Add options to sphinx directive (#40)

* Add output format to option spec

* Update output format

* Add output format option

* Set default option for output format

* Try different default

* Set a default for the output format option

frigate/sphinx/ext.py

@@ -2,22 +2,28 @@
 
 from docutils import nodes
 from docutils.parsers import rst
+from docutils.parsers.rst.directives import unchanged
 from docutils.statemachine import ViewList
 from sphinx.util.nodes import nested_parse_with_titles
 
 from frigate.gen import gen
 
 
 class FrigateDirective(rst.Directive):
-    has_content = False
+    has_content = True
     required_arguments = 1
+    option_spec = {
+        'output_format': unchanged,
+    }
 
     def run(self):
         chart_path = os.path.join(
             os.getcwd(),  # TODO Need to find a better way to get the root of the docs
             self.arguments[0],
         )
-        output = ViewList(gen(chart_path, output_format="rst").split("\n"))
+        if self.options.get('output_format') is None:
+            self.options.update({'output_format': 'rst'})
+        output = ViewList(gen(chart_path, output_format=self.options.get('output_format')).split("\n"))
 
         node = nodes.section()
         node.document = self.state.document