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path: root/src/Text/Pandoc/Readers/Markdown.hs
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2007-08-28Performance improvements:fiddlosopher1-13/+11
+ Rearranged parsers in definition of 'inline' so that the most frequently used would (by and large) be tried first. + Removed some unneeded 'try's. + Removed tabchar parser, as whitespace handles tabs anyway. + All in all, these changes, together with the last two commits, cut almost in half the time it takes pandoc to parse a large test file. git-svn-id: https://pandoc.googlecode.com/svn/trunk@924 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-26Don't countfiddlosopher1-0/+1
p. 27 at the beginning of a line as an ordered list start, since it's most likely a page number. git-svn-id: https://pandoc.googlecode.com/svn/trunk@900 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-23Added new rule for enhanced markdown ordered lists: if the list markerfiddlosopher1-6/+9
is a capital letter followed by a period (including a single-letter capital roman numeral), then it must be followed by at least two spaces. The point of this is to avoid accidentally treating people's initials as list markers: a paragraph may begin: B. Russell was an English philosopher. and this shouldn't be treated as a list. Modified Markdown reader and README documentation. Added a test case. git-svn-id: https://pandoc.googlecode.com/svn/trunk@880 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-22Added a needed 'try' to listItem in Markdown reader.fiddlosopher1-1/+1
git-svn-id: https://pandoc.googlecode.com/svn/trunk@878 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-20Code cleanup in Markdown reader.fiddlosopher1-27/+18
git-svn-id: https://pandoc.googlecode.com/svn/trunk@877 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-20Changes to Markdown reader for better conformity to thefiddlosopher1-6/+12
Markdown test suite under --strict: + Removed check for a following setext header in endline. A full test is too inefficient (doubles benchmark time), and the substitute we had before is not 100% accurate. + Don't use Code elements for autolinks if --strict specified. git-svn-id: https://pandoc.googlecode.com/svn/trunk@876 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-19Refactor RST and Markdown readers using parseFromString.fiddlosopher1-16/+4
git-svn-id: https://pandoc.googlecode.com/svn/trunk@864 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-18+ Fixed bug in markdown ordered list parsing. The problem wasfiddlosopher1-2/+3
that anyOrderedListStart did not check for a space following the ordered list marker. So, 'A.B. 2007' would be parsed as a list item, then fail because of the lack of space after 'A.' (required by orderedListStart). Resolves Issue #22. + Fixed a similar problem in RST reader. + Added regression test. git-svn-id: https://pandoc.googlecode.com/svn/trunk@861 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-15Cosmetic changes.fiddlosopher1-4/+3
git-svn-id: https://pandoc.googlecode.com/svn/trunk@851 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-15Major code cleanup in all modules. (Removed unneeded imports,fiddlosopher1-389/+273
reformatted, etc.) More major changes are documented below: + Removed Text.Pandoc.ParserCombinators and moved all its definitions to Text.Pandoc.Shared. + In Text.Pandoc.Shared: - Removed unneeded 'try' in blanklines. - Removed endsWith function and rewrote functions to use isSuffixOf instead. - Added >>~ combinator. - Rewrote stripTrailingNewlines, removeLeadingSpaces. + Moved Text.Pandoc.Entities -> Text.Pandoc.CharacterReferences. - Removed unneeded functions charToEntity, charToNumericalEntity. - Renamed functions using proper terminology (character references, not entities). decodeEntities -> decodeCharacterReferences, characterEntity -> characterReference. - Moved escapeStringToXML to Docbook writer, which is the only thing that uses it. - Removed old entity parser in HTML and Markdown readers; replaced with new charRef parser in Text.Pandoc.Shared. + Fixed accent bug in Text.Pandoc.Readers.LaTeX: \^{} now correctly parses as a '^' character. + Text.Pandoc.ASCIIMathML is no longer an exported module. git-svn-id: https://pandoc.googlecode.com/svn/trunk@835 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-08-08Major change in the way ordered lists are handled:fiddlosopher1-16/+25
+ The changes are documented in README, under Lists. + The OrderedList block element now stores information about list number style, list number delimiter, and starting number. + The readers parse this information, when possible. + The writers use this information to style ordered lists. + Test suites have been changed accordingly. Motivation: It's often useful to start lists with numbers other than 1, and to have control over the style of the list. Added to Text.Pandoc.Shared: + camelCaseToHyphenated + toRomanNumeral + anyOrderedListMarker + orderedListMarker + orderedListMarkers Added to Text.Pandoc.ParserCombinators: + charsInBalanced' + withHorizDisplacement + romanNumeral RST writer: + Force blank line before lists, so that sublists will be handled correctly. LaTeX reader: + Fixed bug in parsing of footnotes containing multiple paragraphs, introduced by use of charsInBalanced. Fix: use charsInBalanced' instead. LaTeX header: + use mathletters option in ucs package, so that basic unicode Greek letters will work properly. git-svn-id: https://pandoc.googlecode.com/svn/trunk@834 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-28Changes to Markdown reader:fiddlosopher1-6/+7
+ added try to def of indentSpaces + in def of 'reference', check to make sure it's not a note reference first. git-svn-id: https://pandoc.googlecode.com/svn/trunk@827 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-28Make URLs and emails in autolinks appear as Code.fiddlosopher1-2/+2
git-svn-id: https://pandoc.googlecode.com/svn/trunk@810 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-23Renamed parseFromStr -> parseFromString.fiddlosopher1-3/+3
git-svn-id: https://pandoc.googlecode.com/svn/trunk@779 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-22Removed an extra occurance of escapedChar in definitionfiddlosopher1-1/+0
of inline. git-svn-id: https://pandoc.googlecode.com/svn/trunk@762 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-21+ Added support for Strikeout, Superscript, andfiddlosopher1-82/+64
Subscript in markdown reader. + Also replaced constants like emphStart with literals. git-svn-id: https://pandoc.googlecode.com/svn/trunk@752 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-16Simplified inlinesInBalanced, using lookAhead.fiddlosopher1-5/+5
git-svn-id: https://pandoc.googlecode.com/svn/trunk@732 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-15Markdown reader: Added inlinesInBalanced parser combinator tofiddlosopher1-29/+24
unify treatment of embedded brackets in links and inline footnotes. Note that the solution adopted here causes one of John Gruber's markdown tests to fail: [with_underscore](/url/with_underscore) Here the whole phrase "underscore](/url/with" is treated as emphasized. The previous version of the markdown reader handled this the way Gruber's script handles it, but it ran into trouble on the following: [link with verbatim `]`](/url) where the inner ] was treated as the end of the reference link label. I don't see any good way to handle both cases in the framework of pandoc, so I choose to require an escape in the first example: [with\_underscore](/url/with_underscore) git-svn-id: https://pandoc.googlecode.com/svn/trunk@729 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-09Markdown reader: Parse bracketed text in inline footnotes. Previously,fiddlosopher1-2/+10
"test^[my [note] contains brackets]" would yield a note with contents "my [note". Now it yields a note with contents "my [note] contains brackets". New function: inlinesInBrackets. Resolves Issue 14. git-svn-id: https://pandoc.googlecode.com/svn/trunk@665 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-09Moved Text.ParserCombinators.Pandoc ->fiddlosopher1-1/+1
Text.Pandoc.ParserCombinators. This way, all the Pandoc modules are in one place. git-svn-id: https://pandoc.googlecode.com/svn/trunk@663 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-07Adjusted copyright notices to 2006-7; usefiddlosopher1-3/+3
real email address instead of lamely attempting to obfuscate. git-svn-id: https://pandoc.googlecode.com/svn/trunk@640 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-07-06Fixed bug in Markdown reader: links in footnotes were notfiddlosopher1-4/+10
being processed. Solution: three-stage parse. First, get all the reference keys and add information to state. Next, get all the notes and add information to state. (Reference keys may be needed at this stage.) Finally, parse everything else. git-svn-id: https://pandoc.googlecode.com/svn/trunk@625 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-05-10Require blankspace (but not multiple lines) between URL andfiddlosopher1-5/+6
title in links and reference keys. (Markdown reader.) git-svn-id: https://pandoc.googlecode.com/svn/trunk@599 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-05-03Changed definition list syntax in markdown reader and simplifiedfiddlosopher1-10/+9
the parsing code. A colon is now required before every block in a definition. This fixes a problem with the old syntax, in which the last block in the following was ambiguous between a regular paragraph in the definition and a code block following the definition list: term : definition is this code or more definition? git-svn-id: https://pandoc.googlecode.com/svn/trunk@589 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-04-22Resolved issue #10: instead of adding "\n\n" to thefiddlosopher1-1/+1
end of strings in Main, do it in readMarkdown and readRST. (Note: the point of this is to ensure that a block at the end of the file gets treated as if it has blank space after it, which is generally what is wanted.) git-svn-id: https://pandoc.googlecode.com/svn/trunk@588 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-04-10Extensive changes stemming from a rethinking of the Pandoc datafiddlosopher1-123/+94
structure. Key and Note blocks have been removed. Link and image URLs are now stored directly in Link and Image inlines, and note blocks are stored in Note inlines. This requires changes in both parsers and writers. Markdown and RST parsers need to extract data from key and note blocks and insert them into the relevant inline elements. Other parsers can be simplified, since there is no longer any need to construct separate key and note blocks. Markdown, RST, and HTML writers need to construct lists of notes; Markdown and RST writers need to construct lists of link references (when the --reference-links option is specified); and the RST writer needs to construct a list of image substitution references. All writers have been rewritten to use the State monad when state is required. This rewrite yields a small speed boost and considerably cleaner code. * Text/Pandoc/Definition.hs: + blocks: removed Key and Note + inlines: removed NoteRef, added Note + modified Target: there is no longer a 'Ref' target; all targets are explicit URL, title pairs * Text/Pandoc/Shared.hs: + Added 'Reference', 'isNoteBlock', 'isKeyBlock', 'isLineClump', used in some of the readers. + Removed 'generateReference', 'keyTable', 'replaceReferenceLinks', 'replaceRefLinksBlockList', along with some auxiliary functions used only by them. These are no longer needed, since reference links are resolved in the Markdown and RST readers. + Moved 'inTags', 'selfClosingTag', 'inTagsSimple', and 'inTagsIndented' to the Docbook writer, since that is now the only module that uses them. + Changed name of 'escapeSGMLString' to 'escapeStringForXML' + Added KeyTable and NoteTable types + Removed fields from ParserState; 'stateKeyBlocks', 'stateKeysUsed', 'stateNoteBlocks', 'stateNoteIdentifiers', 'stateInlineLinks'. Added 'stateKeys' and 'stateNotes'. + Added clause for Note to 'prettyBlock'. + Added 'writerNotes', 'writerReferenceLinks' fields to WriterOptions. * Text/Pandoc/Entities.hs: Renamed 'escapeSGMLChar' and 'escapeSGMLString' to 'escapeCharForXML' and 'escapeStringForXML' * Text/ParserCombinators/Pandoc.hs: Added lineClump parser: parses a raw line block up to and including following blank lines. * Main.hs: Replaced --inline-links with --reference-links. * README: + Documented --reference-links and removed description of --inline-links. + Added note that footnotes may occur anywhere in the document, but must be at the outer level, not embedded in block elements. * man/man1/pandoc.1, man/man1/html2markdown.1: Removed --inline-links option, added --reference-links option * Markdown and RST readers: + Rewrote to fit new Pandoc definition. Since there are no longer Note or Key blocks, all note and key blocks are parsed on a first pass through the document. Once tables of notes and keys have been constructed, the remaining parts of the document are reassembled and parsed. + Refactored link parsers. * LaTeX and HTML readers: Rewrote to fit new Pandoc definition. Since there are no longer Note or Key blocks, notes and references can be parsed in a single pass through the document. * RST, Markdown, and HTML writers: Rewrote using state monad new Pandoc and definition. State is used to hold lists of references footnotes to and be printed at the end of the document. * RTF and LaTeX writers: Rewrote using new Pandoc definition. (Because of the different treatment of footnotes, the "notes" parameter is no longer needed in the block and inline conversion functions.) * Docbook writer: + Moved the functions 'attributeList', 'inTags', 'selfClosingTag', 'inTagsSimple', 'inTagsIndented' from Text/Pandoc/Shared, since they are now used only by the Docbook writer. + Rewrote using new Pandoc definition. (Because of the different treatment of footnotes, the "notes" parameter is no longer needed in the block and inline conversion functions.) * Updated test suite * Throughout: old haskell98 module names replaced by hierarchical module names, e.g. List by Data.List. * debian/control: Include libghc6-xhtml-dev instead of libghc6-html-dev in "Build-Depends." * cabalize: + Remove haskell98 from BASE_DEPENDS (since now the new hierarchical module names are being used throughout) + Added mtl to BASE_DEPENDS (needed for state monad) + Removed html from GHC66_DEPENDS (not needed since xhtml is now used) git-svn-id: https://pandoc.googlecode.com/svn/trunk@580 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-17Removed Blank block element as unnecessary.fiddlosopher1-1/+1
git-svn-id: https://pandoc.googlecode.com/svn/trunk@578 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-17Consolidated 'text', 'special', and 'inline' into 'inline'.fiddlosopher1-8/+23
git-svn-id: https://pandoc.googlecode.com/svn/trunk@577 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-16Added trys to two list start routines. Reason:fiddlosopher1-4/+4
<|> only parses second parser when first hasn't consumed input. git-svn-id: https://pandoc.googlecode.com/svn/trunk@576 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-11Changes to Markdown reader relating to definition lists:fiddlosopher1-5/+11
+ fixed bug in indentSpaces (which didn't properly handle cases with mixed spaces and tabs) + rewrote definition list code to conform to new syntax + include definition lists in list block + failIfStrict on definition lists git-svn-id: https://pandoc.googlecode.com/svn/trunk@572 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-10Changed syntax of definition lists in Markdown parser:fiddlosopher1-6/+7
+ definition blocks must be indented throughout (not just in first line) + compact lists can be formed by leaving no blank line between a definition and the next term git-svn-id: https://pandoc.googlecode.com/svn/trunk@568 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-10Added parser for definition lists, derived from reStructuredTextfiddlosopher1-3/+32
syntax: term 1 Definition 1 Paragraph 2 of definition 1. term 2 There must be whitespace between entries. Any kind of block may serve as a definition, but the first line of each block must be indented. terms can contain any *inline* elements If you want to be lazy, you can just indent the first line of the definition block. git-svn-id: https://pandoc.googlecode.com/svn/trunk@566 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-09Change in ordered lists in Markdown reader:fiddlosopher1-6/+12
+ Lists may begin with lowercase letters only, and only 'a' through 'n'. Otherwise first initials and page references (e.g., p. 400) are too easily parsed as lists. + Numbers beginning list items must end with '.' (not ')', which is now allowed only after letters). NOTE: This change may cause documents to be parsed differently. Users should take care in upgrading. git-svn-id: https://pandoc.googlecode.com/svn/trunk@561 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-07More smart quote adjustments:fiddlosopher1-4/+2
+ remove support for all-caps contractions (too much potential for conflict with things like 'M. Mitterand') + add support for 'm as a contraction git-svn-id: https://pandoc.googlecode.com/svn/trunk@560 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-03-07Smart quote parsing in Markdown reader:fiddlosopher1-2/+4
treat ' followed by ll, re, ve, then a non-letter, as a contraction. (e.g. I've, you're, he'll) git-svn-id: https://pandoc.googlecode.com/svn/trunk@559 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-02-15Refactored str and strong in Markdown reader, for clarity.fiddlosopher1-5/+9
git-svn-id: https://pandoc.googlecode.com/svn/trunk@539 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-02-15Got rid of two unneeded 'getState's. Note thatfiddlosopher1-2/+1
lookAhead automatically saves and restores the state. git-svn-id: https://pandoc.googlecode.com/svn/trunk@538 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-02-15Use lookAhead parser for the "first pass" looking forfiddlosopher1-5/+3
reference keys in Markdown parser, instead of parsing normally, then using setInput to reset input. Slight performance improvement. git-svn-id: https://pandoc.googlecode.com/svn/trunk@536 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-02-15Removed followedBy' parser from Text/ParserCombinators/Pandoc,fiddlosopher1-5/+5
replacing it with the 'lookAhead' parser from Text/ParserCombinators/Parsec. git-svn-id: https://pandoc.googlecode.com/svn/trunk@535 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-02-12+ Added some needed "try"s before multicharacter parsers,fiddlosopher1-4/+4
especially in "option" contexts. + Removed the "try" from the "end" parser in "enclosed" (Text.Pandoc.Shared). Now "enclosed" behaves like "option", "manyTill", etc. git-svn-id: https://pandoc.googlecode.com/svn/trunk@527 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-28+ Simplified entity handling by removing stringToSGML from Entities.hs.fiddlosopher1-4/+4
It is no longer needed now that all entities are processed in the markdown and HTML readers. All calls to stringToSGML have been replaced by calls to encodeEntities. + Since inTag's attribute handling already encodes entities, calls to encodeEntities are no longer needed for attribute values, so they've been removed. + The HTML and Markdown readers now call decodeEntities on all raw strings (e.g. authors, dates, link titles), to ensure that no unprocessed entities are included in the native representation of the document. (In the HTML reader, most of this work is done by a change in extractAttributeName.) + The result is a small speed improvement (around 5% on my benchmark) and cleaner code. git-svn-id: https://pandoc.googlecode.com/svn/trunk@519 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-27Cleaned up handling of embedded quotes in link titles.fiddlosopher1-2/+1
Now these are stored as a '"' character, not as '&quot;'. The function escapeLinkTitle in the Markdown writer is unnecessary and was removed. Tests modified accordingly. git-svn-id: https://pandoc.googlecode.com/svn/trunk@517 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-27Changes in entity handling:fiddlosopher1-4/+9
+ Entities are parsed (and unicode characters returned) in both Markdown and HTML readers. + Parsers characterEntity, namedEntity, decimalEntity, hexEntity added to Entities.hs; these parse a string and return a unicode character. + Changed 'entity' parser in HTML reader to use the 'characterEntity' parser from Entities.hs. + Added new 'entity' parser to Markdown reader, and added '&' as a special character. Adjusted test suite accordingly since now we get 'Str "AT",Str "&",Str "T"' instead of 'Str "AT&T".. + stringToSGML moved to Entities.hs. escapeSGML removed as redundant, given encodeEntities. + stringToSGML, encodeEntities, and specialCharToEntity are given a boolean parameter that causes only numerical entities to be used. This is used in the docbook writer. The HTML writer uses named entities where possible, but not all docbook-consumers know about the named entities without special instructions, so it seems safer to use numerical entities there. + decodeEntities is rewritten in a way that avoids Text.Regex, using the new parsers. + charToEntity and charToNumericalEntity added to Entities.hs. + Moved specialCharToEntity from Shared.hs to Entities.hs. + Removed unneeded 'decodeEntities' from 'str' parser in HTML and Markdown readers. + Removed sgmlHexEntity, sgmlDecimalEntity, sgmlNamedEntity, and sgmlCharacterEntity from Shared.hs. + Modified Docbook writer so that it doesn't rely on Text.Regex for detecting "mailto" links. git-svn-id: https://pandoc.googlecode.com/svn/trunk@515 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-24Changed Markdown autoLink parsing to conform better tofiddlosopher1-6/+6
Markdown.pl's behavior. <google.com> is not treated as a link, but <http://google.com>, <ftp://google.com>, and <mailto:google@google.com> are. git-svn-id: https://pandoc.googlecode.com/svn/trunk@513 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-24Refactored markdown reader so that Text.Regex is not used.fiddlosopher1-14/+19
Replaced email regex test with a custom email autolink parser (autoLinkEmail). Also replaced 'selfClosingTag' with a custom function 'isSelfClosingTag'. git-svn-id: https://pandoc.googlecode.com/svn/trunk@511 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-24Fixed bug in smart quoting: recognize ' in contractions likefiddlosopher1-3/+7
"don't" as not beginning single quoted contexts. git-svn-id: https://pandoc.googlecode.com/svn/trunk@505 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-22Removed 'gsub' entirely and replaced its uses with 'substitute'.fiddlosopher1-1/+1
git-svn-id: https://pandoc.googlecode.com/svn/trunk@501 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-18Small bug fix to last change, and count "'S" as well as "'s" asfiddlosopher1-1/+1
possessive when followed by non-alphanumeric. git-svn-id: https://pandoc.googlecode.com/svn/trunk@499 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-18More tweaks to smart quote parsing: a ' is not a single quotefiddlosopher1-0/+1
start if followed by 's' and then a non-alphanumeric. (Yes, this is English-centric, I'm afraid. But it does help, and I can't think of a language in which 's' by itself is a word.) git-svn-id: https://pandoc.googlecode.com/svn/trunk@498 788f1e2b-df1e-0410-8736-df70ead52e1b
2007-01-16Minor tweaks to smart quoting code.fiddlosopher1-4/+3
git-svn-id: https://pandoc.googlecode.com/svn/trunk@497 788f1e2b-df1e-0410-8736-df70ead52e1b
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