cclass_unicode.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#pragma once
 
#include <com/sun/star/i18n/XCharacterClassification.hpp>
#include <cppuhelper/implbase.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <rtl/ref.hxx>
 
#include <o3tl/typed_flags_set.hxx>
#include <memory>
 
namespace com::sun::star::uno { class XComponentContext; }
namespace com::sun::star::i18n { class XNativeNumberSupplier; }
namespace com::sun::star::i18n { class XLocaleData5; }
namespace i18npool { class Transliteration_casemapping; }
 
 
enum class ParserFlags : sal_uInt32  {
    ILLEGAL         = 0x00000000,
    CHAR            = 0x00000001,
    CHAR_BOOL       = 0x00000002,
    CHAR_WORD       = 0x00000004,
    CHAR_VALUE      = 0x00000008,
    CHAR_STRING     = 0x00000010,
    CHAR_DONTCARE   = 0x00000020,
    BOOL            = 0x00000040,
    WORD            = 0x00000080,
    WORD_SEP        = 0x00000100,
    VALUE           = 0x00000200,
    VALUE_SEP       = 0x00000400,
    VALUE_EXP       = 0x00000800,
    VALUE_SIGN      = 0x00001000,
    VALUE_EXP_VALUE = 0x00002000,
    VALUE_DIGIT     = 0x00004000,
    NAME_SEP        = 0x20000000,
    STRING_SEP      = 0x40000000,
    EXCLUDED        = 0x80000000,
};
namespace o3tl {
    template<> struct typed_flags<ParserFlags> : is_typed_flags<ParserFlags, 0xe0007fff> {};
}
 
 
namespace i18npool {
 
class cclass_Unicode final : public cppu::WeakImplHelper < css::i18n::XCharacterClassification, css::lang::XServiceInfo >
{
public:
    cclass_Unicode(css::uno::Reference < css::uno::XComponentContext > xContext );
    virtual ~cclass_Unicode() override;
 
    virtual OUString SAL_CALL toUpper( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount,
        const css::lang::Locale& rLocale ) override;
    virtual OUString SAL_CALL toLower( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount,
        const css::lang::Locale& rLocale ) override;
    virtual OUString SAL_CALL toTitle( const OUString& Text, sal_Int32 nPos, sal_Int32 nCount,
        const css::lang::Locale& rLocale ) override;
    virtual sal_Int16 SAL_CALL getType( const OUString& Text, sal_Int32 nPos ) override;
    virtual sal_Int16 SAL_CALL getCharacterDirection( const OUString& Text, sal_Int32 nPos ) override;
    virtual sal_Int16 SAL_CALL getScript( const OUString& Text, sal_Int32 nPos ) override;
    virtual sal_Int32 SAL_CALL getCharacterType( const OUString& text, sal_Int32 nPos,
        const css::lang::Locale& rLocale ) override;
    virtual sal_Int32 SAL_CALL getStringType( const OUString& text, sal_Int32 nPos, sal_Int32 nCount,
        const css::lang::Locale& rLocale ) override;
    virtual css::i18n::ParseResult SAL_CALL parseAnyToken( const OUString& Text, sal_Int32 nPos,
        const css::lang::Locale& rLocale, sal_Int32 nStartCharFlags, const OUString& userDefinedCharactersStart,
        sal_Int32 nContCharFlags, const OUString& userDefinedCharactersCont ) override;
    virtual css::i18n::ParseResult SAL_CALL parsePredefinedToken( sal_Int32 nTokenType, const OUString& Text,
        sal_Int32 nPos, const css::lang::Locale& rLocale, sal_Int32 nStartCharFlags,
        const OUString& userDefinedCharactersStart, sal_Int32 nContCharFlags,
        const OUString& userDefinedCharactersCont ) override;
 
    //XServiceInfo
    virtual OUString SAL_CALL getImplementationName() override;
    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 
private:
    // These are performance sensitive, so we don't want to use locking and switch their state, so just
    // have multiple copies.
    rtl::Reference<Transliteration_casemapping> transToUpper;
    rtl::Reference<Transliteration_casemapping> transToLower;
    rtl::Reference<Transliteration_casemapping> transToTitle;
 
// --- parser specific (implemented in cclass_unicode_parser.cxx) ---
 
    enum ScanState
    {
        ssGetChar, // initial state; -> ssBounce, ssGetValue, ssRewindFromValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop
        ssGetValue, // -> ssBounce, ssRewindFromValue, ssStopBack, ssGetWord
        ssGetWord, // -> ssBounce, ssStop, ssStopBack
        ssGetWordFirstChar, // -> ssBounce, ssGetWord, ssStop, ssStopBack
        ssGetString, // -> ssBounce, ssStop
        ssGetBool, // -> ssBounce, ssStop, ssStopBack
        ssRewindFromValue, // -> ssBounce, ssGetValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop, ssIgnoreLeadingInRewind
        ssIgnoreLeadingInRewind, // -> ssBounce, ssGetValue, ssRewindFromValue, ssGetWord, ssGetWordFirstChar, ssGetString, ssGetBool, ssStop
        ssStopBack, // -> ssStop
        ssBounce, // -> ssStopBack
        ssStop
    };
 
    static const sal_uInt8      nDefCnt;
    static const ParserFlags    pDefaultParserTable[];
    static const sal_Int32      pParseTokensType[];
 
    static  const sal_Unicode*  StrChr( const sal_Unicode* pStr, sal_uInt32 c );
 
 
    css::uno::Reference < css::uno::XComponentContext > m_xContext;
 
    css::lang::Locale    aParserLocale;
    css::uno::Reference < css::i18n::XLocaleData5 > mxLocaleData;
    css::uno::Reference < css::i18n::XNativeNumberSupplier > xNatNumSup;
    OUString             aStartChars;
    OUString             aContChars;
    std::unique_ptr<ParserFlags[]> pTable;
    std::unique_ptr<ParserFlags[]> pStart;
    std::unique_ptr<ParserFlags[]> pCont;
    sal_Int32            nStartTypes;
    sal_Int32            nContTypes;
    sal_Unicode          cGroupSep;
    sal_Unicode          cDecimalSep;
    sal_Unicode          cDecimalSepAlt;
 
    static sal_Int32 getParseTokensType(sal_uInt32 c, bool isFirst);
 
    ParserFlags getFlags(sal_uInt32 c, ScanState eState);
 
    ParserFlags getFlagsExtended(sal_uInt32 c, ScanState eState) const;
 
    ParserFlags getStartCharsFlags( sal_uInt32 c );
 
    ParserFlags getContCharsFlags( sal_Unicode c );
 
    void setupParserTable( const css::lang::Locale& rLocale, sal_Int32 startCharTokenType,
        const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType,
        const OUString& userDefinedCharactersCont );
 
    void initParserTable( const css::lang::Locale& rLocale, sal_Int32 startCharTokenType,
        const OUString& userDefinedCharactersStart, sal_Int32 contCharTokenType,
        const OUString& userDefinedCharactersCont );
 
    void destroyParserTable();
 
    void parseText( css::i18n::ParseResult& r, const OUString& rText, sal_Int32 nPos,
        sal_Int32 nTokenType = 0xffffffff );
 
    void setupInternational( const css::lang::Locale& rLocale );
 
    static sal_Int32 getCharType( std::u16string_view Text, sal_Int32 *nPos, sal_Int32 increment);
 
};
 
}
 
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