libcruft-util/tools/json-clean.cpp

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/*
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* 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
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*
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* http://www.apache.org/licenses/LICENSE-2.0
*
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* 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.
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*
* Copyright 2012-2016 Danny Robson <danny@nerdcruft.net>
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*/
#include "io.hpp"
#include "json/except.hpp"
#include "json/tree.hpp"
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#include <cstdlib>
#include <iostream>
///////////////////////////////////////////////////////////////////////////////
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enum {
ARG_COMMAND,
ARG_INPUT,
NUM_ARGS
};
//-----------------------------------------------------------------------------
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void
print_usage (int argc, char **argv)
{
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(void)argc;
std::cerr << "usage: " << argv[0] << " <input>\n";
}
//-----------------------------------------------------------------------------
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int
main (int argc, char **argv)
{
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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 (src.as_view<const char> ()) << '\n';
} catch (const json::error& err) {
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std::cerr << err.what () << "\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}