Mercurial > libervia-web

annotate src/browser/sat_browser/nativedom.py @ 978:c8cafe316f6f

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pages: removed trailing_slash option: this option is used for relative URLs, but it seems more reasonable to build absolute URL from the server, so templates are not dependants of the way the pages hierarchy is done.
author Goffi <goffi@goffi.org>
date Sun, 12 Nov 2017 12:51:56 +0100
parents fd4eae654182
children f2170536ba23
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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) 2011-2017 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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28 class Node(object):
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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 work around a Pyjamas's bug
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38 return ret
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40 def __getattr__(self, name):
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41 if name in ('TEXT_NODE', 'ELEMENT_NODE', 'ATTRIBUTE_NODE', 'COMMENT_NODE', 'nodeName', 'nodeType', 'wholeText'):
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42 return getattr(self._node, name)
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43 return object.__getattribute__(self, name)
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45 @property # XXX: doesn't work in --strict mode in pyjs
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46 def childNodes(self):
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47 return self._jsNodesList2List(self._node.childNodes)
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48
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49 def getAttribute(self, attr):
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50 return self._node.getAttribute(attr)
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52 def setAttribute(self, attr, value):
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53 return self._node.setAttribute(attr, value)
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54
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55 def hasAttribute(self, attr):
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56 return self._node.hasAttribute(attr)
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58 def toxml(self):
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59 return JS("""this._node.outerHTML || new XMLSerializer().serializeToString(this._node);""")
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62 class Element(Node):
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63
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64 def __init__(self, js_node):
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65 Node.__init__(self, js_node)
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66
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67 def getElementsByTagName(self, tagName):
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68 return self._jsNodesList2List(self._node.getElementsByTagName(tagName))
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71 class Document(Node):
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73 def __init__(self, js_document):
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74 Node.__init__(self, js_document)
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75
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76 @property
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77 def documentElement(self):
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78 return Element(self._node.documentElement)
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81 class NativeDOM:
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82
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83 def __init__(self):
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84 JS("""
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85
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86 if (typeof window.DOMParser != "undefined") {
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87 this.parseXml = function(xmlStr) {
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88 return ( new window.DOMParser() ).parseFromString(xmlStr, "text/xml");
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89 };
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90 } else if (typeof window.ActiveXObject != "undefined" &&
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91 new window.ActiveXObject("Microsoft.XMLDOM")) {
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92 this.parseXml = function(xmlStr) {
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93 var xmlDoc = new window.ActiveXObject("Microsoft.XMLDOM");
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94 xmlDoc.async = "false";
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95 xmlDoc.loadXML(xmlStr);
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96 return xmlDoc;
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97 };
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98 } else {
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99 throw new Error("No XML parser found");
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100 }
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101 """)
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102
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103 def parseString(self, xml):
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104 return Document(self.parseXml(xml))