/**
* Check if the XML respect the DTD.
* Require the XML_DTD package
*
* @param string $xml The XML text to check
*
* @return boolean Return true if valid
* @access public
*/
function isValid(&$xml)
{
$validator = new XML_DTD_XmlValidator();
$tree = new XML_Tree();
$nodes = $tree->getTreeFromString($xml);
if (PEAR::isError($nodes)) {
return $nodes;
}
$parser =& new XML_DTD_Parser();
$validator->dtd = $parser->parse($this->_dtd);
$validator->_runTree($nodes);
if ($validator->_errors) {
$errors = $validator->getMessage();
return PEAR::raiseError($errors, XML_FASTCREATE_ERROR_DTD);
}
return true;
}
/**
* Parse a database definition file by creating a schema format
* parser object and passing the file contents as parser input data stream.
*
* @param string $input_file the database schema file.
* @param array $variables associative array that the defines the text string values
* that are meant to be used to replace the variables that are
* used in the schema description.
* @param bool $fail_on_invalid_names make function fail on invalid names
* @param array $structure database structure definition
*
* @access public
* @return array
*/
function parseDatabaseDefinitionFile($input_file, $variables = array(), $fail_on_invalid_names = true, $structure = false)
{
$dtd_file = $this->options['dtd_file'];
if ($dtd_file) {
include_once 'XML/DTD/XmlValidator.php';
$dtd = new XML_DTD_XmlValidator();
if (!$dtd->isValid($dtd_file, $input_file)) {
return $this->raiseError(MDB2_SCHEMA_ERROR_PARSE, null, null, $dtd->getMessage());
}
}
$class_name = $this->options['parser'];
$result = MDB2::loadClass($class_name, $this->db->getOption('debug'));
if (PEAR::isError($result)) {
return $result;
}
$max_identifiers_length = null;
if (isset($this->db->options['max_identifiers_length'])) {
$max_identifiers_length = $this->db->options['max_identifiers_length'];
}
$parser = new $class_name($variables, $fail_on_invalid_names, $structure, $this->options['valid_types'], $this->options['force_defaults'], $max_identifiers_length);
$result = $parser->setInputFile($input_file);
if (PEAR::isError($result)) {
return $result;
}
$result = $parser->parse();
if (PEAR::isError($result)) {
return $result;
}
if (PEAR::isError($parser->error)) {
return $parser->error;
}
return $parser->database_definition;
}
/**
* Parse a changeset definition file by creating a schema
* parser object and passing the file contents as parser input data stream.
*
* @param string the changeset schema file.
* @param array associative array that the defines the text string values
* that are meant to be used to replace the variables that are
* used in the schema description.
* @param bool make function fail on invalid names
* @param array database structure definition
* @access public
*/
function parseDictionaryDefinitionFile($input_file, $variables = array(), $fail_on_invalid_names = true, $structure = false)
{
$dtd_file = $this->options['dtd_file'];
if ($dtd_file) {
require_once 'XML/DTD/XmlValidator.php';
$dtd = new XML_DTD_XmlValidator();
if (!$dtd->isValid($dtd_file, $input_file)) {
return $this->customRaiseError(MDB2_SCHEMA_ERROR_PARSE, null, null, $dtd->getMessage());
}
}
require_once "MDB2/Schema/ParserDictionary.php";
$class_name = 'MDB2_Dictionary_Parser';
$result = MDB2::loadClass($class_name, $this->db->getOption('debug'));
if (PEAR::isError($result)) {
return $result;
}
$parser = new $class_name($variables, $fail_on_invalid_names, $structure, $this->options['valid_types'], $this->options['force_defaults']);
$class_name = 'MDB2_Schema_Validate';
$parser->val = new $class_name($fail_on_invalid_names, $this->options['valid_types'], $this->options['force_defaults']);
$result = $parser->setInputFile($input_file);
if (PEAR::isError($result)) {
return $result;
}
$result = $parser->parse();
if (PEAR::isError($result)) {
return $result;
}
if (PEAR::isError($parser->error)) {
return $parser->error;
}
$dictionary = $parser->dictionary_definition;
return $dictionary;
}