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PHP Demo Application - Source Code

/Framework/Model/Vendor/Smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php

<?php
/**
 * Smarty Internal Plugin Smarty Template Compiler Base
 * 
 * This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
 * 
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews 
 */
/**
 * Main compiler class
 */
class Smarty_Internal_TemplateCompilerBase {
    
// hash for nocache sections
    
private $nocache_hash null
    
// suppress generation of nocache code
    
public $suppressNocacheProcessing false
    
// compile tag objects
    
static $_tag_objects = array(); 
    
// tag stack
    
public $_tag_stack = array(); 
    
// current template
    
public $template null;

    
/**
     * Initialize compiler
     */
    
public function __construct()
    {
        
$this->nocache_hash str_replace('.''-'uniqid(rand(), true));
    } 
    
// abstract function doCompile($_content);
    /**
     * Methode to compile a Smarty template
     * 
     * @param  $template template object to compile
     * @return bool true if compiling succeeded, false if it failed
     */
    
public function compileTemplate($template)
    {
        if (empty(
$template->properties['nocache_hash'])) {
            
$template->properties['nocache_hash'] = $this->nocache_hash;
        } else {
            
$this->nocache_hash $template->properties['nocache_hash'];
        } 
        
/* here is where the compiling takes place. Smarty
       tags in the templates are replaces with PHP code,
       then written to compiled files. */
        // flag for nochache sections
        
$this->nocache false;
        
$this->tag_nocache false
        
// save template object in compiler class
        
$this->template $template;
        
$this->smarty->_current_file $this->template->getTemplateFilepath(); 
        
// template header code
        
$template_header '';
        if (!
$template->suppressHeader) {
            
$template_header .= "<?php /* Smarty version " Smarty::SMARTY_VERSION ", created on " strftime("%Y-%m-%d %H:%M:%S") . "\n";
            
$template_header .= "         compiled from \"" $this->template->getTemplateFilepath() . "\" */ ?>\n";
        } 

        do {
            
// flag for aborting current and start recompile
            
$this->abort_and_recompile false
            
// get template source
            
$_content $template->getTemplateSource(); 
            
// run prefilter if required
            
if (isset($this->smarty->autoload_filters['pre']) || isset($this->smarty->registered_filters['pre'])) {
                
$_content Smarty_Internal_Filter_Handler::runFilter('pre'$_content$this->smarty$template);
            } 
            
// on empty template just return header
            
if ($_content == '') {
                if (
$template->suppressFileDependency) {
                    
$template->compiled_template '';
                } else {
                    
$template->compiled_template $template_header $template->createPropertyHeader();
                } 
                return 
true;
            } 
            
// call compiler
            
$_compiled_code $this->doCompile($_content);
        } while (
$this->abort_and_recompile); 
        
// return compiled code to template object
        
if ($template->suppressFileDependency) {
            
$template->compiled_template $_compiled_code;
        } else {
            
$template->compiled_template $template_header $template->createPropertyHeader() . $_compiled_code;
        } 
        
// run postfilter if required
        
if (isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) {
            
$template->compiled_template Smarty_Internal_Filter_Handler::runFilter('post'$template->compiled_template$this->smarty$template);
        } 
    } 

    
/**
     * Compile Tag
     * 
     * This is a call back from the lexer/parser
     * It executes the required compile plugin for the Smarty tag
     * 
     * @param string $tag tag name
     * @param array $args array with tag attributes
     * @return string compiled code
     */
    
public function compileTag($tag$args)
    { 
        
// $args contains the attributes parsed and compiled by the lexer/parser
        // assume that tag does compile into code, but creates no HTML output
        
$this->has_code true;
        
$this->has_output false
        
// compile the smarty tag (required compile classes to compile the tag are autoloaded)
        
if (($_output $this->callTagCompiler($tag$args)) === false) {
            if (isset(
$this->smarty->template_functions[$tag])) {
                
// template defined by {template} tag
                
$args['name'] = "'" $tag "'";
                
$_output $this->callTagCompiler('call'$args);
            } 
        } 
        if (
$_output !== false) {
            if (
$_output !== true) {
                
// did we get compiled code
                
if ($this->has_code) {
                    
// Does it create output?
                    
if ($this->has_output) {
                        
$_output .= "\n";
                    } 
                    
// return compiled code
                    
return $_output;
                } 
            } 
            
// tag did not produce compiled code
            
return '';
        } else {
            
// not an internal compiler tag
            
if (strlen($tag) < || substr($tag, -5) != 'close') {
                
// check if tag is a registered object
                
if (isset($this->smarty->registered_objects[$tag]) && isset($args['object_methode'])) {
                    
$methode $args['object_methode'];
                    unset (
$args['object_methode']);
                    if (!
in_array($methode$this->smarty->registered_objects[$tag][3]) &&
                            (empty(
$this->smarty->registered_objects[$tag][1]) || in_array($methode$this->smarty->registered_objects[$tag][1]))) {
                        return 
$this->callTagCompiler('private_object_function'$args$tag$methode);
                    } elseif (
in_array($methode$this->smarty->registered_objects[$tag][3])) {
                        return 
$this->callTagCompiler('private_object_block_function'$args$tag$methode);
                    } else {
                        return 
$this->trigger_template_error ('unallowed methode "' $methode '" in registered object "' $tag '"'$this->lex->taglineno);
                    } 
                } 
                
// check if tag is registered
                
foreach (array('compiler''function''block') as $type) {
                    if (isset(
$this->smarty->registered_plugins[$type][$tag])) {
                        
// if compiler function plugin call it now
                        
if ($type == 'compiler') {
                            if (!
$this->smarty->registered_plugins[$type][$tag][1]) {
                                
$this->tag_nocache true;
                            } 
                            
$function $this->smarty->registered_plugins[$type][$tag][0];
                            if (!
is_array($function)) {
                                return 
$function($args$this);
                            } else if (
is_object($function[0])) {
                                return 
$this->smarty->registered_plugins[$type][$tag][0][0]->$function[1]($args$this);
                            } else {
                                return 
call_user_func_array($this->smarty->registered_plugins[$type][$tag][0], array($args$this));
                            } 
                        } 
                        
// compile registered function or block function
                        
if ($type == 'function' || $type == 'block') {
                            return 
$this->callTagCompiler('private_registered_' $type$args$tag);
                        } 
                    } 
                } 
                
// check plugins from plugins folder
                
foreach ($this->smarty->plugin_search_order as $plugin_type) {
                    if (
$plugin_type == 'compiler' && $this->smarty->loadPlugin('smarty_compiler_' $tag)) {
                        
$plugin 'smarty_compiler_' $tag;
                        if (
is_callable($plugin)) {
                            return 
$plugin($args$this->smarty);
                        } 
                        if (
class_exists($pluginfalse)) {
                            
$plugin_object = new $plugin;
                            if (
method_exists($plugin_object'compile')) {
                                return 
$plugin_object->compile($args$this);
                            } 
                        } 
                        throw new 
Exception("Plugin \"{$tag}\" not callable");
                    } else {
                        if (
$function $this->getPlugin($tag$plugin_type)) {
                            return 
$this->callTagCompiler('private_' $plugin_type '_plugin'$args$tag$function);
                        } 
                    } 
                } 
            } else {
                
// compile closing tag of block function
                
$base_tag substr($tag0, -5); 
                
// check if closing tag is a registered object
                
if (isset($this->smarty->registered_objects[$base_tag]) && isset($args['object_methode'])) {
                    
$methode $args['object_methode'];
                    unset (
$args['object_methode']);
                    if (
in_array($methode$this->smarty->registered_objects[$base_tag][3])) {
                        return 
$this->callTagCompiler('private_object_block_function'$args$tag$methode);
                    } else {
                        return 
$this->trigger_template_error ('unallowed closing tag methode "' $methode '" in registered object "' $base_tag '"'$this->lex->taglineno);
                    } 
                } 
                
// registered block tag ?
                
if (isset($this->smarty->registered_plugins['block'][$base_tag])) {
                    return 
$this->callTagCompiler('private_registered_block'$args$tag);
                } 
                
// block plugin?
                
if ($function $this->getPlugin($base_tag'block')) {
                    return 
$this->callTagCompiler('private_block_plugin'$args$tag$function);
                } 
                if (
$this->smarty->loadPlugin('smarty_compiler_' $tag)) {
                    
$plugin 'smarty_compiler_' $tag;
                    if (
is_callable($plugin)) {
                        return 
$plugin($args$this->smarty);
                    } 
                    if (
class_exists($pluginfalse)) {
                        
$plugin_object = new $plugin;
                        if (
method_exists($plugin_object'compile')) {
                            return 
$plugin_object->compile($args$this);
                        } 
                    } 
                    throw new 
Exception("Plugin \"{$tag}\" not callable");
                } 
            } 
            
$this->trigger_template_error ("unknown tag \"" $tag "\""$this->lex->taglineno);
        } 
    } 

    
/**
     * lazy loads internal compile plugin for tag and calls the compile methode
     * 
     * compile objects cached for reuse.
     * class name format:  Smarty_Internal_Compile_TagName
     * plugin filename format: Smarty_Internal_Tagname.php
     * 
     * @param  $tag string tag name
     * @param  $args array with tag attributes
     * @param  $param1 optional parameter
     * @param  $param2 optional parameter
     * @param  $param3 optional parameter
     * @return string compiled code
     */
    
public function callTagCompiler($tag$args$param1 null$param2 null$param3 null)
    { 
        
// re-use object if already exists
        
if (isset(self::$_tag_objects[$tag])) {
            
// compile this tag
            
return self::$_tag_objects[$tag]->compile($args$this$param1$param2$param3);
        } 
        
// lazy load internal compiler plugin
        
$class_name 'Smarty_Internal_Compile_' $tag;
        if (
$this->smarty->loadPlugin($class_name)) {
            
// use plugin if found
            
self::$_tag_objects[$tag] = new $class_name
            
// compile this tag
            
return self::$_tag_objects[$tag]->compile($args$this$param1$param2$param3);
        } 
        
// no internal compile plugin for this tag
        
return false;
    } 

    
/**
     * Check for plugins and return function name
     * 
     * @param  $pugin_name string name of plugin or function
     * @param  $type string type of plugin
     * @return string call name of function
     */
    
public function getPlugin($plugin_name$type)
    {
        
$function null;
        if (
$this->template->caching && ($this->nocache || $this->tag_nocache)) {
            if (isset(
$this->template->required_plugins['nocache'][$plugin_name][$type])) {
                
$function $this->template->required_plugins['nocache'][$plugin_name][$type]['function'];
            } else if (isset(
$this->template->required_plugins['compiled'][$plugin_name][$type])) {
                
$this->template->required_plugins['nocache'][$plugin_name][$type] = $this->template->required_plugins['compiled'][$plugin_name][$type];
                
$function $this->template->required_plugins['nocache'][$plugin_name][$type]['function'];
            } 
        } else {
            if (isset(
$this->template->required_plugins['compiled'][$plugin_name][$type])) {
                
$function $this->template->required_plugins['compiled'][$plugin_name][$type]['function'];
            } else if (isset(
$this->template->required_plugins['compiled'][$plugin_name][$type])) {
                
$this->template->required_plugins['compiled'][$plugin_name][$type] = $this->template->required_plugins['nocache'][$plugin_name][$type];
                
$function $this->template->required_plugins['compiled'][$plugin_name][$type]['function'];
            } 
        } 
        if (isset(
$function)) {
            if (
$type == 'modifier') {
                
$this->template->saved_modifier[$plugin_name] = true;
            } 
            return 
$function;
        } 
        
// loop through plugin dirs and find the plugin
        
$function 'smarty_' $type '_' $plugin_name;
        
$found false;
        foreach((array)
$this->smarty->plugins_dir as $_plugin_dir) {
            
$file rtrim($_plugin_dir'/\\') . DS $type '.' $plugin_name '.php';
            if (
file_exists($file)) {
                
// require_once($file);
                
$found true;
                break;
            } 
        } 
        if (
$found) {
            if (
$this->template->caching && ($this->nocache || $this->tag_nocache)) {
                
$this->template->required_plugins['nocache'][$plugin_name][$type]['file'] = $file;
                
$this->template->required_plugins['nocache'][$plugin_name][$type]['function'] = $function;
            } else {
                
$this->template->required_plugins['compiled'][$plugin_name][$type]['file'] = $file;
                
$this->template->required_plugins['compiled'][$plugin_name][$type]['function'] = $function;
            } 
            if (
$type == 'modifier') {
                
$this->template->saved_modifier[$plugin_name] = true;
            } 
            return 
$function;
        } 
        if (
is_callable($function)) {
            
// plugin function is defined in the script
            
return $function;
        } 
        return 
false;
    } 
    
/**
     * Inject inline code for nocache template sections
     * 
     * This method gets the content of each template element from the parser.
     * If the content is compiled code and it should be not cached the code is injected
     * into the rendered output.
     * 
     * @param string $content content of template element
     * @param boolean $tag_nocache true if the parser detected a nocache situation
     * @param boolean $is_code true if content is compiled code
     * @return string content
     */
    
public function processNocacheCode ($content$is_code)
    { 
        
// If the template is not evaluated and we have a nocache section and or a nocache tag
        
if ($is_code && !empty($content)) {
            
// generate replacement code
            
if ((!$this->template->resource_object->isEvaluated || $this->template->forceNocache) && $this->template->caching && !$this->suppressNocacheProcessing &&
                    (
$this->nocache || $this->tag_nocache || $this->template->forceNocache == 2)) {
                
$this->template->has_nocache_code true;
                
$_output str_replace("'""\'"$content);
                
$_output "<?php echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/" $_output "/*/%%SmartyNocache:{$this->nocache_hash}%%*/';?>"
                
// make sure we include modifer plugins for nocache code
                
if (isset($this->template->saved_modifier)) {
                    foreach (
$this->template->saved_modifier as $plugin_name => $dummy) {
                        if (isset(
$this->template->required_plugins['compiled'][$plugin_name]['modifier'])) {
                            
$this->template->required_plugins['nocache'][$plugin_name]['modifier'] = $this->template->required_plugins['compiled'][$plugin_name]['modifier'];
                        } 
                    } 
                    
$this->template->saved_modifier null;
                } 
            } else {
                
$_output $content;
            } 
        } else {
            
$_output $content;
        } 
        
$this->suppressNocacheProcessing false;
        
$this->tag_nocache false;
        return 
$_output;
    } 
    
/**
     * display compiler error messages without dying
     * 
     * If parameter $args is empty it is a parser detected syntax error.
     * In this case the parser is called to obtain information about expected tokens.
     * 
     * If parameter $args contains a string this is used as error message
     * 
     * @param  $args string individual error message or null
     */
    
public function trigger_template_error($args null$line null)
    { 
        
// get template source line which has error
        
if (!isset($line)) {
            
$line $this->lex->line;
        } 
        
$match preg_split("/\n/"$this->lex->data);
        
$error_text 'Syntax Error in template "' $this->template->getTemplateFilepath() . '"  on line ' $line ' "' htmlspecialchars($match[$line-1]) . '" ';
        if (isset(
$args)) {
            
// individual error message
            
$error_text .= $args;
        } else {
            
// expected token from parser
            
foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
                
$exp_token $this->parser->yyTokenName[$token];
                if (isset(
$this->lex->smarty_token_names[$exp_token])) {
                    
// token type from lexer
                    
$expect[] = '"' $this->lex->smarty_token_names[$exp_token] . '"';
                } else {
                    
// otherwise internal token name
                    
$expect[] = $this->parser->yyTokenName[$token];
                } 
            } 
            
// output parser error message
            
$error_text .= ' - Unexpected "' $this->lex->value '", expected one of: ' implode(' , '$expect);
        } 
        throw new 
Exception($error_text);
    } 


?>

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