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Diffstat (limited to 'src/corelib/text/qcollator_win.cpp')
| -rw-r--r-- | src/corelib/text/qcollator_win.cpp | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/src/corelib/text/qcollator_win.cpp b/src/corelib/text/qcollator_win.cpp new file mode 100644 index 0000000000..9d81de882f --- /dev/null +++ b/src/corelib/text/qcollator_win.cpp @@ -0,0 +1,175 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Aleix Pol Gonzalez <aleixpol@kde.org> +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 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 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. +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qcollator_p.h" +#include "qlocale_p.h" +#include "qstringlist.h" +#include "qstring.h" + +#include <QDebug> + +#include <qt_windows.h> +#include <qsysinfo.h> + +QT_BEGIN_NAMESPACE + +//NOTE: SORT_DIGITSASNUMBERS is available since win7 +#ifndef SORT_DIGITSASNUMBERS +#define SORT_DIGITSASNUMBERS 8 +#endif + +// implemented in qlocale_win.cpp +extern LCID qt_inIsoNametoLCID(const char *name); + +void QCollatorPrivate::init() +{ + collator = 0; + if (isC()) + return; + +#ifndef USE_COMPARESTRINGEX + localeID = qt_inIsoNametoLCID(QLocalePrivate::get(locale)->bcp47Name().constData()); +#else + localeName = locale.bcp47Name(); +#endif + + if (caseSensitivity == Qt::CaseInsensitive) + collator |= NORM_IGNORECASE; + + // WINE does not support SORT_DIGITSASNUMBERS :-( + // (and its std::sort() crashes on bad comparisons, QTBUG-74209) + if (numericMode) + collator |= SORT_DIGITSASNUMBERS; + + if (ignorePunctuation) + collator |= NORM_IGNORESYMBOLS; + + dirty = false; +} + +void QCollatorPrivate::cleanup() +{ +} + +int QCollator::compare(QStringView s1, QStringView s2) const +{ + if (d->isC()) + return s1.compare(s2, d->caseSensitivity); + + if (d->dirty) + d->init(); + + //* from Windows documentation * + // Returns one of the following values if successful. To maintain the C + // runtime convention of comparing strings, the value 2 can be subtracted + // from a nonzero return value. Then, the meaning of <0, ==0, and >0 is + // consistent with the C runtime. + // [...] The function returns 0 if it does not succeed. + // https://docs.microsoft.com/en-us/windows/desktop/api/stringapiset/nf-stringapiset-comparestringex#return-value + +#ifndef USE_COMPARESTRINGEX + const int ret = CompareString(d->localeID, d->collator, + reinterpret_cast<const wchar_t *>(s1.data()), s1.size(), + reinterpret_cast<const wchar_t *>(s2.data()), s2.size()); +#else + const int ret = CompareStringEx(LPCWSTR(d->localeName.utf16()), d->collator, + reinterpret_cast<LPCWSTR>(s1.data()), s1.size(), + reinterpret_cast<LPCWSTR>(s2.data()), s2.size(), + nullptr, nullptr, 0); +#endif + if (Q_LIKELY(ret)) + return ret - 2; + + switch (DWORD error = GetLastError()) { + case ERROR_INVALID_FLAGS: + qWarning("Unsupported flags (%d) used in QCollator", int(d->collator)); + break; + case ERROR_INVALID_PARAMETER: + qWarning("Invalid parameter for QCollator::compare()"); + break; + default: + qWarning("Failed (%ld) comparison in QCollator::compare()", long(error)); + break; + } + // We have no idea what to return, so pretend we think they're equal. + // At least that way we'll be consistent if we get the same values swapped ... + return 0; +} + +QCollatorSortKey QCollator::sortKey(const QString &string) const +{ + if (d->dirty) + d->init(); + if (d->isC()) + return QCollatorSortKey(new QCollatorSortKeyPrivate(string)); + +#ifndef USE_COMPARESTRINGEX + int size = LCMapStringW(d->localeID, LCMAP_SORTKEY | d->collator, + reinterpret_cast<const wchar_t*>(string.constData()), string.size(), + 0, 0); +#else + int size = LCMapStringEx(LPCWSTR(d->localeName.utf16()), LCMAP_SORTKEY | d->collator, + reinterpret_cast<LPCWSTR>(string.constData()), string.size(), + 0, 0, NULL, NULL, 0); +#endif + QString ret(size, Qt::Uninitialized); +#ifndef USE_COMPARESTRINGEX + int finalSize = LCMapStringW(d->localeID, LCMAP_SORTKEY | d->collator, + reinterpret_cast<const wchar_t*>(string.constData()), string.size(), + reinterpret_cast<wchar_t*>(ret.data()), ret.size()); +#else + int finalSize = LCMapStringEx(LPCWSTR(d->localeName.utf16()), LCMAP_SORTKEY | d->collator, + reinterpret_cast<LPCWSTR>(string.constData()), string.size(), + reinterpret_cast<LPWSTR>(ret.data()), ret.size(), + NULL, NULL, 0); +#endif + if (finalSize == 0) { + qWarning() + << "there were problems when generating the ::sortKey by LCMapStringW with error:" + << GetLastError(); + } + return QCollatorSortKey(new QCollatorSortKeyPrivate(std::move(ret))); +} + +int QCollatorSortKey::compare(const QCollatorSortKey &otherKey) const +{ + return d->m_key.compare(otherKey.d->m_key); +} + +QT_END_NAMESPACE |