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#include "image_io/base/message_writer.h"
#include <cstring>
#include <sstream>
#include <string>
namespace photos_editing_formats {
namespace image_io {
using std::string;
using std::stringstream;
string MessageWriter::GetFormattedMessage(const Message& message) const {
stringstream message_stream;
auto type = message.GetType();
if (type != Message::kStatus) {
message_stream << GetTypeCategory(type) << ":";
}
if (type == Message::kInternalError || type == Message::kStdLibError) {
message_stream << GetTypeDescription(type, message.GetSystemErrno()) << ":";
}
message_stream << message.GetText();
return message_stream.str();
}
string MessageWriter::GetTypeCategory(Message::Type type) const {
string category;
switch (type) {
case Message::kStatus:
category = "STATUS";
break;
case Message::kWarning:
category = "WARNING";
break;
case Message::kStdLibError:
case Message::kPrematureEndOfDataError:
case Message::kStringNotFoundError:
case Message::kDecodingError:
case Message::kSyntaxError:
case Message::kValueError:
case Message::kInternalError:
category = "ERROR";
break;
}
return category;
}
string MessageWriter::GetTypeDescription(Message::Type type,
int system_errno) const {
string description;
switch (type) {
case Message::kStatus:
break;
case Message::kWarning:
break;
case Message::kStdLibError:
description = system_errno > 0 ? std::strerror(system_errno) : "Unknown";
break;
case Message::kPrematureEndOfDataError:
description = "Premature end of data";
break;
case Message::kStringNotFoundError:
description = "String not found";
break;
case Message::kDecodingError:
description = "Decoding error";
break;
case Message::kSyntaxError:
description = "Syntax error";
break;
case Message::kValueError:
description = "Value error";
break;
case Message::kInternalError:
description = "Internal error";
break;
}
return description;
}
} // namespace image_io
} // namespace photos_editing_formats
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