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{-# LANGUAGE DeriveDataTypeable, DeriveGeneric, OverloadedStrings #-}
{-
Copyright (C) 2016-17 John MacFarlane <jgm@berkeley.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
{- |
Module : Text.Pandoc.Logging
Copyright : Copyright (C) 2006-2016 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
This module provides data types and functions for warnings
and info messages.
-}
module Text.Pandoc.Logging (
Verbosity(..)
, LogMessage(..)
, encodeLogMessages
, showLogMessage
, messageVerbosity
) where
import Text.Parsec.Pos
import Data.Data (Data)
import Data.Generics (Typeable)
import GHC.Generics (Generic)
import qualified Data.Text as Text
import Data.Aeson
import Text.Pandoc.Definition
import Data.Aeson.Encode.Pretty (encodePretty', keyOrder,
defConfig, Config(..))
import qualified Data.ByteString.Lazy as BL
-- | Verbosity level.
data Verbosity = ERROR | WARNING | INFO | DEBUG
deriving (Show, Read, Eq, Data, Enum, Ord, Bounded, Typeable, Generic)
instance ToJSON Verbosity where
toJSON x = toJSON (show x)
data LogMessage =
SkippedContent String SourcePos
| CouldNotParseYamlMetadata String SourcePos
| DuplicateLinkReference String SourcePos
| DuplicateNoteReference String SourcePos
| ReferenceNotFound String SourcePos
| ParsingUnescaped String SourcePos
| CouldNotLoadIncludeFile String SourcePos
| ParsingTrace String SourcePos
| InlineNotRendered Inline
| BlockNotRendered Block
| DocxParserWarning String
| CouldNotFetchResource String String
| CouldNotDetermineImageSize String String
| CouldNotDetermineMimeType String
| CouldNotConvertTeXMath String String
deriving (Show, Eq, Data, Ord, Typeable, Generic)
instance ToJSON LogMessage where
toJSON x = object $ "verbosity" .= toJSON (messageVerbosity x) :
case x of
SkippedContent s pos ->
["type" .= String "SkippedContent",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= sourceLine pos,
"column" .= sourceColumn pos]
CouldNotParseYamlMetadata s pos ->
["type" .= String "YamlSectionNotAnObject",
"message" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
DuplicateLinkReference s pos ->
["type" .= String "DuplicateLinkReference",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
DuplicateNoteReference s pos ->
["type" .= String "DuplicateNoteReference",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
ReferenceNotFound s pos ->
["type" .= String "ReferenceNotFound",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
ParsingUnescaped s pos ->
["type" .= String "ParsingUnescaped",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
CouldNotLoadIncludeFile fp pos ->
["type" .= String "CouldNotLoadIncludeFile",
"path" .= Text.pack fp,
"source" .= Text.pack (sourceName pos),
"line" .= toJSON (sourceLine pos),
"column" .= toJSON (sourceColumn pos)]
ParsingTrace s pos ->
["type" .= String "ParsingTrace",
"contents" .= Text.pack s,
"source" .= Text.pack (sourceName pos),
"line" .= sourceLine pos,
"column" .= sourceColumn pos]
InlineNotRendered il ->
["type" .= String "InlineNotRendered",
"contents" .= toJSON il]
BlockNotRendered bl ->
["type" .= String "BlockNotRendered",
"contents" .= toJSON bl]
DocxParserWarning s ->
["type" .= String "DocxParserWarning",
"contents" .= Text.pack s]
CouldNotFetchResource fp s ->
["type" .= String "CouldNotFetchResource",
"path" .= Text.pack fp,
"message" .= Text.pack s]
CouldNotDetermineImageSize fp s ->
["type" .= String "CouldNotDetermineImageSize",
"path" .= Text.pack fp,
"message" .= Text.pack s]
CouldNotDetermineMimeType fp ->
["type" .= String "CouldNotDetermineMimeType",
"path" .= Text.pack fp]
CouldNotConvertTeXMath s msg ->
["type" .= String "CouldNotConvertTeXMath",
"contents" .= Text.pack s,
"message" .= Text.pack msg]
showPos :: SourcePos -> String
showPos pos = sn ++ "line " ++
show (sourceLine pos) ++ " column " ++ show (sourceColumn pos)
where sn = if sourceName pos == "source" || sourceName pos == ""
then ""
else sourceName pos ++ " "
encodeLogMessages :: [LogMessage] -> BL.ByteString
encodeLogMessages ms =
encodePretty' defConfig{ confCompare =
keyOrder [ "type", "verbosity", "contents", "message", "path",
"source", "line", "column" ] } ms
showLogMessage :: LogMessage -> String
showLogMessage msg =
case msg of
SkippedContent s pos ->
"Skipped '" ++ s ++ "' at " ++ showPos pos
CouldNotParseYamlMetadata s pos ->
"Could not parse YAML metadata at " ++ showPos pos ++
if null s then "" else (": " ++ s)
DuplicateLinkReference s pos ->
"Duplicate link reference '" ++ s ++ "' at " ++ showPos pos
DuplicateNoteReference s pos ->
"Duplicate note reference '" ++ s ++ "' at " ++ showPos pos
ReferenceNotFound s pos ->
"Reference not found for '" ++ s ++ "' at " ++ showPos pos
ParsingUnescaped s pos ->
"Parsing unescaped '" ++ s ++ "' at " ++ showPos pos
CouldNotLoadIncludeFile fp pos ->
"Could not load include file '" ++ fp ++ "' at " ++ showPos pos
ParsingTrace s pos ->
"Parsing trace at " ++ showPos pos ++ ": " ++ s
InlineNotRendered il ->
"Not rendering " ++ show il
BlockNotRendered bl ->
"Not rendering " ++ show bl
DocxParserWarning s ->
"Docx parser warning: " ++ s
CouldNotFetchResource fp s ->
"Could not fetch resource '" ++ fp ++ "'" ++
if null s then "" else (": " ++ s)
CouldNotDetermineImageSize fp s ->
"Could not determine image size for '" ++ fp ++ "'" ++
if null s then "" else (": " ++ s)
CouldNotDetermineMimeType fp ->
"Could not determine mime type for '" ++ fp ++ "'"
CouldNotConvertTeXMath s m ->
"Could not convert TeX math '" ++ s ++ "', rendering as TeX" ++
if null m then "" else (':':'\n':m)
messageVerbosity:: LogMessage -> Verbosity
messageVerbosity msg =
case msg of
SkippedContent{} -> INFO
CouldNotParseYamlMetadata{} -> WARNING
DuplicateLinkReference{} -> WARNING
DuplicateNoteReference{} -> WARNING
ReferenceNotFound{} -> WARNING
CouldNotLoadIncludeFile{} -> WARNING
ParsingUnescaped{} -> INFO
ParsingTrace{} -> DEBUG
InlineNotRendered{} -> INFO
BlockNotRendered{} -> INFO
DocxParserWarning{} -> WARNING
CouldNotFetchResource{} -> WARNING
CouldNotDetermineImageSize{} -> WARNING
CouldNotDetermineMimeType{} -> WARNING
CouldNotConvertTeXMath{} -> WARNING
|
