Files
wlan-cloud-lib-valijson/include/valijson/utils/rapidjson_utils.hpp
2021-01-24 14:06:15 +11:00

47 lines
1.3 KiB
C++

#pragma once
#include <iostream>
#include <stdexcept>
#include <rapidjson/document.h>
#include <valijson/utils/file_utils.hpp>
namespace valijson {
namespace utils {
template<typename Encoding, typename Allocator>
inline bool loadDocument(const std::string &path, rapidjson::GenericDocument<Encoding, Allocator> &document)
{
// Load schema JSON from file
std::string file;
if (!loadFile(path, file)) {
std::cerr << "Failed to load json from file '" << path << "'." << std::endl;
return false;
}
// Parse schema
#if VALIJSON_USE_EXCEPTIONS
try {
#endif
document.template Parse<rapidjson::kParseIterativeFlag>(file.c_str());
if (document.HasParseError()) {
std::cerr << "RapidJson failed to parse the document:" << std::endl;
std::cerr << "Parse error: " << document.GetParseError() << std::endl;
std::cerr << "Near: " << file.substr((std::max)(size_t(0), document.GetErrorOffset() - 20), 40) << std::endl;
return false;
}
#if VALIJSON_USE_EXCEPTIONS
} catch (const std::runtime_error &e) {
std::cerr << "RapidJson failed to parse the document:" << std::endl;
std::cerr << "Runtime error: " << e.what() << std::endl;
return false;
}
#endif
return true;
}
} // namespace utils
} // namespace valijson