Make inline callbacks changeable for users

gomarkdown · Sep 12, 2023 · 302893f · 302893f
1 parent 531d2d7
commit 302893f
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Showing 2 changed files with 26 additions and 23 deletions.
diff --git a/parser/inline.go b/parser/inline.go
@@ -30,7 +30,7 @@ func (p *Parser) Inline(currBlock ast.Node, data []byte) {
 
 	n := len(data)
 	for end < n {
-		handler := p.inlineCallback[data[end]]
+		handler := p.InlineCallback[data[end]]
 		if handler == nil {
 			end++
 			continue

diff --git a/parser/parser.go b/parser/parser.go
@@ -94,11 +94,14 @@ type Parser struct {
 	// after parsing, this is AST root of parsed markdown text
 	Doc ast.Node
 
+	// InlineCallback maps special bytes that trigger inlineParser
+	// functions.
+	InlineCallback [256]inlineParser
+
 	extensions Extensions
 
 	refs           map[string]*reference
 	refsRecord     map[string]struct{}
-	inlineCallback [256]inlineParser
 	nesting        int
 	maxNesting     int
 	insideLink     bool
@@ -149,33 +152,33 @@ func NewWithExtensions(extension Extensions) *Parser {
 	p.oldTip = p.Doc
 	p.lastMatchedContainer = p.Doc
 
-	p.inlineCallback[' '] = maybeLineBreak
-	p.inlineCallback['*'] = emphasis
-	p.inlineCallback['_'] = emphasis
+	p.InlineCallback[' '] = maybeLineBreak
+	p.InlineCallback['*'] = emphasis
+	p.InlineCallback['_'] = emphasis
 	if p.extensions&Strikethrough != 0 {
-		p.inlineCallback['~'] = emphasis
-	}
-	p.inlineCallback['`'] = codeSpan
-	p.inlineCallback['\n'] = lineBreak
-	p.inlineCallback['['] = link
-	p.inlineCallback['<'] = leftAngle
-	p.inlineCallback['\\'] = escape
-	p.inlineCallback['&'] = entity
-	p.inlineCallback['!'] = maybeImage
+		p.InlineCallback['~'] = emphasis
+	}
+	p.InlineCallback['`'] = codeSpan
+	p.InlineCallback['\n'] = lineBreak
+	p.InlineCallback['['] = link
+	p.InlineCallback['<'] = leftAngle
+	p.InlineCallback['\\'] = escape
+	p.InlineCallback['&'] = entity
+	p.InlineCallback['!'] = maybeImage
 	if p.extensions&Mmark != 0 {
-		p.inlineCallback['('] = maybeShortRefOrIndex
+		p.InlineCallback['('] = maybeShortRefOrIndex
 	}
-	p.inlineCallback['^'] = maybeInlineFootnoteOrSuper
+	p.InlineCallback['^'] = maybeInlineFootnoteOrSuper
 	if p.extensions&Autolink != 0 {
-		p.inlineCallback['h'] = maybeAutoLink
-		p.inlineCallback['m'] = maybeAutoLink
-		p.inlineCallback['f'] = maybeAutoLink
-		p.inlineCallback['H'] = maybeAutoLink
-		p.inlineCallback['M'] = maybeAutoLink
-		p.inlineCallback['F'] = maybeAutoLink
+		p.InlineCallback['h'] = maybeAutoLink
+		p.InlineCallback['m'] = maybeAutoLink
+		p.InlineCallback['f'] = maybeAutoLink
+		p.InlineCallback['H'] = maybeAutoLink
+		p.InlineCallback['M'] = maybeAutoLink
+		p.InlineCallback['F'] = maybeAutoLink
 	}
 	if p.extensions&MathJax != 0 {
-		p.inlineCallback['$'] = math
+		p.InlineCallback['$'] = math
 	}
 
 	return &p