Implemented Terminal cursor methods on windows.

src/main/cpp/win.cpp

@@ -55,7 +55,7 @@ Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_getConsole
     CONSOLE_SCREEN_BUFFER_INFO console_info;
     HANDLE handle = getHandle(env, output, result);
     if (handle == NULL) {
-        mark_failed_with_message(env, "not a terminal", result);
+        mark_failed_with_message(env, "not a console", result);
         return;
     }
     if (!GetConsoleScreenBufferInfo(handle, &console_info)) {
@@ -156,4 +156,81 @@ Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_foreground
     }
 }
 
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_left(JNIEnv *env, jclass target, jint count, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    console_info.dwCursorPosition.X -= count;
+    if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
+        mark_failed_with_errno(env, "could not set cursor position", result);
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_right(JNIEnv *env, jclass target, jint count, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    console_info.dwCursorPosition.X += count;
+    if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
+        mark_failed_with_errno(env, "could not set cursor position", result);
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_up(JNIEnv *env, jclass target, jint count, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    console_info.dwCursorPosition.Y -= count;
+    if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
+        mark_failed_with_errno(env, "could not set cursor position", result);
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_down(JNIEnv *env, jclass target, jint count, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    console_info.dwCursorPosition.Y += count;
+    if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
+        mark_failed_with_errno(env, "could not set cursor position", result);
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_startLine(JNIEnv *env, jclass target, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    console_info.dwCursorPosition.X = 0;
+    if (!SetConsoleCursorPosition(current_console, console_info.dwCursorPosition)) {
+        mark_failed_with_errno(env, "could not set cursor position", result);
+    }
+}
+
+JNIEXPORT void JNICALL
+Java_net_rubygrapefruit_platform_internal_jni_WindowsConsoleFunctions_clearToEndOfLine(JNIEnv *env, jclass target, jobject result) {
+    CONSOLE_SCREEN_BUFFER_INFO console_info;
+    if (!GetConsoleScreenBufferInfo(current_console, &console_info)) {
+        mark_failed_with_errno(env, "could not get console buffer", result);
+        return;
+    }
+    for (int i = console_info.dwCursorPosition.X; i < console_info.dwSize.X; i++) {
+        WriteConsole(current_console, " ", 1, NULL, NULL);
+    }
+}
+
 #endif

src/main/java/net/rubygrapefruit/platform/internal/WindowsTerminal.java

@@ -4,6 +4,7 @@ import net.rubygrapefruit.platform.NativeException;
 import net.rubygrapefruit.platform.Terminal;
 import net.rubygrapefruit.platform.TerminalAccess;
 import net.rubygrapefruit.platform.TerminalSize;
+import net.rubygrapefruit.platform.internal.jni.TerminfoFunctions;
 import net.rubygrapefruit.platform.internal.jni.WindowsConsoleFunctions;
 
 public class WindowsTerminal extends AbstractTerminal {
@@ -80,31 +81,61 @@ public class WindowsTerminal extends AbstractTerminal {
 
     @Override
     public Terminal cursorDown(int count) throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.down(count, result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could not move cursor down for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 
     @Override
     public Terminal cursorUp(int count) throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.up(count, result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could not move cursor up for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 
     @Override
     public Terminal cursorLeft(int count) throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.left(count, result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could not move cursor left for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 
     @Override
     public Terminal cursorRight(int count) throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.right(count, result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could not move cursor right for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 
     @Override
     public Terminal cursorStartOfLine() throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.startLine(result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could not move cursor to start of line for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 
     @Override
     public Terminal clearToEndOfLine() throws NativeException {
-        throw new UnsupportedOperationException();
+        FunctionResult result = new FunctionResult();
+        WindowsConsoleFunctions.clearToEndOfLine(result);
+        if (result.isFailed()) {
+            throw new NativeException(String.format("Could clear to end of line for %s: %s", this, result.getMessage()));
+        }
+        return this;
     }
 }

src/main/java/net/rubygrapefruit/platform/internal/jni/WindowsConsoleFunctions.java

@@ -17,4 +17,16 @@ public class WindowsConsoleFunctions {
     public static native void reset(FunctionResult result);
 
     public static native void foreground(int ansiColor, FunctionResult result);
+
+    public static native void left(int count, FunctionResult result);
+
+    public static native void right(int count, FunctionResult result);
+
+    public static native void up(int count, FunctionResult result);
+
+    public static native void down(int count, FunctionResult result);
+
+    public static native void startLine(FunctionResult result);
+
+    public static native void clearToEndOfLine(FunctionResult result);
 }