sorbetcms/classes/themes.class.php

117 lines
4.1 KiB
PHP

<?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 $vars=array(); //variable para apilar las variables que se asignan a la plantilla
function themes(){
}
function set($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);
}
//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'
'/{\$(\w+)}/s',
'/{\$(\w+)\.(\w+)}/s',
'/\$(\W)/s'
);
$reemplazos = array(
"\$this->vars['$1']",
"\$this->vars['$1']['$2']",
"\\\\$$1"
);
$this->output = preg_replace($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);
}
}
}
?>