diff options
Diffstat (limited to 'sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse')
3 files changed, 322 insertions, 0 deletions
diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.cpp new file mode 100644 index 000000000..6f18c7786 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.cpp @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* +handler.cpp + +Provides a handler for processing XML elements found by the reader. + +The handler stores the names of elements it finds and their indentation +levels. The indentation level is initially set to zero. +When a starting element is found, the indentation level is increased; +when an ending element is found, the indentation level is decreased. +*/ + +#include <QDebug> +#include "handler.h" + +/*! + Reset the state of the handler to ensure that new documents are + read correctly. + + We return true to indicate that parsing should continue. +*/ + +bool Handler::startDocument() +{ + elementName.clear(); + elementIndentation.clear(); + indentationLevel = 0; + + return true; +} + +/*! + Process each starting element in the XML document. + + Append the element name to the list of elements found; add its + corresponding indentation level to the list of indentation levels. + + Increase the level of indentation by one column. + + We return true to indicate that parsing should continue. +*/ + +bool Handler::startElement(const QString &, const QString &, + const QString & qName, const QXmlAttributes &) +{ + elementName.append(qName); + elementIndentation.append(indentationLevel); + indentationLevel += 1; + + return true; +} + +/*! + Process each ending element in the XML document. + + Decrease the level of indentation by one column. + + We return true to indicate that parsing should continue. +*/ + +bool Handler::endElement(const QString &, const QString &, + const QString &) +{ + indentationLevel -= 1; + + return true; +} + +/*! + Report a fatal parsing error, and return false to indicate to the reader + that parsing should stop. +*/ + +bool Handler::fatalError (const QXmlParseException & exception) +{ + qWarning() << QString("Fatal error on line %1, column %2: %3").arg( + exception.lineNumber()).arg(exception.columnNumber()).arg( + exception.message()); + + return false; +} + +/*! + Return the list of element names found. +*/ + +QStringList& Handler::names () +{ + return elementName; +} + +/*! + Return the list of indentations used for each element found. +*/ + +QList<int>& Handler::indentations () +{ + return elementIndentation; +} diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.h b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.h new file mode 100644 index 000000000..1d3ec1144 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/handler.h @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef HANDLER_H +#define HANDLER_H + +#include <qstring.h> +#include <qxml.h> + +class Handler : public QXmlDefaultHandler +{ +public: + bool startDocument(); + bool startElement(const QString &, const QString &, const QString &qName, + const QXmlAttributes &); + bool endElement(const QString &, const QString &, const QString &); + + bool fatalError(const QXmlParseException &exception); + + QStringList& names(); + QList<int>& indentations(); + +private: + int indentationLevel; + QStringList elementName; + QList<int> elementIndentation; +}; + +#endif + diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/main.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/main.cpp new file mode 100644 index 000000000..f16891533 --- /dev/null +++ b/sources/pyside2/doc/codesnippets/doc/src/snippets/simpleparse/main.cpp @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples 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." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <qfile.h> +#include <qxml.h> +#include "handler.h" + +#include <iostream> + +int main(int argc, char **argv) +{ + if (argc != 2) { + std::cout << "Usage: " << argv[0] << " <filename>" << std::endl; + return 1; + } + + QFile *file = new QFile(argv[1]); + +//! [0] + xmlReader = QXmlSimpleReader() + source = QXmlInputSource(filename) +//! [0] + +//! [1] + handler = Handler() + xmlReader.setContentHandler(handler) + xmlReader.setErrorHandler(handler) +//! [1] + +//! [2] + ok = xmlReader.parse(source) + + if not ok: + print "Parsing failed." +//! [2] + else { + QStringList names = handler->names(); + QList<int> indentations = handler->indentations(); + + int items = names.count(); + + for (int i = 0; i < items; ++i) { + for (int j = 0; j < indentations[i]; ++j) + std::cout << " "; + std::cout << names[i].toLocal8Bit().constData() << std::endl; + } + } + + return 0; +} |