variant_timestamp.c

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#include <stdlib.h>
 
#include <amxc_variant_priv.h>
 
static int variant_ts_init(amxc_var_t* const var) {
    return amxc_ts_parse(&var->data.ts, "0001-01-01T00:00:00Z", 20);
}
 
 
static int variant_ts_to_string(amxc_var_t* const dest,
                                const amxc_var_t* const src) {
    int retval = -1;
    dest->data.s = (char*) calloc(40, sizeof(char));
 
    when_null(dest->data.s, exit);
 
    retval = amxc_ts_format(&src->data.ts, dest->data.s, 40);
    retval = retval != 0 ? 0 : -1;
 
exit:
    return retval;
}
 
static int variant_ts_to_int(amxc_var_t* const dest,
                             const amxc_var_t* const src) {
    dest->data.i64 = src->data.ts.sec;
    return 0;
}
 
static int variant_ts_to_double(amxc_var_t* const dest,
                                const amxc_var_t* const src) {
    dest->data.d = src->data.ts.sec + src->data.ts.nsec / 1000000000;
    return 0;
}
 
static int variant_ts_convert_to(amxc_var_t* const dest,
                                 const amxc_var_t* const src) {
    int retval = -1;
 
    amxc_var_convert_fn_t convfn[AMXC_VAR_ID_CUSTOM_BASE] = {
        amxc_var_default_convert_to_null,       // NULL
        variant_ts_to_string,                   // cstring_t
        NULL,                                   // int8_t
        NULL,                                   // int16_t
        NULL,                                   // int32_t
        variant_ts_to_int,                      // int64_t
        NULL,                                   // uint8_t
        NULL,                                   // uint16_t
        NULL,                                   // uint32_t
        NULL,                                   // uint64_t
        NULL,                                   // float
        variant_ts_to_double,                   // double
        NULL,                                   // bool
        amxc_var_default_convert_to_list,       // amxc_llist_t
        amxc_var_default_convert_to_htable,     // amxc_htable_t
        NULL,                                   // fd_t
        amxc_var_default_copy,                  // amxc_ts_t
        variant_ts_to_string,                   // csvstring_t
        variant_ts_to_string,                   // ssvstring_t
        amxc_var_default_copy,                  // any
    };
 
    if(dest->type_id >= AMXC_VAR_ID_CUSTOM_BASE) {
        goto exit;
    }
 
    if(convfn[dest->type_id] != NULL) {
        if(dest->type_id == AMXC_VAR_ID_ANY) {
            amxc_var_set_type(dest, AMXC_VAR_ID_TIMESTAMP);
        }
        retval = convfn[dest->type_id](dest, src);
    }
 
exit:
    return retval;
}
 
static int variant_ts_compare(const amxc_var_t* const lval,
                              const amxc_var_t* const rval,
                              int* const result) {
    *result = amxc_ts_compare(&lval->data.ts, &rval->data.ts);
 
    return 0;
}
 
static amxc_var_type_t amxc_variant_ts = {
    .init = variant_ts_init,
    .del = NULL,
    .copy = amxc_var_default_copy,
    .move = amxc_var_default_move,
    .convert_from = NULL,
    .convert_to = variant_ts_convert_to,
    .compare = variant_ts_compare,
    .get_key = NULL,
    .set_key = NULL,
    .get_index = NULL,
    .set_index = NULL,
    .type_id = 0,
    .hit = { .ait = NULL, .key = NULL, .next = NULL },
    .name = AMXC_VAR_NAME_TIMESTAMP
};
 
CONSTRUCTOR static void amxc_var_ts_init(void) {
    amxc_var_add_type(&amxc_variant_ts, AMXC_VAR_ID_TIMESTAMP);
}
 
DESTRUCTOR static void amxc_var_ts_cleanup(void) {
    amxc_var_remove_type(&amxc_variant_ts);
}
 
int amxc_var_set_amxc_ts_t(amxc_var_t* var, amxc_ts_t* ts) {
    int retval = -1;
    when_null(var, exit);
    when_null(ts, exit);
 
    amxc_var_set_type(var, AMXC_VAR_ID_TIMESTAMP);
 
    var->data.ts.sec = ts->sec;
    var->data.ts.nsec = ts->nsec;
    var->data.ts.offset = ts->offset;
 
    retval = 0;
 
exit:
    return retval;
}
 
amxc_ts_t* amxc_var_get_amxc_ts_t(const amxc_var_t* var) {
    amxc_ts_t* ts = NULL;
    amxc_var_t variant;
    when_null(var, exit);
 
    amxc_var_init(&variant);
    when_failed(amxc_var_convert(&variant, var, AMXC_VAR_ID_TIMESTAMP), exit);
    ts = (amxc_ts_t*) calloc(1, sizeof(amxc_ts_t));
    when_null(ts, exit);
 
    ts->sec = variant.data.ts.sec;
    ts->nsec = variant.data.ts.nsec;
    ts->offset = variant.data.ts.offset;
 
    amxc_var_clean(&variant);
 
exit:
    return ts;
}
 
const amxc_ts_t* amxc_var_get_const_amxc_ts_t(const amxc_var_t* const var) {
    const amxc_ts_t* retval = NULL;
    when_null(var, exit);
    when_true(var->type_id != AMXC_VAR_ID_TIMESTAMP, exit);
 
    retval = &var->data.ts;
 
exit:
    return retval;
}
 
amxc_var_t* amxc_var_add_new_amxc_ts_t(amxc_var_t* const var, amxc_ts_t* ts) {
    amxc_var_t* subvar = NULL;
 
    when_null(var, exit);
    subvar = amxc_var_add_new(var);
    when_null(subvar, exit);
 
    if(ts == NULL) {
        amxc_var_set_type(subvar, AMXC_VAR_ID_TIMESTAMP);
    } else {
        if(amxc_var_set_amxc_ts_t(subvar, ts) != 0) {
            amxc_var_delete(&subvar);
        }
    }
 
exit:
    return subvar;
}
 
amxc_var_t* amxc_var_add_new_key_amxc_ts_t(amxc_var_t* const var,
                                           const char* key,
                                           amxc_ts_t* ts) {
    amxc_var_t* subvar = NULL;
 
    when_null(var, exit);
    subvar = amxc_var_add_new_key(var, key);
    when_null(subvar, exit);
 
    if(ts == NULL) {
        amxc_var_set_type(subvar, AMXC_VAR_ID_TIMESTAMP);
    } else {
        if(amxc_var_set_amxc_ts_t(subvar, ts) != 0) {
            amxc_var_delete(&subvar);
        }
    }
 
exit:
    return subvar;
}