[LIB-9] Separate chesshog-uci module

[chesshog.git] / chesshog-uci / src / main / java / org / hedgecode / chess / uci / ConsoleAcceptor.java

diff --git a/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptor.java b/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptor.java
new file mode 100644 (file)
index 0000000..f9da8e9
--- /dev/null
+++ b/chesshog-uci/src/main/java/org/hedgecode/chess/uci/ConsoleAcceptor.java
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2018. Developed by Hedgecode.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.hedgecode.chess.uci;
+
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.util.List;
+import java.util.Scanner;
+
+import org.hedgecode.chess.uci.command.OptionParams;
+import org.hedgecode.chess.uci.command.OptionType;
+
+/**
+ *
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public class ConsoleAcceptor implements Acceptor {
+
+    private class ConsoleTransmitter implements Transmitter<String> {
+
+        private Scanner scanner;
+        private boolean isActive;
+
+        ConsoleTransmitter(InputStream input) {
+            scanner = new Scanner(input);
+            isActive = true;
+        }
+
+        @Override
+        public boolean isActive() {
+            return isActive;
+        }
+
+        @Override
+        public boolean hasCommand() {
+            return isActive && scanner.hasNextLine();
+        }
+
+        @Override
+        public String transmitCommand() {
+            return scanner.nextLine();
+        }
+
+        @Override
+        public void addCommand(String command) {
+            // not supported for console acceptor
+        }
+
+        @Override
+        public void stop() {
+            isActive = false;
+        }
+
+        @Override
+        public void close() {
+            scanner.close();
+        }
+    }
+
+    private ConsoleTransmitter transmitter;
+    private PrintWriter writer;
+
+    ConsoleAcceptor(InputStream input, OutputStream output) {
+        transmitter = new ConsoleTransmitter(input);
+        writer = new PrintWriter(output, true);
+    }
+
+    public Transmitter<String> transmitter() {
+        return transmitter;
+    }
+
+    @Override
+    public void start() {
+    }
+
+    @Override
+    public void id(String params) {
+        console(UCIConstants.ID, params);
+    }
+
+    @Override
+    public void uciOK(String params) {
+        console(UCIConstants.UCI_OK, params);
+    }
+
+    @Override
+    public void readyOK(String params) {
+        console(UCIConstants.READY_OK, params);
+    }
+
+    @Override
+    public void setOption(String name) {
+        console(
+                UCIConstants.OPTION,
+                String.format(
+                        "%s %s %s %s",
+                        OptionParams.OPTION_NAME, name, OptionParams.OPTION_TYPE, OptionType.BUTTON.type()
+                )
+        );
+    }
+
+    @Override
+    public void setOption(String name, boolean def) {
+        console(
+                UCIConstants.OPTION,
+                String.format(
+                        "%s %s %s %s %s %b",
+                        OptionParams.OPTION_NAME, name, OptionParams.OPTION_TYPE, OptionType.CHECK.type(),
+                        OptionParams.OPTION_DEFAULT, def
+                )
+        );
+    }
+
+    @Override
+    public void setOption(String name, int def, int min, int max) {
+        console(
+                UCIConstants.OPTION,
+                String.format(
+                        "%s %s %s %s %s %d %s %d %s %d",
+                        OptionParams.OPTION_NAME, name, OptionParams.OPTION_TYPE, OptionType.SPIN.type(),
+                        OptionParams.OPTION_DEFAULT, def, OptionParams.OPTION_MIN, min, OptionParams.OPTION_MAX, max
+                )
+        );
+    }
+
+    @Override
+    public void setOption(String name, String def) {
+        console(
+                UCIConstants.OPTION,
+                String.format(
+                        "%s %s %s %s %s %s",
+                        OptionParams.OPTION_NAME, name, OptionParams.OPTION_TYPE, OptionType.STRING.type(),
+                        OptionParams.OPTION_DEFAULT, def == null ? "" : def
+                )
+        );
+    }
+
+    @Override
+    public void setOption(String name, String def, List<String> vars) {
+        StringBuilder varOptions = new StringBuilder();
+        for (String var : vars)
+            varOptions.append(
+                    String.format("%s %s ", OptionParams.OPTION_VAR, var == null ? "" : var)
+            );
+        console(
+                UCIConstants.OPTION,
+                String.format(
+                        "%s %s %s %s %s %s %s",
+                        OptionParams.OPTION_NAME, name, OptionParams.OPTION_TYPE, OptionType.COMBO.type(),
+                        OptionParams.OPTION_DEFAULT, def == null ? "" : def, varOptions.toString().trim()
+                )
+        );
+    }
+
+    @Override
+    public void terminate(String params) {
+        transmitter.stop();
+    }
+
+    private void console(String name, String params) {
+        writer.println(
+                String.format(
+                        "%s %s",
+                        name,
+                        params != null ? params : ""
+                ).trim()
+        );
+    }
+
+}