mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-13 10:46:33 +00:00
ea1bf5f8a3
Bumps [github.com/yuin/goldmark](https://github.com/yuin/goldmark) from 1.7.6 to 1.7.8. - [Release notes](https://github.com/yuin/goldmark/releases) - [Commits](https://github.com/yuin/goldmark/compare/v1.7.6...v1.7.8) --- updated-dependencies: - dependency-name: github.com/yuin/goldmark dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
package parser
|
|
|
|
import (
|
|
"github.com/yuin/goldmark/ast"
|
|
"github.com/yuin/goldmark/text"
|
|
"github.com/yuin/goldmark/util"
|
|
)
|
|
|
|
type codeBlockParser struct {
|
|
}
|
|
|
|
// CodeBlockParser is a BlockParser implementation that parses indented code blocks.
|
|
var defaultCodeBlockParser = &codeBlockParser{}
|
|
|
|
// NewCodeBlockParser returns a new BlockParser that
|
|
// parses code blocks.
|
|
func NewCodeBlockParser() BlockParser {
|
|
return defaultCodeBlockParser
|
|
}
|
|
|
|
func (b *codeBlockParser) Trigger() []byte {
|
|
return nil
|
|
}
|
|
|
|
func (b *codeBlockParser) Open(parent ast.Node, reader text.Reader, pc Context) (ast.Node, State) {
|
|
line, segment := reader.PeekLine()
|
|
pos, padding := util.IndentPosition(line, reader.LineOffset(), 4)
|
|
if pos < 0 || util.IsBlank(line) {
|
|
return nil, NoChildren
|
|
}
|
|
node := ast.NewCodeBlock()
|
|
reader.AdvanceAndSetPadding(pos, padding)
|
|
_, segment = reader.PeekLine()
|
|
// if code block line starts with a tab, keep a tab as it is.
|
|
if segment.Padding != 0 {
|
|
preserveLeadingTabInCodeBlock(&segment, reader, 0)
|
|
}
|
|
segment.ForceNewline = true
|
|
node.Lines().Append(segment)
|
|
reader.Advance(segment.Len() - 1)
|
|
return node, NoChildren
|
|
|
|
}
|
|
|
|
func (b *codeBlockParser) Continue(node ast.Node, reader text.Reader, pc Context) State {
|
|
line, segment := reader.PeekLine()
|
|
if util.IsBlank(line) {
|
|
node.Lines().Append(segment.TrimLeftSpaceWidth(4, reader.Source()))
|
|
return Continue | NoChildren
|
|
}
|
|
pos, padding := util.IndentPosition(line, reader.LineOffset(), 4)
|
|
if pos < 0 {
|
|
return Close
|
|
}
|
|
reader.AdvanceAndSetPadding(pos, padding)
|
|
_, segment = reader.PeekLine()
|
|
|
|
// if code block line starts with a tab, keep a tab as it is.
|
|
if segment.Padding != 0 {
|
|
preserveLeadingTabInCodeBlock(&segment, reader, 0)
|
|
}
|
|
|
|
segment.ForceNewline = true
|
|
node.Lines().Append(segment)
|
|
reader.Advance(segment.Len() - 1)
|
|
return Continue | NoChildren
|
|
}
|
|
|
|
func (b *codeBlockParser) Close(node ast.Node, reader text.Reader, pc Context) {
|
|
// trim trailing blank lines
|
|
lines := node.Lines()
|
|
length := lines.Len() - 1
|
|
source := reader.Source()
|
|
for length >= 0 {
|
|
line := lines.At(length)
|
|
if util.IsBlank(line.Value(source)) {
|
|
length--
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
lines.SetSliced(0, length+1)
|
|
}
|
|
|
|
func (b *codeBlockParser) CanInterruptParagraph() bool {
|
|
return false
|
|
}
|
|
|
|
func (b *codeBlockParser) CanAcceptIndentedLine() bool {
|
|
return true
|
|
}
|
|
|
|
func preserveLeadingTabInCodeBlock(segment *text.Segment, reader text.Reader, indent int) {
|
|
offsetWithPadding := reader.LineOffset() + indent
|
|
sl, ss := reader.Position()
|
|
reader.SetPosition(sl, text.NewSegment(ss.Start-1, ss.Stop))
|
|
if offsetWithPadding == reader.LineOffset() {
|
|
segment.Padding = 0
|
|
segment.Start--
|
|
}
|
|
reader.SetPosition(sl, ss)
|
|
}
|