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-rw-r--r--src/Text/Pandoc/Readers/Docx/Parse.hs155
1 files changed, 125 insertions, 30 deletions
diff --git a/src/Text/Pandoc/Readers/Docx/Parse.hs b/src/Text/Pandoc/Readers/Docx/Parse.hs
index e7a6c3ffb..29b661d10 100644
--- a/src/Text/Pandoc/Readers/Docx/Parse.hs
+++ b/src/Text/Pandoc/Readers/Docx/Parse.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE PatternGuards, ViewPatterns #-}
+{-# LANGUAGE PatternGuards, ViewPatterns, FlexibleInstances #-}
{-
Copyright (C) 2014 Jesse Rosenthal <jrosenthal@jhu.edu>
@@ -65,7 +65,7 @@ import Text.Pandoc.Compat.Except
import Text.TeXMath.Readers.OMML (readOMML)
import Text.Pandoc.Readers.Docx.Fonts (getUnicode, Font(..))
import Text.TeXMath (Exp)
-import Data.Char (readLitChar, ord, chr)
+import Data.Char (readLitChar, ord, chr, isDigit)
data ReaderEnv = ReaderEnv { envNotes :: Notes
, envNumbering :: Numbering
@@ -73,6 +73,7 @@ data ReaderEnv = ReaderEnv { envNotes :: Notes
, envMedia :: Media
, envFont :: Maybe Font
, envCharStyles :: CharStyleMap
+ , envParStyles :: ParStyleMap
}
deriving Show
@@ -122,8 +123,12 @@ type Media = [(FilePath, B.ByteString)]
type CharStyle = (String, RunStyle)
+type ParStyle = (String, ParStyleData)
+
type CharStyleMap = M.Map String RunStyle
+type ParStyleMap = M.Map String ParStyleData
+
data Numbering = Numbering NameSpaces [Numb] [AbstractNumb]
deriving Show
@@ -152,6 +157,8 @@ data ParIndentation = ParIndentation { leftParIndent :: Maybe Integer
data ParagraphStyle = ParagraphStyle { pStyle :: [String]
, indentation :: Maybe ParIndentation
, dropCap :: Bool
+ , pHeading :: Maybe (String, Int)
+ , pBlockQuote :: Maybe Bool
}
deriving Show
@@ -159,6 +166,8 @@ defaultParagraphStyle :: ParagraphStyle
defaultParagraphStyle = ParagraphStyle { pStyle = []
, indentation = Nothing
, dropCap = False
+ , pHeading = Nothing
+ , pBlockQuote = Nothing
}
@@ -213,6 +222,11 @@ data RunStyle = RunStyle { isBold :: Maybe Bool
, rStyle :: Maybe CharStyle}
deriving Show
+data ParStyleData = ParStyleData { headingLev :: Maybe (String, Int)
+ , isBlockQuote :: Maybe Bool
+ , psStyle :: Maybe ParStyle}
+ deriving Show
+
defaultRunStyle :: RunStyle
defaultRunStyle = RunStyle { isBold = Nothing
, isItalic = Nothing
@@ -242,8 +256,8 @@ archiveToDocx archive = do
numbering = archiveToNumbering archive
rels = archiveToRelationships archive
media = archiveToMedia archive
- styles = archiveToStyles archive
- rEnv = ReaderEnv notes numbering rels media Nothing styles
+ (styles, parstyles) = archiveToStyles archive
+ rEnv = ReaderEnv notes numbering rels media Nothing styles parstyles
doc <- runD (archiveToDocument archive) rEnv
return $ Docx doc
@@ -263,47 +277,69 @@ elemToBody ns element | isElem ns "w" "body" element =
(\bps -> return $ Body bps)
elemToBody _ _ = throwError WrongElem
-archiveToStyles :: Archive -> CharStyleMap
+archiveToStyles :: Archive -> (CharStyleMap, ParStyleMap)
archiveToStyles zf =
let stylesElem = findEntryByPath "word/styles.xml" zf >>=
(parseXMLDoc . UTF8.toStringLazy . fromEntry)
in
case stylesElem of
- Nothing -> M.empty
+ Nothing -> (M.empty, M.empty)
Just styElem ->
let namespaces = mapMaybe attrToNSPair (elAttribs styElem)
in
- M.fromList $ buildBasedOnList namespaces styElem Nothing
+ ( M.fromList $ buildBasedOnList namespaces styElem
+ (Nothing :: Maybe CharStyle),
+ M.fromList $ buildBasedOnList namespaces styElem
+ (Nothing :: Maybe ParStyle) )
-isBasedOnStyle :: NameSpaces -> Element -> Maybe CharStyle -> Bool
+isBasedOnStyle :: (ElemToStyle a) => NameSpaces -> Element -> Maybe a -> Bool
isBasedOnStyle ns element parentStyle
| isElem ns "w" "style" element
- , Just "character" <- findAttr (elemName ns "w" "type") element
+ , Just styleType <- findAttr (elemName ns "w" "type") element
+ , styleType == cStyleType parentStyle
, Just basedOnVal <- findChild (elemName ns "w" "basedOn") element >>=
findAttr (elemName ns "w" "val")
- , Just (parentId, _) <- parentStyle = (basedOnVal == parentId)
+ , Just ps <- parentStyle = (basedOnVal == getStyleId ps)
| isElem ns "w" "style" element
- , Just "character" <- findAttr (elemName ns "w" "type") element
+ , Just styleType <- findAttr (elemName ns "w" "type") element
+ , styleType == cStyleType parentStyle
, Nothing <- findChild (elemName ns "w" "basedOn") element
, Nothing <- parentStyle = True
| otherwise = False
-elemToCharStyle :: NameSpaces -> Element -> Maybe CharStyle -> Maybe CharStyle
-elemToCharStyle ns element parentStyle
- | isElem ns "w" "style" element
- , Just "character" <- findAttr (elemName ns "w" "type") element
- , Just styleId <- findAttr (elemName ns "w" "styleId") element =
- Just (styleId, elemToRunStyle ns element parentStyle)
- | otherwise = Nothing
-
-getStyleChildren :: NameSpaces -> Element -> Maybe CharStyle -> [CharStyle]
+class ElemToStyle a where
+ cStyleType :: Maybe a -> String
+ elemToStyle :: NameSpaces -> Element -> Maybe a -> Maybe a
+ getStyleId :: a -> String
+
+instance ElemToStyle CharStyle where
+ cStyleType _ = "character"
+ elemToStyle ns element parentStyle
+ | isElem ns "w" "style" element
+ , Just "character" <- findAttr (elemName ns "w" "type") element
+ , Just styleId <- findAttr (elemName ns "w" "styleId") element =
+ Just (styleId, elemToRunStyle ns element parentStyle)
+ | otherwise = Nothing
+ getStyleId s = fst s
+
+instance ElemToStyle ParStyle where
+ cStyleType _ = "paragraph"
+ elemToStyle ns element parentStyle
+ | isElem ns "w" "style" element
+ , Just "paragraph" <- findAttr (elemName ns "w" "type") element
+ , Just styleId <- findAttr (elemName ns "w" "styleId") element =
+ Just (styleId, elemToParStyleData ns element parentStyle)
+ | otherwise = Nothing
+ getStyleId s = fst s
+
+getStyleChildren :: (ElemToStyle a) => NameSpaces -> Element -> Maybe a -> [a]
getStyleChildren ns element parentStyle
| isElem ns "w" "styles" element =
- mapMaybe (\e -> elemToCharStyle ns e parentStyle) $
+ mapMaybe (\e -> elemToStyle ns e parentStyle) $
filterChildren (\e' -> isBasedOnStyle ns e' parentStyle) element
| otherwise = []
-buildBasedOnList :: NameSpaces -> Element -> Maybe CharStyle -> [CharStyle]
+buildBasedOnList :: (ElemToStyle a) => NameSpaces -> Element -> Maybe a -> [a]
buildBasedOnList ns element rootStyle =
case (getStyleChildren ns element rootStyle) of
[] -> []
@@ -543,7 +579,8 @@ elemToBodyPart ns element
elemToBodyPart ns element
| isElem ns "w" "p" element
, Just (numId, lvl) <- elemToNumInfo ns element = do
- let parstyle = elemToParagraphStyle ns element
+ sty <- asks envParStyles
+ let parstyle = elemToParagraphStyle ns element sty
parparts <- mapD (elemToParPart ns) (elChildren element)
num <- asks envNumbering
case lookupLevel numId lvl num of
@@ -551,7 +588,8 @@ elemToBodyPart ns element
Nothing -> throwError WrongElem
elemToBodyPart ns element
| isElem ns "w" "p" element = do
- let parstyle = elemToParagraphStyle ns element
+ sty <- asks envParStyles
+ let parstyle = elemToParagraphStyle ns element sty
parparts <- mapD (elemToParPart ns) (elChildren element)
return $ Paragraph parstyle parparts
elemToBodyPart ns element
@@ -584,7 +622,7 @@ expandDrawingId s = do
target <- asks (lookupRelationship s . envRelationships)
case target of
Just filepath -> do
- bytes <- asks (lookup (combine "word" filepath) . envMedia)
+ bytes <- asks (lookup ("word/" ++ filepath) . envMedia)
case bytes of
Just bs -> return (filepath, bs)
Nothing -> throwError DocxError
@@ -684,14 +722,30 @@ elemToRun ns element
return $ Run runStyle runElems
elemToRun _ _ = throwError WrongElem
-elemToParagraphStyle :: NameSpaces -> Element -> ParagraphStyle
-elemToParagraphStyle ns element
+getParentStyleValue :: (ParStyleData -> Maybe a) -> ParStyleData -> Maybe a
+getParentStyleValue field style
+ | Just value <- field style = Just value
+ | Just parentStyle <- psStyle style
+ = getParentStyleValue field (snd parentStyle)
+getParentStyleValue _ _ = Nothing
+
+getParStyleField :: (ParStyleData -> Maybe a) -> ParStyleMap -> [String] ->
+ Maybe a
+getParStyleField field stylemap styles
+ | x <- mapMaybe (\x -> M.lookup x stylemap) styles
+ , (y:_) <- mapMaybe (getParentStyleValue field) x
+ = Just y
+getParStyleField _ _ _ = Nothing
+
+elemToParagraphStyle :: NameSpaces -> Element -> ParStyleMap -> ParagraphStyle
+elemToParagraphStyle ns element sty
| Just pPr <- findChild (elemName ns "w" "pPr") element =
- ParagraphStyle
- {pStyle =
+ let style =
mapMaybe
(findAttr (elemName ns "w" "val"))
(findChildren (elemName ns "w" "pStyle") pPr)
+ in ParagraphStyle
+ {pStyle = style
, indentation =
findChild (elemName ns "w" "ind") pPr >>=
elemToParIndentation ns
@@ -703,8 +757,10 @@ elemToParagraphStyle ns element
Just "none" -> False
Just _ -> True
Nothing -> False
+ , pHeading = getParStyleField headingLev sty style
+ , pBlockQuote = getParStyleField isBlockQuote sty style
}
-elemToParagraphStyle _ _ = defaultParagraphStyle
+elemToParagraphStyle _ _ _ = defaultParagraphStyle
checkOnOff :: NameSpaces -> Element -> QName -> Maybe Bool
checkOnOff ns rPr tag
@@ -758,6 +814,45 @@ elemToRunStyle ns element parentStyle
}
elemToRunStyle _ _ _ = defaultRunStyle
+isNumericNotNull :: String -> Bool
+isNumericNotNull str = (str /= []) && (all isDigit str)
+
+getHeaderLevel :: NameSpaces -> Element -> Maybe (String,Int)
+getHeaderLevel ns element
+ | Just styleId <- findAttr (elemName ns "w" "styleId") element
+ , Just index <- stripPrefix "Heading" styleId
+ , isNumericNotNull index = Just (styleId, read index)
+ | Just styleId <- findAttr (elemName ns "w" "styleId") element
+ , Just index <- findChild (elemName ns "w" "name") element >>=
+ findAttr (elemName ns "w" "val") >>=
+ stripPrefix "heading "
+ , isNumericNotNull index = Just (styleId, read index)
+getHeaderLevel _ _ = Nothing
+
+blockQuoteStyleIds :: [String]
+blockQuoteStyleIds = ["Quote", "BlockQuote", "BlockQuotation"]
+
+blockQuoteStyleNames :: [String]
+blockQuoteStyleNames = ["Quote", "Block Text"]
+
+getBlockQuote :: NameSpaces -> Element -> Maybe Bool
+getBlockQuote ns element
+ | Just styleId <- findAttr (elemName ns "w" "styleId") element
+ , styleId `elem` blockQuoteStyleIds = Just True
+ | Just styleName <- findChild (elemName ns "w" "name") element >>=
+ findAttr (elemName ns "w" "val")
+ , styleName `elem` blockQuoteStyleNames = Just True
+getBlockQuote _ _ = Nothing
+
+elemToParStyleData :: NameSpaces -> Element -> Maybe ParStyle -> ParStyleData
+elemToParStyleData ns element parentStyle =
+ ParStyleData
+ {
+ headingLev = getHeaderLevel ns element
+ , isBlockQuote = getBlockQuote ns element
+ , psStyle = parentStyle
+ }
+
elemToRunElem :: NameSpaces -> Element -> D RunElem
elemToRunElem ns element
| isElem ns "w" "t" element
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 07:27:15 +0000