assimp/contrib/picojson/examples/iostream.cc

71 lines
2.7 KiB
C++

/*
* Copyright 2009-2010 Cybozu Labs, Inc.
* Copyright 2011-2014 Kazuho Oku
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "../picojson.h"
int main(void)
{
picojson::value v;
// read json value from stream
std::cin >> v;
if (std::cin.fail()) {
std::cerr << picojson::get_last_error() << std::endl;
return 1;
}
// dump json object
std::cout << "---- dump input ----" << std::endl;
std::cout << v << std::endl;
// accessors
std::cout << "---- analyzing input ----" << std::endl;
if (v.is<picojson::null>()) {
std::cout << "input is null" << std::endl;
} else if (v.is<bool>()) {
std::cout << "input is " << (v.get<bool>() ? "true" : "false") << std::endl;
} else if (v.is<double>()) {
std::cout << "input is " << v.get<double>() << std::endl;
} else if (v.is<std::string>()) {
std::cout << "input is " << v.get<std::string>() << std::endl;
} else if (v.is<picojson::array>()) {
std::cout << "input is an array" << std::endl;
const picojson::array& a = v.get<picojson::array>();
for (picojson::array::const_iterator i = a.begin(); i != a.end(); ++i) {
std::cout << " " << *i << std::endl;
}
} else if (v.is<picojson::object>()) {
std::cout << "input is an object" << std::endl;
const picojson::object& o = v.get<picojson::object>();
for (picojson::object::const_iterator i = o.begin(); i != o.end(); ++i) {
std::cout << i->first << " " << i->second << std::endl;
}
}
return 0;
}