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File: libs/smarty/sysplugins/smarty_internal_compile_function.php

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File: libs/smarty/sysplugins/smarty_internal_compile_function.php
Role: Auxiliary script
Content type: text/plain
Description: smarty lib
Class: MVC 4 Dummies
Web development PHP MVC framework
Author: By
Last change:
Date: 7 years ago
Size: 7,356 bytes
 

Contents

Class file image Download
<?php
/**
 * Smarty Internal Plugin Compile Function
 * Compiles the {function} {/function} tags
 *
 * @package Smarty
 * @subpackage Compiler
 * @author Uwe Tews
 */

/**
 * Smarty Internal Plugin Compile Function Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase
{
   
/**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
   
public $required_attributes = array('name');
   
/**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
   
public $shorttag_order = array('name');
   
/**
     * Attribute definition: Overwrites base class.
     *
     * @var array
     * @see Smarty_Internal_CompileBase
     */
   
public $optional_attributes = array('_any');

   
/**
     * Compiles code for the {function} tag
     *
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @param array $parameter array with compilation parameter
     *
     * @return boolean true
     */
   
public function compile($args, $compiler, $parameter)
    {
       
// check and get attributes
       
$_attr = $this->getAttributes($compiler, $args);

        if (
$_attr['nocache'] === true) {
           
$compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);
        }
        unset(
$_attr['nocache']);
       
$save = array($_attr, $compiler->parser->current_buffer,
                     
$compiler->template->has_nocache_code, $compiler->template->required_plugins);
       
$this->openTag($compiler, 'function', $save);
       
$_name = trim($_attr['name'], "'\"");
        unset(
$_attr['name']);
       
// set flag that we are compiling a template function
       
$compiler->compiles_template_function = true;
       
$compiler->template->properties['function'][$_name]['parameter'] = array();
       
/** @var Smarty_Internal_Template $_smarty_tpl
         * used in evaluated code
         */
       
$_smarty_tpl = $compiler->template;
        foreach (
$_attr as $_key => $_data) {
            eval (
'$tmp=' . $_data . ';');
           
$compiler->template->properties['function'][$_name]['parameter'][$_key] = $tmp;
        }
       
$compiler->smarty->template_functions[$_name]['parameter'] = $compiler->template->properties['function'][$_name]['parameter'];
        if (
$compiler->template->caching) {
           
$output = '';
        } else {
           
$output = "<?php if (!function_exists('smarty_template_function_{$_name}')) {
    function smarty_template_function_
{$_name}(\$_smarty_tpl,\$params) {
    \$saved_tpl_vars = \$_smarty_tpl->tpl_vars;
    foreach (\$_smarty_tpl->smarty->template_functions['
{$_name}']['parameter'] as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);};
    foreach (\$params as \$key => \$value) {\$_smarty_tpl->tpl_vars[\$key] = new Smarty_variable(\$value);}?>"
;
        }
       
// Init temporary context
       
$compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());
       
$compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
       
$compiler->parser->current_buffer->append_subtree(new _smarty_tag($compiler->parser, $output));
       
$compiler->template->has_nocache_code = false;
       
$compiler->has_code = false;
       
$compiler->template->properties['function'][$_name]['compiled'] = '';
        return
true;
    }
}

/**
 * Smarty Internal Plugin Compile Functionclose Class
 *
 * @package Smarty
 * @subpackage Compiler
 */
class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase
{
   
/**
     * Compiles code for the {/function} tag
     *
     * @param array $args array with attributes from parser
     * @param object $compiler compiler object
     * @param array $parameter array with compilation parameter
     *
     * @return boolean true
     */
   
public function compile($args, $compiler, $parameter)
    {
       
$_attr = $this->getAttributes($compiler, $args);
       
$saved_data = $this->closeTag($compiler, array('function'));
       
$_name = trim($saved_data[0]['name'], "'\"");
       
// build plugin include code
       
$plugins_string = '';
        if (!empty(
$compiler->template->required_plugins['compiled'])) {
           
$plugins_string = '<?php ';
            foreach (
$compiler->template->required_plugins['compiled'] as $tmp) {
                foreach (
$tmp as $data) {
                   
$plugins_string .= "if (!is_callable('{$data['function']}')) include '{$data['file']}';\n";
                }
            }
           
$plugins_string .= '?>';
        }
        if (!empty(
$compiler->template->required_plugins['nocache'])) {
           
$plugins_string .= "<?php echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";
            foreach (
$compiler->template->required_plugins['nocache'] as $tmp) {
                foreach (
$tmp as $data) {
                   
$plugins_string .= "if (!is_callable(\'{$data['function']}\')) include \'{$data['file']}\';\n";
                }
            }
           
$plugins_string .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';?>\n";
        }
       
// remove last line break from function definition
       
$last = count($compiler->parser->current_buffer->subtrees) - 1;
        if (
$compiler->parser->current_buffer->subtrees[$last] instanceof _smarty_linebreak) {
            unset(
$compiler->parser->current_buffer->subtrees[$last]);
        }
       
// if caching save template function for possible nocache call
       
if ($compiler->template->caching) {
           
$compiler->template->properties['function'][$_name]['compiled'] .= $plugins_string
               
. $compiler->parser->current_buffer->to_smarty_php();
           
$compiler->template->properties['function'][$_name]['nocache_hash'] = $compiler->template->properties['nocache_hash'];
           
$compiler->template->properties['function'][$_name]['has_nocache_code'] = $compiler->template->has_nocache_code;
           
$compiler->template->properties['function'][$_name]['called_functions'] = $compiler->called_functions;
           
$compiler->called_functions = array();
           
$compiler->smarty->template_functions[$_name] = $compiler->template->properties['function'][$_name];
           
$compiler->has_code = false;
           
$output = true;
        } else {
           
$output = $plugins_string . $compiler->parser->current_buffer->to_smarty_php() . "<?php \$_smarty_tpl->tpl_vars = \$saved_tpl_vars;
foreach (Smarty::\$global_tpl_vars as \$key => \$value) if(!isset(\$_smarty_tpl->tpl_vars[\$key])) \$_smarty_tpl->tpl_vars[\$key] = \$value;}}?>\n"
;
        }
       
// reset flag that we are compiling a template function
       
$compiler->compiles_template_function = false;
       
// restore old compiler status
       
$compiler->parser->current_buffer = $saved_data[1];
       
$compiler->template->has_nocache_code = $compiler->template->has_nocache_code | $saved_data[2];
       
$compiler->template->required_plugins = $saved_data[3];

        return
$output;
    }
}