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i18n: factor out special cases

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- allow special Locale or special Name for a translation (or both)
This commit is contained in:
Adriaan de Groot 2021-07-25 23:38:09 +02:00
parent 0e977a7e42
commit 53fb16437f
1 changed files with 37 additions and 18 deletions
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55
src/libcalamares/locale/Label.cpp
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@ -11,6 +11,35 @@
#include "Label.h"
#include <memory>
/** @brief Handle special cases of Calamares language names
*
* If a given @p localeName (e.g. en_US, or sr@latin) has special handling,
* returns a pair of pointers:
* - a pointer to a QLocale; this is the locale to use, or may be @c nullptr
* to indicate that the Qt locale derived from @p localeName is accepatable.
* - a pointer to a QString; this is the native language name to use, or may
* be @c nullptr to indicate that the Qt value is acceptable.
*
* Returns a pair of nullptrs for non-special cases.
*/
static std::pair< QLocale*, QString* > specialCase( const QString& localeName )
{
if ( localeName == "sr@latin" )
{
static QLocale loc( QLocale::Language::Serbian, QLocale::Script::LatinScript, QLocale::Country::Serbia );
return { &loc, nullptr };
}
if ( localeName == "ca@valencia" )
{
static QString name = QStringLiteral( "Català (Valencia)" );
return { nullptr, &name };
}
return { nullptr, nullptr };
}
namespace CalamaresUtils
{
namespace Locale
@ -26,11 +55,12 @@ Label::Label( const QString& locale, LabelFormat format, QObject* parent )
, m_locale( Label::getLocale( locale ) )
, m_localeId( locale.isEmpty() ? m_locale.name() : locale )
{
auto special = specialCase( locale );
QString longFormat = QObject::tr( "%1 (%2)" );
QString languageName = m_locale.nativeLanguageName();
QString languageName = special.second ? *special.second : m_locale.nativeLanguageName();
QString englishName = m_locale.languageToString( m_locale.language() );
QString countryName;
if ( languageName.isEmpty() )
{
@ -39,11 +69,10 @@ Label::Label( const QString& locale, LabelFormat format, QObject* parent )
bool needsCountryName = ( format == LabelFormat::AlwaysWithCountry )
|| ( locale.contains( '_' ) && QLocale::countriesForLanguage( m_locale.language() ).count() > 1 );
QString countryName =
( needsCountryName ?
if ( needsCountryName )
{
countryName = m_locale.nativeCountryName();
}
m_locale.nativeCountryName() : QString() );
m_label = needsCountryName ? longFormat.arg( languageName, countryName ) : languageName;
m_englishLabel = needsCountryName ? longFormat.arg( englishName, QLocale::countryToString( m_locale.country() ) )
: englishName;
@ -57,18 +86,8 @@ Label::getLocale( const QString& localeName )
return QLocale();
}
// Special cases
if ( localeName == QStringLiteral( "sr@latin" ) )
{
QLocale loc( localeName ); // Ignores @latin
return QLocale( loc.language(), QLocale::Script::LatinScript, loc.country() );
}
if ( localeName == QStringLiteral( "ca@valencia" ) )
{
return QLocale( localeName ); // Ignores @valencia, but there is **really** no way to handle this
}
return QLocale( localeName );
auto special = specialCase( localeName );
return special.first ? *special.first : QLocale( localeName );
}
} // namespace Locale