bug #385 update to smarty-3.1.28-dev (from Github)

1 files changed, 224 insertions, 0 deletions

diff --git a/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php b/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php
new file mode 100644
index 000000000..25b35e861
--- /dev/null
+++ b/include/smarty/libs/sysplugins/smarty_internal_compile_private_foreachsection.php
@@ -0,0 +1,224 @@
+<?php
+/**
+ * Smarty Internal Plugin Compile ForeachSection
+ * Shared methods for {foreach} {section} tags
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ * @author     Uwe Tews
+ */
+
+/**
+ * Smarty Internal Plugin Compile ForeachSection Class
+ *
+ * @package    Smarty
+ * @subpackage Compiler
+ */
+class Smarty_Internal_Compile_Private_ForeachSection extends Smarty_Internal_CompileBase
+{
+
+    /**
+     * Preg search pattern
+     *
+     * @var string
+     */
+    private $propertyPreg = '';
+
+    /**
+     * Offsets in preg match result
+     *
+     * @var array
+     */
+    private $resultOffsets = array();
+
+    /**
+     * Start offset
+     *
+     * @var int
+     */
+    private $startOffset = 0;
+
+    /**
+     * Name of this tag
+     *
+     * @var string
+     */
+    public $tagName = '';
+
+    /**
+     * Valid properties of $smarty.xxx variable
+     *
+     * @var array
+     */
+    public static $nameProperties = array();
+
+    /**
+     * {section} tag has no item properties
+     *
+     * @var array
+     */
+    public $itemProperties = null;
+
+    /**
+     * {section} tag has always name attribute
+     *
+     * @var bool
+     */
+    public $isNamed = true;
+
+    /**
+     * @var array
+     */
+    public $matchResults = array();
+
+    /**
+     * Scan sources for used tag attributes
+     *
+     * @param  array                                $attributes
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     */
+    public function scanForProperties($attributes, Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+        $this->propertyPreg = '~(';
+        $this->startOffset = 0;
+        $this->resultOffsets = array();
+        $this->matchResults = array('named' => array(), 'item' => array());
+        if ($this->isNamed) {
+            $this->buildPropertyPreg(true, $attributes);
+        }
+        if (isset($this->itemProperties)) {
+            if ($this->isNamed) {
+                $this->propertyPreg .= '|';
+            }
+            $this->buildPropertyPreg(false, $attributes);
+        }
+        $this->propertyPreg .= ')\W~i';
+        // Template source
+        $this->matchTemplateSource($compiler);
+        // Parent template source
+        $this->matchParentTemplateSource($compiler);
+        // {block} source
+        $this->matchBlockSource($compiler);
+    }
+
+    /**
+     * Build property preg string
+     *
+     * @param bool  $named
+     * @param array $attributes
+     */
+    public function buildPropertyPreg($named, $attributes)
+    {
+        if ($named) {
+            $this->resultOffsets['named'] = $this->startOffset + 3;
+            $this->propertyPreg .= "([\$]smarty[.]{$this->tagName}[.]{$attributes['name']}[.](";
+            $className = get_class($this);
+            $properties = $className::$nameProperties;
+        } else {
+            $this->resultOffsets['item'] = $this->startOffset + 3;
+            $this->propertyPreg .= "([\$]{$attributes['item']}[@](";
+            $properties = $this->itemProperties;
+        }
+        $this->startOffset += count($properties) + 2;
+        $propName = reset($properties);
+        while ($propName) {
+            $this->propertyPreg .= "({$propName})";
+            $propName = next($properties);
+            if ($propName) {
+                $this->propertyPreg .= '|';
+            }
+        }
+        $this->propertyPreg .= '))';
+    }
+
+    /**
+     * Find matches in source string
+     *
+     * @param string $source
+     */
+    public function matchProperty($source)
+    {
+        preg_match_all($this->propertyPreg, $source, $match, PREG_SET_ORDER);
+        foreach ($this->resultOffsets as $key => $offset) {
+            foreach ($match as $m) {
+                if (isset($m[$offset]) && !empty($m[$offset])) {
+                    $this->matchResults[$key][strtolower($m[$offset])] = true;
+                }
+            }
+        }
+    }
+
+    /**
+     * Find matches in template source
+     *
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     */
+    public function matchTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+        $this->matchProperty($compiler->parser->lex->data);
+    }
+
+    /**
+     * Find matches in all parent template source
+     *
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     */
+    public function matchParentTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+        // search parent compiler template source
+        $nextCompiler = $compiler;
+        while ($nextCompiler !== $nextCompiler->parent_compiler) {
+            $nextCompiler = $nextCompiler->parent_compiler;
+            if ($compiler !== $nextCompiler) {
+                // get template source
+                $_content = $nextCompiler->template->source->getContent();
+                if ($_content != '') {
+                    // run pre filter if required
+                    if ((isset($nextCompiler->smarty->autoload_filters['pre']) ||
+                            isset($nextCompiler->smarty->registered_filters['pre']))) {
+                        $_content = $nextCompiler->smarty->ext->_filter_Handler->runFilter('pre', $_content, $nextCompiler->template);
+                    }
+                    $this->matchProperty($_content);
+                }
+            }
+        }
+    }
+
+    /**
+     * Find matches in {block} tag source
+     *
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler
+     */
+    public function matchBlockSource(Smarty_Internal_TemplateCompilerBase $compiler)
+    {
+
+    }
+
+    /**
+     * Compiles code for the {$smarty.foreach.xxx} or {$smarty.section.xxx}tag
+     *
+     * @param  array                                $args      array with attributes from parser
+     * @param \Smarty_Internal_TemplateCompilerBase $compiler  compiler object
+     * @param  array                                $parameter array with compilation parameter
+     *
+     * @return string compiled code
+     * @throws \SmartyCompilerException
+     */
+    public static function compileSpecialVariable($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter)
+    {
+        // make all lower case
+        $parameter = array_map('strtolower', $parameter);
+        $tag = trim($parameter[0], '"\'');
+        if (!isset($parameter[1]) || false === $name = $compiler->getId($parameter[1])) {
+            $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} name attribute", null, true);
+        }
+        $className = 'Smarty_Internal_Compile_' . ucfirst($tag);
+        if ((!isset($parameter[2]) || false === $property = $compiler->getId($parameter[2])) ||
+            !in_array($property, $className::$nameProperties)
+        ) {
+            $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} property attribute", null, true);
+        }
+        $tagVar = "'__smarty_{$tag}_{$name}'";
+        return "(isset(\$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}']) ? \$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}'] : null)";
+    }
+}
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