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/*
** Copyright 2015 Double Precision, Inc.
** See COPYING for distribution information.
**
*/
#include "unicode_config.h"
#include "courier-unicode.h"
#include "categoriestab.h"
#include "linebreaktab_internal.h"
uint32_t unicode_category_lookup(char32_t ch)
{
return unicode_tab32_lookup(ch,
unicode_starting_indextab,
unicode_starting_pagetab,
sizeof(unicode_starting_indextab)/
sizeof(unicode_starting_indextab[0]),
unicode_rangetab,
sizeof(unicode_rangetab)/
sizeof(unicode_rangetab[0]),
unicode_classtab,
0);
}
int unicode_isspace(char32_t ch)
{
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 unicode_isblank(ch);
}
int unicode_isblank(char32_t ch)
{
if (ch == 9)
return 1;
if ((unicode_category_lookup(ch) & UNICODE_CATEGORY_2) ==
UNICODE_CATEGORY_2_SPACE)
return 1;
return 0;
}
int unicode_isalpha(char32_t ch)
{
return (unicode_category_lookup(ch) & UNICODE_CATEGORY_1) ==
UNICODE_CATEGORY_1_LETTER;
}
int unicode_isdigit(char32_t ch)
{
return unicode_category_lookup(ch) ==
(UNICODE_CATEGORY_1_NUMBER | UNICODE_CATEGORY_2_DIGIT);
}
int unicode_isalnum(char32_t ch)
{
return unicode_isalpha(ch) || unicode_isdigit(ch);
}
int unicode_isgraph(char32_t ch)
{
return (ch >= ' ' && !unicode_isspace(ch));
}
int unicode_ispunct(char32_t ch)
{
return (unicode_category_lookup(ch) & UNICODE_CATEGORY_1) ==
UNICODE_CATEGORY_1_PUNCTUATION;
}
int unicode_islower(char32_t ch)
{
return unicode_isalpha(ch) && ch == unicode_lc(ch);
}
int unicode_isupper(char32_t ch)
{
return unicode_isalpha(ch) && ch == unicode_uc(ch);
}
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