| Exiv2

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error.hpp File Reference

Error class for exceptions, log message class. More...

`#include "exiv2lib_export.h"`
`#include "config.h"`
`#include <exception>`
`#include <sstream>`
`#include <string>`

Go to the source code of this file.

## Classes
class | Exiv2::LogMsg
| Class for a log message, used by the library. Applications can set the log level and provide a customer log message handler (callback function). More...
class | Exiv2::Error
| Simple error class used for exceptions. An output operator is provided to print errors to a stream. More...

## Namespaces
namespace | Exiv2
| Class CrwImage to access Canon CRW images. References: The Canon RAW (CRW) File Format by Phil Harvey.

## Macros
#define | EXV_DEBUG
| Shorthand to create a temp debug log message object and return its ostringstream.
#define | EXV_INFO
| Shorthand for a temp info log message object and return its ostringstream.
#define | EXV_WARNING
| Shorthand for a temp warning log message object and return its ostringstream.
#define | EXV_ERROR
| Shorthand for a temp error log message object and return its ostringstream.

## Enumerations
enum class | Exiv2::ErrorCode { kerSuccess = 0 , kerGeneralError , kerErrorMessage , kerCallFailed , kerNotAnImage , kerInvalidDataset , kerInvalidRecord , kerInvalidKey , kerInvalidTag , kerValueNotSet , kerDataSourceOpenFailed , kerFileOpenFailed , kerFileContainsUnknownImageType , kerMemoryContainsUnknownImageType , kerUnsupportedImageType , kerFailedToReadImageData , kerNotAJpeg , kerFailedToMapFileForReadWrite , kerFileRenameFailed , kerTransferFailed , kerMemoryTransferFailed , kerInputDataReadFailed , kerImageWriteFailed , kerNoImageInInputData , kerInvalidIfdId , kerValueTooLarge , kerDataAreaValueTooLarge , kerOffsetOutOfRange , kerUnsupportedDataAreaOffsetType , kerInvalidCharset , kerUnsupportedDateFormat , kerUnsupportedTimeFormat , kerWritingImageFormatUnsupported , kerInvalidSettingForImage , kerNotACrwImage , kerFunctionNotSupported , kerNoNamespaceInfoForXmpPrefix , kerNoPrefixForNamespace , kerTooLargeJpegSegment , kerUnhandledXmpdatum , kerUnhandledXmpNode , kerXMPToolkitError , kerDecodeLangAltPropertyFailed , kerDecodeLangAltQualifierFailed , kerEncodeLangAltPropertyFailed , kerPropertyNameIdentificationFailed , kerSchemaNamespaceNotRegistered , kerNoNamespaceForPrefix , kerAliasesNotSupported , kerInvalidXmpText , kerTooManyTiffDirectoryEntries , kerMultipleTiffArrayElementTagsInDirectory , kerWrongTiffArrayElementTagType , kerInvalidKeyXmpValue , kerInvalidIccProfile , kerInvalidXMP , kerTiffDirectoryTooLarge , kerInvalidTypeValue , kerInvalidLangAltValue , kerInvalidMalloc , kerCorruptedMetadata , kerArithmeticOverflow , kerMallocFailed , kerInvalidIconvEncoding , kerFileAccessDisabled , kerErrorCount }
| Complete list of all Exiv2 error codes.

## Functions
template<typename charT, typename T>
std::basic_string< charT > | Exiv2::toBasicString (const T &arg)
| Generalised toString function.
std::ostream & | Exiv2::operator<< (std::ostream &os, const Error &error)
| Error output operator

## Detailed Description

Error class for exceptions, log message class.

Author
  Andreas Huggel (ahu) ahuggel@gmx.net

Date
  15-Jan-04, ahu: created
  11-Feb-04, ahu: isolated as a component

## Macro Definition Documentation

## ◆ EXV_DEBUG

#define EXV_DEBUG

Value:
if (LogMsg::debug >= LogMsg::level() && LogMsg::handler()) \
LogMsg(LogMsg::debug).os()

Shorthand to create a temp debug log message object and return its ostringstream.

Referenced by Exiv2::EpsImage::readMetadata(), and Exiv2::EpsImage::writeMetadata().

## ◆ EXV_ERROR

#define EXV_ERROR

Value:
if (LogMsg::error >= LogMsg::level() && LogMsg::handler()) \
LogMsg(LogMsg::error).os()

Shorthand for a temp error log message object and return its ostringstream.

Referenced by Exiv2::Internal::TiffReader::circularReference(), Exiv2::Internal::TiffMnEntry::doCount(), Exiv2::Internal::TiffDirectory::doWriteImage(), Exiv2::Internal::TiffEncoder::encodeImageEntry(), Exiv2::Internal::packIfdId(), Exiv2::Image::printIFDStructure(), Exiv2::Internal::TiffReader::readTiffEntry(), Exiv2::Internal::toTiffType(), Exiv2::Internal::TiffReader::visitDirectory(), Exiv2::Internal::TiffReader::visitIfdMakernote(), Exiv2::Internal::TiffReader::visitSubIfd(), and Exiv2::XmpSidecar::writeMetadata().

## ◆ EXV_INFO

#define EXV_INFO

Value:
if (LogMsg::info >= LogMsg::level() && LogMsg::handler()) \
LogMsg(LogMsg::info).os()

Shorthand for a temp info log message object and return its ostringstream.

Referenced by Exiv2::AsfVideo::decodeBlock(), and Exiv2::Internal::TiffParserWorker::encode().

## ◆ EXV_WARNING

#define EXV_WARNING

Value:
if (LogMsg::warn >= LogMsg::level() && LogMsg::handler()) \
LogMsg(LogMsg::warn).os()

Shorthand for a temp warning log message object and return its ostringstream.

Referenced by Exiv2::Converter::cnvExifArray(), Exiv2::Converter::cnvExifComment(), Exiv2::Converter::cnvExifDate(), Exiv2::Converter::cnvExifFlash(), Exiv2::Converter::cnvExifGPSCoord(), Exiv2::Converter::cnvExifValue(), Exiv2::Converter::cnvIptcValue(), Exiv2::Converter::cnvXmpArray(), Exiv2::Converter::cnvXmpComment(), Exiv2::Converter::cnvXmpDate(), Exiv2::Converter::cnvXmpFlash(), Exiv2::Converter::cnvXmpGPSCoord(), Exiv2::Converter::cnvXmpGPSVersion(), Exiv2::Converter::cnvXmpValue(), Exiv2::Converter::cnvXmpValueToIptc(), Exiv2::Converter::cnvXmpVersion(), Exiv2::convertStringCharset(), Exiv2::ExifParser::decode(), Exiv2::IptcParser::decode(), Exiv2::XmpParser::decode(), Exiv2::MatroskaVideo::decodeBlock(), Exiv2::Internal::TiffDecoder::decodeIptc(), Exiv2::Internal::TiffDecoder::decodeXmp(), Exiv2::Internal::TiffBinaryArray::doCount(), Exiv2::ExifParser::encode(), Exiv2::XmpParser::encode(), Exiv2::Internal::TiffEncoder::encodeImageEntry(), Exiv2::CommentValue::read(), Exiv2::DateValue::read(), Exiv2::TimeValue::read(), Exiv2::EpsImage::readMetadata(), Exiv2::Jp2Image::readMetadata(), Exiv2::JpegBase::readMetadata(), Exiv2::Rw2Image::readMetadata(), Exiv2::XmpSidecar::readMetadata(), Exiv2::Internal::TiffReader::readTiffEntry(), Exiv2::Internal::TiffDataEntry::setStrips(), Exiv2::Internal::TiffImageEntry::setStrips(), Exiv2::FileIo::transfer(), Exiv2::Internal::TiffReader::visitBinaryArray(), Exiv2::Internal::TiffReader::visitDirectory(), Exiv2::Internal::TiffReader::visitSubIfd(), and Exiv2::EpsImage::writeMetadata().