class ElementNode(HamlNode):
'''Node which represents a HTML tag'''
def __init__(self, haml):
HamlNode.__init__(self, haml)
self.django_variable = False
def _render(self):
self.element = Element(self.haml, self.attr_wrapper)
self.django_variable = self.element.django_variable
self.before = self._render_before(self.element)
self.after = self._render_after(self.element)
self._render_children()
def _render_before(self, element):
'''Render opening tag and inline content'''
start = ["%s<%s" % (self.spaces, element.tag)]
if element.id:
start.append(" id=%s" % self.element.attr_wrap(
self.replace_inline_variables(element.id)))
if element.classes:
start.append(" class=%s" % self.element.attr_wrap(
self.replace_inline_variables(element.classes)))
if element.attributes:
start.append(' ' +
self.replace_inline_variables(element.attributes))
content = self._render_inline_content(self.element.inline_content)
if element.nuke_inner_whitespace and content:
content = content.strip()
if element.self_close and not content:
start.append(" />")
elif content:
start.append(">%s" % (content))
elif self.children:
start.append(">%s" % (self.render_newlines()))
else:
start.append(">")
return ''.join(start)
def _render_after(self, element):
'''Render closing tag'''
if element.inline_content:
return "</%s>%s" % (element.tag, self.render_newlines())
elif element.self_close:
return self.render_newlines()
elif self.children:
return "%s</%s>\n" % (self.spaces, element.tag)
else:
return "</%s>\n" % (element.tag)
def _post_render(self):
# Inner whitespace removal
if self.element.nuke_inner_whitespace:
self.before = self.before.rstrip()
self.after = self.after.lstrip()
if self.children:
node = self
# If node renders nothing, do removal on its first child instead
if node.children[0].empty_node == True:
node = node.children[0]
if node.children:
node.children[0].before = node.children[0].before.lstrip()
node = self
if node.children[-1].empty_node == True:
node = node.children[-1]
if node.children:
node.children[-1].after = node.children[-1].after.rstrip()
# Outer whitespace removal
if self.element.nuke_outer_whitespace:
left_sibling = self.left_sibling()
if left_sibling:
# If node has left sibling, strip whitespace after left sibling
left_sibling.after = left_sibling.after.rstrip()
left_sibling.newlines = 0
else:
# If not, whitespace comes from it's parent node,
# so strip whitespace before the node
self.parent.before = self.parent.before.rstrip()
self.parent.newlines = 0
self.before = self.before.lstrip()
self.after = self.after.rstrip()
right_sibling = self.right_sibling()
if right_sibling:
right_sibling.before = right_sibling.before.lstrip()
else:
self.parent.after = self.parent.after.lstrip()
self.parent.newlines = 0
super(ElementNode, self)._post_render()
def _render_inline_content(self, inline_content):
if inline_content == None or len(inline_content) == 0:
return None
if self.django_variable:
content = "{{ " + inline_content.strip() + " }}"
return content
else:
return self.replace_inline_variables(inline_content)
class ElementNode(HamlNode):
'''Node which represents a HTML tag'''
def __init__(self, haml):
HamlNode.__init__(self, haml)
self.django_variable = False
def _render(self):
self.element = Element(self.haml, self.attr_wrapper)
self.django_variable = self.element.django_variable
self.before = self._render_before(self.element)
self.after = self._render_after(self.element)
self._render_children()
def _render_before(self, element):
'''Render opening tag and inline content'''
start = ["%s<%s" % (self.spaces, element.tag)]
if element.id:
start.append(" id=%s" % self.element.attr_wrap(self.replace_inline_variables(element.id)))
if element.classes:
start.append(" class=%s" % self.element.attr_wrap(self.replace_inline_variables(element.classes)))
if element.attributes:
start.append(' ' + self.replace_inline_variables(element.attributes))
content = self._render_inline_content(self.element.inline_content)
if element.nuke_inner_whitespace and content:
content = content.strip()
if element.self_close and not content:
start.append(" />")
elif content:
start.append(">%s" % (content))
elif self.children:
start.append(">%s" % (self.render_newlines()))
else:
start.append(">")
return ''.join(start)
def _render_after(self, element):
'''Render closing tag'''
if element.inline_content:
return "</%s>%s" % (element.tag, self.render_newlines())
elif element.self_close:
return self.render_newlines()
elif self.children:
return "%s</%s>\n" % (self.spaces, element.tag)
else:
return "</%s>\n" % (element.tag)
def _post_render(self):
# Inner whitespace removal
if self.element.nuke_inner_whitespace:
self.before = self.before.rstrip()
self.after = self.after.lstrip()
if self.children:
node = self
# If node renders nothing, do removal on its first child instead
if node.children[0].empty_node == True:
node = node.children[0]
if node.children:
node.children[0].before = node.children[0].before.lstrip()
node = self
if node.children[-1].empty_node == True:
node = node.children[-1]
if node.children:
node.children[-1].after = node.children[-1].after.rstrip()
# Outer whitespace removal
if self.element.nuke_outer_whitespace:
left_sibling = self.left_sibling()
if left_sibling:
# If node has left sibling, strip whitespace after left sibling
left_sibling.after = left_sibling.after.rstrip()
left_sibling.newlines = 0
else:
# If not, whitespace comes from it's parent node,
# so strip whitespace before the node
self.parent.before = self.parent.before.rstrip()
self.parent.newlines = 0
self.before = self.before.lstrip()
self.after = self.after.rstrip()
right_sibling = self.right_sibling()
if right_sibling:
right_sibling.before = right_sibling.before.lstrip()
else:
self.parent.after = self.parent.after.lstrip()
self.parent.newlines = 0
super(ElementNode, self)._post_render()
def _render_inline_content(self, inline_content):
if inline_content == None or len(inline_content) == 0:
return None
if self.django_variable:
content = "{{ " + inline_content.strip() + " }}"
return content
else:
return self.replace_inline_variables(inline_content)
