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- bugfix loops using modifier capitalize did eat up memory (issue 159)

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git-svn-id: http://smarty-php.googlecode.com/svn/trunk/distribution/libs@4785 9dce5a81-9a42-0410-99e4-3799d3902e7f

We need this, since using the capitalize modifier.
This commit is contained in:
Ian 2013-10-05 13:57:12 +02:00
parent 80cfa7e736
commit 0f1e93ab7d
2 changed files with 34 additions and 8 deletions
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4
bundled-libs/Smarty/change_log.txt
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@ -1,4 +1,8 @@
===== trunk ===== ===== trunk =====
03.10.2013
- bugfix loops using modifier capitalize did eat up memory (issue 159)
===== Smarty-3.1.15 ===== ===== Smarty-3.1.15 =====
01.10.2013 01.10.2013
- use current delimiters in compiler error messages (issue 157) - use current delimiters in compiler error messages (issue 157)

38
bundled-libs/Smarty/libs/plugins/modifier.capitalize.php
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@ -30,18 +30,17 @@ function smarty_modifier_capitalize($string, $uc_digits = false, $lc_rest = fals
$upper_string = mb_convert_case( $string, MB_CASE_TITLE, Smarty::$_CHARSET ); $upper_string = mb_convert_case( $string, MB_CASE_TITLE, Smarty::$_CHARSET );
} else { } else {
// uppercase word breaks // uppercase word breaks
$upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[2]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");'), $string); $upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_mbconvert_cb('$matches'), $string);
} }
// check uc_digits case // check uc_digits case
if (!$uc_digits) { if (!$uc_digits) {
if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) { if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) {
foreach ($matches[1] as $match) { foreach($matches[1] as $match) {
$upper_string = substr_replace($upper_string, mb_strtolower($match[0], Smarty::$_CHARSET), $match[1], strlen($match[0])); $upper_string = substr_replace($upper_string, mb_strtolower($match[0], Smarty::$_CHARSET), $match[1], strlen($match[0]));
} }
} }
} }
$upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[3]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");'), $upper_string); $upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_mbconvert2_cb('$matches'), $upper_string);
return $upper_string; return $upper_string;
} }
@ -50,16 +49,39 @@ function smarty_modifier_capitalize($string, $uc_digits = false, $lc_rest = fals
$string = strtolower($string); $string = strtolower($string);
} }
// uppercase (including hyphenated words) // uppercase (including hyphenated words)
$upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).ucfirst(stripslashes($matches[2]));'), $string); $upper_string = preg_replace_callback("!(^|[^\p{L}'])([\p{Ll}])!S" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_ucfirst_cb('$matches'), $string);
// check uc_digits case // check uc_digits case
if (!$uc_digits) { if (!$uc_digits) {
if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) { if (preg_match_all("!\b([\p{L}]*[\p{N}]+[\p{L}]*)\b!" . Smarty::$_UTF8_MODIFIER, $string, $matches, PREG_OFFSET_CAPTURE)) {
foreach ($matches[1] as $match) { foreach($matches[1] as $match) {
$upper_string = substr_replace($upper_string, strtolower($match[0]), $match[1], strlen($match[0])); $upper_string = substr_replace($upper_string, strtolower($match[0]), $match[1], strlen($match[0]));
} }
} }
} }
$upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, create_function ('$matches', 'return stripslashes($matches[1]).ucfirst(stripslashes($matches[3]));'), $upper_string); $upper_string = preg_replace_callback("!((^|\s)['\"])(\w)!" . Smarty::$_UTF8_MODIFIER, smarty_mod_cap_ucfirst2_cb('$matches'), $upper_string);
return $upper_string; return $upper_string;
} }
/**
*
* Bug: create_function() use exhausts memory when used in long loops
* Fix: use declared functions for callbacks instead of using create_function()
* Note: This can be fixed using anonymous functions instead, but that requires PHP >= 5.3
*
* @author Kyle Renfrow
*/
function smarty_mod_cap_mbconvert_cb($matches){
return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[2]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");
}
function smarty_mod_cap_mbconvert2_cb($matches){
return stripslashes($matches[1]).mb_convert_case(stripslashes($matches[3]),MB_CASE_UPPER, "' . addslashes(Smarty::$_CHARSET) . '");
}
function smarty_mod_cap_ucfirst_cb($matches){
return stripslashes($matches[1]).ucfirst(stripslashes($matches[2]));
}
function smarty_mod_cap_ucfirst2_cb($matches){
return stripslashes($matches[1]).ucfirst(stripslashes($matches[3]));
}