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Cache the regexp for template v2 directives

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This commit is contained in:
Kijin Sung 2023-10-18 02:28:38 +09:00
parent c19d71847f
commit 7c727c0fcb
1 changed files with 20 additions and 11 deletions
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31
common/framework/parsers/template/TemplateParser_v2.php
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@ -35,9 +35,10 @@ class TemplateParser_v2
/**
* Definitions of loop and condition directives.
*
* %s : Full PHP code passed to the directive in parentheses.
* %array : The array used in a foreach/forelse loop.
* %uniq : A random string that identifies a specific loop or condition.
* %s : Full PHP code passed to the directive in parentheses.
* %array : The array used in a foreach/forelse loop.
* %remainder : The remainder of the foreach/forelse loop ($key => $val)
* %uniq : A random string that identifies a specific loop or condition.
*/
protected static $_loopdef = [
'if' => ['if (%s):', 'endif;'],
@ -98,6 +99,11 @@ class TemplateParser_v2
'break' => ['break;'],
];
/**
* Cache the compiled regexp for directives here.
*/
protected static $_directives_regexp;
/**
* Convert template code into PHP.
*
@ -488,21 +494,24 @@ class TemplateParser_v2
protected function _convertLoopDirectives(string $content): string
{
// Generate the list of directives to match.
foreach (self::$_loopdef as $directive => $def)
if (self::$_directives_regexp === null)
{
$directive = preg_replace('#(.+)if$#', '$1[iI]f', $directive);
$directives[] = $directive;
if (count($def) > 1)
foreach (self::$_loopdef as $directive => $def)
{
$directives[] = 'end[' . substr($directive, 0, 1) . strtoupper(substr($directive, 0, 1)) . ']' . substr($directive, 1);
$directive = preg_replace('#(.+)if$#', '$1[iI]f', $directive);
$directives[] = $directive;
if (count($def) > 1)
{
$directives[] = 'end[' . substr($directive, 0, 1) . strtoupper(substr($directive, 0, 1)) . ']' . substr($directive, 1);
}
}
usort($directives, function($a, $b) { return strlen($b) - strlen($a); });
self::$_directives_regexp = implode('|', $directives) . '|end';
}
usort($directives, function($a, $b) { return strlen($b) - strlen($a); });
$directives = implode('|', $directives) . '|end';
// Convert both XE-style and Blade-style directives.
$parentheses = self::_getRegexpForParentheses(2);
$regexp = '#(?:<!--)?(?<!@)@(' . $directives . ')\b\x20?(' . $parentheses . ')?(?:[\x20\x09]*-->)?#';
$regexp = '#(?:<!--)?(?<!@)@(' . self::$_directives_regexp . ')\b\x20?(' . $parentheses . ')?(?:[\x20\x09]*-->)?#';
$content = preg_replace_callback($regexp, function($match) {
// Collect the necessary information.