/**
* Loop through template sections and organize them into a hierarchy
* and assign addition meta data to any tags
* @param array $array Array of template segments
* @return array
*/
protected function _tree($array)
{
$root = array('children' => array());
$current =& $root;
foreach ($array as $i => $node) {
$result = $this->_tag($node);
if ($result) {
if (isset($result['tag'])) {
$tag = $result['tag'];
} else {
$tag = "";
}
if (isset($result['arguments'])) {
$arguments = $result['arguments'];
} else {
$arguments = "";
}
if ($tag) {
// If segment does not contain a closer
if (!$result['closer']) {
// clean up syntax if segment is isolated and
// preceded by an plain text segment
$last = ArrayMethods::last($current['children']);
if ($result['isolated'] && is_string($last)) {
array_pop($current['children']);
}
$current['children'][] = array('index' => $i, 'parent' => &$current, 'children' => array(), 'raw' => $result['source'], 'tag' => $tag, 'arguments' => $arguments, 'delimiter' => $result['delimiter'], 'number' => count($current['children']));
$current =& $current['children'][count($current['children']) - 1];
} else {
if (isset($current['tag']) && $result['tag'] == $current['tag']) {
$start = $current['index'] + 1;
$length = $i - $start;
$current['source'] = implode(array_slice($array, $start, $length));
$current =& $current['parent'];
}
}
} else {
$current['children'][] = array('index' => $i, 'parent' => &$current, 'children' => array(), 'raw' => $result['source'], 'tag' => $tag, 'arguments' => $arguments, 'delimiter' => $result['delimiter'], 'number' => count($current['children']));
}
} else {
$current['children'][] = $node;
}
}
return $root;
}
/**
* Loops through the array of template segments, generated by the _array() method,
* and organizes them into a hierarchical structure. Plain text nodes are simply assigned as-is to the tree,
* while additional metadata is generated and assigned with the tags.
*
* @param type $array
* @return array
*/
protected function _tree($array)
{
$root = array("children" => array());
$current =& $root;
foreach ($array as $i => $node) {
$result = $this->_tag($node);
if ($result) {
$tag = isset($result["tag"]) ? $result["tag"] : "";
$arguments = isset($result["arguments"]) ? $result["arguments"] : "";
if ($tag) {
if (!$result["closer"]) {
$last = ArrayMethods::last($current["children"]);
if ($result["isolated"] && is_string($last)) {
array_pop($current["children"]);
}
$current["children"][] = array("index" => $i, "parent" => &$current, "children" => array(), "raw" => $result["source"], "tag" => $tag, "arguments" => $arguments, "delimiter" => $result["delimiter"], "number" => sizeof($current["children"]));
$current =& $current["children"][sizeof($current["children"]) - 1];
} else {
if (isset($current["tag"]) && $result["tag"] == $current["tag"]) {
$start = $current["index"] + 1;
$length = $i - $start;
$current["source"] = implode(array_slice($array, $start, $length));
$current =& $current["parent"];
}
}
} else {
$current["children"][] = array("index" => $i, "parent" => &$current, "children" => array(), "raw" => $result["source"], "tag" => $tag, "arguments" => $arguments, "delimiter" => $result["delimiter"], "number" => sizeof($current["children"]));
}
} else {
$current["children"][] = $node;
}
}
return $root;
}