xc_build_configuration.rb in xcodeproject-0.3.9

- old
+ new

@@ -1,6 +1,7 @@
 require 'xcodeproject/node'
+require 'rexml/document'
 
 module XcodeProject
 	class XCBuildConfiguration < Node
 		attr_reader :name
 		attr_accessor :build_settings
@@ -9,7 +10,66 @@
 			super(root, uuid, data)
 
 			@name = data['name']
 			@build_settings = data['buildSettings']
 		end
+
+		def version (type = :major)
+			major = read_property('CFBundleShortVersionString')
+			minor = read_property('CFBundleVersion')
+
+			case type
+				when :major ; major
+				when :minor ; minor
+				when :both  ; major + '.' + minor
+				else raise ArgumentError.new('Wrong argument type, expected :major, :minor or :both.')
+			end
+		end
+
+		def change_version (value, type = :major)
+			case type
+				when :major ; write_property('CFBundleShortVersionString', value)
+				when :minor ; write_property('CFBundleVersion', value)
+				else raise ArgumentError.new('Wrong argument type, expected :major or :minor.')
+			end
+		end
+
+		def increment_version (type = :major)
+			cv = version(type)
+			nv = cv.nil? ? '0' : cv.next
+
+			change_version(nv, type)
+		end
+
+	private
+
+		def plist_path
+			root.absolute_path(build_settings['INFOPLIST_FILE'])
+		end
+
+		def read_property (key)
+			file = File.new(plist_path)
+			doc = REXML::Document.new(file)
+			
+			doc.elements.each("plist/dict/key") do |e| 
+				 return e.next_element.text if e.text == key
+			end
+			nil
+		end
+
+		def write_property (key, value)
+			file = File.new(plist_path)
+			doc = REXML::Document.new(file)
+
+			doc.elements.each("plist/dict/key") do |e|
+				e.next_element.text = value if e.text == key
+			end
+
+			formatter = REXML::Formatters::Default.new
+			File.open(plist_path, 'w') do |data|
+				formatter.write(doc, data)
+			end
+			nil
+		end
+
 	end
 end