diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_xml_dom_qdom.cpp')
-rw-r--r-- | sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_xml_dom_qdom.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_xml_dom_qdom.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_xml_dom_qdom.cpp new file mode 100644 index 000000000..741a75245 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_xml_dom_qdom.cpp @@ -0,0 +1,230 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of PySide2. +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +doc = QDomDocument() +impl = QDomImplementation() + +# This will create the element, but the resulting XML document will +# be invalid, because '~' is not a valid character in a tag name. +impl.setInvalidDataPolicy(QDomImplementation.AcceptInvalidData) +elt1 = doc.createElement("foo~bar") + +# This will create an element with the tag name "foobar". +impl.setInvalidDataPolicy(QDomImplementation.DropInvalidData) +elt2 = doc.createElement("foo~bar") + +# This will create a null element. +impl.setInvalidDataPolicy(QDomImplementation::ReturnNullNode) +elt3 = doc.createElement("foo~bar") +//! [0] + + +//! [1] +d = QDomDocument() +d.setContent(someXML) +n = d.firstChild() +while !n.isNull(): + if n.isElement(): + e = n.toElement() + print "Element name: %s" % e.tagName() + break + n = n.nextSibling() +//! [1] + + +//! [2] +QDomDocument document +QDomElement element1 = document.documentElement() +QDomElement element2 = element1 +//! [2] + + +//! [3] +QDomElement element3 = document.createElement("MyElement") +QDomElement element4 = document.createElement("MyElement") +//! [3] + + +//! [4] +<body> +<h1>Heading</h1> +<p>Hello <b>you</b></p> +</body> +//! [4] + + +//! [5] +<h1>Heading</h1> +<p>The text...</p> +<h2>Next heading</h2> +//! [5] + + +//! [6] +<h1>Heading</h1> +<p>The text...</p> +<h2>Next heading</h2> +//! [6] + + +//! [7] +<link href="http://qtsoftware.com" color="red" /> +//! [7] + + +//! [8] +e = # some QDomElement... +#... +a = e.attributeNode("href") +print a.value() # prints "http://qtsoftware.com" +a.setValue("http://doc.trolltech.com") # change the node's attribute +a2 = e.attributeNode("href") +print a2.value() # prints "http://doc.trolltech.com" +//! [8] + + +//! [9] +e = # some QDomElement... +#... +s = e.text() +//! [9] + + +//! [10] +text = QString() +element = doc.documentElement() + +n = element.firstChild() +while True: + if not n.isNull() + break + t = n.toText() + if !t.isNull(): + text += t.data() + + n = n.nextSibling() +//! [10] + + +//! [11] +doc = # some QDomDocument ... +root = doc.firstChildElement("database") +elt = root.firstChildElement("entry") +while True: + if not elt.isNull(): + break + # ... + elt = elt.nextSiblingElement("entry") +//! [11] + + +//! [12] +<img src="myimg.png"> +//! [12] + + +//! [13] +<h1>Hello <b>Qt</b> <![CDATA[<xml is cool>]]></h1> +//! [13] + + +//! [14] +Hello Qt <xml is cool> +//! [14] + + +//! [15] +<!-- this is a comment --> +//! [15] + + +//! [16] +doc = QDomDocument("mydocument") +file = QFile("mydocument.xml") +if not file.open(QIODevice::ReadOnly): + return +if not doc.setContent(&file): + file.close() + return +file.close() + +# print out the element names of all elements that are direct children +# of the outermost element. +docElem = doc.documentElement() + +n = docElem.firstChild() +while not n.isNull(): + e = n.toElement() # try to convert the node to an element. + if not e.isNull(): + print e.tagName() # the node really is an element. + n = n.nextSibling() +} + +# Here we append a new element to the end of the document +elem = doc.createElement("img") +elem.setAttribute("src", "myimage.png") +docElem.appendChild(elem) +//! [16] + + +//! [17] +doc = QDomDocument("MyML") +root = doc.createElement("MyML") +doc.appendChild(root) + +tag = doc.createElement("Greeting") +root.appendChild(tag) + +t = doc.createTextNode("Hello World") +tag.appendChild(t) + +xml = doc.toString() +//! [17] |