# HG changeset patch
# User Goffi <goffi@goffi.org>
# Date 1355092015 -3600
# Node ID f6aeeb753c06821c45b05e3d65d3649bc0043a0e
# Parent  a5e9aa1f9c0c3177410007d148daeb6078f12ab8
browser side: ultra-minimalist native DOM implementation

diff -r a5e9aa1f9c0c -r f6aeeb753c06 browser_side/nativedom.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser_side/nativedom.py	Sun Dec 09 23:26:55 2012 +0100
@@ -0,0 +1,98 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+"""
+Libervia: a Salut à Toi frontend
+Copyright (C) 2011, 2012  Jérôme Poisson <goffi@goffi.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+
+"""
+This class provide basic DOM parsing based on native javascript parser
+__init__ code comes from Tim Down at http://stackoverflow.com/a/8412989
+"""
+
+from __pyjamas__ import JS
+
+
+class Node():
+   
+    def __init__(self, js_node):
+        self._node = js_node
+
+    def _jsNodesList2List(self, js_nodes_list):
+        ret=[]
+        for i in range(len(js_nodes_list)):
+            #ret.append(Element(js_nodes_list.item(i)))
+            ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug
+        return ret
+
+    @property
+    def nodeName(self):
+        return self._node.nodeName
+
+    @property
+    def childNodes(self):
+        return self._jsNodesList2List(self._node.childNodes)
+
+    def getAttribute(self, attr):
+        return self._node.getAttribute(attr)
+
+    def hasAttribute(self, attr):
+        return self._node.hasAttribute(attr)
+
+
+class Element(Node):
+
+    def __init__(self, js_node):
+        Node.__init__(self, js_node)
+
+    def getElementsByTagName(self, tagName):
+        return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
+   
+class Document(Node):
+    
+    def __init__(self, js_document):
+        Node.__init__(self, js_document)
+
+    @property
+    def documentElement(self):
+        return Element(self._node.documentElement)
+
+class NativeDOM:
+    
+    def __init__(self):
+        JS("""
+
+        if (typeof window.DOMParser != "undefined") {
+            this.parseXml = function(xmlStr) {
+                return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
+            };
+        } else if (typeof window.ActiveXObject != "undefined" &&
+               new window.ActiveXObject("Microsoft.XMLDOM")) {
+            this.parseXml = function(xmlStr) {
+                var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
+                xmlDoc.async = "false";
+                xmlDoc.loadXML(xmlStr);
+                return xmlDoc;
+            };
+        } else {
+            throw new Error("No XML parser found");
+        }
+        """)
+
+    def parseString(self, xml):
+        return Document(self.parseXml(xml))
+