Mercurial > libervia-web
view src/browser/sat_browser/nativedom.py @ 1096:01538d8a77be
merge-requests, tickets: new "edit" pages
author | Goffi <goffi@goffi.org> |
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date | Fri, 01 Jun 2018 13:04:57 +0200 |
parents | f2170536ba23 |
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#!/usr/bin/python # -*- coding: utf-8 -*- # Libervia: a Salut à Toi frontend # Copyright (C) 2011-2018 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(object): 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 work around a Pyjamas's bug return ret def __getattr__(self, name): if name in ('TEXT_NODE', 'ELEMENT_NODE', 'ATTRIBUTE_NODE', 'COMMENT_NODE', 'nodeName', 'nodeType', 'wholeText'): return getattr(self._node, name) return object.__getattribute__(self, name) @property # XXX: doesn't work in --strict mode in pyjs def childNodes(self): return self._jsNodesList2List(self._node.childNodes) def getAttribute(self, attr): return self._node.getAttribute(attr) def setAttribute(self, attr, value): return self._node.setAttribute(attr, value) def hasAttribute(self, attr): return self._node.hasAttribute(attr) def toxml(self): return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""") 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))