105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
#include <iostream>
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#include <unistd.h>
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#include "simdjson/jsonioutil.h"
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#include "simdjson/jsonparser.h"
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using namespace std;
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void compute_dump(ParsedJson::iterator &pjh) {
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if (pjh.is_object()) {
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std::cout << "{";
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if (pjh.down()) {
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pjh.print(std::cout); // must be a string
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std::cout << ":";
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pjh.next();
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compute_dump(pjh); // let us recurse
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while (pjh.next()) {
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std::cout << ",";
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pjh.print(std::cout);
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std::cout << ":";
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pjh.next();
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compute_dump(pjh); // let us recurse
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}
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pjh.up();
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}
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std::cout << "}";
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} else if (pjh.is_array()) {
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std::cout << "[";
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if (pjh.down()) {
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compute_dump(pjh); // let us recurse
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while (pjh.next()) {
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std::cout << ",";
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compute_dump(pjh); // let us recurse
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}
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pjh.up();
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}
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std::cout << "]";
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} else {
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pjh.print(std::cout); // just print the lone value
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}
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}
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int main(int argc, char *argv[]) {
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int c;
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bool rawdump = false;
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bool apidump = false;
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while ((c = getopt(argc, argv, "da")) != -1)
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switch (c) {
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case 'd':
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rawdump = true;
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break;
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case 'a':
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apidump = true;
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break;
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default:
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abort();
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}
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if (optind >= argc) {
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cerr << "Reads json in, out the result of the parsing. " << endl;
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cerr << "Usage: " << argv[0] << " <jsonfile>" << endl;
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cerr << "The -d flag dumps the raw content of the tape." << endl;
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exit(1);
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}
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const char *filename = argv[optind];
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if (optind + 1 < argc) {
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cerr << "warning: ignoring everything after " << argv[optind + 1] << endl;
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}
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std::string_view p;
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try {
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p = get_corpus(filename);
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} catch (const std::exception &e) { // caught by reference to base
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std::cout << "Could not load the file " << filename << std::endl;
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return EXIT_FAILURE;
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}
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ParsedJson pj;
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bool allocok = pj.allocateCapacity(p.size(), 1024);
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if (!allocok) {
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std::cerr << "failed to allocate memory" << std::endl;
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return EXIT_FAILURE;
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}
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bool is_ok = json_parse(p, pj); // do the parsing, return false on error
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free((void *)p.data());
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if (!is_ok) {
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std::cerr << " Parsing failed. " << std::endl;
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return EXIT_FAILURE;
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}
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if (apidump) {
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ParsedJson::iterator pjh(pj);
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if (!pjh.isOk()) {
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std::cerr << " Could not iterate parsed result. " << std::endl;
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return EXIT_FAILURE;
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}
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compute_dump(pjh);
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} else {
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is_ok = rawdump ? pj.dump_raw_tape(std::cout) : pj.printjson(std::cout);
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if (!is_ok) {
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std::cerr << " Could not print out parsed result. " << std::endl;
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return EXIT_FAILURE;
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}
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}
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return EXIT_SUCCESS;
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}
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