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[friendica.git] / vendor / smarty / smarty / libs / sysplugins / smarty_internal_compile_break.php

diff --git a/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_break.php b/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_break.php
new file mode 100644 (file)
index 0000000..5015738
--- /dev/null
+++ b/vendor/smarty/smarty/libs/sysplugins/smarty_internal_compile_break.php
@@ -0,0 +1,110 @@
+<?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);
+    }
+}