123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121 | // Copyright (C) 2020 Aleix Pol Gonzalez <aleixpol@kde.org>// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#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.cppextern LCID qt_inIsoNametoLCID(const char*name);voidQCollatorPrivate::init(){ collator =0;if(isC())return; localeID =qt_inIsoNametoLCID(QLocalePrivate::get(locale)->bcp47Name().constData());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;}voidQCollatorPrivate::cleanup(){}intQCollator::compare(QStringView s1, QStringView s2)const{if(!s1.size())return s2.size() ? -1:0;if(!s2.size())return+1;if(d->isC())return s1.compare(s2, d->caseSensitivity); d->ensureInitialized();//* 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-valueconst 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());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 ...return0;} QCollatorSortKey QCollator::sortKey(const QString &string)const{ d->ensureInitialized();if(d->isC())returnQCollatorSortKey(newQCollatorSortKeyPrivate(string));// truncating sizes (QTBUG-105038)int size =LCMapStringW(d->localeID, LCMAP_SORTKEY | d->collator,reinterpret_cast<const wchar_t*>(string.constData()), string.size(),0,0); QString ret(size,Qt::Uninitialized);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());if(finalSize ==0) {qWarning()<<"there were problems when generating the ::sortKey by LCMapStringW with error:"<<GetLastError();}returnQCollatorSortKey(newQCollatorSortKeyPrivate(std::move(ret)));}intQCollatorSortKey::compare(const QCollatorSortKey &otherKey)const{return d->m_key.compare(otherKey.d->m_key);} QT_END_NAMESPACE
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