1 files changed, 267 insertions, 0 deletions
diff --git a/docs/sphinx/hieroglyph/nodes.py b/docs/sphinx/hieroglyph/nodes.py
new file mode 100644
index 000000000..e583ce04d
--- /dev/null
+++ b/docs/sphinx/hieroglyph/nodes.py
@@ -0,0 +1,267 @@
+__author__ = 'Robert Smallshire'
+
+class Node(object):
+
+    def __init__(self, indent=None, lines=None, parent=None):
+        if indent is not None:
+            self.indent = indent
+        else:
+            self.indent = 0
+
+        if lines is not None:
+            self.lines = lines
+        else:
+            self.lines = []
+
+        self._parent = parent
+
+        self.children = []
+
+    parent = property(lambda self: self._parent)
+
+    def add_child(self, child):
+        assert(child.parent is self)
+        self.children.append(child)
+
+
+    def __repr__(self):
+        return "Node(" + repr(self.indent) + ", " + repr(self.lines) + ", children=" + repr(self.children) + ")"
+
+
+    def render_rst(self, *args, **kwargs):
+        result = []
+        prefix = ' ' * self.indent
+        result.extend(prefix + line for line in self.lines)
+        for child in self.children:
+            result.extend(child.render_rst())
+        return result
+
+
+
+class Arg(Node):
+
+    def __init__(self, indent, child_indent, name):
+        super(Arg, self).__init__(indent)
+        self.child_indent = child_indent
+        self.name = name
+        self.type = None
+
+
+    def __repr__(self):
+        return "Arg(" + repr(self.name) + ", " + repr(self.type) + ", children=" + repr(self.children) + ")"
+
+
+    def render_rst(self, *args, **kwargs):
+        result = []
+        indent = ' ' * self.indent
+
+        # Render the param description
+        description = []
+        for child in self.children:
+            child_lines = child.render_rst()
+            description.extend(child_lines)
+
+        dedent = self.child_indent - self.indent
+
+        name = self.name.replace('*', r'\*')
+
+        first_description = description[0].lstrip() if len(description) else ''
+        if not first_description:
+            # TODO: Emit a warning about a missing argument description
+            pass
+
+        result.append("{indent}:param {name}: {first_description}".format(indent=indent, name=name,
+                        first_description=first_description))
+
+        dedented_body = [line[dedent:] for line in description[1:]]
+
+        result.extend(dedented_body)
+
+        # If a type was specified render the type
+        if self.type is not None:
+            result.append("{indent}:type {name}: {type}".format(indent=indent, name=self.name, type=self.type))
+            result.append('')
+
+        ensure_terminal_blank(result)
+
+        return result
+
+
+
+class Raises(Node):
+
+    def __init__(self, indent=None):
+        super(Raises, self).__init__(indent=indent)
+
+    def __repr__(self):
+        return "Raises(" + repr(self.indent) + ", children=" + repr(self.children) + ")"
+
+
+    def render_rst(self, *args, **kwargs):
+        result = []
+        indent = ' ' * self.indent
+        result.append(indent + ':raises:')
+        for child in self.children:
+            result.extend(child.render_rst(only_child=len(self.children) == 1))
+
+        ensure_terminal_blank(result)
+
+        return result
+
+
+class Except(Node):
+
+    def __init__(self, indent, type):
+        super(Except, self).__init__(indent=indent)
+        #self.child_indent = child_indent
+        self.type = type
+
+
+    def __repr__(self):
+        return "Except(" + repr(self.type) + ", children=" + repr(self.children) + ")"
+
+
+    def render_rst(self, only_child=False, *args, **kwargs):
+        result = []
+        indent = ' ' * self.indent
+
+        # Render the param description
+        description = []
+        for child in self.children:
+            child_lines = child.render_rst()
+            description.extend(child_lines)
+
+        #dedent = self.child_indent - self.indent
+        bullet = '* ' if not only_child else ''
+
+        first_description = description[0].lstrip() if len(description) else ''
+        result.append("{indent}{bullet}{type} - {first_description}".format(indent=indent,
+                        bullet=bullet, type=self.type,
+                        first_description=first_description))
+
+        #dedented_body = [' ' * len(bullet) + line[dedent:] for line in description[1:]]
+        #result.extend(dedented_body)
+        result.extend(description[1:])
+        ensure_terminal_blank(result)
+
+        return result
+
+
+
+class Returns(Node):
+
+    def __init__(self, indent):
+        super(Returns, self).__init__(indent=indent)
+        self.title = 'Returns'
+        self.line = ''
+
+
+    def __repr__(self):
+        return "Returns(" + str(self.indent) + ", children=" + str(self.children) + ")"
+
+
+    def render_rst(self, *args, **kwargs):
+        result = []
+        indent = ' ' * self.indent
+
+        # Render the param description
+        description = [self.line] if self.line else []
+        for child in self.children:
+            child_lines = child.render_rst()
+            description.extend(child_lines)
+
+        self.render_title(description, indent, result)
+
+        result.extend(description[1:])
+
+        ensure_terminal_blank(result)
+        return result
+
+
+    def render_title(self, description, indent, result):
+        result.append(
+            "{indent}:returns: {first_description}".format(indent=indent,
+               first_description=description[0].lstrip()))
+
+
+
+class Warning(Node):
+
+    def __init__(self, indent):
+        super(Warning, self).__init__(indent=indent)
+
+    def __repr__(self):
+        return "Warning(" + repr(self.indent) + ", children=" + str(self.children) + ")"
+
+    def render_rst(self, *args, **kwargs):
+        # TODO: Factor out the commonality between this and Note below
+        result = []
+        indent = ' ' * self.indent
+
+        # Render the param description
+        description = [self.line] if self.line else []
+        for child in self.children:
+            child_lines = child.render_rst()
+            description.extend(child_lines)
+
+        # Fix the indent on the first line
+        if len(description) > 1 and len(description[1].strip()) != 0:
+            body_indent = len(description[1]) - len(description[1].strip())
+        else:
+            body_indent = self.indent + 4
+
+        if len(description) > 0:
+            description[0] = ' ' * body_indent + description[0]
+
+        result.append(indent + ".. warning::")
+        result.append(indent + '')
+        result.extend(description)
+
+        ensure_terminal_blank(result)
+        return result
+
+
+class Note(Node):
+
+    def __init__(self, indent):
+        super(Note, self).__init__(indent=indent)
+        self.line = ''
+
+
+    def __repr__(self):
+        return "Note(" + repr(self.indent) + ", children=" + str(self.children) + ")"
+
+
+    def render_rst(self, *args, **kwargs):
+        # TODO: Factor out the commonality between this and Warning above
+        result = []
+        indent = ' ' * self.indent
+
+        # Render the param description
+        description = [self.line] if self.line else []
+        for child in self.children:
+            child_lines = child.render_rst()
+            description.extend(child_lines)
+
+        # Fix the indent on the first line
+        if len(description) > 1 and len(description[1].strip()) != 0:
+            body_indent = len(description[1]) - len(description[1].strip())
+        else:
+            body_indent = self.indent + 4
+
+        if len(description) > 0:
+            description[0] = ' ' * body_indent + description[0]
+
+        result.append(indent + ".. note::")
+        result.append(indent + '')
+        result.extend(description)
+
+        ensure_terminal_blank(result)
+        return result
+
+
+def ensure_terminal_blank(result):
+    '''If the description didn't end with a blank line add one here.'''
+    if len(result) > 0:
+        if len(result[-1].strip()) != 0:
+            result.append('')