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Make QLocalePrivate::codeTo*() take QStringViews

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... and remove now-superfluous overloads.

Adapt the sole user of the (QChar*, int) overload to construct a
QStringView first, which removes the ugly cast at the call site.

Change-Id: Ie5249d4b1b82d471896548e8a7d83c130ae28130
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
This commit is contained in:
Marc Mutz 2017-01-30 14:55:50 +01:00
parent 59928d23fc
commit 9a9195c806
3 changed files with 11 additions and 13 deletions
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10
src/corelib/tools/qlocale.cpp
View File

@ -89,8 +89,9 @@ QT_BEGIN_INCLUDE_NAMESPACE
#include "qlocale_data_p.h"
QT_END_INCLUDE_NAMESPACE
QLocale::Language QLocalePrivate::codeToLanguage(const QChar *code, int len) Q_DECL_NOTHROW
QLocale::Language QLocalePrivate::codeToLanguage(QStringView code) Q_DECL_NOTHROW
{
const auto len = code.size();
if (len != 2 && len != 3)
return QLocale::C;
ushort uc1 = code[0].toLower().unicode();
@ -131,8 +132,9 @@ QLocale::Language QLocalePrivate::codeToLanguage(const QChar *code, int len) Q_D
return QLocale::C;
}
QLocale::Script QLocalePrivate::codeToScript(const QChar *code, int len) Q_DECL_NOTHROW
QLocale::Script QLocalePrivate::codeToScript(QStringView code) Q_DECL_NOTHROW
{
const auto len = code.size();
if (len != 4)
return QLocale::AnyScript;
@ -150,10 +152,12 @@ QLocale::Script QLocalePrivate::codeToScript(const QChar *code, int len) Q_DECL_
return QLocale::AnyScript;
}
QLocale::Country QLocalePrivate::codeToCountry(const QChar *code, int len) Q_DECL_NOTHROW
QLocale::Country QLocalePrivate::codeToCountry(QStringView code) Q_DECL_NOTHROW
{
const auto len = code.size();
if (len != 2 && len != 3)
return QLocale::AnyCountry;
ushort uc1 = code[0].toUpper().unicode();
ushort uc2 = code[1].toUpper().unicode();
ushort uc3 = len > 2 ? code[2].toUpper().unicode() : 0;

12
src/corelib/tools/qlocale_p.h
View File

@ -356,15 +356,9 @@ public:
static QLatin1String languageToCode(QLocale::Language language);
static QLatin1String scriptToCode(QLocale::Script script);
static QLatin1String countryToCode(QLocale::Country country);
static QLocale::Language codeToLanguage(const QChar *code, int len) Q_DECL_NOTHROW;
static QLocale::Language codeToLanguage(const QString &code) Q_DECL_NOTHROW { return codeToLanguage(code.data(), code.size()); }
static QLocale::Language codeToLanguage(const QStringRef &code) Q_DECL_NOTHROW { return codeToLanguage(code.data(), code.size()); }
static QLocale::Script codeToScript(const QChar *code, int len) Q_DECL_NOTHROW;
static QLocale::Script codeToScript(const QString &code) Q_DECL_NOTHROW { return codeToScript(code.data(), code.size()); }
static QLocale::Script codeToScript(const QStringRef &code) Q_DECL_NOTHROW { return codeToScript(code.data(), code.size()); }
static QLocale::Country codeToCountry(const QChar *code, int len) Q_DECL_NOTHROW;
static QLocale::Country codeToCountry(const QString &code) Q_DECL_NOTHROW { return codeToCountry(code.data(), code.size()); }
static QLocale::Country codeToCountry(const QStringRef &code) Q_DECL_NOTHROW { return codeToCountry(code.data(), code.size()); }
static QLocale::Language codeToLanguage(QStringView code) Q_DECL_NOTHROW;
static QLocale::Script codeToScript(QStringView code) Q_DECL_NOTHROW;
static QLocale::Country codeToCountry(QStringView code) Q_DECL_NOTHROW;
static void getLangAndCountry(const QString &name, QLocale::Language &lang,
QLocale::Script &script, QLocale::Country &cntry);

2
src/corelib/tools/qtimezoneprivate_win.cpp
View File

@ -386,7 +386,7 @@ static QLocale::Country userCountry()
const GEOID id = GetUserGeoID(GEOCLASS_NATION);
wchar_t code[3];
const int size = GetGeoInfo(id, GEO_ISO2, code, 3, 0);
return (size == 3) ? QLocalePrivate::codeToCountry(reinterpret_cast<const QChar*>(code), size)
return (size == 3) ? QLocalePrivate::codeToCountry(QStringView(code, size))
: QLocale::AnyCountry;
}