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#include "variant.h"
#include <stdio.h>
#include <string.h>
void variant_display(const struct variant *e)
{
switch (e->type)
{
case (TYPE_INT):
printf("%d\n", e->value.int_v);
break;
case (TYPE_FLOAT):
printf("%f\n", e->value.float_v);
break;
case (TYPE_CHAR):
printf("%c\n", e->value.char_v);
break;
default:
printf("%s\n", e->value.str_v);
break;
}
}
bool variant_equal(const struct variant *left, const struct variant *right)
{
if (left == NULL || right == NULL)
{
return true;
}
switch (left->type)
{
case (TYPE_INT):
if (right->type != TYPE_INT)
{
return false;
}
return left->value.int_v == right->value.int_v;
case (TYPE_FLOAT):
if (right->type != TYPE_FLOAT)
{
return false;
}
return left->value.float_v == right->value.float_v;
case (TYPE_CHAR):
if (right->type != TYPE_CHAR)
{
return false;
}
return left->value.char_v == right->value.char_v;
default:
if (right->type != TYPE_STRING)
{
return false;
}
return strcmp(left->value.str_v, right->value.str_v) == 0;
}
}
int variant_find(const struct variant *array, size_t len, enum type type,
union type_any value)
{
size_t i;
struct variant cmp = { type, value };
for (i = 0; i < len && variant_equal(array + i, &cmp) == false; i++)
{
continue;
}
if (i == len)
{
return -1;
}
return i;
}
float variant_sum(const struct variant *array, size_t len)
{
if (array == NULL)
{
return 0;
}
float sum = 0;
for (size_t i = 0; i < len; i++)
{
if (array[i].type == TYPE_FLOAT)
{
sum += array[i].value.float_v;
}
else if (array[i].type == TYPE_INT)
{
sum += array[i].value.int_v;
}
}
return sum;
}
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