Index: includes/common.inc =================================================================== RCS file: /cvs/drupal/drupal/includes/common.inc,v retrieving revision 1.1176 diff -u -r1.1176 common.inc --- includes/common.inc 9 Jun 2010 14:55:30 -0000 1.1176 +++ includes/common.inc 16 Jun 2010 11:27:59 -0000 @@ -3266,14 +3266,21 @@ if ($optimize) { // Perform some safe CSS optimizations. - $contents = preg_replace('{ - (?<=\\\\\*/)([^/\*]+/\*)([^\*/]+\*/) # Add a backslash also at the end ie-mac hack comment, so the next pass will not touch it. - # The added backslash does not affect the effectiveness of the hack. - }x', '\1\\\\\2', $contents); - $contents = preg_replace('< - \s*([@{}:;,]|\)\s|\s\()\s* | # Remove whitespace around separators, but keep space around parentheses. - /\*[^*\\\\]*\*+([^/*][^*]*\*+)*/ | # Remove comments that are not CSS hacks. - >x', '\1', $contents); + // Regexp to match comment blocks. + $comment = '/\*[^*]*\*+(?:[^/*][^*]*\*+)*/'; + // Regexp to match double quoted strings. + $double_quot = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"'; + // Regexp to match single quoted strings. + $single_quot = "'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'"; + $contents = preg_replace_callback( + "<$double_quot|$single_quot|$comment>Sus", // Match all comment blocks along + "_process_stylesheet_comment", // with double/single quoted strings + $contents); // and feed them to _process_comment(). + $contents = preg_replace( + '<\s*([@{}:;,]|\)\s|\s\()\s*>S', // Remove whitespace around separators, + '\1', $contents); // but keep space around parentheses. + // End the file with a new line. + $contents .= "\n"; } // Replaces @import commands with the actual stylesheet content. @@ -3283,6 +3290,46 @@ } /** + * Process comment blocks. + * + * This is the callback function for the preg_replace_callback() + * used in drupal_load_stylesheet_content(). Support for comment + * hacks is implemented here. + */ +function _process_stylesheet_comment($matches) { + // Use the advanced drupal_static() pattern, since this is called very often. + static $drupal_static_fast; + if (!isset($drupal_static_fast)) { + $drupal_static_fast['keep_nextone'] = &drupal_static(__FUNCTION__, FALSE); + } + $keep_nextone = &$drupal_static_fast['keep_nextone']; + + // Quoted string, keep it. + if ($matches[0][0] == "'" || $matches[0][0] == '"') { + return $matches[0]; + } + // End of IE-Mac hack, keep it. + if ($keep_nextone) { + $keep_nextone = FALSE; + return $matches[0]; + } + switch (strrpos($matches[0], '\\')) { + case FALSE : + // No backslash, strip it. + return ''; + + case drupal_strlen($matches[0])-3 : + // Ends with \*/ so is a multi line IE-Mac hack, keep the next one also. + $keep_nextone = TRUE; + return '/*_\*/'; + + default : + // Single line IE-Mac hack. + return '/*\_*/'; + } +} + +/** * Loads stylesheets recursively and returns contents with corrected paths. * * This function is used for recursive loading of stylesheets and Index: modules/simpletest/tests/common.test =================================================================== RCS file: /cvs/drupal/drupal/modules/simpletest/tests/common.test,v retrieving revision 1.112 diff -u -r1.112 common.test --- modules/simpletest/tests/common.test 18 May 2010 06:59:46 -0000 1.112 +++ modules/simpletest/tests/common.test 16 Jun 2010 11:27:59 -0000 @@ -101,13 +101,13 @@ $class = $this->randomName(); $link = l($this->randomName(), $_GET['q'], array('attributes' => array('class' => array($class)))); $this->assertTrue($this->hasClass($link, $class), t('Custom class @class is present on link when requested', array('@class' => $class))); - $this->assertTrue($this->hasClass($link, 'active'), t('Class @class is present on link to the current page', array('@class' => 'active'))); + $this->assertTrue($this->hasClass($link, 'active'), t('Class @class is present on link to the current page', array('@class' => 'active'))); } private function hasClass($link, $class) { return preg_match('|class="([^\"\s]+\s+)*' . $class . '|', $link); } - + /** * Test drupal_get_query_parameters(). */ @@ -811,7 +811,8 @@ // - Optimized expected content: name.css.optimized.css $testfiles = array( 'css_input_without_import.css', - 'css_input_with_import.css' + 'css_input_with_import.css', + 'comment_hacks.css' ); $path = drupal_get_path('module', 'simpletest') . '/files/css_test_files'; foreach ($testfiles as $file) { Index: modules/simpletest/files/css_test_files/css_input_with_import.css.optimized.css =================================================================== RCS file: /cvs/drupal/drupal/modules/simpletest/files/css_test_files/css_input_with_import.css.optimized.css,v retrieving revision 1.1 diff -u -r1.1 css_input_with_import.css.optimized.css --- modules/simpletest/files/css_test_files/css_input_with_import.css.optimized.css 7 Jan 2010 07:45:03 -0000 1.1 +++ modules/simpletest/files/css_test_files/css_input_with_import.css.optimized.css 16 Jun 2010 11:27:59 -0000 @@ -1,6 +1,8 @@ ul,select{font:1em/160% Verdana,sans-serif;color:#494949;}.ui-icon{background-image:url(images/icon.png);} -p,select{font:1em/160% Verdana,sans-serif;color:#494949;}body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this + +p,select{font:1em/160% Verdana,sans-serif;color:#494949;} +body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this .is .a -.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;} \ No newline at end of file +.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;} Index: modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css =================================================================== RCS file: /cvs/drupal/drupal/modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css,v retrieving revision 1.2 diff -u -r1.2 css_input_without_import.css.optimized.css --- modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css 10 Nov 2009 17:27:53 -0000 1.2 +++ modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css 16 Jun 2010 11:27:59 -0000 @@ -3,9 +3,7 @@ -body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;} - -.this +body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this .is .a -.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;} \ No newline at end of file +.test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;} Index: modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css =================================================================== RCS file: modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css diff -N modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css 1 Jan 1970 00:00:00 -0000 @@ -0,0 +1,80 @@ +/* +* A sample css file, designed to test the effectiveness and stability +* of function drupal_load_stylesheet_content(). +* +*/ +/* +A large comment block to test for segfaults and speed. This is 60K a's. Extreme but usefull to demonstrate flaws in comment striping regexp. 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/ +.test1 { display:block;} + +/* A multiline IE-mac hack (v.2) taken fron Zen theme*/ +/* Hides from IE-mac \*/ +html .clear-block { + height: 1%; +} +.clear-block { + display: block; + font:italic bold 12px/30px Georgia, serif; +} + +/* End hide from IE-mac */ +.test2 { display:block; } + +/* v1 of the commented backslash hack. This \ character between rules appears to have the effect +that macIE5 ignores the following rule. Odd, but extremely useful. */ +.bkslshv1 { background-color: #C00; } +.test3 { display:block; } + +/**************** A multiline, multistar comment *************** +****************************************************************/ +.test4 { display:block;} + +/**************************************/ +.comment-in-double-quotes:before { + content: "/* "; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-double-quotes:after { + content: " */"; +} +/**************************************/ +.comment-in-single-quotes:before { + content: '/*'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-single-quotes:after { + content: '*/'; +} +/**************************************/ +.comment-in-mixed-quotes:before { + content: '"/*"'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-mixed-quotes:after { + content: "'*/'"; +} +/**************************************/ +.comment-in-quotes-with-escaped:before { + content: '/* \" \' */'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-quotes-with-escaped:after { + content: "*/ \" \ '"; +} +/************************************/ +/* +"This has to go" +'This has to go' +*/ Index: modules/simpletest/files/css_test_files/comment_hacks.css =================================================================== RCS file: modules/simpletest/files/css_test_files/comment_hacks.css diff -N modules/simpletest/files/css_test_files/comment_hacks.css --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ modules/simpletest/files/css_test_files/comment_hacks.css 1 Jan 1970 00:00:00 -0000 @@ -0,0 +1,80 @@ +/* +* A sample css file, designed to test the effectiveness and stability +* of function drupal_load_stylesheet_content(). +* +*/ +/* +A large comment block to test for segfaults and speed. This is 60K a's. Extreme but usefull to demonstrate flaws in comment striping regexp. 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/ +.test1 { display:block;} + +/* A multiline IE-mac hack (v.2) taken fron Zen theme*/ +/* Hides from IE-mac \*/ +html .clear-block { + height: 1%; +} +.clear-block { + display: block; + font:italic bold 12px/30px Georgia, serif; +} + +/* End hide from IE-mac */ +.test2 { display:block; } + +/* v1 of the commented backslash hack. This \ character between rules appears to have the effect +that macIE5 ignores the following rule. Odd, but extremely useful. */ +.bkslshv1 { background-color: #C00; } +.test3 { display:block; } + +/**************** A multiline, multistar comment *************** +****************************************************************/ +.test4 { display:block;} + +/**************************************/ +.comment-in-double-quotes:before { + content: "/* "; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-double-quotes:after { + content: " */"; +} +/**************************************/ +.comment-in-single-quotes:before { + content: '/*'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-single-quotes:after { + content: '*/'; +} +/**************************************/ +.comment-in-mixed-quotes:before { + content: '"/*"'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-mixed-quotes:after { + content: "'*/'"; +} +/**************************************/ +.comment-in-quotes-with-escaped:before { + content: '/* \" \' */'; +} +.this_rule_must_stay { + color: #F00; + background-color: #FFF; +} +.comment-in-quotes-with-escaped:after { + content: "*/ \" \ '"; +} +/************************************/ +/* +"This has to go" +'This has to go' +*/ Index: modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css =================================================================== RCS file: modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css diff -N modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css 1 Jan 1970 00:00:00 -0000 @@ -0,0 +1,6 @@ + + +.test1{display:block;}/*_\*/ +html .clear-block{height:1%;}.clear-block{display:block;font:italic bold 12px/30px Georgia,serif;}/* End hide from IE-mac */ +.test2{display:block;}/*\_*/ +.bkslshv1{background-color:#C00;}.test3{display:block;}.test4{display:block;}.comment-in-double-quotes:before{content:"/* ";}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-double-quotes:after{content:" */";}.comment-in-single-quotes:before{content:'/*';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-single-quotes:after{content:'*/';}.comment-in-mixed-quotes:before{content:'"/*"';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-mixed-quotes:after{content:"'*/'";}.comment-in-quotes-with-escaped:before{content:'/* \" \' */';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-quotes-with-escaped:after{content:"*/ \" \ '";}