Reader (Haunt Reference Manual)

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5.3.1 Reader

(use-modules (haunt reader))
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The purpose of a reader is to translate the markup within a post file -into an SXML tree representing the HTML structure and associate some -metadata with it. -

Scheme Procedure: make-reader matcher proc: Create a new reader. The reader is to be activated when -matcher, a procedure that accepts a file name as its only -argument, returns #t. When a post file matches, the procedure -proc, which also accepts a file name as its only argument, reads -the contents and returns a post object (see Posts). -

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Scheme Procedure: reader? object: Return #t if object is a reader. -

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Scheme Procedure: reader-matcher reader: Return the match procedure for reader. -

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Scheme Procedure: reader-proc reader: Return the read procedure for reader. -

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Scheme Procedure: reader-match? reader file-name: Return #t if file-name is a file supported by -reader. -

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Scheme Procedure: read-post reader file-name [default-metadata]: Read a post object from file-name using reader, merging -its metadata with default-metadata, or the empty list if not -specified. -

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Scheme Procedure: read-posts directory keep? readers [default-metadata]: Read all of the files in directory that match keep? as -post objects. The readers list must contain a matching reader -for every post. -

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Scheme Procedure: make-file-extension-matcher ext: Create a procedure that returns #t when a file name ends with -“.ext”. -

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Scheme Procedure: sxml-reader

A basic reader for posts written as Scheme code that evaluates to an -an association list. The special key content contains the post -body as an SXML tree. -

Example: -

(use-modules (haunt utils))
-
-`((title . "Hello, world!")
-  (date . ,(string->date* "2015-04-10 23:00"))
-  (tags "foo" "bar")
-  (summary . "Just a test")
-  (content
-   ((h2 "Hello!")
-    (p "This is Haunt.  A static site generator for GNU Guile."))))
-

- -

Scheme Procedure: html-reader

A basic reader for posts written in plain ol’ HTML. Metadata is -encoded as the key: value pairs, one per line, at the beginning -of the file. A line with the --- sentinel marks the end of the -metadata section and the rest of the file is encoded as HTML. -

Example: -

title: A Foo Walks Into a Bar
-date: 2015-04-11 20:00
-tags: bar
----
-<p>
-  This is an example using raw HTML, because Guile doesn't have a
-  Markdown parser.
-</p>
-

- -

- - - - - - -- cgit v1.2.3