pdf-toolbox-core-0.1.1: A collection of tools for processing PDF files.
Safe HaskellSafe-Inferred
LanguageHaskell2010

Pdf.Core.Exception

Description

Exceptions and utilities

Synopsis

Documentation

data Corrupted Source #

File is corrupted

Contains general message and a list of details

Constructors

Corrupted String [String] 

Instances

Instances details
Show Corrupted Source # 
Instance details

Defined in Pdf.Core.Exception

Methods

showsPrec :: Int -> Corrupted -> ShowS #

show :: Corrupted -> String #

showList :: [Corrupted] -> ShowS #

Exception Corrupted Source # 
Instance details

Defined in Pdf.Core.Exception

Methods

toException :: Corrupted -> SomeException #

fromException :: SomeException -> Maybe Corrupted #

displayException :: Corrupted -> String #

data Unexpected Source #

Something unexpected occurs, probably API missuse

Constructors

Unexpected String [String] 

Instances

Instances details
Show Unexpected Source # 
Instance details

Defined in Pdf.Core.Exception

Methods

showsPrec :: Int -> Unexpected -> ShowS #

show :: Unexpected -> String #

showList :: [Unexpected] -> ShowS #

Exception Unexpected Source # 
Instance details

Defined in Pdf.Core.Exception

Methods

toException :: Unexpected -> SomeException #

fromException :: SomeException -> Maybe Unexpected #

displayException :: Unexpected -> String #

sure :: Either String a -> IO a Source #

We are sure it is Right. Otherwise Corripted is thrown

message :: String -> IO a -> IO a Source #

Catch Corrupted and Unexpected and add a message to it before rethrowing