Revision 9e63a4ce7cd834bcb29b9fecb9c0f0763e2d171c authored by Eugene Sandulenko on 30 August 2020, 11:41:53 UTC, committed by Eugene Sandulenko on 30 August 2020, 11:43:37 UTC
1 parent 7cacf5c
utf8.h
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef SLUDGE_UTF8_H
#define SLUDGE_UTF8_H
#include "common/system.h"
#include "common/ustr.h"
namespace Sludge {
class UTF8Converter {
private:
static const uint32 offsetsFromUTF8[6];
/**
* we assume one character in a Common::String is one byte
* but in this case it's actually an UTF-8 string
*/
Common::String _str;
/**
* wrap a converted U32String
*/
Common::U32String _str32;
/** A tool function for string conversion
* return next character, updating an index variable
*/
static uint32 nextchar(const char *s, int *i);
/** A tool function for string conversion
* is this byte the start of a utf8 sequence?
*/
static inline bool isutf(char c) { return (((c)&0xC0)!=0x80); }
public:
/** Construct a new empty string. */
UTF8Converter() {};
/** Construct a UTF8String with original char array to convert */
UTF8Converter(const char *data);
/** U32 character index to origin char offset */
int getOriginOffset(int origIdx);
/**
* set a char array to this UTF8String
*/
void setUTF8String(Common::String str);
/**
* get converted U32String
*/
Common::U32String getU32String() const { return _str32; };
/**
* get origin UTF8String
*/
Common::String getUTF8String() const { return _str; };
/** Convert UTF8 String to UTF32 String
*/
static Common::U32String convertUtf8ToUtf32(const Common::String &str);
};
} // End of namespace Sludge
#endif
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