Merge pull request #2058 from Pimm/master

Small fixes for normal and potential post-compilation bugs

external/jpgjs/jpg.js

@@ -516,6 +516,10 @@ var JpegImage = (function jpegImage() {
     return lines;
   }
 
+  function clampTo8bit(a) {
+    return a < 0 ? 0 : a > 255 ? 255 : a;
+  }
+
   constructor.prototype = {
     load: function load(path) {
       var xhr = new XMLHttpRequest();
@@ -766,9 +770,6 @@ var JpegImage = (function jpegImage() {
       }
     },
     getData: function getData(width, height) {
-      function clampTo8bit(a) {
-        return a < 0 ? 0 : a > 255 ? 255 : a;
-      }
       var scaleX = this.width / width, scaleY = this.height / height;
 
       var component1, component2, component3, component4;

src/api.js

@@ -361,8 +361,9 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
       var length = this.operatorList.fnArray.length;
       var operatorList = this.operatorList;
       var stepper = null;
-      if (PDFJS.pdfBug && StepperManager.enabled) {
+      if (PDFJS.pdfBug && 'StepperManager' in globalScope &&
-        stepper = StepperManager.create(this.pageNumber - 1);
+          globalScope['StepperManager'].enabled) {
+        stepper = globalScope['StepperManager'].create(this.pageNumber - 1);
         stepper.init(operatorList);
         stepper.nextBreakPoint = stepper.getNextBreakPoint();
       }

src/colorspace.js

@@ -193,7 +193,7 @@ var ColorSpace = (function ColorSpaceClosure() {
       return true;
 
     if (n * 2 !== decode.length) {
-      warning('The decode map is not the correct length');
+      warn('The decode map is not the correct length');
       return true;
     }
     for (var i = 0, ii = decode.length; i < ii; i += 2) {

src/core.js

@@ -236,7 +236,7 @@ var Page = (function PageClosure() {
     },
     getLinks: function Page_getLinks() {
       var links = [];
-      var annotations = pageGetAnnotations();
+      var annotations = this.getAnnotations();
       var i, n = annotations.length;
       for (i = 0; i < n; ++i) {
         if (annotations[i].type != 'Link')

src/fonts.js

@@ -3174,8 +3174,9 @@ var Font = (function FontClosure() {
       var styleSheet = styleElement.sheet;
       styleSheet.insertRule(rule, styleSheet.cssRules.length);
 
-      if (PDFJS.pdfBug && FontInspector.enabled)
+      if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
-        FontInspector.fontAdded(this, url);
+          globalScope['FontInspector'].enabled)
+        globalScope['FontInspector'].fontAdded(this, url);
 
       return rule;
     },
@@ -4704,7 +4705,7 @@ var CFFParser = (function CFFParserClosure() {
 
         var data = charstring;
         var length = data.length;
-        for (var j = 0; j <= length; j) {
+        for (var j = 0; j <= length;) {
           var value = data[j++];
           if (value == 12 && data[j++] == 0) {
               data[j - 2] = 139;

src/function.js

@@ -167,7 +167,7 @@ var PDFFunction = (function PDFFunctionClosure() {
         var range = IR[9];
 
         if (m != args.length)
-          error('Incorrect number of arguments: ' + inputSize + ' != ' +
+          error('Incorrect number of arguments: ' + m + ' != ' +
                 args.length);
 
         var x = args;

src/jpx.js

@@ -269,7 +269,8 @@ var JpxImage = (function JpxImageClosure() {
                   cod.resetContextProbabilities ||
                   cod.terminationOnEachCodingPass ||
                   cod.verticalyStripe || cod.predictableTermination)
-                throw 'Unsupported COD options: ' + uneval(cod);
+                throw 'Unsupported COD options: ' +
+                  globalScope.JSON.stringify(cod);
 
               if (context.mainHeader)
                 context.COD = cod;

src/util.js

@@ -19,12 +19,16 @@
 
 // Use only for debugging purposes. This should not be used in any code that is
 // in mozilla master.
-function log(msg) {
+var log = (function() {
-  if (console && console.log)
+  if ('console' in globalScope && 'log' in globalScope['console']) {
-    console.log(msg);
+    return globalScope['console']['log'].bind(globalScope['console']);
-  else if (print)
+  } else if ('print' in globalScope) {
-    print(msg);
+    return globalScope['print'].bind(globalScope);
-}
+  } else {
+    return function nop() {
+    };
+  }
+})();
 
 // A notice for devs that will not trigger the fallback UI.  These are good
 // for things that are helpful to devs, such as warning that Workers were
@@ -47,7 +51,16 @@ function warn(msg) {
 // Fatal errors that should trigger the fallback UI and halt execution by
 // throwing an exception.
 function error(msg) {
+  // If multiple arguments were passed, pass them all to the log function.
+  if (arguments.length > 1) {
+    var logArguments = ['Error:'];
+    logArguments.push.apply(logArguments, arguments);
+    log.apply(null, logArguments);
+    // Join the arguments into a single string for the lines below.
+    msg = [].join.call(arguments, ' ');
+  } else {
     log('Error: ' + msg);
+  }
   log(backtrace());
   PDFJS.LogManager.notify('error', msg);
   throw new Error(msg);

src/worker.js

@@ -25,11 +25,18 @@ function MessageHandler(name, comObj) {
   var ah = this.actionHandler = {};
 
   ah['console_log'] = [function ahConsoleLog(data) {
-    console.log.apply(console, data);
+    log.apply(null, data);
   }];
+  // If there's no console available, console_error in the
+  // action handler will do nothing.
+  if ('console' in globalScope) {
     ah['console_error'] = [function ahConsoleError(data) {
-    console.error.apply(console, data);
+      globalScope['console'].error.apply(null, data);
     }];
+  } else {
+    ah['console_error'] = [function ahConsoleError(data) {
+    }];
+  }
   ah['_warn'] = [function ah_Warn(data) {
     warn(data);
   }];
@@ -234,7 +241,7 @@ var WorkerMessageHandler = {
         return;
       }
 
-      console.log('page=%d - getOperatorList: time=%dms, len=%d', pageNum,
+      log('page=%d - getOperatorList: time=%dms, len=%d', pageNum,
                               Date.now() - start, operatorList.fnArray.length);
 
       // Filter the dependecies for fonts.
@@ -266,7 +273,7 @@ var WorkerMessageHandler = {
         promise.reject(e);
       }
 
-      console.log('text indexing: page=%d - time=%dms',
+      log('text indexing: page=%d - time=%dms',
                       pageNum, Date.now() - start);
     });
   }
@@ -277,7 +284,7 @@ var consoleTimer = {};
 var workerConsole = {
   log: function log() {
     var args = Array.prototype.slice.call(arguments);
-    postMessage({
+    globalScope.postMessage({
       action: 'console_log',
       data: args
     });
@@ -285,7 +292,7 @@ var workerConsole = {
 
   error: function error() {
     var args = Array.prototype.slice.call(arguments);
-    postMessage({
+    globalScope.postMessage({
       action: 'console_error',
       data: args
     });
@@ -313,7 +320,7 @@ if (typeof window === 'undefined') {
   // throw an exception which will be forwarded on automatically.
   PDFJS.LogManager.addLogger({
     warn: function(msg) {
-      postMessage({
+      globalScope.postMessage({
         action: '_warn',
         data: msg
       });