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# redMine - project management software
# Copyright (C) 2006-2007 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# 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.
module Redmine
module WikiFormatting
module Macros
module Definitions
def exec_macro(name, obj, args)
method_name = "macro_#{name}"
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|
# "My macro output"
# end
# end
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)
name = name.to_sym if name.is_a?(String)
@@available_macros[name] = @@desc || ''
@@desc = nil
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 = ''
@@available_macros.keys.collect(&:to_s).sort.each do |macro|
out << content_tag('dt', content_tag('code', macro))
out << content_tag('dd', textilizable(@@available_macros[macro.to_sym]))
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
title = args.first.to_s
if title =~ %r{^([^\:]+)\:(.*)$}
project_identifier, title = $1, $2
project = Project.find_by_identifier(project_identifier) || Project.find_by_name(project_identifier)
end
raise 'Unknow project' unless project && User.current.allowed_to?(:view_wiki_pages, project)
raise 'No wiki for this project' unless !project.wiki.nil?
page = project.wiki.find_page(title)
raise "Page #{args.first} doesn't exist" unless page && page.content
@included_wiki_pages ||= []
raise 'Circular inclusion detected' if @included_wiki_pages.include?(page.title)
@included_wiki_pages << page.title
out = textilizable(page.content, :text, :attachments => page.attachments)
@included_wiki_pages.pop
out
end
end
end
end
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