63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
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package element
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import "ewintr.nl/adoc/token"
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type SubTitle string
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func (st SubTitle) Text() string { return string(st) }
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func (st SubTitle) Append(_ []Element) Element { return st }
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type SubSubTitle string
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func (st SubSubTitle) Text() string { return string(st) }
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func (st SubSubTitle) Append(_ []Element) Element { return st }
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func NewSubTitleFromTokens(tr ReadUnreader) (ParseResult, bool) {
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toks, ok := tr.Read(2)
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if !ok {
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return ParseResult{}, false
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}
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if toks[0].Type != token.TYPE_EQUALSIGN || toks[0].Len() < 2 || toks[1].Type != token.TYPE_WHITESPACE {
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tr.Unread(2)
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return ParseResult{}, false
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}
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for {
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ntoks, ok := tr.Read(1)
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if !ok {
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tr.Unread(len(toks))
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return ParseResult{}, false
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}
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tok := ntoks[0]
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if (tok.Type == token.TYPE_NEWLINE && tok.Len() > 1) || tok.Equal(token.TOKEN_EOF) {
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break
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}
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toks = append(toks, tok)
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}
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var title string
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for _, tok := range toks[2:] {
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if tok.Type == token.TYPE_NEWLINE {
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continue
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}
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title += MakePlain(tok).Text()
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}
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var el Element
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switch toks[0].Len() {
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case 2:
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el = SubTitle(title)
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case 3:
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el = SubSubTitle(title)
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default:
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// ignore lower levels for now
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tr.Unread(len(toks))
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return ParseResult{}, false
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}
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return ParseResult{
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Element: el,
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Inner: []token.Token{},
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}, true
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}
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