mirror of
https://github.com/smarty-php/smarty.git
synced 2025-11-03 22:01:36 +01:00
1071 lines
40 KiB
PHP
1071 lines
40 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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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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* Lexer object
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*
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* @var object
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*/
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public $lex;
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/**
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* Parser object
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*
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* @var object
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*/
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public $parser;
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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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public $_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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* sources which must be compiled
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*
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* @var array
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*/
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public $sources = array();
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/**
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* flag that we are inside {block}
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*
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* @var bool
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*/
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public $inheritance = false;
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/**
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* flag when compiling inheritance child template
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*
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* @var bool
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*/
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public $inheritance_child = false;
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/**
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* uid of templates called by {extends} for recursion check
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*
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* @var array
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*/
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public $extends_uid = 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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* suppress Smarty header code in compiled template
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*
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* @var bool
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*/
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public $suppressHeader = false;
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/**
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* suppress template property header code in compiled template
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*
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* @var bool
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*/
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public $suppressTemplatePropertyHeader = false;
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/**
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* suppress pre and post filter
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*
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* @var bool
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*/
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public $suppressFilter = 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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* flag if currently a template function is compiled
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*
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* @var bool
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*/
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public $compiles_template_function = false;
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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 function code
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*
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* @var string
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*/
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public $templateFunctionCode = '';
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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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* Universal cache
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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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* 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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* 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, $isTemplateSource = false);
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/**
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* Initialize compiler
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*/
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public function __construct()
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{
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$this->nocache_hash = str_replace(array('.', ','), '_', 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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*/
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public function compileTemplate(Smarty_Internal_Template $template, $nocache = null, $parent_compiler = null)
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{
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// save template object in compiler class
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$this->template = $template;
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if (isset($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->properties['nocache_hash'])) {
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$template->properties['nocache_hash'] = $this->nocache_hash;
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} else {
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$this->nocache_hash = $template->properties['nocache_hash'];
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}
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$save_source = $this->template->source;
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// template header code
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$template_header = '';
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if (!$this->suppressHeader) {
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$template_header .= "<?php /* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . "\n";
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$template_header .= " compiled from \"" . $this->template->source->filepath . "\" */ ?>\n";
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}
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if (empty($this->template->source->components)) {
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$this->sources = array($template->source);
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} else {
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// we have array of inheritance templates by extends: resource
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$this->sources = array_reverse($template->source->components);
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}
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$loop = 0;
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// the $this->sources array can get additional elements while compiling by the {extends} tag
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while ($this->template->source = array_shift($this->sources)) {
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$this->smarty->_current_file = $this->template->source->filepath;
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_compile($this->template);
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}
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$no_sources = count($this->sources);
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$this->parent_compiler->template->properties['file_dependency'][$this->template->source->uid] = array($this->template->source->filepath,
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$this->template->source->getTimeStamp(), $this->template->source->type);
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$loop ++;
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if ($no_sources) {
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$this->inheritance_child = true;
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} else {
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$this->inheritance_child = false;
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}
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// flag for nochache sections
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$this->nocache = $nocache;
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$this->tag_nocache = false;
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// reset has nocache code flag
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$this->template->has_nocache_code = false;
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$this->has_variable_string = false;
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$this->prefix_code = array();
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$_compiled_code = '';
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// get template source
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$_content = $this->template->source->getContent();
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if ($_content != '') {
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// run pre filter if required
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if ((isset($this->smarty->autoload_filters['pre']) || isset($this->smarty->registered_filters['pre'])) && !$this->suppressFilter) {
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$_content = Smarty_Internal_Filter_Handler::runFilter('pre', $_content, $template);
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}
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// call compiler
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$_compiled_code = $this->doCompile($_content, true);
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_compile($this->template);
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}
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}
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// restore source
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$this->template->source = $save_source;
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unset($save_source);
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$this->smarty->_current_file = $this->template->source->filepath;
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// free memory
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unset($this->parser->root_buffer, $this->parser->current_buffer, $this->parser, $this->lex);
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// return compiled code to template object
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$merged_code = '';
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if (!empty($this->mergedSubTemplatesCode)) {
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foreach ($this->mergedSubTemplatesCode as $code) {
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$merged_code .= $code;
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}
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}
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// run post filter if required on compiled template code
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if ((isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) && !$this->suppressFilter && $_compiled_code != '') {
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$_compiled_code = Smarty_Internal_Filter_Handler::runFilter('post', $_compiled_code, $template);
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}
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if ($this->suppressTemplatePropertyHeader) {
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$_compiled_code .= $merged_code;
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} else {
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$_compiled_code = $template_header . Smarty_Internal_Extension_CodeFrame::create($template, $_compiled_code) . $merged_code;
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}
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if (!empty($this->templateFunctionCode)) {
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// run post filter if required on compiled template code
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if ((isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) && !$this->suppressFilter) {
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$_compiled_code .= Smarty_Internal_Filter_Handler::runFilter('post', $this->templateFunctionCode, $template);
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} else {
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$_compiled_code .= $this->templateFunctionCode;
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}
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}
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$this->parent_compiler = null;
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$this->template = null;
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return $_compiled_code;
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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->get_used_tags) && $this->smarty->get_used_tags) {
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$this->template->used_tags[] = array($tag, $args);
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}
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// check nocache option flag
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if (in_array("'nocache'", $args) || in_array(array('nocache' => 'true'), $args) || in_array(array('nocache' => '"true"'), $args) || in_array(array('nocache' => "'true'"), $args)) {
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$this->tag_nocache = true;
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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->templateProperties['tpl_function'][$tag])) {
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// template defined by {template} tag
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$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]) && (empty($this->smarty->registered_objects[$tag][1]) || in_array($method, $this->smarty->registered_objects[$tag][1]))) {
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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, $method);
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} else {
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// throw exception
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$this->trigger_template_error('not allowed method "' . $method . '" in registered object "' . $tag . '"', $this->lex->taglineno);
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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, Smarty::PLUGIN_FUNCTION,
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Smarty::PLUGIN_BLOCK) as $plugin_type) {
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if (isset($this->smarty->registered_plugins[$plugin_type][$tag])) {
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// if compiler function plugin call it now
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if ($plugin_type == Smarty::PLUGIN_COMPILER) {
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$new_args = array();
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foreach ($args as $key => $mixed) {
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if (is_array($mixed)) {
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$new_args = array_merge($new_args, $mixed);
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} else {
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$new_args[$key] = $mixed;
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}
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}
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if (!$this->smarty->registered_plugins[$plugin_type][$tag][1]) {
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$this->tag_nocache = true;
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}
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$function = $this->smarty->registered_plugins[$plugin_type][$tag][0];
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if (!is_array($function)) {
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return $function($new_args, $this);
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} elseif (is_object($function[0])) {
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return $this->smarty->registered_plugins[$plugin_type][$tag][0][0]->$function[1]($new_args, $this);
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} else {
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return call_user_func_array($function, array($new_args, $this));
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}
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}
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// compile registered function or block function
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if ($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->smarty->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->smarty->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->smarty->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 $mixed) {
|
|
$new_args = array_merge($new_args, $mixed);
|
|
}
|
|
$function = $this->default_handler_plugins[$plugin_type][$tag][0];
|
|
if (!is_array($function)) {
|
|
return $function($new_args, $this);
|
|
} elseif (is_object($function[0])) {
|
|
return $this->default_handler_plugins[$plugin_type][$tag][0][0]->$function[1]($new_args, $this);
|
|
} else {
|
|
return call_user_func_array($function, 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 . '"', $this->lex->taglineno);
|
|
}
|
|
}
|
|
// registered block tag ?
|
|
if (isset($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;
|
|
}
|
|
$function = $this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag][0];
|
|
if (!is_array($function)) {
|
|
return $function($args, $this);
|
|
} elseif (is_object($function[0])) {
|
|
return $this->smarty->registered_plugins[Smarty::PLUGIN_COMPILER][$tag][0][0]->$function[1]($args, $this);
|
|
} else {
|
|
return call_user_func_array($function, 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 . "\"", $this->lex->taglineno);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 | $this->template->getVariable($var, null, true, false)->nocache;
|
|
$this->template->properties['variables'][$var] = $this->tag_nocache | $this->nocache;
|
|
}
|
|
return '$_smarty_tpl->tpl_vars[' . $variable . ']->value';
|
|
}
|
|
|
|
/**
|
|
* 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 ($this->parser->strip) {
|
|
return new Smarty_Internal_ParseTree_Text($this->parser, preg_replace($this->stripRegEx, '', $text));
|
|
} else {
|
|
return new Smarty_Internal_ParseTree_Text($this->parser, $text);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 $param3 optional parameter
|
|
*
|
|
* @return string compiled code
|
|
*/
|
|
public function callTagCompiler($tag, $args, $param1 = null, $param2 = null, $param3 = null)
|
|
{
|
|
// re-use object if already exists
|
|
if (!isset($this->_tag_objects[$tag])) {
|
|
// lazy load internal compiler plugin
|
|
$class_name = 'Smarty_Internal_Compile_' . ucfirst($tag);
|
|
if (class_exists($class_name) && (!isset($this->smarty->security_policy) || $this->smarty->security_policy->isTrustedTag($tag, $this))) {
|
|
$this->_tag_objects[$tag] = new $class_name;
|
|
} else {
|
|
$this->_tag_objects[$tag] = false;
|
|
return false;
|
|
}
|
|
}
|
|
// compile this tag
|
|
return $this->_tag_objects[$tag] === false ? false : $this->_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
|
|
}
|
|
|
|
/**
|
|
* 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->template->required_plugins['nocache'][$plugin_name][$plugin_type])) {
|
|
$function = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'];
|
|
} elseif (isset($this->template->required_plugins['compiled'][$plugin_name][$plugin_type])) {
|
|
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type] = $this->template->required_plugins['compiled'][$plugin_name][$plugin_type];
|
|
$function = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'];
|
|
}
|
|
} else {
|
|
if (isset($this->template->required_plugins['compiled'][$plugin_name][$plugin_type])) {
|
|
$function = $this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['function'];
|
|
} elseif (isset($this->template->required_plugins['nocache'][$plugin_name][$plugin_type])) {
|
|
$this->template->required_plugins['compiled'][$plugin_name][$plugin_type] = $this->template->required_plugins['nocache'][$plugin_name][$plugin_type];
|
|
$function = $this->template->required_plugins['compiled'][$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)) {
|
|
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['file'] = $file;
|
|
$this->template->required_plugins['nocache'][$plugin_name][$plugin_type]['function'] = $function;
|
|
} else {
|
|
$this->template->required_plugins['compiled'][$plugin_name][$plugin_type]['file'] = $file;
|
|
$this->template->required_plugins['compiled'][$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)) {
|
|
$this->template->required_plugins['nocache'][$tag][$plugin_type]['file'] = $script;
|
|
$this->template->required_plugins['nocache'][$tag][$plugin_type]['function'] = $callback;
|
|
} else {
|
|
$this->template->required_plugins['compiled'][$tag][$plugin_type]['file'] = $script;
|
|
$this->template->required_plugins['compiled'][$tag][$plugin_type]['function'] = $callback;
|
|
}
|
|
require_once $script;
|
|
} else {
|
|
$this->trigger_template_error("Default plugin handler: Returned script file \"{$script}\" for \"{$tag}\" not found");
|
|
}
|
|
}
|
|
if (!is_string($callback) && !(is_array($callback) && is_string($callback[0]) && is_string($callback[1]))) {
|
|
$this->trigger_template_error("Default plugin handler: Returned callback for \"{$tag}\" must be a static function name or array of class and function name");
|
|
}
|
|
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->recompiled) || $this->forceNocache) && $this->template->caching && !$this->suppressNocacheProcessing && ($this->nocache || $this->tag_nocache)) {
|
|
$this->template->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->template->required_plugins['compiled'][$plugin_name]['modifier'])) {
|
|
$this->template->required_plugins['nocache'][$plugin_name]['modifier'] = $this->template->required_plugins['compiled'][$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*)[\'"]*$~', $input, $match)) {
|
|
return $match[1];
|
|
}
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* 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";
|
|
}
|
|
|
|
/**
|
|
* push current file and line offset on stack for tracing {block} source lines
|
|
*
|
|
* @param string $file new filename
|
|
* @param string $uid uid of file
|
|
* @param int $line line offset to source
|
|
* @param bool $debug false debug end_compile shall not be called
|
|
*/
|
|
public function pushTrace($file, $uid, $line, $debug = true)
|
|
{
|
|
if ($this->smarty->debugging && $debug) {
|
|
Smarty_Internal_Debug::end_compile($this->template);
|
|
}
|
|
array_push($this->trace_stack, array($this->smarty->_current_file, $this->trace_filepath, $this->trace_uid,
|
|
$this->trace_line_offset));
|
|
$this->trace_filepath = $this->smarty->_current_file = $file;
|
|
$this->trace_uid = $uid;
|
|
$this->trace_line_offset = $line;
|
|
if ($this->smarty->debugging) {
|
|
Smarty_Internal_Debug::start_compile($this->template);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* restore file and line offset
|
|
*/
|
|
public function popTrace()
|
|
{
|
|
if ($this->smarty->debugging) {
|
|
Smarty_Internal_Debug::end_compile($this->template);
|
|
}
|
|
$r = array_pop($this->trace_stack);
|
|
$this->smarty->_current_file = $r[0];
|
|
$this->trace_filepath = $r[1];
|
|
$this->trace_uid = $r[2];
|
|
$this->trace_line_offset = $r[3];
|
|
if ($this->smarty->debugging) {
|
|
Smarty_Internal_Debug::start_compile($this->template);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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.
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* If parameter $args contains a string this is used as error message
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*
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|
* @param string $args individual error message or null
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|
* @param string $line line-number
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|
*
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|
* @throws SmartyCompilerException when an unexpected token is found
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*/
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public function trigger_template_error($args = null, $line = null)
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{
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|
// get template source line which has error
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|
if (!isset($line)) {
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|
$line = $this->lex->line;
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|
}
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|
// $line += $this->trace_line_offset;
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|
$match = preg_split("/\n/", $this->lex->data);
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|
$error_text = 'Syntax error in template "' . (empty($this->trace_filepath) ? $this->template->source->filepath : $this->trace_filepath) . '" on line ' . ($line + $this->trace_line_offset) . ' "' . trim(preg_replace('![\t\r\n]+!', ' ', $match[$line - 1])) . '" ';
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|
if (isset($args)) {
|
|
// individual error message
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|
$error_text .= $args;
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|
} else {
|
|
$expect = array();
|
|
// expected token from parser
|
|
$error_text .= ' - Unexpected "' . $this->lex->value . '"';
|
|
if (count($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($this->lex->smarty_token_names[$exp_token])) {
|
|
// token type from lexer
|
|
$expect[] = '"' . $this->lex->smarty_token_names[$exp_token] . '"';
|
|
} else {
|
|
// otherwise internal token name
|
|
$expect[] = $this->parser->yyTokenName[$token];
|
|
}
|
|
}
|
|
$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;
|
|
}
|
|
}
|