From 3d92990b1817ac20935274682764711080e8b254 Mon Sep 17 00:00:00 2001
From: Savetheinternet <savetheinternet@n0v4.com>
Date: Tue, 2 Nov 2010 21:57:33 +1100
Subject: first commit

---
 inc/template.php | 182 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 inc/template.php

(limited to 'inc/template.php')

diff --git a/inc/template.php b/inc/template.php
new file mode 100644
index 00000000..95fa2ff7
--- /dev/null
+++ b/inc/template.php
@@ -0,0 +1,182 @@
+<?php
+	
+	// PHP Template Preprocessor by Savetheinternet
+	// http://codecanyon.net/user/Savetheinternet
+	// savetheinternet@n0v4.com
+	
+	// -----------------------------------------------------
+	// Standard configuration	
+	//
+	// Folder where the template files are kept
+	$templateDir = './templates';
+	//
+	// Enable global things like %gentime, etc.
+	$templateGlobals = true;
+	
+	// If $templateGlobals is enabled.
+	// Do not change the keys, but the values (if you must), or it will not work. (Prefixed with %)
+	$templateGlobalsNames = Array(
+								'gentime' => 'gentime',
+								'template' => 'template'
+								);
+	
+	// Allow {$phpvar}, etc, to be placed in the template file. This will use a (global) variable defined in PHP.
+	// Requires eval() to be enabled. Might be a security risk, so ensure your template files aren't writable before
+	// enabling this. (Prefixed with $)
+	$templateVariables = false;
+	
+	// End config
+	// -----------------------------------------------------
+	
+	//'/\{(!?[$%]?[\w\[\]]+)(([=\?:])(([^{^}]|\{.+?\})?)?\}/s'
+	
+	
+	
+	
+	// Don't change this if you don't know what you're doing.
+	// EXTREMELY CONFUSING RECURSION!
+	$templateRegex = '/\{(!?[$%]?[\w\[\]]+)(([=\?:])((?>[^{^}]|\{[^{^}]+\}|(?R))+?))?\}/s';
+	
+	function templateParse($template, array $options, $globals = null, $templateFile = null) {
+		global $templateGlobals, $templateGlobalsNames, $templateVariables, $templateRegex;
+		//For the global variable {%gentime}
+		if($globals == null) {
+			$globals = Array();
+			if(isset($templateFile)) $globals['template'] = $templateFile;
+			$globals['gentime'] = microtime(true);
+		}
+		
+		// What we'll end up finishing with
+		$templateBody = '';
+		
+		$previousPosition = 0;
+		// Find the matches
+		if(preg_match_all($templateRegex, $template, $templateMatch)) {
+			//Iterate through matches
+			for($matchIndex=0;$matchIndex<count($templateMatch[0]);$matchIndex++) {
+				$optionName = $templateMatch[1][$matchIndex];
+				$optionValue = $templateMatch[0][$matchIndex];
+				$optionDelim = $templateMatch[3][$matchIndex];
+				$optionBlock = $templateMatch[4][$matchIndex];
+				$option = (isset($options[$optionName])?$options[$optionName]:null);
+				
+				$position = strpos($template, $templateMatch[0][$matchIndex]);
+				// Replace the found string with "xxxx[...]". ("Bug fix"; allows duplicate tags)
+				$template = substr_replace($template, str_repeat('x', strlen($templateMatch[0][$matchIndex])), $position, strlen($templateMatch[0][$matchIndex]));
+				
+				
+				if($optionName[0] == '!') {
+					$optionReversed = true;
+					$optionName = substr($optionName, 1);
+				} else $optionReversed = false;
+				
+				if($optionName[0] == '%') {
+					$tmpOptionName = substr($optionName, 1);
+					// $templateGlobals
+					if($tmpOptionName == $templateGlobalsNames['gentime']) {
+						$option = microtime(true)-$globals['gentime'].'s';
+					} elseif(isset($globals[$tmpOptionName])) {
+						$option = $globals[$tmpOptionName];
+					}
+					unset($tmpOptionName);
+				}
+				
+				
+				if(preg_match('/(.+?)\[/', $optionName, $optionArrayMatches)) {
+					$optionArrayKey = $optionArrayMatches[1];
+					$arrayOptionsTemp = $options[$optionArrayKey];
+					if(is_array($arrayOptionsTemp)) {
+						if(preg_match_all('/\[(.+?)\]/', $optionName, $optionArrayMatches)) {
+							for($optionArrayIndex=0;$optionArrayIndex<count($optionArrayMatches[0]);$optionArrayIndex++) {
+								if(isset($arrayOptionsTemp[$optionArrayMatches[1][$optionArrayIndex]])) {
+									$arrayOptionsTemp = $arrayOptionsTemp[$optionArrayMatches[1][$optionArrayIndex]];
+									$option = $arrayOptionsTemp;
+								} else break;
+							}
+						}
+					}
+				}
+				
+				if($optionDelim==':') {
+					if(isset($option) && $option) {
+						if(is_array($option)) {
+							$optionValue = '';
+							for($optionIndex=0;$optionIndex<count($option);$optionIndex++) {
+								$tmpOption = $option[$optionIndex];
+								$tmpOptions = $options;
+								$tmpOptions[$optionName] = $tmpOption;
+								
+								
+								if($optionIndex == count($option)-1)
+									$globals['last'] = true;
+								else {
+									unset($globals['last']);
+									if($optionIndex == 0)
+										$globals['first'] = true;
+									else
+										unset($globals['first']);
+								}
+								$optionValue .= templateParse($optionBlock, $tmpOptions, $globals);
+							}
+							unset($tmpOption);
+							unset($tmpOptions);
+							unset($optionIndex);
+							unset($globals['first']);
+							unset($globals['last']);
+						} else {
+							$optionValue = templateParse($optionBlock, $options, $globals);
+						}
+					} else {
+						$optionValue = '';
+					}
+				} elseif($optionDelim=='?') {
+					// Conditionals
+					if((!$optionReversed && isset($option) && $option) || ($optionReversed && (!isset($option) || !$option))) {
+							/*echo print_r(Array(
+								$optionReversed?'reversed':'no',
+								isset($option)?'exists':'does not exist',
+								$option,
+								$optionName
+							));*/
+							$optionValue = templateParse($optionBlock, $options, $globals);
+					} else {
+						$optionValue = '';
+					}
+				} elseif(isset($option)) {
+					// If the value is specified...
+					if(is_array($option)) {
+						$optionValue = implode($option);
+					} else {
+						$optionValue = $option;
+					}
+				} elseif($optionDelim=='=') {
+					// If it has a default
+					$optionValue = templateParse($optionBlock, $options, $globals);
+					$options[$optionName] = $optionValue;
+				} elseif($templateVariables && $optionName[0] == '$') {
+					// Conditionals
+					$optionValue = eval("global ${optionName}; return ${optionName};");
+				}
+				// Append it to the body
+				$templateBody .= substr($template, $previousPosition, $position-$previousPosition).$optionValue;
+				$previousPosition = $position+strlen($templateMatch[0][$matchIndex]);
+				unset($position);
+				unset($optionValue);
+			}
+		}
+		// Append the rest of the template
+		$templateBody .= substr($template, $previousPosition);
+		return $templateBody;
+	}
+	
+	function Element($templateFile, array $options) {
+		global $templateDir;
+		// Read the template file
+		if($template = @file_get_contents("${templateDir}/${templateFile}")) {
+			return templateParse($template, $options, null, $templateFile);
+		} else {
+			throw new Exception("Template file '${templateFile}' does not exist or is empty in '${templateDir}'!");
+		}
+	}
+	
+?>
\ No newline at end of file
-- 
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