/**
* Add line numbers in C-style comments
*
* This uses a very basic parser easily fooled by comment tokens inside
* strings or regexes, but, otherwise, generally clean code will not be
* mangled. URI rewriting can also be performed.
*
* @param string $content
*
* @param array $options available options:
*
* 'id': (optional) string to identify file. E.g. file name/path
*
* 'currentDir': (default null) if given, this is assumed to be the
* directory of the current CSS file. Using this, minify will rewrite
* all relative URIs in import/url declarations to correctly point to
* the desired files, and prepend a comment with debugging information about
* this process.
*
* @return string
*/
public static function minify($content, $options = array())
{
$id = isset($options['id']) && $options['id'] ? $options['id'] : '';
$content = str_replace("\r\n", "\n", $content);
$lines = explode("\n", $content);
$numLines = count($lines);
// determine left padding
$padTo = strlen((string) $numLines);
// e.g. 103 lines = 3 digits
$inComment = false;
$i = 0;
$newLines = array();
while (null !== ($line = array_shift($lines))) {
if ('' !== $id && 0 == $i % 50) {
if ($inComment) {
array_push($newLines, '', "/* {$id} *|", '');
} else {
array_push($newLines, '', "/* {$id} */", '');
}
}
++$i;
$newLines[] = self::_addNote($line, $i, $inComment, $padTo);
$inComment = self::_eolInComment($line, $inComment);
}
$content = implode("\n", $newLines) . "\n";
// check for desired URI rewriting
if (isset($options['currentDir'])) {
Minify_CSS_UriRewriter::$debugText = '';
$docRoot = isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT'];
$symlinks = isset($options['symlinks']) ? $options['symlinks'] : array();
$content = Minify_CSS_UriRewriter::rewrite($content, $options['currentDir'], $docRoot, $symlinks);
$content = "/* Minify_CSS_UriRewriter::\$debugText\n\n" . Minify_CSS_UriRewriter::$debugText . "*/\n" . $content;
}
return $content;
}
/**
* Add line numbers in C-style comments
*
* This uses a very basic parser easily fooled by comment tokens inside
* strings or regexes, but, otherwise, generally clean code will not be
* mangled. URI rewriting can also be performed.
*
* @param string $content
*
* @param array $options available options:
*
* 'id': (optional) string to identify file. E.g. file name/path
*
* 'currentDir': (default null) if given, this is assumed to be the
* directory of the current CSS file. Using this, minify will rewrite
* all relative URIs in import/url declarations to correctly point to
* the desired files, and prepend a comment with debugging information about
* this process.
*
* @return string
*/
public static function minify($content, $options = array())
{
$id = isset($options['id']) && $options['id'] ? $options['id'] : '';
$content = str_replace("\r\n", "\n", $content);
// Hackily rewrite strings with XPath expressions that are
// likely to throw off our dumb parser (for Prototype 1.6.1).
$content = str_replace('"/*"', '"/"+"*"', $content);
$content = preg_replace('@([\'"])(\\.?//?)\\*@', '$1$2$1+$1*', $content);
$lines = explode("\n", $content);
$numLines = count($lines);
// determine left padding
$padTo = strlen((string) $numLines);
// e.g. 103 lines = 3 digits
$inComment = false;
$i = 0;
$newLines = array();
while (null !== ($line = array_shift($lines))) {
if ('' !== $id && 0 == $i % 50) {
array_push($newLines, '', "/* {$id} */", '');
}
++$i;
$newLines[] = self::_addNote($line, $i, $inComment, $padTo);
$inComment = self::_eolInComment($line, $inComment);
}
$content = implode("\n", $newLines) . "\n";
// check for desired URI rewriting
if (isset($options['currentDir'])) {
//require _once MINIFY_MIN_DIR.'/Minify/CSS/UriRewriter.php';
Minify_CSS_UriRewriter::$debugText = '';
$content = Minify_CSS_UriRewriter::rewrite($content, $options['currentDir'], isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT'], isset($options['symlinks']) ? $options['symlinks'] : array());
$content = "/* Minify_CSS_UriRewriter::\$debugText\n\n" . Minify_CSS_UriRewriter::$debugText . "*/\n" . $content;
}
return $content;
}
function test_Minify_CSS_UriRewriter()
{
global $thisDir;
Minify_CSS_UriRewriter::$debugText = '';
$in = file_get_contents($thisDir . '/_test_files/css_uriRewriter/in.css');
$expected = file_get_contents($thisDir . '/_test_files/css_uriRewriter/exp.css');
$actual = Minify_CSS_UriRewriter::rewrite($in, $thisDir . '/_test_files/css_uriRewriter', $thisDir);
$passed = assertTrue($expected === $actual, 'Minify_CSS_UriRewriter');
if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
echo "\n---Input:\n\n{$in}\n";
echo "\n---Output: " . strlen($actual) . " bytes\n\n{$actual}\n\n";
if (!$passed) {
echo "---Expected: " . strlen($expected) . " bytes\n\n{$expected}\n\n\n";
}
// show debugging only when test run directly
echo "--- Minify_CSS_UriRewriter::\$debugText\n\n", Minify_CSS_UriRewriter::$debugText;
}
Minify_CSS_UriRewriter::$debugText = '';
$in = '../../../../assets/skins/sam/sprite.png';
$exp = '/yui/assets/skins/sam/sprite.png';
$actual = Minify_CSS_UriRewriter::rewriteRelative($in, 'sf_root_dir\\web\\yui\\menu\\assets\\skins\\sam', 'sf_root_dir\\web');
$passed = assertTrue($exp === $actual, 'Minify_CSS_UriRewriter : Issue 99');
if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
echo "\n---Input:\n\n{$in}\n";
echo "\n---Output: " . strlen($actual) . " bytes\n\n{$actual}\n\n";
if (!$passed) {
echo "---Expected: " . strlen($exp) . " bytes\n\n{$exp}\n\n\n";
}
// show debugging only when test run directly
echo "--- Minify_CSS_UriRewriter::\$debugText\n\n", Minify_CSS_UriRewriter::$debugText;
}
}
/**
* Add line numbers in C-style comments
*
* This uses a very basic parser easily fooled by comment tokens inside
* strings or regexes, but, otherwise, generally clean code will not be
* mangled. URI rewriting can also be performed.
*
* @param string $content
*
* @param array $options available options:
*
* 'id': (optional) string to identify file. E.g. file name/path
*
* 'currentDir': (default null) if given, this is assumed to be the
* directory of the current CSS file. Using this, minify will rewrite
* all relative URIs in import/url declarations to correctly point to
* the desired files, and prepend a comment with debugging information about
* this process.
*
* @return string
*/
public static function minify($content, $options = array())
{
$id = isset($options['id']) && $options['id'] ? $options['id'] : '';
$content = str_replace("\r\n", "\n", $content);
$lines = explode("\n", $content);
$numLines = count($lines);
// determine left padding
$padTo = strlen($numLines);
$inComment = false;
$i = 0;
$newLines = array();
while (null !== ($line = array_shift($lines))) {
if ('' !== $id && 0 == $i % 50) {
array_push($newLines, '', "/* {$id} */", '');
}
++$i;
$newLines[] = self::_addNote($line, $i, $inComment, $padTo);
$inComment = self::_eolInComment($line, $inComment);
}
$content = implode("\n", $newLines) . "\n";
// check for desired URI rewriting
if (isset($options['currentDir'])) {
require_once W3TC_LIB_MINIFY_DIR . '/Minify/CSS/UriRewriter.php';
Minify_CSS_UriRewriter::$debugText = '';
$content = Minify_CSS_UriRewriter::rewrite($content, $options['currentDir'], isset($options['docRoot']) ? $options['docRoot'] : $_SERVER['DOCUMENT_ROOT'], isset($options['symlinks']) ? $options['symlinks'] : array(), isset($options['browserCacheId']) ? $options['browserCacheId'] : 0, isset($options['browserCacheExtensions']) ? $options['browserCacheExtensions'] : array());
$content = "/* Minify_CSS_UriRewriter::\$debugText\n\n" . Minify_CSS_UriRewriter::$debugText . "*/\n" . $content;
} elseif (isset($options['prependRelativePath'])) {
require_once W3TC_LIB_MINIFY_DIR . '/Minify/CSS/UriRewriter.php';
Minify_CSS_UriRewriter::$debugText = '';
$content = Minify_CSS_UriRewriter::prepend($content, $options['prependRelativePath'], isset($options['browserCacheId']) ? $options['browserCacheId'] : 0, isset($options['browserCacheExtensions']) ? $options['browserCacheExtensions'] : array());
}
return $content;
}
private static function _processImportUriCB($m)
{
$uri = trim($m[1], '()"\' ');
// We want to grab the import.
if (strpos($uri, '//') !== false) {
$path = $uri;
} elseif ($uri[0] == '/') {
$path = self::_realpath(self::$_docRoot, $uri);
} else {
$path = realpath2(self::$_currentDir . '/' . trim($uri, '/\\'));
if (substr_compare(self::$_docRoot, $path, 0, strlen($path)) != 0) {
return "/* Error: {$uri} isn't in the webroot. */\n";
} elseif (substr_compare($path, '.css', -4, 4, true) != 0) {
return "/* Error: {$uri} must end in .css. */\n";
}
}
$css = file_get_contents($path);
// Not so fast, we've got to rewrite this file too. What's more, the current dir and path are different.
$bak = array(self::$_currentDir, self::$_prependPath, self::$_docRoot, self::$debugText);
self::$debugText = '';
if (IsUrl($path)) {
$newCurrentDir = $path;
$newDocRoot = $path;
} else {
$newDocRoot = self::$_docRoot;
$newCurrentDir = realpath2($currentDirBak . realpath2(dirname($uri)));
}
$css = self::rewrite($css, $newCurrentDir, $newDocRoot);
list(self::$_currentDir, self::$_prependPath, self::$_docRoot, self::$debugText) = $bak;
return "/* @include url('{$uri}'); */\n" . $css;
}
