From 2d09ef854118692eefd6f04dbd8354811f8a78be Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Sun, 12 Sep 2010 21:47:56 -0700
Subject: [PATCH] Fix style in readline

---
 lib/readline.js | 127 ++++++++++++++++++++++++++++--------------------
 1 file changed, 74 insertions(+), 53 deletions(-)

diff --git a/lib/readline.js b/lib/readline.js
index 6a4652c22e..f6d6034983 100644
--- a/lib/readline.js
+++ b/lib/readline.js
@@ -364,82 +364,103 @@ Interface.prototype._ttyWrite = function (b) {
 
     case 27:    /* escape sequence */
       var next_word, next_non_word, previous_word, previous_non_word;
-      if (b[1] === 98 && this.cursor > 0) { // meta-b - backward word
-	previous_word = this.line.slice(0, this.cursor)
-			  .split('').reverse().join('')
-			  .search(/\w/);
-	if (previous_word !== -1) {
-	  previous_non_word = this.line.slice(0, this.cursor - previous_word)
-				.split('').reverse().join('')
-				.search(/\W/);
-	  if (previous_non_word !== -1) {
-	    this.cursor -= previous_word + previous_non_word;
-	    this._refreshLine();
-	    break;
-	  }
-	}
-	this.cursor = 0;
-	this._refreshLine();
-      } else if (b[1] === 102 && this.cursor < this.line.length) { // meta-f - forward word
-	next_word = this.line.slice(this.cursor, this.line.length)
-		      .search(/\w/);
-	if (next_word !== -1) {
-	  next_non_word = this.line.slice(this.cursor + next_word, this.line.length)
-			    .search(/\W/);
-	  if (next_non_word !== -1) {
-	    this.cursor += next_word + next_non_word;
-	    this._refreshLine();
-	    break;
-	  }
-	}
-	this.cursor = this.line.length;
-	this._refreshLine();
-      } else if (b[1] === 100 && this.cursor < this.line.length) { // meta-d delete forward word
-	next_word = this.line.slice(this.cursor, this.line.length)
-		      .search(/\w/);
-	if (next_word !== -1) {
-	  next_non_word = this.line.slice(this.cursor + next_word, this.line.length)
-			    .search(/\W/);
-	  if (next_non_word !== -1) {
-	    this.line = this.line.slice(this.cursor + next_word + next_non_word);
-	    this.cursor = 0;
-	    this._refreshLine();
-	    break;
-	  }
-	}
-	this.line = '';
-	this.cursor = 0;
-	this._refreshLine();
-      } else if (b[1] === 91 && b[2] === 68) { // left arrow
+
+      if (b[1] === 98 && this.cursor > 0) {
+        // meta-b - backward word
+        previous_word = this.line.slice(0, this.cursor)
+              .split('').reverse().join('')
+              .search(/\w/);
+        if (previous_word !== -1) {
+          previous_non_word = this.line.slice(0, this.cursor - previous_word)
+              .split('').reverse().join('')
+              .search(/\W/);
+          if (previous_non_word !== -1) {
+            this.cursor -= previous_word + previous_non_word;
+            this._refreshLine();
+            break;
+          }
+        }
+        this.cursor = 0;
+        this._refreshLine();
+
+      } else if (b[1] === 102 && this.cursor < this.line.length) {
+        // meta-f - forward word
+        next_word = this.line.slice(this.cursor, this.line.length).search(/\w/);
+        if (next_word !== -1) {
+          next_non_word =
+            this.line.slice(this.cursor + next_word, this.line.length)
+                     .search(/\W/);
+          if (next_non_word !== -1) {
+            this.cursor += next_word + next_non_word;
+            this._refreshLine();
+            break;
+          }
+        }
+        this.cursor = this.line.length;
+        this._refreshLine();
+
+      } else if (b[1] === 100 && this.cursor < this.line.length) {
+        // meta-d delete forward word
+        next_word = this.line.slice(this.cursor, this.line.length).search(/\w/);
+        if (next_word !== -1) {
+          next_non_word =
+            this.line.slice(this.cursor + next_word, this.line.length)
+                     .search(/\W/);
+          if (next_non_word !== -1) {
+            this.line =
+              this.line.slice(this.cursor + next_word + next_non_word);
+            this.cursor = 0;
+            this._refreshLine();
+            break;
+          }
+        }
+        this.line = '';
+        this.cursor = 0;
+        this._refreshLine();
+
+      } else if (b[1] === 91 && b[2] === 68) {
+        // left arrow
         if (this.cursor > 0) {
           this.cursor--;
           this.output.write('\x1b[0D');
         }
-      } else if (b[1] === 91 && b[2] === 67) { // right arrow
+
+      } else if (b[1] === 91 && b[2] === 67) {
+        // right arrow
         if (this.cursor != this.line.length) {
           this.cursor++;
           this.output.write('\x1b[0C');
         }
+
       } else if ((b[1] === 91 && b[2] === 72) ||
                  (b[1] === 79 && b[2] === 72) ||
                  (b[1] === 91 && b[2] === 55) ||
-                 (b[1] === 91 && b[2] === 49 && (b[3] && b[3] === 126))) { // home
+                 (b[1] === 91 && b[2] === 49 && (b[3] && b[3] === 126))) {
+        // home
         this.cursor = 0;
         this._refreshLine();
       } else if ((b[1] === 91 && b[2] === 70) ||
                  (b[1] === 79 && b[2] === 70) ||
                  (b[1] === 91 && b[2] === 56) ||
-                 (b[1] === 91 && b[2] === 52 && (b[3] && b[3] === 126))) { // end
+                 (b[1] === 91 && b[2] === 52 && (b[3] && b[3] === 126))) {
+        // end
         this.cursor = this.line.length;
         this._refreshLine();
-      } else if (b[1] === 91 && b[2] === 65) { // up arrow
+
+      } else if (b[1] === 91 && b[2] === 65) {
+        // up arrow
         this._historyPrev();
-      } else if (b[1] === 91 && b[2] === 66) { // down arrow
+
+      } else if (b[1] === 91 && b[2] === 66) {
+        // down arrow
         this._historyNext();
-      } else if (b[1] === 91 && b[2] === 51 && this.cursor < this.line.length) { // delete right
+
+      } else if (b[1] === 91 && b[2] === 51 && this.cursor < this.line.length) {
+        // delete right
         this.line = this.line.slice(0, this.cursor) +
                     this.line.slice(this.cursor+1, this.line.length);
         this._refreshLine();
+
       }
       break;