usr/src/lib/libast/common/include/ccode.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23
  24 /*
  25  * Glenn Fowler
  26  * AT&T Research
  27  *
  28  * character code map interface
  29  *
  30  * NOTE: used for mapping between 8-bit character encodings
  31  *       ISO character sets are handled by sfio
  32  */
  33
  34 #ifndef _CHARCODE_H
  35 #define _CHARCODE_H     1
  36
  37 #include <ast_common.h>
  38 #include <ast_ccode.h>
  39
  40 typedef struct Ccmap_s
  41 {
  42         const char*     name;   /* code set name                */
  43         const char*     match;  /* strmatch() pattern           */
  44         const char*     desc;   /* code set description         */
  45         const char*     canon;  /* canonical name format        */
  46         const char*     index;  /* default index                */
  47         int             ccode;  /* <ccode.h> code index         */
  48         void*           data;   /* map specific data            */
  49 } Ccmap_t;
  50
  51 #if _BLD_ast && defined(__EXPORT__)
  52 #define extern          __EXPORT__
  53 #endif
  54
  55 extern unsigned char*   _ccmap(int, int);
  56 extern void*            _ccmapcpy(unsigned char*, void*, const void*, size_t);
  57 extern void*            _ccmapstr(unsigned char*, void*, size_t);
  58
  59 extern int              ccmapid(const char*);
  60 extern char*            ccmapname(int);
  61 extern void*            ccnative(void*, const void*, size_t);
  62 extern Ccmap_t*         ccmaplist(Ccmap_t*);
  63
  64 #undef  extern
  65
  66 #define CCOP(i,o)               ((i)==(o)?0:(((o)<<8)|(i)))
  67 #define CCIN(x)                 ((x)&0xFF)
  68 #define CCOUT(x)                (((x)>>8)&0xFF)
  69 #define CCCONVERT(x)            ((x)&0xFF00)
  70
  71 #define CCCVT(x)                CCMAP(x,0)
  72 #define CCMAP(i,o)              ((i)==(o)?(unsigned char*)0:_ccmap(i,o))
  73 #define CCMAPCHR(m,c)           ((m)?(m)[c]:(c))
  74 #define CCMAPCPY(m,t,f,n)       ((m)?_ccmapcpy(m,t,f,n):memcpy(t,f,n))
  75 #define CCMAPSTR(m,s,n)         ((m)?_ccmapstr(m,s,n):(void*)(s))
  76
  77 #define ccmap(i,o)              CCMAP(i,o)
  78 #define ccmapchr(m,c)           CCMAPCHR(m,c)
  79 #define ccmapcpy(m,t,f,n)       CCMAPCPY(m,t,f,n)
  80 #define ccmapstr(m,s,n)         CCMAPSTR(m,s,n)
  81
  82 #define CCMAPC(c,i,o)           ((i)==(o)?(c):CCMAP(i,o)[c])
  83 #define CCMAPM(t,f,n,i,o)       ((i)==(o)?memcpy(t,f,n):_ccmapcpy(CCMAP(i,o),t,f,n))
  84 #define CCMAPS(s,n,i,o)         ((i)==(o)?(void*)(s):_ccmapstr(CCMAP(i,o),s,n))
  85
  86 #define ccmapc(c,i,o)           CCMAPC(c,i,o)
  87 #define ccmapm(t,f,n,i,o)       CCMAPM(t,f,n,i,o)
  88 #define ccmaps(s,n,i,o)         CCMAPS(s,n,i,o)
  89
  90 #endif