2012-06-20 21:39:23 -07:00

149 lines
3.3 KiB
PHP
Executable File

<?php
/**
* Config object
*
* @author Devin Smith <devin@cana.la>
* @date 2009.10.01
*
* The config object is a self loading xml, json, and ini parser. Pass it a file base name and
* it will construct an object for you to access.
*
*/
final class Cana_Config {
private $_root = 'data';
private $_path;
/**
* Construct the config, parse it, and load it as an object
* Accepts xml, json, or ini
*
*/
public function __construct($config = null, $params = null) {
if (isset($params['dir'])) {
$this->_path = $params['dir'];
}
if (@file_exists($this->_path.$config)) {
$this->_contents = file_get_contents($this->_path.$config);
$this->_type = $this->ext($config);
switch ($this->_type) {
case 'json':
$this->_data = json_decode($this->_contents);
break;
case 'yaml':
$this->_data = yaml_parse($this->_contents);
break;
case 'ini':
$this->_data = parse_ini_string($this->_contents);
break;
case 'xml':
// @todo: convert encoding to allow multibyte
$this->_data = $this->parseXml($this->_contents);
break;
default:
$this->_data = [];
break;
}
} else {
$this->_contents = $config;
if ($json = @json_decode($this->_contents)) {
$this->_type = 'json';
$this->_data = $json;
} elseif ($xml = $this->parseXml($this->_contents)) {
$this->_type = 'xml';
$this->_data = $xml;
} else {
$this->_type = 'ini';
$this->_data = parse_ini_string($this->_contents);
}
}
$this->_contents = null;
if (isset($params['append'])) {
$this->merge($params['append']);
}
$this->_data = Cana_Model::toModel($this->_data);
}
public function merge($data) {
foreach ($data as $key => $value) {
$this->_data->{$key} = Cana_Model::toModel($value);
}
return $this;
}
public function ext($file) {
return substr(strrchr($file, '.'), 1);
}
public function parseXml($xmlstr) {
$doc = new DOMDocument();
$doc->loadXML($xmlstr);
return $this->nodeToArray($doc->documentElement);
}
public function nodeToArray($node) {
$output = [];
switch ($node->nodeType) {
case XML_CDATA_SECTION_NODE:
case XML_TEXT_NODE:
$output = trim($node->textContent);
break;
case XML_ELEMENT_NODE:
for ($i=0, $m=$node->childNodes->length; $i<$m; $i++) {
$child = $node->childNodes->item($i);
$v = $this->nodeToArray($child);
if(isset($child->tagName)) {
$t = $child->tagName;
if(!isset($output[$t])) {
$output[$t] = [];
}
$output[$t][] = $v;
}
elseif($v) {
$output = (string) $v;
}
}
if (is_array($output)) {
if ($node->attributes->length) {
$a = [];
foreach($node->attributes as $attrName => $attrNode) {
$a[$attrName] = (string) $attrNode->value;
}
$output['@attributes'] = $a;
}
foreach ($output as $t => $v) {
if(is_array($v) && count($v)==1 && $t!='@attributes') {
$output[$t] = $v[0];
}
}
}
break;
}
return $output;
}
public function &__get($name) {
if (isset($name{0}) && $name{0} == '_') {
return $this->{$name};
} else {
return $this->_data->$name;
}
}
public function __set($name, $value) {
if ($name{0} == '_') {
return $this->{$name} = $value;
} else {
return $this->_data->$name = $value;
}
}
}