cleanup code a bit, avoid tabs, use java mode

pdf.js

@@ -1,4 +1,24 @@
-var EOF = -1;
+/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- /
+/* vim: set shiftwidth=4 tabstop=8 autoindent cindent expandtab: */
+
+var HashMap = (function() {
+    function constructor() {
+    }
+
+    constructor.prototype = {
+        get: function(key) {
+            return this["$" + key];
+        },
+        set: function(key, value) {
+            this["$" + key] = value;
+        },
+        contains: function(key) {
+            return ("$" + key) in this;
+        }
+    };
+
+    return constructor;
+})();
 
 var Obj = (function() {
     function constructor(type, value) {
@@ -43,26 +63,9 @@ var Obj = (function() {
     return constructor;
 })();
 
-var HashMap = (function() {
-    function constructor() {
-    }
-
-    constructor.prototype = {
-	get: function(key) {
-	    return this["$" + key];
-	},
-	set: function(key, value) {
-	    this["$" + key] = value;
-	},
-	contains: function(key) {
-	    return ("$" + key) in this;
-	}
-    };
-
-    return constructor;
-})();
-
 var Lexer = (function() {
+    const EOF = -1;
+
     function constructor(bytes) {
         this.bytes = bytes;
         this.pos = 0;
@@ -236,7 +239,6 @@ var Lexer = (function() {
                         break;
                     }
                     break;
-		    
                 default:
                     str += ch;
                     break;
@@ -407,8 +409,7 @@ var Parser = (function() {
             if (this.inlineImg == 2)
                 this.refill();
 
-	    // array
+            if (this.buf1.isCmd("[")) { // array
-	    if (this.buf1.isCmd("[")) {
                 var obj = new Obj(Obj.Array, []);
                 while (!this.buf1.isCmd("]") && !this.buf1.isEOF())
                     obj.value.push(this.getObj());
@@ -416,9 +417,7 @@ var Parser = (function() {
                     this.error("End of file inside array");
                 this.shift();
                 return obj;
-
+            } else if (this.buf1.isCmd("<<")) { // dictionary or stream
-	    // dictionary or stream
-	    } else if (this.buf1.isCmd("<<")) {
                 this.shift();
                 var obj = new Obj(Obj.Dict, new HashMap());
                 while (!this.buf1.isCmd(">>") && !this.buf1.isEOF()) {
@@ -435,6 +434,7 @@ var Parser = (function() {
                 }
                 if (this.buf1.isEOF())
                     error("End of file inside dictionary");
+
                 // stream objects are not allowed inside content streams or
                 // object streams
                 if (this.allowStreams && this.buf2.isCmd("stream")) {
@@ -444,8 +444,7 @@ var Parser = (function() {
                 }
                 return obj;
 
-	    // indirect reference or integer
+            } else if (this.buf1.isInt()) { // indirect reference or integer
-	    } else if (this.buf1.isInt()) {
                 var num = this.buf1.value;
                 this.shift();
                 if (this.buf1.isInt() && this.buf2.isCmd("R")) {
@@ -455,9 +454,7 @@ var Parser = (function() {
                     return obj;
                 }
                 return new Obj(Obj.Int, num);
-
+            } else if (this.buf1.isString()) { // string
-	    // string
-	    } else if (this.buf1.isString()) {
                 var obj = this.decrypt(this.buf1);
                 this.shift();
                 return obj;
@@ -595,5 +592,3 @@ function checkHeader(arrayBuffer) {
 function setup(arrayBuffer, ownerPassword, userPassword) {
     var ub = checkHeader(arrayBuffer);
 }
-
-})