/**
* Parses inbound CSS, storing it as an internal representation of keys and code
* @param string $str A valid CSS string
* @return int the number of CSS keys stored
*/
public function parseString($str, $clear = false)
{
if ($clear) {
$this->clear();
}
$keys = '';
$Instr = $str;
// Remove comments
$str = preg_replace("/\\/\\*(.*)?\\*\\//Usi", "", $str);
$str = str_replace("\t", "", $str);
$str = str_replace("}\\", '[TANTEK]', $str);
// find nested stylesheets
preg_match_all('/(\\@[^\\{]*\\{)([^\\{^\\}]*(\\{[^\\@^\\{^\\}]*\\}[^\\{^\\}]*)*?)\\}/', $str, $nested);
$nestIndex = sizeof($this->nestedItems);
if (sizeof($nested[0]) && isset($nested[1]) && is_array($nested[1]) && sizeof($nested[1])) {
foreach ($nested[1] as $nestNum => $nestSel) {
if (!empty($nestSel) && isset($nested[2]) && is_array($nested[2]) && isset($nested[2][$nestNum])) {
// handle imported stylesheets separately
if (stristr($nestSel, '@import') !== false) {
continue;
}
$subSheet = new CSS_Magic($this->processImports, $this->baseUrl, $this->basePath);
$subSheet->set_filename($this->filename);
$this->totalItems = $this->totalItems + $subSheet->parseString($nested[2][$nestNum]);
$this->nestedItems[$nestIndex] = array('selector' => $nestSel, 'content' => $subSheet);
$str = str_replace($nested[0][$nestNum], '[WPU_NESTED] {' . $nestIndex . '}', $str);
$nestIndex++;
}
}
}
// Other nested stylesheets:
if ($this->processImports) {
preg_match_all('/\\@import\\s(url\\()?[\'"]?([^\'^"^\\)]*)[\'"]?\\)?;/', $str, $imported);
$importIndex = sizeof($this->importedItems);
if (sizeof($imported[0]) && isset($imported[2]) && is_array($imported[2]) && sizeof($imported[2])) {
foreach ($imported[2] as $importNum => $importUrl) {
$this->totalItems = $this->totalItems + 1;
$subSheet = new CSS_Magic($this->processImports, $this->baseUrl, $this->basePath);
$this->importedItems[$importIndex] = array('obj' => $subSheet, 'orig' => $imported[0][$importNum], 'url' => $imported[2][$importNum]);
$str = str_replace($imported[0][$importNum], '[WPU_NESTED_IMPORT] {' . $importIndex . '}', $str);
$importIndex++;
}
}
// Now process the nested imports:
$this->process_imports($subUrl, $subPath);
}
$parts = explode("}", $str);
if (count($parts) > 0) {
foreach ($parts as $part) {
if (strpos($part, '{') !== FALSE) {
list($keys, $cssCode) = explode('{', $part);
// store full selector
if (strlen($keys) > 0) {
$keys = str_replace("\n", "", $keys);
$keys = str_replace("\r", "", $keys);
$keys = str_replace("\\", "", $keys);
$this->addSelector($keys, trim($cssCode));
}
}
}
}
// process nested stylesheets too
$this->totalItems = $this->totalItems + count($this->css);
return $this->totalItems;
}
