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#include <unistd.h>
#include "simdjson.h"
SIMDJSON_PUSH_DISABLE_ALL_WARNINGS
// #define RAPIDJSON_SSE2 // bad
// #define RAPIDJSON_SSE42 // bad
#include "fastjson/core.h"
#include "fastjson/dom.h"
#include "fastjson/fastjson.h"
#include "gason.h"
#include "rapidjson/document.h"
#include "rapidjson/reader.h" // you have to check in the submodule
#include "rapidjson/stringbuffer.h"
#include "rapidjson/writer.h"
#include "sajson.h"
#include "cJSON.h"
#include "jsmn.h"
#include "ujdecode.h"
extern "C" {
#include "ultrajson.h"
}
#include "json/json.h"
SIMDJSON_POP_DISABLE_WARNINGS
// fastjson has a tricky interface
void on_json_error(void *, simdjson_unused const fastjson::ErrorContext &ec) {
// std::cerr<<"ERROR: "<<ec.mesg<<std::endl;
}
bool fastjson_parse(const char *input) {
fastjson::Token token;
fastjson::dom::Chunk chunk;
return fastjson::dom::parse_string(input, &token, &chunk, 0, &on_json_error,
NULL);
}
// end of fastjson stuff
using namespace rapidjson;
int main(int argc, char *argv[]) {
bool verbose = false;
bool just_favorites = false;
int c;
while ((c = getopt(argc, argv, "vm")) != -1)
switch (c) {
case 'v':
verbose = true;
break;
case 'm':
just_favorites = true;
break;
default:
abort();
}
if (optind >= argc) {
std::cerr << "Usage: " << argv[0] << " <jsonfile>" << std::endl;
std::cerr << "Or " << argv[0] << " -v <jsonfile>" << std::endl;
exit(1);
}
const char *filename = argv[optind];
simdjson::padded_string p;
auto error = simdjson::padded_string::load(filename).get(p);
if (error) {
std::cerr << "Could not load the file " << filename << ": " << error << std::endl;
return EXIT_FAILURE;
}
if (verbose) {
std::cout << "Input has ";
if (p.size() > 1000 * 1000)
std::cout << p.size() / (1000 * 1000) << " MB ";
else if (p.size() > 1000)
std::cout << p.size() / 1000 << " KB ";
else
std::cout << p.size() << " B ";
std::cout << std::endl;
}
simdjson::dom::parser parser;
error = parser.parse(p).error();
rapidjson::Document d;
char *buffer = (char *)malloc(p.size() + 1);
memcpy(buffer, p.data(), p.size());
buffer[p.size()] = '\0';
bool rapid_correct_checkencoding =
(d.Parse<kParseValidateEncodingFlag>((const char *)buffer)
.HasParseError() == false);
bool sajson_correct =
sajson::parse(sajson::dynamic_allocation(),
sajson::mutable_string_view(p.size(), buffer))
.is_valid();
if (just_favorites) {
printf("our parser : %s \n",
(error == simdjson::error_code::SUCCESS) ? "correct" : "invalid");
printf("rapid (check encoding) : %s \n",
rapid_correct_checkencoding ? "correct" : "invalid");
printf("sajson : %s \n",
sajson_correct ? "correct" : "invalid");
if (error == simdjson::DEPTH_ERROR) {
printf("simdjson encountered a DEPTH_ERROR, it was parametrized to "
"reject documents with depth exceeding %zu.\n",
parser.max_depth());
}
if (((error == simdjson::error_code::SUCCESS) != rapid_correct_checkencoding) ||
(rapid_correct_checkencoding != sajson_correct) ||
((error == simdjson::SUCCESS) != sajson_correct)) {
printf("WARNING: THEY DISAGREE\n\n");
return EXIT_FAILURE;
}
free(buffer);
return EXIT_SUCCESS;
}
bool rapid_correct = (d.Parse((const char *)buffer).HasParseError() == false);
bool fastjson_correct = fastjson_parse(buffer);
JsonValue value;
JsonAllocator allocator;
char *endptr;
bool gason_correct =
(jsonParse(buffer, &endptr, &value, allocator) == JSON_OK);
void *state;
bool ultrajson_correct =
((UJDecode(buffer, p.size(), NULL, &state) == NULL) == false);
auto tokens = std::make_unique<jsmntok_t[]>(p.size());
bool jsmn_correct = false;
if (tokens == nullptr) {
printf("Failed to alloc memory for jsmn\n");
} else {
jsmn_parser jsmnparser;
jsmn_init(&jsmnparser);
memcpy(buffer, p.data(), p.size());
buffer[p.size()] = '\0';
int r = jsmn_parse(&jsmnparser, buffer, p.size(), tokens.get(), static_cast<unsigned int>(p.size()));
tokens = nullptr;
jsmn_correct = (r > 0);
}
memcpy(buffer, p.data(), p.size());
buffer[p.size()] = '\0';
cJSON *tree = cJSON_Parse(buffer);
bool cjson_correct = (tree != NULL);
if (tree != NULL) {
cJSON_Delete(tree);
}
Json::CharReaderBuilder b;
Json::CharReader *json_cpp_reader = b.newCharReader();
Json::Value root;
Json::String errs;
bool is_json_cpp_ok =
json_cpp_reader->parse(buffer, buffer + p.size(), &root, &errs);
delete json_cpp_reader;
printf("our parser : %s \n",
(err == simdjson::error_code::SUCCESS) ? "correct" : "invalid");
printf("rapid : %s \n",
rapid_correct ? "correct" : "invalid");
printf("rapid (check encoding) : %s \n",
rapid_correct_checkencoding ? "correct" : "invalid");
printf("sajson : %s \n",
sajson_correct ? "correct" : "invalid");
printf("fastjson : %s \n",
fastjson_correct ? "correct" : "invalid");
printf("gason : %s \n",
gason_correct ? "correct" : "invalid");
printf("ultrajson : %s \n",
ultrajson_correct ? "correct" : "invalid");
printf("jsmn : %s \n",
jsmn_correct ? "correct" : "invalid");
printf("cjson : %s \n",
cjson_correct ? "correct" : "invalid");
printf("jsoncpp : %s \n",
is_json_cpp_ok ? "correct" : "invalid");
free(buffer);
return EXIT_SUCCESS;
}
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