/
auto_link.go
42 lines (36 loc) · 979 Bytes
/
auto_link.go
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package parser
import (
"github.com/yuin/goldmark/ast"
"github.com/yuin/goldmark/text"
"github.com/yuin/goldmark/util"
)
type autoLinkParser struct {
}
var defaultAutoLinkParser = &autoLinkParser{}
// NewAutoLinkParser returns a new InlineParser that parses autolinks
// surrounded by '<' and '>' .
func NewAutoLinkParser() InlineParser {
return defaultAutoLinkParser
}
func (s *autoLinkParser) Trigger() []byte {
return []byte{'<'}
}
func (s *autoLinkParser) Parse(parent ast.Node, block text.Reader, pc Context) ast.Node {
line, segment := block.PeekLine()
stop := util.FindEmailIndex(line[1:])
typ := ast.AutoLinkType(ast.AutoLinkEmail)
if stop < 0 {
stop = util.FindURLIndex(line[1:])
typ = ast.AutoLinkURL
}
if stop < 0 {
return nil
}
stop++
if stop >= len(line) || line[stop] != '>' {
return nil
}
value := ast.NewTextSegment(text.NewSegment(segment.Start+1, segment.Start+stop))
block.Advance(stop + 1)
return ast.NewAutoLink(typ, value)
}