1 files changed, 133 insertions, 0 deletions
diff --git a/sphinx/builders/devhelp.py b/sphinx/builders/devhelp.py
new file mode 100644
index 00000000..a5a0f280
--- /dev/null
+++ b/sphinx/builders/devhelp.py
@@ -0,0 +1,133 @@
+# -*- coding: utf-8 -*-
+"""
+    sphinx.builders.devhelp
+    ~~~~~~~~~~~~~~~~~~~~~~~
+
+    Build HTML documentation and Devhelp_ support files.
+
+    .. _Devhelp: http://live.gnome.org/devhelp
+
+    :copyright: Copyright 2007-2010 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+from os import path
+
+from docutils import nodes
+
+from sphinx import addnodes
+from sphinx.builders.html import StandaloneHTMLBuilder
+
+try:
+    import xml.etree.ElementTree as etree
+except ImportError:
+    try:
+        import lxml.etree as etree
+    except ImportError:
+        try:
+            import elementtree.ElementTree as etree
+        except ImportError:
+            import cElementTree as etree
+
+try:
+    import gzip
+    def comp_open(filename, mode='rb'):
+        return gzip.open(filename + '.gz', mode)
+except ImportError:
+    def comp_open(filename, mode='rb'):
+        return open(filename, mode)
+
+
+class DevhelpBuilder(StandaloneHTMLBuilder):
+    """
+    Builder that also outputs GNOME Devhelp file.
+
+    """
+    name = 'devhelp'
+
+    # don't copy the reST source
+    copysource = False
+    supported_image_types = ['image/png', 'image/gif', 'image/jpeg']
+
+    # don't add links
+    add_permalinks = False
+    # don't add sidebar etc.
+    embedded = True
+
+    def init(self):
+        StandaloneHTMLBuilder.init(self)
+        self.out_suffix = '.html'
+
+    def handle_finish(self):
+        self.build_devhelp(self.outdir, self.config.devhelp_basename)
+
+    def build_devhelp(self, outdir, outname):
+        self.info('dumping devhelp index...')
+
+        # Basic info
+        root = etree.Element('book',
+                             title=self.config.html_title,
+                             name=self.config.project,
+                             link="index.html",
+                             version=self.config.version)
+        tree = etree.ElementTree(root)
+
+        # TOC
+        chapters = etree.SubElement(root, 'chapters')
+
+        tocdoc = self.env.get_and_resolve_doctree(
+            self.config.master_doc, self, prune_toctrees=False)
+
+        def write_toc(node, parent):
+            if isinstance(node, addnodes.compact_paragraph) or \
+                   isinstance(node, nodes.bullet_list):
+                for subnode in node:
+                    write_toc(subnode, parent)
+            elif isinstance(node, nodes.list_item):
+                item = etree.SubElement(parent, 'sub')
+                for subnode in node:
+                    write_toc(subnode, item)
+            elif isinstance(node, nodes.reference):
+                parent.attrib['link'] = node['refuri']
+                parent.attrib['name'] = node.astext().encode('utf-8')
+
+        def istoctree(node):
+            return isinstance(node, addnodes.compact_paragraph) and \
+                   node.has_key('toctree')
+
+        for node in tocdoc.traverse(istoctree):
+            write_toc(node, chapters)
+
+        # Index
+        functions = etree.SubElement(root, 'functions')
+        index = self.env.create_index(self)
+
+        def write_index(title, refs, subitems):
+            if len(refs) == 0:
+                pass
+            elif len(refs) == 1:
+                etree.SubElement(functions, 'function',
+                                 name=title, link=refs[0])
+            else:
+                for i, ref in enumerate(refs):
+                    etree.SubElement(functions, 'function',
+                                     name="[%d] %s" % (i, title),
+                                     link=ref)
+
+            if subitems:
+                parent_title = re.sub(r'\s*\(.*\)\s*$', '', title)
+                for subitem in subitems:
+                    write_index("%s %s" % (parent_title, subitem[0]),
+                                subitem[1], [])
+
+        for (key, group) in index:
+            for title, (refs, subitems) in group:
+                write_index(title, refs, subitems)
+
+        # Dump the XML file
+        f = comp_open(path.join(outdir, outname + '.devhelp'), 'w')
+        try:
+            tree.write(f)
+        finally:
+            f.close()