{-# LANGUAGE DeriveDataTypeable, DeriveGeneric #-} {- Copyright (C) 2012-2016 John MacFarlane 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.Options Copyright : Copyright (C) 2012-2016 John MacFarlane License : GNU GPL, version 2 or above Maintainer : John MacFarlane Stability : alpha Portability : portable Data structures and functions for representing parser and writer options. -} module Text.Pandoc.Options ( Extension(..) , pandocExtensions , plainExtensions , strictExtensions , phpMarkdownExtraExtensions , githubMarkdownExtensions , multimarkdownExtensions , ReaderOptions(..) , HTMLMathMethod (..) , CiteMethod (..) , ObfuscationMethod (..) , HTMLSlideVariant (..) , EPUBVersion (..) , WrapOption (..) , TopLevelDivision (..) , WriterOptions (..) , TrackChanges (..) , ReferenceLocation (..) , def , isEnabled ) where import Data.Set (Set) import qualified Data.Set as Set import Data.Default import Text.Pandoc.Highlighting (Style, pygments) import Text.Pandoc.MediaBag (MediaBag) import Data.Data (Data) import Data.Typeable (Typeable) import GHC.Generics (Generic) -- | Individually selectable syntax extensions. data Extension = Ext_footnotes -- ^ Pandoc/PHP/MMD style footnotes | Ext_inline_notes -- ^ Pandoc-style inline notes | Ext_pandoc_title_block -- ^ Pandoc title block | Ext_yaml_metadata_block -- ^ YAML metadata block | Ext_mmd_title_block -- ^ Multimarkdown metadata block | Ext_table_captions -- ^ Pandoc-style table captions | Ext_implicit_figures -- ^ A paragraph with just an image is a figure | Ext_simple_tables -- ^ Pandoc-style simple tables | Ext_multiline_tables -- ^ Pandoc-style multiline tables | Ext_grid_tables -- ^ Grid tables (pandoc, reST) | Ext_pipe_tables -- ^ Pipe tables (as in PHP markdown extra) | Ext_citations -- ^ Pandoc/citeproc citations | Ext_raw_tex -- ^ Allow raw TeX (other than math) | Ext_raw_html -- ^ Allow raw HTML | Ext_tex_math_dollars -- ^ TeX math between $..$ or $$..$$ | Ext_tex_math_single_backslash -- ^ TeX math btw \(..\) \[..\] | Ext_tex_math_double_backslash -- ^ TeX math btw \\(..\\) \\[..\\] | Ext_latex_macros -- ^ Parse LaTeX macro definitions (for math only) | Ext_fenced_code_blocks -- ^ Parse fenced code blocks | Ext_fenced_code_attributes -- ^ Allow attributes on fenced code blocks | Ext_backtick_code_blocks -- ^ GitHub style ``` code blocks | Ext_inline_code_attributes -- ^ Allow attributes on inline code | Ext_markdown_in_html_blocks -- ^ Interpret as markdown inside HTML blocks | Ext_native_divs -- ^ Use Div blocks for contents of
tags | Ext_native_spans -- ^ Use Span inlines for contents of | Ext_bracketed_spans -- ^ Bracketed spans with attributes | Ext_markdown_attribute -- ^ Interpret text inside HTML as markdown -- iff container has attribute 'markdown' | Ext_escaped_line_breaks -- ^ Treat a backslash at EOL as linebreak | Ext_link_attributes -- ^ link and image attributes | Ext_mmd_link_attributes -- ^ MMD style reference link attributes | Ext_autolink_bare_uris -- ^ Make all absolute URIs into links | Ext_fancy_lists -- ^ Enable fancy list numbers and delimiters | Ext_lists_without_preceding_blankline -- ^ Allow lists without preceding blank | Ext_startnum -- ^ Make start number of ordered list significant | Ext_definition_lists -- ^ Definition lists as in pandoc, mmd, php | Ext_compact_definition_lists -- ^ Definition lists without -- space between items, and disallow laziness | Ext_example_lists -- ^ Markdown-style numbered examples | Ext_all_symbols_escapable -- ^ Make all non-alphanumerics escapable | Ext_angle_brackets_escapable -- ^ Make < and > escapable | Ext_intraword_underscores -- ^ Treat underscore inside word as literal | Ext_blank_before_blockquote -- ^ Require blank line before a blockquote | Ext_blank_before_header -- ^ Require blank line before a header | Ext_strikeout -- ^ Strikeout using ~~this~~ syntax | Ext_superscript -- ^ Superscript using ^this^ syntax | Ext_subscript -- ^ Subscript using ~this~ syntax | Ext_hard_line_breaks -- ^ All newlines become hard line breaks | Ext_ignore_line_breaks -- ^ Newlines in paragraphs are ignored | Ext_east_asian_line_breaks -- ^ Newlines in paragraphs are ignored between -- East Asian wide characters | Ext_literate_haskell -- ^ Enable literate Haskell conventions | Ext_abbreviations -- ^ PHP markdown extra abbreviation definitions | Ext_emoji -- ^ Support emoji like :smile: | Ext_auto_identifiers -- ^ Automatic identifiers for headers | Ext_ascii_identifiers -- ^ ascii-only identifiers for headers | Ext_header_attributes -- ^ Explicit header attributes {#id .class k=v} | Ext_mmd_header_identifiers -- ^ Multimarkdown style header identifiers [myid] | Ext_implicit_header_references -- ^ Implicit reference links for headers | Ext_line_blocks -- ^ RST style line blocks | Ext_epub_html_exts -- ^ Recognise the EPUB extended version of HTML | Ext_shortcut_reference_links -- ^ Shortcut reference links deriving (Show, Read, Enum, Eq, Ord, Bounded, Data, Typeable, Generic) pandocExtensions :: Set Extension pandocExtensions = Set.fromList [ Ext_footnotes , Ext_inline_notes , Ext_pandoc_title_block , Ext_yaml_metadata_block , Ext_table_captions , Ext_implicit_figures , Ext_simple_tables , Ext_multiline_tables , Ext_grid_tables , Ext_pipe_tables , Ext_citations , Ext_raw_tex , Ext_raw_html , Ext_tex_math_dollars , Ext_latex_macros , Ext_fenced_code_blocks , Ext_fenced_code_attributes , Ext_backtick_code_blocks , Ext_inline_code_attributes , Ext_markdown_in_html_blocks , Ext_native_divs , Ext_native_spans , Ext_bracketed_spans , Ext_escaped_line_breaks , Ext_fancy_lists , Ext_startnum , Ext_definition_lists , Ext_example_lists , Ext_all_symbols_escapable , Ext_intraword_underscores , Ext_blank_before_blockquote , Ext_blank_before_header , Ext_strikeout , Ext_superscript , Ext_subscript , Ext_auto_identifiers , Ext_header_attributes , Ext_link_attributes , Ext_implicit_header_references , Ext_line_blocks , Ext_shortcut_reference_links ] plainExtensions :: Set Extension plainExtensions = Set.fromList [ Ext_table_captions , Ext_implicit_figures , Ext_simple_tables , Ext_multiline_tables , Ext_grid_tables , Ext_latex_macros , Ext_fancy_lists , Ext_startnum , Ext_definition_lists , Ext_example_lists , Ext_intraword_underscores , Ext_blank_before_blockquote , Ext_blank_before_header , Ext_strikeout ] phpMarkdownExtraExtensions :: Set Extension phpMarkdownExtraExtensions = Set.fromList [ Ext_footnotes , Ext_pipe_tables , Ext_raw_html , Ext_markdown_attribute , Ext_fenced_code_blocks , Ext_definition_lists , Ext_intraword_underscores , Ext_header_attributes , Ext_link_attributes , Ext_abbreviations , Ext_shortcut_reference_links ] githubMarkdownExtensions :: Set Extension githubMarkdownExtensions = Set.fromList [ Ext_angle_brackets_escapable , Ext_pipe_tables , Ext_raw_html , Ext_fenced_code_blocks , Ext_auto_identifiers , Ext_ascii_identifiers , Ext_backtick_code_blocks , Ext_autolink_bare_uris , Ext_intraword_underscores , Ext_strikeout , Ext_hard_line_breaks , Ext_emoji , Ext_lists_without_preceding_blankline , Ext_shortcut_reference_links ] multimarkdownExtensions :: Set Extension multimarkdownExtensions = Set.fromList [ Ext_pipe_tables , Ext_raw_html , Ext_markdown_attribute , Ext_mmd_link_attributes -- , Ext_raw_tex -- Note: MMD's raw TeX syntax requires raw TeX to be -- enclosed in HTML comment , Ext_tex_math_double_backslash , Ext_intraword_underscores , Ext_mmd_title_block , Ext_footnotes , Ext_definition_lists , Ext_all_symbols_escapable , Ext_implicit_header_references , Ext_auto_identifiers , Ext_mmd_header_identifiers , Ext_implicit_figures -- Note: MMD's syntax for superscripts and subscripts -- is a bit more permissive than pandoc's, allowing -- e^2 and a~1 instead of e^2^ and a~1~, so even with -- these options we don't have full support for MMD -- superscripts and subscripts, but there's no reason -- not to include these: , Ext_superscript , Ext_subscript ] strictExtensions :: Set Extension strictExtensions = Set.fromList [ Ext_raw_html , Ext_shortcut_reference_links ] data ReaderOptions = ReaderOptions{ readerExtensions :: Set Extension -- ^ Syntax extensions , readerSmart :: Bool -- ^ Smart punctuation , readerStandalone :: Bool -- ^ Standalone document with header , readerParseRaw :: Bool -- ^ Parse raw HTML, LaTeX , readerColumns :: Int -- ^ Number of columns in terminal , readerTabStop :: Int -- ^ Tab stop , readerOldDashes :: Bool -- ^ Use pandoc <= 1.8.2.1 behavior -- in parsing dashes; -- is em-dash; -- - before numerial is en-dash , readerApplyMacros :: Bool -- ^ Apply macros to TeX math , readerIndentedCodeClasses :: [String] -- ^ Default classes for -- indented code blocks , readerDefaultImageExtension :: String -- ^ Default extension for images , readerTrace :: Bool -- ^ Print debugging info , readerTrackChanges :: TrackChanges , readerFileScope :: Bool -- ^ Parse before combining } deriving (Show, Read, Data, Typeable, Generic) instance Default ReaderOptions where def = ReaderOptions{ readerExtensions = pandocExtensions , readerSmart = False , readerStandalone = False , readerParseRaw = False , readerColumns = 80 , readerTabStop = 4 , readerOldDashes = False , readerApplyMacros = True , readerIndentedCodeClasses = [] , readerDefaultImageExtension = "" , readerTrace = False , readerTrackChanges = AcceptChanges , readerFileScope = False } -- -- Writer options -- data EPUBVersion = EPUB2 | EPUB3 deriving (Eq, Show, Read, Data, Typeable, Generic) data HTMLMathMethod = PlainMath | LaTeXMathML (Maybe String) -- url of LaTeXMathML.js | JsMath (Maybe String) -- url of jsMath load script | GladTeX | WebTeX String -- url of TeX->image script. | MathML (Maybe String) -- url of MathMLinHTML.js | MathJax String -- url of MathJax.js | KaTeX String String -- url of stylesheet and katex.js deriving (Show, Read, Eq, Data, Typeable, Generic) data CiteMethod = Citeproc -- use citeproc to render them | Natbib -- output natbib cite commands | Biblatex -- output biblatex cite commands deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Methods for obfuscating email addresses in HTML. data ObfuscationMethod = NoObfuscation | ReferenceObfuscation | JavascriptObfuscation deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Varieties of HTML slide shows. data HTMLSlideVariant = S5Slides | SlidySlides | SlideousSlides | DZSlides | RevealJsSlides | NoSlides deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Options for accepting or rejecting MS Word track-changes. data TrackChanges = AcceptChanges | RejectChanges | AllChanges deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Options for wrapping text in the output. data WrapOption = WrapAuto -- ^ Automatically wrap to width | WrapNone -- ^ No non-semantic newlines | WrapPreserve -- ^ Preserve wrapping of input source deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Options defining the type of top-level headers. data TopLevelDivision = TopLevelPart -- ^ Top-level headers become parts | TopLevelChapter -- ^ Top-level headers become chapters | TopLevelSection -- ^ Top-level headers become sections | TopLevelDefault -- ^ Top-level type is determined via -- heuristics deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Locations for footnotes and references in markdown output data ReferenceLocation = EndOfBlock -- ^ End of block | EndOfSection -- ^ prior to next section header (or end of document) | EndOfDocument -- ^ at end of document deriving (Show, Read, Eq, Data, Typeable, Generic) -- | Options for writers data WriterOptions = WriterOptions { writerTemplate :: Maybe String -- ^ Template to use , writerVariables :: [(String, String)] -- ^ Variables to set in template , writerTabStop :: Int -- ^ Tabstop for conversion btw spaces and tabs , writerTableOfContents :: Bool -- ^ Include table of contents , writerSlideVariant :: HTMLSlideVariant -- ^ Are we writing S5, Slidy or Slideous? , writerIncremental :: Bool -- ^ True if lists should be incremental , writerHTMLMathMethod :: HTMLMathMethod -- ^ How to print math in HTML , writerIgnoreNotes :: Bool -- ^ Ignore footnotes (used in making toc) , writerNumberSections :: Bool -- ^ Number sections in LaTeX , writerNumberOffset :: [Int] -- ^ Starting number for section, subsection, ... , writerSectionDivs :: Bool -- ^ Put sections in div tags in HTML , writerExtensions :: Set Extension -- ^ Markdown extensions that can be used , writerReferenceLinks :: Bool -- ^ Use reference links in writing markdown, rst , writerDpi :: Int -- ^ Dpi for pixel to/from inch/cm conversions , writerWrapText :: WrapOption -- ^ Option for wrapping text , writerColumns :: Int -- ^ Characters in a line (for text wrapping) , writerEmailObfuscation :: ObfuscationMethod -- ^ How to obfuscate emails , writerIdentifierPrefix :: String -- ^ Prefix for section & note ids in HTML -- and for footnote marks in markdown , writerSourceURL :: Maybe String -- ^ Absolute URL + directory of 1st source file , writerUserDataDir :: Maybe FilePath -- ^ Path of user data directory , writerCiteMethod :: CiteMethod -- ^ How to print cites , writerDocbook5 :: Bool -- ^ Produce DocBook5 , writerHtml5 :: Bool -- ^ Produce HTML5 , writerHtmlQTags :: Bool -- ^ Use @@ tags for quotes in HTML , writerBeamer :: Bool -- ^ Produce beamer LaTeX slide show , writerSlideLevel :: Maybe Int -- ^ Force header level of slides , writerTopLevelDivision :: TopLevelDivision -- ^ Type of top-level divisions , writerListings :: Bool -- ^ Use listings package for code , writerHighlight :: Bool -- ^ Highlight source code , writerHighlightStyle :: Style -- ^ Style to use for highlighting , writerSetextHeaders :: Bool -- ^ Use setext headers for levels 1-2 in markdown , writerTeXLigatures :: Bool -- ^ Use tex ligatures quotes, dashes in latex , writerEpubVersion :: Maybe EPUBVersion -- ^ Nothing or EPUB version , writerEpubMetadata :: String -- ^ Metadata to include in EPUB , writerEpubStylesheet :: Maybe String -- ^ EPUB stylesheet specified at command line , writerEpubFonts :: [FilePath] -- ^ Paths to fonts to embed , writerEpubChapterLevel :: Int -- ^ Header level for chapters (separate files) , writerTOCDepth :: Int -- ^ Number of levels to include in TOC , writerReferenceODT :: Maybe FilePath -- ^ Path to reference ODT if specified , writerReferenceDocx :: Maybe FilePath -- ^ Path to reference DOCX if specified , writerMediaBag :: MediaBag -- ^ Media collected by docx or epub reader , writerVerbose :: Bool -- ^ Verbose debugging output , writerLaTeXArgs :: [String] -- ^ Flags to pass to latex-engine , writerReferenceLocation :: ReferenceLocation -- ^ Location of footnotes and references for writing markdown } deriving (Show, Data, Typeable, Generic) instance Default WriterOptions where def = WriterOptions { writerTemplate = Nothing , writerVariables = [] , writerTabStop = 4 , writerTableOfContents = False , writerSlideVariant = NoSlides , writerIncremental = False , writerHTMLMathMethod = PlainMath , writerIgnoreNotes = False , writerNumberSections = False , writerNumberOffset = [0,0,0,0,0,0] , writerSectionDivs = False , writerExtensions = pandocExtensions , writerReferenceLinks = False , writerDpi = 96 , writerWrapText = WrapAuto , writerColumns = 72 , writerEmailObfuscation = NoObfuscation , writerIdentifierPrefix = "" , writerSourceURL = Nothing , writerUserDataDir = Nothing , writerCiteMethod = Citeproc , writerDocbook5 = False , writerHtml5 = False , writerHtmlQTags = False , writerBeamer = False , writerSlideLevel = Nothing , writerTopLevelDivision = TopLevelDefault , writerListings = False , writerHighlight = False , writerHighlightStyle = pygments , writerSetextHeaders = True , writerTeXLigatures = True , writerEpubVersion = Nothing , writerEpubMetadata = "" , writerEpubStylesheet = Nothing , writerEpubFonts = [] , writerEpubChapterLevel = 1 , writerTOCDepth = 3 , writerReferenceODT = Nothing , writerReferenceDocx = Nothing , writerMediaBag = mempty , writerVerbose = False , writerLaTeXArgs = [] , writerReferenceLocation = EndOfDocument } -- | Returns True if the given extension is enabled. isEnabled :: Extension -> WriterOptions -> Bool isEnabled ext opts = ext `Set.member` (writerExtensions opts)