我们从Python开源项目中，提取了以下25个代码示例，用于说明如何使用xml.dom.insertBefore()。
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()
def testLegalChildren(self): dom = Document() elem = dom.createElement('element') text = dom.createTextNode('text') self.assertRaises(xml.dom.HierarchyRequestErr, dom.appendChild, text) dom.appendChild(elem) self.assertRaises(xml.dom.HierarchyRequestErr, dom.insertBefore, text, elem) self.assertRaises(xml.dom.HierarchyRequestErr, dom.replaceChild, text, elem) nodemap = elem.attributes self.assertRaises(xml.dom.HierarchyRequestErr, nodemap.setNamedItem, text) self.assertRaises(xml.dom.HierarchyRequestErr, nodemap.setNamedItemNS, text) elem.appendChild(text) dom.unlink()
def testWholeText(self): doc = parseString("<doc>a</doc>") elem = doc.documentElement text = elem.childNodes[0] self.assertEqual(text.nodeType, Node.TEXT_NODE) self.checkWholeText(text, "a") elem.appendChild(doc.createTextNode("b")) self.checkWholeText(text, "ab") elem.insertBefore(doc.createCDATASection("c"), text) self.checkWholeText(text, "cab") # make sure we don't cross other nodes splitter = doc.createComment("comment") elem.appendChild(splitter) text2 = doc.createTextNode("d") elem.appendChild(text2) self.checkWholeText(text, "cab") self.checkWholeText(text2, "d") x = doc.createElement("x") elem.replaceChild(x, splitter) splitter = x self.checkWholeText(text, "cab") self.checkWholeText(text2, "d") x = doc.createProcessingInstruction("y", "z") elem.replaceChild(x, splitter) splitter = x self.checkWholeText(text, "cab") self.checkWholeText(text2, "d") elem.removeChild(splitter) self.checkWholeText(text, "cabd") self.checkWholeText(text2, "cabd")
def testReplaceWholeText(self): def setup(): doc = parseString("<doc>a<e/>d</doc>") elem = doc.documentElement text1 = elem.firstChild text2 = elem.lastChild splitter = text1.nextSibling elem.insertBefore(doc.createTextNode("b"), splitter) elem.insertBefore(doc.createCDATASection("c"), text1) return doc, elem, text1, splitter, text2 doc, elem, text1, splitter, text2 = setup() text = text1.replaceWholeText("new content") self.checkWholeText(text, "new content") self.checkWholeText(text2, "d") self.confirm(len(elem.childNodes) == 3) doc, elem, text1, splitter, text2 = setup() text = text2.replaceWholeText("new content") self.checkWholeText(text, "new content") self.checkWholeText(text1, "cab") self.confirm(len(elem.childNodes) == 5) doc, elem, text1, splitter, text2 = setup() text = text1.replaceWholeText("") self.checkWholeText(text2, "d") self.confirm(text is None and len(elem.childNodes) == 2)
def testInsertBefore(self): dom = parseString("<doc><foo/></doc>") root = dom.documentElement elem = root.childNodes[0] nelem = dom.createElement("element") root.insertBefore(nelem, elem) self.confirm(len(root.childNodes) == 2 and root.childNodes.length == 2 and root.childNodes[0] is nelem and root.childNodes.item(0) is nelem and root.childNodes[1] is elem and root.childNodes.item(1) is elem and root.firstChild is nelem and root.lastChild is elem and root.toxml() == "<doc><element/><foo/></doc>" , "testInsertBefore -- node properly placed in tree") nelem = dom.createElement("element") root.insertBefore(nelem, None) self.confirm(len(root.childNodes) == 3 and root.childNodes.length == 3 and root.childNodes[1] is elem and root.childNodes.item(1) is elem and root.childNodes[2] is nelem and root.childNodes.item(2) is nelem and root.lastChild is nelem and nelem.previousSibling is elem and root.toxml() == "<doc><element/><foo/><element/></doc>" , "testInsertBefore -- node properly placed in tree") nelem2 = dom.createElement("bar") root.insertBefore(nelem2, nelem) self.confirm(len(root.childNodes) == 4 and root.childNodes.length == 4 and root.childNodes[2] is nelem2 and root.childNodes.item(2) is nelem2 and root.childNodes[3] is nelem and root.childNodes.item(3) is nelem and nelem2.nextSibling is nelem and nelem.previousSibling is nelem2 and root.toxml() == "<doc><element/><foo/><bar/><element/></doc>" , "testInsertBefore -- node properly placed in tree") dom.unlink()
