diff options
Diffstat (limited to 'src/corelib/tools/qlocale.cpp')
-rw-r--r-- | src/corelib/tools/qlocale.cpp | 87 |
1 files changed, 64 insertions, 23 deletions
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp index 77f7ba963b..cdda5292e7 100644 --- a/src/corelib/tools/qlocale.cpp +++ b/src/corelib/tools/qlocale.cpp @@ -334,33 +334,17 @@ QByteArray QLocalePrivate::bcp47Name(char separator) const return localeId.withLikelySubtagsRemoved().name(separator); } -const QLocaleData *QLocaleData::findLocaleData(QLocale::Language language, QLocale::Script script, QLocale::Country country) +static const QLocaleData *findLocaleDataById(const QLocaleId &localeId) { - QLocaleId localeId = QLocaleId::fromIds(language, script, country); - localeId = localeId.withLikelySubtagsAdded(); - - uint idx = locale_index[localeId.language_id]; + const uint idx = locale_index[localeId.language_id]; const QLocaleData *data = locale_data + idx; - if (idx == 0) // default language has no associated country + if (idx == 0) // default language has no associated script or country return data; Q_ASSERT(data->m_language_id == localeId.language_id); - if (localeId.script_id != QLocale::AnyScript && localeId.country_id != QLocale::AnyCountry) { - // both script and country are explicitly specified - do { - if (data->m_script_id == localeId.script_id && data->m_country_id == localeId.country_id) - return data; - ++data; - } while (data->m_language_id == localeId.language_id); - - // no match; try again with default script - localeId.script_id = QLocale::AnyScript; - data = locale_data + idx; - } - if (localeId.script_id == QLocale::AnyScript && localeId.country_id == QLocale::AnyCountry) return data; @@ -369,15 +353,72 @@ const QLocaleData *QLocaleData::findLocaleData(QLocale::Language language, QLoca if (data->m_country_id == localeId.country_id) return data; ++data; - } while (data->m_language_id == localeId.language_id); + } while (data->m_language_id && data->m_language_id == localeId.language_id); } else if (localeId.country_id == QLocale::AnyCountry) { do { if (data->m_script_id == localeId.script_id) return data; ++data; - } while (data->m_language_id == localeId.language_id); + } while (data->m_language_id && data->m_language_id == localeId.language_id); + } else { + do { + if (data->m_script_id == localeId.script_id && data->m_country_id == localeId.country_id) + return data; + ++data; + } while (data->m_language_id && data->m_language_id == localeId.language_id); + } + + return 0; +} + +const QLocaleData *QLocaleData::findLocaleData(QLocale::Language language, QLocale::Script script, QLocale::Country country) +{ + QLocaleId localeId = QLocaleId::fromIds(language, script, country); + localeId = localeId.withLikelySubtagsAdded(); + + const uint idx = locale_index[localeId.language_id]; + + // Try a straight match + if (const QLocaleData *const data = findLocaleDataById(localeId)) + return data; + QList<QLocaleId> tried; + tried.push_back(localeId); + + // No match; try again with likely country + localeId = QLocaleId::fromIds(language, script, QLocale::AnyCountry); + localeId = localeId.withLikelySubtagsAdded(); + if (!tried.contains(localeId)) { + if (const QLocaleData *const data = findLocaleDataById(localeId)) + return data; + tried.push_back(localeId); } + // No match; try again with any country + localeId = QLocaleId::fromIds(language, script, QLocale::AnyCountry); + if (!tried.contains(localeId)) { + if (const QLocaleData *const data = findLocaleDataById(localeId)) + return data; + tried.push_back(localeId); + } + + // No match; try again with likely script + localeId = QLocaleId::fromIds(language, QLocale::AnyScript, country); + localeId = localeId.withLikelySubtagsAdded(); + if (!tried.contains(localeId)) { + if (const QLocaleData *const data = findLocaleDataById(localeId)) + return data; + tried.push_back(localeId); + } + + // No match; try again with any script + localeId = QLocaleId::fromIds(language, QLocale::AnyScript, country); + if (!tried.contains(localeId)) { + if (const QLocaleData *const data = findLocaleDataById(localeId)) + return data; + tried.push_back(localeId); + } + + // No match; return data at original index return locale_data + idx; } @@ -1305,8 +1346,8 @@ float QLocale::toFloat(const QString &s, bool *ok) const If \a ok is not 0, reports failure by setting *ok to false and success by setting *ok to true. - Unlike QString::toDouble(), this function does not fall back to - the "C" locale if the string cannot be interpreted in this + Unlike QString::toDouble(), this function does not use + the 'C' locale if the string cannot be interpreted in this locale. \snippet code/src_corelib_tools_qlocale.cpp 3 |