Merge remote-tracking branch 'origin/master' into mozilla

Makefile

@@ -226,6 +226,7 @@ FIREFOX_CONTENT_DIR := $(EXTENSION_SRC)/firefox/$(CONTENT_DIR)/
 FIREFOX_EXTENSION_FILES_TO_COPY = \
 	*.js \
 	*.rdf \
+	*.png \
 	install.rdf.in \
 	README.mozilla \
 	components \
@@ -234,12 +235,16 @@ FIREFOX_EXTENSION_FILES_TO_COPY = \
 FIREFOX_EXTENSION_FILES = \
 	bootstrap.js \
 	install.rdf \
+	icon.png \
+	icon64.png \
 	components \
 	content \
 	LICENSE \
 	$(NULL)
 FIREFOX_MC_EXTENSION_FILES = \
 	bootstrap.js \
+	icon.png \
+	icon64.png \
 	components \
 	content \
 	LICENSE \

extensions/firefox/bootstrap.js

@@ -10,10 +10,14 @@ let Cc = Components.classes;
 let Ci = Components.interfaces;
 let Cm = Components.manager;
 let Cu = Components.utils;
+let application = Cc['@mozilla.org/fuel/application;1']
+                    .getService(Ci.fuelIApplication);
 
 Cu.import('resource://gre/modules/Services.jsm');
 
 function log(str) {
+  if (!application.prefs.getValue(EXT_PREFIX + '.pdfBugEnabled', false))
+    return;
   dump(str + '\n');
 }
 
@@ -60,12 +64,7 @@ function startup(aData, aReason) {
   var ioService = Services.io;
   var resProt = ioService.getProtocolHandler('resource')
                   .QueryInterface(Ci.nsIResProtocolHandler);
-  var aliasFile = Cc['@mozilla.org/file/local;1']
+  var aliasURI = ioService.newURI('content/', 'UTF-8', aData.resourceURI);
-                    .createInstance(Ci.nsILocalFile);
-  var componentPath = aData.installPath.clone();
-  componentPath.append('content');
-  aliasFile.initWithPath(componentPath.path);
-  var aliasURI = ioService.newFileURI(aliasFile);
   resProt.setSubstitution(RESOURCE_NAME, aliasURI);
 
   // Load the component and register it.
@@ -73,12 +72,9 @@ function startup(aData, aReason) {
                           'components/PdfStreamConverter.js';
   Cu.import(pdfStreamConverterUrl);
   Factory.register(PdfStreamConverter);
-  Services.prefs.setBoolPref('extensions.pdf.js.active', true);
 }
 
 function shutdown(aData, aReason) {
-  if (Services.prefs.getBoolPref('extensions.pdf.js.active'))
-    Services.prefs.setBoolPref('extensions.pdf.js.active', false);
   if (aReason == APP_SHUTDOWN)
     return;
   var ioService = Services.io;
@@ -89,18 +85,14 @@ function shutdown(aData, aReason) {
   // Remove the contract/component.
   Factory.unregister();
   // Unload the converter
-  if (pdfStreamConverterUrl) {
   Cu.unload(pdfStreamConverterUrl);
   pdfStreamConverterUrl = null;
 }
-}
 
 function install(aData, aReason) {
-  Services.prefs.setBoolPref('extensions.pdf.js.active', false);
 }
 
 function uninstall(aData, aReason) {
-  Services.prefs.clearUserPref('extensions.pdf.js.active');
   application.prefs.setValue(EXT_PREFIX + '.database', '{}');
 }
 

extensions/firefox/components/PdfStreamConverter.js

@@ -17,7 +17,15 @@ const MAX_DATABASE_LENGTH = 4096;
 Cu.import('resource://gre/modules/XPCOMUtils.jsm');
 Cu.import('resource://gre/modules/Services.jsm');
 
+let application = Cc['@mozilla.org/fuel/application;1']
+                    .getService(Ci.fuelIApplication);
+let privateBrowsing = Cc['@mozilla.org/privatebrowsing;1']
+                        .getService(Ci.nsIPrivateBrowsingService);
+let inPrivateBrowswing = privateBrowsing.privateBrowsingEnabled;
+
 function log(aMsg) {
+  if (!application.prefs.getValue(EXT_PREFIX + '.pdfBugEnabled', false))
+    return;
   let msg = 'PdfStreamConverter.js: ' + (aMsg.join ? aMsg.join('') : aMsg);
   Services.console.logStringMessage(msg);
   dump(msg + '\n');
@@ -40,11 +48,6 @@ function topWindow(win) {
             .QueryInterface(Ci.nsIInterfaceRequestor)
             .getInterface(Ci.nsIDOMWindow);
 }
-let application = Cc['@mozilla.org/fuel/application;1']
-                    .getService(Ci.fuelIApplication);
-let privateBrowsing = Cc['@mozilla.org/privatebrowsing;1']
-                        .getService(Ci.nsIPrivateBrowsingService);
-let inPrivateBrowswing = privateBrowsing.privateBrowsingEnabled;
 
 // All the priviledged actions.
 function ChromeActions() {
@@ -125,9 +128,6 @@ PdfStreamConverter.prototype = {
 
   // nsIStreamConverter::asyncConvertData
   asyncConvertData: function(aFromType, aToType, aListener, aCtxt) {
-    if (!Services.prefs.getBoolPref('extensions.pdf.js.active'))
-      throw Cr.NS_ERROR_NOT_IMPLEMENTED;
-
     // Ignoring HTTP POST requests -- pdf.js has to repeat the request.
     var skipConversion = false;
     try {

extensions/firefox/install.rdf

@@ -5,9 +5,8 @@
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>uriloader@pdf.js</em:id>
-    <em:name>pdf.js</em:name>
+    <em:name>PDF Viewer</em:name>
     <em:version>PDFJSSCRIPT_VERSION</em:version>
-    <em:iconURL>chrome://pdf.js/skin/logo.png</em:iconURL>
     <em:targetApplication>
       <Description>
        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
@@ -16,9 +15,8 @@
      </Description>
     </em:targetApplication>
     <em:bootstrap>true</em:bootstrap>
-    <em:unpack>true</em:unpack>
+    <em:creator>Mozilla</em:creator>
-    <em:creator>Mozilla Labs</em:creator>
+    <em:description>Uses HTML5 to display PDF files directly in Firefox.</em:description>
-    <em:description>pdf.js uri loader</em:description>
     <em:homepageURL>https://github.com/mozilla/pdf.js/</em:homepageURL>
     <em:type>2</em:type>
     <!-- Use the raw link for updates so we we can use SSL. -->

extensions/firefox/install.rdf.in

@@ -7,22 +7,20 @@
 
   <Description about="urn:mozilla:install-manifest">
     <em:id>uriloader@pdf.js</em:id>
-    <em:name>pdf.js</em:name>
+    <em:name>PDF Viewer</em:name>
     <em:version>PDFJSSCRIPT_VERSION</em:version>
-    <em:iconURL>chrome://pdf.js/skin/logo.png</em:iconURL>
     <em:targetApplication>
       <Description>
        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
        <em:minVersion>@FIREFOX_VERSION@</em:minVersion>
        <em:maxVersion>@FIREFOX_VERSION@</em:maxVersion>
-       <em:strictCompatibility>true</em:strictCompatibility>
      </Description>
     </em:targetApplication>
+    <em:strictCompatibility>true</em:strictCompatibility>
     <em:bootstrap>true</em:bootstrap>
-    <em:unpack>true</em:unpack>
+    <em:creator>Mozilla</em:creator>
-    <em:creator>Mozilla Labs</em:creator>
+    <em:description>Uses HTML5 to display PDF files directly in Firefox.</em:description>
-    <em:description>pdf.js uri loader</em:description>
+    <em:homepageURL>http://support.mozilla.org/kb/using-mozilla-pdf-viewer</em:homepageURL>
-    <em:homepageURL>https://github.com/mozilla/pdf.js/</em:homepageURL>
     <em:type>2</em:type>
   </Description>
 </RDF>

make.js

@@ -220,6 +220,7 @@ target.firefox = function() {
       FIREFOX_EXTENSION_FILES_TO_COPY =
         ['*.js',
          '*.rdf',
+         '*.png',
          'install.rdf.in',
          'README.mozilla',
          'components',
@@ -227,11 +228,15 @@ target.firefox = function() {
       FIREFOX_EXTENSION_FILES =
         ['bootstrap.js',
          'install.rdf',
+         'icon.png',
+         'icon64.png',
          'components',
          'content',
          'LICENSE'];
       FIREFOX_MC_EXTENSION_FILES =
         ['bootstrap.js',
+         'icon.png',
+         'icon64.png',
          'components',
          'content',
          'LICENSE'];

src/bidi.js

@@ -124,7 +124,7 @@ var bidi = PDFJS.bidi = (function bidiClosure() {
     }
   }
 
-  return (function bidi(text, startLevel) {
+  function bidi(text, startLevel) {
     var str = text.str;
     var strLength = str.length;
     if (strLength == 0)
@@ -429,5 +429,8 @@ var bidi = PDFJS.bidi = (function bidiClosure() {
         result += ch;
     }
     return result;
-  });
+  }
+
+  return bidi;
 })();
+

src/canvas.js

@@ -70,7 +70,7 @@ var CanvasExtraState = (function CanvasExtraStateClosure() {
   return CanvasExtraState;
 })();
 
-function ScratchCanvas(width, height) {
+function createScratchCanvas(width, height) {
   var canvas = document.createElement('canvas');
   canvas.width = width;
   canvas.height = height;
@@ -188,9 +188,9 @@ function addContextCurrentTransform(ctx) {
 }
 
 var CanvasGraphics = (function CanvasGraphicsClosure() {
-  // Defines the time the executeIRQueue is going to be executing
+  // Defines the time the executeOperatorList is going to be executing
   // before it stops and shedules a continue of execution.
-  var kExecutionTime = 50;
+  var kExecutionTime = 15;
 
   function CanvasGraphics(canvasCtx, objs, textLayer) {
     this.ctx = canvasCtx;
@@ -199,7 +199,6 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
     this.pendingClip = null;
     this.res = null;
     this.xobjs = null;
-    this.ScratchCanvas = ScratchCanvas;
     this.objs = objs;
     this.textLayer = textLayer;
     if (canvasCtx) {
@@ -229,7 +228,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       'setStrokeColor': true,
       'setStrokeColorN': true,
       'setFillColor': true,
-      'setFillColorN_IR': true,
+      'setFillColorN': true,
       'setStrokeGray': true,
       'setFillGray': true,
       'setStrokeRGBColor': true,
@@ -268,15 +267,16 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
         this.textLayer.beginLayout();
     },
 
-    executeIRQueue: function canvasGraphicsExecuteIRQueue(codeIR,
+    executeOperatorList: function canvasGraphicsExecuteOperatorList(
+                                    operatorList,
                                     executionStartIdx, continueCallback,
                                     stepper) {
-      var argsArray = codeIR.argsArray;
+      var argsArray = operatorList.argsArray;
-      var fnArray = codeIR.fnArray;
+      var fnArray = operatorList.fnArray;
       var i = executionStartIdx || 0;
       var argsArrayLen = argsArray.length;
 
-      // Sometimes the IRQueue to execute is empty.
+      // Sometimes the OperatorList to execute is empty.
       if (argsArrayLen == i) {
         return i;
       }
@@ -314,7 +314,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
 
         i++;
 
-        // If the entire IRQueue was executed, stop as were done.
+        // If the entire operatorList was executed, stop as were done.
         if (i == argsArrayLen) {
           return i;
         }
@@ -327,8 +327,8 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
           return i;
         }
 
-        // If the IRQueue isn't executed completly yet OR the execution time
+        // If the operatorList isn't executed completely yet OR the execution
-        // was short enough, do another execution round.
+        // time was short enough, do another execution round.
       }
     },
 
@@ -556,7 +556,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       this.current.leading = -leading;
     },
     setFont: function canvasGraphicsSetFont(fontRefName, size) {
-      var fontObj = this.objs.get(fontRefName).fontObj;
+      var fontObj = this.objs.get(fontRefName);
       var current = this.current;
 
       if (!fontObj)
@@ -707,7 +707,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
           this.save();
           ctx.scale(fontSize, fontSize);
           ctx.transform.apply(ctx, fontMatrix);
-          this.executeIRQueue(glyph.codeIRQueue);
+          this.executeOperatorList(glyph.operatorList);
           this.restore();
 
           var transformed = Util.applyTransform([glyph.width, 0], fontMatrix);
@@ -908,7 +908,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       this.ctx.strokeStyle = color;
       this.current.strokeColor = color;
     },
-    getColorN_IR_Pattern: function canvasGraphicsGetColorN_IR_Pattern(IR, cs) {
+    getColorN_Pattern: function canvasGraphicsGetColorN_Pattern(IR, cs) {
       if (IR[0] == 'TilingPattern') {
         var args = IR[1];
         var base = cs.base;
@@ -930,11 +930,11 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       }
       return pattern;
     },
-    setStrokeColorN_IR: function canvasGraphicsSetStrokeColorN(/*...*/) {
+    setStrokeColorN: function canvasGraphicsSetStrokeColorN(/*...*/) {
       var cs = this.current.strokeColorSpace;
 
       if (cs.name == 'Pattern') {
-        this.current.strokeColor = this.getColorN_IR_Pattern(arguments, cs);
+        this.current.strokeColor = this.getColorN_Pattern(arguments, cs);
       } else {
         this.setStrokeColor.apply(this, arguments);
       }
@@ -946,11 +946,11 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       this.ctx.fillStyle = color;
       this.current.fillColor = color;
     },
-    setFillColorN_IR: function canvasGraphicsSetFillColorN(/*...*/) {
+    setFillColorN: function canvasGraphicsSetFillColorN(/*...*/) {
       var cs = this.current.fillColorSpace;
 
       if (cs.name == 'Pattern') {
-        this.current.fillColor = this.getColorN_IR_Pattern(arguments, cs);
+        this.current.fillColor = this.getColorN_Pattern(arguments, cs);
       } else {
         this.setFillColor.apply(this, arguments);
       }
@@ -1116,7 +1116,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       // scale the image to the unit square
       ctx.scale(1 / w, -1 / h);
 
-      var tmpCanvas = new this.ScratchCanvas(w, h);
+      var tmpCanvas = createScratchCanvas(w, h);
       var tmpCtx = tmpCanvas.getContext('2d');
 
       var fillColor = this.current.fillColor;
@@ -1147,7 +1147,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
       // scale the image to the unit square
       ctx.scale(1 / w, -1 / h);
 
-      var tmpCanvas = new this.ScratchCanvas(w, h);
+      var tmpCanvas = createScratchCanvas(w, h);
       var tmpCtx = tmpCanvas.getContext('2d');
       this.putBinaryImageData(tmpCtx, imgData, w, h);
 

src/colorspace.js

@@ -135,6 +135,7 @@ var ColorSpace = (function ColorSpaceClosure() {
             basePatternCS = ColorSpace.parseToIR(basePatternCS, xref, res);
           return ['PatternCS', basePatternCS];
         case 'Indexed':
+        case 'I':
           var baseIndexedCS = ColorSpace.parseToIR(cs[1], xref, res);
           var hiVal = cs[2] + 1;
           var lookup = xref.fetchIfRef(cs[3]);

src/core.js

@@ -170,10 +170,10 @@ var Page = (function PageClosure() {
       return shadow(this, 'rotate', rotate);
     },
 
-    startRenderingFromIRQueue: function pageStartRenderingFromIRQueue(
+    startRenderingFromOperatorList: function pageStartRenderingFromOperatorList(
-                                                IRQueue, fonts) {
+                                                operatorList, fonts) {
       var self = this;
-      this.IRQueue = IRQueue;
+      this.operatorList = operatorList;
 
       var displayContinuation = function pageDisplayContinuation() {
         // Always defer call to display() to work around bug in
@@ -184,15 +184,16 @@ var Page = (function PageClosure() {
       };
 
       this.ensureFonts(fonts,
-                       function pageStartRenderingFromIRQueueEnsureFonts() {
+        function pageStartRenderingFromOperatorListEnsureFonts() {
           displayContinuation();
-      });
+        }
+      );
     },
 
-    getIRQueue: function pageGetIRQueue(handler, dependency) {
+    getOperatorList: function pageGetOperatorList(handler, dependency) {
-      if (this.IRQueue) {
+      if (this.operatorList) {
         // content was compiled
-        return this.IRQueue;
+        return this.operatorList;
       }
 
       this.stats.time('Build IR Queue');
@@ -213,11 +214,10 @@ var Page = (function PageClosure() {
 
       var pe = this.pe = new PartialEvaluator(
                                 xref, handler, 'p' + this.pageNumber + '_');
-      var IRQueue = {};
-      this.IRQueue = pe.getIRQueue(content, resources, IRQueue, dependency);
 
+      this.operatorList = pe.getOperatorList(content, resources, dependency);
       this.stats.timeEnd('Build IR Queue');
-      return this.IRQueue;
+      return this.operatorList;
     },
 
     ensureFonts: function pageEnsureFonts(fonts, callback) {
@@ -228,14 +228,13 @@ var Page = (function PageClosure() {
       }
 
       // Load all the fonts
-      var fontObjs = FontLoader.bind(
+      FontLoader.bind(
         fonts,
         function pageEnsureFontsFontObjs(fontObjs) {
           this.stats.timeEnd('Font Loading');
 
           callback.call(this);
-        }.bind(this),
+        }.bind(this)
-        this.objs
       );
     },
 
@@ -255,18 +254,19 @@ var Page = (function PageClosure() {
             rotate: this.rotate });
 
       var startIdx = 0;
-      var length = this.IRQueue.fnArray.length;
+      var length = this.operatorList.fnArray.length;
-      var IRQueue = this.IRQueue;
+      var operatorList = this.operatorList;
       var stepper = null;
       if (PDFJS.pdfBug && StepperManager.enabled) {
         stepper = StepperManager.create(this.pageNumber);
-        stepper.init(IRQueue);
+        stepper.init(operatorList);
         stepper.nextBreakPoint = stepper.getNextBreakPoint();
       }
 
       var self = this;
       function next() {
-        startIdx = gfx.executeIRQueue(IRQueue, startIdx, next, stepper);
+        startIdx =
+          gfx.executeOperatorList(operatorList, startIdx, next, stepper);
         if (startIdx == length) {
           gfx.endDrawing();
           stats.timeEnd('Rendering');
@@ -436,13 +436,14 @@ var Page = (function PageClosure() {
     startRendering: function pageStartRendering(ctx, callback, textLayer)  {
       var stats = this.stats;
       stats.time('Overall');
-      // If there is no displayReadyPromise yet, then the IRQueue was never
+      // If there is no displayReadyPromise yet, then the operatorList was never
       // requested before. Make the request and create the promise.
       if (!this.displayReadyPromise) {
         this.pdf.startRendering(this);
         this.displayReadyPromise = new Promise();
       }
-      // Once the IRQueue and fonts are loaded, perform the actual rendering.
+
+      // Once the operatorList and fonts are loaded, do the actual rendering.
       this.displayReadyPromise.then(
         function pageDisplayReadyPromise() {
           var gfx = new CanvasGraphics(ctx, this.objs, textLayer);
@@ -474,9 +475,6 @@ var Page = (function PageClosure() {
  * Right now there exists one PDFDocModel on the main thread + one object
  * for each worker. If there is no worker support enabled, there are two
  * `PDFDocModel` objects on the main thread created.
- * TODO: Refactor the internal object structure, such that there is no
- * need for the `PDFDocModel` anymore and there is only one object on the
- * main thread and not one entire copy on each worker instance.
  */
 var PDFDocModel = (function PDFDocModelClosure() {
   function PDFDocModel(arg, callback) {
@@ -645,9 +643,9 @@ var PDFDoc = (function PDFDocClosure() {
 
     this.data = data;
     this.stream = stream;
-    this.pdf = new PDFDocModel(stream);
+    this.pdfModel = new PDFDocModel(stream);
-    this.fingerprint = this.pdf.getFingerprint();
+    this.fingerprint = this.pdfModel.getFingerprint();
-    this.catalog = this.pdf.catalog;
+    this.catalog = this.pdfModel.catalog;
     this.objs = new PDFObjects();
 
     this.pageCache = [];
@@ -733,8 +731,9 @@ var PDFDoc = (function PDFDocClosure() {
         var pageNum = data.pageNum;
         var page = this.pageCache[pageNum];
         var depFonts = data.depFonts;
+
         page.stats.timeEnd('Page Request');
-        page.startRenderingFromIRQueue(data.IRQueue, depFonts);
+        page.startRenderingFromOperatorList(data.operatorList, depFonts);
       }, this);
 
       messageHandler.on('obj', function pdfDocObj(data) {
@@ -761,31 +760,16 @@ var PDFDoc = (function PDFDocClosure() {
               file = new Stream(file, 0, file.length, fontFileDict);
             }
 
-            // For now, resolve the font object here direclty. The real font
+            // At this point, only the font object is created but the font is
-            // object is then created in FontLoader.bind().
+            // not yet attached to the DOM. This is done in `FontLoader.bind`.
-            this.objs.resolve(id, {
+            var font = new Font(name, file, properties);
-              name: name,
+            this.objs.resolve(id, font);
-              file: file,
-              properties: properties
-            });
             break;
           default:
             error('Got unkown object type ' + type);
         }
       }, this);
 
-      messageHandler.on('font_ready', function pdfDocFontReady(data) {
-        var id = data[0];
-        var font = new FontShape(data[1]);
-
-        // If there is no string, then there is nothing to attach to the DOM.
-        if (!font.str) {
-          this.objs.resolve(id, font);
-        } else {
-          this.objs.setData(id, font);
-        }
-      }.bind(this));
-
       messageHandler.on('page_error', function pdfDocError(data) {
         var page = this.pageCache[data.pageNum];
         if (page.displayReadyPromise)
@@ -807,7 +791,7 @@ var PDFDoc = (function PDFDocClosure() {
           var size = width * height;
           var rgbaLength = size * 4;
           var buf = new Uint8Array(size * components);
-          var tmpCanvas = new ScratchCanvas(width, height);
+          var tmpCanvas = createScratchCanvas(width, height);
           var tmpCtx = tmpCanvas.getContext('2d');
           tmpCtx.drawImage(img, 0, 0);
           var data = tmpCtx.getImageData(0, 0, width, height).data;
@@ -836,7 +820,7 @@ var PDFDoc = (function PDFDocClosure() {
     },
 
     get numPages() {
-      return this.pdf.numPages;
+      return this.pdfModel.numPages;
     },
 
     startRendering: function pdfDocStartRendering(page) {
@@ -851,7 +835,7 @@ var PDFDoc = (function PDFDocClosure() {
       if (this.pageCache[n])
         return this.pageCache[n];
 
-      var page = this.pdf.getPage(n);
+      var page = this.pdfModel.getPage(n);
       // Add a reference to the objects such that Page can forward the reference
       // to the CanvasGraphics and so on.
       page.objs = this.objs;

src/crypto.js

@@ -570,7 +570,6 @@ var CipherTransformFactory = (function CipherTransformFactoryClosure() {
       };
     }
     error('Unknown crypto method');
-    return null;
   }
 
   CipherTransformFactory.prototype = {

src/evaluator.js

@@ -112,8 +112,8 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
   };
 
   PartialEvaluator.prototype = {
-    getIRQueue: function partialEvaluatorGetIRQueue(stream, resources,
+    getOperatorList: function partialEvaluatorGetOperatorList(stream, resources,
-                                    queue, dependency) {
+                                                      dependency, queue) {
 
       var self = this;
       var xref = this.xref;
@@ -136,8 +136,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
         var fontRes = resources.get('Font');
 
-        // TODO: TOASK: Is it possible to get here? If so, what does
-        // args[0].name should be like???
         assert(fontRes, 'fontRes not available');
 
         fontRes = xref.fetchIfRef(fontRes);
@@ -177,7 +175,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
 
         // Ensure the font is ready before the font is set
         // and later on used for drawing.
-        // TODO: This should get insert to the IRQueue only once per
+        // OPTIMIZE: This should get insert to the operatorList only once per
         // page.
         insertDependency([loadedName]);
         return loadedName;
@@ -239,6 +237,9 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
           }, handler, xref, resources, image, inline);
       }
 
+      if (!queue)
+        queue = {};
+
       if (!queue.argsArray) {
         queue.argsArray = [];
       }
@@ -280,9 +281,6 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
           // TODO figure out how to type-check vararg functions
 
           if ((cmd == 'SCN' || cmd == 'scn') && !args[args.length - 1].code) {
-            // Use the IR version for setStroke/FillColorN.
-            fn += '_IR';
-
             // compile tiling patterns
             var patternName = args[args.length - 1];
             // SCN/scn applies patterns along with normal colors
@@ -295,15 +293,14 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
                 if (typeNum == TILING_PATTERN) {
                   // Create an IR of the pattern code.
                   var depIdx = dependencyArray.length;
-                  var queueObj = {};
+                  var operatorList = this.getOperatorList(pattern,
-                  var codeIR = this.getIRQueue(pattern, dict.get('Resources') ||
+                      dict.get('Resources') || resources, dependencyArray);
-                      resources, queueObj, dependencyArray);
 
                   // Add the dependencies that are required to execute the
-                  // codeIR.
+                  // operatorList.
                   insertDependency(dependencyArray.slice(depIdx));
 
-                  args = TilingPattern.getIR(codeIR, dict, args);
+                  args = TilingPattern.getIR(operatorList, dict, args);
                 }
                 else if (typeNum == SHADING_PATTERN) {
                   var shading = xref.fetchIfRef(dict.get('Shading'));
@@ -337,14 +334,18 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
                 fnArray.push('paintFormXObjectBegin');
                 argsArray.push([matrix, bbox]);
 
-                // This adds the IRQueue of the xObj to the current queue.
+                // This adds the operatorList of the xObj to the current queue.
                 var depIdx = dependencyArray.length;
 
-                this.getIRQueue(xobj, xobj.dict.get('Resources') || resources,
+                // Pass in the current `queue` object. That means the `fnArray`
-                    queue, dependencyArray);
+                // and the `argsArray` in this scope is reused and new commands
+                // are added to them.
+                this.getOperatorList(xobj,
+                    xobj.dict.get('Resources') || resources,
+                    dependencyArray, queue);
 
                // Add the dependencies that are required to execute the
-               // codeIR.
+               // operatorList.
                insertDependency(dependencyArray.slice(depIdx));
 
                 fn = 'paintFormXObjectEnd';
@@ -454,10 +455,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         }
       }
 
-      return {
+      return queue;
-        fnArray: fnArray,
-        argsArray: argsArray
-      };
     },
 
     extractDataStructures: function
@@ -855,12 +853,11 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         var charProcs = xref.fetchIfRef(dict.get('CharProcs'));
         var fontResources = xref.fetchIfRef(dict.get('Resources')) || resources;
         properties.resources = fontResources;
-        properties.charProcIRQueues = {};
+        properties.charProcOperatorList = {};
         for (var key in charProcs.map) {
           var glyphStream = xref.fetchIfRef(charProcs.map[key]);
-          var queueObj = {};
+          properties.charProcOperatorList[key] =
-          properties.charProcIRQueues[key] =
+            this.getOperatorList(glyphStream, fontResources, dependency);
-            this.getIRQueue(glyphStream, fontResources, queueObj, dependency);
         }
       }
 

src/obj.js

@@ -514,7 +514,6 @@ var XRef = (function XRefClosure() {
         return dict;
       // nothing helps
       error('Invalid PDF structure');
-      return null;
     },
     readXRef: function readXref(startXRef) {
       var stream = this.stream;
@@ -723,12 +722,10 @@ var PDFObjects = (function PDFObjectsClosure() {
 
       // If there isn't an object yet or the object isn't resolved, then the
       // data isn't ready yet!
-      if (!obj || !obj.isResolved) {
+      if (!obj || !obj.isResolved)
         error('Requesting object that isn\'t resolved yet ' + objId);
-        return null;
+
-      } else {
       return obj.data;
-      }
     },
 
     /**

src/parser.js

@@ -53,16 +53,15 @@ var Parser = (function ParserClosure() {
         this.shift();
         var dict = new Dict();
         while (!isCmd(this.buf1, '>>') && !isEOF(this.buf1)) {
-          if (!isName(this.buf1)) {
+          if (!isName(this.buf1))
             error('Dictionary key must be a name object');
-          } else {
+
           var key = this.buf1.name;
           this.shift();
           if (isEOF(this.buf1))
             break;
           dict.set(key, this.getObj(cipherTransform));
         }
-        }
         if (isEOF(this.buf1))
           error('End of file inside dictionary');
 
@@ -106,16 +105,15 @@ var Parser = (function ParserClosure() {
       // parse dictionary
       var dict = new Dict();
       while (!isCmd(this.buf1, 'ID') && !isEOF(this.buf1)) {
-        if (!isName(this.buf1)) {
+        if (!isName(this.buf1))
           error('Dictionary key must be a name object');
-        } else {
+
         var key = this.buf1.name;
         this.shift();
         if (isEOF(this.buf1))
           break;
         dict.set(key, this.getObj(cipherTransform));
       }
-      }
 
       // parse image stream
       var startPos = stream.pos;
@@ -176,10 +174,8 @@ var Parser = (function ParserClosure() {
 
       // get length
       var length = this.fetchIfRef(dict.get('Length'));
-      if (!isInt(length)) {
+      if (!isInt(length))
         error('Bad ' + length + ' attribute in stream');
-        length = 0;
-      }
 
       // skip over the stream data
       stream.pos = pos + length;
@@ -208,7 +204,7 @@ var Parser = (function ParserClosure() {
           filter = filterArray[i];
           if (!isName(filter))
             error('Bad filter name: ' + filter);
-          else {
+
           params = null;
           if (isArray(paramsArray) && (i in paramsArray))
             params = paramsArray[i];
@@ -217,7 +213,6 @@ var Parser = (function ParserClosure() {
           length = null;
         }
       }
-      }
       return stream;
     },
     makeFilter: function parserMakeFilter(stream, name, length, params) {
@@ -527,17 +522,15 @@ var Lexer = (function LexerClosure() {
         // fall through
         case ')':
           error('Illegal character: ' + ch);
-          return Error;
       }
 
       // command
       var str = ch;
       while (!!(ch = stream.lookChar()) && !specialChars[ch.charCodeAt(0)]) {
         stream.skip();
-        if (str.length == 128) {
+        if (str.length == 128)
           error('Command token too long: ' + str.length);
-          break;
+
-        }
         str += ch;
       }
       if (str == 'true')
@@ -594,7 +587,6 @@ var Linearization = (function LinearizationClosure() {
         return obj;
       }
       error('"' + name + '" field in linearization table is invalid');
-      return 0;
     },
     getHint: function linearizationGetHint(index) {
       var linDict = this.linDict;
@@ -607,7 +599,6 @@ var Linearization = (function LinearizationClosure() {
         return obj2;
       }
       error('Hints table in linearization table is invalid: ' + index);
-      return 0;
     },
     get length() {
       if (!isDict(this.linDict))

src/pattern.js

@@ -82,7 +82,7 @@ Shadings.RadialAxial = (function RadialAxialClosure() {
     fnObj = xref.fetchIfRef(fnObj);
     if (isArray(fnObj))
       error('No support for array of functions');
-    else if (!isPDFFunction(fnObj))
+    if (!isPDFFunction(fnObj))
       error('Invalid function');
     var fn = PDFFunction.parse(xref, fnObj);
 
@@ -190,7 +190,7 @@ var TilingPattern = (function TilingPatternClosure() {
   var MAX_PATTERN_SIZE = 512;
 
   function TilingPattern(IR, color, ctx, objs) {
-    var IRQueue = IR[2];
+    var operatorList = IR[2];
     this.matrix = IR[3];
     var bbox = IR[4];
     var xstep = IR[5];
@@ -222,7 +222,7 @@ var TilingPattern = (function TilingPatternClosure() {
       width = height = MAX_PATTERN_SIZE;
     }
 
-    var tmpCanvas = new ScratchCanvas(width, height);
+    var tmpCanvas = createScratchCanvas(width, height);
 
     // set the new canvas element context as the graphics context
     var tmpCtx = tmpCanvas.getContext('2d');
@@ -259,12 +259,12 @@ var TilingPattern = (function TilingPatternClosure() {
       graphics.endPath();
     }
 
-    graphics.executeIRQueue(IRQueue);
+    graphics.executeOperatorList(operatorList);
 
     this.canvas = tmpCanvas;
   }
 
-  TilingPattern.getIR = function tiling_getIR(codeIR, dict, args) {
+  TilingPattern.getIR = function tiling_getIR(operatorList, dict, args) {
     var matrix = dict.get('Matrix');
     var bbox = dict.get('BBox');
     var xstep = dict.get('XStep');
@@ -272,7 +272,7 @@ var TilingPattern = (function TilingPatternClosure() {
     var paintType = dict.get('PaintType');
 
     return [
-      'TilingPattern', args, codeIR, matrix, bbox, xstep, ystep, paintType
+      'TilingPattern', args, operatorList, matrix, bbox, xstep, ystep, paintType
     ];
   };
 

src/worker.js

@@ -79,7 +79,7 @@ MessageHandler.prototype = {
 
 var WorkerMessageHandler = {
   setup: function wphSetup(handler) {
-    var pdfDoc = null;
+    var pdfModel = null;
 
     handler.on('test', function wphSetupTest(data) {
       handler.send('test', data instanceof Uint8Array);
@@ -88,7 +88,7 @@ var WorkerMessageHandler = {
     handler.on('doc', function wphSetupDoc(data) {
       // Create only the model of the PDFDoc, which is enough for
       // processing the content of the pdf.
-      pdfDoc = new PDFDocModel(new Stream(data));
+      pdfModel = new PDFDocModel(new Stream(data));
     });
 
     handler.on('page_request', function wphSetupPageRequest(pageNum) {
@@ -103,14 +103,14 @@ var WorkerMessageHandler = {
       var start = Date.now();
 
       var dependency = [];
-      var IRQueue = null;
+      var operatorList = null;
       try {
-        var page = pdfDoc.getPage(pageNum);
+        var page = pdfModel.getPage(pageNum);
         // Pre compile the pdf page and fetch the fonts/images.
-        IRQueue = page.getIRQueue(handler, dependency);
+        operatorList = page.getOperatorList(handler, dependency);
       } catch (e) {
         var minimumStackMessage =
-            'worker.js: while trying to getPage() and getIRQueue()';
+            'worker.js: while trying to getPage() and getOperatorList()';
 
         // Turn the error into an obj that can be serialized
         if (typeof e === 'string') {
@@ -137,8 +137,8 @@ var WorkerMessageHandler = {
         return;
       }
 
-      console.log('page=%d - getIRQueue: time=%dms, len=%d', pageNum,
+      console.log('page=%d - getOperatorList: time=%dms, len=%d', pageNum,
-                                  Date.now() - start, IRQueue.fnArray.length);
+                              Date.now() - start, operatorList.fnArray.length);
 
       // Filter the dependecies for fonts.
       var fonts = {};
@@ -151,59 +151,10 @@ var WorkerMessageHandler = {
 
       handler.send('page', {
         pageNum: pageNum,
-        IRQueue: IRQueue,
+        operatorList: operatorList,
         depFonts: Object.keys(fonts)
       });
     }, this);
-
-    handler.on('font', function wphSetupFont(data) {
-      var objId = data[0];
-      var name = data[1];
-      var file = data[2];
-      var properties = data[3];
-
-      var font = {
-        name: name,
-        file: file,
-        properties: properties
-      };
-
-      // Some fonts don't have a file, e.g. the build in ones like Arial.
-      if (file) {
-        var fontFileDict = new Dict();
-        fontFileDict.map = file.dict.map;
-
-        var fontFile = new Stream(file.bytes, file.start,
-                                  file.end - file.start, fontFileDict);
-
-        // Check if this is a FlateStream. Otherwise just use the created
-        // Stream one. This makes complex_ttf_font.pdf work.
-        var cmf = file.bytes[0];
-        if ((cmf & 0x0f) == 0x08) {
-          font.file = new FlateStream(fontFile);
-        } else {
-          font.file = fontFile;
-        }
-      }
-
-      var obj = new Font(font.name, font.file, font.properties);
-
-      var str = '';
-      var objData = obj.data;
-      if (objData) {
-        var length = objData.length;
-        for (var j = 0; j < length; ++j)
-          str += String.fromCharCode(objData[j]);
-      }
-
-      obj.str = str;
-
-      // Remove the data array form the font object, as it's not needed
-      // anymore as we sent over the ready str.
-      delete obj.data;
-
-      handler.send('font_ready', [objId, obj]);
-    });
   }
 };
 

test/pdfs/.gitignore

@@ -20,10 +20,12 @@
 !scan-bad.pdf
 !freeculture.pdf
 !pdfkit_compressed.pdf
+!TAMReview.pdf
 !issue918.pdf
 !issue1249.pdf
 !smaskdim.pdf
 !type4psfunc.pdf
 !S2.pdf
 !zerowidthline.pdf
+!issue1002.pdf
 !issue925.pdf

test/test_manifest.json

@@ -472,6 +472,14 @@
       "rounds": 1,
       "type": "eq"
     },
+    {  "id": "tamreview",
+      "file": "pdfs/TAMReview.pdf",
+      "md5": "8039aba56790d3597d2bc8c794a51301",
+      "rounds": 1,
+      "pageLimit": 5,
+      "link": true,
+      "type": "eq"
+    },
     {  "id": "issue925",
       "file": "pdfs/issue925.pdf",
       "md5": "f58fe943090aff89dcc8e771bc0db4c2",
@@ -500,6 +508,13 @@
       "link": true,
       "type": "eq"
     },
+    {  "id": "issue1002",
+      "file": "pdfs/issue1002.pdf",
+      "md5": "af62d6cd95079322d4af18edd960d15c",
+      "rounds": 1,
+      "link": false,
+      "type": "eq"
+    },
     {  "id": "issue1243",
       "file": "pdfs/issue1243.pdf",
       "md5": "130c849b83513d5ac5e03c6421fc7489",

test/unit/font_spec.js

@@ -0,0 +1,223 @@
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+describe('font', function() {
+  function hexDump(bytes) {
+    var line = '';
+    for (var i = 0, ii = bytes.length; i < ii; ++i) {
+      var b = bytes[i].toString(16);
+      if (b.length < 2)
+        b = '0' + b;
+      line += b.toString(16);
+    }
+    return line;
+  }
+  // This example font comes from the CFF spec:
+  // http://www.adobe.com/content/dam/Adobe/en/devnet/font/pdfs/5176.CFF.pdf
+  var exampleFont = '0100040100010101134142434445462b' +
+                    '54696d65732d526f6d616e000101011f' +
+                    'f81b00f81c02f81d03f819041c6f000d' +
+                    'fb3cfb6efa7cfa1605e911b8f1120003' +
+                    '01010813183030312e30303754696d65' +
+                    '7320526f6d616e54696d657300000002' +
+                    '010102030e0e7d99f92a99fb7695f773' +
+                    '8b06f79a93fc7c8c077d99f85695f75e' +
+                    '9908fb6e8cf87393f7108b09a70adf0b' +
+                    'f78e14';
+  var fontData = [];
+  for (var i = 0; i < exampleFont.length; i += 2) {
+    var hex = exampleFont.substr(i, 2);
+    fontData.push(parseInt(hex, 16));
+  }
+  var bytes = new Uint8Array(fontData);
+  fontData = {getBytes: function() { return bytes}};
+
+  function bytesToString(bytesArray) {
+    var str = '';
+    for (var i = 0, ii = bytesArray.length; i < ii; i++)
+      str += String.fromCharCode(bytesArray[i]);
+    return str;
+  }
+
+  describe('CFFParser', function() {
+    var parser = new CFFParser(fontData);
+    var cff = parser.parse();
+
+    it('parses header', function() {
+      var header = cff.header;
+      expect(header.major).toEqual(1);
+      expect(header.minor).toEqual(0);
+      expect(header.hdrSize).toEqual(4);
+      expect(header.offSize).toEqual(1);
+    });
+
+    it('parses name index', function() {
+      var names = cff.names;
+      expect(names.length).toEqual(1);
+      expect(names[0]).toEqual('ABCDEF+Times-Roman');
+    });
+
+    it('sanitizes name index', function() {
+      var index = new CFFIndex();
+      index.add(['['.charCodeAt(0), 'a'.charCodeAt(0)]);
+
+      var names = parser.parseNameIndex(index);
+      expect(names).toEqual(['_a']);
+
+      index = new CFFIndex();
+      var longName = [];
+      for (var i = 0; i < 129; i++)
+        longName.push(0);
+      index.add(longName);
+      names = parser.parseNameIndex(index);
+      expect(names[0].length).toEqual(127);
+    });
+
+    it('parses string index', function() {
+      var strings = cff.strings;
+      expect(strings.count).toEqual(3);
+      expect(strings.get(0)).toEqual('.notdef');
+      expect(strings.get(391)).toEqual('001.007');
+    });
+
+    it('parses top dict', function() {
+      var topDict = cff.topDict;
+      // 391 version 392 FullName 393 FamilyName 389 Weight 28416 UniqueID
+      // -168 -218 1000 898 FontBBox 94 CharStrings 45 102 Private
+      expect(topDict.getByName('version')).toEqual(391);
+      expect(topDict.getByName('FullName')).toEqual(392);
+      expect(topDict.getByName('FamilyName')).toEqual(393);
+      expect(topDict.getByName('Weight')).toEqual(389);
+      expect(topDict.getByName('UniqueID')).toEqual(28416);
+      expect(topDict.getByName('FontBBox')).toEqual([-168, -218, 1000, 898]);
+      expect(topDict.getByName('CharStrings')).toEqual(94);
+      expect(topDict.getByName('Private')).toEqual([45, 102]);
+    });
+
+    it('parses predefined charsets', function() {
+      var charset = parser.parseCharsets(0, 0, null, true);
+      expect(charset.predefined).toEqual(true);
+    });
+
+    it('parses charset format 0', function() {
+      // The first three bytes make the offset large enough to skip predefined.
+      var bytes = new Uint8Array([0x00, 0x00, 0x00,
+                                  0x00, // format
+                                  0x00, 0x02 // sid/cid
+                                ]);
+      parser.bytes = bytes;
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), false);
+      expect(charset.charset[1]).toEqual('exclam');
+
+      // CID font
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), true);
+      expect(charset.charset[1]).toEqual(2);
+    });
+
+    it('parses charset format 1', function() {
+      // The first three bytes make the offset large enough to skip predefined.
+      var bytes = new Uint8Array([0x00, 0x00, 0x00,
+                                  0x01, // format
+                                  0x00, 0x08, // sid/cid start
+                                  0x01 // sid/cid left
+                                ]);
+      parser.bytes = bytes;
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), false);
+      expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']);
+
+      // CID font
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), true);
+      expect(charset.charset).toEqual(['.notdef', 8, 9]);
+    });
+
+    it('parses charset format 2', function() {
+      // format 2 is the same as format 1 but the left is card16
+      // The first three bytes make the offset large enough to skip predefined.
+      var bytes = new Uint8Array([0x00, 0x00, 0x00,
+                                  0x02, // format
+                                  0x00, 0x08, // sid/cid start
+                                  0x00, 0x01 // sid/cid left
+                                ]);
+      parser.bytes = bytes;
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), false);
+      expect(charset.charset).toEqual(['.notdef', 'quoteright', 'parenleft']);
+
+      // CID font
+      var charset = parser.parseCharsets(3, 2, new CFFStrings(), true);
+      expect(charset.charset).toEqual(['.notdef', 8, 9]);
+    });
+
+    it('parses encoding format 0', function() {
+      // The first two bytes make the offset large enough to skip predefined.
+      var bytes = new Uint8Array([0x00, 0x00,
+                                  0x00, // format
+                                  0x01, // count
+                                  0x08  // start
+                                ]);
+      parser.bytes = bytes;
+      var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null);
+      expect(encoding.encoding).toEqual({0x8: 1});
+    });
+
+    it('parses encoding format 1', function() {
+      // The first two bytes make the offset large enough to skip predefined.
+      var bytes = new Uint8Array([0x00, 0x00,
+                                  0x01, // format
+                                  0x01, // num ranges
+                                  0x07, // range1 start
+                                  0x01 // range2 left
+                                ]);
+      parser.bytes = bytes;
+      var encoding = parser.parseEncoding(2, {}, new CFFStrings(), null);
+      expect(encoding.encoding).toEqual({0x7: 0x01, 0x08: 0x02});
+    });
+
+    it('parses fdselect format 0', function() {
+      var bytes = new Uint8Array([0x00, // format
+                                  0x00, // gid: 0 fd: 0
+                                  0x01 // gid: 1 fd: 1
+                                ]);
+      parser.bytes = bytes;
+      var fdSelect = parser.parseFDSelect(0, 2);
+      expect(fdSelect.fdSelect).toEqual([0, 1]);
+    });
+
+    it('parses fdselect format 3', function() {
+      var bytes = new Uint8Array([0x03, // format
+                                  0x00, 0x02, // range count
+                                  0x00, 0x00, // first gid
+                                  0x09, // font dict 1 id
+                                  0x00, 0x02, // nex gid
+                                  0x0a, // font dict 2 gid
+                                  0x00, 0x04 // sentinel (last gid)
+                                ]);
+      parser.bytes = bytes;
+      var fdSelect = parser.parseFDSelect(0, 2);
+      expect(fdSelect.fdSelect).toEqual([9, 9, 0xa, 0xa]);
+    });
+    // TODO fdArray
+  });
+  describe('CFFCompiler', function() {
+    it('encodes integers', function() {
+      var c = new CFFCompiler();
+      // all the examples from the spec
+      expect(c.encodeInteger(0)).toEqual([0x8b]);
+      expect(c.encodeInteger(100)).toEqual([0xef]);
+      expect(c.encodeInteger(-100)).toEqual([0x27]);
+      expect(c.encodeInteger(1000)).toEqual([0xfa, 0x7c]);
+      expect(c.encodeInteger(-1000)).toEqual([0xfe, 0x7c]);
+      expect(c.encodeInteger(10000)).toEqual([0x1c, 0x27, 0x10]);
+      expect(c.encodeInteger(-10000)).toEqual([0x1c, 0xd8, 0xf0]);
+      expect(c.encodeInteger(100000)).toEqual([0x1d, 0x00, 0x01, 0x86, 0xa0]);
+      expect(c.encodeInteger(-100000)).toEqual([0x1d, 0xff, 0xfe, 0x79, 0x60]);
+    });
+    it('encodes floats', function() {
+      var c = new CFFCompiler();
+      expect(c.encodeFloat(-2.25)).toEqual([0x1e, 0xe2, 0xa2, 0x5f]);
+      expect(c.encodeFloat(5e-11)).toEqual([0x1e, 0x5c, 0x11, 0xff]);
+    });
+    // TODO a lot more compiler tests
+  });
+});

test/unit/jsTestDriver.conf

@@ -25,6 +25,7 @@ load:
   - ../../src/bidi.js
   - ../../external/jpgjs/jpg.js
   - ../unit/obj_spec.js
+  - ../unit/font_spec.js
   - ../unit/function_spec.js
   - ../unit/crypto_spec.js
   - ../unit/stream_spec.js