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rexy |
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<?php
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/**
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* Smarty Internal Plugin Compile Break
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* Compiles the {break} tag
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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 Break 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_Break extends Smarty_Internal_CompileBase
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{
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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('levels');
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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('levels');
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/**
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* Tag name may be overloaded by Smarty_Internal_Compile_Continue
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*
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* @var string
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*/
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public $tag = 'break';
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/**
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* Compiles code for the {break} tag
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return string compiled code
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* @throws \SmartyCompilerException
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*/
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public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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list($levels, $foreachLevels) = $this->checkLevels($args, $compiler);
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$output = "<?php ";
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if ($foreachLevels > 0 && $this->tag === 'continue') {
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$foreachLevels--;
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}
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if ($foreachLevels > 0) {
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/* @var Smarty_Internal_Compile_Foreach $foreachCompiler */
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$foreachCompiler = $compiler->getTagCompiler('foreach');
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$output .= $foreachCompiler->compileRestore($foreachLevels);
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}
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$output .= "{$this->tag} {$levels};?>";
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return $output;
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}
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/**
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* check attributes and return array of break and foreach levels
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*
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* @param array $args array with attributes from parser
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* @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
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*
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* @return array
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* @throws \SmartyCompilerException
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*/
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public function checkLevels($args, Smarty_Internal_TemplateCompilerBase $compiler)
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{
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static $_is_loopy = array('for' => true, 'foreach' => true, 'while' => true, 'section' => true);
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// check and get attributes
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$_attr = $this->getAttributes($compiler, $args);
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if ($_attr[ 'nocache' ] === true) {
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$compiler->trigger_template_error('nocache option not allowed', null, true);
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}
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if (isset($_attr[ 'levels' ])) {
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if (!is_numeric($_attr[ 'levels' ])) {
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$compiler->trigger_template_error('level attribute must be a numeric constant', null, true);
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}
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$levels = $_attr[ 'levels' ];
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} else {
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$levels = 1;
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}
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$level_count = $levels;
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$stack_count = count($compiler->_tag_stack) - 1;
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$foreachLevels = 0;
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$lastTag = '';
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while ($level_count > 0 && $stack_count >= 0) {
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if (isset($_is_loopy[ $compiler->_tag_stack[ $stack_count ][ 0 ] ])) {
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$lastTag = $compiler->_tag_stack[ $stack_count ][ 0 ];
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if ($level_count === 0) {
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break;
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}
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$level_count--;
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if ($compiler->_tag_stack[ $stack_count ][ 0 ] === 'foreach') {
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$foreachLevels++;
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}
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}
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$stack_count--;
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}
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if ($level_count !== 0) {
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$compiler->trigger_template_error("cannot {$this->tag} {$levels} level(s)", null, true);
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}
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if ($lastTag === 'foreach' && $this->tag === 'break' && $foreachLevels > 0) {
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$foreachLevels--;
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}
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return array($levels, $foreachLevels);
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}
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}
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