mastodont-c/src/json_helper.c

177 lines
4.0 KiB
C

/*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <mastodont_json_helper.h>
// UNIX timestamp, above but I don't care
#define TIMESTAMP_LEN 16
int _mstdnt_json_init(cJSON** root,
struct mstdnt_fetch_results* results,
struct mstdnt_storage* storage)
{
*root = cJSON_ParseWithLength(results->response, results->size);
storage->root = *root;
if (*root == NULL)
return 1;
storage->needs_cleanup = 1;
return 0;
}
int _mstdnt_key_val_ref(cJSON* v, struct _mstdnt_val_ref* refs,
size_t refs_len)
{
size_t i;
for (i = 0; i < refs_len; ++i)
{
if (v->string && strcmp(refs[i].key, v->string) == 0)
{
refs[i].handle(v, refs[i].val);
return 0;
}
}
return 1;
}
void _mstdnt_val_string_unix_call(cJSON* v, void* _type)
{
long conv;
time_t* type = _type;
char* endptr;
if (!cJSON_IsString(v))
{
*type = 0;
return;
}
// Convert string to long
conv = strtol(v->valuestring, &endptr, 10);
*type = v->valuestring != endptr ? conv : 0;
}
// Fuck you Gargron
void _mstdnt_val_string_uint_call(cJSON* v, void* _type)
{
long conv;
unsigned* type = _type;
char* endptr;
if (!cJSON_IsString(v))
{
*type = 0;
return;
}
// Convert string to long
conv = strtol(v->valuestring, &endptr, 10);
*type = v->valuestring != endptr ? conv : 0;
}
// Again, fuck you Gargron
void _mstdnt_val_string_int_call(cJSON* v, void* _type)
{
long conv;
int* type = _type;
char* endptr;
if (!cJSON_IsString(v))
{
*type = 0;
return;
}
// Convert string to long
conv = strtol(v->valuestring, &endptr, 10);
*type = v->valuestring != endptr ? conv : 0;
}
void _mstdnt_val_string_call(cJSON* v, void* _type)
{
char** type = _type;
if (!cJSON_IsString(v))
{
*type = NULL;
return;
}
*type = v->valuestring;
}
void _mstdnt_val_bool_call(cJSON* v, void* _type)
{
mstdnt_bool* type = _type;
if (!cJSON_IsBool(v))
{
*type = -1;
return;
}
*type = cJSON_IsTrue(v);
}
void _mstdnt_val_uint_call(cJSON* v, void* _type)
{
unsigned* type = _type;
if (!cJSON_IsNumber(v))
{
*type = 0;
return;
}
*type = v->valueint;
}
void _mstdnt_val_sint_call(cJSON* v, void* _type)
{
int* type = _type;
if (!cJSON_IsNumber(v))
{
*type = 0;
return;
}
*type = v->valueint;
}
int _mstdnt_key_val_iter(cJSON* v,
struct _mstdnt_str_val* str,
size_t str_len,
struct _mstdnt_bool_val* bools,
size_t bool_len)
{
size_t i;
if (str && cJSON_IsString(v))
{
for (i = 0; i < str_len; ++i)
{
if (strcmp(str[i].key, v->string) == 0)
{
*(str[i].key_ptr) = v->valuestring;
return 0;
}
}
}
if (bools && cJSON_IsBool(v))
{
for (i = 0; i < bool_len; ++i)
{
if (strcmp(bools[i].key, v->string) == 0)
{
*(bools[i].bool_ptr) = cJSON_IsTrue(v);
return 0;
}
}
}
return 1;
}