comparison lib/redmine/views/builders/structure.rb @ 119:8661b858af72

* Update to Redmine trunk rev 4705

+# Redmine - project management software
+# Copyright (C) 2006-2010  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.
+
+require 'blankslate'
+
+module Redmine
+  module Views
+    module Builders
+      class Structure < BlankSlate
+        def initialize
+          @struct = [{}]
+        end
+        
+        def array(tag, options={}, &block)
+          @struct << []
+          block.call(self)
+          ret = @struct.pop
+          @struct.last[tag] = ret
+          @struct.last.merge!(options) if options
+        end
+        
+        def method_missing(sym, *args, &block)
+          if args.any?
+            if args.first.is_a?(Hash)
+              if @struct.last.is_a?(Array)
+                @struct.last << args.first unless block
+              else
+                @struct.last[sym] = args.first
+              end
+            else
+              if @struct.last.is_a?(Array)
+                @struct.last << (args.last || {}).merge(:value => args.first)
+              else
+                @struct.last[sym] = args.first
+              end
+            end
+          end
+          
+          if block
+            @struct << (args.first.is_a?(Hash) ? args.first : {})
+            block.call(self)
+            ret = @struct.pop
+            if @struct.last.is_a?(Array)
+              @struct.last << ret
+            else
+              if @struct.last.has_key?(sym) && @struct.last[sym].is_a?(Hash)
+                @struct.last[sym].merge! ret
+              else
+                @struct.last[sym] = ret
+              end
+            end
+          end
+        end
+        
+        def output
+          raise "Need to implement #{self.class.name}#output"
+        end
+      end
+    end
+  end
+end