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90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
/*
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* PROGRAM: JRD International support
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* MODULE: IntlUtil.h
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* DESCRIPTION: INTL Utility functions
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*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Adriano dos Santos Fernandes
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2006 Adriano dos Santos Fernandes <adrianosf@uol.com.br>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef JRD_INTLUTIL_H
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#define JRD_INTLUTIL_H
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#include "../common/classes/array.h"
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#include "../common/classes/GenericMap.h"
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#include "../common/classes/fb_string.h"
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#include "../jrd/intlobj_new.h"
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namespace Jrd
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{
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class CharSet;
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}
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namespace Firebird {
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class IntlUtil
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{
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public:
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typedef Pair<Full<string, string> > SpecificAttribute;
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typedef GenericMap<SpecificAttribute> SpecificAttributesMap;
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public:
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static string generateSpecificAttributes(Jrd::CharSet* cs, SpecificAttributesMap& map);
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static bool parseSpecificAttributes(
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Jrd::CharSet* cs, ULONG len, const UCHAR* s, SpecificAttributesMap* map);
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static string convertAsciiToUtf16(const string& ascii);
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static string convertUtf16ToAscii(const string& utf16, bool* error);
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static ULONG cvtAsciiToUtf16(csconvert* obj, ULONG nSrc, const UCHAR* pSrc,
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ULONG nDest, UCHAR* pDest, USHORT* err_code, ULONG* err_position);
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static ULONG cvtUtf16ToAscii(csconvert* obj, ULONG nSrc, const UCHAR* pSrc,
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ULONG nDest, UCHAR* pDest, USHORT* err_code, ULONG* err_position);
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static void initAsciiCharset(charset* cs);
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static void initConvert(csconvert* cvt, pfn_INTL_convert func);
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static void initNarrowCharset(charset* cs, const ASCII* name);
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static bool initUnicodeCollation(texttype* tt, charset* cs, const ASCII* name,
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USHORT attributes, const UCharBuffer& specificAttributes, const string& configInfo);
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static ULONG toLower(Jrd::CharSet* cs, ULONG srcLen, const UCHAR* src, ULONG dstLen, UCHAR* dst,
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const ULONG* exceptions);
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static ULONG toUpper(Jrd::CharSet* cs, ULONG srcLen, const UCHAR* src, ULONG dstLen, UCHAR* dst,
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const ULONG* exceptions);
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static bool readOneChar(Jrd::CharSet* cs, const UCHAR** s, const UCHAR* end, ULONG* size);
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static bool setupIcuAttributes(charset* cs, const string& specificAttributes,
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const string& configInfo, string& newSpecificAttributes);
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private:
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static string escapeAttribute(Jrd::CharSet* cs, const string& s);
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static string unescapeAttribute(Jrd::CharSet* cs, const string& s);
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static bool isAttributeEscape(Jrd::CharSet* cs, const UCHAR* s, ULONG size);
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static bool readAttributeChar(Jrd::CharSet* cs, const UCHAR** s, const UCHAR* end, ULONG* size,
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bool returnEscape);
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};
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} // namespace Firebird
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#endif // JRD_INTLUTIL_H
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