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51 lines
1.2 KiB
51 lines
1.2 KiB
package parser
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import (
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"github.com/yuin/goldmark/ast"
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"github.com/yuin/goldmark/text"
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)
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type emphasisDelimiterProcessor struct {
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}
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func (p *emphasisDelimiterProcessor) IsDelimiter(b byte) bool {
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return b == '*' || b == '_'
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}
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func (p *emphasisDelimiterProcessor) CanOpenCloser(opener, closer *Delimiter) bool {
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return opener.Char == closer.Char
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}
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func (p *emphasisDelimiterProcessor) OnMatch(consumes int) ast.Node {
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return ast.NewEmphasis(consumes)
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}
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var defaultEmphasisDelimiterProcessor = &emphasisDelimiterProcessor{}
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type emphasisParser struct {
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}
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var defaultEmphasisParser = &emphasisParser{}
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// NewEmphasisParser return a new InlineParser that parses emphasises.
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func NewEmphasisParser() InlineParser {
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return defaultEmphasisParser
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}
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func (s *emphasisParser) Trigger() []byte {
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return []byte{'*', '_'}
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}
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func (s *emphasisParser) Parse(parent ast.Node, block text.Reader, pc Context) ast.Node {
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before := block.PrecendingCharacter()
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line, segment := block.PeekLine()
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node := ScanDelimiter(line, before, 1, defaultEmphasisDelimiterProcessor)
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if node == nil {
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return nil
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}
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node.Segment = segment.WithStop(segment.Start + node.OriginalLength)
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block.Advance(node.OriginalLength)
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pc.PushDelimiter(node)
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return node
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}
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