Progress

src/crypto.js

@@ -338,7 +338,7 @@ var AES128Cipher = (function aes128Cipher() {
   }
 
   function decryptBlock2(data) {
-    var i, j, sourceLength = data.length,
+    var i, j, ii, sourceLength = data.length,
         buffer = this.buffer, bufferLength = this.bufferPosition,
         result = [], iv = this.iv;
     for (i = 0; i < sourceLength; ++i) {
@@ -366,7 +366,7 @@ var AES128Cipher = (function aes128Cipher() {
       return result[0];
     // combining plain text blocks into one
     var output = new Uint8Array(16 * result.length);
-    for (i = 0, j = 0; i < result.length; ++i, j += 16)
+    for (i = 0, j = 0, ii = result.length; i < ii; ++i, j += 16)
       output.set(result[i], j);
     return output;
   }

src/evaluator.js

@@ -123,7 +123,7 @@ var PartialEvaluator = (function partialEvaluator() {
       function insertDependency(depList) {
         fnArray.push('dependency');
         argsArray.push(depList);
-        for (var i = 0; i < depList.length; i++) {
+        for (var i = 0, ii = depList.length; i < ii; i++) {
           var dep = depList[i];
           if (dependency.indexOf(dep) == -1) {
             dependency.push(depList[i]);
@@ -471,10 +471,10 @@ var PartialEvaluator = (function partialEvaluator() {
         var widths = xref.fetchIfRef(dict.get('W'));
         if (widths) {
           var start = 0, end = 0;
-          for (var i = 0; i < widths.length; i++) {
+          for (var i = 0, ii = widths.length; i < ii; i++) {
             var code = widths[i];
             if (isArray(code)) {
-              for (var j = 0; j < code.length; j++)
+              for (var j = 0, jj = code.length; j < jj; j++)
                 glyphsWidths[start++] = code[j];
               start = 0;
             } else if (start) {
@@ -515,7 +515,7 @@ var PartialEvaluator = (function partialEvaluator() {
 
         // Set encoding 0 to later verify the font has an encoding
         encoding[0] = { unicode: 0, width: 0 };
-        for (var j = 0; j < glyphsData.length; j++) {
+        for (var j = 0, jj = glyphsData.length; j < jj; j++) {
           var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
           if (glyphID == 0)
             continue;
@@ -545,7 +545,7 @@ var PartialEvaluator = (function partialEvaluator() {
           if (encoding.has('Differences')) {
             var diffEncoding = encoding.get('Differences');
             var index = 0;
-            for (var j = 0; j < diffEncoding.length; j++) {
+            for (var j = 0, jj = diffEncoding.length; j < jj; j++) {
               var data = diffEncoding[j];
               if (isNum(data))
                 index = data;
@@ -623,7 +623,7 @@ var PartialEvaluator = (function partialEvaluator() {
           var beginArrayToken = {};
 
           var cmap = cmapObj.getBytes(cmapObj.length);
-          for (var i = 0; i < cmap.length; i++) {
+          for (var i = 0, ii = cmap.length; i < ii; i++) {
             var byte = cmap[i];
             if (byte == 0x20 || byte == 0x0D || byte == 0x0A ||
                 byte == 0x3C || byte == 0x5B || byte == 0x5D) {
@@ -642,7 +642,7 @@ var PartialEvaluator = (function partialEvaluator() {
 
                 case 'endcidrange':
                 case 'endbfrange':
-                  for (var j = 0; j < tokens.length; j += 3) {
+                  for (var j = 0, jj = tokens.length; j < jj; j += 3) {
                     var startRange = tokens[j];
                     var endRange = tokens[j + 1];
                     var code = tokens[j + 2];
@@ -657,7 +657,7 @@ var PartialEvaluator = (function partialEvaluator() {
 
                 case 'endcidchar':
                 case 'endbfchar':
-                  for (var j = 0; j < tokens.length; j += 2) {
+                  for (var j = 0, jj = tokens.length; j < jj; j += 2) {
                     var index = tokens[j];
                     var code = tokens[j + 1];
                     var mapping = map[index] || {};
@@ -807,7 +807,7 @@ var PartialEvaluator = (function partialEvaluator() {
       var encoding = {};
       var widths = xref.fetchIfRef(dict.get('Widths'));
       if (widths) {
-        for (var i = 0, j = firstChar; i < widths.length; i++, j++)
+        for (var i = 0, j = firstChar, ii = widths.length; i < ii; i++, j++)
           glyphWidths[j] = widths[i];
         defaultWidth = parseFloat(descriptor.get('MissingWidth')) || 0;
       } else {

src/function.js

@@ -13,7 +13,7 @@ var PDFFunction = (function pdfFunction() {
     getSampleArray: function pdfFunctionGetSampleArray(size, outputSize, bps,
                                                        str) {
       var length = 1;
-      for (var i = 0; i < size.length; i++)
+      for (var i = 0, ii = size.length; i < ii; i++)
         length *= size[i];
       length *= outputSize;
 
@@ -254,7 +254,7 @@ var PDFFunction = (function pdfFunction() {
       var fnsIR = IR[4];
       var fns = [];
 
-      for (var i = 0; i < fnsIR.length; i++) {
+      for (var i = 0, ii = fnsIR.length; i < ii; i++) {
         fns.push(PDFFunction.fromIR(fnsIR[i]));
       }
 

src/obj.js

@@ -178,7 +178,7 @@ var Catalog = (function catalogCatalog() {
       var kids = pagesDict.get('Kids');
       assertWellFormed(isArray(kids),
                        'page dictionary kids object is not an array');
-      for (var i = 0; i < kids.length; ++i) {
+      for (var i = 0, ii = kids.length; i < ii; ++i) {
         var kid = kids[i];
         assertWellFormed(isRef(kid),
                          'page dictionary kid is not a reference');
@@ -490,12 +490,12 @@ var XRef = (function xRefXRef() {
           position += token.length + 1;
       }
       // reading XRef streams
-      for (var i = 0; i < xrefStms.length; ++i) {
+      for (var i = 0, ii = xrefStms.length; i < ii; ++i) {
           this.readXRef(xrefStms[i]);
       }
       // finding main trailer
       var dict;
-      for (var i = 0; i < trailers.length; ++i) {
+      for (var i = 0, ii = trailers.length; i < ii; ++i) {
         stream.pos = trailers[i];
         var parser = new Parser(new Lexer(stream), true);
         var obj = parser.getObj();