Python dom.childNodes方法代码示例

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testInsertBeforeFragment(self):
        dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
        dom.documentElement.insertBefore(frag, None)
        self.confirm(tuple(dom.documentElement.childNodes) ==
                     (orig, c1, c2, c3),
                     "insertBefore(<fragment>, None)")
        frag.unlink()
        dom.unlink()

        dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
        dom.documentElement.insertBefore(frag, orig)
        self.confirm(tuple(dom.documentElement.childNodes) ==
                     (c1, c2, c3, orig),
                     "insertBefore(<fragment>, orig)")
        frag.unlink()
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testCloneDocumentDeep(self):
        doc = parseString("<?xml version='1.0'?>\n"
                    "<!-- comment -->"
                    "<!DOCTYPE doc [\n"
                    "<!NOTATION notation SYSTEM 'http://xml.python.org/'>\n"
                    "]>\n"
                    "<doc attr='value'/>")
        doc2 = doc.cloneNode(1)
        self.confirm(not (doc.isSameNode(doc2) or doc2.isSameNode(doc)),
                "testCloneDocumentDeep: document objects not distinct")
        self.confirm(len(doc.childNodes) == len(doc2.childNodes),
                "testCloneDocumentDeep: wrong number of Document children")
        self.confirm(doc2.documentElement.nodeType == Node.ELEMENT_NODE,
                "testCloneDocumentDeep: documentElement not an ELEMENT_NODE")
        self.confirm(doc2.documentElement.ownerDocument.isSameNode(doc2),
            "testCloneDocumentDeep: documentElement owner is not new document")
        self.confirm(not doc.documentElement.isSameNode(doc2.documentElement),
                "testCloneDocumentDeep: documentElement should not be shared")
        if doc.doctype is not None:
            # check the doctype iff the original DOM maintained it
            self.confirm(doc2.doctype.nodeType == Node.DOCUMENT_TYPE_NODE,
                    "testCloneDocumentDeep: doctype not a DOCUMENT_TYPE_NODE")
            self.confirm(doc2.doctype.ownerDocument.isSameNode(doc2))
            self.confirm(not doc.doctype.isSameNode(doc2.doctype)) 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testNormalize(self):
        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode("first"))
        root.appendChild(doc.createTextNode("second"))
        self.confirm(len(root.childNodes) == 2
                and root.childNodes.length == 2,
                "testNormalize -- preparation")
        doc.normalize()
        self.confirm(len(root.childNodes) == 1
                and root.childNodes.length == 1
                and root.firstChild is root.lastChild
                and root.firstChild.data == "firstsecond"
                , "testNormalize -- result")
        doc.unlink()

        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode(""))
        doc.normalize()
        self.confirm(len(root.childNodes) == 0
                and root.childNodes.length == 0,
                "testNormalize -- single empty node removed")
        doc.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testNormalizeCombineAndNextSibling(self):
        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode("first"))
        root.appendChild(doc.createTextNode("second"))
        root.appendChild(doc.createElement("i"))
        self.confirm(len(root.childNodes) == 3
                and root.childNodes.length == 3,
                "testNormalizeCombineAndNextSibling -- preparation")
        doc.normalize()
        self.confirm(len(root.childNodes) == 2
                and root.childNodes.length == 2
                and root.firstChild.data == "firstsecond"
                and root.firstChild is not root.lastChild
                and root.firstChild.nextSibling is root.lastChild
                and root.firstChild.previousSibling is None
                and root.lastChild.previousSibling is root.firstChild
                and root.lastChild.nextSibling is None
                , "testNormalizeCombinedAndNextSibling -- result")
        doc.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testNormalizeDeleteWithPrevSibling(self):
        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode("first"))
        root.appendChild(doc.createTextNode(""))
        self.confirm(len(root.childNodes) == 2
                and root.childNodes.length == 2,
                "testNormalizeDeleteWithPrevSibling -- preparation")
        doc.normalize()
        self.confirm(len(root.childNodes) == 1
                and root.childNodes.length == 1
                and root.firstChild.data == "first"
                and root.firstChild is root.lastChild
                and root.firstChild.nextSibling is None
                and root.firstChild.previousSibling is None
                , "testNormalizeDeleteWithPrevSibling -- result")
        doc.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testNormalizeDeleteWithNextSibling(self):
        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode(""))
        root.appendChild(doc.createTextNode("second"))
        self.confirm(len(root.childNodes) == 2
                and root.childNodes.length == 2,
                "testNormalizeDeleteWithNextSibling -- preparation")
        doc.normalize()
        self.confirm(len(root.childNodes) == 1
                and root.childNodes.length == 1
                and root.firstChild.data == "second"
                and root.firstChild is root.lastChild
                and root.firstChild.nextSibling is None
                and root.firstChild.previousSibling is None
                , "testNormalizeDeleteWithNextSibling -- result")
        doc.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testNormalizeDeleteAndCombine(self):
        doc = parseString("<doc/>")
        root = doc.documentElement
        root.appendChild(doc.createTextNode(""))
        root.appendChild(doc.createTextNode("second"))
        root.appendChild(doc.createTextNode(""))
        root.appendChild(doc.createTextNode("fourth"))
        root.appendChild(doc.createTextNode(""))
        self.confirm(len(root.childNodes) == 5
                and root.childNodes.length == 5,
                "testNormalizeDeleteAndCombine -- preparation")
        doc.normalize()
        self.confirm(len(root.childNodes) == 1
                and root.childNodes.length == 1
                and root.firstChild is root.lastChild
                and root.firstChild.data == "secondfourth"
                and root.firstChild.previousSibling is None
                and root.firstChild.nextSibling is None
                , "testNormalizeDeleteAndCombine -- result")
        doc.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testAppendChild(self):
        dom = parse(tstfile)
        dom.documentElement.appendChild(dom.createComment(u"Hello"))
        self.confirm(dom.documentElement.childNodes[-1].nodeName == "#comment")
        self.confirm(dom.documentElement.childNodes[-1].data == "Hello")
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testAppendChildFragment(self):
        dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
        dom.documentElement.appendChild(frag)
        self.confirm(tuple(dom.documentElement.childNodes) ==
                     (orig, c1, c2, c3),
                     "appendChild(<fragment>)")
        frag.unlink()
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testReplaceChildFragment(self):
        dom, orig, c1, c2, c3, frag = self._create_fragment_test_nodes()
        dom.documentElement.replaceChild(frag, orig)
        orig.unlink()
        self.confirm(tuple(dom.documentElement.childNodes) == (c1, c2, c3),
                "replaceChild(<fragment>)")
        frag.unlink()
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def test_toprettyxml_preserves_content_of_text_node(self):
        # see issue #4147
        for str in ('<B>A</B>', '<A><B>C</B></A>'):
            dom = parseString(str)
            dom2 = parseString(dom.toprettyxml())
            self.assertEqual(
                dom.getElementsByTagName('B')[0].childNodes[0].toxml(),
                dom2.getElementsByTagName('B')[0].childNodes[0].toxml()) 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testProcessingInstruction(self):
        dom = parseString('<e><?mypi \t\n data \t\n ?></e>')
        pi = dom.documentElement.firstChild
        self.confirm(pi.target == "mypi"
                and pi.data == "data \t\n "
                and pi.nodeName == "mypi"
                and pi.nodeType == Node.PROCESSING_INSTRUCTION_NODE
                and pi.attributes is None
                and not pi.hasChildNodes()
                and len(pi.childNodes) == 0
                and pi.firstChild is None
                and pi.lastChild is None
                and pi.localName is None
                and pi.namespaceURI == xml.dom.EMPTY_NAMESPACE) 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testCloneElementShallow(self):
        dom, clone = self._setupCloneElement(0)
        self.confirm(len(clone.childNodes) == 0
                and clone.childNodes.length == 0
                and clone.parentNode is None
                and clone.toxml() == '<doc attr="value"/>'
                , "testCloneElementShallow")
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testCloneElementDeep(self):
        dom, clone = self._setupCloneElement(1)
        self.confirm(len(clone.childNodes) == 1
                and clone.childNodes.length == 1
                and clone.parentNode is None
                and clone.toxml() == '<doc attr="value"><foo/></doc>'
                , "testCloneElementDeep")
        dom.unlink() 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import childNodes [as 别名]
def testCloneDocumentTypeShallowOk(self):
        doctype = create_nonempty_doctype()
        clone = doctype.cloneNode(0)
        self.confirm(clone is not None
                and clone.nodeName == doctype.nodeName
                and clone.name == doctype.name
                and clone.publicId == doctype.publicId
                and clone.systemId == doctype.systemId
                and len(clone.entities) == 0
                and clone.entities.item(0) is None
                and len(clone.notations) == 0
                and clone.notations.item(0) is None
                and len(clone.childNodes) == 0)