+<?php
+/**
+ * Smarty Internal Plugin Compile Break
+ * Compiles the {break} tag
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ * @author Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Break Class
+ *
+ * @package Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Break extends Smarty_Internal_CompileBase
+{
+ /**
+ * Attribute definition: Overwrites base class.
+ *
+ * @var array
+ * @see Smarty_Internal_CompileBase
+ */
+ public $optional_attributes = array('levels');
+
+ /**
+ * Attribute definition: Overwrites base class.
+ *
+ * @var array
+ * @see Smarty_Internal_CompileBase
+ */
+ public $shorttag_order = array('levels');
+
+ /**
+ * Compiles code for the {break} tag
+ *
+ * @param array $args array with attributes from parser
+ * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
+ * @param array $parameter array with compilation parameter
+ *
+ * @return string compiled code
+ */
+ public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
+ {
+ list($levels, $foreachLevels) = $this->checkLevels($args, $compiler);
+ $output = "<?php\n";
+ if ($foreachLevels) {
+ /* @var Smarty_Internal_Compile_Foreach $foreachCompiler */
+ $foreachCompiler = $compiler->getTagCompiler('foreach');
+ $output .= $foreachCompiler->compileRestore($foreachLevels);
+ }
+ $output .= "break {$levels};?>";
+ return $output;
+ }
+
+ /**
+ * check attributes and return array of break and foreach levels
+ *
+ * @param array $args array with attributes from parser
+ * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object
+ * @param string $tag tag name
+ *
+ * @return array
+ * @throws \SmartyCompilerException
+ */
+ public function checkLevels($args, Smarty_Internal_TemplateCompilerBase $compiler, $tag = 'break')
+ {
+ static $_is_loopy = array('for' => true, 'foreach' => true, 'while' => true, 'section' => true);
+ // check and get attributes
+ $_attr = $this->getAttributes($compiler, $args);
+
+ if ($_attr[ 'nocache' ] === true) {
+ $compiler->trigger_template_error('nocache option not allowed', null, true);
+ }
+
+ if (isset($_attr[ 'levels' ])) {
+ if (!is_numeric($_attr[ 'levels' ])) {
+ $compiler->trigger_template_error('level attribute must be a numeric constant', null, true);
+ }
+ $levels = $_attr[ 'levels' ];
+ } else {
+ $levels = 1;
+ }
+ $level_count = $levels;
+ $stack_count = count($compiler->_tag_stack) - 1;
+ $foreachLevels = 0;
+ $lastTag = '';
+ while ($level_count >= 0 && $stack_count >= 0) {
+ if (isset($_is_loopy[ $compiler->_tag_stack[ $stack_count ][ 0 ] ])) {
+ $lastTag = $compiler->_tag_stack[ $stack_count ][ 0 ];
+ if ($level_count === 0) {
+ break;
+ }
+ $level_count --;
+ if ($compiler->_tag_stack[ $stack_count ][ 0 ] === 'foreach') {
+ $foreachLevels ++;
+ }
+ }
+ $stack_count --;
+ }
+ if ($level_count != 0) {
+ $compiler->trigger_template_error("cannot {$tag} {$levels} level(s)", null, true);
+ }
+ if ($lastTag === 'foreach' && $tag === 'break') {
+ $foreachLevels --;
+ }
+ return array($levels, $foreachLevels);
+ }
+}