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- <?php
- /*
- Class name: Themes
- Class autor: Victor De la Rocha http//mis-algoritmos.com/themes-class
- Email: vyk2rr [at] gmail [dot] com
- */
- class themes{
- var $registry;
- var $path;
- var $l10n;
-
- var $output;
- var $vars=array(); //variable para apilar las variables que se asignan a la plantilla
-
- function themes(){
- #$this->l10n = l10n::getInstance();
- }
-
- function set($name, $value){
- $this->vars[$name] = $value;
- return true;
- }
-
- function remove($name) {
- unset($this->vars[$name]);
- return true;
- }
-
- //obtiene el contenido del tema ya con todos los valores sutituidos en las variables.
- function fetch($file){
- $this->exec($file);
- return $this->output;
- }
-
- //muestra el contenido del tema ya con todos los valroes sustituidos en las variables.
- function display($file){
- $this->exec($file);
- echo $this->output;
- }
-
- //corre el proceso de sustitucion de valores en las variables del theme y retorna todo en la variable $this->output para ser devuelto por: fetch o display
- function exec($file){
- $this->file = $file;
- $output = file_get_contents($file);
- $this->output = $output;
- $this->registrar_vars();
- $this->__();
- $this->eval_control_structures();
- //evaluate All as PHP code
- ob_start();eval($this->output);
- $this->output = stripslashes(ob_get_clean());
- }
-
- function eval_control_structures(){
- //finding IFs sentences and converting to php code
- $this->output = "echo \"".addslashes($this->output)."\";";
- $this->output = preg_replace_callback("/{if ([^}]+)}/",create_function('$arr','return "\";if(".stripslashes($arr[1])."){echo\"";'),$this->output);
- $this->output = preg_replace("/{else}/","\";}else{echo\"",$this->output);
- $this->output = preg_replace_callback("/{elseif ([^}]+)}/",create_function('$arr','return "\";}elseif(".stripslashes($arr[1])."){echo\"";'),$this->output);
- $this->output = preg_replace("/{\/if}/","\";} echo \"",$this->output);
-
- //finding FOREACHs or BLOCKs sentences and converting to php code
- $this->output = preg_replace_callback("/{block ([^}]+) as ([^}]+)=>[\$]([^}]+)}/",create_function('$arr','return "\";foreach(".stripslashes($arr[1])." as ".stripslashes($arr[2])."=>\$this->vars[\'".stripslashes($arr[3])."\']){echo\"";'),$this->output);
- $this->output = preg_replace_callback("/{block ([^}]+) as ([^}]+)}/",create_function('$arr','return "\";foreach(".stripslashes($arr[1])." as ".stripslashes($arr[2])."){echo\"";'),$this->output);
- $this->output = preg_replace("/{\/block}/","\";} echo \"",$this->output);
-
- //Converting the $this->vars[\'variable\'] format to {$this->vars['variable']}
- $this->output = preg_replace("/[\$]this->vars\[\\\'([^ \.\\\]+)\\\'\]\[\\\'([^ \.\\\]+)\\\'\]/","{\$this->vars['$1']['$2']}",$this->output);
- $this->output = preg_replace("/[\$]this->vars\[\\\'([^ \.\\\]+)\\\'\]/","{\$this->vars['$1']}",$this->output);
-
- //Converting the {__(\'word\')} format to {__('word')}
- #$this->output = preg_replace("/[\$]this->vars\[\\\'([^ \.\\\]+)\\\'\]/","{\$this->vars['$1']}",$this->output);
- }
-
- //sustituye las variables en el output del template
- function registrar_vars(){
- foreach($this->vars as $k=>$v){
- //pre($this->vars);
- if(is_array($v)){
- //Si es un arreglo, se intenta procesar un nivel mas adentro para sustituir en el theme por lo que tenga: nombredearreglo.dato
- foreach($v as $_k=>$_v)
- if(!is_array($_v))
- $this->output = str_replace('{'.$k.'.'.$_k.'}',$_v,$this->output);
- }else{
- // sustituimos directamente las variables {$variable}
- $this->output = str_replace('{'.$k.'}',$v,$this->output);
- }
- }
-
- //replacing {$key} format by $this->vars['key']
- //replacing {$array.key} format by $this->vars['array']['key']
- $patrones = array(
- '/{\$([^ \.}]+)}/s',
- '/{\$([^ \.}]+)\.([^ \.}]+)}/s'
- );
- $reemplazos = array(
- "\$this->vars['$1']",
- "\$this->vars['$1']['$2']"
- );
- $this->output = preg_replace($patrones, $reemplazos, $this->output);
- }
-
- //Utiliza gettext
- function __(){
- $patron = "/{__\((?:'|\")([^\)]+?)(?:'|\")\)}/s";
- preg_match_all($patron,$this->output,$out);
-
- foreach($out[1] as $k=>$v){
- $this->output = preg_replace("/{__\((?:'|\")$v(?:'|\")\)}/",__($v),$this->output);
- }
- }
- }
- ?>
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