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<span id="Posts"></span><div class="header">
<p>
Next: <a href="Readers.html" accesskey="n" rel="next">Readers</a>, Previous: <a href="Sites.html" accesskey="p" rel="prev">Sites</a>, Up: <a href="Programming-Interface.html" 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" title="Index" rel="index">Index</a>]</p>
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<hr>
<span id="Posts-1"></span><h3 class="section">5.2 Posts</h3>
<div class="example">
<pre class="example">(use-modules (haunt post))
</pre></div>
<p>Posts represent the articles that are kept in a site’s post directory
and written in a markup format that Haunt can
understand. see <a href="Readers.html">Readers</a>) for how files on disk can be transformed
into posts.
</p>
<dl>
<dt id="index-make_002dpost">Scheme Procedure: <strong>make-post</strong> <em><var>file-name</var> <var>metadata</var> <var>sxml</var></em></dt>
<dd><p>Create a new post object that represents the contents of the file
<var>file-name</var>. The body of the post, <var>sxml</var>, is represented as
an SXML tree (see <a href="https://www.gnu.org/software/guile/manual/html_node/SXML.html#SXML">SXML</a> in <cite>GNU Guile Reference Manual</cite>)
and the metadata is an association list (see <a href="https://www.gnu.org/software/guile/manual/html_node/Association-Lists.html#Association-Lists">Association Lists</a> in <cite>GNU Guile Reference Manual</cite>) of arbitrary
key/value pairs.
</p></dd></dl>
<dl>
<dt id="index-post_003f">Scheme Procedure: <strong>post?</strong> <em><var>object</var></em></dt>
<dd><p>Return <code>#t</code> if <var>object</var> is a post.
</p></dd></dl>
<dl>
<dt id="index-post_002dfile_002dname">Scheme Procedure: <strong>post-file-name</strong> <em><var>post</var></em></dt>
<dd><p>Return the file name for <var>post</var>.
</p></dd></dl>
<dl>
<dt id="index-post_002dmetadata">Scheme Procedure: <strong>post-metadata</strong> <em><var>post</var></em></dt>
<dd><p>Return the metadata association list for <var>post</var>.
</p></dd></dl>
<dl>
<dt id="index-post_002dsxml">Scheme Procedure: <strong>post-sxml</strong> <em><var>post</var></em></dt>
<dd><p>Return the SXML tree for <var>post</var>.
</p></dd></dl>
<dl>
<dt id="index-post_002dref">Scheme Procedure: <strong>post-ref</strong> <em><var>post</var> <var>key</var></em></dt>
<dd><p>Return the metadata value corresponding to <var>key</var> within
<var>post</var>.
</p></dd></dl>
<dl>
<dt id="index-post_002dslug">Scheme Procedure: <strong>post-slug</strong> <em><var>post</var></em></dt>
<dd><p>Transform the title of <var>post</var> into a URL slug suitable for the
file name of a web page.
</p></dd></dl>
<dl>
<dt id="index-_0025default_002ddate">Scheme Variable: <strong>%default-date</strong></dt>
<dd><p>The default date of a post when no other date is specified in the
metadata association list.
</p></dd></dl>
<dl>
<dt id="index-post_002ddate">Scheme Procedure: <strong>post-date</strong> <em><var>post</var></em></dt>
<dd><p>Return the date for <var>post</var>, or <code>%default-date</code> if no date is
specified.
</p></dd></dl>
<dl>
<dt id="index-posts_002freverse_002dchronological">Scheme Procedure: <strong>posts/reverse-chronological</strong> <em><var>posts</var></em></dt>
<dd><p>Sort <var>posts</var>, a list of posts, in reverse chronological order.
</p></dd></dl>
<dl>
<dt id="index-posts_002fgroup_002dby_002dtag">Scheme Procedure: <strong>posts/group-by-tag</strong> <em><var>posts</var></em></dt>
<dd><p>Create an association list of tags mapped to the posts in the list
<var>posts</var> that used them.
</p></dd></dl>
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