145 lines
4.0 KiB
C++
145 lines
4.0 KiB
C++
#include <iostream>
|
|
#include "simdjson.h"
|
|
using namespace std;
|
|
using namespace simdjson;
|
|
|
|
void document_parse_error_code() {
|
|
cout << __func__ << endl;
|
|
|
|
auto [doc, error] = document::parse("[ 1, 2, 3 ]"_padded);
|
|
if (error) { cerr << "Error: " << error << endl; exit(1); }
|
|
cout << doc << endl;
|
|
}
|
|
|
|
void parser_parse_error_code() {
|
|
cout << __func__ << endl;
|
|
|
|
// Allocate a parser big enough for all files
|
|
document::parser parser;
|
|
|
|
// Read files with the parser, one by one
|
|
for (padded_string json : { string("[1, 2, 3]"), string("true"), string("[ true, false ]") }) {
|
|
cout << "Parsing " << json.data() << " ..." << endl;
|
|
auto [doc, error] = parser.parse(json);
|
|
if (error) { cerr << "Error: " << error << endl; exit(1); }
|
|
cout << doc << endl;
|
|
}
|
|
}
|
|
|
|
void parser_parse_many_error_code() {
|
|
cout << __func__ << endl;
|
|
|
|
// Read files with the parser
|
|
auto json = "[1, 2, 3] true [ true, false ]"_padded;
|
|
cout << "Parsing " << json.data() << " ..." << endl;
|
|
document::parser parser;
|
|
for (auto [doc, error] : parser.parse_many(json)) {
|
|
if (error) { cerr << "Error: " << error << endl; exit(1); }
|
|
cout << doc << endl;
|
|
}
|
|
}
|
|
|
|
void parser_parse_max_capacity() {
|
|
cout << __func__ << endl;
|
|
|
|
int argc = 2;
|
|
padded_string argv[] { string("[1,2,3]"), string("true") };
|
|
document::parser parser(1024*1024); // Set max capacity to 1MB
|
|
for (int i=0;i<argc;i++) {
|
|
auto [doc, error] = parser.parse(argv[i]);
|
|
if (error == CAPACITY) { cerr << "JSON files larger than 1MB are not supported!" << endl; exit(1); }
|
|
if (error) { cerr << error << endl; exit(1); }
|
|
cout << doc << endl;
|
|
}
|
|
}
|
|
|
|
void parser_parse_fixed_capacity() {
|
|
cout << __func__ << endl;
|
|
|
|
int argc = 2;
|
|
padded_string argv[] { string("[1,2,3]"), string("true") };
|
|
document::parser parser(0); // This parser is not allowed to auto-allocate
|
|
auto alloc_error = parser.set_capacity(1024*1024);
|
|
if (alloc_error) { cerr << alloc_error << endl; exit(1); }; // Set initial capacity to 1MB
|
|
for (int i=0;i<argc;i++) {
|
|
auto [doc, error] = parser.parse(argv[i]);
|
|
if (error == CAPACITY) { cerr << "JSON files larger than 1MB are not supported!" << endl; exit(1); }
|
|
if (error) { cerr << error << endl; exit(1); }
|
|
cout << doc << endl;
|
|
}
|
|
}
|
|
|
|
#if SIMDJSON_EXCEPTIONS
|
|
|
|
void document_parse_exception() {
|
|
cout << __func__ << endl;
|
|
|
|
cout << document::parse("[ 1, 2, 3 ]"_padded) << endl;
|
|
}
|
|
|
|
void document_parse_padded_string() {
|
|
cout << __func__ << endl;
|
|
|
|
auto json = "[ 1, 2, 3 ]"_padded;
|
|
cout << document::parse(json) << endl;
|
|
}
|
|
|
|
void document_parse_get_corpus() {
|
|
cout << __func__ << endl;
|
|
|
|
auto json = get_corpus("jsonexamples/small/demo.json");
|
|
cout << document::parse(json) << endl;
|
|
}
|
|
|
|
void document_load() {
|
|
cout << __func__ << endl;
|
|
|
|
cout << document::load("jsonexamples/small/demo.json") << endl;
|
|
}
|
|
|
|
void parser_parse_exception() {
|
|
cout << __func__ << endl;
|
|
|
|
// Allocate a parser big enough for all files
|
|
document::parser parser;
|
|
|
|
// Read files with the parser, one by one
|
|
for (padded_string json : { string("[1, 2, 3]"), string("true"), string("[ true, false ]") }) {
|
|
cout << "Parsing " << json.data() << " ..." << endl;
|
|
cout << parser.parse(json) << endl;
|
|
}
|
|
}
|
|
|
|
void parser_parse_many_exception() {
|
|
cout << __func__ << endl;
|
|
|
|
// Read files with the parser
|
|
auto json = "[1, 2, 3] true [ true, false ]"_padded;
|
|
cout << "Parsing " << json.data() << " ..." << endl;
|
|
document::parser parser;
|
|
for (const document &doc : parser.parse_many(json)) {
|
|
cout << doc << endl;
|
|
}
|
|
}
|
|
|
|
#endif // SIMDJSON_EXCEPTIONS
|
|
|
|
int main() {
|
|
cout << "Running examples." << endl;
|
|
document_parse_error_code();
|
|
parser_parse_error_code();
|
|
parser_parse_many_error_code();
|
|
parser_parse_max_capacity();
|
|
parser_parse_fixed_capacity();
|
|
#if SIMDJSON_EXCEPTIONS
|
|
document_parse_exception();
|
|
parser_parse_exception();
|
|
parser_parse_many_exception();
|
|
document_parse_padded_string();
|
|
document_parse_get_corpus();
|
|
document_load();
|
|
#endif // SIMDJSON_EXCEPTIONS
|
|
cout << "Ran to completion!" << endl;
|
|
return 0;
|
|
}
|