diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp')
-rw-r--r-- | src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp | 77 |
1 files changed, 27 insertions, 50 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp b/src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp index 97d28d5428..b5bfc9cd55 100644 --- a/src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_text_qstringconverter.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause //! [0] QByteArray encodedString = "..."; @@ -58,7 +11,7 @@ QString string = toUtf16(encodedString); //! [1] QString string = "..."; auto fromUtf16 = QStringEncoder(QStringEncoder::Utf8); -QByteArray encodedString = fromUtf16(encodedString); +QByteArray encodedString = fromUtf16(string); //! [1] @@ -81,3 +34,27 @@ while (new_data_available()) { encoded += fromUtf16(chunk); } //! [3] + +{ +//! [4] +QByteArray encodedString = "..."; +auto toUtf16 = QStringDecoder(QStringDecoder::Utf8); +auto data = toUtf16(encodedString); // data's type is QStringDecoder::EncodedData<const QByteArray &> +QString string = toUtf16(encodedString); // Implicit conversion to QString + +// Here you have to cast "data" to QString +auto func = [&]() { return !toUtf16.hasError() ? QString(data) : u"foo"_s; } +//! [4] +} + +{ +//! [5] +QString string = "..."; +auto fromUtf16 = QStringEncoder(QStringEncoder::Utf8); +auto data = fromUtf16(string); // data's type is QStringEncoder::DecodedData<const QString &> +QByteArray encodedString = fromUtf16(string); // Implicit conversion to QByteArray + +// Here you have to cast "data" to QByteArray +auto func = [&]() { return !fromUtf16.hasError() ? QByteArray(data) : "foo"_ba; } +//! [5] +} |