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Use locale for character classes instead of hardcoded values

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Misc 8bit cleanup
This commit is contained in:
Andrey A. Chernov 1996-08-11 11:42:03 +00:00
parent 67750f0be2
commit b5363c4a3b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=17508
4 changed files with 89 additions and 37 deletions
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44
lib/libc/regex/cclass.h
View file

@ -37,34 +37,26 @@
* @(#)cclass.h 8.3 (Berkeley) 3/20/94
*/
typedef enum {CALNUM, CALPHA, CBLANK, CCNTRL, CDIGIT, CGRAPH,
CLOWER, CPRINT, CPUNCT, CSPACE, CUPPER, CXDIGIT} citype;
/* character-class table */
static struct cclass {
char *name;
char *chars;
char *multis;
citype fidx;
} cclasses[] = {
{"alnum", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789", ""},
{"alpha", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
""},
{"blank", " \t", ""},
{"cntrl", "\007\b\t\n\v\f\r\1\2\3\4\5\6\16\17\20\21\22\23\24\
\25\26\27\30\31\32\33\34\35\36\37\177", ""},
{"digit", "0123456789", ""},
{"graph", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
""},
{"lower", "abcdefghijklmnopqrstuvwxyz",
""},
{"print", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\
0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~ ",
""},
{"punct", "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~",
""},
{"space", "\t\n\v\f\r ", ""},
{"upper", "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
""},
{"xdigit", "0123456789ABCDEFabcdef",
""},
{NULL, 0, ""}
{"alnum", CALNUM},
{"alpha", CALPHA},
{"blank", CBLANK},
{"cntrl", CCNTRL},
{"digit", CDIGIT},
{"graph", CGRAPH},
{"lower", CLOWER},
{"print", CPRINT},
{"punct", CPUNCT},
{"space", CSPACE},
{"upper", CUPPER},
{"xdigit", CXDIGIT},
{NULL, }
};

2
lib/libc/regex/engine.c
View file

@ -1072,7 +1072,7 @@ int ch;
{
static char pbuf[10];
if (isprint(ch) || ch == ' ')
if (isprint((uch)ch) || ch == ' ')
sprintf(pbuf, "%c", ch);
else
sprintf(pbuf, "\\%o", ch);

72
lib/libc/regex/regcomp.c
View file

@ -816,13 +816,12 @@ p_b_cclass(p, cs)
register struct parse *p;
register cset *cs;
{
register int c;
register char *sp = p->next;
register struct cclass *cp;
register size_t len;
register char *u;
register char c;
while (MORE() && isalpha((unsigned char)PEEK()))
while (MORE() && isalpha((uch)PEEK()))
NEXT();
len = p->next - sp;
for (cp = cclasses; cp->name != NULL; cp++)
@ -834,11 +833,72 @@ register cset *cs;
return;
}
u = cp->chars;
while ((c = *u++) != '\0')
CHadd(cs, c);
switch (cp->fidx) {
case CALNUM:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isalnum((uch)c))
CHadd(cs, c);
break;
case CALPHA:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isalpha((uch)c))
CHadd(cs, c);
break;
case CBLANK:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isblank((uch)c))
CHadd(cs, c);
break;
case CCNTRL:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (iscntrl((uch)c))
CHadd(cs, c);
break;
case CDIGIT:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isdigit((uch)c))
CHadd(cs, c);
break;
case CGRAPH:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isgraph((uch)c))
CHadd(cs, c);
break;
case CLOWER:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (islower((uch)c))
CHadd(cs, c);
break;
case CPRINT:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isprint((uch)c))
CHadd(cs, c);
break;
case CPUNCT:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (ispunct((uch)c))
CHadd(cs, c);
break;
case CSPACE:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isspace((uch)c))
CHadd(cs, c);
break;
case CUPPER:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isupper((uch)c))
CHadd(cs, c);
break;
case CXDIGIT:
for (c = CHAR_MIN; c <= CHAR_MAX; c++)
if (isxdigit((uch)c))
CHadd(cs, c);
break;
}
#if 0
for (u = cp->multis; *u != '\0'; u += strlen(u) + 1)
MCadd(p, cs, u);
#endif
}
/*

8
lib/libc/regex/regex2.h
View file

@ -121,13 +121,13 @@ typedef long sopno;
typedef struct {
uch *ptr; /* -> uch [csetsize] */
uch mask; /* bit within array */
uch hash; /* hash code */
short hash; /* hash code */
size_t smultis;
char *multis; /* -> char[smulti] ab\0cd\0ef\0\0 */
} cset;
/* note that CHadd and CHsub are unsafe, and CHIN doesn't yield 0/1 */
#define CHadd(cs, c) ((cs)->ptr[(uch)(c)] |= (cs)->mask, (cs)->hash += (c))
#define CHsub(cs, c) ((cs)->ptr[(uch)(c)] &= ~(cs)->mask, (cs)->hash -= (c))
#define CHadd(cs, c) ((cs)->ptr[(uch)(c)] |= (cs)->mask, (cs)->hash += (uch)(c))
#define CHsub(cs, c) ((cs)->ptr[(uch)(c)] &= ~(cs)->mask, (cs)->hash -= (uch)(c))
#define CHIN(cs, c) ((cs)->ptr[(uch)(c)] & (cs)->mask)
#define MCadd(p, cs, cp) mcadd(p, cs, cp) /* regcomp() internal fns */
#define MCsub(p, cs, cp) mcsub(p, cs, cp)
@ -170,4 +170,4 @@ struct re_guts {
/* misc utilities */
#define OUT (CHAR_MAX+1) /* a non-character value */
#define ISWORD(c) (isalnum(c) || (c) == '_')
#define ISWORD(c) (isalnum((uch)(c)) || (c) == '_')