tomo/stdlib/bools.c

58 lines
1.6 KiB
C

// Boolean methods/type info
#include <ctype.h>
#include <err.h>
#include <gc.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/param.h>
#include "bools.h"
#include "optionals.h"
#include "text.h"
#include "util.h"
PUREFUNC public Text_t Bool$as_text(const void *b, bool colorize, const TypeInfo_t*)
{
if (!b) return Text("Bool");
if (colorize)
return *(Bool_t*)b ? Text("\x1b[35myes\x1b[m") : Text("\x1b[35mno\x1b[m");
else
return *(Bool_t*)b ? Text("yes") : Text("no");
}
PUREFUNC public OptionalBool_t Bool$parse(Text_t text)
{
if (Text$equal_ignoring_case(text, Text("yes"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("on"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("true"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("1"), NONE_TEXT)) {
return yes;
} else if (Text$equal_ignoring_case(text, Text("no"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("off"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("false"), NONE_TEXT)
|| Text$equal_ignoring_case(text, Text("0"), NONE_TEXT)) {
return no;
} else {
return NONE_BOOL;
}
}
static bool Bool$is_none(const void *b, const TypeInfo_t*)
{
return *(OptionalBool_t*)b == NONE_BOOL;
}
static const metamethods_t Bool$metamethods = {
.as_text=Bool$as_text,
.is_none=Bool$is_none,
};
public const TypeInfo_t Bool$info = {
.size=sizeof(bool),
.align=__alignof__(bool),
.metamethods=Bool$metamethods,
};
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0