clonos · bozhinov · Feb 25, 2021 · Feb 25, 2021 · Feb 25, 2021 · Feb 25, 2021
diff --git a/cache/.empty b/cache/.empty
diff --git a/php/Parser.php b/php/Parser.php
@@ -0,0 +1,309 @@
+<?php
+
+/**
+*  TPL 1.0 - a RainTpl fork
+*  --------
+*  maintained by Momchil Bozhinov ([email protected])
+*/
+
+class Parser {
+
+	private $config;
+	private $loopLevel = 0;
+
+	// tags natively supported
+	private $tags = array(
+		'loop' => [
+			'({loop.*?})',
+			'/{loop="(?<variable>\${0,1}[^"]*)"(?: as (?<key>\$.*?)(?: => (?<value>\$.*?)){0,1}){0,1}}/'
+		],
+		'loop_close' => ['({\/loop})', '/{\/loop}/'],
+		'loop_break' => ['({break})', '/{break}/'],
+		'loop_continue' => ['({continue})', '/{continue}/'],
+		'if' => ['({if.*?})', '/{if="([^"]*)"}/'],
+		'elseif' => ['({elseif.*?})', '/{elseif="([^"]*)"}/'],
+		'else' => ['({else})', '/{else}/'],
+		'if_close' => ['({\/if})', '/{\/if}/'],
+		'autoescape' => ['({autoescape.*?})', '/{autoescape="([^"]*)"}/'],
+		'autoescape_close' => ['({\/autoescape})', '/{\/autoescape}/'],
+		'noparse' => ['({noparse})', '/{noparse}/'],
+		'noparse_close' => ['({\/noparse})', '/{\/noparse}/'],
+		'ignore' => ['({ignore}|{\*)', '/{ignore}|{\*/'],
+		'ignore_close' => ['({\/ignore}|\*})', '/{\/ignore}|\*}/'],
+		'include' => ['({include.*?})', '/{include="([^"]*)"}/'],
+		'function' =>[
+			'({function.*?})',
+			'/{function="([a-zA-Z_][a-zA-Z_0-9\:]*)(\(.*\)){0,1}"}/'
+		],
+		'ternary' => ['({.[^{?}]*?\?.*?\:.*?})', '/{(.[^{?}]*?)\?(.*?)\:(.*?)}/'],
+		'variable' => ['({\$.*?})', '/{(\$.*?)}/'],
+		'constant' => ['({#.*?})', '/{#(.*?)#{0,1}}/'],
+		'translate' => ['({translate})', '/{translate::(.*)}/']
+	);
+
+	function __construct($config)
+	{
+		$this->config = $config;
+	}
+
+	/**
+	* Compile the file and save it in the cache
+	* @param string $filePath: full path to the template to be compiled
+	*/
+	public function compileFile($filePath)
+	{
+		// read the template
+		$code = file_get_contents($filePath);
+
+		// xml substitution
+		$code = preg_replace("/<\?xml(.*?)\?>/s", /*<?*/ "##XML\\1XML##", $code);
+
+		// xml re-substitution
+		$code = preg_replace_callback("/##XML(.*?)XML##/s", function($match) {
+				return "<?php echo '<?xml " . stripslashes($match[1]) . " ?>'; ?>";
+			}, $code);
+
+		// set tags
+		$tagSplit = [];
+		$tagMatch = [];
+
+		foreach ($this->tags as $tag => $tagArray) {
+			$tagSplit[] = $tagArray[0];
+			$tagMatch[$tag] = $tagArray[1];
+		}
+
+		//Remove comments
+		if ($this->config['remove_comments']) {
+			$code = preg_replace('/<!--(.*)-->/Uis', '', $code);
+		}
+
+		//split the code with the tags regexp
+		$codeSplit = preg_split("/" . implode("|", $tagSplit) . "/", $code, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
+		if ($codeSplit == false){
+			// no parsing required
+			return $code;
+		}
+
+		unset($code); // we don't need it any longer
+
+		//variables initialization
+		$parsedCode = '';
+		$commentIsOpen = $ignoreIsOpen = false;
+		$auto_escape_global = $this->config['auto_escape'];
+		$openIf = 0;
+
+		//read all parsed code
+		foreach ($codeSplit as $html) {
+
+			switch(true){
+				//close ignore tag
+				case (!$commentIsOpen && preg_match($tagMatch['ignore_close'], $html)):
+					$ignoreIsOpen = false;
+					break;
+				//code between tag ignore id deleted
+				case ($ignoreIsOpen):
+					break;
+				//close no parse tag
+				case (preg_match($tagMatch['noparse_close'], $html)):
+					$commentIsOpen = false;
+					break;
+				//code between tag noparse is not compiled
+				case ($commentIsOpen):
+					$parsedCode .= $html;
+					break;
+				//ignore
+				case (preg_match($tagMatch['ignore'], $html)):
+					$ignoreIsOpen = true;
+					break;
+				//noparse
+				case (preg_match($tagMatch['noparse'], $html)):
+					$commentIsOpen = true;
+					break;
+				 //include tag
+				case (preg_match($tagMatch['include'], $html, $matches)):
+
+					// reduce the path
+					$matches[1] = preg_replace(array("#(://(*SKIP)(*FAIL))|(/{2,})#", "#(/\./+)#", "#\\\#"), array("/", "/","\\\\\\"), $matches[1]);
+					while(preg_match('#\w+\.\./#', $matches[1])) {
+						$matches[1] = preg_replace('#\w+/\.\./#', '', $matches[1]);
+					}
+					// parse
+					$includeTemplate = $this->varReplace($matches[1]);
+
+					//dynamic include
+					if ((strpos($matches[1], '$') !== false)) {
+						$parsedCode .= '<?php echo $this->checkTemplate(' . $includeTemplate . ');?>';
+					} else {
+						$parsedCode .= '<?php echo $this->checkTemplate("' . $includeTemplate . '");?>';
+					}
+					break;
+				//loop
+				case(preg_match($tagMatch['loop'], $html, $matches)):
+
+					//replace the variable in the loop
+					$var = $this->varReplace($matches['variable'], false);
+
+					$this->loopLevel++; // increase the loop counter
+
+					if (preg_match('#\(#', $var)) {
+						$newvar = "\$newvar{$this->loopLevel}";
+						$assignNewVar = "$newvar=$var;";
+					} else {
+						$newvar = $var;
+						$assignNewVar = NULL;
+					}
+
+					//loop variables
+					$counter = "\$counter{$this->loopLevel}"; // count iteration
+
+					if (isset($matches['key']) && isset($matches['value'])) {
+						$key = $matches['key'];
+						$value = $matches['value'];
+					} elseif (isset($matches['key'])) {
+						$key = "\$key{$this->loopLevel}";
+						$value = $matches['key'];
+					} else {
+						$key = "\$key{$this->loopLevel}";
+						$value = "\$value{$this->loopLevel}";
+					}
+
+					//loop code
+					$parsedCode .= "<?php $counter=-1; $assignNewVar if(is_iterable($newvar) && count($newvar)) foreach( $newvar as $key => $value ){ $counter++; ?>";
+					break;
+				//close loop tag
+				case (preg_match($tagMatch['loop_close'], $html)):
+					$counter = "\$counter{$this->loopLevel}"; //iterator
+					$this->loopLevel--; //decrease the loop counter
+					$parsedCode .= "<?php } ?>"; //close loop code
+					break;
+				//break loop tag
+				case (preg_match($tagMatch['loop_break'], $html)):
+					$parsedCode .= "<?php break; ?>"; //close loop code
+					break;
+				//continue loop tag
+				case (preg_match($tagMatch['loop_continue'], $html)):
+					$parsedCode .= "<?php continue; ?>"; //close loop code
+					break;
+				//if
+				case (preg_match($tagMatch['if'], $html, $matches)):
+					$openIf++; //increase open if counter (for intendation)
+					//variable substitution into condition (no delimiter into the condition)
+					$parsedCondition = $this->varReplace($matches[1], false);
+					$parsedCode .= "<?php if( $parsedCondition ){ ?>"; //if code
+					break;
+				//elseif
+				case (preg_match($tagMatch['elseif'], $html, $matches)):
+					//variable substitution into condition (no delimiter into the condition)
+					$parsedCondition = $this->varReplace($matches[1], false);
+					$parsedCode .= "<?php }elseif( $parsedCondition ){ ?>";
+					break;
+				//else
+				case (preg_match($tagMatch['else'], $html)):
+					$parsedCode .= '<?php }else{ ?>'; //else code
+					break;
+				//close if tag
+				case (preg_match($tagMatch['if_close'], $html)):
+					$openIf--; //decrease if counter
+					$parsedCode .= '<?php } ?>'; // close if code
+					break;
+				//variables
+				case (preg_match($tagMatch['variable'], $html, $matches)):
+					//variables substitution (es. {$title})
+					$parsedCode .= "<?php " . $this->varReplace($matches[1], true, true) . "; ?>";
+					break;
+				// autoescape off
+				case (preg_match($tagMatch['autoescape'], $html, $matches)):
+					$this->config['auto_escape'] = (in_array($matches[1], ['off','false'])) ? false : true;
+					break;
+				// autoescape on
+				case (preg_match($tagMatch['autoescape_close'], $html, $matches)):
+					$this->config['auto_escape'] = $auto_escape_global;
+					break;
+				// function
+				case (preg_match($tagMatch['function'], $html, $matches)):
+					$parsedCode .= "<?php echo ".$matches[1] . (isset($matches[2]) ? $this->varReplace($matches[2], false) : "()")."; ?>";
+					break;
+				//ternary
+				case (preg_match($tagMatch['ternary'], $html, $matches)):
+					$parsedCode .= '<?php echo (' . $this->varReplace($matches[1]) . '?' . $this->varReplace($matches[2]) . ':' . $this->varReplace($matches[3]) . '); ?>';
+					break;
+				//constants
+				case (preg_match($tagMatch['constant'], $html, $matches)):
+					$parsedCode .= "<?php " . $this->modifierReplace($matches[1]) . "; ?>";
+					break;
+				case (preg_match($tagMatch['translate'], $html, $matches)):
+					while (preg_match($tagMatch['translate'], $html, $matches)) {
+						$html = preg_replace($tagMatch['translate'], '<?php echo $translate' . $matches[1] . '; ?>', $html, 1);
+					}
+					$parsedCode .= $html;
+					break;
+				default:
+					$parsedCode .= $html;
+			}
+
+		}
+
+		if ($openIf > 0) {
+			throw new Exception("Error! You need to close an {if} tag in ".$filePath." template");
+		}
+
+		if ($this->loopLevel > 0) {
+			throw new Exception("Error! You need to close the {loop} tag in ".$filePath." template");
+		}
+
+		return "<?php if(!class_exists('Tpl')){exit;}?>" . $parsedCode;
+	}
+
+	protected function varReplace($html, $escape = true, $echo = false) 
+	{
+		// change variable name if loop level
+		$html = preg_replace(['/(\$key)\b/', '/(\$value)\b/', '/(\$counter)\b/'], ['${1}' . $this->loopLevel, '${1}' . $this->loopLevel, '${1}' . $this->loopLevel], $html);
+
+		// if it is a variable
+		if (preg_match_all('/(\$[a-z_A-Z][^\s]*)/', $html, $matches)) {
+			// substitute . and [] with [" "]
+			for ($i = 0; $i < count($matches[1]); $i++) {
+
+				$rep = preg_replace('/\[(\${0,1}[a-zA-Z_0-9]*)\]/', '["$1"]', $matches[1][$i]);
+				$rep = preg_replace('/\.(\${0,1}[a-zA-Z_0-9]*(?![a-zA-Z_0-9]*(\'|\")))/', '["$1"]', $rep);
+				$html = str_replace($matches[0][$i], $rep, $html);
+			}
+
+			// update modifier
+			$html = $this->modifierReplace($html);
+
+			// if does not initialize a value, e.g. {$a = 1}
+			if (!preg_match('/\$.*=.*/', $html)) {
+
+				// escape character
+				($this->config['auto_escape'] && $escape) AND $html = "htmlspecialchars($html, ENT_COMPAT, '" . $this->config['charset'] . "', FALSE)";
+				($echo) AND $html = "echo ".$html;
+			}
+		}
+
+		return $html;
+	}
+
+	protected function modifierReplace($html)
+	{
+		while (strpos($html,'|') !== false && substr($html, strpos($html,'|')+1,1) != "|") {
+
+			preg_match('/([\$a-z_A-Z0-9\(\),\[\]"->]+)\|([\$a-z_A-Z0-9\(\):,\[\]"->]+)/i', $html, $result);
+
+			$str = explode(":", $result[2]);
+			$function = $str[0];
+			if (count($str) == 2){
+				$params = ",".$str[1];
+			} else {
+				$params = "";
+			}
+
+			$html = str_replace($result[0], $function . "(" . $result[1] . "$params)", $html);
+		}
+
+		return $html;
+	}
+
+}
+
+?>