ciabatta/code/unicode/wctype.c

128 lines
2.5 KiB
C
Raw Normal View History

2022-06-16 07:49:46 +00:00
#include <wctype.h>
#include <string.h>
#include "unicode.h"
static inline int char_cat(wint_t wc) {
#define X(code, cat, l, u) case code: return cat;
switch(wc) {
UNI_TAB
}
#undef X
return -1;
}
int iswctype(wint_t wc, wctype_t desc) {
return desc(wc);
}
wctype_t wctype(const char *property) {
if(!strcmp(property, "alnum")) return iswalnum;
if(!strcmp(property, "alpha")) return iswalpha;
if(!strcmp(property, "blank")) return iswblank;
if(!strcmp(property, "cntrl")) return iswcntrl;
if(!strcmp(property, "digit")) return iswdigit;
if(!strcmp(property, "graph")) return iswgraph;
if(!strcmp(property, "lower")) return iswlower;
if(!strcmp(property, "print")) return iswprint;
if(!strcmp(property, "punct")) return iswpunct;
if(!strcmp(property, "space")) return iswspace;
if(!strcmp(property, "upper")) return iswupper;
if(!strcmp(property, "xdigit")) return iswxdigit;
return NULL;
}
wint_t towctrans(wint_t wc, wctrans_t desc) {
return desc(wc);
}
wctrans_t wctrans(const char *property) {
if(!strcmp(property, "tolower")) return towlower;
if(!strcmp(property, "toupper")) return towupper;
return NULL;
}
int iswalnum(wint_t wc) {
return iswalpha(wc) || iswdigit(wc);
}
int iswalpha(wint_t wc) {
return iswupper(wc) || iswlower(wc);
}
int iswblank(wint_t wc) {
return wc == ' ' || wc == '\t';
}
int iswcntrl(wint_t wc) {
return char_cat(wc) == Cc;
}
int iswdigit(wint_t wc) {
return '0' <= wc && wc <= '9';
}
int iswgraph(wint_t wc) {
return iswprint(wc) && !iswspace(wc);
}
int iswlower(wint_t wc) {
return char_cat(wc) == Ll;
}
int iswprint(wint_t wc) {
switch(char_cat(wc)) {
case Cc:
case Cf:
case Co:
case Cs:
return 0;
}
return 1;
}
int iswpunct(wint_t wc) {
switch(char_cat(wc)) {
case Pc:
case Pd:
case Pe:
case Pf:
case Pi:
case Po:
case Ps:
return 1;
}
return 0;
}
int iswspace(wint_t wc) {
return char_cat(wc) == Zs;
}
int iswupper(wint_t wc) {
return char_cat(wc) == Lu;
}
int iswxdigit(wint_t wc) {
return iswdigit(wc) || ('a'<=wc && wc<='f') || ('A'<= wc && wc<='F');
}
wint_t towlower(wint_t wc) {
#define X(code, cat, l, u) case code: return l;
switch(wc) {
UNI_TAB
}
#undef X
return wc;
}
wint_t towupper(wint_t wc) {
#define X(code, cat, l, u) case code: return u;
switch(wc) {
UNI_TAB
}
#undef X
return wc;
}