Changeset 70 for ruby/trunk/lib/models/assumed_library_types.rb

Timestamp:

Jun 29, 2008, 10:52:16 PM (16 years ago)

Author:

(none)

Message:

refs #38

File:

• ruby/trunk/lib/models/assumed_library_types.rb (modified) (2 diffs)

ruby/trunk/lib/models/assumed_library_types.rb

@@ +1 @@
+require 'date'
+
 module OpenEHR
   module Assumed_Library_Types
@@ -76 +78 @@
       NOMINAL_DAYS_IN_YEAR = 365.24
       SECONDS_IN_MINUTE = 60
+
+      def self.valid_year?(year)
+        year >= 0
+      end
+
+      def self.valid_day?(y, m, d)
+        Date.valid_date?(y,m,d) and valid_year? y
+      end
+
+      def self.valid_hour?(h,m,s)
+        valid_minute?(m) and valid_second?(s) and ((h >= 0 and h < HOURS_IN_DAY) or (h == HOURS_IN_DAY and m == 0 and s == 0))
+      end
+      def self.valid_minute?(m)
+        m >= 0 and m < MINUTES_IN_HOUR
+      end
+      def self.valid_second?(s)
+        s >= 0 and s < SECONDS_IN_MINUTE
+      end
+      def self.valid_month?(m)
+        m >= 1 and m <= MONTH_IN_YEAR
+      end
     end # end of TIME_DEFINITIONS
 
-    class ISO_8601_DATE < TIME_DEFINITIONS
-      
+    class ISO8601_DATE < TIME_DEFINITIONS
+      attr_reader :year, :month, :day
+      def initialize(year = nil, month = nil, day = nil)
+        @year = @month = @day = nil
+        if !year.nil?
+          self.year = year
+        end
+        if !month.nil?
+          self.month = month
+        end
+        if !day.nil?
+          self.day = day
+        end
+      end
+      def year=(year)
+        raise ArgumentError, "Year is not valid" if !ISO8601_DATE.valid_year?(year)
+        @year = year
+      end
+      def month=(month)
+        raise ArgumentError, "Month is not valid" if !ISO8601_DATE.valid_month?(month)
+        @month = month
+      end
+      def day=(day)
+        raise ArgumentError, "Day is not valid" if !ISO8601_DATE.valid_day?(@year, @month, day)
+        @day = day
+      end
+      def as_string
+        if (!@year.nil? and !@month.nil? and !@day.nil?)
+          Date.new(@year, @month, @day).to_s
+        elsif (!@year.nil? and !@month.nil? and @day.nil?)
+          Date.new(@year, @month).to_s[0,7]
+        elsif (!@year.nil? and @month.nil? and @day.nil?)
+          Date.new(@year).to_s[0,4]
+        end          
+      end
+      def month_unknown?
+        @month.nil?
+      end
+      def day_unknown?
+        @day.nil?
+      end
+      def is_extended?
+        true
+      end
+      def is_partial?
+        month_unknown? or day_unknown?
+      end
+      def valid_iso8601_date(string)
+        begin
+          date = Date.parse(string)
+        rescue
+          return false
+        end
+        true
+      end
     end # end of ISO_8601_DATE
   end # end of Assumed_Types