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Diffstat (limited to 'examples/corelib/serialization/convert/nullconverter.cpp')
-rw-r--r-- | examples/corelib/serialization/convert/nullconverter.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/examples/corelib/serialization/convert/nullconverter.cpp b/examples/corelib/serialization/convert/nullconverter.cpp new file mode 100644 index 0000000000..2de492e64e --- /dev/null +++ b/examples/corelib/serialization/convert/nullconverter.cpp @@ -0,0 +1,99 @@ +/**************************************************************************** +** +** Copyright (C) 2018 Intel Corporation. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 "nullconverter.h" + +static NullConverter nullConverter; +Converter* Converter::null = &nullConverter; + +QString NullConverter::name() +{ + return QLatin1String("null"); +} + +Converter::Direction NullConverter::directions() +{ + return Out; +} + +Converter::Options NullConverter::outputOptions() +{ + return SupportsArbitraryMapKeys; +} + +const char *NullConverter::optionsHelp() +{ + return nullptr; +} + +bool NullConverter::probeFile(QIODevice *f) +{ + Q_UNUSED(f); + return false; +} + +QVariant NullConverter::loadFile(QIODevice *f, Converter *&outputConverter) +{ + Q_UNUSED(f); + Q_UNUSED(outputConverter); + outputConverter = this; + return QVariant(); +} + +void NullConverter::saveFile(QIODevice *f, const QVariant &contents, const QStringList &options) +{ + if (!options.isEmpty()) { + fprintf(stderr, "Unknown option '%s' to null output. This format has no options.\n", qPrintable(options.first())); + exit(EXIT_FAILURE); + } + + Q_UNUSED(f); + Q_UNUSED(contents); +} |