121 lines
3.7 KiB
Markdown
121 lines
3.7 KiB
Markdown
---
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title: AsciiDoc Parsing
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...
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# Document Structure
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A *document* is a series of *block elements*.
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The first element is optionally a *document header*.
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The next element is optionally a *preamble*.
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* Document
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* Header (optional)
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Must be separated from the remainder of the document by one or more
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blank lines and cannot contain blank lines.
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Can include comments.
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Can include attribute entries, typically *doctype*, *lang*, *encoding*,
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*icons*, *data-uri*, *toc*, *numbered*
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Command-line attributes override header attributes.
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* Title
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* Info (optional)
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* AuthorInfo
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Format: firstname[ [middlename ]lastname][ <email>]
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Multi-word names should be separated by underscores,
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e.g. van_Gogh.
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If the format isn't matched, the entire line becomes a
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FirstName.
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* FirstName
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* OtherNames (optional)
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* MiddleName (optional)
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* LastName
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* EmailAddress (optional)
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* RevisionInfo (optional)
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* Either
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* RevisionNumber (optional)
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* RevisionDate
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* RevisionRemark (optional)
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* Or
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* RCS/CVS/SVN $Id$ marker.
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The *revnumber*, *revdata*, and *author* attributes are
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extracted and set and displayed in the header.
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The header author line may be omitted.
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* Preamble (optional)
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* SectionBody
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* Section (0 or more)
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Up to 4 section levels (1-4) in addition to the document title (level 0)
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Has attributes *level* and *sectnum* implcitly defined
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* Title
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* SectionBody (optional)
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* One of (repeated 1 or more times)
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* Either
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* BlockTitle (optional)
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Format: .<title>
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* Block
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* Or
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* BlockMacro
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* Section (0 or more)
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* Block
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Floating titles probably belong in here somewhere.
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* One of
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* Paragraph
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* DelimitedBlock
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* List
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* One of
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* BulletedList
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* ListItem (1 or more)
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* NumberedList
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* ListItem (1 or more)
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* CalloutList
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* ListItem (1 or more)
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* LabeledList
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* ListEntry (1 or more)
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* ListLabel
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* ListTerm (1 or more)
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* ListItem
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* ItemText
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* One of (repeated 0 or more times)
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* List
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* ListParagraph
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A paragraph with *listelement* option set
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* ListContinuation
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* Table
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* Or (these can appear almost anywhere)
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* BlockId
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Applies to the following *Title*, *Paragraph*, *List*,
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*DelimitedBlock*, *Table*, or *BlockMacro*
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Format: [[<id>]]
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* AttributeEntry
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* AttributeList
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Applies to the following *Block*
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Most blocks support *id*, *role*, and *reftext* attributes
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Format: [<attr>(, <attr>)*]
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Notes:
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* Block elements are separated by line boundaries
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* *Header*, *Title*, *Paragraph*, and *ItemText* cannot contain blank lines.
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```.haskell
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data Document = Doc
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{ _docAttrs :: Attributes
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, _header :: Maybe DocHeader
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, _preamble :: Maybe SectionBody
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, _sections :: Seq Section
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}
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data Section = Sec
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{ _secAttrs :: Attributes
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, _secTitle :: Text
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, _secBody :: Maybe SectionBody
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, _secChildren :: Seq Section
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}
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type SectionBody = Seq Block
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```
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