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/*
* Copyright (C) 2003-2015 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "Util.hxx"
#include "util/WritableBuffer.hxx"
#include "util/ConstBuffer.hxx"
#include <unicode/ustring.h>
#include <assert.h>
#include <string.h>
WritableBuffer<UChar>
UCharFromUTF8(const char *src)
{
assert(src != nullptr);
const size_t src_length = strlen(src);
const size_t dest_capacity = src_length;
UChar *dest = new UChar[dest_capacity];
UErrorCode error_code = U_ZERO_ERROR;
int32_t dest_length;
u_strFromUTF8(dest, dest_capacity, &dest_length,
src, src_length,
&error_code);
if (U_FAILURE(error_code)) {
delete[] dest;
return nullptr;
}
return { dest, size_t(dest_length) };
}
WritableBuffer<char>
UCharToUTF8(ConstBuffer<UChar> src)
{
assert(!src.IsNull());
/* worst-case estimate */
size_t dest_capacity = 4 * src.size;
char *dest = new char[dest_capacity];
UErrorCode error_code = U_ZERO_ERROR;
int32_t dest_length;
u_strToUTF8(dest, dest_capacity, &dest_length, src.data, src.size,
&error_code);
if (U_FAILURE(error_code)) {
delete[] dest;
return nullptr;
}
return { dest, size_t(dest_length) };
}
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