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/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1985-2009 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
*
* 8 bit character code map name/id lookup support
*/
#include <ast.h>
#include <ccode.h>
#include <ctype.h>
static const Ccmap_t maps[] =
{
{
"ascii",
"a|ascii|?(iso)?(-)646|?(iso)?(-)8859|latin",
"8 bit ascii",
"ISO-8859-%s",
"1",
CC_ASCII,
},
{
"ebcdic",
"e|ebcdic?(-)?([1e])",
"X/Open ebcdic",
"EBCDIC",
0,
CC_EBCDIC_E,
},
{
"ebcdic-o",
"o|ebcdic?(-)[3o]|?(cp|ibm)1047|open?(-)edition",
"mvs OpenEdition ebcdic",
"EBCDIC-O",
0,
CC_EBCDIC_O,
},
{
"ebcdic-h",
"h|ebcdic?(-)h|?(cp|ibm)?(00)37|[oa]s?(/-)400",
"ibm OS/400 AS/400 ebcdic",
"EBCDIC-H",
0,
CC_EBCDIC_H,
},
{
"ebcdic-s",
"s|ebcdic?(-)s|siemens|posix-bc",
"siemens posix-bc ebcdic",
"EBCDIC-S",
0,
CC_EBCDIC_S,
},
{
"ebcdic-i",
"i|ebcdic?(-)[2i]|ibm",
"X/Open ibm ebcdic (not idempotent)",
"EBCDIC-I",
0,
CC_EBCDIC_I,
},
{
"ebcdic-m",
"m|ebcdic?(-)m|mvs",
"mvs ebcdic",
"EBCDIC-M",
0,
CC_EBCDIC_M,
},
{
"ebcdic-u",
"u|ebcdic?(-)(u|mf)|microfocus",
"microfocus cobol ebcdic",
"EBCDIC-U",
0,
CC_EBCDIC_U,
},
{
"native",
"n|native|local",
"native code set",
0,
0,
CC_NATIVE,
},
{ 0 },
};
/*
* ccode map list iterator
*/
Ccmap_t*
ccmaplist(Ccmap_t* mp)
{
return !mp ? (Ccmap_t*)maps : (++mp)->name ? mp : (Ccmap_t*)0;
}
/*
* return ccode map id given name
*/
int
ccmapid(const char* name)
{
register const Ccmap_t* mp;
register int c;
const Ccmap_t* bp;
int n;
int sub[2];
bp = 0;
n = 0;
for (mp = maps; mp->name; mp++)
if (strgrpmatch(name, mp->match, sub, elementsof(sub) / 2, STR_MAXIMAL|STR_LEFT|STR_ICASE))
{
if (!(c = name[sub[1]]))
return mp->ccode;
if (sub[1] > n && !isalpha(c))
{
n = sub[1];
bp = mp;
}
}
return bp ? bp->ccode : -1;
}
/*
* return ccode map name given id
*/
char*
ccmapname(register int id)
{
register const Ccmap_t* mp;
for (mp = maps; mp->name; mp++)
if (id == mp->ccode)
return (char*)mp->name;
return 0;
}
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