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|
{- |
Module : Text.Pandoc.Class.CommonState
Copyright : Copyright (C) 2016-2020 Jesse Rosenthal, John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : Jesse Rosenthal <jrosenthal@jhu.edu>
Stability : alpha
Portability : portable
Common state shared by all pandoc-specific operations, including
those in readers, writers, and Lua filters.
-}
module Text.Pandoc.Class.CommonState
( CommonState(..)
, defaultCommonState
)
where
import Data.Default (Default (def))
import Data.Text (Text)
import Text.Pandoc.BCP47 (Lang)
import Text.Pandoc.MediaBag (MediaBag)
import Text.Pandoc.Logging (LogMessage, Verbosity (WARNING))
import Text.Pandoc.Translations (Translations)
-- | 'CommonState' represents state that is used by all
-- instances of 'PandocMonad'. Normally users should not
-- need to interact with it directly; instead, auxiliary
-- functions like 'setVerbosity' and 'withMediaBag' should be used.
data CommonState = CommonState
{ stLog :: [LogMessage]
-- ^ A list of log messages in reverse order
, stUserDataDir :: Maybe FilePath
-- ^ Directory to search for data files
, stSourceURL :: Maybe Text
-- ^ Absolute URL + dir of 1st source file
, stRequestHeaders :: [(Text, Text)]
-- ^ Headers to add for HTTP requests
, stNoCheckCertificate :: Bool
-- ^ Controls whether certificate validation is disabled
, stMediaBag :: MediaBag
-- ^ Media parsed from binary containers
, stTranslations :: Maybe (Lang, Maybe Translations)
-- ^ Translations for localization
, stInputFiles :: [FilePath]
-- ^ List of input files from command line
, stOutputFile :: Maybe FilePath
-- ^ Output file from command line
, stResourcePath :: [FilePath]
-- ^ Path to search for resources like
-- included images
, stVerbosity :: Verbosity
-- ^ Verbosity level
, stTrace :: Bool
-- ^ Controls whether tracing messages are
-- issued.
}
-- | The default @'CommonState'@. All fields are initialized as the
-- monoid identity of their resprective type, except for:
--
-- * @'stResourcePath'@, which is set to @["."]@,
-- * @'stTrace'@, which is set to @'False'@, and
-- * @'stVerbosity'@, which is set to @WARNING@.
defaultCommonState :: CommonState
defaultCommonState = CommonState
{ stLog = []
, stUserDataDir = Nothing
, stSourceURL = Nothing
, stRequestHeaders = []
, stNoCheckCertificate = False
, stMediaBag = mempty
, stTranslations = Nothing
, stInputFiles = []
, stOutputFile = Nothing
, stResourcePath = ["."]
, stVerbosity = WARNING
, stTrace = False
}
instance Default CommonState where
def = defaultCommonState
|
