def haml_tag(name, *rest, &block)
ret = ErrorReturn.new("haml_tag")
text = rest.shift.to_s unless [Symbol, Hash, NilClass].any? {|t| rest.first.is_a? t}
flags = []
flags << rest.shift while rest.first.is_a? Symbol
attrs = Haml::Util.map_keys(rest.shift || {}) {|key| key.to_s}
name, attrs = merge_name_and_attributes(name.to_s, attrs)
attributes = Haml::Precompiler.build_attributes(haml_buffer.html?,
haml_buffer.options[:attr_wrapper],
attrs)
if text.nil? && block.nil? && (haml_buffer.options[:autoclose].include?(name) || flags.include?(:/))
haml_concat "<#{name}#{attributes} />"
return ret
end
if flags.include?(:/)
raise Error.new("Self-closing tags can't have content.") if text
raise Error.new("Illegal nesting: nesting within a self-closing tag is illegal.") if block
end
tag = "<#{name}#{attributes}>"
if block.nil?
text = text.to_s
if text.include?("\n")
haml_concat tag
tab_up
haml_concat text
tab_down
haml_concat "</#{name}>"
else
tag << text << "</#{name}>"
haml_concat tag
end
return ret
end
if text
raise Error.new("Illegal nesting: content can't be both given to haml_tag :#{name} and nested within it.")
end
if flags.include?(:<)
tag << capture_haml(&block).strip << "</#{name}>"
haml_concat tag
return ret
end
haml_concat tag
tab_up
block.call
tab_down
haml_concat "</#{name}>"
ret
end