<?php
require_once 'abstract_weaver.class.php';

class CakePHPWeaver extends AbstractWeaver {
	public function detectFramework($sourcetree_rootpath) {
		//FIXME : there is other cases to cover
		$entrypoint_path=$sourcetree_rootpath.'/app/webroot/index.php';
		assert('is_readable($entrypoint_path)');
		$entrypoint_ast=$this->parseAndWalk($entrypoint_path, null);
		
		//echo $this->nodeDumper->dump($entrypoint_ast);

		$magics=array('__FILE__' => $entrypoint_path);
		$fw_props=$this->staticEvalDefine($entrypoint_ast, $magics);
		if (!is_array($fw_props)) throw new Exception("No properties found in '$entrypoint_path'");

//		print_r($fw_props);
		$required=array('ROOT','APP_DIR','CAKE_CORE_INCLUDE_PATH','WEBROOT_DIR', 'WWW_ROOT');
		$missing=array_diff($required, array_keys($fw_props));
//		print_r($missing);
		assert('count($missing)===0;');
		return array_merge(array('entrypoint_path' => $entrypoint_path), $fw_props);
	}

	public function parseFrameworkConfig($fw_props) {
		return array();
	}

	public function parseFrameworkCode($fw_props, $fw_conf, $cache_path) {
		$filelist=$this->findAllFiles($fw_props['CAKE_CORE_INCLUDE_PATH'], '/(\.php|\.ctp)$/', '/^\.svn$/');
		//print_r($filelist);

		$env=$fw_props; //TODO : More things here ?
		foreach ($filelist as $f) {
			//TODO : cache match
			$cache_filepath=$cache_path . "/" . sha1($f) . "-" . substr(sha1(print_r($env,true)),-8,8) . ".ast";

			$ast=$this->parseAndWalk($f, null, $env);
			$this->serializeAST($ast, $f, $cache_filepath);
		}
	}

	public function parseApplicationCode($fw_props, $fw_conf, $fw_extra, $cache_path) {
		
	}

	public function computePageList($fw_props, $fw_conf, $fw_extra, $app_extra) {
		return array(
			'page1' => array(),
			'page2' => array(),
		);
	}

	public function outputMappingFile($app_pages,  $result_path) {
		
	}

	public function makePageFullAST($page, $page_props, $fw_props, $fw_conf, $fw_extra, $app_extra, $cache_path) {
		
	}

	public function analysePageAST($page_full_ast, $page, $page_props, $fw_props, $fw_conf, $fw_extra, $app_extra, $cache_path) {
		
	}

	public function throwDeadCode(&$page_annotated_ast) {
		
	}

	public function weaveCode($page_annotated_ast) {
		return array(new PHPParser_Node_Stmt_Echo(array(new PHPParser_Node_Scalar_String("Hello World\n"))));
	}

}
?>