Redmine

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

          send(method_name, obj, args) if respond_to?(method_name)

        end

      end

      @@available_macros = {}

      class << self

        # Called with a block to define additional macros.

        # Macro blocks accept 2 arguments:

        # * obj: the object that is rendered

        # * args: macro arguments

        # Plugins can use this method to define new macros:

        #   Redmine::WikiFormatting::Macros.register do

        #     desc "This is my macro"

        #     macro :my_macro do |obj, args|

        def register(&block)

          class_eval(&block) if block_given?

        end

      private

        # Defines a new macro with the given name and block.

        def macro(name, &block)

          raise "Can not create a macro without a block!" unless block_given?

          Definitions.send :define_method, "macro_#{name}".downcase, &block

        end

        # Sets description for the next macro to be defined

        def desc(txt)

          @@desc = txt

        end

      end

      # Builtin macros

      desc "Sample macro."

      macro :hello_world do |obj, args|

        "Hello world! Object: #{obj.class.name}, " + (args.empty? ? "Called with no argument." : "Arguments: #{args.join(', ')}")

      end

      desc "Displays a list of all available macros, including description if available."

      macro :macro_list do

        out = ''

        end

        content_tag('dl', out)

      end

      desc "Displays a list of child pages."

      macro :child_pages do |obj, args|

        raise 'This macro applies to wiki pages only.' unless obj.is_a?(WikiContent)

        render_page_hierarchy(obj.page.descendants.group_by(&:parent_id), obj.page.id)

      end

      desc "Include a wiki page. Example:\n\n  !{{include(Foo)}}\n\nor to include a page of a specific project wiki:\n\n  !{{include(projectname:Foo)}}"

      macro :include do |obj, args|

        project = @project

        @included_wiki_pages.pop

        out

      end

    end

  end

end