mirror of https://github.com/odrling/Aegisub
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
|
|
//
|
|
// Permission to use, copy, modify, and distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
/// @file json.cpp
|
|
/// @brief Parse JSON files and return json::UnknownElement
|
|
/// @ingroup libaegisub io
|
|
|
|
#include "../config.h"
|
|
|
|
#ifndef LAGI_PRE
|
|
#include <fstream>
|
|
#include <sstream>
|
|
#endif
|
|
|
|
#include "libaegisub/io.h"
|
|
#include "libaegisub/json.h"
|
|
#include "libaegisub/log.h"
|
|
#include "libaegisub/scoped_ptr.h"
|
|
|
|
|
|
namespace agi {
|
|
namespace json_util {
|
|
|
|
json::UnknownElement parse(std::istream *stream) {
|
|
try {
|
|
agi::scoped_ptr<std::istream> stream_deleter(stream);
|
|
|
|
json::UnknownElement root;
|
|
json::Reader::Read(root, *stream);
|
|
return root;
|
|
} catch (json::Reader::ParseException& e) {
|
|
LOG_E("json/parse") << "json::ParseException: " << e.what() << ", Line/offset: " << e.m_locTokenBegin.m_nLine + 1 << '/' << e.m_locTokenBegin.m_nLineOffset + 1;
|
|
throw;
|
|
} catch (json::Exception& e) {
|
|
LOG_E("json/parse") << "json::Exception: " << e.what();
|
|
throw;
|
|
}
|
|
}
|
|
|
|
json::UnknownElement file(const std::string &file) {
|
|
return parse(io::Open(file));
|
|
}
|
|
|
|
json::UnknownElement file(const std::string &file, const std::string &default_config) {
|
|
try {
|
|
return parse(io::Open(file));
|
|
}
|
|
catch (FileNotFoundError const&) {
|
|
// Not an error
|
|
return parse(new std::istringstream(default_config));
|
|
}
|
|
catch (json::Exception&) {
|
|
// Already logged in parse
|
|
return parse(new std::istringstream(default_config));
|
|
}
|
|
catch (agi::Exception& e) {
|
|
LOG_E("json/file") << "Unexpected error when reading config file " << file << ": " << e.GetMessage();
|
|
return parse(new std::istringstream(default_config));
|
|
}
|
|
}
|
|
|
|
} // namespace json_util
|
|
} // namespace agi
|