libcruft-util/tools/json-clean.cpp

62 lines
1.5 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2012-2016 Danny Robson <danny@nerdcruft.net>
*/
#include "io.hpp"
#include "json/except.hpp"
#include "json/tree.hpp"
#include <cstdlib>
#include <iostream>
///////////////////////////////////////////////////////////////////////////////
enum {
ARG_COMMAND,
ARG_INPUT,
NUM_ARGS
};
//-----------------------------------------------------------------------------
void
print_usage (int argc, char **argv)
{
(void)argc;
std::cerr << "usage: " << argv[0] << " <input>\n";
}
//-----------------------------------------------------------------------------
int
main (int argc, char **argv)
{
if (argc != NUM_ARGS) {
print_usage (argc, argv);
return EXIT_FAILURE;
}
try {
const util::mapped_file src (argv[ARG_INPUT]);
std::cout << *json::tree::parse (util::view{src}.cast<const char*> ()) << '\n';
} catch (const json::error& err) {
std::cerr << err.what () << "\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}