/**
* Resolves a given path to a full template file path, making sure it's valid
*
* @param string $templatePath
*
* @throws LiquidException
* @return string
*/
public function fullPath($templatePath)
{
$nameRegex = Liquid::get('INCLUDE_ALLOW_EXT') ? new Regexp('/^[^.\\/][a-zA-Z0-9_\\.\\/]+$/') : new Regexp('/^[^.\\/][a-zA-Z0-9_\\/]+$/');
if (!$nameRegex->match($templatePath)) {
throw new LiquidException("Illegal template name '{$templatePath}'");
}
if (strpos($templatePath, '/') !== false) {
$fullPath = Liquid::get('INCLUDE_ALLOW_EXT') ? $this->root . dirname($templatePath) . '/' . basename($templatePath) : $this->root . dirname($templatePath) . '/' . Liquid::get('INCLUDE_PREFIX') . basename($templatePath) . '.' . Liquid::get('INCLUDE_SUFFIX');
} else {
$fullPath = Liquid::get('INCLUDE_ALLOW_EXT') ? $this->root . $templatePath : $this->root . Liquid::get('INCLUDE_PREFIX') . $templatePath . '.' . Liquid::get('INCLUDE_SUFFIX');
}
$rootRegex = new Regexp('/' . preg_quote(realpath($this->root), '/') . '/');
if (!$rootRegex->match(realpath($fullPath))) {
throw new LiquidException("Illegal template path '" . realpath($fullPath) . "'");
}
return $fullPath;
}
/**
* Constructor
*
* @param string $markup
*/
public function __construct($markup)
{
$this->markup = $markup;
$quotedFragmentRegexp = new Regexp('/\\s*(' . Liquid::get('QUOTED_FRAGMENT') . ')/');
$filterSeperatorRegexp = new Regexp('/' . Liquid::get('FILTER_SEPARATOR') . '\\s*(.*)/');
$filterSplitRegexp = new Regexp('/' . Liquid::get('FILTER_SEPARATOR') . '/');
$filterNameRegexp = new Regexp('/\\s*(\\w+)/');
$filterArgumentRegexp = new Regexp('/(?:' . Liquid::get('FILTER_ARGUMENT_SEPARATOR') . '|' . Liquid::get('ARGUMENT_SEPARATOR') . ')\\s*(' . Liquid::get('QUOTED_FRAGMENT_FILTER_ARGUMENT') . ')/');
$quotedFragmentRegexp->match($markup);
$this->name = isset($quotedFragmentRegexp->matches[1]) ? $quotedFragmentRegexp->matches[1] : null;
if ($filterSeperatorRegexp->match($markup)) {
$filters = $filterSplitRegexp->split($filterSeperatorRegexp->matches[1]);
foreach ($filters as $filter) {
$filterNameRegexp->match($filter);
$filtername = $filterNameRegexp->matches[1];
$filterArgumentRegexp->matchAll($filter);
$matches = Liquid::arrayFlatten($filterArgumentRegexp->matches[1]);
$this->filters[] = array($filtername, $matches);
}
} else {
$this->filters = array();
}
}
/**
* @param string
* @return void
*/
public function parse($text)
{
$this->texy->invokeHandlers('beforeBlockParse', [$this, &$text]);
// parser initialization
$this->text = $text;
$this->offset = 0;
// parse loop
$matches = [];
$priority = 0;
foreach ($this->patterns as $name => $pattern) {
$ms = Regexp::match($text, $pattern['pattern'], Regexp::OFFSET_CAPTURE | Regexp::ALL);
foreach ((array) $ms as $m) {
$offset = $m[0][1];
foreach ($m as $k => $v) {
$m[$k] = $v[0];
}
$matches[] = [$offset, $name, $m, $priority];
}
$priority++;
}
unset($name, $pattern, $ms, $m, $k, $v);
usort($matches, function ($a, $b) {
if ($a[0] === $b[0]) {
return $a[3] < $b[3] ? -1 : 1;
}
if ($a[0] < $b[0]) {
return -1;
}
return 1;
});
$matches[] = [strlen($text), NULL, NULL];
// terminal cap
// process loop
$el = $this->element;
$cursor = 0;
do {
do {
list($mOffset, $mName, $mMatches) = $matches[$cursor];
$cursor++;
if ($mName === NULL || $mOffset >= $this->offset) {
break;
}
} while (1);
// between-matches content
if ($mOffset > $this->offset) {
$s = trim(substr($text, $this->offset, $mOffset - $this->offset));
if ($s !== '') {
$this->texy->paragraphModule->process($this, $s, $el);
}
}
if ($mName === NULL) {
break;
// finito
}
$this->offset = $mOffset + strlen($mMatches[0]) + 1;
// 1 = \n
$res = call_user_func_array($this->patterns[$mName]['handler'], [$this, $mMatches, $mName]);
if ($res === FALSE || $this->offset <= $mOffset) {
// module rejects text
// asi by se nemelo stat, rozdeli generic block
$this->offset = $mOffset;
// turn offset back
continue;
} elseif ($res instanceof HtmlElement) {
$el->insert(NULL, $res);
} elseif (is_string($res)) {
$el->insert(NULL, $res);
}
} while (1);
}
/**
* Create a variable for the given token
*
* @param string $token
*
* @throws \Liquid\LiquidException
* @return Variable
*/
private function createVariable($token)
{
$variableRegexp = new Regexp('/^' . Liquid::get('VARIABLE_START') . '(.*)' . Liquid::get('VARIABLE_END') . '$/');
if ($variableRegexp->match($token)) {
return new Variable($variableRegexp->matches[1]);
}
throw new LiquidException("Variable {$token} was not properly terminated");
}