update files

static/js/terminal/lib/csi/cursor.js

@@ -0,0 +1,136 @@
+'use strict';
+
+module.exports = function (Terminal){
+  // CSI s
+  // Save cursor (ANSI.SYS).
+  Terminal.prototype.saveCursor = function (params){
+    this.savedX = this.x;
+    this.savedY = this.y;
+  };
+
+  // CSI u
+  // Restore cursor (ANSI.SYS).
+  Terminal.prototype.restoreCursor = function (params){
+    this.x = this.savedX || 0;
+    this.y = this.savedY || 0;
+  };
+
+  // CSI Ps A
+  // Cursor Up Ps Times (default = 1) (CUU).
+  Terminal.prototype.cursorUp = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.y -= param;
+    if (this.y < 0) this.y = 0;
+  };
+
+  // CSI Ps B
+  // Cursor Down Ps Times (default = 1) (CUD).
+  Terminal.prototype.cursorDown = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.y += param;
+    if (this.y >= this.rows) {
+      this.y = this.rows - 1;
+    }
+  };
+
+  // CSI Ps C
+  // Cursor Forward Ps Times (default = 1) (CUF).
+  Terminal.prototype.cursorForward = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.x += param;
+    if (this.x >= this.cols) {
+      this.x = this.cols - 1;
+    }
+  };
+
+  // CSI Ps D
+  // Cursor Backward Ps Times (default = 1) (CUB).
+  Terminal.prototype.cursorBackward = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.x -= param;
+    if (this.x < 0) this.x = 0;
+  };
+
+  // CSI Ps ; Ps H
+  // Cursor Position [row;column] (default = [1,1]) (CUP).
+  Terminal.prototype.cursorPos = function (params){
+    var row, col;
+
+    row = params[0] - 1;
+
+    if (params.length >= 2) {
+      col = params[1] - 1;
+    } else {
+      col = 0;
+    }
+
+    if (row < 0) {
+      row = 0;
+    } else if (row >= this.rows) {
+      row = this.rows - 1;
+    }
+
+    if (col < 0) {
+      col = 0;
+    } else if (col >= this.cols) {
+      col = this.cols - 1;
+    }
+
+    this.x = col;
+    this.y = row;
+  };
+
+  // CSI Ps E
+  // Cursor Next Line Ps Times (default = 1) (CNL).
+  // same as CSI Ps B ?
+  Terminal.prototype.cursorNextLine = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.y += param;
+    if (this.y >= this.rows) {
+      this.y = this.rows - 1;
+    }
+    this.x = 0;
+  };
+
+  // CSI Ps F
+  // Cursor Preceding Line Ps Times (default = 1) (CNL).
+  // reuse CSI Ps A ?
+  Terminal.prototype.cursorPrecedingLine = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.y -= param;
+    if (this.y < 0) this.y = 0;
+    this.x = 0;
+  };
+
+  // CSI Ps G
+  // Cursor Character Absolute [column] (default = [row,1]) (CHA).
+  Terminal.prototype.cursorCharAbsolute = function (params){
+    var param = params[0];
+    if (param < 1) param = 1;
+    this.x = param - 1;
+  };
+
+  // CSI Ps I
+  // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).
+  Terminal.prototype.cursorForwardTab = function (params){
+    var param = params[0] || 1;
+    while (param--) {
+      this.x = this.nextStop();
+    }
+  };
+
+  // CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).
+  Terminal.prototype.cursorBackwardTab = function (params){
+    var param = params[0] || 1;
+    while (param--) {
+      this.x = this.prevStop();
+    }
+  };
+
+};