Data commit

Task/Text-processing-2/Eiffel/text-processing-2.e

@@ -0,0 +1,115 @@
+class
+	APPLICATION
+
+create
+	make
+
+feature
+
+	make
+			-- Finds double date stamps and wrong formats.
+		local
+			found: INTEGER
+			double: STRING
+		do
+			read_wordlist
+			fill_hash_table
+			across
+				hash as h
+			loop
+				if h.key.has_substring ("_double") then
+					io.put_string ("Double date stamp: %N")
+					double := h.key
+					double.remove_tail (7)
+					io.put_string (double)
+					io.new_line
+				end
+				if h.item.count /= 24 then
+					io.put_string (h.key.out + " has the wrong format. %N")
+					found := found + 1
+				end
+			end
+			io.put_string (found.out + " records have not 24 readings.%N")
+			good_records
+		end
+
+	good_records
+			-- Number of records that have flag values > 0 for all readings.
+		local
+			count, total: INTEGER
+			end_date: STRING
+		do
+			create end_date.make_empty
+			across
+				hash as h
+			loop
+				count := 0
+				across
+					h.item as d
+				loop
+					if d.item.flag > 0 then
+						count := count + 1
+					end
+				end
+				if count = 24 then
+					total := total + 1
+				end
+			end
+			io.put_string ("%NGood records: " + total.out + ". %N")
+		end
+
+	original_list: STRING = "readings.txt"
+
+	read_wordlist
+			--Preprocesses data in 'data'.
+		local
+			l_file: PLAIN_TEXT_FILE
+		do
+			create l_file.make_open_read_write (original_list)
+			l_file.read_stream (l_file.count)
+			data := l_file.last_string.split ('%N')
+			l_file.close
+		end
+
+	data: LIST [STRING]
+
+	fill_hash_table
+			--Fills 'hash' using the date as key.
+		local
+			by_dates: LIST [STRING]
+			date: STRING
+			data_tup: TUPLE [val: REAL; flag: INTEGER]
+			data_arr: ARRAY [TUPLE [val: REAL; flag: INTEGER]]
+			i: INTEGER
+		do
+			create hash.make (data.count)
+			across
+				data as d
+			loop
+				if not d.item.is_empty then
+					by_dates := d.item.split ('%T')
+					date := by_dates [1]
+					by_dates.prune (date)
+					create data_tup
+					create data_arr.make_empty
+					from
+						i := 1
+					until
+						i > by_dates.count - 1
+					loop
+						data_tup := [by_dates [i].to_real, by_dates [i + 1].to_integer]
+						data_arr.force (data_tup, data_arr.count + 1)
+						i := i + 2
+					end
+					hash.put (data_arr, date)
+					if not hash.inserted then
+						date.append ("_double")
+						hash.put (data_arr, date)
+					end
+				end
+			end
+		end
+
+	hash: HASH_TABLE [ARRAY [TUPLE [val: REAL; flag: INTEGER]], STRING]
+
+end