/framework/vendor/smarty3/lib/libs/sysplugins/smarty_internal_compile_extends.php

  1<?php
  2
  3/**
  4 * Smarty Internal Plugin Compile extend
  5 * 
  6 * Compiles the {extends} tag
  7 * 
  8 * @package Smarty
  9 * @subpackage Compiler
 10 * @author Uwe Tews 
 11 */
 12/**
 13 * Smarty Internal Plugin Compile extend Class
 14 */
 15class Smarty_Internal_Compile_Extends extends Smarty_Internal_CompileBase {
 16    /**
 17     * Compiles code for the {extends} tag
 18     * 
 19     * @param array $args array with attributes from parser
 20     * @param object $compiler compiler object
 21     * @return string compiled code
 22     */
 23    public function compile($args, $compiler)
 24    {
 25        $this->compiler = $compiler;
 26        $this->smarty = $compiler->smarty;
 27        $this->_rdl = preg_quote($this->smarty->right_delimiter);
 28        $this->_ldl = preg_quote($this->smarty->left_delimiter);
 29        $this->required_attributes = array('file'); 
 30        // check and get attributes
 31        $_attr = $this->_get_attributes($args);
 32        $_smarty_tpl = $compiler->template; 
 33        // $include_file = '';
 34        eval('$include_file = ' . $_attr['file'] . ';'); 
 35        // create template object
 36        $_template = new $compiler->smarty->template_class($include_file, $this->smarty, $compiler->template); 
 37        // save file dependency
 38        $compiler->template->properties['file_dependency'][sha1($_template->getTemplateFilepath())] = array($_template->getTemplateFilepath(), $_template->getTemplateTimestamp());
 39        $_content = $compiler->template->template_source;
 40        if (preg_match_all("!({$this->_ldl}block(.+?){$this->_rdl})!", $_content, $s) !=
 41                preg_match_all("!({$this->_ldl}/block(.*?){$this->_rdl})!", $_content, $c)) {
 42            $this->compiler->trigger_template_error('unmatched {block} {/block} pairs');
 43        } 
 44        preg_match_all("!{$this->_ldl}block(.+?){$this->_rdl}|{$this->_ldl}/block.*{$this->_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
 45        $_result_count = count($_result[0]);
 46        $_start = 0;
 47        while ($_start < $_result_count) {
 48            $_end = 0;
 49            $_level = 1;
 50            while ($_level != 0) {
 51                $_end++;
 52                if (!strpos($_result[0][$_start + $_end][0], '/')) {
 53                    $_level++;
 54                } else {
 55                    $_level--;
 56                } 
 57            } 
 58            $_block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.parent' . $this->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%',
 59                substr($_content, $_result[0][$_start][1] + strlen($_result[0][$_start][0]), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + strlen($_result[0][$_start][0])));
 60            $this->saveBlockData($_block_content, $_result[0][$_start][0], $compiler->template);
 61            $_start = $_start + $_end + 1;
 62        } 
 63        $compiler->template->template_source = $_template->getTemplateSource();
 64        $compiler->template->template_filepath = $_template->getTemplateFilepath();
 65        $compiler->abort_and_recompile = true;
 66        return ' ';
 67    } 
 68
 69    protected function saveBlockData($block_content, $block_tag, $template)
 70    {
 71        if (0 == preg_match("!(.?)(name=)(.*?)(?=(\s|{$this->_rdl}))!", $block_tag, $_match)) {
 72            $this->compiler->trigger_template_error("\"" . $block_tag . "\" missing name attribute");
 73        } else {
 74            $_name = trim($_match[3], '\'"');
 75	   // replace {$smarty.block.child} 
 76            if (strpos($block_content, $this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter) !== false) {
 77                if (isset($this->smarty->block_data[$_name])) {
 78                    $block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
 79                        $this->smarty->block_data[$_name]['source'], $block_content);
 80                    unset($this->smarty->block_data[$_name]);
 81                } else {
 82                    $block_content = str_replace($this->smarty->left_delimiter . '$smarty.block.child' . $this->smarty->right_delimiter,
 83                        '', $block_content);
 84                } 
 85            } 
 86            if (isset($this->smarty->block_data[$_name])) {
 87                if (strpos($this->smarty->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
 88                    $this->smarty->block_data[$_name]['source'] =
 89                    str_replace('%%%%SMARTY_PARENT%%%%', $block_content, $this->smarty->block_data[$_name]['source']);
 90                } elseif ($this->smarty->block_data[$_name]['mode'] == 'prepend') {
 91                    $this->smarty->block_data[$_name]['source'] .= $block_content;
 92                } elseif ($this->smarty->block_data[$_name]['mode'] == 'append') {
 93                    $this->smarty->block_data[$_name]['source'] = $block_content . $this->smarty->block_data[$_name]['source'];
 94                } 
 95            } else {
 96                $this->smarty->block_data[$_name]['source'] = $block_content;
 97            } 
 98            if (preg_match('/(.?)(append)(.*)/', $block_tag, $_match) != 0) {
 99                $this->smarty->block_data[$_name]['mode'] = 'append';
100            } elseif (preg_match('/(.?)(prepend)(.*)/', $block_tag, $_match) != 0) {
101                $this->smarty->block_data[$_name]['mode'] = 'prepend';
102            } else {
103                $this->smarty->block_data[$_name]['mode'] = 'replace';
104            } 
105            $this->smarty->block_data[$_name]['file'] = $template->getTemplateFilepath();
106        } 
107    } 
108} 
109
110?>