1 files changed, 95 insertions, 0 deletions
diff --git a/lib/phptal/PHPTAL/Dom/XmlnsState.php b/lib/phptal/PHPTAL/Dom/XmlnsState.php
new file mode 100644
index 0000000..4e9288f
--- /dev/null
+++ b/lib/phptal/PHPTAL/Dom/XmlnsState.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * PHPTAL templating engine
+ *
+ * PHP Version 5
+ *
+ * @category HTML
+ * @package  PHPTAL
+ * @author   Laurent Bedubourg <lbedubourg@motion-twin.com>
+ * @author   Kornel Lesiński <kornel@aardvarkmedia.co.uk>
+ * @license  http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
+ * @version  SVN: $Id$
+ * @link     http://phptal.org/
+ */
+/**
+ * Stores XMLNS aliases fluctuation in the xml flow.
+ *
+ * This class is used to bind a PHPTAL namespace to an alias, for example using
+ * xmlns:t="http://xml.zope.org/namespaces/tal" and later use t:repeat instead
+ * of tal:repeat.
+ *
+ * @package PHPTAL
+ * @subpackage Dom
+ * @author Laurent Bedubourg <lbedubourg@motion-twin.com>
+ */
+class PHPTAL_Dom_XmlnsState
+{
+    /** Create a new XMLNS state inheriting provided aliases. */
+    public function __construct(array $prefix_to_uri, $current_default)
+    {
+        $this->prefix_to_uri = $prefix_to_uri;
+        $this->current_default = $current_default;
+    }
+
+    public function prefixToNamespaceURI($prefix)
+    {
+        if ($prefix === 'xmlns') return 'http://www.w3.org/2000/xmlns/';
+        if ($prefix === 'xml') return 'http://www.w3.org/XML/1998/namespace';
+
+        // domdefs provides fallback for all known phptal ns
+        if (isset($this->prefix_to_uri[$prefix])) {
+            return $this->prefix_to_uri[$prefix];
+        } else {
+            return PHPTAL_Dom_Defs::getInstance()->prefixToNamespaceURI($prefix);
+        }
+    }
+
+    /** Returns true if $attName is a valid attribute name, false otherwise. */
+    public function isValidAttributeNS($namespace_uri, $local_name)
+    {
+        return PHPTAL_Dom_Defs::getInstance()->isValidAttributeNS($namespace_uri, $local_name);
+    }
+
+    public function isHandledNamespace($namespace_uri)
+    {
+        return PHPTAL_Dom_Defs::getInstance()->isHandledNamespace($namespace_uri);
+    }
+
+    /**
+     * Returns a new XmlnsState inheriting of $this if $nodeAttributes contains
+     * xmlns attributes, returns $this otherwise.
+     *
+     * This method is used by the PHPTAL parser to keep track of xmlns fluctuation for
+     * each encountered node.
+     */
+    public function newElement(array $nodeAttributes)
+    {
+        $prefix_to_uri = $this->prefix_to_uri;
+        $current_default = $this->current_default;
+
+        $changed = false;
+        foreach ($nodeAttributes as $qname => $value) {
+            if (preg_match('/^xmlns:(.+)$/', $qname, $m)) {
+                $changed = true;
+                list(, $prefix) = $m;
+                $prefix_to_uri[$prefix] = $value;
+            }
+
+            if ($qname == 'xmlns') {$changed=true;$current_default = $value;}
+        }
+
+        if ($changed) {
+            return new PHPTAL_Dom_XmlnsState($prefix_to_uri, $current_default);
+        } else {
+            return $this;
+        }
+    }
+
+    function getCurrentDefaultNamespaceURI()
+    {
+        return $this->current_default;
+    }
+
+    private $prefix_to_uri, $current_default;
+}