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diff --git a/website/manual/Readers.html b/website/manual/Readers.html new file mode 100644 index 0000000..b0e2f18 --- /dev/null +++ b/website/manual/Readers.html @@ -0,0 +1,181 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 2015 David Thompson + + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with no +Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A +copy of the license is included in the section entitled "GNU Free +Documentation License". --> +<!-- Created by GNU Texinfo 6.0, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Haunt Reference Manual: Readers</title> + +<meta name="description" content="Haunt Reference Manual: Readers"> +<meta name="keywords" content="Haunt Reference Manual: Readers"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Programming-Interface.html#Programming-Interface" rel="up" title="Programming Interface"> +<link href="Pages.html#Pages" rel="next" title="Pages"> +<link href="Posts.html#Posts" rel="prev" title="Posts"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.indentedblock {margin-right: 0em} +blockquote.smallindentedblock {margin-right: 0em; font-size: smaller} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smalllisp {margin-left: 3.2em} +kbd {font-style: oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space: nowrap} +span.nolinebreak {white-space: nowrap} +span.roman {font-family: serif; font-weight: normal} +span.sansserif {font-family: sans-serif; font-weight: normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en"> +<a name="Readers"></a> +<div class="header"> +<p> +Next: <a href="Pages.html#Pages" accesskey="n" rel="next">Pages</a>, Previous: <a href="Posts.html#Posts" accesskey="p" rel="prev">Posts</a>, Up: <a href="Programming-Interface.html#Programming-Interface" accesskey="u" rel="up">Programming Interface</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> +</div> +<hr> +<a name="Readers-1"></a> +<h3 class="section">5.3 Readers</h3> + +<div class="example"> +<pre class="example">(use-modules (haunt reader)) +</pre></div> + +<p>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. +</p> +<dl> +<dt><a name="index-make_002dreader"></a>Scheme Procedure: <strong>make-reader</strong> <em><var>matcher</var> <var>proc</var></em></dt> +<dd><p>Create a new reader. The reader is to be activated when +<var>matcher</var>, a procedure that accepts a file name as its only +argument, returns <code>#t</code>. When a post file matches, the procedure +<var>proc</var>, which also accepts a file name as its only argument, reads +the contents and returns a post object (see <a href="Posts.html#Posts">Posts</a>). +</p></dd></dl> + +<dl> +<dt><a name="index-reader_003f"></a>Scheme Procedure: <strong>reader?</strong> <em><var>object</var></em></dt> +<dd><p>Return <code>#t</code> if <var>object</var> is a reader. +</p></dd></dl> + +<dl> +<dt><a name="index-reader_002dmatcher"></a>Scheme Procedure: <strong>reader-matcher</strong> <em><var>reader</var></em></dt> +<dd><p>Return the match procedure for <var>reader</var>. +</p></dd></dl> + +<dl> +<dt><a name="index-reader_002dmatcher-1"></a>Scheme Procedure: <strong>reader-matcher</strong> <em><var>reader</var></em></dt> +<dd><p>Return the read procedure for <var>reader</var>. +</p></dd></dl> + +<dl> +<dt><a name="index-reader_002dmatch_003f"></a>Scheme Procedure: <strong>reader-match?</strong> <em><var>reader</var> <var>file-name</var></em></dt> +<dd><p>Return <code>#t</code> if <var>file-name</var> is a file supported by +<var>reader</var>. +</p></dd></dl> + +<dl> +<dt><a name="index-read_002dpost"></a>Scheme Procedure: <strong>read-post</strong> <em><var>reader</var> <var>file-name</var> [<var>default-metadata</var>]</em></dt> +<dd><p>Read a post object from <var>file-name</var> using <var>reader</var>, merging +its metadata with <var>default-metadata</var>, or the empty list if not +specified. +</p></dd></dl> + +<dl> +<dt><a name="index-read_002dposts"></a>Scheme Procedure: <strong>read-posts</strong> <em><var>directory</var> <var>keep?</var> <var>readers</var> [<var>default-metadata</var>]</em></dt> +<dd><p>Read all of the files in <var>directory</var> that match <var>keep?</var> as +post objects. The <var>readers</var> list must contain a matching reader +for every post. +</p></dd></dl> + +<dl> +<dt><a name="index-make_002dfile_002dextension_002dmatcher"></a>Scheme Procedure: <strong>make-file-extension-matcher</strong> <em><var>ext</var></em></dt> +<dd><p>Create a procedure that returns <code>#t</code> when a file name ends with +“.ext”. +</p></dd></dl> + +<dl> +<dt><a name="index-sxml_002dreader"></a>Scheme Procedure: <strong>sxml-reader</strong></dt> +<dd><p>A basic reader for posts written as Scheme code that evaluates to an +an association list. The special key <code>content</code> contains the post +body as an SXML tree. +</p> +<p>Example: +</p> +<div class="example"> +<pre class="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.")))) +</pre></div> + +</dd></dl> + +<dl> +<dt><a name="index-html_002dreader"></a>Scheme Procedure: <strong>html-reader</strong></dt> +<dd><p>A basic reader for posts written in plain ol’ HTML. Metadata is +encoded as the <code>key: value</code> pairs, one per line, at the beginning +of the file. A line with the <code>---</code> sentinel marks the end of the +metadata section and the rest of the file is encoded as HTML. +</p> +<p>Example: +</p> +<div class="example"> +<pre class="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> +</pre></div> + +</dd></dl> + +<hr> +<div class="header"> +<p> +Next: <a href="Pages.html#Pages" accesskey="n" rel="next">Pages</a>, Previous: <a href="Posts.html#Posts" accesskey="p" rel="prev">Posts</a>, Up: <a href="Programming-Interface.html#Programming-Interface" accesskey="u" rel="up">Programming Interface</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> +</div> + + + +</body> +</html> |