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<?php /******************************************************** * Template Engine * Class for templatating Bylancer Framework ******************************************************** * @package Template Engine * @author Devendra Katariya * @copyright 20016-17 Bylancer ******************************************************/ class HtmlTemplate { // The template file being used var $template; // The html content of the template var $html; // The parameters to be replaced var $parameters = array(); /*********************************************************************** * function HtmlTemplate ($template) * Reads the file into a string variable * USAGE example: * $template = 'html/index.html'; * $page = new HtmlTemplate ($template); ************************************************************************* * $template: The file you want to convert * *********************************************************************/ function __construct($template = "") { $this->template = $template; if($template != "") $this->html = implode ('', (file($this->template))); } /*********************************************************************** * function SetLoop ($name, $values) * Outputs an array as an html loop * USAGE example: * $items['0']['title'] = 'A Book'; * $items['0']['id'] = '1'; * $page->SetLoop ("ITEMS", $items); ************************************************************************* * $name: The name of the Loop * $values: The Array * **********************************************************************/ function SetLoop ($name, $values) { $return = ''; if(preg_match('/{LOOP: ' . $name . '\}(.)\{\/LOOP: ' . $name . '\}/s', $this->html, $parts)) { if(is_array($values)) { foreach ($values as $value) { $templatestuff = $parts['1']; foreach ($value as $key2 => $value2) { if(!is_array($value2)) { $templatestuff = str_replace('{' . $name . '.' . $key2 . '}', $value2, $templatestuff); } else { $page = new HtmlTemplate (); $page->html = $templatestuff; $page->SetLoop ($key2, $value2); $templatestuff = $page->html; } } $return.= $templatestuff; } } else { $return = $values; } $this->html = stripslashes(str_replace ($parts['0'], $return, $this->html)); } } /************************************************************************* * function SetParameter ($variable, $value) * Sets a paramateter to later be replaced in the template * USAGE example: * $page->SetParameter ("TITLE", 'The about page'); ************************************************************************* * $variable: The parameters name * $value: The paramaters value * *********************************************************************/ function SetParameter ($variable, $value) { $this->parameters[$variable] = $value; } /*********************************************************************** * function CreatePageEcho () * Echos the finished template * USAGE example: * $page->CreatePageEcho(); * **********************************************************************/ function CreatePageEcho () { $this->html = $this->convert_html(); echo $this->html; } private function convert_html(){ global $config,$lang,$link; foreach ($lang as $key => $value) { $template_name = '{LANG_' . $key . '}'; $this->html = str_replace ($template_name, $value, $this->html); } foreach ($this->parameters as $key => $value) { $template_name = '{' . $key . '}'; $this->html = str_replace ($template_name, $value, $this->html); } foreach ($link as $key => $value) { $template_name = '{LINK_' . $key . '}'; $this->html = str_replace ($template_name, $value, $this->html); } foreach ($config as $key => $value){ $key = strtoupper($key); if(!is_array($value)){ if (strpos($value, '{LANG_') !== false){ preg_match_all('/{LANG_(.?)\}/s', $value, $template_key); $template_name = (isset($lang[$template_key[1][0]]))? $lang[$template_key[1][0]] : ""; $value = str_replace($template_key[0][0],$template_name,$value); } $this->html = str_replace ('{'.$key.'}', $value, $this->html); } } foreach ($config as $key => $value){ $key = strtoupper($key); if(!is_array($value)) $this->html = str_replace ('{'.$key.'}', $value, $this->html); } if(isset($_SESSION['user']['id'])) { $this->html = str_replace ('{USER_ID}', $_SESSION['user']['id'], $this->html); $this->html = str_replace ('{USERNAME}', $_SESSION['user']['username'], $this->html); $this->html = str_replace ('{USERTYPE}', $_SESSION['user']['user_type'], $this->html); $this->html = str_replace ('{LOGGED_IN}', 1, $this->html); } else { $this->html = str_replace ('{USER_ID}', '', $this->html); $this->html = str_replace ('{USERNAME}', '', $this->html); $this->html = str_replace ('{USERTYPE}', '', $this->html); $this->html = str_replace ('{LOGGED_IN}', 0, $this->html); } if(isset($config['temp_php'])) { if($config['temp_php']) { $this->html = preg_replace_callback("/(<\?=)(.?)\?>/si", array('HtmlTemplate', 'EvalPrintBuffer'),$this->html); $this->html = preg_replace_callback("/(<\?php\|<\?)(.?)\?>/si", array('HtmlTemplate', 'EvalBuffer'),$this->html); } } return $this->convert_if($this->html); } private function convert_if($html) { // convert only elseif $matches = array(); preg_match_all('/ELSEIF$(.?)$\{/s', $html, $matches); if(count($matches['0']) != 0) { foreach ($matches['0'] as $key => $value) { $html = str_replace($value, '<?php } elseif('.trim($matches[1][$key]).') { ?>', $html); } } // convert only if() $matches = array(); preg_match_all('/IF$(.?)$\{/s', $html, $matches); if(count($matches['0']) != 0) { foreach ($matches['0'] as $key => $value) { $html = str_replace($value, '<?php if('.trim($matches[1][$key]).'){ ?>', $html); } } /echo '<pre>'; print_r($matches); echo '</pre>';/ // convert only else $matches = array(); preg_match_all('/\{ELSE\}/s', $html, $matches); if(count($matches['0']) != 0) { foreach ($matches['0'] as $key => $value) { $html = str_replace($value, '<?php } else { ?>', $html); } } // convert only endif() $matches = array(); preg_match_all('/\{:IF\}/s', $html, $matches); if(count($matches['0']) != 0) { foreach ($matches['0'] as $key => $value) { $html = str_replace($value, '<?php } ?>', $html); } } //return $html; ob_start(); eval("?> $html <?php "); //${$string[2]}; $return = ob_get_contents(); ob_end_clean(); return $return; } /************************************************************************* * function CreatePageReturn () * Returns the finished template as a string * USAGE example: * $head_string = $header->CreatePageReturn($lang); ************************************************************************* * $lang: The language list * ***********************************************************************/ function CreatePageReturn () { global $lang,$config,$link; $this->html = $this->convert_html(); return $this->html; } function EvalBuffer($string) { ob_start(); eval("$string[2];"); //${$string[2]}; $return = ob_get_contents(); ob_end_clean(); return $return; } function EvalPrintBuffer($string) { ob_start(); eval("print $string[2];"); $return = ob_get_contents(); ob_end_clean(); return $return; } } ?>

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