PatternInfoRule.php

<?php

/*!
 * Pattern Data Info Rule Class
 *
 * Copyright (c) 2014 Dave Olsen, http://dmolsen.com
 * Licensed under the MIT license
 *
 * If it's a *.json or *.yaml file without a ~ it adds the data to PatternData::$store
 *
 */

namespace PatternLab\PatternData\Rules;

use \PatternLab\Config;
use \PatternLab\PatternData;
use \PatternLab\JSON;
use \PatternLab\Timer;
use \Symfony\Component\Yaml\Exception\ParseException;
use \Symfony\Component\Yaml\Yaml;

class PatternInfoRule extends \PatternLab\PatternData\Rule {
	
	public function __construct($options) {
		
		parent::__construct($options);
		
		$this->depthProp  = 3; // 3 means that depth won't be checked
		$this->extProp    = "json||yaml||yml";
		$this->isDirProp  = false;
		$this->isFileProp = true;
		$this->searchProp = "";
		$this->ignoreProp = "~||listitems";
		
	}
	
	public function run($depth, $ext, $path, $pathName, $name) {
		
		// load default vars
		$patternTypeDash = PatternData::getPatternTypeDash();
		
		// set-up the names, $name == foo.json
		$pattern         = str_replace(".".$ext,"",$name);        // foo
		$patternDash     = $this->getPatternName($pattern,false); // foo
		$patternPartial  = $patternTypeDash."-".$patternDash;     // atoms-foo
		
		$patternStoreData = array("category" => "pattern");
		
		$filePath = Config::getOption("patternSourceDir")."/".$pathName;
		$file = file_get_contents($filePath);
		
		if ($ext == "json") {
			$data = json_decode($file,true);
			if ($jsonErrorMessage = JSON::hasError()) {
				JSON::lastErrorMsg($filePath,$jsonErrorMessage,$data);
			}
		} else {
			
			try {
				$data = YAML::parse($file);
			} catch (ParseException $e) {
				printf("unable to parse ".$filePath.": %s..\n", $e->getMessage());
			}
			
			// single line of text won't throw a YAML error. returns as string
			if (gettype($data) == "string") {
				$data = array();
			}
			
		}
		
		$patternStoreData["data"] = $data;
		
		// create a key for the data store
		$patternStoreKey = $patternPartial;
		
		// if the pattern data store already exists make sure it is merged and overwrites this data
		$patternStoreData = (PatternData::checkOption($patternStoreKey)) ? array_replace_recursive(PatternData::getOption($patternStoreKey),$patternStoreData) : $patternStoreData;
		PatternData::setOption($patternStoreKey, $patternStoreData);
		
	}
	
}