Data commit

Task/Abbreviations-simple/Crystal/abbreviations-simple.crystal

@@ -0,0 +1,51 @@
+COMMAND_TABLE =
+  "add 1  alter 3  backup 2  bottom 1  Cappend 2  change 1  Schange  Cinsert 2  Clast 3
+   compress 4 copy 2 count 3 Coverlay 3 cursor 3  delete 3 Cdelete 2  down 1  duplicate
+   3 xEdit 1 expand 3 extract 3  find 1 Nfind 2 Nfindup 6 NfUP 3 Cfind 2 findUP 3 fUP 2
+   forward 2  get  help 1 hexType 4  input 1 powerInput 3  join 1 split 2 spltJOIN load
+   locate 1 Clocate 2 lowerCase 3 upperCase 3 Lprefix 2  macro  merge 2 modify 3 move 2
+   msg  next 1 overlay 1 parse preserve 4 purge 3 put putD query 1 quit  read recover 3
+   refresh renum 3 repeat 3 replace 1 Creplace 2 reset 3 restore 4 rgtLEFT right 2 left
+   2  save  set  shift 2  si  sort  sos  stack 3 status 4 top  transfer 3  type 1  up 1"
+
+def parse_command_table(input : String)
+    cmds = {} of String => String
+    table = input.strip.split
+
+    word = table[0].upcase
+    table.each do |item|
+        if /[0-9]+/.match(item)
+            abbreviation_length = item.to_i
+            (0..word.size-abbreviation_length).each do |i|
+                cmds[word[(0..abbreviation_length-1+i)]] = word
+            end
+        else
+            word = item.upcase
+            cmds[word] = word
+        end
+    end
+    return cmds
+end
+
+def parse_user_input(input : String?, commands)
+    output = ""
+    unless input.nil?
+        user_commands = input.strip.split
+        user_commands.each do |command|
+            command = command.upcase
+            if commands.has_key?(command)
+                output += commands[command]
+            else
+                output += "*error*"
+            end
+            output += " "
+        end
+    end
+    return output
+end
+
+cmds = parse_command_table(COMMAND_TABLE)
+puts "Input:"
+user_input = gets
+puts "Output:"
+puts parse_user_input(user_input, cmds)