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GitHub Repository: att/ast
 Path: blob/master/src/lib/libast/include/ccode.h
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1985-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                  David Korn <[email protected]>                   *

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*                   Phong Vo <[email protected]>                    *

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*                                                                      *

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***********************************************************************/

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#pragma prototyped

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/*

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 * Glenn Fowler

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 * AT&T Research

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 *

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 * character code map interface

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 *

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 * NOTE: used for mapping between 8-bit character encodings

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 *	 ISO character sets are handled by sfio

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 */

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#ifndef _CHARCODE_H

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#define _CHARCODE_H	1

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#include <ast_common.h>

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#include <ast_ccode.h>

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typedef struct Ccmap_s

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{

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	const char*	name;	/* code set name		*/

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	const char*	match;	/* strmatch() pattern		*/

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	const char*	desc;	/* code set description		*/

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	const char*	canon;	/* canonical name format	*/

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	const char*	index;	/* default index		*/

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	int		ccode;	/* <ccode.h> code index		*/

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	void*		data;	/* map specific data		*/

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} Ccmap_t;

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#if _BLD_ast && defined(__EXPORT__)

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#define extern		__EXPORT__

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#endif

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extern unsigned char*	_ccmap(int, int);

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extern void*		_ccmapcpy(unsigned char*, void*, const void*, size_t);

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extern void*		_ccmapstr(unsigned char*, void*, size_t);

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extern int		ccmapid(const char*);

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extern char*		ccmapname(int);

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extern void*		ccnative(void*, const void*, size_t);

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extern Ccmap_t*		ccmaplist(Ccmap_t*);

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#undef	extern

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#define CCOP(i,o)		((i)==(o)?0:(((o)<<8)|(i)))

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#define CCIN(x)			((x)&0xFF)

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#define CCOUT(x)		(((x)>>8)&0xFF)

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#define CCCONVERT(x)		((x)&0xFF00)

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#define CCCVT(x)		CCMAP(x,0)

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#define CCMAP(i,o)		((i)==(o)?(unsigned char*)0:_ccmap(i,o))

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#define CCMAPCHR(m,c)		((m)?(m)[c]:(c))

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#define CCMAPCPY(m,t,f,n)	((m)?_ccmapcpy(m,t,f,n):memcpy(t,f,n))

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#define CCMAPSTR(m,s,n)		((m)?_ccmapstr(m,s,n):(void*)(s))

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#define ccmap(i,o)		CCMAP(i,o)

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#define ccmapchr(m,c)		CCMAPCHR(m,c)

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#define ccmapcpy(m,t,f,n)	CCMAPCPY(m,t,f,n)

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#define ccmapstr(m,s,n)		CCMAPSTR(m,s,n)

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#define CCMAPC(c,i,o)		((i)==(o)?(c):CCMAP(i,o)[c])

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#define CCMAPM(t,f,n,i,o)	((i)==(o)?memcpy(t,f,n):_ccmapcpy(CCMAP(i,o),t,f,n))

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#define CCMAPS(s,n,i,o)		((i)==(o)?(void*)(s):_ccmapstr(CCMAP(i,o),s,n))

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#define ccmapc(c,i,o)		CCMAPC(c,i,o)

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#define ccmapm(t,f,n,i,o)	CCMAPM(t,f,n,i,o)

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#define ccmaps(s,n,i,o)		CCMAPS(s,n,i,o)

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#endif

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