<?php
/**
 * @name DocData
 * MODx Snippet to retrieve any requested document data
 * @author Bill Wheeler @ PHPDreams
 * @link http://www.phpdreams.com/
 * @copyright Web Dynamyx LLC 2009
 * @version 0.2
 */

/*

Usage: [[DocData? &doc=`{docid}` &tpl=`{chunk name}` ]]
This will output the chunk populated by whatever data are requested in the specified document.

*/

$doc = isset($doc) ? $doc : $modx->documentIdentifier;
$tpl = isset($tpl) ? $tpl : null;

if($tpl) {
	$chunk = $modx->getChunk($tpl);
	if($chunk) {

		$doclist = explode(",", $doc);
		foreach($doclist as $doc) {
			$template = $chunk;
			// code borrowed from PHx
			if ( preg_match_all('~\[(\+|\*|\()([^:\+\[\]]+)([^\[\]]*?)(\1|\))\]~s',$template, $matches)) {

				//$matches[0] // Complete string that's need to be replaced
				//$matches[1] // Type
				//$matches[2] // The placeholder(s)
				//$matches[3] // The modifiers
				//$matches[4] // Type (end character)

				$count = count($matches[0]);
				$var_search = array();
				$var_replace = array();
				for($i=0; $i<$count; $i++) {
					$replace = NULL;
					$match = $matches[0][$i];
					$type = $matches[1][$i];
					$type_end = $matches[4][$i];
					$input = $matches[2][$i];
					$modifiers = $matches[3][$i];
						switch($type) {
							// Document / Template Variable eXtended
							case "*":
								$ddTemplateVars[] = $input;
								break;
							// MODx Placeholder eXtended
							case "+":
								$ddPlaceholders[] = $input;
								break;
							// MODx Placeholder eXtended
							default:
		   						break;
						}
				 } // end for loop
			} // end preg_match_all


			if(count(array_unique($ddPlaceholders)) > 0) $ddPlaceholderData = $modx->getDocument($doc,implode(array_unique($ddPlaceholders),','));

			if(count(array_unique($ddTemplateVars)) > 0) $ddTemplateVarData = $modx->getTemplateVarOutput(array_unique($ddTemplateVars),$doc);


			if(is_array($ddPlaceholderData)) ddPHParser($template, $ddPlaceholderData);
			if(is_array($ddTemplateVarData)) ddTVParser($template, $ddTemplateVarData);

			$output .= $template;

/*
			$output .= "<!--\n";
			$output .= print_r($ddPlaceholderData, TRUE);
			$output .= print_r($ddTemplateVarData, TRUE);
			$output .= "-->\n";
*/

		} // end foreach

		return $output;

	} // end if chunk

} // end if tpl

//-------------------------------------------------------
// functions only below

function ddPHParser(&$template, $fields) {
	foreach($fields as $name=>$value) {
		$names[] = '[+'.$name.'+]';
		$values[] = $value;
	}
	$template = str_replace($names, $values, $template);
}

function ddTVParser(&$template, $fields) {
	foreach($fields as $name=>$value) {
		$names[] = '[*'.$name.'*]';
		$values[] = $value;
	}
	$template = str_replace($names, $values, $template);
}
?>