WEB-INF/lib/smarty/sysplugins/smarty_internal_compile_block.php

   1 <?php
   2 /**
   3  * Smarty Internal Plugin Compile Block
   4  *
   5  * Compiles the {block}{/block} tags
   6  *
   7  * @package Smarty
   8  * @subpackage Compiler
   9  * @author Uwe Tews
  10  */
  11
  12 /**
  13  * Smarty Internal Plugin Compile Block Class
  14  */
  15 class Smarty_Internal_Compile_Block extends Smarty_Internal_CompileBase {
  16         // attribute definitions
  17     public $required_attributes = array('name');
  18     public $shorttag_order = array('name');
  19     /**
  20      * Compiles code for the {block} tag
  21      *
  22      * @param array $args array with attributes from parser
  23      * @param object $compiler compiler object
  24      * @return boolean true
  25      */
  26     public function compile($args, $compiler)
  27     {
  28         $this->compiler = $compiler;
  29         // check and get attributes
  30         $_attr = $this->_get_attributes($args);
  31         $save = array($_attr, $compiler->parser->current_buffer, $this->compiler->nocache, $this->compiler->smarty->merge_compiled_includes, $compiler->smarty->inheritance);
  32         $this->_open_tag('block', $save);
  33         if ($_attr['nocache'] == true) {
  34             $compiler->nocache = true;
  35         }
  36         // set flag for {block} tag
  37         $compiler->smarty->inheritance = true;
  38         // must merge includes
  39         $this->compiler->smarty->merge_compiled_includes = true;
  40
  41         $compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
  42         $compiler->has_code = false;
  43         return true;
  44     }
  45
  46
  47     static function saveBlockData($block_content, $block_tag, $template, $filepath)
  48     {
  49         $_rdl = preg_quote($template->smarty->right_delimiter);
  50         $_ldl = preg_quote($template->smarty->left_delimiter);
  51
  52         if (0 == preg_match("!({$_ldl}block\s+)(name=)?(\w+|'.*'|\".*\")(\s*?)?((append|prepend|nocache)(=true)?)?(\s*{$_rdl})!", $block_tag, $_match)) {
  53             $error_text = 'Syntax Error in template "' . $template->getTemplateFilepath() . '"   "' . htmlspecialchars($block_tag) . '" illegal options';
  54             throw new SmartyCompilerException($error_text);
  55         } else {
  56             $_name = trim($_match[3], '\'"');
  57             // replace {$smarty.block.child}
  58             if (strpos($block_content, $template->smarty->left_delimiter . '$smarty.block.child' . $template->smarty->right_delimiter) !== false) {
  59                 if (isset($template->block_data[$_name])) {
  60                     $block_content = str_replace($template->smarty->left_delimiter . '$smarty.block.child' . $template->smarty->right_delimiter,
  61                         $template->block_data[$_name]['source'], $block_content);
  62                     unset($template->block_data[$_name]);
  63                 } else {
  64                     $block_content = str_replace($template->smarty->left_delimiter . '$smarty.block.child' . $template->smarty->right_delimiter,
  65                         '', $block_content);
  66                 }
  67             }
  68             if (isset($template->block_data[$_name])) {
  69                 if (strpos($template->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
  70                     $template->block_data[$_name]['source'] =
  71                     str_replace('%%%%SMARTY_PARENT%%%%', $block_content, $template->block_data[$_name]['source']);
  72                 } elseif ($template->block_data[$_name]['mode'] == 'prepend') {
  73                     $template->block_data[$_name]['source'] .= $block_content;
  74                 } elseif ($template->block_data[$_name]['mode'] == 'append') {
  75                     $template->block_data[$_name]['source'] = $block_content . $template->block_data[$_name]['source'];
  76                 }
  77             } else {
  78                 $template->block_data[$_name]['source'] = $block_content;
  79             }
  80             if ($_match[6] == 'append') {
  81                 $template->block_data[$_name]['mode'] = 'append';
  82             } elseif ($_match[6] == 'prepend') {
  83                 $template->block_data[$_name]['mode'] = 'prepend';
  84             } else {
  85                 $template->block_data[$_name]['mode'] = 'replace';
  86             }
  87             $template->block_data[$_name]['file'] = $filepath;
  88         }
  89     }
  90
  91         static function compileChildBlock ($compiler, $_name = null)
  92         {
  93                 $_output = '';
  94         // if called by {$smarty.block.child} we must search the name of enclosing {block}
  95                 if ($_name == null) {
  96                 $stack_count = count($compiler->_tag_stack);
  97             while (--$stack_count >= 0) {
  98                 if ($compiler->_tag_stack[$stack_count][0] == 'block') {
  99                         $_name = trim($compiler->_tag_stack[$stack_count][1][0]['name'] ,"'\"");
 100                         break;
 101                 }
 102             }
 103                 // flag that child is already compile by {$smarty.block.child} inclusion
 104         $compiler->template->block_data[$_name]['compiled'] = true;
 105         }
 106                 if ($_name == null) {
 107                 $compiler->trigger_template_error('{$smarty.block.child} used out of context', $this->compiler->lex->taglineno);
 108                 }
 109                 // undefined child?
 110                 if (!isset($compiler->template->block_data[$_name])) {
 111                 return '';
 112                 }
 113                 $_tpl = new Smarty_Internal_template ('eval:' . $compiler->template->block_data[$_name]['source'], $compiler->smarty, $compiler->template, $compiler->template->cache_id,
 114                                $compiler->template->compile_id = null, $compiler->template->caching, $compiler->template->cache_lifetime);
 115                 $_tpl->properties['nocache_hash'] = $compiler->template->properties['nocache_hash'];
 116                 $_tpl->template_filepath = $compiler->template->block_data[$_name]['file'];
 117                 if ($compiler->nocache) {
 118                         $_tpl->forceNocache = 2;
 119                 } else {
 120                         $_tpl->forceNocache = 1;
 121                 }
 122                 $_tpl->suppressHeader = true;
 123                 $_tpl->suppressFileDependency = true;
 124                 if (strpos($compiler->template->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
 125                         $_output = str_replace('%%%%SMARTY_PARENT%%%%', $compiler->parser->current_buffer->to_smarty_php(), $_tpl->getCompiledTemplate());
 126                 } elseif ($compiler->template->block_data[$_name]['mode'] == 'prepend') {
 127                         $_output = $_tpl->getCompiledTemplate() . $compiler->parser->current_buffer->to_smarty_php();
 128                 } elseif ($compiler->template->block_data[$_name]['mode'] == 'append') {
 129                         $_output = $compiler->parser->current_buffer->to_smarty_php() . $_tpl->getCompiledTemplate();
 130                 } elseif (!empty($compiler->template->block_data[$_name])) {
 131                         $_output = $_tpl->getCompiledTemplate();
 132                 }
 133                 $compiler->template->properties['file_dependency'] = array_merge($compiler->template->properties['file_dependency'], $_tpl->properties['file_dependency']);
 134                 $compiler->template->properties['function'] = array_merge($compiler->template->properties['function'], $_tpl->properties['function']);
 135                 if ($_tpl->has_nocache_code) {
 136                         $compiler->template->has_nocache_code = true;
 137                 }
 138                 foreach($_tpl->required_plugins as $code => $tmp1) {
 139                         foreach($tmp1 as $name => $tmp) {
 140                                 foreach($tmp as $type => $data) {
 141                                         $compiler->template->required_plugins[$code][$name][$type] = $data;
 142                                 }
 143                         }
 144                 }
 145                 unset($_tpl);
 146                 return $_output;
 147         }
 148
 149 }
 150
 151 /**
 152  * Smarty Internal Plugin Compile BlockClose Class
 153  */
 154 class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_CompileBase {
 155     /**
 156      * Compiles code for the {/block} tag
 157      *
 158      * @param array $args array with attributes from parser
 159      * @param object $compiler compiler object
 160      * @return string compiled code
 161      */
 162     public function compile($args, $compiler)
 163     {
 164         $this->compiler = $compiler;
 165         $this->smarty = $compiler->smarty;
 166         $this->compiler->has_code = true;
 167         // check and get attributes
 168         $_attr = $this->_get_attributes($args);
 169         $saved_data = $this->_close_tag(array('block'));
 170         $_name = trim($saved_data[0]['name'], "\"'");
 171         if (isset($compiler->template->block_data[$_name]) && !isset($compiler->template->block_data[$_name]['compiled'])) {
 172                 $_output = Smarty_Internal_Compile_Block::compileChildBlock($compiler, $_name);
 173         } else {
 174             $_output = $compiler->parser->current_buffer->to_smarty_php();
 175             unset ($compiler->template->block_data[$_name]['compiled']);
 176         }
 177         // reset flags
 178         $compiler->parser->current_buffer = $saved_data[1];
 179         $compiler->nocache = $saved_data[2];
 180         $compiler->smarty->merge_compiled_includes = $saved_data[3];
 181         $compiler->smarty->inheritance = $saved_data[4];
 182         // $_output content has already nocache code processed
 183         $compiler->suppressNocacheProcessing = true;
 184         return $_output;
 185     }
 186 }
 187 ?>