/**
* Parse the template
* @param blob $source template source code
* @param object $blocks `BlockSet` object
* @return [type] [description]
*/
public static function parse($blocks, $data, $options)
{
$options += array('type' => 'html');
$cache = new Cache();
static::$_terminals = array_flip(Lexer::terminals());
static::$_blocks = $blocks;
static::$_cacheFile = substr(str_ireplace('/', '_', static::$_blocks->templates(0)), 1);
$key = static::$_cacheFile . $options['type'];
$_pattern = "/{:(block) \"({:block})\"(?: \\[(.+)\\])?}(.*){\\1:}/msU";
static::$_templates = array_reverse($blocks->templates());
if ($cache->file(sha1($key))) {
return sha1($key);
} else {
$i = 0;
while ($i < ($count = count(static::$_templates))) {
if ($i == $count) {
break;
}
$source = static::_read(static::$_templates[$i]);
$template = static::_replace($source, $i, $options);
$i++;
}
}
// final parent template handler
return static::$_template;
}
/**
* Run the Lexer and gather the block objects
* @param blob $source template contents
* @param string $template path to template
* @return object|string BlockSet object or path to cached template
*/
public static function run($template, $data = array(), array $options = array())
{
/**
* Lets check for cache, if exists then we'll return the cache file name
* @var Cache
*/
$options += array('type' => 'html');
$_cache = new Cache();
$file = static::_template($template);
$_cacheFile = sha1($file . $options['type']);
if ($_isCached = $_cache->file($_cacheFile) and $_cache->cache()) {
return $_isCached;
}
/**
* Guess there was no cache file, lets lex this mother.
*/
$source = self::_read($template);
$_blockSet = static::$_blockSet;
$template = self::_template($template);
// Set the final template, this gets reset on every iteration to the current template
// landing, finally, on the last.
static::$_blockSet->templates($template);
foreach (static::$_terminals as $pattern => $terminal) {
// attempt to match block/parent regex
$_preg = $terminal == "T_BLOCK" ? preg_match_all($pattern, $source, $matches) : preg_match($pattern, $source, $matches);
if ($_preg) {
// Blocks, load them in the BlockSet
if ($terminal == "T_BLOCK") {
foreach ($matches[2] as $index => $name) {
/**
* Block parameters
* Options that can be set to modify how the block is rendered
* @var [type]
*/
$params = explode(',', $matches[3][$index]);
$params = array_map(function ($param) {
return trim($param);
}, $params);
static::$_blockSet->push($name, $matches[4][$index], $template, $params);
}
// Parent templates, read these and throw them back to the lexer.
} else {
if (!empty(static::$_hierarchy)) {
list($type, $file) = array_slice($matches, 2);
if (empty($type)) {
$type = 'template';
} else {
$type = trim($type);
}
// override the controller if more than simple file name is passed in. First directory becomes controller
$file = explode('/', ltrim($file, '/'));
if (count($file) > 1) {
$options['controller'] = array_shift($file);
}
// set filename to template/layout
$file = implode('/', $file);
preg_match('/(' . implode('|', Media::types()) . ')\\.php$/', $file, $extensions);
if (count($extensions) == 2) {
// remove .{:type}.php
$file = substr($file, 0, strlen($file) - strlen($extensions[0]) - 1);
// set type to render as extension specified
$options['type'] = $extensions[1];
}
$options[$type] = $file;
// template path from \lithium\template\view\adapter\File
$_template = static::$_hierarchy->template($type, $options);
// if $_hierarchy not passed in, use template as is
} else {
$_template = $matches[3];
}
static::run($_template, $data, $options);
}
}
}
return static::$_blockSet;
}
