Fix markdown math brackets render problem (#31420)

Close #31371, support `($ ... $)` like GitHub

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
This commit is contained in:
charles 2024-06-20 10:12:54 +08:00 committed by GitHub
parent 1c15452687
commit 90a3c20e79
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2 changed files with 9 additions and 1 deletions

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@ -551,6 +551,10 @@ func TestMathBlock(t *testing.T) {
"$$a$$", "$$a$$",
`<pre class="code-block is-loading"><code class="chroma language-math display">a</code></pre>` + nl, `<pre class="code-block is-loading"><code class="chroma language-math display">a</code></pre>` + nl,
}, },
{
"$a$ ($b$) [$c$] {$d$}",
`<p><code class="language-math is-loading">a</code> (<code class="language-math is-loading">b</code>) [$c$] {$d$}</p>` + nl,
},
} }
for _, test := range testcases { for _, test := range testcases {

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@ -45,6 +45,10 @@ func isPunctuation(b byte) bool {
return b == '.' || b == '!' || b == '?' || b == ',' || b == ';' || b == ':' return b == '.' || b == '!' || b == '?' || b == ',' || b == ';' || b == ':'
} }
func isBracket(b byte) bool {
return b == ')'
}
func isAlphanumeric(b byte) bool { func isAlphanumeric(b byte) bool {
return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || (b >= '0' && b <= '9') return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || (b >= '0' && b <= '9')
} }
@ -84,7 +88,7 @@ func (parser *inlineParser) Parse(parent ast.Node, block text.Reader, pc parser.
break break
} }
suceedingCharacter := line[pos] suceedingCharacter := line[pos]
if !isPunctuation(suceedingCharacter) && !(suceedingCharacter == ' ') { if !isPunctuation(suceedingCharacter) && !(suceedingCharacter == ' ') && !isBracket(suceedingCharacter) {
return nil return nil
} }
if line[ender-1] != '\\' { if line[ender-1] != '\\' {