/**
* @param string $data Full file contents
* @param string $filename Full path to file for debugging
* @return string[] Sections indexed by language code, or 0 for header section
* @throws MWException
*/
protected function splitSections($data, $filename = 'unknown')
{
$data = SimpleFFS::fixNewLines($data);
$splitter = '$messages = array();';
$pos = strpos($data, $splitter);
if ($pos === false) {
throw new MWException("MWEFFS1: File {$filename}: splitter not found");
}
$offset = $pos + strlen($splitter);
$header = substr($data, 0, $offset);
$pattern = '(?: /\\*\\* .*? \\*/ \\n )? (?: \\$.*? \\n\\);(?:\\n\\n|\\s+\\z) )';
$regexp = "~{$pattern}~xsu";
$matches = array();
preg_match_all($regexp, $data, $matches, PREG_SET_ORDER, $offset);
$sections = array();
$sections[] = $header;
foreach ($matches as $data) {
$pattern = "\\\$messages\\['([a-z-]+)'\\]";
$regexp = "~{$pattern}~su";
$matches = array();
if (!preg_match($regexp, $data[0], $matches)) {
throw new MWException("MWEFFS2: File {$filename}: malformed section: {$data[0]}");
}
$code = $matches[1];
// Normalize number of newlines after each section
$sections[$code] = rtrim($data[0]);
}
return $sections;
}
/**
* @param $group FileBasedMessageGroup
*/
public function __construct(FileBasedMessageGroup $group)
{
parent::__construct($group);
if (isset($this->extra['keySeparator'])) {
$this->keySeparator = $this->extra['keySeparator'];
}
}
/**
* @param $var
* @return array
* @throws MWException
*/
public function parseSections( $var ) {
if ( $this->filename === false ) {
return array( '', array() );
}
$data = file_get_contents( $this->filename ) . "\n";
$data = SimpleFFS::fixNewLines( $data );
$headerP = "
.*? # Ungreedily eat header
\\$$var \s* = \s* array \s* \( \s* \) \s*;";
/*
* x to have nice syntax
* u for utf-8
* s for dot matches newline
*/
$fileStructure = "~^($headerP)(.*)~xsu";
$matches = array();
if ( !preg_match( $fileStructure, $data, $matches ) ) {
throw new MWException( "Unable to parse file structure" );
}
list( , $header, $data ) = $matches;
$sectionP = '(?: /\*\* .*? \*/ )? (?: .*? \n\);\n\n )';
$codeP = "\\$$var\[' (.*?) '\]";
$sectionMatches = array();
if ( !preg_match_all( "~$sectionP~xsu", $data, $sectionMatches, PREG_SET_ORDER ) ) {
throw new MWException( "Unable to parse sections" );
}
$sections = array();
$unknown = array();
foreach ( $sectionMatches as $data ) {
$code = array();
if ( !preg_match( "~$codeP~xsu", $data[0], $code ) ) {
echo "Malformed section:\n$data[0]";
$unknown[] = $data[0];
} else {
$sections[$code[1]] = $data[0];
}
}
if ( $unknown ) {
$sections[] = implode( "\n", $unknown );
}
return array( $header, $sections );
}
