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<?php
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/**
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* Smarty Internal Plugin Compile Block
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*
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* Compiles the {block}{/block} tags
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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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* Smarty Internal Plugin Compile Block 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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class Smarty_Internal_Compile_Block extends Smarty_Internal_CompileBase {
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $required_attributes = array('name');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $shorttag_order = array('name', 'hide');
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/**
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* Attribute definition: Overwrites base class.
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*
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* @var array
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* @see Smarty_Internal_CompileBase
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*/
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public $optional_attributes = array('hide');
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/**
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* Compiles code for the {block} tag
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @return boolean true
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*/
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public function compile($args, $compiler) {
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$save = array($_attr, $compiler->parser->current_buffer, $compiler->nocache, $compiler->smarty->merge_compiled_includes, $compiler->merged_templates, $compiler->smarty->merged_templates_func, $compiler->template->properties, $compiler->template->has_nocache_code);
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$this->openTag($compiler, 'block', $save);
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if ($_attr['nocache'] == true) {
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$compiler->nocache = true;
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}
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// set flag for {block} tag
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$compiler->inheritance = true;
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// must merge includes
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$compiler->smarty->merge_compiled_includes = true;
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$compiler->parser->current_buffer = new _smarty_template_buffer($compiler->parser);
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$compiler->has_code = false;
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return true;
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}
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/**
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* Save or replace child block source by block name during parsing
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*
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* @param string $block_content block source content
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* @param string $block_tag opening block tag
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* @param object $template template object
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* @param string $filepath filepath of template source
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*/
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public static function saveBlockData($block_content, $block_tag, $template, $filepath) {
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$_rdl = preg_quote($template->smarty->right_delimiter);
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$_ldl = preg_quote($template->smarty->left_delimiter);
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if (!$template->smarty->auto_literal) {
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$al = '\s*';
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} else {
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$al = '';
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}
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if (0 == preg_match("!({$_ldl}{$al}block\s+)(name=)?(\w+|'.*'|\".*\")(\s*?)?((append|prepend|nocache)?(\s*)?(hide)?)?(\s*{$_rdl})!", $block_tag, $_match)) {
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$error_text = 'Syntax Error in template "' . $template->source->filepath . '" "' . htmlspecialchars($block_tag) . '" illegal options';
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throw new SmartyCompilerException($error_text);
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} else {
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$_name = trim($_match[3], '\'"');
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if ($_match[8] != 'hide' || isset($template->block_data[$_name])) { // replace {$smarty.block.child}
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// do we have {$smart.block.child} in nested {block} tags?
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if (0 != preg_match_all("!({$_ldl}{$al}block\s+)(name=)?(\w+|'.*'|\".*\")([\s\S]*?)(hide)?(\s*{$_rdl})([\s\S]*?)({$_ldl}{$al}\\\$smarty\.block\.child\s*{$_rdl})([\s\S]*?{$_ldl}{$al}/block\s*{$_rdl})!", $block_content, $_match2)) {
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foreach ($_match2[3] as $key => $name) {
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// get it's replacement
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$_name2 = trim($name, '\'"');
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if ($_match2[5][$key] != 'hide' || isset($template->block_data[$_name2])) {
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if (isset($template->block_data[$_name2])) {
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$replacement = $template->block_data[$_name2]['source'];
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} else {
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$replacement = '';
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}
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// replace {$smarty.block.child} tag
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$search = array("!({$_ldl}{$al}block[\s\S]*?{$name}[\s\S]*?{$_rdl})([\s\S]*?)({$_ldl}{$al}\\\$smarty\.block\.child\s*{$_rdl})([\s\S]*?)({$_ldl}{$al}/block\s*{$_rdl})!", "/§§§child§§§/");
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$replace = array('\2§§§child§§§\4', $replacement);
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$block_content = preg_replace($search, $replace, $block_content);
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} else {
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// remove hidden blocks
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$block_content = preg_replace("!({$_ldl}{$al}block[\s\S]*?{$name}[\s\S]*?{$_rdl}[\s\S]*?{$_ldl}{$al}/block\s*{$_rdl})!", '', $block_content);
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}
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}
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}
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// do we have not nested {$smart.block.child}
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if (0 != preg_match("!({$_ldl}{$al}\\\$smarty\.block\.child\s*{$_rdl})!", $block_content, $_match2)) {
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// get child replacement for this block
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if (isset($template->block_data[$_name])) {
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$replacement = $template->block_data[$_name]['source'];
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unset($template->block_data[$_name]);
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} else {
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$replacement = '';
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}
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$block_content = preg_replace("!({$_ldl}{$al}\\\$smarty\.block\.child\s*{$_rdl})!", $replacement, $block_content);
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}
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if (isset($template->block_data[$_name])) {
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if (strpos($template->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
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$template->block_data[$_name]['source'] =
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str_replace('%%%%SMARTY_PARENT%%%%', $block_content, $template->block_data[$_name]['source']);
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} elseif ($template->block_data[$_name]['mode'] == 'prepend') {
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$template->block_data[$_name]['source'] .= $block_content;
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} elseif ($template->block_data[$_name]['mode'] == 'append') {
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$template->block_data[$_name]['source'] = $block_content . $template->block_data[$_name]['source'];
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}
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} else {
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$template->block_data[$_name]['source'] = $block_content;
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$template->block_data[$_name]['file'] = $filepath;
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}
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if ($_match[6] == 'append') {
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$template->block_data[$_name]['mode'] = 'append';
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} elseif ($_match[6] == 'prepend') {
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$template->block_data[$_name]['mode'] = 'prepend';
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} else {
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$template->block_data[$_name]['mode'] = 'replace';
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}
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}
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}
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}
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/**
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* Compile saved child block source
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*
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* @param object $compiler compiler object
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* @param string $_name optional name of child block
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* @return string compiled code of schild block
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*/
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public static function compileChildBlock($compiler, $_name = null) {
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$_output = '';
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// if called by {$smarty.block.child} we must search the name of enclosing {block}
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if ($_name == null) {
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$stack_count = count($compiler->_tag_stack);
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while (--$stack_count >= 0) {
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if ($compiler->_tag_stack[$stack_count][0] == 'block') {
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$_name = trim($compiler->_tag_stack[$stack_count][1][0]['name'], "'\"");
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break;
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}
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}
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// flag that child is already compile by {$smarty.block.child} inclusion
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$compiler->template->block_data[$_name]['compiled'] = true;
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}
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if ($_name == null) {
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$compiler->trigger_template_error('{$smarty.block.child} used out of context', $compiler->lex->taglineno);
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}
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// undefined child?
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if (!isset($compiler->template->block_data[$_name]['source'])) {
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return '';
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}
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$_tpl = new Smarty_Internal_template('string:' . $compiler->template->block_data[$_name]['source'], $compiler->smarty, $compiler->template, $compiler->template->cache_id,
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$compiler->template->compile_id = null, $compiler->template->caching, $compiler->template->cache_lifetime);
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$_tpl->variable_filters = $compiler->template->variable_filters;
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$_tpl->properties['nocache_hash'] = $compiler->template->properties['nocache_hash'];
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$_tpl->source->filepath = $compiler->template->block_data[$_name]['file'];
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$_tpl->allow_relative_path = true;
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if ($compiler->nocache) {
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$_tpl->compiler->forceNocache = 2;
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} else {
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$_tpl->compiler->forceNocache = 1;
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}
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$_tpl->compiler->suppressHeader = true;
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$_tpl->compiler->suppressTemplatePropertyHeader = true;
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$_tpl->compiler->suppressMergedTemplates = true;
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if (strpos($compiler->template->block_data[$_name]['source'], '%%%%SMARTY_PARENT%%%%') !== false) {
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$_output = str_replace('%%%%SMARTY_PARENT%%%%', $compiler->parser->current_buffer->to_smarty_php(), $_tpl->compiler->compileTemplate($_tpl));
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} elseif ($compiler->template->block_data[$_name]['mode'] == 'prepend') {
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$_output = $_tpl->compiler->compileTemplate($_tpl) . $compiler->parser->current_buffer->to_smarty_php();
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} elseif ($compiler->template->block_data[$_name]['mode'] == 'append') {
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$_output = $compiler->parser->current_buffer->to_smarty_php() . $_tpl->compiler->compileTemplate($_tpl);
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} elseif (!empty($compiler->template->block_data[$_name])) {
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$_output = $_tpl->compiler->compileTemplate($_tpl);
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}
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$compiler->template->properties['file_dependency'] = array_merge($compiler->template->properties['file_dependency'], $_tpl->properties['file_dependency']);
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$compiler->template->properties['function'] = array_merge($compiler->template->properties['function'], $_tpl->properties['function']);
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$compiler->merged_templates = array_merge($compiler->merged_templates, $_tpl->compiler->merged_templates);
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$compiler->template->variable_filters = $_tpl->variable_filters;
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if ($_tpl->has_nocache_code) {
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$compiler->template->has_nocache_code = true;
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}
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foreach ($_tpl->required_plugins as $key => $tmp1) {
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if ($compiler->nocache && $compiler->template->caching) {
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$code = 'nocache';
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} else {
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$code = $key;
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}
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foreach ($tmp1 as $name => $tmp) {
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foreach ($tmp as $type => $data) {
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$compiler->template->required_plugins[$code][$name][$type] = $data;
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}
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}
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}
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unset($_tpl);
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return $_output;
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}
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}
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/**
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* Smarty Internal Plugin Compile BlockClose 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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class Smarty_Internal_Compile_Blockclose extends Smarty_Internal_CompileBase {
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/**
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* Compiles code for the {/block} tag
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*
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* @param array $args array with attributes from parser
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* @param object $compiler compiler object
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* @return string compiled code
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*/
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public function compile($args, $compiler) {
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$compiler->has_code = true;
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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$saved_data = $this->closeTag($compiler, array('block'));
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$_name = trim($saved_data[0]['name'], "\"'");
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if (isset($compiler->template->block_data[$_name]) && !isset($compiler->template->block_data[$_name]['compiled'])) {
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// restore to status before {block} tag as new subtemplate code of parent {block} is not needed
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// TODO: Below code was disabled in 3.1.8 because of problems with {include} in nested {block} tags in child templates
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// combined with append/prepend or $smarty.block.parent
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// For later versions it should be checked under which conditions it could run for optimisation
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//
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//$compiler->merged_templates = $saved_data[4];
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//$compiler->smarty->merged_templates_func = $saved_data[5];
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//$compiler->template->properties = $saved_data[6];
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//$compiler->template->has_nocache_code = $saved_data[7];
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$_output = Smarty_Internal_Compile_Block::compileChildBlock($compiler, $_name);
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} else {
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if (isset($saved_data[0]['hide']) && !isset($compiler->template->block_data[$_name]['source'])) {
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$_output = '';
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} else {
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$_output = $compiler->parser->current_buffer->to_smarty_php();
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}
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unset($compiler->template->block_data[$_name]['compiled']);
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}
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// reset flags
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$compiler->parser->current_buffer = $saved_data[1];
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$compiler->nocache = $saved_data[2];
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$compiler->smarty->merge_compiled_includes = $saved_data[3];
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// reset flag for {block} tag
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$compiler->inheritance = false;
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// $_output content has already nocache code processed
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$compiler->suppressNocacheProcessing = true;
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return $_output;
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}
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}
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?> |