/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2010 AT&T Intellectual Property *
* and is licensed under the *
* Common Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.opensource.org/licenses/cpl1.0.txt *
* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Phong Vo <kpv@research.att.com> *
* *
***********************************************************************/
#pragma prototyped
/*
* Glenn Fowler
* AT&T Research
*
* character code map interface
*
* NOTE: used for mapping between 8-bit character encodings
* ISO character sets are handled by sfio
*/
#ifndef _CHARCODE_H
#define _CHARCODE_H 1
#include <ast_common.h>
#include <ast_ccode.h>
typedef struct Ccmap_s
{
const char* name; /* code set name */
const char* match; /* strmatch() pattern */
const char* desc; /* code set description */
const char* canon; /* canonical name format */
const char* index; /* default index */
int ccode; /* <ccode.h> code index */
void* data; /* map specific data */
} Ccmap_t;
#if _BLD_ast && defined(__EXPORT__)
#define extern __EXPORT__
#endif
extern unsigned char* _ccmap(int, int);
extern void* _ccmapcpy(unsigned char*, void*, const void*, size_t);
extern void* _ccmapstr(unsigned char*, void*, size_t);
extern int ccmapid(const char*);
extern char* ccmapname(int);
extern void* ccnative(void*, const void*, size_t);
extern Ccmap_t* ccmaplist(Ccmap_t*);
#undef extern
#define CCOP(i,o) ((i)==(o)?0:(((o)<<8)|(i)))
#define CCIN(x) ((x)&0xFF)
#define CCOUT(x) (((x)>>8)&0xFF)
#define CCCONVERT(x) ((x)&0xFF00)
#define CCCVT(x) CCMAP(x,0)
#define CCMAP(i,o) ((i)==(o)?(unsigned char*)0:_ccmap(i,o))
#define CCMAPCHR(m,c) ((m)?(m)[c]:(c))
#define CCMAPCPY(m,t,f,n) ((m)?_ccmapcpy(m,t,f,n):memcpy(t,f,n))
#define CCMAPSTR(m,s,n) ((m)?_ccmapstr(m,s,n):(void*)(s))
#define ccmap(i,o) CCMAP(i,o)
#define ccmapchr(m,c) CCMAPCHR(m,c)
#define ccmapcpy(m,t,f,n) CCMAPCPY(m,t,f,n)
#define ccmapstr(m,s,n) CCMAPSTR(m,s,n)
#define CCMAPC(c,i,o) ((i)==(o)?(c):CCMAP(i,o)[c])
#define CCMAPM(t,f,n,i,o) ((i)==(o)?memcpy(t,f,n):_ccmapcpy(CCMAP(i,o),t,f,n))
#define CCMAPS(s,n,i,o) ((i)==(o)?(void*)(s):_ccmapstr(CCMAP(i,o),s,n))
#define ccmapc(c,i,o) CCMAPC(c,i,o)
#define ccmapm(t,f,n,i,o) CCMAPM(t,f,n,i,o)
#define ccmaps(s,n,i,o) CCMAPS(s,n,i,o)
#endif