mirror of
https://github.com/go-gitea/gitea
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27757714d0
* Move to goldmark Markdown rendering moved from blackfriday to the goldmark. Multiple subtle changes required to the goldmark extensions to keep current rendering and defaults. Can go further with goldmark linkify and have this work within markdown rendering making the link processor unnecessary. Need to think about how to go about allowing extensions - at present it seems that these would be hard to do without recompilation. * linter fixes Co-authored-by: Lauris BH <lauris@nix.lv>
83 lines
2.1 KiB
Go
Vendored
83 lines
2.1 KiB
Go
Vendored
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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"github.com/yuin/goldmark/util"
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)
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type codeSpanParser struct {
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}
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var defaultCodeSpanParser = &codeSpanParser{}
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// NewCodeSpanParser return a new InlineParser that parses inline codes
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// surrounded by '`' .
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func NewCodeSpanParser() InlineParser {
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return defaultCodeSpanParser
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}
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func (s *codeSpanParser) Trigger() []byte {
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return []byte{'`'}
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}
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func (s *codeSpanParser) Parse(parent ast.Node, block text.Reader, pc Context) ast.Node {
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line, startSegment := block.PeekLine()
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opener := 0
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for ; opener < len(line) && line[opener] == '`'; opener++ {
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}
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block.Advance(opener)
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l, pos := block.Position()
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node := ast.NewCodeSpan()
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for {
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line, segment := block.PeekLine()
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if line == nil {
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block.SetPosition(l, pos)
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return ast.NewTextSegment(startSegment.WithStop(startSegment.Start + opener))
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}
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for i := 0; i < len(line); i++ {
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c := line[i]
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if c == '`' {
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oldi := i
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for ; i < len(line) && line[i] == '`'; i++ {
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}
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closure := i - oldi
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if closure == opener && (i >= len(line) || line[i] != '`') {
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segment = segment.WithStop(segment.Start + i - closure)
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if !segment.IsEmpty() {
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node.AppendChild(node, ast.NewRawTextSegment(segment))
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}
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block.Advance(i)
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goto end
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}
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}
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}
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if !util.IsBlank(line) {
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node.AppendChild(node, ast.NewRawTextSegment(segment))
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}
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block.AdvanceLine()
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}
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end:
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if !node.IsBlank(block.Source()) {
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// trim first halfspace and last halfspace
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segment := node.FirstChild().(*ast.Text).Segment
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shouldTrimmed := true
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if !(!segment.IsEmpty() && block.Source()[segment.Start] == ' ') {
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shouldTrimmed = false
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}
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segment = node.LastChild().(*ast.Text).Segment
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if !(!segment.IsEmpty() && block.Source()[segment.Stop-1] == ' ') {
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shouldTrimmed = false
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}
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if shouldTrimmed {
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t := node.FirstChild().(*ast.Text)
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segment := t.Segment
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t.Segment = segment.WithStart(segment.Start + 1)
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t = node.LastChild().(*ast.Text)
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segment = node.LastChild().(*ast.Text).Segment
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t.Segment = segment.WithStop(segment.Stop - 1)
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}
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}
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return node
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}
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