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authorWim <wim@42.be>2023-08-05 20:43:19 +0200
committerGitHub <noreply@github.com>2023-08-05 20:43:19 +0200
commit56e7bd01ca09ad52b0c4f48f146a20a4f1b78696 (patch)
treeb1355645342667209263cbd355dc0b4254f1e8fe /vendor/github.com/gomarkdown/markdown/parser/parser.go
parent9459495484d6e06a3d46de64fccd8d06f7ccc72c (diff)
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Update dependencies and remove old matterclient lib (#2067)HEADmaster
Diffstat (limited to 'vendor/github.com/gomarkdown/markdown/parser/parser.go')
-rw-r--r--vendor/github.com/gomarkdown/markdown/parser/parser.go59
1 files changed, 49 insertions, 10 deletions
diff --git a/vendor/github.com/gomarkdown/markdown/parser/parser.go b/vendor/github.com/gomarkdown/markdown/parser/parser.go
index 07444cd8..91123e1b 100644
--- a/vendor/github.com/gomarkdown/markdown/parser/parser.go
+++ b/vendor/github.com/gomarkdown/markdown/parser/parser.go
@@ -42,7 +42,7 @@ const (
SuperSubscript // Super- and subscript support: 2^10^, H~2~O.
EmptyLinesBreakList // 2 empty lines break out of list
Includes // Support including other files.
- Mmark // Support Mmark syntax, see https://mmark.nl/syntax
+ Mmark // Support Mmark syntax, see https://mmark.miek.nl/post/syntax/
CommonExtensions Extensions = NoIntraEmphasis | Tables | FencedCode |
Autolink | Strikethrough | SpaceHeadings | HeadingIDs |
@@ -206,13 +206,13 @@ func (p *Parser) isFootnote(ref *reference) bool {
return ok
}
-func (p *Parser) finalize(block ast.Node) {
+func (p *Parser) Finalize(block ast.Node) {
p.tip = block.GetParent()
}
func (p *Parser) addChild(node ast.Node) ast.Node {
for !canNodeContain(p.tip, node) {
- p.finalize(p.tip)
+ p.Finalize(p.tip)
}
ast.AppendChild(p.tip, node)
p.tip = node
@@ -239,6 +239,18 @@ func canNodeContain(n ast.Node, v ast.Node) bool {
_, ok := v.(*ast.TableCell)
return ok
}
+ // for nodes implemented outside of ast package, allow them
+ // to implement this logic via CanContain interface
+ if o, ok := n.(ast.CanContain); ok {
+ return o.CanContain(v)
+ }
+ // for container nodes outside of ast package default to true
+ // because false is a bad default
+ typ := fmt.Sprintf("%T", n)
+ customNode := !strings.HasPrefix(typ, "*ast.")
+ if customNode {
+ return n.AsLeaf() == nil
+ }
return false
}
@@ -248,7 +260,7 @@ func (p *Parser) closeUnmatchedBlocks() {
}
for p.oldTip != p.lastMatchedContainer {
parent := p.oldTip.GetParent()
- p.finalize(p.oldTip)
+ p.Finalize(p.oldTip)
p.oldTip = parent
}
p.allClosed = true
@@ -273,10 +285,14 @@ type Reference struct {
// You can then convert AST to html using html.Renderer, to some other format
// using a custom renderer or transform the tree.
func (p *Parser) Parse(input []byte) ast.Node {
- p.block(input)
+ // the code only works with Unix CR newlines so to make life easy for
+ // callers normalize newlines
+ input = NormalizeNewlines(input)
+
+ p.Block(input)
// Walk the tree and finish up some of unfinished blocks
for p.tip != nil {
- p.finalize(p.tip)
+ p.Finalize(p.tip)
}
// Walk the tree again and process inline markdown in each block
ast.WalkFunc(p.Doc, func(node ast.Node, entering bool) ast.WalkStatus {
@@ -322,8 +338,8 @@ func (p *Parser) parseRefsToAST() {
IsFootnotesList: true,
ListFlags: ast.ListTypeOrdered,
}
- p.addBlock(&ast.Footnotes{})
- block := p.addBlock(list)
+ p.AddBlock(&ast.Footnotes{})
+ block := p.AddBlock(list)
flags := ast.ListItemBeginningOfList
// Note: this loop is intentionally explicit, not range-form. This is
// because the body of the loop will append nested footnotes to p.notes and
@@ -338,7 +354,7 @@ func (p *Parser) parseRefsToAST() {
listItem.RefLink = ref.link
if ref.hasBlock {
flags |= ast.ListItemContainsBlock
- p.block(ref.title)
+ p.Block(ref.title)
} else {
p.Inline(block, ref.title)
}
@@ -660,7 +676,7 @@ gatherLines:
// if it is an empty line, guess that it is part of this item
// and move on to the next line
- if p.isEmpty(data[blockEnd:i]) > 0 {
+ if IsEmpty(data[blockEnd:i]) > 0 {
containsBlankLine = true
blockEnd = i
continue
@@ -883,3 +899,26 @@ func isListItem(d ast.Node) bool {
_, ok := d.(*ast.ListItem)
return ok
}
+
+func NormalizeNewlines(d []byte) []byte {
+ wi := 0
+ n := len(d)
+ for i := 0; i < n; i++ {
+ c := d[i]
+ // 13 is CR
+ if c != 13 {
+ d[wi] = c
+ wi++
+ continue
+ }
+ // replace CR (mac / win) with LF (unix)
+ d[wi] = 10
+ wi++
+ if i < n-1 && d[i+1] == 10 {
+ // this was CRLF, so skip the LF
+ i++
+ }
+
+ }
+ return d[:wi]
+}