Fixes issue 598. (#608)

* Fixes issue 598.

* Dropping old code.

tools/json2json.cpp

@@ -4,55 +4,17 @@
 #endif
 #include "simdjson.h"
 
-void compute_dump(simdjson::ParsedJson::Iterator &pjh) {
-  if (pjh.is_object()) {
-    std::cout << "{";
-    if (pjh.down()) {
-      pjh.print(std::cout); // must be a string
-      std::cout << ":";
-      pjh.next();
-      compute_dump(pjh); // let us recurse
-      while (pjh.next()) {
-        std::cout << ",";
-        pjh.print(std::cout);
-        std::cout << ":";
-        pjh.next();
-        compute_dump(pjh); // let us recurse
-      }
-      pjh.up();
-    }
-    std::cout << "}";
-  } else if (pjh.is_array()) {
-    std::cout << "[";
-    if (pjh.down()) {
-      compute_dump(pjh); // let us recurse
-      while (pjh.next()) {
-        std::cout << ",";
-        compute_dump(pjh); // let us recurse
-      }
-      pjh.up();
-    }
-    std::cout << "]";
-  } else {
-    pjh.print(std::cout); // just print the lone value
-  }
-}
-
 int main(int argc, char *argv[]) {
   bool rawdump = false;
-  bool apidump = false;
 
 #ifndef _MSC_VER
   int c;
 
-  while ((c = getopt(argc, argv, "da")) != -1) {
+  while ((c = getopt(argc, argv, "d")) != -1) {
     switch (c) {
     case 'd':
       rawdump = true;
       break;
-    case 'a':
-      apidump = true;
-      break;
     default:
       abort();
     }
@@ -72,33 +34,17 @@ int main(int argc, char *argv[]) {
     std::cerr << "warning: ignoring everything after " << argv[optind + 1]
               << std::endl;
   }
-  auto [p, error] = simdjson::padded_string::load(filename);
-  if (error) {
-    std::cerr << "Could not load the file " << filename << std::endl;
-    return EXIT_FAILURE;
-  }
-  simdjson::ParsedJson pj;
-  int res =
-      simdjson::json_parse(p, pj); // do the parsing, return false on error
-  if (res != simdjson::SUCCESS) {
-    std::cerr << " Parsing failed. Error is '" << simdjson::error_message(res)
+  simdjson::document::parser parser;
+  auto [doc, error] = parser.load(filename); // do the parsing, return false on error
+  if (error != simdjson::SUCCESS) {
+    std::cerr << " Parsing failed. Error is '" << simdjson::error_message(error)
               << "'." << std::endl;
     return EXIT_FAILURE;
   }
-  if (apidump) {
-    simdjson::ParsedJson::Iterator pjh(pj.doc);
-    if (!pjh.is_ok()) {
-      std::cerr << " Could not iterate parsed result. " << std::endl;
-      return EXIT_FAILURE;
-    }
-    compute_dump(pjh);
+  if(rawdump) {
+    doc.dump_raw_tape(std::cout);
   } else {
-    const bool is_ok =
-        rawdump ? pj.dump_raw_tape(std::cout) : pj.print_json(std::cout);
-    if (!is_ok) {
-      std::cerr << " Could not print out parsed result. " << std::endl;
-      return EXIT_FAILURE;
-    }
+    std::cout << doc;
   }
   return EXIT_SUCCESS;
 }