diff options
Diffstat (limited to 'src/corelib/io/qtextstream.cpp')
| -rw-r--r-- | src/corelib/io/qtextstream.cpp | 84 |
1 files changed, 49 insertions, 35 deletions
diff --git a/src/corelib/io/qtextstream.cpp b/src/corelib/io/qtextstream.cpp index a8fd2dd7ab..bc4a5fa538 100644 --- a/src/corelib/io/qtextstream.cpp +++ b/src/corelib/io/qtextstream.cpp @@ -1,31 +1,38 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Intel Corporation. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -862,6 +869,21 @@ void QTextStreamPrivate::write(QLatin1String data) /*! \internal */ +void QTextStreamPrivate::writePadding(int len) +{ + if (string) { + // ### What about seek()?? + string->resize(string->size() + len, params.padChar); + } else { + writeBuffer.resize(writeBuffer.size() + len, params.padChar); + if (writeBuffer.size() > QTEXTSTREAM_BUFFERSIZE) + flushWriteBuffer(); + } +} + +/*! + \internal +*/ inline bool QTextStreamPrivate::getChar(QChar *ch) { if ((string && stringOffset == string->size()) @@ -916,31 +938,24 @@ QTextStreamPrivate::PaddingResult QTextStreamPrivate::padding(int len) const { Q_ASSERT(params.fieldWidth > len); // calling padding() when no padding is needed is an error - // Do NOT break NRVO in this function or kittens will die! - - PaddingResult result; + int left = 0, right = 0; const int padSize = params.fieldWidth - len; - result.padding.resize(padSize); - std::fill_n(result.padding.begin(), padSize, params.padChar); - switch (params.fieldAlignment) { case QTextStream::AlignLeft: - result.left = 0; - result.right = padSize; + right = padSize; break; case QTextStream::AlignRight: case QTextStream::AlignAccountingStyle: - result.left = padSize; - result.right = 0; + left = padSize; break; case QTextStream::AlignCenter: - result.left = padSize/2; - result.right = padSize - padSize/2; + left = padSize/2; + right = padSize - padSize/2; break; } - + const PaddingResult result = { left, right }; return result; } @@ -965,9 +980,9 @@ void QTextStreamPrivate::putString(const QChar *data, int len, bool number) } } - write(pad.padding.constData(), pad.left); + writePadding(pad.left); write(data, len); - write(pad.padding.constData(), pad.right); + writePadding(pad.right); } else { write(data, len); } @@ -993,9 +1008,9 @@ void QTextStreamPrivate::putString(QLatin1String data, bool number) } } - write(pad.padding.constData(), pad.left); + writePadding(pad.left); write(data); - write(pad.padding.constData(), pad.right); + writePadding(pad.right); } else { write(data); } @@ -2545,6 +2560,8 @@ QTextStream &QTextStream::operator<<(double f) flags |= QLocaleData::Alternate; if (locale() != QLocale::c() && !(locale().numberOptions() & QLocale::OmitGroupSeparator)) flags |= QLocaleData::ThousandsGroup; + if (!(locale().numberOptions() & QLocale::OmitLeadingZeroInExponent)) + flags |= QLocaleData::ZeroPadExponent; const QLocaleData *dd = d->locale.d->m_data; QString num = dd->doubleToString(f, d->params.realNumberPrecision, form, -1, flags); @@ -3113,10 +3130,7 @@ void QTextStream::setGenerateByteOrderMark(bool generate) { Q_D(QTextStream); if (d->writeBuffer.isEmpty()) { - if (generate) - d->writeConverterState.flags &= ~QTextCodec::IgnoreHeader; - else - d->writeConverterState.flags |= QTextCodec::IgnoreHeader; + d->writeConverterState.flags.setFlag(QTextCodec::IgnoreHeader, !generate); } } |