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https://github.com/xiaoyifang/goldendict-ng.git
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65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
#ifndef LANGCODER_H
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#define LANGCODER_H
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#include <QString>
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#include <QIcon>
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#include "wstring.hh"
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struct GDLangCode
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{
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QString code2; // ISO 639-1 -> always 2 letters thus code2
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std::string code3; // ISO 639-2B ( http://www.loc.gov/standards/iso639-2/ )
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int isRTL; // Right-to-left writing; 0 - no, 1 - yes, -1 - let Qt define
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std::string lang; // Language name in English
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};
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class LangCoder
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{
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public:
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static quint32 code2toInt( const char code[ 2 ] )
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{
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return ( ( (quint32)code[ 1 ] ) << 8 ) + (quint32)code[ 0 ];
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}
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static quint32 code2toInt( QString code )
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{
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if ( code.size() < 2 )
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return 0;
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auto c = code.toLatin1();
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return ( ( (quint32)c[ 1 ] ) << 8 ) + (quint32)c[ 0 ];
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}
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static QString intToCode2( quint32 );
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/// Finds the id for the given language name, written in english. The search
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/// is case- and punctuation insensitive.
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static quint32 findIdForLanguage( gd::wstring const & );
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static quint32 findIdForLanguageCode3( std::string const & );
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/// find id pairs like en-zh in dictioanry name
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static std::pair< quint32, quint32 > findLangIdPairFromName( QString const & );
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static std::pair< quint32, quint32 > findLangIdPairFromPath( std::string const & );
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static quint32 guessId( const QString & lang );
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/// Returns decoded name of language or empty string if not found.
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static QString decode( quint32 _code );
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/// Return true for RTL languages
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static bool isLanguageRTL( quint32 code );
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private:
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static QMap< QString, GDLangCode > LANG_CODE_MAP;
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static bool code2Exists( const QString & _code );
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};
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///////////////////////////////////////////////////////////////////////////////
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#define LangCodeRole Qt::UserRole
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#endif // LANGCODER_H
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