From 0939258be1e7bcf780814d8667f7bf6ca684f673 Mon Sep 17 00:00:00 2001
From: defanor <defanor@uberspace.net>
Date: Thu, 26 Apr 2018 02:17:17 +0300
Subject: Add authoring tools

---
 tools/html-to-atom-dump.xsl | 110 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 tools/html-to-atom-dump.xsl

(limited to 'tools/html-to-atom-dump.xsl')

diff --git a/tools/html-to-atom-dump.xsl b/tools/html-to-atom-dump.xsl
new file mode 100644
index 0000000..fce78a2
--- /dev/null
+++ b/tools/html-to-atom-dump.xsl
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:atom="http://www.w3.org/2005/Atom"
+                xmlns:xhtml="http://www.w3.org/1999/xhtml"
+                xmlns="http://www.w3.org/2005/Atom"
+                version="1.0">
+  <xsl:output method="xml" indent="yes"/>
+  <xsl:variable name="baseIRI">
+    <xsl:text>https://defanor.uberspace.net/</xsl:text>
+  </xsl:variable>
+
+  <!-- Feed -->
+  <xsl:template match="/">
+    <feed>
+      <title>defanor's notes</title>
+      <link rel="self" href="{$baseIRI}atom.xml" />
+      <link rel="alternate" href="{$baseIRI}" />
+      <id>
+        <xsl:value-of select="$baseIRI" />
+      </id>
+      <!--
+          Setting <updated> statically, since it applies to some
+          meaningful feed updates. Perhaps should be modified on
+          metadata changes.
+      -->
+      <updated>2018-04-14T10:00:00Z</updated>
+      <xsl:apply-templates select="/list/entry" />
+    </feed>
+  </xsl:template>
+
+  <!-- Turns index entries into Atom entries -->
+  <xsl:template match="entry">
+    <xsl:variable name="localPath">
+      <xsl:text>../</xsl:text>
+      <xsl:value-of select="@name" />
+    </xsl:variable>
+    <xsl:variable name="doc" select="document($localPath)" />
+    <entry>
+      <link rel="alternate" href="{$baseIRI}{@name}" />
+      <id>
+        <xsl:text>https://defanor.uberspace.net/</xsl:text>
+        <xsl:value-of select="@name" />
+      </id>
+      <!-- Setting this statically for now. -->
+      <author>
+        <name>defanor</name>
+      </author>
+      <xsl:apply-templates mode="atom-entry" select="$doc" />
+    </entry>
+  </xsl:template>
+
+  <xsl:template mode="atom-entry" match="/ | xhtml:head | xhtml:html">
+    <xsl:apply-templates mode="atom-entry" />
+  </xsl:template>
+
+  <!-- Title -->
+  <xsl:template mode="atom-entry" match="xhtml:title">
+    <title>
+      <xsl:value-of select="." />
+    </title>
+  </xsl:template>
+
+  <!-- Description/summary -->
+  <xsl:template mode="atom-entry"
+                match="xhtml:meta[@name='description' or
+                       @property='dc:description schema:description']">
+    <summary>
+      <xsl:value-of select="@content" />
+    </summary>
+  </xsl:template>
+
+  <!--
+      Atom is rather strict in its date-time requriements. It's not
+      always convenient or useful to be that strict in HTML metadata,
+      so might be better to introduce some check and conversion.
+  -->
+  <!-- Publication date -->
+  <xsl:template mode="atom-entry"
+                match="xhtml:meta[@property='dc:issued schema:datePublished']">
+    <published>
+      <xsl:value-of select="@content" />
+    </published>
+  </xsl:template>
+  
+  <!-- Modification date -->
+  <xsl:template mode="atom-entry"
+                match="xhtml:meta[@property='dc:modified schema:dateModified']">
+    <updated>
+      <xsl:value-of select="@content" />
+    </updated>
+  </xsl:template>
+
+  <!-- Body/content -->
+  <xsl:template mode="atom-entry" match="xhtml:body">
+    <content type="xhtml">
+      <!--
+          "the content of atom:content MUST be a single XHTML div
+          element"
+      -->
+      <xhtml:div>
+        <xsl:copy-of select="*" />
+      </xhtml:div>
+    </content>
+  </xsl:template>
+
+  <!-- Skip everything else -->
+  <xsl:template mode="atom-entry" match="node()" priority="0" />
+
+</xsl:stylesheet>
-- 
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