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/******************************************************************************\
* Copyright (c) 2016, Robert van Engelen, Genivia Inc. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions are met: *
* *
* (1) Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* (2) Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* *
* (3) The name of the author may not be used to endorse or promote products *
* derived from this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO *
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR *
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF *
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
\******************************************************************************/
/**
@file unicode.h
@brief Get Unicode character class ranges and UTF-8 regex translations
@author Robert van Engelen - engelen@genivia.com
@copyright (c) 2016-2025, Robert van Engelen, Genivia Inc. All rights reserved.
@copyright (c) BSD-3 License - see LICENSE.txt
*/
#ifndef REFLEX_UNICODE_H
#define REFLEX_UNICODE_H
#include <reflex/posix.h>
namespace reflex {
namespace Unicode {
class Tables : public Posix::Tables {
public:
Tables();
typedef std::map<int,const int*> Compose;
Compose compose;
static int toupper(int c);
static int tolower(int c);
private:
void block_scripts();
void language_scripts();
void letter_scripts();
void composer();
};
/// Return table entry pointer to [lo,hi] range of characters for the given Unicode class name, or return NULL
const int * range(const char *);
/// Normalize Unicode by composition of prev and next characters into one, or return -1
int compose(int, int);
/// Unicode translations between lower case and upper case letters
int toupper(int c);
int tolower(int c);
int invcase(int c);
} // namespace Unicode
} // namespace reflex
#endif
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