def parse(cls, parser, token):
"""
Parse the node syntax:
.. code-block:: html+django
{% page_placeholder parentobj slotname title="test" role="m" %}
"""
bits, as_var = parse_as_var(parser, token)
tag_name, args, kwargs = parse_token_kwargs(parser, bits, allowed_kwargs=cls.allowed_kwargs, compile_args=True, compile_kwargs=True)
# Play with the arguments
if len(args) == 2:
parent_expr = args[0]
slot_expr = args[1]
elif len(args) == 1:
# Allow 'page' by default. Works with most CMS'es, including django-fluent-pages.
parent_expr = Variable('page')
slot_expr = args[0]
else:
raise TemplateSyntaxError("""{0} tag allows two arguments: 'parent object' 'slot name' and optionally: title=".." role="..".""".format(tag_name))
cls.validate_args(tag_name, *args, **kwargs)
return cls(
tag_name=tag_name,
as_var=as_var,
parent_expr=parent_expr,
slot_expr=slot_expr,
**kwargs
)
def parse(cls, parser, token):
"""
Parse the node: {% getfirstof val1 val2 as val3 %}
parser: a Parser class.
token: a Token class.
"""
bits, var_name = parse_as_var(parser, token)
tag_name, choices, _ = parse_token_kwargs(parser, bits, allowed_kwargs=())
if var_name is None:
raise TemplateSyntaxError("Expected syntax: {{% {0} val1 val2 as val %}}".format(tag_name))
return cls(choices, var_name)
