/**
* Check if an xml code satisfy the schema.
*
* @param string $xml The xml code to verify
* @param string $filename The name of the file from which the xml code has been read from
*
* @return string[]|null Return null of all is ok, a list of errors otherwise
*/
public static function checkString($xml, $filename = '')
{
$doc = Utilities::stringToDOMDocument($xml, $filename);
$errors = null;
$preUseInternalErrors = libxml_use_internal_errors(true);
try {
if (!$doc->schemaValidateSource(static::getSchema())) {
$errors = Utilities::explainLibXmlErrors($filename);
}
} catch (Exception $x) {
libxml_use_internal_errors($preUseInternalErrors);
libxml_clear_errors();
throw $x;
}
libxml_use_internal_errors($preUseInternalErrors);
return $errors;
}
/**
* @param string|SimpleXMLElement $xml
* @param AbstractPlatform $platform
* @param bool $checkXml
* @param bool $normalizeXml
* @param callable|null $tableFilter
*
* @throws Exception
*
* @return Schema
*/
public static function fromDocument($xml, AbstractPlatform $platform, $checkXml = true, $normalizeXml = false, $tableFilter = null)
{
if ($checkXml || $normalizeXml) {
if (is_a($xml, '\\SimpleXMLElement')) {
$xml = $xml->asXML();
}
if ($normalizeXml) {
$xml = Normalizer::normalizeString($xml);
}
if ($checkXml) {
$errors = Checker::checkString($xml);
if (isset($errors)) {
throw new Exception(implode("\n", $errors));
}
}
}
if (is_a($xml, '\\SimpleXMLElement')) {
$xDoc = $xml;
} else {
$preUseInternalErrors = libxml_use_internal_errors(true);
libxml_clear_errors();
$xDoc = @simplexml_load_string($xml);
if (!is_object($xDoc)) {
$errors = Utilities::explainLibXmlErrors();
libxml_clear_errors();
libxml_use_internal_errors($preUseInternalErrors);
throw new Exception(implode("\n", $errors));
}
libxml_use_internal_errors($preUseInternalErrors);
}
$schema = new Schema();
foreach ($xDoc->table as $xTable) {
if (isset($tableFilter) && $tableFilter((string) $xTable['name']) === false) {
continue;
}
static::parseTable($schema, $xTable, $platform);
}
return $schema;
}
/**
* Return the XSLT document that fixes a source xml file.
*
* @throws Exception Throws an Exception if the xsd file couldn't be read.
*
* @return DOMDocument
*/
protected static function getXsltDOMDocument()
{
static $cache = null;
$xsltFile = __DIR__ . '/doctrine-xml-0.5.xsl';
if (!isset($cache)) {
$s = is_file($xsltFile) && is_readable($xsltFile) ? @file_get_contents($xsltFile) : false;
if ($s === false) {
throw new Exception('Failed to load the xslt file ' . $xsltFile);
}
$cache = $s;
}
return Utilities::stringToDOMDocument($cache, $xsltFile);
}
