diff options
| -rw-r--r-- | README | 12 | ||||
| -rw-r--r-- | src/Text/Pandoc/Writers/ConTeXt.hs | 92 |
2 files changed, 77 insertions, 27 deletions
@@ -707,13 +707,13 @@ wrapping). Consider, for example: #22, for example, and #5. -### Header identifiers in HTML ### +### Header identifiers in HTML and ConTeXt ### *Pandoc extension*. -Each header element in pandoc's HTML output is given a unique -identifier. This identifier is based on the text of the header. To -derive the identifier from the header text, +Each header element in pandoc's HTML and ConTeXt output is given a +unique identifier. This identifier is based on the text of the header. +To derive the identifier from the header text, - Remove all formatting, links, etc. - Remove all punctuation, except underscores, hyphens, and periods. @@ -745,10 +745,10 @@ also make it easy to provide links from one section of a document to another. A link to this section, for example, might look like this: See the section on - [header identifiers](#header-identifiers-in-html). + [header identifiers][#header-identifiers-in-html]. Note, however, that this method of providing links to sections works -only in HTML. +only in HTML and ConTeXt formats. If the `--section-divs` option is specified, then each section will be wrapped in a `div` (or a `section`, if `--html5` was specified), diff --git a/src/Text/Pandoc/Writers/ConTeXt.hs b/src/Text/Pandoc/Writers/ConTeXt.hs index 58cba268f..9ea82268a 100644 --- a/src/Text/Pandoc/Writers/ConTeXt.hs +++ b/src/Text/Pandoc/Writers/ConTeXt.hs @@ -69,8 +69,8 @@ pandocToConTeXt options (Pandoc (Meta title authors date) blocks) = do datetext <- if null date then return "" else liftM (render colwidth) $ inlineListToConTeXt date - body <- blockListToConTeXt blocks - let main = render colwidth $ body + body <- mapM (elementToConTeXt options) $ hierarchicalize blocks + let main = (render colwidth . cat) body let context = writerVariables options ++ [ ("toc", if writerTableOfContents options then "yes" else "") , ("body", main) @@ -113,6 +113,14 @@ escapeCharForConTeXt ch = stringToConTeXt :: String -> String stringToConTeXt = concatMap escapeCharForConTeXt +-- | Convert Elements to ConTeXt +elementToConTeXt :: WriterOptions -> Element -> State WriterState Doc +elementToConTeXt _ (Blk block) = blockToConTeXt block +elementToConTeXt opts (Sec level _ id' title' elements) = do + header' <- sectionHeader id' level title' + innerContents <- mapM (elementToConTeXt opts) elements + return $ cat (header' : innerContents) + -- | Convert Pandoc block element to ConTeXt. blockToConTeXt :: Block -> State WriterState Doc @@ -172,17 +180,8 @@ blockToConTeXt (OrderedList (start, style', delim) lst) = do blockToConTeXt (DefinitionList lst) = liftM vcat $ mapM defListItemToConTeXt lst blockToConTeXt HorizontalRule = return $ "\\thinrule" <> blankline -blockToConTeXt (Header level lst) = do - contents <- inlineListToConTeXt lst - st <- get - let opts = stOptions st - let level' = if writerChapters opts then level - 1 else level - return $ if level' >= 1 && level' <= 5 - then char '\\' <> text (concat (replicate (level' - 1) "sub")) <> - text "section" <> char '{' <> contents <> char '}' <> blankline - else if level' == 0 - then "\\chapter{" <> contents <> "}" - else contents <> blankline +-- If this is ever executed, provide a default for the reference identifier. +blockToConTeXt (Header level lst) = sectionHeader "" level lst blockToConTeXt (Table caption aligns widths heads rows) = do let colDescriptor colWidth alignment = (case alignment of AlignLeft -> 'l' @@ -274,20 +273,40 @@ inlineToConTeXt (LineBreak) = return $ text "\\crlf" <> cr inlineToConTeXt Space = return space -- ConTeXT has its own way of printing links inlineToConTeXt (Link [Code _ str] (src, tit)) = inlineToConTeXt (Link [Str str] (src, tit)) +-- Handle HTML-like internal document references to sections +inlineToConTeXt (Link txt (('#' : ref), _)) = do + st <- get + let opts = stOptions st + let numberedSections = writerNumberSections opts + label <- inlineListToConTeXt $ bottomUp hyphenateURL (normalize txt) + let hasLabel = (not . isEmpty) label + let label' = if hasLabel + then label <+> text "(" + else if numberedSections + then text "Section" + else empty + let label'' = braces $ if hasLabel + then text ")" + else empty + return $ text "\\in" + <> braces label' + <> braces label'' + <> brackets (text ref) + -- Convert link's text, hyphenating URLs when they're seen (does deep list inspection) inlineToConTeXt (Link txt (src, _)) = do st <- get let next = stNextRef st put $ st {stNextRef = next + 1} let ref = "url" ++ show next - let hyphenateURL (Str str) | isURI str = - RawInline "context" ("\\hyphenatedurl{" ++ str ++ "}") - hyphenateURL x = x - label <- inlineListToConTeXt (bottomUp hyphenateURL $ normalize txt) - return $ "\\useURL" <> brackets (text ref) <> - brackets (text $ escapeStringUsing [('#',"\\#")] src) <> - brackets empty <> brackets label <> - "\\from" <> brackets (text ref) + label <- inlineListToConTeXt $ bottomUp hyphenateURL (normalize txt) + return $ "\\useURL" + <> brackets (text ref) + <> brackets (text $ escapeStringUsing [('#',"\\#")] src) + <> brackets empty + <> brackets label + <> "\\from" + <> brackets (text ref) inlineToConTeXt (Image _ (src, _)) = do let src' = if isURI src then src @@ -302,3 +321,34 @@ inlineToConTeXt (Note contents) = do then text "\\footnote{" <> nest 2 contents' <> char '}' else text "\\startbuffer " <> nest 2 contents' <> text "\\stopbuffer\\footnote{\\getbuffer}" + +-- | Craft the section header, inserting the secton reference, if supplied. +sectionHeader :: [Char] + -> Int + -> [Inline] + -> State WriterState Doc +sectionHeader ident hdrLevel lst = do + contents <- (inlineListToConTeXt . normalize) lst + st <- get + let opts = stOptions st + let level' = if writerChapters opts then hdrLevel - 1 else hdrLevel + return $ if level' >= 1 && level' <= 5 + then char '\\' + <> text (concat (replicate (level' - 1) "sub")) + <> text "section" + <> (if (not . null) ident then brackets (text ident) else empty) + <> braces contents + <> blankline + else if level' == 0 + then "\\chapter{" <> contents <> "}" + else contents <> blankline + +-- | Convert absolute URLs/URIs to ConTeXt raw inlines so that they are hyphenated. +hyphenateURL :: Inline + -> Inline +hyphenateURL x = + case x of + (Str str) -> if isAbsoluteURI str + then (RawInline "context" ("\\hyphenatedurl{" ++ str ++ "}")) + else x + _otherwise -> x |