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#include "simdjson.h"
#include <iostream>
int main(int argc, char *argv[]) {
if (argc < 2) {
std::cerr << "Please specify at least one file name and" << std::endl;
std::cerr << "up to two files." << std::endl;
std::cerr << "The first file should be a JSON document." << std::endl;
std::cerr << "The second file should container many JSON documents."
<< std::endl;
std::cerr << "Try the test files: jsonexamples/twitter.json "
"jsonexamples/amazon_cellphones.ndjson"
<< std::endl;
return EXIT_FAILURE;
}
const char *filename = argv[1];
simdjson::padded_string json;
std::cout << "loading: " << filename << std::endl;
auto error = simdjson::padded_string::load(filename).get(json);
if (error) {
std::cout << "could not load the file " << filename << std::endl;
std::cout << "error code: " << error << std::endl;
return EXIT_FAILURE;
} else {
std::cout << "loaded: " << json.size() << " bytes." << std::endl;
}
simdjson::ondemand::parser parser;
simdjson::ondemand::document doc;
error = parser.iterate(json).get(doc);
if (error) {
std::cout << error << std::endl;
return EXIT_FAILURE;
}
simdjson::ondemand::json_type type;
error = doc.type().get(type);
if (error) {
std::cout << error << std::endl;
return EXIT_FAILURE;
}
std::cout << "if valid, the document has the following type at the root: " << type
<< std::endl;
if (argc == 2) {
return EXIT_SUCCESS;
}
// iterate_many
const char *filename2 = argv[2];
std::cout << "loading: " << filename2 << std::endl;
simdjson::padded_string json2;
error = simdjson::padded_string::load(filename2).get(json2);
if (error) {
std::cout << "could not load the file " << filename2 << std::endl;
std::cout << "error code: " << error << std::endl;
return EXIT_FAILURE;
} else {
std::cout << "loaded: " << json2.size() << " bytes." << std::endl;
}
simdjson::ondemand::document_stream stream;
error = parser.iterate_many(json2).get(stream);
size_t counter{0};
if (!error) {
for (auto result : stream) {
error = result.error();
counter++;
}
}
if (error) {
std::cout << "parse_many failed" << std::endl;
std::cout << "error code: " << error << std::endl;
std::cout << error << std::endl;
return EXIT_FAILURE;
} else {
std::cout << "I found " << counter << " potential JSON documents." << std::endl;
}
std::cout << "For more information on how simdjson works, please refer to our documentation." << std::endl;
std::cout << "https://github.com/simdjson/simdjson/blob/master/doc/basics.md" << std::endl;
return EXIT_SUCCESS;
}
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