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 91