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annotate browser_side/nativedom.py @ 411:a0256b81d367

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setup.py: update website (it's not http://www.salut-a-toi.org), and removed pyjamas framework which is not standard in pypi
author Goffi <goffi@goffi.org>
date Tue, 18 Mar 2014 19:18:16 +0100
parents ce5b33f499c5
children
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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 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """
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21 This class provide basic DOM parsing based on native javascript parser
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22 __init__ code comes from Tim Down at http://stackoverflow.com/a/8412989
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23 """
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24
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25 from __pyjamas__ import JS
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26
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27
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28 class Node():
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29
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30 def __init__(self, js_node):
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31 self._node = js_node
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32
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33 def _jsNodesList2List(self, js_nodes_list):
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34 ret=[]
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35 for i in range(len(js_nodes_list)):
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36 #ret.append(Element(js_nodes_list.item(i)))
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37 ret.append(self.__class__(js_nodes_list.item(i))) # XXX: Ugly, but used to word around a Pyjamas's bug
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38 return ret
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39
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40 @property
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41 def nodeName(self):
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42 return self._node.nodeName
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43
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44 @property
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45 def wholeText(self):
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46 return self._node.wholeText
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47
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48 @property
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49 def childNodes(self):
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50 return self._jsNodesList2List(self._node.childNodes)
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51
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52 def getAttribute(self, attr):
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53 return self._node.getAttribute(attr)
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55 def setAttribute(self, attr, value):
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56 return self._node.setAttribute(attr, value)
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58 def hasAttribute(self, attr):
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59 return self._node.hasAttribute(attr)
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61 def toxml(self):
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62 return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""")
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65 class Element(Node):
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66
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67 def __init__(self, js_node):
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68 Node.__init__(self, js_node)
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69
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70 def getElementsByTagName(self, tagName):
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71 return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
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74 class Document(Node):
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76 def __init__(self, js_document):
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77 Node.__init__(self, js_document)
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78
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79 @property
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80 def documentElement(self):
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81 return Element(self._node.documentElement)
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84 class NativeDOM:
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85
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86 def __init__(self):
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87 JS("""
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88
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89 if (typeof window.DOMParser != "undefined") {
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90 this.parseXml = function(xmlStr) {
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91 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
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92 };
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93 } else if (typeof window.ActiveXObject != "undefined" &&
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94 new window.ActiveXObject("Microsoft.XMLDOM")) {
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95 this.parseXml = function(xmlStr) {
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96 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
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97 xmlDoc.async = "false";
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98 xmlDoc.loadXML(xmlStr);
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99 return xmlDoc;
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100 };
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101 } else {
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102 throw new Error("No XML parser found");
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103 }
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104 """)
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105
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106 def parseString(self, xml):
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107 return Document(self.parseXml(xml))
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108