From 1c87cf9b7dfee65b6ea22e5336a0a1de168140dd Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Thu, 5 May 2016 17:02:48 -0400
Subject: add sitemap and headerid plugins

---
 plugins/headerid/README.rst  | 16 ++++++++++++++++
 plugins/headerid/__init__.py |  1 +
 plugins/headerid/headerid.py | 31 +++++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 plugins/headerid/README.rst
 create mode 100644 plugins/headerid/__init__.py
 create mode 100644 plugins/headerid/headerid.py

(limited to 'plugins/headerid')

diff --git a/plugins/headerid/README.rst b/plugins/headerid/README.rst
new file mode 100644
index 0000000..7bfa402
--- /dev/null
+++ b/plugins/headerid/README.rst
@@ -0,0 +1,16 @@
+Pelican ``headerid`` plugin
+===========================
+
+This plugin adds an anchor to each heading so you can deep-link to headers.
+It is intended for formats such as reStructuredText that do not natively
+generate these anchors.
+
+The ``HEADERID_LINK_CHAR`` config can be set to use a different char from ``*``
+for anchor text.
+
+For Markdown, this plugin is less relevant since the Python-Markdown library
+includes a Table of Contents extension that will generate link anchors.
+To enable the ``toc`` extension, add a line similar to the following example
+to your Pelican settings file::
+
+    MD_EXTENSIONS = ["codehilite(css_class=highlight)", "extra", "toc"]
diff --git a/plugins/headerid/__init__.py b/plugins/headerid/__init__.py
new file mode 100644
index 0000000..423261c
--- /dev/null
+++ b/plugins/headerid/__init__.py
@@ -0,0 +1 @@
+from headerid import *
\ No newline at end of file
diff --git a/plugins/headerid/headerid.py b/plugins/headerid/headerid.py
new file mode 100644
index 0000000..ee9d265
--- /dev/null
+++ b/plugins/headerid/headerid.py
@@ -0,0 +1,31 @@
+from pelican import readers
+from pelican.readers import PelicanHTMLTranslator
+from pelican import signals
+from docutils import nodes
+
+LINK_CHAR = '*'
+
+
+def init_headerid(sender):
+    global LINK_CHAR
+    char = sender.settings.get('HEADERID_LINK_CHAR')
+    if char:
+        LINK_CHAR = char
+
+def register():
+    signals.initialized.connect(init_headerid)
+
+
+    class HeaderIDPatchedPelicanHTMLTranslator(PelicanHTMLTranslator):
+        def depart_title(self, node):
+            close_tag = self.context[-1]
+            parent = node.parent
+            if isinstance(parent, nodes.section) and parent.hasattr('ids') and parent['ids']:
+                anchor_name = parent['ids'][0]
+                # add permalink anchor
+                if close_tag.startswith('</h'):
+                    self.body.append(
+                        '<a class="headerlink" href="#%s" title="Permalink to this headline">%s</a>' %
+                        (anchor_name, LINK_CHAR))
+            PelicanHTMLTranslator.depart_title(self, node)
+    readers.PelicanHTMLTranslator = HeaderIDPatchedPelicanHTMLTranslator
-- 
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