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eina: Add struct value reference

This commit is contained in:
Andy Williams 2017-11-16 08:53:54 +00:00
parent fb84558bde
commit 866bfc8a49
1 changed files with 71 additions and 0 deletions
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71
reference/c/eina/src/eina_value.c
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@ -70,6 +70,74 @@ _value_convert()
eina_value_flush(&int_val);
}
static Eina_Value_Struct_Desc *_STRUCT_DESC = NULL;
static void
_value_struct_define()
{
typedef struct _Struct {
int num;
char chr;
} Struct;
static Eina_Value_Struct_Member members[] = {
// no eina_value_type as they are not constant initializers, see below.
EINA_VALUE_STRUCT_MEMBER(NULL, Struct, num),
EINA_VALUE_STRUCT_MEMBER(NULL, Struct, chr)
};
members[0].type = EINA_VALUE_TYPE_INT;
members[1].type = EINA_VALUE_TYPE_CHAR;
static Eina_Value_Struct_Desc desc = {
EINA_VALUE_STRUCT_DESC_VERSION,
NULL, // no special operations
members,
EINA_C_ARRAY_LENGTH(members),
sizeof(Struct)
};
_STRUCT_DESC = &desc;
}
static void
_value_struct_rand(Eina_Value *val)
{
eina_value_struct_set(val, "num", rand());
eina_value_struct_set(val, "chr", 32 + rand() % 94);
// this parameter is not defined but does not error
eina_value_struct_set(val, "missing", rand());
}
static void
_value_struct_print(Eina_Value *struct_val)
{
int num;
char chr;
eina_value_struct_get(struct_val, "num", &num);
eina_value_struct_get(struct_val, "chr", &chr);
printf("Struct content\n");
printf(" num: %d\n", num);
printf(" chr: %c\n", chr);
if (eina_value_struct_get(struct_val, "missing", &num))
printf( "missing: %d\n", num);
}
static void
_value_struct()
{
Eina_Value *struct_val;
_value_struct_define();
struct_val = eina_value_struct_new(_STRUCT_DESC);
_value_struct_rand(struct_val);
_value_struct_print(struct_val);
eina_value_free(struct_val);
}
EAPI_MAIN void
efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
{
@ -80,6 +148,9 @@ efl_main(void *data EINA_UNUSED, const Efl_Event *ev EINA_UNUSED)
printf("\n");
_value_convert();
printf("\n");
_value_struct();
efl_exit(0);
}