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#include "unicode_config.h"
#include "unicode.h"
#include "eastasianwidth.h"
#include "linebreaktab_internal.h"
#include <stdlib.h>
int unicode_wcwidth(unicode_char c)
{
size_t b=0;
size_t e=sizeof(unicode_wcwidth_tab)/sizeof(unicode_wcwidth_tab[0]);
while (b < e)
{
size_t n=b + (e-b)/2;
if (c >= unicode_wcwidth_tab[n][0])
{
if (c <= unicode_wcwidth_tab[n][1])
return 2;
b=n+1;
}
else
{
e=n;
}
}
switch (unicode_lb_lookup(c)) {
case UNICODE_LB_BK:
case UNICODE_LB_CR:
case UNICODE_LB_LF:
case UNICODE_LB_CM:
case UNICODE_LB_NL:
case UNICODE_LB_WJ:
case UNICODE_LB_ZW:
return 0;
default:
break;
}
return 1;
}
int unicode_isspace(unicode_char ch)
{
if (ch == 9)
return 1;
switch (unicode_lb_lookup(ch)) {
case UNICODE_LB_BK:
case UNICODE_LB_CR:
case UNICODE_LB_LF:
case UNICODE_LB_NL:
case UNICODE_LB_SP:
return 1;
}
return 0;
}
size_t unicode_wcwidth_str(const unicode_char *c)
{
size_t w=0;
while (*c)
w += unicode_wcwidth(*c++);
return w;
}
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