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マークダウンでのエスケープの修正

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テクニカル諏訪子
2026-04-24 19:53:45 +09:00
parent 119f9f48b6
commit 7492790a9c
1 changed files with 17 additions and 15 deletions
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32
src/Std/Lib/Markdown.php
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@@ -275,39 +275,39 @@ class Markdown {
$patterns = [
// 数式
'/\$\$([^$]+)\$\$/u' => function($matches): string {
'/(?<!\\\\)\$\$([^$]+)\$\$/u' => function($matches): string {
$placeholder = "{{ALG".count($this->algebraicPlaceholder).'ALG}}';
$this->algebraicPlaceholder[$placeholder] = $matches[1];
return $placeholder;
},
// 太字
'/\*\*(.+?)\*\*/u' => '<strong>$1</strong>',
'/(?<!\\\\)\*\*(.+?)\*\*/u' => '<strong>$1</strong>',
// 斜体
'/\*(.+?)\*/u' => '<em>$1</em>',
'/(?<!\\\\)\*(.+?)\*/u' => '<em>$1</em>',
// 下線
'/\_(.+?)\_/u' => '<u>$1</u>',
'/(?<!\\\\)_(.+?)_/u' => '<u>$1</u>',
// 取り消し線
'/\~(.+?)\~/u' => '<s>$1</s>',
'/(?<!\\\\)~(.+?)~/u' => '<s>$1</s>',
// Blink (with speed)
'/!:\((.+?)\)(.+?):!/u' => '<span class="blink" style="animation-duration: $1s;">$2</span>',
'/(?<!\\\\)!:\((.+?)\)(.+?):!/u' => '<span class="blink" style="animation-duration: $1s;">$2</span>',
// Blink
'/!:(.+?):!/u' => '<span class="blink">$1</span>',
'/(?<!\\\\)!:(.+?):!/u' => '<span class="blink">$1</span>',
// フォントの大きさ
'/\^\((.+?)\)(.+?)\^/u' => '<span style="font-size: $1px;">$2</span>',
'/(?<!\\\\)\^\((.+?)\)(.+?)\^/u' => '<span style="font-size: $1px;">$2</span>',
// フォントカラー
'/\%\((.+?)\)(.+?)\%/u' => '<span style="color: #$1;">$2</span>',
'/(?<!\\\\)\%\((.+?)\)(.+?)\%/u' => '<span style="color: #$1;">$2</span>',
// 画像
'/\!\[(.*?)(?:#([^\]]*))?\]\((.+?)\)/u' => '<img style="width: 100%; $2" src="$3" alt="$1" />',
'/(?<!\\\\)\!\[(.*?)(?:#([^\]]*))?\]\((.+?)\)/u' => '<img style="width: 100%; $2" src="$3" alt="$1" />',
// 音楽
'/\$\[([^\]]+)\]\(([^\)]+)\)/u' => '<audio controls><source src="$2" type="$1" /></audio>',
'/(?<!\\\\)\$\[([^\]]+)\]\(([^\)]+)\)/u' => '<audio controls><source src="$2" type="$1" /></audio>',
// 動画
'/\#\[([^\]]+)\]\(([^\)]+)\)/u' => '<video style="max-width: 100%;" controls><source src="$2" type="$1" /></video>',
'/(?<!\\\\)\#\[([^\]]+)\]\(([^\)]+)\)/u' => '<video style="max-width: 100%;" controls><source src="$2" type="$1" /></video>',
// リンク
'/\[(.+?)\]\((.+?)\)/u' => '<a href="$2">$1</a>',
'/(?<!\\\\)\[(.+?)\]\((.+?)\)/u' => '<a href="$2">$1</a>',
// 振り仮名
'/\&lt;(.+?)\&gt;\((.+?)\)/u' => '<ruby>$1<rp>(</rp><rt>$2</rt><rp>)</rp></ruby>',
'/(?<!\\\\)&lt;(.+?)&gt;\((.+?)\)/u' => '<ruby>$1<rp>(</rp><rt>$2</rt><rp>)</rp></ruby>',
// インラインコード
'/`(.+?)`/u' => '<code>$1</code>',
'/(?<!\\\\)`(.+?)`/u' => '<code>$1</code>',
];
foreach ($patterns as $pattern => $replacement) {
@@ -325,6 +325,8 @@ class Markdown {
$text = str_replace($placeholder, $this->parseAlgebraic($expr), $text);
}
$text = preg_replace('/\\\\(.)/u', '$1', $text);
return $text;
}