mirror of
https://github.com/FirebirdSQL/firebird.git
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76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
/*
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* PROGRAM: Firebird International support
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* MODULE: cs_icu.cpp
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* DESCRIPTION: Character set definitions for ICU character sets.
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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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#include "firebird.h"
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#include "../intl/ldcommon.h"
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#include "cs_icu.h"
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#include "cv_icu.h"
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#include "unicode/ucnv.h"
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static void charset_destroy(charset* cs)
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{
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delete [] const_cast<ASCII*>(cs->charset_name);
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delete [] const_cast<BYTE*>(cs->charset_space_character);
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}
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bool CSICU_charset_init(charset* cs,
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const ASCII* charSetName)
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{
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UErrorCode status = U_ZERO_ERROR;
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UConverter* conv = ucnv_open(charSetName, &status);
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if (U_SUCCESS(status))
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{
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// charSetName comes from stack. Copy it.
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ASCII* p = new ASCII[strlen(charSetName) + 1];
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cs->charset_name = p;
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strcpy(p, charSetName);
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cs->charset_version = CHARSET_VERSION_1;
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cs->charset_flags |= CHARSET_ASCII_BASED;
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cs->charset_min_bytes_per_char = ucnv_getMinCharSize(conv);
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cs->charset_max_bytes_per_char = ucnv_getMaxCharSize(conv);
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cs->charset_fn_destroy = charset_destroy;
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cs->charset_fn_well_formed = NULL;
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const UChar unicodeSpace = 32;
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BYTE* p2 = new BYTE[cs->charset_max_bytes_per_char];
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cs->charset_space_character = p2;
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cs->charset_space_length = ucnv_fromUChars(conv, reinterpret_cast<char*>(p2),
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cs->charset_max_bytes_per_char, &unicodeSpace, 1, &status);
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fb_assert(U_SUCCESS(status));
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ucnv_close(conv);
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CVICU_convert_init(cs);
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}
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return U_SUCCESS(status);
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}
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