update files

static/js/terminal/lib/refresh.js

@@ -0,0 +1,122 @@
+'use strict';
+
+module.exports = function (Terminal){
+
+  /**
+   * Rendering Engine
+   */
+
+    // In the screen buffer, each character
+    // is stored as a an array with a character
+    // and a 32-bit integer.
+    // First value: a utf-16 character.
+    // Second value:
+    // Next 9 bits: background color (0-511).
+    // Next 9 bits: foreground color (0-511).
+    // Next 14 bits: a mask for misc. flags:
+    // 1=bold, 2=underline, 4=inverse
+
+  Terminal.prototype.refresh = function (start, end){
+    var x, y, i, line, out, ch, width, data, attr, fgColor, bgColor, flags, row, parent;
+
+    width = this.cols;
+    y = start;
+
+    for (; y <= end; y++) {
+      row = y + this.ydisp;
+
+      line = this.lines[row];
+      if (!line) {
+        // simple solution in case we have more lines than rows
+        // could be improved to instead remove first line (and related html element)
+        return this.reset();
+      }
+
+      out = '';
+
+      if (y === this.y && this.cursorState && this.ydisp === this.ybase && !this.cursorHidden) {
+        x = this.x;
+      } else {
+        x = -1;
+      }
+
+      attr = this.defAttr;
+      i = 0;
+
+      for (; i < width; i++) {
+        data = line[i][0];
+        ch = line[i][1];
+
+        if (i === x) data = -1;
+
+        if (data !== attr) {
+          if (attr !== this.defAttr) {
+            out += '</span>';
+          }
+          if (data !== this.defAttr) {
+            if (data === -1) {
+              out += '<span class="reverse-video">';
+            } else {
+              out += '<span style="';
+
+              bgColor = data & 0x1ff;
+              fgColor = (data >> 9) & 0x1ff;
+              flags = data >> 18;
+
+              if (flags & 1) {
+                if (!Terminal.brokenBold) {
+                  out += 'font-weight:bold;';
+                }
+                // see: XTerm*boldColors
+                if (fgColor < 8) fgColor += 8;
+              }
+
+              if (flags & 2) {
+                out += 'text-decoration:underline;';
+              }
+
+              if (bgColor !== 256) {
+                out += 'background-color:' + Terminal.colors[bgColor] + ';';
+              }
+
+              if (fgColor !== 257) {
+                out += 'color:' + Terminal.colors[fgColor] + ';';
+              }
+
+              out += '">';
+            }
+          }
+        }
+
+        switch (ch) {
+          case '&':
+            out += '&';
+            break;
+          case '<':
+            out += '<';
+            break;
+          case '>':
+            out += '>';
+            break;
+          default:
+            if (ch <= ' ') {
+              out += ' ';
+            } else {
+              out += ch;
+            }
+            break;
+        }
+
+        attr = data;
+      }
+
+      if (attr !== this.defAttr) {
+        out += '</span>';
+      }
+
+      this.children[y].innerHTML = out;
+    }
+
+    if (parent) parent.appendChild(this.element);
+  };
+};