use std::{error, fmt};
use ffi::BLResultCode;
pub type Result<T> = std::result::Result<T, Error>;
#[inline]
pub(in crate) fn errcode_to_result(code: u32) -> Result<()> {
match code as _ {
0 => Ok(()),
#[cold]
BLResultCode::BL_ERROR_OUT_OF_MEMORY => panic!("memory allocation failed"),
_ => Err(Error::from_errcode(code)),
}
}
#[inline]
pub(in crate) fn expect_mem_err(code: u32) {
match code as _ {
#[cold]
BLResultCode::BL_ERROR_OUT_OF_MEMORY => panic!("memory allocation failed"),
_ => (),
};
}
#[derive(Debug)]
pub struct OutOfMemory;
impl OutOfMemory {
pub(in crate) fn from_errcode(code: u32) -> std::result::Result<(), Self> {
if code == 0 {
Ok(())
} else {
#[cold]
Err(Self)
}
}
}
impl error::Error for OutOfMemory {}
impl fmt::Display for OutOfMemory {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:?}", self)
}
}
#[derive(Debug)]
pub enum Error {
InvalidValue,
InvalidState,
InvalidHandle,
ValueTooLarge,
NotInitialized,
NotImplemented,
NotPermitted,
Io,
Busy,
Interrupted,
TryAgain,
TimedOut,
BrokenPipe,
InvalidSeek,
SymlinkLoop,
FileTooLarge,
AlreadyExists,
AccessDenied,
MediaChanged,
ReadOnlyFs,
NoDevice,
NoEntry,
NoMedia,
NoMoreData,
NoMoreFiles,
NoSpaceLeft,
NotEmpty,
NotFile,
NotDirectory,
NotSameDevice,
NotBlockDevice,
InvalidFileName,
FileNameTooLong,
TooManyOpenFiles,
TooManyOpenFilesByOs,
TooManyLinks,
TooManyThreads,
FileEmpty,
OpenFailed,
NotRootDevice,
UnknownSystemError,
InvalidSignature,
InvalidData,
InvalidString,
DataTruncated,
DataTooLarge,
DecompressionFailed,
InvalidGeometry,
NoMatchingVertex,
NoMatchingCookie,
NoStatesToRestore,
ImageTooLarge,
ImageNoMatchingCodec,
ImageUnknownFileFormat,
ImageDecoderNotProvided,
ImageEncoderNotProvided,
PngMultipleIHDR,
PngInvalidIDAT,
PngInvalidIEND,
PngInvalidPLTE,
PngInvalidTRNS,
PngInvalidFilter,
JpegUnsupportedFeature,
JpegInvalidSOS,
JpegInvalidSOF,
JpegMultipleSOF,
JpegUnsupportedSOF,
FontNoCharacterMapping,
FontMissingImportantTable,
FontFeatureNotAvailable,
FontCffInvalidData,
FontProgramTerminated,
InvalidGlyph,
}
impl Error {
pub(super) fn from_errcode(errcode: u32) -> Self {
match errcode as ffi::BLResultCode::Type {
BLResultCode::BL_ERROR_INVALID_VALUE => Error::InvalidValue,
BLResultCode::BL_ERROR_INVALID_STATE => Error::InvalidState,
BLResultCode::BL_ERROR_INVALID_HANDLE => Error::InvalidHandle,
BLResultCode::BL_ERROR_VALUE_TOO_LARGE => Error::ValueTooLarge,
BLResultCode::BL_ERROR_NOT_INITIALIZED => Error::NotInitialized,
BLResultCode::BL_ERROR_NOT_IMPLEMENTED => Error::NotImplemented,
BLResultCode::BL_ERROR_NOT_PERMITTED => Error::NotPermitted,
BLResultCode::BL_ERROR_IO => Error::Io,
BLResultCode::BL_ERROR_BUSY => Error::Busy,
BLResultCode::BL_ERROR_INTERRUPTED => Error::Interrupted,
BLResultCode::BL_ERROR_TRY_AGAIN => Error::TryAgain,
BLResultCode::BL_ERROR_TIMED_OUT => Error::TimedOut,
BLResultCode::BL_ERROR_BROKEN_PIPE => Error::BrokenPipe,
BLResultCode::BL_ERROR_INVALID_SEEK => Error::InvalidSeek,
BLResultCode::BL_ERROR_SYMLINK_LOOP => Error::SymlinkLoop,
BLResultCode::BL_ERROR_FILE_TOO_LARGE => Error::FileTooLarge,
BLResultCode::BL_ERROR_ALREADY_EXISTS => Error::AlreadyExists,
BLResultCode::BL_ERROR_ACCESS_DENIED => Error::AccessDenied,
BLResultCode::BL_ERROR_MEDIA_CHANGED => Error::MediaChanged,
BLResultCode::BL_ERROR_READ_ONLY_FS => Error::ReadOnlyFs,
BLResultCode::BL_ERROR_NO_DEVICE => Error::NoDevice,
BLResultCode::BL_ERROR_NO_ENTRY => Error::NoEntry,
BLResultCode::BL_ERROR_NO_MEDIA => Error::NoMedia,
BLResultCode::BL_ERROR_NO_MORE_DATA => Error::NoMoreData,
BLResultCode::BL_ERROR_NO_MORE_FILES => Error::NoMoreFiles,
BLResultCode::BL_ERROR_NO_SPACE_LEFT => Error::NoSpaceLeft,
BLResultCode::BL_ERROR_NOT_EMPTY => Error::NotEmpty,
BLResultCode::BL_ERROR_NOT_FILE => Error::NotFile,
BLResultCode::BL_ERROR_NOT_DIRECTORY => Error::NotDirectory,
BLResultCode::BL_ERROR_NOT_SAME_DEVICE => Error::NotSameDevice,
BLResultCode::BL_ERROR_NOT_BLOCK_DEVICE => Error::NotBlockDevice,
BLResultCode::BL_ERROR_INVALID_FILE_NAME => Error::InvalidFileName,
BLResultCode::BL_ERROR_FILE_NAME_TOO_LONG => Error::FileNameTooLong,
BLResultCode::BL_ERROR_TOO_MANY_OPEN_FILES => Error::TooManyOpenFiles,
BLResultCode::BL_ERROR_TOO_MANY_OPEN_FILES_BY_OS => Error::TooManyOpenFilesByOs,
BLResultCode::BL_ERROR_TOO_MANY_LINKS => Error::TooManyLinks,
BLResultCode::BL_ERROR_TOO_MANY_THREADS => Error::TooManyThreads,
BLResultCode::BL_ERROR_FILE_EMPTY => Error::FileEmpty,
BLResultCode::BL_ERROR_OPEN_FAILED => Error::OpenFailed,
BLResultCode::BL_ERROR_NOT_ROOT_DEVICE => Error::NotRootDevice,
BLResultCode::BL_ERROR_UNKNOWN_SYSTEM_ERROR => Error::UnknownSystemError,
BLResultCode::BL_ERROR_INVALID_SIGNATURE => Error::InvalidSignature,
BLResultCode::BL_ERROR_INVALID_DATA => Error::InvalidData,
BLResultCode::BL_ERROR_INVALID_STRING => Error::InvalidString,
BLResultCode::BL_ERROR_DATA_TRUNCATED => Error::DataTruncated,
BLResultCode::BL_ERROR_DATA_TOO_LARGE => Error::DataTooLarge,
BLResultCode::BL_ERROR_DECOMPRESSION_FAILED => Error::DecompressionFailed,
BLResultCode::BL_ERROR_INVALID_GEOMETRY => Error::InvalidGeometry,
BLResultCode::BL_ERROR_NO_MATCHING_VERTEX => Error::NoMatchingVertex,
BLResultCode::BL_ERROR_NO_MATCHING_COOKIE => Error::NoMatchingCookie,
BLResultCode::BL_ERROR_NO_STATES_TO_RESTORE => Error::NoStatesToRestore,
BLResultCode::BL_ERROR_IMAGE_TOO_LARGE => Error::ImageTooLarge,
BLResultCode::BL_ERROR_IMAGE_NO_MATCHING_CODEC => Error::ImageNoMatchingCodec,
BLResultCode::BL_ERROR_IMAGE_UNKNOWN_FILE_FORMAT => Error::ImageUnknownFileFormat,
BLResultCode::BL_ERROR_IMAGE_DECODER_NOT_PROVIDED => Error::ImageDecoderNotProvided,
BLResultCode::BL_ERROR_IMAGE_ENCODER_NOT_PROVIDED => Error::ImageEncoderNotProvided,
BLResultCode::BL_ERROR_PNG_MULTIPLE_IHDR => Error::PngMultipleIHDR,
BLResultCode::BL_ERROR_PNG_INVALID_IDAT => Error::PngInvalidIDAT,
BLResultCode::BL_ERROR_PNG_INVALID_IEND => Error::PngInvalidIEND,
BLResultCode::BL_ERROR_PNG_INVALID_PLTE => Error::PngInvalidPLTE,
BLResultCode::BL_ERROR_PNG_INVALID_TRNS => Error::PngInvalidTRNS,
BLResultCode::BL_ERROR_PNG_INVALID_FILTER => Error::PngInvalidFilter,
BLResultCode::BL_ERROR_JPEG_UNSUPPORTED_FEATURE => Error::JpegUnsupportedFeature,
BLResultCode::BL_ERROR_JPEG_INVALID_SOS => Error::JpegInvalidSOS,
BLResultCode::BL_ERROR_JPEG_INVALID_SOF => Error::JpegInvalidSOF,
BLResultCode::BL_ERROR_JPEG_MULTIPLE_SOF => Error::JpegMultipleSOF,
BLResultCode::BL_ERROR_JPEG_UNSUPPORTED_SOF => Error::JpegUnsupportedSOF,
BLResultCode::BL_ERROR_FONT_NO_CHARACTER_MAPPING => Error::FontNoCharacterMapping,
BLResultCode::BL_ERROR_FONT_MISSING_IMPORTANT_TABLE => Error::FontMissingImportantTable,
BLResultCode::BL_ERROR_FONT_FEATURE_NOT_AVAILABLE => Error::FontFeatureNotAvailable,
BLResultCode::BL_ERROR_FONT_CFF_INVALID_DATA => Error::FontCffInvalidData,
BLResultCode::BL_ERROR_FONT_PROGRAM_TERMINATED => Error::FontProgramTerminated,
BLResultCode::BL_ERROR_INVALID_GLYPH => Error::InvalidGlyph,
_ => unreachable!("Custom fallback type"),
}
}
}
impl error::Error for Error {}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{:?}", self)
}
}