library/smarty/libs/sysplugins/smarty_internal_compile_section.php
changeset 0 4869aea77e21
new file mode 100644
--- /dev/null
+++ b/library/smarty/libs/sysplugins/smarty_internal_compile_section.php
@@ -0,0 +1,200 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile Section
+ * Compiles the {section} {sectionelse} {/section} tags
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile Section Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Section extends Smarty_Internal_CompileBase {
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $required_attributes = array('name', 'loop');
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $shorttag_order = array('name', 'loop');
+    /**
+     * Attribute definition: Overwrites base class.
+     *
+     * @var array
+     * @see Smarty_Internal_CompileBase
+     */
+    public $optional_attributes = array('start', 'step', 'max', 'show');
+
+    /**
+     * Compiles code for the {section} tag
+     *
+     * @param  array $args array with attributes from parser
+     * @param  object $compiler compiler object
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+
+        $this->openTag($compiler, 'section', array('section', $compiler->nocache));
+        // maybe nocache because of nocache variables
+        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;
+
+        $output = "<?php ";
+
+        $section_name = $_attr['name'];
+
+        $output .= "if (isset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name])) unset(\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]);\n";
+        $section_props = "\$_smarty_tpl->tpl_vars['smarty']->value['section'][$section_name]";
+
+        foreach ($_attr as $attr_name => $attr_value) {
+            switch ($attr_name) {
+                case 'loop':
+                    $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int) \$_loop); unset(\$_loop);\n";
+                    break;
+
+                case 'show':
+                    if (is_bool($attr_value)) {
+                        $show_attr_value = $attr_value ? 'true' : 'false';
+                    } else {
+                        $show_attr_value = "(bool) $attr_value";
+                    }
+                    $output .= "{$section_props}['show'] = $show_attr_value;\n";
+                    break;
+
+                case 'name':
+                    $output .= "{$section_props}['$attr_name'] = $attr_value;\n";
+                    break;
+
+                case 'max':
+                case 'start':
+                    $output .= "{$section_props}['$attr_name'] = (int) $attr_value;\n";
+                    break;
+
+                case 'step':
+                    $output .= "{$section_props}['$attr_name'] = ((int) $attr_value) == 0 ? 1 : (int) $attr_value;\n";
+                    break;
+            }
+        }
+
+        if (!isset($_attr['show'])) {
+            $output .= "{$section_props}['show'] = true;\n";
+        }
+
+        if (!isset($_attr['loop'])) {
+            $output .= "{$section_props}['loop'] = 1;\n";
+        }
+
+        if (!isset($_attr['max'])) {
+            $output .= "{$section_props}['max'] = {$section_props}['loop'];\n";
+        } else {
+            $output .= "if ({$section_props}['max'] < 0)\n" . "    {$section_props}['max'] = {$section_props}['loop'];\n";
+        }
+
+        if (!isset($_attr['step'])) {
+            $output .= "{$section_props}['step'] = 1;\n";
+        }
+
+        if (!isset($_attr['start'])) {
+            $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n";
+        } else {
+            $output .= "if ({$section_props}['start'] < 0)\n" . "    {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . "else\n" . "    {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n";
+        }
+
+        $output .= "if ({$section_props}['show']) {\n";
+        if (!isset($_attr['start']) && !isset($_attr['step']) && !isset($_attr['max'])) {
+            $output .= "    {$section_props}['total'] = {$section_props}['loop'];\n";
+        } else {
+            $output .= "    {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n";
+        }
+        $output .= "    if ({$section_props}['total'] == 0)\n" . "        {$section_props}['show'] = false;\n" . "} else\n" . "    {$section_props}['total'] = 0;\n";
+
+        $output .= "if ({$section_props}['show']):\n";
+        $output .= "
+            for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1;
+                 {$section_props}['iteration'] <= {$section_props}['total'];
+                 {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n";
+        $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n";
+        $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n";
+        $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n";
+        $output .= "{$section_props}['first']      = ({$section_props}['iteration'] == 1);\n";
+        $output .= "{$section_props}['last']       = ({$section_props}['iteration'] == {$section_props}['total']);\n";
+
+        $output .= "?>";
+
+        return $output;
+    }
+}
+
+/**
+ * Smarty Internal Plugin Compile Sectionelse Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Sectionelse extends Smarty_Internal_CompileBase {
+    /**
+     * Compiles code for the {sectionelse} tag
+     *
+     * @param  array $args array with attributes from parser
+     * @param  object $compiler compiler object
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+
+        list($openTag, $nocache) = $this->closeTag($compiler, array('section'));
+        $this->openTag($compiler, 'sectionelse', array('sectionelse', $nocache));
+
+        return "<?php endfor; else: ?>";
+    }
+}
+
+/**
+ * Smarty Internal Plugin Compile Sectionclose Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Sectionclose extends Smarty_Internal_CompileBase {
+    /**
+     * Compiles code for the {/section} tag
+     *
+     * @param  array $args array with attributes from parser
+     * @param  object $compiler compiler object
+     *
+     * @return string compiled code
+     */
+    public function compile($args, $compiler) {
+        // check and get attributes
+        $_attr = $this->getAttributes($compiler, $args);
+
+        // must endblock be nocache?
+        if ($compiler->nocache) {
+            $compiler->tag_nocache = true;
+        }
+
+        list($openTag, $compiler->nocache) = $this->closeTag($compiler, array('section', 'sectionelse'));
+
+        if ($openTag == 'sectionelse') {
+            return "<?php endif; ?>";
+        } else {
+            return "<?php endfor; endif; ?>";
+        }
+    }
+}