mirror of
https://github.com/smarty-php/smarty.git
synced 2025-11-04 06:11:37 +01:00
750 lines
24 KiB
PHP
750 lines
24 KiB
PHP
<?php
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/**
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* Smarty Resource Plugin
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*
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* @package Smarty
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* @subpackage TemplateResources
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* @author Rodney Rehm
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*/
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/**
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* Smarty Resource Plugin
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*
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* Base implementation for resource plugins
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*
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* @package Smarty
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* @subpackage TemplateResources
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*/
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abstract class Smarty_Resource {
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/**
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* cache for Smarty_Template_Source instances
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* @var array
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*/
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public static $sources = array();
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/**
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* cache for Smarty_Template_Compiled instances
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* @var array
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*/
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public static $compileds = array();
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/**
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* cache for Smarty_Resource instances
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* @var array
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*/
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protected static $resources = array();
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/**
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* resource types provided by the core
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* @var array
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*/
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protected static $sysplugins = array(
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'file' => true,
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'string' => true,
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'extends' => true,
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'stream' => true,
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'eval' => true,
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'php' => true
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);
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/**
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* Name of the Class to compile this resource's contents with
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* @var string
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*/
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public $compiler_class = 'Smarty_Internal_SmartyTemplateCompiler';
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/**
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* Name of the Class to tokenize this resource's contents with
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* @var string
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*/
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public $template_lexer_class = 'Smarty_Internal_Templatelexer';
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/**
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* Name of the Class to parse this resource's contents with
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* @var string
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*/
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public $template_parser_class = 'Smarty_Internal_Templateparser';
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/**
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* Load template's source into current template object
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*
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* {@internal The loaded source is assigned to $_template->source->content directly.}}
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*
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* @param Smarty_Template_Source $source source object
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* @return string template source
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* @throws SmartyException if source cannot be loaded
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*/
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public abstract function getContent(Smarty_Template_Source $source);
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/**
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* populate Source Object with meta data from Resource
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*
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* @param Smarty_Template_Source $source source object
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* @param Smarty_Internal_Template $_template template object
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*/
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public abstract function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null);
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/**
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* populate Source Object with timestamp and exists from Resource
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*
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* @param Smarty_Template_Source $source source object
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*/
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public function populateTimestamp(Smarty_Template_Source $source)
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{
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// intentionally left blank
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}
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/**
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* populate Compiled Object with compiled filepath
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*
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* @param Smarty_Template_Compiled $compiled compiled object
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* @param Smarty_Internal_Template $_template template object
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*/
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public function populateCompiledFilepath(Smarty_Template_Compiled $compiled, Smarty_Internal_Template $_template)
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{
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$_compile_id = isset($_template->compile_id) ? preg_replace('![^\w\|]+!', '_', $_template->compile_id) : null;
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$_filepath = $compiled->source->uid;
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// if use_sub_dirs, break file into directories
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if ($_template->smarty->use_sub_dirs) {
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$_filepath = substr($_filepath, 0, 2) . DS
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. substr($_filepath, 2, 2) . DS
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. substr($_filepath, 4, 2) . DS
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. $_filepath;
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}
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$_compile_dir_sep = $_template->smarty->use_sub_dirs ? DS : '^';
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if (isset($_compile_id)) {
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$_filepath = $_compile_id . $_compile_dir_sep . $_filepath;
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}
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// caching token
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if ($_template->caching) {
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$_cache = '.cache';
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} else {
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$_cache = '';
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}
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$_compile_dir = $_template->smarty->getCompileDir();
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// set basename if not specified
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$_basename = $this->getBasename($compiled->source);
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if ($_basename === null) {
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$_basename = basename( preg_replace('![^\w\/]+!', '_', $compiled->source->name) );
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}
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// separate (optional) basename by dot
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if ($_basename) {
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$_basename = '.' . $_basename;
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}
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$compiled->filepath = $_compile_dir . $_filepath . '.' . $compiled->source->type . $_basename . $_cache . '.php';
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}
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/**
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* build template filepath by traversing the template_dir array
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*
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* @param Smarty_Template_Source $source source object
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* @param Smarty_Internal_Template $_template template object
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* @return string fully qualified filepath
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* @throws SmartyException if default template handler is registered but not callable
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*/
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protected function buildFilepath(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null)
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{
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$file = $source->name;
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if ($source instanceof Smarty_Config_Source) {
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$_directories = $source->smarty->getConfigDir();
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$_default_handler = $source->smarty->default_config_handler_func;
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} else {
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$_directories = $source->smarty->getTemplateDir();
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$_default_handler = $source->smarty->default_template_handler_func;
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}
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// go relative to a given template?
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$_file_is_dotted = $file[0] == '.' && ($file[1] == '.' || $file[1] == '/' || $file[1] == "\\");
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if ($_template && $_template->parent instanceof Smarty_Internal_Template && $_file_is_dotted) {
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if ($_template->parent->source->type != 'file' && $_template->parent->source->type != 'extends' && !$_template->parent->allow_relative_path) {
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throw new SmartyException("Template '{$file}' cannot be relative to template of resource type '{$_template->parent->source->type}'");
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}
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$file = dirname($_template->parent->source->filepath) . DS . $file;
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$_file_exact_match = true;
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if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $file)) {
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// the path gained from the parent template is relative to the current working directory
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// as expansions (like include_path) have already been done
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$file = getcwd() . DS . $file;
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}
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}
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// resolve relative path
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if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $file)) {
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$_was_relative_prefix = $file[0] == '.' ? substr($file, 0, strpos($file, '|')) : null;
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$_path = DS . trim($file, '/\\');
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$_was_relative = true;
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} else {
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$_path = $file;
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}
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// don't we all just love windows?
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$_path = str_replace('\\', '/', $_path);
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// resolve simples
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$_path = preg_replace('#(/\./(\./)*)|/{2,}#', '/', $_path);
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// resolve parents
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while (true) {
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$_parent = strpos($_path, '/../');
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if ($_parent === false) {
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break;
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} else if ($_parent === 0) {
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$_path = substr($_path, 3);
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break;
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}
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$_pos = strrpos($_path, '/', $_parent - strlen($_path) - 1);
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if ($_pos === false) {
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// don't we all just love windows?
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$_pos = $_parent;
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}
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$_path = substr_replace($_path, '', $_pos, $_parent + 3 - $_pos);
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}
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if (DS != '/') {
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// don't we all just love windows?
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$_path = str_replace('/', '\\', $_path);
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}
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// revert to relative
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if (isset($_was_relative)) {
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if (isset($_was_relative_prefix)){
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$_path = $_was_relative_prefix . $_path;
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} else {
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$_path = substr($_path, 1);
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}
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}
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// this is only required for directories
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$file = rtrim($_path, '/\\');
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// files relative to a template only get one shot
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if (isset($_file_exact_match)) {
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return $this->fileExists($source, $file) ? $file : false;
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}
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// template_dir index?
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if (preg_match('#^\[(?P<key>[^\]]+)\](?P<file>.+)$#', $file, $match)) {
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$_directory = null;
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// try string indexes
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if (isset($_directories[$match['key']])) {
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$_directory = $_directories[$match['key']];
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} else if (is_numeric($match['key'])) {
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// try numeric index
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$match['key'] = (int) $match['key'];
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if (isset($_directories[$match['key']])) {
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$_directory = $_directories[$match['key']];
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} else {
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// try at location index
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$keys = array_keys($_directories);
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$_directory = $_directories[$keys[$match['key']]];
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}
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}
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if ($_directory) {
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$_file = substr($file, strpos($file, ']') + 1);
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$_filepath = $_directory . $_file;
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if ($this->fileExists($source, $_filepath)) {
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return $_filepath;
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}
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}
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}
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// relative file name?
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if (!preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $file)) {
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foreach ($_directories as $_directory) {
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$_filepath = $_directory . $file;
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if ($this->fileExists($source, $_filepath)) {
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return $_filepath;
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}
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if ($source->smarty->use_include_path && !preg_match('/^([\/\\\\]|[a-zA-Z]:[\/\\\\])/', $_directory)) {
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// try PHP include_path
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if (($_filepath = Smarty_Internal_Get_Include_Path::getIncludePath($_filepath)) !== false) {
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return $_filepath;
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}
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}
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}
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}
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// try absolute filepath
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if ($this->fileExists($source, $file)) {
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return $file;
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}
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// no tpl file found
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if ($_default_handler) {
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if (!is_callable($_default_handler)) {
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if ($source instanceof Smarty_Config_Source) {
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throw new SmartyException("Default config handler not callable");
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} else {
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throw new SmartyException("Default template handler not callable");
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}
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}
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$_return = call_user_func_array($_default_handler,
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array($source->type, $source->name, &$_content, &$_timestamp, $source->smarty));
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if (is_string($_return)) {
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$source->timestamp = @filemtime($_return);
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$source->exists = !!$source->timestamp;
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return $_return;
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} elseif ($_return === true) {
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$source->content = $_content;
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$source->timestamp = $_timestamp;
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$source->exists = true;
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return $_filepath;
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}
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}
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// give up
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return false;
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}
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/**
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* test is file exists and save timestamp
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*
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* @param Smarty_Template_Source $source source object
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* @param string $file file name
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* @return bool true if file exists
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*/
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protected function fileExists(Smarty_Template_Source $source, $file)
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{
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$source->timestamp = @filemtime($file);
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return $source->exists = !!$source->timestamp;
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}
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/**
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* Determine basename for compiled filename
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*
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* @param Smarty_Template_Source $source source object
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* @return string resource's basename
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*/
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protected function getBasename(Smarty_Template_Source $source)
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{
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return null;
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}
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/**
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* Load Resource Handler
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*
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* @param Smarty $smarty smarty object
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* @param string $resource_type name of the resource
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* @return Smarty_Resource Resource Handler
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*/
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public static function load(Smarty $smarty, $resource_type)
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{
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// try the instance cache
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if (isset(self::$resources[$resource_type])) {
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return self::$resources[$resource_type];
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}
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// try registered resource
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if (isset($smarty->registered_resources[$resource_type])) {
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if ($smarty->registered_resources[$resource_type] instanceof Smarty_Resource) {
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return self::$resources[$resource_type] = $smarty->registered_resources[$resource_type];
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}
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if (!isset(self::$resources['registered'])) {
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self::$resources['registered'] = new Smarty_Internal_Resource_Registered();
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}
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return self::$resources['registered'];
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}
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// try sysplugins dir
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if (isset(self::$sysplugins[$resource_type])) {
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$_resource_class = 'Smarty_Internal_Resource_' . ucfirst($resource_type);
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return self::$resources[$resource_type] = new $_resource_class();
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}
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// try plugins dir
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$_resource_class = 'Smarty_Resource_' . ucfirst($resource_type);
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if ($smarty->loadPlugin($_resource_class)) {
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if (class_exists($_resource_class, false)) {
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return self::$resources[$resource_type] = new $_resource_class();
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} else {
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$smarty->registerResource($resource_type,
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array("smarty_resource_{$resource_type}_source",
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"smarty_resource_{$resource_type}_timestamp",
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"smarty_resource_{$resource_type}_secure",
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"smarty_resource_{$resource_type}_trusted"));
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// give it another try, now that the resource is registered properly
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return self::load($smarty, $resource_type);
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}
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}
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// try streams
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$_known_stream = stream_get_wrappers();
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if (in_array($resource_type, $_known_stream)) {
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// is known stream
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if (is_object($smarty->security_policy)) {
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$smarty->security_policy->isTrustedStream($resource_type);
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}
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if (!isset(self::$resources['stream'])) {
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self::$resources['stream'] = new Smarty_Internal_Resource_Stream();
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}
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return self::$resources['stream'];
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}
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// TODO: try default_(template|config)_handler
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// give up
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throw new SmartyException('Unkown resource type \'' . $resource_type . '\'');
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}
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/**
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* initialize Source Object for given resource
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*
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* Either [$_template] or [$smarty, $template_resource] must be specified
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*
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* @param Smarty_Internal_Template $_template template object
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* @param Smarty $smarty smarty object
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* @param string $template_resource resource identifier
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* @return Smarty_Template_Source Source Object
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*/
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public static function source(Smarty_Internal_Template $_template=null, Smarty $smarty=null, $template_resource=null)
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{
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if ($_template) {
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$smarty = $_template->smarty;
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$template_resource = $_template->template_resource;
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}
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// check runtime cache
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$_cache_key_dir = $smarty->joined_template_dir;
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$_cache_key = 'template|' . $template_resource;
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if (!isset(self::$sources[$_cache_key_dir])) {
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self::$sources[$_cache_key_dir] = array();
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}
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if (isset(self::$sources[$_cache_key_dir][$_cache_key])) {
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return self::$sources[$_cache_key_dir][$_cache_key];
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}
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if (($pos = strpos($template_resource, ':')) === false) {
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// no resource given, use default
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$resource_type = $smarty->default_resource_type;
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$resource_name = $template_resource;
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} else {
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// get type and name from path
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$resource_type = substr($template_resource, 0, $pos);
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$resource_name = substr($template_resource, $pos +1);
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if (strlen($resource_type) == 1) {
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// 1 char is not resource type, but part of filepath
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$resource_type = 'file';
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$resource_name = $template_resource;
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}
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}
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$resource = Smarty_Resource::load($smarty, $resource_type);
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$source = new Smarty_Template_Source($resource, $smarty, $template_resource, $resource_type, $resource_name);
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$resource->populate($source, $_template);
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// runtime cache
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self::$sources[$_cache_key_dir][$_cache_key] = $source;
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return $source;
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}
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/**
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* initialize Config Source Object for given resource
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*
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* @param Smarty_Internal_Config $_config config object
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* @return Smarty_Config_Source Source Object
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*/
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public static function config(Smarty_Internal_Config $_config)
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{
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static $_incompatible_resources = array('eval' => true, 'string' => true, 'extends' => true, 'php' => true);
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$config_resource = $_config->config_resource;
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$smarty = $_config->smarty;
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if (($pos = strpos($config_resource, ':')) === false) {
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// no resource given, use default
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$resource_type = $smarty->default_config_type;
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$resource_name = $config_resource;
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} else {
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// get type and name from path
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$resource_type = substr($config_resource, 0, $pos);
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$resource_name = substr($config_resource, $pos +1);
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if (strlen($resource_type) == 1) {
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// 1 char is not resource type, but part of filepath
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$resource_type = 'file';
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$resource_name = $config_resource;
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}
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}
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if (isset($_incompatible_resources[$resource_type])) {
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throw new SmartyException ("Unable to use resource '{$resource_type}' for config");
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}
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$resource = Smarty_Resource::load($smarty, $resource_type);
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$source = new Smarty_Config_Source($resource, $smarty, $config_resource, $resource_type, $resource_name);
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$resource->populate($source, null);
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return $source;
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}
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}
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/**
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* Smarty Resource Data Object
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*
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* Meta Data Container for Template Files
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*
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* @package Smarty
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* @subpackage TemplateResources
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* @author Rodney Rehm
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*
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* @property integer $timestamp Source Timestamp
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* @property boolean $exists Source Existance
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* @property boolean $template Extended Template reference
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* @property string $content Source Content
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*/
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class Smarty_Template_Source {
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/**
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* Name of the Class to compile this resource's contents with
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* @var string
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*/
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public $compiler_class = null;
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/**
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* Name of the Class to tokenize this resource's contents with
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* @var string
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*/
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public $template_lexer_class = null;
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/**
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* Name of the Class to parse this resource's contents with
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* @var string
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*/
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public $template_parser_class = null;
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/**
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* Unique Template ID
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* @var string
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*/
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public $uid = null;
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/**
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* Template Resource (Smarty_Internal_Template::$template_resource)
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* @var string
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*/
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public $resource = null;
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/**
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* Resource Type
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|
* @var string
|
|
*/
|
|
public $type = null;
|
|
|
|
/**
|
|
* Resource Name
|
|
* @var string
|
|
*/
|
|
public $name = null;
|
|
|
|
/**
|
|
* Source Filepath
|
|
* @var string
|
|
*/
|
|
public $filepath = null;
|
|
|
|
/**
|
|
* Source is bypassing compiler
|
|
* @var boolean
|
|
*/
|
|
public $uncompiled = null;
|
|
|
|
/**
|
|
* Source must be recompiled on every occasion
|
|
* @var boolean
|
|
*/
|
|
public $recompiled = null;
|
|
|
|
/**
|
|
* The Components an extended template is made of
|
|
* @var array
|
|
*/
|
|
public $components = null;
|
|
|
|
/**
|
|
* Resource Handler
|
|
* @var Smarty_Resource
|
|
*/
|
|
public $handler = null;
|
|
|
|
/**
|
|
* Smarty instance
|
|
* @var Smarty
|
|
*/
|
|
public $smarty = null;
|
|
|
|
/**
|
|
* create Source Object container
|
|
*
|
|
* @param Smarty_Resource $handler Resource Handler this source object communicates with
|
|
* @param Smarty $smarty Smarty instance this source object belongs to
|
|
* @param string $resource full template_resource
|
|
* @param string $type type of resource
|
|
* @param string $name resource name
|
|
*/
|
|
public function __construct(Smarty_Resource $handler, Smarty $smarty, $resource, $type, $name)
|
|
{
|
|
$this->handler = $handler; // Note: prone to circular references
|
|
|
|
$this->compiler_class = $handler->compiler_class;
|
|
$this->template_lexer_class = $handler->template_lexer_class;
|
|
$this->template_parser_class = $handler->template_parser_class;
|
|
$this->uncompiled = $this->handler instanceof Smarty_Resource_Uncompiled;
|
|
$this->recompiled = $this->handler instanceof Smarty_Resource_Recompiled;
|
|
|
|
$this->smarty = $smarty;
|
|
$this->resource = $resource;
|
|
$this->type = $type;
|
|
$this->name = $name;
|
|
}
|
|
|
|
/**
|
|
* get a Compiled Object of this source
|
|
*
|
|
* @param Smarty_Internal_Template $_template template objet
|
|
* @return Smarty_Template_Compiled compiled object
|
|
*/
|
|
public function getCompiled(Smarty_Internal_Template $_template)
|
|
{
|
|
// check runtime cache
|
|
$_cache_key_dir = $_template->smarty->joined_template_dir;
|
|
$_cache_key = $_template->template_resource . '#' . $_template->compile_id;
|
|
if (!isset(Smarty_Resource::$compileds[$_cache_key_dir])) {
|
|
Smarty_Resource::$compileds[$_cache_key_dir] = array();
|
|
}
|
|
if (isset(Smarty_Resource::$compileds[$_cache_key_dir][$_cache_key])) {
|
|
return Smarty_Resource::$compileds[$_cache_key_dir][$_cache_key];
|
|
}
|
|
|
|
$compiled = new Smarty_Template_Compiled($this);
|
|
$this->handler->populateCompiledFilepath($compiled, $_template);
|
|
$compiled->timestamp = @filemtime($compiled->filepath);
|
|
$compiled->exists = !!$compiled->timestamp;
|
|
|
|
// runtime cache
|
|
Smarty_Resource::$compileds[$_cache_key_dir][$_cache_key] = $compiled;
|
|
|
|
return $compiled;
|
|
}
|
|
|
|
/**
|
|
* render the uncompiled source
|
|
*
|
|
* @param Smarty_Internal_Template $_template template object
|
|
*/
|
|
public function renderUncompiled(Smarty_Internal_Template $_template)
|
|
{
|
|
return $this->handler->renderUncompiled($this, $_template);
|
|
}
|
|
|
|
/**
|
|
* <<magic>> Generic Setter.
|
|
*
|
|
* @param string $property_name valid: timestamp, exists, content, template
|
|
* @param mixed $value new value (is not checked)
|
|
* @throws SmartyException if $property_name is not valid
|
|
*/
|
|
public function __set($property_name, $value)
|
|
{
|
|
switch ($property_name) {
|
|
// regular attributes
|
|
case 'timestamp':
|
|
case 'exists':
|
|
case 'content':
|
|
// required for extends: only
|
|
case 'template':
|
|
$this->$property_name = $value;
|
|
break;
|
|
|
|
default:
|
|
throw new SmartyException("invalid source property '$property_name'.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* <<magic>> Generic getter.
|
|
*
|
|
* @param string $property_name valid: timestamp, exists, content
|
|
* @return mixed
|
|
* @throws SmartyException if $property_name is not valid
|
|
*/
|
|
public function __get($property_name)
|
|
{
|
|
switch ($property_name) {
|
|
case 'timestamp':
|
|
case 'exists':
|
|
$this->handler->populateTimestamp($this);
|
|
return $this->$property_name;
|
|
|
|
case 'content':
|
|
return $this->content = $this->handler->getContent($this);
|
|
|
|
default:
|
|
throw new SmartyException("source property '$property_name' does not exist.");
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Smarty Resource Data Object
|
|
*
|
|
* Meta Data Container for Template Files
|
|
*
|
|
* @package Smarty
|
|
* @subpackage TemplateResources
|
|
* @author Rodney Rehm
|
|
*
|
|
* @property string $content compiled content
|
|
*/
|
|
class Smarty_Template_Compiled {
|
|
|
|
/**
|
|
* Compiled Filepath
|
|
* @var string
|
|
*/
|
|
public $filepath = null;
|
|
|
|
/**
|
|
* Compiled Timestamp
|
|
* @var integer
|
|
*/
|
|
public $timestamp = null;
|
|
|
|
/**
|
|
* Compiled Existance
|
|
* @var boolean
|
|
*/
|
|
public $exists = false;
|
|
|
|
/**
|
|
* Compiled Content Loaded
|
|
* @var boolean
|
|
*/
|
|
public $loaded = false;
|
|
|
|
/**
|
|
* Template was compiled
|
|
* @var boolean
|
|
*/
|
|
public $isCompiled = false;
|
|
|
|
/**
|
|
* Source Object
|
|
* @var Smarty_Template_Source
|
|
*/
|
|
public $source = null;
|
|
|
|
/**
|
|
* Metadata properties
|
|
*
|
|
* populated by Smarty_Internal_Template::decodeProperties()
|
|
* @var array
|
|
*/
|
|
public $_properties = null;
|
|
|
|
/**
|
|
* create Compiled Object container
|
|
*
|
|
* @param Smarty_Template_Source $source source object this compiled object belongs to
|
|
*/
|
|
public function __construct(Smarty_Template_Source $source)
|
|
{
|
|
$this->source = $source;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|