libcruft-util/tools/json-schema.cpp

64 lines
1.7 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 2015 Danny Robson <danny@nerdcruft.net>
*/
#include "json/except.hpp"
#include "json/schema.hpp"
#include "json/tree.hpp"
#include "io.hpp"
#include <experimental/filesystem>
#include <iostream>
namespace fs = std::experimental::filesystem;
///////////////////////////////////////////////////////////////////////////////
enum {
ARG_CMD,
ARG_SCHEMA,
ARG_INPUT,
NUM_ARGS
};
///////////////////////////////////////////////////////////////////////////////
int
main (int argc, char **argv) {
if (argc != NUM_ARGS) {
std::cerr << argv[ARG_CMD] << " <schema> <json>\n";
return EXIT_FAILURE;
}
try {
const util::mapped_file schema_src (argv[ARG_SCHEMA]);
const util::mapped_file input_src (argv[ARG_INPUT]);
auto schema = json::tree::parse (util::view{schema_src}.cast<const char*>());
auto input = json::tree::parse (util::view{input_src} .cast<const char*>());
json::schema::validate (*input, schema->as_object ());
} catch (const json::error &e) {
std::cerr << "error: " << e.what () << '\n';
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}