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