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annotate browser_side/nativedom.py @ 325:d07b54fdc60a

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reverted changeset: bfbd9d6eb901
author souliane <souliane@mailoo.org>
date Tue, 07 Jan 2014 15:39:16 +0100
parents 43881c3dda9d
children ea1be522ba88
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 Libervia: a Salut à Toi frontend
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6 Copyright (C) 2011, 2012, 2013 Jérôme Poisson <goffi@goffi.org>
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU Affero General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU Affero General Public License for more details.
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17
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18 You should have received a copy of the GNU Affero General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 """
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23 This class provide basic DOM parsing based on native javascript parser
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24 __init__ code comes from Tim Down at http://stackoverflow.com/a/8412989
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25 """
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26
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27 from __pyjamas__ import JS
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28
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29
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30 class Node():
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31
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32 def __init__(self, js_node):
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33 self._node = js_node
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34
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35 def _jsNodesList2List(self, js_nodes_list):
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36 ret=[]
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37 for i in range(len(js_nodes_list)):
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38 #ret.append(Element(js_nodes_list.item(i)))
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39 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug
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40 return ret
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41
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42 @property
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43 def nodeName(self):
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44 return self._node.nodeName
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45
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46 @property
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47 def childNodes(self):
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48 return self._jsNodesList2List(self._node.childNodes)
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49
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50 def getAttribute(self, attr):
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51 return self._node.getAttribute(attr)
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52
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53 def setAttribute(self, attr, value):
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54 return self._node.setAttribute(attr, value)
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55
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56 def hasAttribute(self, attr):
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57 return self._node.hasAttribute(attr)
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58
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59 def toxml(self):
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60 return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""")
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61
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62
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63 class Element(Node):
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64
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65 def __init__(self, js_node):
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66 Node.__init__(self, js_node)
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67
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68 def getElementsByTagName(self, tagName):
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69 return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
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70
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71
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72 class Document(Node):
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73
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74 def __init__(self, js_document):
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75 Node.__init__(self, js_document)
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76
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77 @property
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78 def documentElement(self):
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79 return Element(self._node.documentElement)
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80
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81
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82 class NativeDOM:
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83
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84 def __init__(self):
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85 JS("""
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86
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87 if (typeof window.DOMParser != "undefined") {
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88 this.parseXml = function(xmlStr) {
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89 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
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90 };
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91 } else if (typeof window.ActiveXObject != "undefined" &&
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92 new window.ActiveXObject("Microsoft.XMLDOM")) {
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93 this.parseXml = function(xmlStr) {
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94 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
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95 xmlDoc.async = "false";
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96 xmlDoc.loadXML(xmlStr);
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97 return xmlDoc;
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98 };
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99 } else {
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100 throw new Error("No XML parser found");
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101 }
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102 """)
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103
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104 def parseString(self, xml):
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105 return Document(self.parseXml(xml))
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106