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firebird-mirror/src/jrd/IntlUtil.h
2008-12-20 08:12:19 +00:00

90 lines
3.1 KiB
C++

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