<?php
/*
* This file is part of Smarty.
*
* (c) 2015 Uwe Tews
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* Smarty Internal Plugin Compile Block Class
*
* @author Uwe Tews <uwe.tews@googlemail.com>
*/
class Smarty_Internal_Compile_Block extends Smarty_Internal_Compile_Shared_Inheritance
{
/**
* 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 $option_flags = array('hide', 'nocache');
/**
* Attribute definition: Overwrites base class.
*
* @var array
* @see Smarty_Internal_CompileBase
*/
public $optional_attributes = array('assign');
/**
* nesting level of block tags
*
* @var int
*/
public static $blockTagNestingLevel = 0;
/**
* Saved compiler object
*
* @var Smarty_Internal_TemplateCompilerBase
*/
public $compiler = null;
/**
* Compiles code for the {block} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return bool true
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
if (!isset($compiler->_cache['blockNesting'])) {
$compiler->_cache['blockNesting'] = 0;
}
if ($compiler->_cache['blockNesting'] == 0) {
// make sure that inheritance gets initialized in template code
$this->registerInit($compiler);
$this->option_flags = array('hide', 'nocache', 'append', 'prepend');
} else {
$this->option_flags = array('hide', 'nocache');
}
// check and get attributes
$_attr = $this->getAttributes($compiler, $args);
$compiler->_cache['blockNesting'] ++;
$compiler->_cache['blockName'][$compiler->_cache['blockNesting']] = $_attr['name'];
$compiler->_cache['blockParams'][$compiler->_cache['blockNesting']][0] = 'block_' . preg_replace('![^\w]+!', '_', uniqid(rand(), true));
$compiler->_cache['blockParams'][$compiler->_cache['blockNesting']][1] = false;
$this->openTag($compiler, 'block', array($_attr, $compiler->nocache, $compiler->parser->current_buffer,
$compiler->template->compiled->has_nocache_code,
$compiler->template->caching));
// must whole block be nocache ?
if ($compiler->tag_nocache) {
$i = 0;
}
$compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
// $compiler->suppressNocacheProcessing = true;
if ($_attr['nocache'] === true) {
//$compiler->trigger_template_error('nocache option not allowed', $compiler->parser->lex->taglineno);
}
$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
$compiler->template->compiled->has_nocache_code = false;
$compiler->suppressNocacheProcessing = true;
}
/**
* Compile saved child block source
*
* @param \Smarty_Internal_TemplateCompilerBase compiler object
* @param string $_name optional name of child block
*
* @return string compiled code of child block
*/
static function compileChildBlock(Smarty_Internal_TemplateCompilerBase $compiler, $_name = null)
{
if (!isset($compiler->_cache['blockNesting'])) {
$compiler->trigger_template_error(' tag {$smarty.block.child} used outside {block} tags ',
$compiler->parser->lex->taglineno);
}
$compiler->has_code = true;
$compiler->suppressNocacheProcessing = true;
$compiler->_cache['blockParams'][$compiler->_cache['blockNesting']][1] = true;
$output = "<?php \n\$_smarty_tpl->ext->_inheritance->processBlock(\$_smarty_tpl, 2, {$compiler->_cache['blockName'][$compiler->_cache['blockNesting']]}, null, \$_blockParentStack);\n?>\n";
return $output;
}
/**
* Compile $smarty.block.parent
*
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param string $_name optional name of child block
*
* @return string compiled code of child block
*/
static function compileParentBlock(Smarty_Internal_TemplateCompilerBase $compiler, $_name = null)
{
if (!isset($compiler->_cache['blockNesting'])) {
$compiler->trigger_template_error(' tag {$smarty.block.parent} used outside {block} tags ',
$compiler->parser->lex->taglineno);
}
$compiler->suppressNocacheProcessing = true;
$compiler->has_code = true;
$output = "<?php \n\$_smarty_tpl->ext->_inheritance->processBlock(\$_smarty_tpl, 3, {$compiler->_cache['blockName'][$compiler->_cache['blockNesting']]}, null, \$_blockParentStack);\n?>\n";
return $output;
}
}
/**
* Smarty Internal Plugin Compile BlockClose Class
*
*/
class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_Compile_Shared_Inheritance
{
/**
* Compiles code for the {/block} tag
*
* @param array $args array with attributes from parser
* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
* @param array $parameter array with compilation parameter
*
* @return bool true
*/
public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
{
list($_attr, $_nocache, $_buffer, $_has_nocache_code, $_caching) = $this->closeTag($compiler, array('block'));
// init block parameter
$_block = $compiler->_cache['blockParams'][$compiler->_cache['blockNesting']];
unset($compiler->_cache['blockParams'][$compiler->_cache['blockNesting']]);
$_block[2] = $_block[3] = 0;
$_name = trim($_attr['name'], "'\"");
$_assign = isset($_attr['assign']) ? $_attr['assign'] : null;
unset($_attr['assign'], $_attr['name']);
foreach ($_attr as $name => $stat) {
if ((is_bool($stat) && $stat !== false) || (!is_bool($stat) && $stat != 'false')) {
$_block[$name] = is_string($stat) ? trim($stat, "'\"") : $stat;
}
}
$_funcName = $_block[0];
// get compiled block code
$_functionCode = $compiler->parser->current_buffer;
// setup buffer for template function code
$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
if ($compiler->template->compiled->has_nocache_code) {
// $compiler->parent_compiler->template->tpl_function[$_name]['call_name_caching'] = $_funcNameCaching;
$_block[6] = $_funcNameCaching = $_funcName . '_nocache';
$output = "<?php\n";
$output .= "/* {block '{$_name}'} {$compiler->template->source->type}:{$compiler->template->source->name} */\n";
$output .= "function {$_funcNameCaching} (\$_smarty_tpl, \$_blockParentStack) {\n";
$output .= "/*/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\n";
$output .= "\$_smarty_tpl->cached->hashes['{$compiler->template->compiled->nocache_hash}'] = true;\n";
if (isset($_assign)) {
$output .= "ob_start();\n";
}
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
$output = "<?php\n";
if (isset($_assign)) {
$output .= "\$_smarty_tpl->tpl_vars[{$_assign}] = new Smarty_Variable(ob_get_clean());\n";
}
$output .= "/*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%*/\n";
$output .= "}\n";
$output .= "/* {/block '{$_name}'} */\n\n";
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->blockOrFunctionCode .= $f = $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
$compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template();
$this->compiler = $compiler;
$_functionCode = new Smarty_Internal_ParseTree_Tag($compiler->parser,
preg_replace_callback("/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
array($this, 'removeNocache'),
$_functionCode->to_smarty_php($compiler->parser)));
$this->compiler = null;
}
$output = "<?php\n";
$output .= "/* {block '{$_name}'} {$compiler->template->source->type}:{$compiler->template->source->name} */\n";
$output .= "function {$_funcName}(\$_smarty_tpl, \$_blockParentStack) {\n";
if (isset($_assign)) {
$output .= "ob_start();\n";
}
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->parser->current_buffer->append_subtree($compiler->parser, $_functionCode);
$output = "<?php\n";
if (isset($_assign)) {
$output .= "\$_smarty_tpl->tpl_vars[{$_assign}] = new Smarty_Variable(ob_get_clean());\n";
}
$output .= "}\n";
$output .= "/* {/block '{$_name}'} */\n\n";
$output .= "?>\n";
$compiler->parser->current_buffer->append_subtree($compiler->parser,
new Smarty_Internal_ParseTree_Tag($compiler->parser,
$output));
$compiler->blockOrFunctionCode .= $compiler->parser->current_buffer->to_smarty_php($compiler->parser);
// nocache plugins must be copied
if (!empty($compiler->template->compiled->required_plugins['nocache'])) {
foreach ($compiler->template->compiled->required_plugins['nocache'] as $plugin => $tmp) {
foreach ($tmp as $type => $data) {
$compiler->parent_compiler->template->compiled->required_plugins['compiled'][$plugin][$type] =
$data;
}
}
}
// restore old status
$compiler->template->compiled->has_nocache_code = $_has_nocache_code;
$compiler->tag_nocache = $compiler->nocache;
$compiler->nocache = $_nocache;
$compiler->parser->current_buffer = $_buffer;
$output = "<?php \n";
if ($compiler->_cache['blockNesting'] == 1) {
$output .= "\$_smarty_tpl->ext->_inheritance->processBlock(\$_smarty_tpl, 0, {$compiler->_cache['blockName'][$compiler->_cache['blockNesting']]}, " .
var_export($_block, true) . ");\n";
} else {
$output .= "\$_smarty_tpl->ext->_inheritance->processBlock(\$_smarty_tpl, 0, {$compiler->_cache['blockName'][$compiler->_cache['blockNesting']]}, " .
var_export($_block, true) . ", \$_blockParentStack);\n";
}
$output .= "?>\n";
$compiler->_cache['blockNesting'] --;
if ($compiler->_cache['blockNesting'] == 0) {
unset($compiler->_cache['blockNesting']);
}
$compiler->has_code = true;
$compiler->suppressNocacheProcessing = true;
return $output;
}
/**
* @param $match
*
* @return mixed
*/
function removeNocache($match)
{
$code =
preg_replace("/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->compiled->nocache_hash}%%\*\/';(\?>\n)?)/",
'', $match[0]);
$code = str_replace(array('\\\'', '\\\\\''), array('\'', '\\\''), $code);
return $code;
}
}
