lib/validates_timeliness/formats.rb in adzap-validates_timeliness-2.0.0 vs lib/validates_timeliness/formats.rb in adzap-validates_timeliness-2.1.0

@@ -19,10 +19,21 @@
                    :date_expressions,
                    :datetime_expressions,
                    :format_tokens,
                    :format_proc_args
     
+
+    # Set the threshold value for a two digit year to be considered last century
+    # Default: 30
+    #
+    #   Example:
+    #     year = '29' is considered 2029
+    #     year = '30' is considered 1930
+    # 
+    cattr_accessor :ambiguous_year_threshold
+    self.ambiguous_year_threshold = 30
+
     # Format tokens:   
     #       y = year
     #       m = month
     #       d = day
     #       h = hour
@@ -44,11 +55,11 @@
     #       x = 1 or 2 digits for unit (e.g. 'h' means an hour can be '9' or '09')
     #      xx = 2 digits exactly for unit (e.g. 'hh' means an hour can only be '09')
     #      
     # Special Cases:
     #      yy = 2 or 4 digit year
-    #   yyyyy = exactly 4 digit year
+    #    yyyy = exactly 4 digit year
     #     mmm = month long name (e.g. 'Jul' or 'July')
     #     ddd = Day name of 3 to 9 letters (e.g. Wed or Wednesday)
     #       u = microseconds matches 1 to 6 digits
     #
     #   Any other invalid combination of repeating tokens will be swallowed up 
@@ -83,10 +94,11 @@
     ]
     
     @@datetime_formats = [
       'yyyy-mm-dd hh:nn:ss',
       'yyyy-mm-dd h:nn',
+      'yyyy-mm-dd h:nn_ampm',
       'yyyy-mm-dd hh:nn:ss.u',
       'm/d/yy h:nn:ss',
       'm/d/yy h:nn_ampm',
       'm/d/yy h:nn',
       'd/m/yy hh:nn:ss',
@@ -224,10 +236,53 @@
         date_formats.reject! { |format| us_format_regexp =~ format }
         datetime_formats.reject! { |format| us_format_regexp =~ format }
         compile_format_expressions
       end
     
+      def full_hour(hour, meridian)
+        hour = hour.to_i
+        return hour if meridian.nil?
+        if meridian.delete('.').downcase == 'am'
+          hour == 12 ? 0 : hour
+        else
+          hour == 12 ? hour : hour + 12
+        end
+      end
+
+      def unambiguous_year(year)
+        if year.length <= 2
+          century = Time.now.year.to_s[0..1].to_i
+          century -= 1 if year.to_i >= ambiguous_year_threshold
+          year = "#{century}#{year.rjust(2,'0')}"
+        end
+        year.to_i
+      end
+
+      def month_index(month)
+        return month.to_i if month.to_i.nonzero?
+        abbr_month_names.index(month.capitalize) || month_names.index(month.capitalize)
+      end
+
+      def month_names
+        defined?(I18n) ? I18n.t('date.month_names') : Date::MONTHNAMES
+      end
+
+      def abbr_month_names
+        defined?(I18n) ? I18n.t('date.abbr_month_names') : Date::ABBR_MONTHNAMES
+      end
+
+      def microseconds(usec)
+        (".#{usec}".to_f * 1_000_000).to_i
+      end
+
+      def offset_in_seconds(offset)
+        sign = offset =~ /^-/ ? -1 : 1
+        parts = offset.scan(/\d\d/).map {|p| p.to_f }
+        parts[1] = parts[1].to_f / 60
+        (parts[0] + parts[1]) * sign * 3600
+      end
+
     private
       
       # Compile formats into validation regexps and format procs    
       def format_expression_generator(string_format)
         regexp = string_format.dup      
@@ -257,11 +312,16 @@
       def format_proc(order)
         arg_map = format_proc_args
         args = order.invert.sort.map {|p| arg_map[p[1]][1] }
         arr = [nil] * 7
         order.keys.each {|k| i = arg_map[k][0]; arr[i] = arg_map[k][2] unless i.nil? }
-        proc_string = "lambda {|#{args.join(',')}| md||=nil; [#{arr.map {|i| i.nil? ? 'nil' : i }.join(',')}].map {|i| i.is_a?(Float) ? i : i.to_i } }"
+        proc_string = <<-EOL
+          lambda {|#{args.join(',')}| 
+              md ||= nil
+              [#{arr.map {|i| i.nil? ? 'nil' : i }.join(',')}].map {|i| i.is_a?(Float) ? i : i.to_i }
+          }
+        EOL
         eval proc_string
       end
       
       def compile_formats(formats)
         formats.map { |format| [ format, *format_expression_generator(format) ] }
@@ -283,47 +343,9 @@
             datetime_expressions + date_expressions
           end
         end
       end
  
-      def full_hour(hour, meridian)
-        hour = hour.to_i
-        return hour if meridian.nil?
-        if meridian.delete('.').downcase == 'am'
-          hour == 12 ? 0 : hour
-        else
-          hour == 12 ? hour : hour + 12
-        end
-      end
-      
-      def unambiguous_year(year, threshold=30)
-        year = "#{year.to_i < threshold ? '20' : '19'}#{year}" if year.length == 2
-        year.to_i
-      end
-      
-      def month_index(month)
-        return month.to_i if month.to_i.nonzero?
-        abbr_month_names.index(month.capitalize) || month_names.index(month.capitalize)
-      end
-
-      def month_names
-        defined?(I18n) ? I18n.t('date.month_names') : Date::MONTHNAMES
-      end
-
-      def abbr_month_names
-        defined?(I18n) ? I18n.t('date.abbr_month_names') : Date::ABBR_MONTHNAMES
-      end
-
-      def microseconds(usec)
-        (".#{usec}".to_f * 1_000_000).to_i
-      end
-
-      def offset_in_seconds(offset)
-        sign = offset =~ /^-/ ? -1 : 1
-        parts = offset.scan(/\d\d/).map {|p| p.to_f }
-        parts[1] = parts[1].to_f / 60
-        (parts[0] + parts[1]) * sign * 3600
-      end
     end
   end
 end
 
 ValidatesTimeliness::Formats.compile_format_expressions