/**
* Post processes the parsed CSSDocument object.
*
* Handles removal of ignored values and resolving of @import rules.
*
* @todo Should CSSIgnoredValue exist ?
* Another solution would be to add values only if they are not === null,
* i.e. in CSSList::append(), CSSRule::addValue() etc...
**/
private function postParse($oDoc)
{
$aCharsets = array();
$aImports = array();
$aContents = $oDoc->getContents();
foreach ($aContents as $i => $oItem) {
if ($oItem instanceof CSSIgnoredValue) {
unset($aContents[$i]);
} else {
if ($oItem instanceof CSSCharset) {
$aCharsets[] = $oItem;
unset($aContents[$i]);
} else {
if ($oItem instanceof CSSImport) {
$aImports[] = $oItem;
unset($aContents[$i]);
}
}
}
}
$aImportedItems = array();
$aImportOptions = array_merge($this->getOptions(), array('output_encoding' => $this->sCharset, 'base_url' => null));
foreach ($aImports as $oImport) {
if ($this->getOption('resolve_imports')) {
$parser = new CSSParser($aImportOptions);
$sPath = $oImport->getLocation()->getURL()->getString();
$bIsAbsUrl = CSSUrlUtils::isAbsUrl($sPath);
if ($this->sImportMode == self::IMPORT_URL || $bIsAbsUrl) {
if (!in_array($sPath, $this->aLoadedFiles)) {
$oImportedDoc = $parser->parseURL($sPath, $this->aLoadedFiles);
$this->aLoadedFiles = $parser->getLoadedFiles();
$aImportedContents = $oImportedDoc->getContents();
}
} else {
if ($this->sImportMode == self::IMPORT_FILE) {
$sPath = realpath($sPath);
if (!in_array($sPath, $this->aLoadedFiles)) {
$oImportedDoc = $parser->parseFile($sPath, $this->aLoadedFiles);
$this->aLoadedFiles = $parser->getLoadedFiles();
$aImportedContents = $oImportedDoc->getContents();
}
}
}
if ($oImport->getMediaQuery() !== null) {
$sMediaQuery = $oImport->getMediaQuery();
$oMediaQuery = new CSSMediaQuery();
$oMediaQuery->setQuery($sMediaQuery);
$oMediaQuery->setContents($aImportedContents);
$aImportedContents = array($oMediaQuery);
}
} else {
$aImportedContents = array($oImport);
}
$aImportedItems = array_merge($aImportedItems, $aImportedContents);
}
$aContents = array_merge($aImportedItems, $aContents);
if (isset($aCharsets[0])) {
array_unshift($aContents, $aCharsets[0]);
}
$oDoc->setContents($aContents);
}
