table.rb in dbf-4.2.0

- old
+ new

@@ -12,10 +12,11 @@
     include Enumerable
     include ::DBF::Schema
 
     DBASE2_HEADER_SIZE = 8
     DBASE3_HEADER_SIZE = 32
+    DBASE7_HEADER_SIZE = 68
 
     VERSIONS = {
       '02' => 'FoxBase',
       '03' => 'dBase III without memo file',
       '04' => 'dBase IV without memo file',
@@ -28,10 +29,11 @@
       '63' => 'dBASE IV SQL system files, no memo',
       '7b' => 'dBase IV with memo file',
       '83' => 'dBase III with memo file',
       '87' => 'Visual Objects 1.x with memo file',
       '8b' => 'dBase IV with memo file',
+      '8c' => 'dBase 7',
       '8e' => 'dBase IV with SQL table',
       'cb' => 'dBASE IV SQL table files, with memo',
       'f5' => 'FoxPro with memo file',
       'fb' => 'FoxPro without memo file'
     }.freeze
@@ -214,26 +216,32 @@
     def build_columns # :nodoc:
       safe_seek do
         @data.seek(header_size)
         [].tap do |columns|
           until end_of_record?
-            case version
+            args = case version
             when '02'
-              column_data = @data.read(header_size * 2)
-              columns << Column.new(self, *column_data.unpack('A11 a C'), 0)
+              [self, *@data.read(header_size * 2).unpack('A11 a C'), 0]
+            when '8c'
+              [self, *@data.read(48).unpack('A32 a C C x13')]
             else
-              column_data = @data.read(header_size)
-              columns << Column.new(self, *column_data.unpack('A11 a x4 C2'))
+              [self, *@data.read(header_size).unpack('A11 a x4 C2')]
             end
+
+            columns << Column.new(*args)
           end
         end
       end
     end
 
     def header_size
-      header_size = case version
-        when '02' then DBASE2_HEADER_SIZE
-        else DBASE3_HEADER_SIZE
+      case version
+      when '02'
+        DBASE2_HEADER_SIZE
+      when '8c'
+        DBASE7_HEADER_SIZE
+      else 
+        DBASE3_HEADER_SIZE
       end
     end
 
     def deleted_record? # :nodoc:
       flag = @data.read(1)