function tokenize($source)
{
$result = new TokenStream();
$pos = 0;
$matches = array();
preg_match_all($this->pattern, $source, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
if ($match[1]) {
$result->feed('text', $match[1], $pos);
}
$tagpos = $pos + strlen($match[1]);
if ($match[2]) {
$result->feed('block', trim($match[2]), $tagpos);
} elseif ($match[3]) {
$result->feed('variable', trim($match[3]), $tagpos);
} elseif ($match[4]) {
$result->feed('comment', trim($match[4]), $tagpos);
}
$pos += strlen($match[0]);
}
if ($pos < strlen($source)) {
$result->feed('text', substr($source, $pos), $pos);
}
$result->close();
return $result;
}
function tokenize($source)
{
$result = new TokenStream();
$pos = 0;
$matches = array();
preg_match_all($this->pattern, $source, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
if (preg_last_error() == PREG_BACKTRACK_LIMIT_ERROR) {
throw new TemplateSyntaxError('Template too large, PCRE backtrack limit reached');
}
foreach ($matches as $match) {
if (!isset($match["match"])) {
throw new TemplateSyntaxError('Template error');
}
$tagpos = $match["match"][1];
if ($tagpos > 0) {
$text = substr($source, $pos, $tagpos - $pos);
$result->feed('text', $text, $pos);
}
if (isset($match["block"]) && $match["block"][1] != -1) {
$result->feed('block', trim($match["block"][0]), $tagpos);
} elseif (isset($match["variable"]) && $match["variable"][1] != -1) {
$result->feed('variable', trim($match["variable"][0]), $tagpos);
} elseif (iset($match["comment"]) && $match["comment"][1] != -1) {
$result->feed('comment', trim($match["comment"][0]), $tagpos);
}
$pos = $tagpos + strlen($match["match"][0]);
}
if ($pos < strlen($source)) {
$result->feed('text', substr($source, $pos), $pos);
}
$result->close();
return $result;
}