == 3 || util.IsSpaceRune(after) || util.IsPunctRune(after) { - node := gast.NewString(s.Substitutions[Apostrophe]) - node.SetCode(true) - block.Advance(1) - return node - } - } - // special cases: 'twas, 'em, 'net - if len(line) > 1 && (unicode.IsPunct(before) || unicode.IsSpace(before)) && - (line[1] == 't' || line[1] == 'e' || line[1] == 'n' || line[1] == 'l') { - node := gast.NewString(s.Substitutions[Apostrophe]) - node.SetCode(true) - block.Advance(1) - return node - } - // Convert normal apostrophes. This is probably more flexible than necessary but - // converts any apostrophe in between two alphanumerics. - if len(line) > 1 && (unicode.IsDigit(before) || unicode.IsLetter(before)) && - (unicode.IsLetter(util.ToRune(line, 1))) { - node := gast.NewString(s.Substitutions[Apostrophe]) - node.SetCode(true) - block.Advance(1) - return node - } - } - if s.Substitutions[LeftSingleQuote] != nil && d.CanOpen && !d.CanClose { - nt := LeftSingleQuote - // special cases: Alice's, I'm, Don't, You'd - if len(line) > 1 && (line[1] == 's' || line[1] == 'm' || line[1] == 't' || line[1] == 'd') && - (len(line) < 3 || util.IsPunct(line[2]) || util.IsSpace(line[2])) { - nt = RightSingleQuote - } - // special cases: I've, I'll, You're - if len(line) > 2 && ((line[1] == 'v' && line[2] == 'e') || - (line[1] == 'l' && line[2] == 'l') || (line[1] == 'r' && line[2] == 'e')) && - (len(line) < 4 || util.IsPunct(line[3]) || util.IsSpace(line[3])) { - nt = RightSingleQuote - } - if nt == LeftSingleQuote { - counter.Single++ - } - - node := gast.NewString(s.Substitutions[nt]) - node.SetCode(true) - block.Advance(1) - return node - } - if s.Substitutions[RightSingleQuote] != nil { - // plural possesive and abbreviations: Smiths', doin' - if len(line) > 1 && unicode.IsSpace(util.ToRune(line, 0)) || unicode.IsPunct(util.ToRune(line, 0)) && - (len(line) > 2 && !unicode.IsDigit(util.ToRune(line, 1))) { - node := gast.NewString(s.Substitutions[RightSingleQuote]) - node.SetCode(true) - block.Advance(1) - return node - } - } - if s.Substitutions[RightSingleQuote] != nil && counter.Single > 0 { - isClose := d.CanClose && !d.CanOpen - maybeClose := d.CanClose && d.CanOpen && len(line) > 1 && unicode.IsPunct(util.ToRune(line, 1)) && - (len(line) == 2 || (len(line) > 2 && util.IsPunct(line[2]) || util.IsSpace(line[2]))) - if isClose || maybeClose { - node := gast.NewString(s.Substitutions[RightSingleQuote]) - node.SetCode(true) - block.Advance(1) - counter.Single-- - return node - } - } - } - if c == '"' { - if s.Substitutions[LeftDoubleQuote] != nil && d.CanOpen && !d.CanClose { - node := gast.NewString(s.Substitutions[LeftDoubleQuote]) - node.SetCode(true) - block.Advance(1) - counter.Double++ - return node - } - if s.Substitutions[RightDoubleQuote] != nil && counter.Double > 0 { - isClose := d.CanClose && !d.CanOpen - maybeClose := d.CanClose && d.CanOpen && len(line) > 1 && (unicode.IsPunct(util.ToRune(line, 1))) && - (len(line) == 2 || (len(line) > 2 && util.IsPunct(line[2]) || util.IsSpace(line[2]))) - if isClose || maybeClose { - // special case: "Monitor 21"" - if len(line) > 1 && line[1] == '"' && unicode.IsDigit(before) { - return nil - } - node := gast.NewString(s.Substitutions[RightDoubleQuote]) - node.SetCode(true) - block.Advance(1) - counter.Double-- - return node - } - } - } - } - return nil -} - -func (s *typographerParser) CloseBlock(parent gast.Node, pc parser.Context) { - getUnclosedCounter(pc).Reset() -} - -type typographer struct { - options []TypographerOption -} - -// Typographer is an extension that replaces punctuations with typographic entities. -var Typographer = &typographer{} - -// NewTypographer returns a new Extender that replaces punctuations with typographic entities. -func NewTypographer(opts ...TypographerOption) goldmark.Extender { - return &typographer{ - options: opts, - } -} - -func (e *typographer) Extend(m goldmark.Markdown) { - m.Parser().AddOptions(parser.WithInlineParsers( - util.Prioritized(NewTypographerParser(e.options...), 9999), - )) -} |
