1395 Zeilen
53 KiB
PHP
1395 Zeilen
53 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Smarty Template Compiler Base
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* This file contains the basic classes and methods for compiling Smarty templates with lexer/parser
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Main abstract compiler class
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*
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* @package Smarty
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* @subpackage Compiler
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*
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* @property Smarty_Internal_SmartyTemplateCompiler $prefixCompiledCode = ''
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* @property Smarty_Internal_SmartyTemplateCompiler $postfixCompiledCode = ''
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* @method registerPostCompileCallback($callback, $parameter = array(), $key = null, $replace = false)
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* @method unregisterPostCompileCallback($key)
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*/
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abstract class Smarty_Internal_TemplateCompilerBase
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{
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/**
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* Smarty object
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*
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* @var Smarty
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*/
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public $smarty = null;
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/**
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* Parser object
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*
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* @var Smarty_Internal_Templateparser
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*/
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public $parser = null;
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/**
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* hash for nocache sections
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*
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* @var mixed
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*/
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public $nocache_hash = null;
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/**
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* suppress generation of nocache code
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*
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* @var bool
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*/
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public $suppressNocacheProcessing = false;
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/**
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* compile tag objects cache
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*
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* @var array
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*/
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static $_tag_objects = array();
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/**
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* tag stack
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*
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* @var array
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*/
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public $_tag_stack = array();
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/**
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* current template
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*
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* @var Smarty_Internal_Template
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*/
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public $template = null;
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/**
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* merged included sub template data
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*
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* @var array
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*/
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public $mergedSubTemplatesData = array();
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/**
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* merged sub template code
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*
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* @var array
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*/
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public $mergedSubTemplatesCode = array();
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/**
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* collected template properties during compilation
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*
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* @var array
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*/
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public $templateProperties = array();
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/**
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* source line offset for error messages
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*
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* @var int
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*/
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public $trace_line_offset = 0;
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/**
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* trace uid
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*
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* @var string
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*/
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public $trace_uid = '';
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/**
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* trace file path
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*
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* @var string
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*/
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public $trace_filepath = '';
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/**
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* stack for tracing file and line of nested {block} tags
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*
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* @var array
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*/
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public $trace_stack = array();
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/**
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* plugins loaded by default plugin handler
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*
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* @var array
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*/
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public $default_handler_plugins = array();
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/**
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* saved preprocessed modifier list
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*
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* @var mixed
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*/
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public $default_modifier_list = null;
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/**
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* force compilation of complete template as nocache
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*
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* @var boolean
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*/
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public $forceNocache = false;
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/**
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* flag if compiled template file shall we written
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*
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* @var bool
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*/
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public $write_compiled_code = true;
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/**
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* Template functions
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*
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* @var array
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*/
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public $tpl_function = array();
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/**
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* called sub functions from template function
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*
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* @var array
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*/
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public $called_functions = array();
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/**
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* compiled template or block function code
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*
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* @var string
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*/
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public $blockOrFunctionCode = '';
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/**
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* php_handling setting either from Smarty or security
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*
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* @var int
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*/
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public $php_handling = 0;
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/**
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* flags for used modifier plugins
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*
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* @var array
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*/
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public $modifier_plugins = array();
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/**
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* type of already compiled modifier
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*
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* @var array
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*/
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public $known_modifier_type = array();
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/**
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* parent compiler object for merged subtemplates and template functions
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*
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* @var Smarty_Internal_TemplateCompilerBase
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*/
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public $parent_compiler = null;
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/**
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* Flag true when compiling nocache section
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*
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* @var bool
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*/
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public $nocache = false;
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/**
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* Flag true when tag is compiled as nocache
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*
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* @var bool
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*/
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public $tag_nocache = false;
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/**
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* Compiled tag prefix code
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*
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* @var array
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*/
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public $prefix_code = array();
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/**
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* Prefix code stack
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*
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* @var array
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*/
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public $prefixCodeStack = array();
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/**
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* Tag has compiled code
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*
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* @var bool
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*/
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public $has_code = false;
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/**
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* A variable string was compiled
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*
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* @var bool
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*/
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public $has_variable_string = false;
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/**
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* Tag creates output
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*
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* @var bool
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*/
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public $has_output = false;
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/**
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* Stack for {setfilter} {/setfilter}
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*
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* @var array
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*/
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public $variable_filter_stack = array();
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/**
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* variable filters for {setfilter} {/setfilter}
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*
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* @var array
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*/
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public $variable_filters = array();
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/**
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* Nesting count of looping tags like {foreach}, {for}, {section}, {while}
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*
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* @var int
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*/
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public $loopNesting = 0;
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/**
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* Strip preg pattern
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*
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* @var string
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*/
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public $stripRegEx = '![\t ]*[\r\n]+[\t ]*!';
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/**
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* plugin search order
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*
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* @var array
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*/
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public $plugin_search_order = array('function',
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'block',
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'compiler',
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'class');
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/**
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* General storage area for tag compiler plugins
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*
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* @var array
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*/
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public $_cache = array();
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/**
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* counter for prefix variable number
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*
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* @var int
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*/
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public static $prefixVariableNumber = 0;
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/**
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* method to compile a Smarty template
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*
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* @param mixed $_content template source
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* @param bool $isTemplateSource
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*
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* @return bool true if compiling succeeded, false if it failed
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*/
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abstract protected function doCompile($_content, $isTemplateSource = false);
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/**
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* Initialize compiler
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*
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* @param Smarty $smarty global instance
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*/
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public function __construct(Smarty $smarty)
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{
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$this->smarty = $smarty;
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$this->nocache_hash = str_replace(array('.',
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','), '_', uniqid(rand(), true));
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}
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/**
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* Method to compile a Smarty template
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*
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* @param Smarty_Internal_Template $template template object to compile
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* @param bool $nocache true is shall be compiled in nocache mode
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* @param null|Smarty_Internal_TemplateCompilerBase $parent_compiler
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*
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* @return bool true if compiling succeeded, false if it failed
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* @throws \Exception
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*/
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public function compileTemplate(Smarty_Internal_Template $template, $nocache = null,
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Smarty_Internal_TemplateCompilerBase $parent_compiler = null)
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{
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// get code frame of compiled template
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$_compiled_code = $template->smarty->ext->_codeFrame->create($template,
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$this->compileTemplateSource($template, $nocache,
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$parent_compiler),
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$this->postFilter($this->blockOrFunctionCode) .
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join('', $this->mergedSubTemplatesCode), false,
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$this);
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return $_compiled_code;
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}
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/**
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* Compile template source and run optional post filter
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*
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* @param \Smarty_Internal_Template $template
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* @param null|bool $nocache flag if template must be compiled in nocache mode
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* @param \Smarty_Internal_TemplateCompilerBase $parent_compiler
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*
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* @return string
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* @throws \Exception
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*/
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public function compileTemplateSource(Smarty_Internal_Template $template, $nocache = null,
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Smarty_Internal_TemplateCompilerBase $parent_compiler = null)
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{
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try {
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// save template object in compiler class
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$this->template = $template;
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if (property_exists($this->template->smarty, 'plugin_search_order')) {
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$this->plugin_search_order = $this->template->smarty->plugin_search_order;
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}
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if ($this->smarty->debugging) {
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if (!isset($this->smarty->_debug)) {
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$this->smarty->_debug = new Smarty_Internal_Debug();
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}
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$this->smarty->_debug->start_compile($this->template);
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}
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if (isset($this->template->smarty->security_policy)) {
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$this->php_handling = $this->template->smarty->security_policy->php_handling;
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} else {
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$this->php_handling = $this->template->smarty->php_handling;
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}
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$this->parent_compiler = $parent_compiler ? $parent_compiler : $this;
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$nocache = isset($nocache) ? $nocache : false;
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if (empty($template->compiled->nocache_hash)) {
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$template->compiled->nocache_hash = $this->nocache_hash;
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} else {
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$this->nocache_hash = $template->compiled->nocache_hash;
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}
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// flag for nocache sections
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$this->nocache = $nocache;
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$this->tag_nocache = false;
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// reset has nocache code flag
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$this->template->compiled->has_nocache_code = false;
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$this->has_variable_string = false;
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$this->prefix_code = array();
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// add file dependency
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if ($this->smarty->merge_compiled_includes || $this->template->source->handler->checkTimestamps()) {
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$this->parent_compiler->template->compiled->file_dependency[ $this->template->source->uid ] =
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array($this->template->source->filepath,
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$this->template->source->getTimeStamp(),
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$this->template->source->type,);
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}
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$this->smarty->_current_file = $this->template->source->filepath;
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// get template source
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if (!empty($this->template->source->components)) {
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// we have array of inheritance templates by extends: resource
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// generate corresponding source code sequence
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$_content =
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Smarty_Internal_Compile_Extends::extendsSourceArrayCode($this->template->source->components);
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} else {
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// get template source
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$_content = $this->template->source->getContent();
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}
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$_compiled_code = $this->postFilter($this->doCompile($this->preFilter($_content), true));
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}
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catch (Exception $e) {
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_compile($this->template);
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}
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$this->_tag_stack = array();
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// free memory
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$this->parent_compiler = null;
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$this->template = null;
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$this->parser = null;
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throw $e;
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}
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if ($this->smarty->debugging) {
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$this->smarty->_debug->end_compile($this->template);
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}
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$this->parent_compiler = null;
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$this->parser = null;
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return $_compiled_code;
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}
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/**
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* Optionally process compiled code by post filter
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*
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* @param string $code compiled code
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*
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* @return string
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* @throws \SmartyException
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*/
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public function postFilter($code)
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{
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// run post filter if on code
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if (!empty($code) &&
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(isset($this->smarty->autoload_filters[ 'post' ]) || isset($this->smarty->registered_filters[ 'post' ]))
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) {
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return $this->smarty->ext->_filterHandler->runFilter('post', $code, $this->template);
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} else {
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return $code;
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}
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}
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/**
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* Run optional prefilter
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*
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* @param string $_content template source
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*
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* @return string
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* @throws \SmartyException
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*/
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public function preFilter($_content)
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{
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// run pre filter if required
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if ($_content !== '' &&
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((isset($this->smarty->autoload_filters[ 'pre' ]) || isset($this->smarty->registered_filters[ 'pre' ])))
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) {
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return $this->smarty->ext->_filterHandler->runFilter('pre', $_content, $this->template);
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} else {
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return $_content;
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}
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}
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/**
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* Compile Tag
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* This is a call back from the lexer/parser
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*
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* Save current prefix code
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* Compile tag
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* Merge tag prefix code with saved one
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* (required nested tags in attributes)
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*
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* @param string $tag tag name
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* @param array $args array with tag attributes
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* @param array $parameter array with compilation parameter
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*
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* @throws SmartyCompilerException
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* @throws SmartyException
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* @return string compiled code
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*/
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public function compileTag($tag, $args, $parameter = array())
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{
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$this->prefixCodeStack[] = $this->prefix_code;
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$this->prefix_code = array();
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$result = $this->compileTag2($tag, $args, $parameter);
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$this->prefix_code = array_merge($this->prefix_code, array_pop($this->prefixCodeStack));
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return $result;
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}
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/**
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* Compile Tag
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*
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* @param string $tag tag name
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* @param array $args array with tag attributes
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* @param array $parameter array with compilation parameter
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*
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* @throws SmartyCompilerException
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* @throws SmartyException
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* @return string compiled code
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*/
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private function compileTag2($tag, $args, $parameter)
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{
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$plugin_type = '';
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// $args contains the attributes parsed and compiled by the lexer/parser
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// assume that tag does compile into code, but creates no HTML output
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$this->has_code = true;
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$this->has_output = false;
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// log tag/attributes
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if (isset($this->smarty->_cache[ 'get_used_tags' ])) {
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$this->template->_cache[ 'used_tags' ][] = array($tag,
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$args);
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}
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// check nocache option flag
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foreach ($args as $arg) {
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if (!is_array($arg)) {
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if ($arg === "'nocache'" || $arg === 'nocache') {
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$this->tag_nocache = true;
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}
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} else {
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foreach ($arg as $k => $v) {
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if (($k === "'nocache'" || $k === 'nocache') && (trim($v, "'\" ") === 'true')) {
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$this->tag_nocache = true;
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}
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}
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}
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}
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// compile the smarty tag (required compile classes to compile the tag are auto loaded)
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if (($_output = $this->callTagCompiler($tag, $args, $parameter)) === false) {
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if (isset($this->parent_compiler->tpl_function[ $tag ]) ||
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(isset ($this->template->smarty->ext->_tplFunction) &&
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$this->template->smarty->ext->_tplFunction->getTplFunction($this->template, $tag) !== false)
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) {
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// template defined by {template} tag
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$args[ '_attr' ][ 'name' ] = "'" . $tag . "'";
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$_output = $this->callTagCompiler('call', $args, $parameter);
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}
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}
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if ($_output !== false) {
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if ($_output !== true) {
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// did we get compiled code
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if ($this->has_code) {
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// Does it create output?
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if ($this->has_output) {
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$_output .= "\n";
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}
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// return compiled code
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return $_output;
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}
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}
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// tag did not produce compiled code
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return null;
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} else {
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// map_named attributes
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if (isset($args[ '_attr' ])) {
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foreach ($args[ '_attr' ] as $key => $attribute) {
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if (is_array($attribute)) {
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$args = array_merge($args, $attribute);
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}
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}
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}
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// not an internal compiler tag
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if (strlen($tag) < 6 || substr($tag, - 5) !== 'close') {
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// check if tag is a registered object
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if (isset($this->smarty->registered_objects[ $tag ]) && isset($parameter[ 'object_method' ])) {
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$method = $parameter[ 'object_method' ];
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if (!in_array($method, $this->smarty->registered_objects[ $tag ][ 3 ]) &&
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(empty($this->smarty->registered_objects[ $tag ][ 1 ]) ||
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in_array($method, $this->smarty->registered_objects[ $tag ][ 1 ]))
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) {
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return $this->callTagCompiler('private_object_function', $args, $parameter, $tag, $method);
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} elseif (in_array($method, $this->smarty->registered_objects[ $tag ][ 3 ])) {
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return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag,
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$method);
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} else {
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// throw exception
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$this->trigger_template_error('not allowed method "' . $method . '" in registered object "' .
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$tag . '"', null, true);
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}
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}
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// check if tag is registered
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foreach (array(Smarty::PLUGIN_COMPILER,
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Smarty::PLUGIN_FUNCTION,
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Smarty::PLUGIN_BLOCK,) as $plugin_type) {
|
|
if (isset($this->smarty->registered_plugins[ $plugin_type ][ $tag ])) {
|
|
// if compiler function plugin call it now
|
|
if ($plugin_type === Smarty::PLUGIN_COMPILER) {
|
|
$new_args = array();
|
|
foreach ($args as $key => $mixed) {
|
|
if (is_array($mixed)) {
|
|
$new_args = array_merge($new_args, $mixed);
|
|
} else {
|
|
$new_args[ $key ] = $mixed;
|
|
}
|
|
}
|
|
if (!$this->smarty->registered_plugins[ $plugin_type ][ $tag ][ 1 ]) {
|
|
$this->tag_nocache = true;
|
|
}
|
|
return call_user_func_array($this->smarty->registered_plugins[ $plugin_type ][ $tag ][ 0 ],
|
|
array($new_args,
|
|
$this));
|
|
}
|
|
// compile registered function or block function
|
|
if ($plugin_type === Smarty::PLUGIN_FUNCTION || $plugin_type === Smarty::PLUGIN_BLOCK) {
|
|
return $this->callTagCompiler('private_registered_' . $plugin_type, $args, $parameter,
|
|
$tag);
|
|
}
|
|
}
|
|
}
|
|
// check plugins from plugins folder
|
|
foreach ($this->plugin_search_order as $plugin_type) {
|
|
if ($plugin_type === Smarty::PLUGIN_COMPILER &&
|
|
$this->smarty->loadPlugin('smarty_compiler_' . $tag) &&
|
|
(!isset($this->smarty->security_policy) ||
|
|
$this->smarty->security_policy->isTrustedTag($tag, $this))
|
|
) {
|
|
$plugin = 'smarty_compiler_' . $tag;
|
|
if (is_callable($plugin)) {
|
|
// convert arguments format for old compiler plugins
|
|
$new_args = array();
|
|
foreach ($args as $key => $mixed) {
|
|
if (is_array($mixed)) {
|
|
$new_args = array_merge($new_args, $mixed);
|
|
} else {
|
|
$new_args[ $key ] = $mixed;
|
|
}
|
|
}
|
|
|
|
return $plugin($new_args, $this->smarty);
|
|
}
|
|
if (class_exists($plugin, false)) {
|
|
$plugin_object = new $plugin;
|
|
if (method_exists($plugin_object, 'compile')) {
|
|
return $plugin_object->compile($args, $this);
|
|
}
|
|
}
|
|
throw new SmartyException("Plugin \"{$tag}\" not callable");
|
|
} else {
|
|
if ($function = $this->getPlugin($tag, $plugin_type)) {
|
|
if (!isset($this->smarty->security_policy) ||
|
|
$this->smarty->security_policy->isTrustedTag($tag, $this)
|
|
) {
|
|
return $this->callTagCompiler('private_' . $plugin_type . '_plugin', $args, $parameter,
|
|
$tag, $function);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (is_callable($this->smarty->default_plugin_handler_func)) {
|
|
$found = false;
|
|
// look for already resolved tags
|
|
foreach ($this->plugin_search_order as $plugin_type) {
|
|
if (isset($this->default_handler_plugins[ $plugin_type ][ $tag ])) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!$found) {
|
|
// call default handler
|
|
foreach ($this->plugin_search_order as $plugin_type) {
|
|
if ($this->getPluginFromDefaultHandler($tag, $plugin_type)) {
|
|
$found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if ($found) {
|
|
// if compiler function plugin call it now
|
|
if ($plugin_type === Smarty::PLUGIN_COMPILER) {
|
|
$new_args = array();
|
|
foreach ($args as $key => $mixed) {
|
|
if (is_array($mixed)) {
|
|
$new_args = array_merge($new_args, $mixed);
|
|
} else {
|
|
$new_args[ $key ] = $mixed;
|
|
}
|
|
}
|
|
return call_user_func_array($this->default_handler_plugins[ $plugin_type ][ $tag ][ 0 ],
|
|
array($new_args,
|
|
$this));
|
|
} else {
|
|
return $this->callTagCompiler('private_registered_' . $plugin_type, $args, $parameter,
|
|
$tag);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// compile closing tag of block function
|
|
$base_tag = substr($tag, 0, - 5);
|
|
// check if closing tag is a registered object
|
|
if (isset($this->smarty->registered_objects[ $base_tag ]) && isset($parameter[ 'object_method' ])) {
|
|
$method = $parameter[ 'object_method' ];
|
|
if (in_array($method, $this->smarty->registered_objects[ $base_tag ][ 3 ])) {
|
|
return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag,
|
|
$method);
|
|
} else {
|
|
// throw exception
|
|
$this->trigger_template_error('not allowed closing tag method "' . $method .
|
|
'" in registered object "' . $base_tag . '"', null, true);
|
|
}
|
|
}
|
|
// registered block tag ?
|
|
if (isset($this->smarty->registered_plugins[ Smarty::PLUGIN_BLOCK ][ $base_tag ]) ||
|
|
isset($this->default_handler_plugins[ Smarty::PLUGIN_BLOCK ][ $base_tag ])
|
|
) {
|
|
return $this->callTagCompiler('private_registered_block', $args, $parameter, $tag);
|
|
}
|
|
// registered function tag ?
|
|
if (isset($this->smarty->registered_plugins[ Smarty::PLUGIN_FUNCTION ][ $tag ])) {
|
|
return $this->callTagCompiler('private_registered_function', $args, $parameter, $tag);
|
|
}
|
|
// block plugin?
|
|
if ($function = $this->getPlugin($base_tag, Smarty::PLUGIN_BLOCK)) {
|
|
return $this->callTagCompiler('private_block_plugin', $args, $parameter, $tag, $function);
|
|
}
|
|
// function plugin?
|
|
if ($function = $this->getPlugin($tag, Smarty::PLUGIN_FUNCTION)) {
|
|
if (!isset($this->smarty->security_policy) ||
|
|
$this->smarty->security_policy->isTrustedTag($tag, $this)
|
|
) {
|
|
return $this->callTagCompiler('private_function_plugin', $args, $parameter, $tag, $function);
|
|
}
|
|
}
|
|
// registered compiler plugin ?
|
|
if (isset($this->smarty->registered_plugins[ Smarty::PLUGIN_COMPILER ][ $tag ])) {
|
|
// if compiler function plugin call it now
|
|
$args = array();
|
|
if (!$this->smarty->registered_plugins[ Smarty::PLUGIN_COMPILER ][ $tag ][ 1 ]) {
|
|
$this->tag_nocache = true;
|
|
}
|
|
return call_user_func_array($this->smarty->registered_plugins[ Smarty::PLUGIN_COMPILER ][ $tag ][ 0 ],
|
|
array($args,
|
|
$this));
|
|
}
|
|
if ($this->smarty->loadPlugin('smarty_compiler_' . $tag)) {
|
|
$plugin = 'smarty_compiler_' . $tag;
|
|
if (is_callable($plugin)) {
|
|
return $plugin($args, $this->smarty);
|
|
}
|
|
if (class_exists($plugin, false)) {
|
|
$plugin_object = new $plugin;
|
|
if (method_exists($plugin_object, 'compile')) {
|
|
return $plugin_object->compile($args, $this);
|
|
}
|
|
}
|
|
throw new SmartyException("Plugin \"{$tag}\" not callable");
|
|
}
|
|
}
|
|
$this->trigger_template_error("unknown tag \"" . $tag . "\"", null, true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* compile variable
|
|
*
|
|
* @param string $variable
|
|
*
|
|
* @return string
|
|
*/
|
|
public function compileVariable($variable)
|
|
{
|
|
if (strpos($variable, '(') == 0) {
|
|
// not a variable variable
|
|
$var = trim($variable, '\'');
|
|
$this->tag_nocache = $this->tag_nocache |
|
|
$this->template->ext->getTemplateVars->_getVariable($this->template, $var, null, true,
|
|
false)->nocache;
|
|
// todo $this->template->compiled->properties['variables'][$var] = $this->tag_nocache | $this->nocache;
|
|
}
|
|
return '$_smarty_tpl->tpl_vars[' . $variable . ']->value';
|
|
}
|
|
|
|
/**
|
|
* compile config variable
|
|
*
|
|
* @param string $variable
|
|
*
|
|
* @return string
|
|
*/
|
|
public function compileConfigVariable($variable)
|
|
{
|
|
// return '$_smarty_tpl->config_vars[' . $variable . ']';
|
|
return '$_smarty_tpl->smarty->ext->configLoad->_getConfigVariable($_smarty_tpl, ' . $variable . ')';
|
|
}
|
|
|
|
/**
|
|
* compile PHP function call
|
|
*
|
|
* @param string $name
|
|
* @param array $parameter
|
|
*
|
|
* @return string
|
|
*/
|
|
public function compilePHPFunctionCall($name, $parameter)
|
|
{
|
|
if (!$this->smarty->security_policy || $this->smarty->security_policy->isTrustedPhpFunction($name, $this)) {
|
|
if (strcasecmp($name, 'isset') === 0 || strcasecmp($name, 'empty') === 0 ||
|
|
strcasecmp($name, 'array') === 0 || is_callable($name)
|
|
) {
|
|
$func_name = strtolower($name);
|
|
$par = implode(',', $parameter);
|
|
$parHasFuction = strpos($par, '(') !== false;
|
|
if ($func_name === 'isset') {
|
|
if (count($parameter) === 0) {
|
|
$this->trigger_template_error('Illegal number of parameter in "isset()"');
|
|
}
|
|
if ($parHasFuction) {
|
|
$pa = array();
|
|
foreach ($parameter as $p) {
|
|
$pa[] = (strpos($p, '(') === false) ? ('isset(' . $p . ')') : ('(' . $p . ' !== null )');
|
|
}
|
|
return "(" . implode(' && ', $pa) . ")";
|
|
} else {
|
|
$isset_par = str_replace("')->value", "',null,true,false)->value", $par);
|
|
}
|
|
return $name . "(" . $isset_par . ")";
|
|
} elseif (in_array($func_name, array('empty',
|
|
'reset',
|
|
'current',
|
|
'end',
|
|
'prev',
|
|
'next'))) {
|
|
if (count($parameter) !== 1) {
|
|
$this->trigger_template_error("Illegal number of parameter in '{$func_name()}'");
|
|
}
|
|
if ($func_name === 'empty') {
|
|
if ($parHasFuction && version_compare(PHP_VERSION, '5.5.0', '<')) {
|
|
return '(' . $parameter[ 0 ] . ' == false )';
|
|
} else {
|
|
return $func_name . '(' .
|
|
str_replace("')->value", "',null,true,false)->value", $parameter[ 0 ]) . ')';
|
|
}
|
|
} else {
|
|
return $func_name . '(' . $parameter[ 0 ] . ')';
|
|
}
|
|
} else {
|
|
return $name . "(" . implode(',', $parameter) . ")";
|
|
}
|
|
} else {
|
|
$this->trigger_template_error("unknown function \"" . $name . "\"");
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method is called from parser to process a text content section
|
|
* - remove text from inheritance child templates as they may generate output
|
|
* - strip text if strip is enabled
|
|
*
|
|
* @param string $text
|
|
*
|
|
* @return null|\Smarty_Internal_ParseTree_Text
|
|
*/
|
|
public function processText($text)
|
|
{
|
|
if ((string) $text !== '') {
|
|
$store = array();
|
|
$_store = 0;
|
|
if ($this->parser->strip) {
|
|
if (strpos($text, '<') !== false) {
|
|
// capture html elements not to be messed with
|
|
$_offset = 0;
|
|
if (preg_match_all('#(<script[^>]*>.*?</script[^>]*>)|(<textarea[^>]*>.*?</textarea[^>]*>)|(<pre[^>]*>.*?</pre[^>]*>)#is',
|
|
$text, $matches, PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
|
|
foreach ($matches as $match) {
|
|
$store[] = $match[ 0 ][ 0 ];
|
|
$_length = strlen($match[ 0 ][ 0 ]);
|
|
$replace = '@!@SMARTY:' . $_store . ':SMARTY@!@';
|
|
$text = substr_replace($text, $replace, $match[ 0 ][ 1 ] - $_offset, $_length);
|
|
|
|
$_offset += $_length - strlen($replace);
|
|
++ $_store;
|
|
}
|
|
}
|
|
$expressions = array(// replace multiple spaces between tags by a single space
|
|
'#(:SMARTY@!@|>)[\040\011]+(?=@!@SMARTY:|<)#s' => '\1 \2',
|
|
// remove newline between tags
|
|
'#(:SMARTY@!@|>)[\040\011]*[\n]\s*(?=@!@SMARTY:|<)#s' => '\1\2',
|
|
// remove multiple spaces between attributes (but not in attribute values!)
|
|
'#(([a-z0-9]\s*=\s*("[^"]*?")|(\'[^\']*?\'))|<[a-z0-9_]+)\s+([a-z/>])#is' => '\1 \5',
|
|
'#>[\040\011]+$#Ss' => '> ',
|
|
'#>[\040\011]*[\n]\s*$#Ss' => '>',
|
|
$this->stripRegEx => '',);
|
|
|
|
$text = preg_replace(array_keys($expressions), array_values($expressions), $text);
|
|
$_offset = 0;
|
|
if (preg_match_all('#@!@SMARTY:([0-9]+):SMARTY@!@#is', $text, $matches,
|
|
PREG_OFFSET_CAPTURE | PREG_SET_ORDER)) {
|
|
foreach ($matches as $match) {
|
|
$_length = strlen($match[ 0 ][ 0 ]);
|
|
$replace = $store[ $match[ 1 ][ 0 ] ];
|
|
$text = substr_replace($text, $replace, $match[ 0 ][ 1 ] + $_offset, $_length);
|
|
|
|
$_offset += strlen($replace) - $_length;
|
|
++ $_store;
|
|
}
|
|
}
|
|
} else {
|
|
$text = preg_replace($this->stripRegEx, '', $text);
|
|
}
|
|
}
|
|
return new Smarty_Internal_ParseTree_Text($text);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* lazy loads internal compile plugin for tag and calls the compile method
|
|
* compile objects cached for reuse.
|
|
* class name format: Smarty_Internal_Compile_TagName
|
|
* plugin filename format: Smarty_Internal_TagName.php
|
|
*
|
|
* @param string $tag tag name
|
|
* @param array $args list of tag attributes
|
|
* @param mixed $param1 optional parameter
|
|
* @param mixed $param2 optional parameter
|
|
* @param mixed $param3 optional parameter
|
|
*
|
|
* @return string|bool compiled code or false
|
|
*/
|
|
public function callTagCompiler($tag, $args, $param1 = null, $param2 = null, $param3 = null)
|
|
{
|
|
/* @var Smarty_Internal_CompileBase $tagCompiler */
|
|
$tagCompiler = $this->getTagCompiler($tag);
|
|
// compile this tag
|
|
return $tagCompiler === false ? false : $tagCompiler->compile($args, $this, $param1, $param2, $param3);
|
|
}
|
|
|
|
/**
|
|
* lazy loads internal compile plugin for tag compile objects cached for reuse.
|
|
*
|
|
* class name format: Smarty_Internal_Compile_TagName
|
|
* plugin filename format: Smarty_Internal_TagName.php
|
|
*
|
|
* @param string $tag tag name
|
|
*
|
|
* @return Smarty_Internal_CompileBase|bool tag compiler object or false if not found
|
|
*/
|
|
public function getTagCompiler($tag)
|
|
{
|
|
// re-use object if already exists
|
|
if (!isset(self::$_tag_objects[ $tag ])) {
|
|
// lazy load internal compiler plugin
|
|
$_tag = explode('_', $tag);
|
|
$_tag = array_map('ucfirst', $_tag);
|
|
$class_name = 'Smarty_Internal_Compile_' . implode('_', $_tag);
|
|
if (class_exists($class_name) &&
|
|
(!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this))
|
|
) {
|
|
self::$_tag_objects[ $tag ] = new $class_name;
|
|
} else {
|
|
self::$_tag_objects[ $tag ] = false;
|
|
}
|
|
}
|
|
return self::$_tag_objects[ $tag ];
|
|
}
|
|
|
|
/**
|
|
* Check for plugins and return function name
|
|
*
|
|
* @param $plugin_name
|
|
* @param string $plugin_type type of plugin
|
|
*
|
|
* @return string call name of function
|
|
*/
|
|
public function getPlugin($plugin_name, $plugin_type)
|
|
{
|
|
$function = null;
|
|
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
|
|
if (isset($this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ])) {
|
|
$function =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ][ 'function' ];
|
|
} elseif (isset($this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ])) {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ] =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ];
|
|
$function =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ][ 'function' ];
|
|
}
|
|
} else {
|
|
if (isset($this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ])) {
|
|
$function =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ][ 'function' ];
|
|
} elseif (isset($this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ])) {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ] =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ];
|
|
$function =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ][ 'function' ];
|
|
}
|
|
}
|
|
if (isset($function)) {
|
|
if ($plugin_type === 'modifier') {
|
|
$this->modifier_plugins[ $plugin_name ] = true;
|
|
}
|
|
|
|
return $function;
|
|
}
|
|
// loop through plugin dirs and find the plugin
|
|
$function = 'smarty_' . $plugin_type . '_' . $plugin_name;
|
|
$file = $this->smarty->loadPlugin($function, false);
|
|
|
|
if (is_string($file)) {
|
|
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ][ 'file' ] =
|
|
$file;
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ $plugin_type ][ 'function' ] =
|
|
$function;
|
|
} else {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ][ 'file' ] =
|
|
$file;
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ $plugin_type ][ 'function' ] =
|
|
$function;
|
|
}
|
|
if ($plugin_type === 'modifier') {
|
|
$this->modifier_plugins[ $plugin_name ] = true;
|
|
}
|
|
|
|
return $function;
|
|
}
|
|
if (is_callable($function)) {
|
|
// plugin function is defined in the script
|
|
return $function;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Check for plugins by default plugin handler
|
|
*
|
|
* @param string $tag name of tag
|
|
* @param string $plugin_type type of plugin
|
|
*
|
|
* @return boolean true if found
|
|
*/
|
|
public function getPluginFromDefaultHandler($tag, $plugin_type)
|
|
{
|
|
$callback = null;
|
|
$script = null;
|
|
$cacheable = true;
|
|
$result = call_user_func_array($this->smarty->default_plugin_handler_func, array($tag,
|
|
$plugin_type,
|
|
$this->template,
|
|
&$callback,
|
|
&$script,
|
|
&$cacheable,));
|
|
if ($result) {
|
|
$this->tag_nocache = $this->tag_nocache || !$cacheable;
|
|
if ($script !== null) {
|
|
if (is_file($script)) {
|
|
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $tag ][ $plugin_type ][ 'file' ] =
|
|
$script;
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $tag ][ $plugin_type ][ 'function' ] =
|
|
$callback;
|
|
} else {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $tag ][ $plugin_type ][ 'file' ] =
|
|
$script;
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $tag ][ $plugin_type ][ 'function' ] =
|
|
$callback;
|
|
}
|
|
require_once $script;
|
|
} else {
|
|
$this->trigger_template_error("Default plugin handler: Returned script file \"{$script}\" for \"{$tag}\" not found");
|
|
}
|
|
}
|
|
if (is_callable($callback)) {
|
|
$this->default_handler_plugins[ $plugin_type ][ $tag ] = array($callback,
|
|
true,
|
|
array());
|
|
|
|
return true;
|
|
} else {
|
|
$this->trigger_template_error("Default plugin handler: Returned callback for \"{$tag}\" not callable");
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Append code segments and remove unneeded ?> <?php transitions
|
|
*
|
|
* @param string $left
|
|
* @param string $right
|
|
*
|
|
* @return string
|
|
*/
|
|
public function appendCode($left, $right)
|
|
{
|
|
if (preg_match('/\s*\?>\s*$/', $left) && preg_match('/^\s*<\?php\s+/', $right)) {
|
|
$left = preg_replace('/\s*\?>\s*$/', "\n", $left);
|
|
$left .= preg_replace('/^\s*<\?php\s+/', '', $right);
|
|
} else {
|
|
$left .= $right;
|
|
}
|
|
return $left;
|
|
}
|
|
|
|
/**
|
|
* 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 $is_code true if content is compiled code
|
|
*
|
|
* @return string content
|
|
*/
|
|
public function processNocacheCode($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->source->handler->recompiled) || $this->forceNocache) && $this->template->caching &&
|
|
!$this->suppressNocacheProcessing && ($this->nocache || $this->tag_nocache)
|
|
) {
|
|
$this->template->compiled->has_nocache_code = true;
|
|
$_output = addcslashes($content, '\'\\');
|
|
$_output = str_replace("^#^", "'", $_output);
|
|
$_output = "<?php echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/" . $_output .
|
|
"/*/%%SmartyNocache:{$this->nocache_hash}%%*/';?>\n";
|
|
// make sure we include modifier plugins for nocache code
|
|
foreach ($this->modifier_plugins as $plugin_name => $dummy) {
|
|
if (isset($this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ 'modifier' ])) {
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'nocache' ][ $plugin_name ][ 'modifier' ] =
|
|
$this->parent_compiler->template->compiled->required_plugins[ 'compiled' ][ $plugin_name ][ 'modifier' ];
|
|
}
|
|
}
|
|
} else {
|
|
$_output = $content;
|
|
}
|
|
} else {
|
|
$_output = $content;
|
|
}
|
|
$this->modifier_plugins = array();
|
|
$this->suppressNocacheProcessing = false;
|
|
$this->tag_nocache = false;
|
|
|
|
return $_output;
|
|
}
|
|
|
|
/**
|
|
* Get Id
|
|
*
|
|
* @param string $input
|
|
*
|
|
* @return bool|string
|
|
*/
|
|
public function getId($input)
|
|
{
|
|
if (preg_match('~^([\'"]*)([0-9]*[a-zA-Z_]\w*)\1$~', $input, $match)) {
|
|
return $match[ 2 ];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get variable name from string
|
|
*
|
|
* @param string $input
|
|
*
|
|
* @return bool|string
|
|
*/
|
|
public function getVariableName($input)
|
|
{
|
|
if (preg_match('~^[$]_smarty_tpl->tpl_vars\[[\'"]*([0-9]*[a-zA-Z_]\w*)[\'"]*\]->value$~', $input, $match)) {
|
|
return $match[ 1 ];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Set nocache flag in variable or create new variable
|
|
*
|
|
* @param string $varName
|
|
*/
|
|
public function setNocacheInVariable($varName)
|
|
{
|
|
// create nocache var to make it know for further compiling
|
|
if ($_var = $this->getId($varName)) {
|
|
if (isset($this->template->tpl_vars[ $_var ])) {
|
|
$this->template->tpl_vars[ $_var ] = clone $this->template->tpl_vars[ $_var ];
|
|
$this->template->tpl_vars[ $_var ]->nocache = true;
|
|
} else {
|
|
$this->template->tpl_vars[ $_var ] = new Smarty_Variable(null, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param array $_attr tag attributes
|
|
* @param array $validScopes
|
|
*
|
|
* @return int|string
|
|
* @throws \SmartyCompilerException
|
|
*/
|
|
public function convertScope($_attr, $validScopes)
|
|
{
|
|
$_scope = 0;
|
|
if (isset($_attr[ 'scope' ])) {
|
|
$_scopeName = trim($_attr[ 'scope' ], "'\"");
|
|
if (is_numeric($_scopeName) && in_array($_scopeName, $validScopes)) {
|
|
$_scope = $_scopeName;
|
|
} elseif (is_string($_scopeName)) {
|
|
$_scopeName = trim($_scopeName, "'\"");
|
|
$_scope = isset($validScopes[ $_scopeName ]) ? $validScopes[ $_scopeName ] : false;
|
|
} else {
|
|
$_scope = false;
|
|
}
|
|
if ($_scope === false) {
|
|
$err = var_export($_scopeName, true);
|
|
$this->trigger_template_error("illegal value '{$err}' for \"scope\" attribute", null, true);
|
|
}
|
|
}
|
|
return $_scope;
|
|
}
|
|
|
|
/**
|
|
* Generate nocache code string
|
|
*
|
|
* @param string $code PHP code
|
|
*
|
|
* @return string
|
|
*/
|
|
public function makeNocacheCode($code)
|
|
{
|
|
return "echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/<?php " .
|
|
str_replace("^#^", "'", addcslashes($code, '\'\\')) .
|
|
"?>/*/%%SmartyNocache:{$this->nocache_hash}%%*/';\n";
|
|
}
|
|
|
|
/**
|
|
* 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 string $args individual error message or null
|
|
* @param string $line line-number
|
|
* @param null|bool $tagline if true the line number of last tag
|
|
*
|
|
* @throws \SmartyCompilerException when an unexpected token is found
|
|
*/
|
|
public function trigger_template_error($args = null, $line = null, $tagline = null)
|
|
{
|
|
$lex = $this->parser->lex;
|
|
if ($tagline === true) {
|
|
// get line number of Tag
|
|
$line = $lex->taglineno;
|
|
} elseif (!isset($line)) {
|
|
// get template source line which has error
|
|
$line = $lex->line;
|
|
} else {
|
|
$line = (int) $line;
|
|
}
|
|
|
|
if (in_array($this->template->source->type, array('eval',
|
|
'string'))) {
|
|
$templateName = $this->template->source->type . ':' . trim(preg_replace('![\t\r\n]+!', ' ',
|
|
strlen($lex->data) > 40 ?
|
|
substr($lex->data, 0, 40) .
|
|
'...' : $lex->data));
|
|
} else {
|
|
$templateName = $this->template->source->type . ':' . $this->template->source->filepath;
|
|
}
|
|
|
|
// $line += $this->trace_line_offset;
|
|
$match = preg_split("/\n/", $lex->data);
|
|
$error_text =
|
|
'Syntax error in template "' . (empty($this->trace_filepath) ? $templateName : $this->trace_filepath) .
|
|
'" on line ' . ($line + $this->trace_line_offset) . ' "' .
|
|
trim(preg_replace('![\t\r\n]+!', ' ', $match[ $line - 1 ])) . '" ';
|
|
if (isset($args)) {
|
|
// individual error message
|
|
$error_text .= $args;
|
|
} else {
|
|
$expect = array();
|
|
// expected token from parser
|
|
$error_text .= ' - Unexpected "' . $lex->value . '"';
|
|
if (count($this->parser->yy_get_expected_tokens($this->parser->yymajor)) <= 4) {
|
|
foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
|
|
$exp_token = $this->parser->yyTokenName[ $token ];
|
|
if (isset($lex->smarty_token_names[ $exp_token ])) {
|
|
// token type from lexer
|
|
$expect[] = '"' . $lex->smarty_token_names[ $exp_token ] . '"';
|
|
} else {
|
|
// otherwise internal token name
|
|
$expect[] = $this->parser->yyTokenName[ $token ];
|
|
}
|
|
}
|
|
$error_text .= ', expected one of: ' . implode(' , ', $expect);
|
|
}
|
|
}
|
|
$e = new SmartyCompilerException($error_text);
|
|
$e->line = $line;
|
|
$e->source = trim(preg_replace('![\t\r\n]+!', ' ', $match[ $line - 1 ]));
|
|
$e->desc = $args;
|
|
$e->template = $this->template->source->filepath;
|
|
throw $e;
|
|
}
|
|
|
|
/**
|
|
* Return var_export() value with all white spaces removed
|
|
*
|
|
* @param mixed $value
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getVarExport($value)
|
|
{
|
|
return preg_replace('/\s/', '', var_export($value, true));
|
|
}
|
|
|
|
/**
|
|
* Check if $value contains variable elements
|
|
*
|
|
* @param mixed $value
|
|
*
|
|
* @return bool|int
|
|
*/
|
|
public function isVariable($value)
|
|
{
|
|
if (is_string($value)) {
|
|
return preg_match('/[$(]/', $value);
|
|
}
|
|
if (is_bool($value) || is_numeric($value)) {
|
|
return false;
|
|
}
|
|
if (is_array($value)) {
|
|
foreach ($value as $k => $v) {
|
|
if ($this->isVariable($k) || $this->isVariable($v)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get new prefix variable name
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getNewPrefixVariable()
|
|
{
|
|
++ self::$prefixVariableNumber;
|
|
return $this->getPrefixVariable();
|
|
}
|
|
|
|
/**
|
|
* Get current prefix variable name
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getPrefixVariable()
|
|
{
|
|
return '$_prefixVariable' . self::$prefixVariableNumber;
|
|
}
|
|
|
|
/**
|
|
* append code to prefix buffer
|
|
*
|
|
* @param string $code
|
|
*/
|
|
public function appendPrefixCode($code)
|
|
{
|
|
$this->prefix_code[] = $code;
|
|
}
|
|
|
|
/**
|
|
* get prefix code string
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getPrefixCode()
|
|
{
|
|
$code = '';
|
|
$prefixArray = array_merge($this->prefix_code, array_pop($this->prefixCodeStack));
|
|
$this->prefixCodeStack[] = array();
|
|
foreach ($prefixArray as $c) {
|
|
$code = $this->appendCode($code, $c);
|
|
}
|
|
$this->prefix_code = array();
|
|
return $code;
|
|
}
|
|
|
|
}
|