117 lines
3.6 KiB
C
117 lines
3.6 KiB
C
/*
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* Copyright (c) 2020 YuQing <384681@qq.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the Lesser GNU General Public License, version 3
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* or later ("LGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the Lesser GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <time.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include "fastcommon/logger.h"
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#include "fastcommon/shared_func.h"
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#include "fastcommon/json_parser.h"
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int main(int argc, char *argv[])
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{
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const bool decode_use_mpool = false;
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const int alloc_size_once = 1024;
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const int init_buff_size = 1024;
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int result;
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int json_type;
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fc_json_context_t json_ctx;
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char error_info[256];
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string_t input;
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BufferInfo buffer;
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const BufferInfo *output;
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if (argc < 2) {
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fprintf(stderr, "Usage: %s <json_string | json_array | json_map>\n",
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argv[0]);
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return EINVAL;
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}
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log_init();
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if ((result=fc_init_json_context_ex(&json_ctx, decode_use_mpool,
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alloc_size_once, init_buff_size, error_info,
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sizeof(error_info))) != 0)
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{
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return result;
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}
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memset(&buffer, 0, sizeof(buffer));
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input.str = argv[1];
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input.len = strlen(input.str);
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json_type = fc_detect_json_type(&input);
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if (json_type == FC_JSON_TYPE_ARRAY) {
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const fc_json_array_t *array;
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if ((array=fc_decode_json_array(&json_ctx, &input)) == NULL) {
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fprintf(stderr, "decode json array fail, %s\n", error_info);
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return fc_json_parser_get_error_no(&json_ctx);
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}
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if (decode_use_mpool) {
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output = fc_encode_json_array(&json_ctx,
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array->elements, array->count);
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result = fc_json_parser_get_error_no(&json_ctx);
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} else {
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output = &buffer;
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result = fc_encode_json_array_ex(&json_ctx,
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array->elements, array->count, &buffer);
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}
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if (result != 0) {
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fprintf(stderr, "encode json array fail, %s\n", error_info);
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return result;
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}
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printf("%.*s\n", output->length, output->buff);
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fc_free_buffer(&buffer);
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} else if (json_type == FC_JSON_TYPE_MAP) {
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const fc_json_map_t *map;
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if ((map=fc_decode_json_map(&json_ctx, &input)) == NULL) {
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fprintf(stderr, "decode json map fail, %s\n", error_info);
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return fc_json_parser_get_error_no(&json_ctx);
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}
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if (decode_use_mpool) {
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output = fc_encode_json_map(&json_ctx,
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map->elements, map->count);
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result = fc_json_parser_get_error_no(&json_ctx);
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} else {
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output = &buffer;
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result = fc_encode_json_map_ex(&json_ctx,
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map->elements, map->count, &buffer);
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}
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if (result != 0) {
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fprintf(stderr, "encode json map fail, %s\n", error_info);
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return result;
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}
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printf("%.*s\n", output->length, output->buff);
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fc_free_buffer(&buffer);
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} else {
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fprintf(stderr, "string\n");
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}
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fc_destroy_json_context(&json_ctx);
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return 0;
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}
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