src/kaka/cakelight/Console.java

   1 package kaka.cakelight;
   2
   3 import kaka.cakelight.mode.AmbientMode;
   4 import kaka.cakelight.mode.SingleColorMode;
   5 import kaka.cakelight.mode.TwoColorNoiseMode;
   6 import kaka.cakelight.mode.VideoMode;
   7
   8 import java.io.BufferedReader;
   9 import java.io.IOException;
  10 import java.io.InputStreamReader;
  11 import java.util.*;
  12
  13 public class Console extends Thread {
  14     private CakeLight cakelight;
  15     private Configuration config;
  16     private BufferedReader reader;
  17     private Map<String, Command> commands = new HashMap<>();
  18     private List<Command> commandList = new ArrayList<>();
  19
  20     public static void start(CakeLight cakelight, Configuration config) {
  21         new Console(cakelight, config).start();
  22     }
  23
  24     private Console(CakeLight cakelight, Configuration config) {
  25         this.cakelight = cakelight;
  26         this.config = config;
  27         reader = new BufferedReader(new InputStreamReader(System.in));
  28         register(new HelpCommand());
  29         register(TwoColorNoiseMode.getCommand());
  30     }
  31
  32     public CakeLight getCakelight() {
  33         return cakelight;
  34     }
  35
  36     public Configuration getConfig() {
  37         return config;
  38     }
  39
  40     private class HelpCommand implements Command {
  41         @Override
  42         public String[] getNames() {
  43             return new String[] {"?", "h", "help"};
  44         }
  45
  46         @Override
  47         public void activate(Console console, String[] args) {
  48             for (Command c : commandList) {
  49                 System.out.println(String.join("|", c.getNames()));
  50             }
  51         }
  52     }
  53
  54     private void register(Command cmd) {
  55         for (String name : cmd.getNames()){
  56             if (commands.containsKey(name)) {
  57                 System.out.println("Command name '" + name + "' is already registered by '" + commands.get(name).getClass() + "'!");
  58                 System.exit(1);
  59             }
  60             commands.put(name, cmd);
  61         }
  62         commandList.add(cmd);
  63     }
  64
  65     @Override
  66     public void run() {
  67         while (true) {
  68             System.out.print("> ");
  69             try {
  70                 String input = reader.readLine();
  71                 String[] splitInput = input.split("\\s+", 2);
  72                 String name = splitInput[0];
  73                 String[] args = splitInput.length == 2
  74                         ? splitInput[1].split("\\s+")
  75                         : new String[]{};
  76
  77                 Command cmd = commands.get(name);
  78                 if (cmd != null) {
  79                     cmd.activate(this, args);
  80                     continue;
  81                 }
  82
  83                 if (input.matches("[0-5]")) {
  84                     cakelight.setMode(new AmbientMode(new String[] {input}));
  85                     System.out.println("setting ambient mode to " + input);
  86                 } else if (input.matches("v|video")) {
  87                     cakelight.setMode(new VideoMode());
  88                 } else if (input.matches("(b|brightness)\\s+[0-9]+")) {
  89                     String[] split = input.split("\\s+");
  90                     config.leds.brightness = Integer.parseInt(split[1]);
  91                     System.out.println("setting brightness to " + config.leds.brightness);
  92                 } else if (input.matches("q|quit")) {
  93                     cakelight.turnOff();
  94                     System.out.println("stopping cakelight");
  95                     break;
  96                 } else if (input.matches("(c|col|color)(\\s+[0-9]+){3}")) {
  97                     String[] split = input.split("\\s+");
  98                     Color c = Color.rgb(
  99                             Integer.parseInt(split[1]),
 100                             Integer.parseInt(split[2]),
 101                             Integer.parseInt(split[3])
 102                     );
 103                     cakelight.setMode(new SingleColorMode(c));
 104                     System.out.println("setting color to " + c);
 105                 } else if (input.matches("(g|gamma)\\s+[0-9.]+")) {
 106                     String[] split = input.split("\\s+");
 107                     config.gamma = Double.parseDouble(split[1]);
 108                     Color.calculateGammaCorrection(config.gamma);
 109                     System.out.println("setting gamma to " + config.gamma);
 110                 } else if (input.matches("(s|saturation)\\s+[0-9.]+")) {
 111                     String[] split = input.split("\\s+");
 112                     config.video.saturation = Double.parseDouble(split[1]);
 113                     System.out.println("setting saturation to " + config.video.saturation);
 114                 } else if (input.matches("(n|noise)(\\s+[a-z0-9]+){2}")) {
 115                     TwoColorNoiseMode.getCommand().activate(this, input.split("\\s+"));
 116                     System.out.println("setting two-color noise mode");
 117                 }
 118             } catch (IOException e) {
 119                 System.out.println("Error reading from command line");
 120                 break;
 121             }
 122         }
 123     }
 124
 125     public interface Command {
 126         String[] getNames();
 127         void activate(Console console, String[] args);
 128
 129         default Color parseColor(String s) {
 130             switch (s.toLowerCase()) {
 131                 case "r": return Color.rgb(255, 0, 0);
 132                 case "g": return Color.rgb(0, 255, 0);
 133                 case "b": return Color.rgb(0, 0, 255);
 134                 default: // assume hexadecimal
 135                     if (s.startsWith("#")) {
 136                         s = s.substring(1);
 137                     }
 138                     if (s.length() == 3) {
 139                         return Color.rgb(
 140                                 Integer.parseInt(s.substring(0, 1), 16) * 16 + Integer.parseInt(s.substring(0, 1), 16),
 141                                 Integer.parseInt(s.substring(1, 2), 16) * 16 + Integer.parseInt(s.substring(1, 2), 16),
 142                                 Integer.parseInt(s.substring(2, 3), 16) * 16 + Integer.parseInt(s.substring(2, 3), 16)
 143                         );
 144                     } else if (s.length() == 6) {
 145                         return Color.rgb(
 146                                 Integer.parseInt(s.substring(0, 2), 16),
 147                                 Integer.parseInt(s.substring(2, 4), 16),
 148                                 Integer.parseInt(s.substring(4, 6), 16)
 149                         );
 150                     }
 151             }
 152             System.out.println("Failed to parse color '" + s + "'. Using black instead.");
 153             return Color.BLACK;
 154         }
 155
 156         default void output(String text) {
 157             System.out.println("(" + text + ")");
 158         }
 159     }
 160 }