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83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/*
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* PROGRAM: JRD International support
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* MODULE: unicode_util.h
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* DESCRIPTION: Unicode 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) 2004 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_UNICODE_UTIL_H
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#define JRD_UNICODE_UTIL_H
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#include "intlobj_new.h"
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namespace Jrd {
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class UnicodeUtil
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{
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public:
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// routines equivalent with intlobj_new.h
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static USHORT utf16KeyLength(USHORT len); // BOCU-1
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static USHORT utf16ToKey(USHORT srcLen, const USHORT* src, USHORT dstLen, UCHAR* dst,
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USHORT key_type); // BOCU-1
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static ULONG utf16LowerCase(ULONG srcLen, const USHORT* src, ULONG dstLen, USHORT* dst);
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static ULONG utf16UpperCase(ULONG srcLen, const USHORT* src, ULONG dstLen, USHORT* dst);
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static ULONG utf16ToUtf8(ULONG srcLen, const USHORT* src, ULONG dstLen, UCHAR* dst,
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USHORT* err_code, ULONG* err_position);
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static ULONG utf8ToUtf16(ULONG srcLen, const UCHAR* src, ULONG dstLen, USHORT* dst,
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USHORT* err_code, ULONG* err_position);
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static ULONG utf16ToUtf32(ULONG srcLen, const USHORT* src, ULONG dstLen, ULONG* dst,
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USHORT* err_code, ULONG* err_position);
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static ULONG utf32ToUtf16(ULONG srcLen, const ULONG* src, ULONG dstLen, USHORT* dst,
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USHORT* err_code, ULONG* err_position);
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static SSHORT utf16Compare(ULONG len1, const USHORT* str1, ULONG len2, const USHORT* str2,
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INTL_BOOL* error_flag);
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static ULONG utf16Length(ULONG len, const USHORT* str);
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static ULONG utf16Substring(ULONG srcLen, const USHORT* src, ULONG dstLen, USHORT* dst,
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ULONG startPos, ULONG length);
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static INTL_BOOL utf8WellFormed(ULONG len, const UCHAR* str, ULONG* offending_position);
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static INTL_BOOL utf16WellFormed(ULONG len, const USHORT* str, ULONG* offending_position);
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static INTL_BOOL utf32WellFormed(ULONG len, const ULONG* str, ULONG* offending_position);
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class Utf16Collation
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{
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public:
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static Utf16Collation* create(const char* locale);
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~Utf16Collation();
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USHORT keyLength(USHORT len);
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USHORT stringToKey(USHORT srcLen, const USHORT* src, USHORT dstLen, UCHAR* dst,
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USHORT key_type);
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SSHORT compare(ULONG len1, const USHORT* str1, ULONG len2, const USHORT* str2,
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INTL_BOOL* error_flag);
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private:
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void* collator;
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};
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};
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} // namespace Jrd
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#endif // JRD_UNICODE_UTIL_H
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