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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/
#include "unotools/unotoolsdllapi.h"

#ifndef _UNOTOOLS_CHARCLASS_HXX
#define _UNOTOOLS_CHARCLASS_HXX

#include <ctype.h>      // isdigit(), isalpha()
#include <boost/noncopyable.hpp>
#include <tools/string.hxx>
#include <tools/solar.h>
#include <com/sun/star/i18n/KCharacterType.hpp>
#include <com/sun/star/i18n/KParseTokens.hpp>
#include <com/sun/star/i18n/KParseType.hpp>
#include <com/sun/star/i18n/ParseResult.hpp>
#include <com/sun/star/i18n/XCharacterClassification.hpp>
#include <osl/mutex.hxx>

class String;
namespace com { namespace sun { namespace star {
    namespace lang {
        class XMultiServiceFactory;
    }
}}}

const sal_Int32 nCharClassAlphaType =
    ::com::sun::star::i18n::KCharacterType::UPPER |
    ::com::sun::star::i18n::KCharacterType::LOWER |
    ::com::sun::star::i18n::KCharacterType::TITLE_CASE;

const sal_Int32 nCharClassAlphaTypeMask =
    nCharClassAlphaType |
    ::com::sun::star::i18n::KCharacterType::PRINTABLE |
    ::com::sun::star::i18n::KCharacterType::BASE_FORM;

const sal_Int32 nCharClassLetterType =
    nCharClassAlphaType |
    ::com::sun::star::i18n::KCharacterType::LETTER;

const sal_Int32 nCharClassLetterTypeMask =
    nCharClassAlphaTypeMask |
    ::com::sun::star::i18n::KCharacterType::LETTER;

const sal_Int32 nCharClassNumericType =
    ::com::sun::star::i18n::KCharacterType::DIGIT;

const sal_Int32 nCharClassNumericTypeMask =
    nCharClassNumericType |
    ::com::sun::star::i18n::KCharacterType::PRINTABLE |
    ::com::sun::star::i18n::KCharacterType::BASE_FORM;


class UNOTOOLS_DLLPUBLIC CharClass : private boost::noncopyable
{
    ::com::sun::star::lang::Locale  aLocale;
    ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XCharacterClassification >    xCC;
    ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xSMgr;
    mutable ::osl::Mutex        aMutex;

public:
    /// Preferred ctor with service manager specified
    CharClass(
        const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > & xSF,
        const ::com::sun::star::lang::Locale& rLocale);

    /// Depricated ctor, tries to get a process service manager or to load the
    /// library directly.
    CharClass(const ::com::sun::star::lang::Locale& rLocale);

    ~CharClass();

    /// set a new Locale
    void setLocale( const ::com::sun::star::lang::Locale& rLocale );

    /// get current Locale
    const ::com::sun::star::lang::Locale& getLocale() const;


    /// isdigit() on ascii values
    static inline sal_Bool isAsciiDigit( sal_Unicode c )
    {
        return c < 128 ? sal_Bool(isdigit( (unsigned char) c ) != 0) : sal_False;
    }

    /// isalpha() on ascii values
    static inline sal_Bool isAsciiAlpha( sal_Unicode c )
    {
        return c < 128 ? sal_Bool(isalpha( (unsigned char) c ) != 0) : sal_False;
    }

    /// isalnum() on ascii values
    static inline sal_Bool isAsciiAlphaNumeric( sal_Unicode c )
    {
        return c < 128 ? sal_Bool(isalnum( (unsigned char) c ) != 0) : sal_False;
    }

    /// isdigit() on ascii values of entire string
    static sal_Bool isAsciiNumeric( const String& rStr );

    /// isalpha() on ascii values of entire string
    static sal_Bool isAsciiAlpha( const String& rStr );

    /// isalnum() on ascii values of entire string
    static sal_Bool isAsciiAlphaNumeric( const String& rStr );

    /// whether type is pure alpha or not, e.g. return of getStringType
    static inline sal_Bool isAlphaType( sal_Int32 nType )
    {
        return ((nType & nCharClassAlphaType) != 0) &&
            ((nType & ~(nCharClassAlphaTypeMask)) == 0);
    }

    /// whether type is pure numeric or not, e.g. return of getStringType
    static inline sal_Bool isNumericType( sal_Int32 nType )
    {
        return ((nType & nCharClassNumericType) != 0) &&
            ((nType & ~(nCharClassNumericTypeMask)) == 0);
    }

    /// whether type is pure alphanumeric or not, e.g. return of getStringType
    static inline sal_Bool isAlphaNumericType( sal_Int32 nType )
    {
        return ((nType & (nCharClassAlphaType |
            nCharClassNumericType)) != 0) &&
            ((nType & ~(nCharClassAlphaTypeMask |
            nCharClassNumericTypeMask)) == 0);
    }

    /// whether type is pure letter or not, e.g. return of getStringType
    static inline sal_Bool isLetterType( sal_Int32 nType )
    {
        return ((nType & nCharClassLetterType) != 0) &&
            ((nType & ~(nCharClassLetterTypeMask)) == 0);
    }

    /// whether type is pure letternumeric or not, e.g. return of getStringType
    static inline sal_Bool isLetterNumericType( sal_Int32 nType )
    {
        return ((nType & (nCharClassLetterType |
            nCharClassNumericType)) != 0) &&
            ((nType & ~(nCharClassLetterTypeMask |
            nCharClassNumericTypeMask)) == 0);
    }


    // Wrapper implementations of class CharacterClassification

    ::rtl::OUString uppercase( const ::rtl::OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const;
    ::rtl::OUString lowercase( const ::rtl::OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const;
    ::rtl::OUString titlecase( const ::rtl::OUString& rStr, sal_Int32 nPos, sal_Int32 nCount ) const;

    ::rtl::OUString uppercase( const ::rtl::OUString& _rStr ) const
    {
        return uppercase(_rStr, 0, _rStr.getLength());
    }
    ::rtl::OUString lowercase( const ::rtl::OUString& _rStr ) const
    {
        return lowercase(_rStr, 0, _rStr.getLength());
    }
    ::rtl::OUString titlecase( const ::rtl::OUString& _rStr ) const
    {
        return titlecase(_rStr, 0, _rStr.getLength());
    }

    sal_Int16 getType( const String& rStr, xub_StrLen nPos ) const;
    sal_Int16 getCharacterDirection( const String& rStr, xub_StrLen nPos ) const;
    sal_Int16 getScript( const String& rStr, xub_StrLen nPos ) const;
    sal_Int32 getCharacterType( const String& rStr, xub_StrLen nPos ) const;
    sal_Int32 getStringType( const String& rStr, xub_StrLen nPos, xub_StrLen nCount ) const;

    ::com::sun::star::i18n::ParseResult parseAnyToken(
                                    const String& rStr,
                                    sal_Int32 nPos,
                                    sal_Int32 nStartCharFlags,
                                    const String& userDefinedCharactersStart,
                                    sal_Int32 nContCharFlags,
                                    const String& userDefinedCharactersCont ) const;

    ::com::sun::star::i18n::ParseResult parsePredefinedToken(
                                    sal_Int32 nTokenType,
                                    const String& rStr,
                                    sal_Int32 nPos,
                                    sal_Int32 nStartCharFlags,
                                    const String& userDefinedCharactersStart,
                                    sal_Int32 nContCharFlags,
                                    const String& userDefinedCharactersCont ) const;


    // Functionality of class International methods

    sal_Bool isAlpha( const String& rStr, xub_StrLen nPos ) const;
    sal_Bool isLetter( const String& rStr, xub_StrLen nPos ) const;
    sal_Bool isDigit( const String& rStr, xub_StrLen nPos ) const;
    sal_Bool isAlphaNumeric( const String& rStr, xub_StrLen nPos ) const;
    sal_Bool isLetterNumeric( const String& rStr, xub_StrLen nPos ) const;
    sal_Bool isAlpha( const String& rStr ) const;
    sal_Bool isLetter( const String& rStr ) const;
    sal_Bool isNumeric( const String& rStr ) const;
    sal_Bool isAlphaNumeric( const String& rStr ) const;
    sal_Bool isLetterNumeric( const String& rStr ) const;
};

#endif // _UNOTOOLS_CHARCLASS_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */