Merge text search with current master

src/worker.js

@@ -26,7 +26,7 @@ function MessageHandler(name, comObj) {
         delete callbacks[callbackId];
         callback(data.data);
       } else {
-        throw 'Cannot resolve callback ' + callbackId;
+        error('Cannot resolve callback ' + callbackId);
       }
     } else if (data.action in ah) {
       var action = ah[data.action];
@@ -44,7 +44,7 @@ function MessageHandler(name, comObj) {
         action[0].call(action[1], data.data);
       }
     } else {
-      throw 'Unkown action from worker: ' + data.action;
+      error('Unkown action from worker: ' + data.action);
     }
   };
 }
@@ -53,7 +53,7 @@ MessageHandler.prototype = {
   on: function messageHandlerOn(actionName, handler, scope) {
     var ah = this.actionHandler;
     if (ah[actionName]) {
-      throw 'There is already an actionName called "' + actionName + '"';
+      error('There is already an actionName called "' + actionName + '"');
     }
     ah[actionName] = [handler, scope];
   },
@@ -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) {
@@ -103,17 +103,33 @@ 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 getOperatorList()';
+
         // Turn the error into an obj that can be serialized
-        e = {
-          message: typeof e === 'object' ? e.message : e,
-          stack: typeof e === 'object' ? e.stack : null
-        };
+        if (typeof e === 'string') {
+          e = {
+            message: e,
+            stack: minimumStackMessage
+          };
+        } else if (typeof e === 'object') {
+          e = {
+            message: e.message || e.toString(),
+            stack: e.stack || minimumStackMessage
+          };
+        } else {
+          e = {
+            message: 'Unknown exception type: ' + (typeof e),
+            stack: minimumStackMessage
+          };
+        }
+
         handler.send('page_error', {
           pageNum: pageNum,
           error: e
@@ -121,8 +137,8 @@ var WorkerMessageHandler = {
         return;
       }
 
-      console.log('page=%d - getIRQueue: time=%dms, len=%d', pageNum,
-                                  Date.now() - start, IRQueue.fnArray.length);
+      console.log('page=%d - getOperatorList: time=%dms, len=%d', pageNum,
+                              Date.now() - start, operatorList.fnArray.length);
 
       // Filter the dependecies for fonts.
       var fonts = {};
@@ -135,62 +151,13 @@ 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]);
-    });
-
     handler.on('extract_text', function wphExtractText() {
-      var numPages = pdfDoc.numPages;
+      var numPages = pdfModel.numPages;
       var index = [];
       var start = Date.now();
 
@@ -203,12 +170,12 @@ var WorkerMessageHandler = {
         }
 
         var textContent = '';
-        try {
-          var page = pdfDoc.getPage(pageNum);
+        // try {
+          var page = pdfModel.getPage(pageNum);
           textContent = page.extractTextContent();
-        } catch (e) {
-          // Skip errored pages
-        }
+        // } catch (e) {
+        //   // Skip errored pages
+        // }
 
         index.push(textContent);
 
@@ -241,6 +208,7 @@ var workerConsole = {
       action: 'console_error',
       data: args
     });
+    throw 'pdf.js execution error';
   },
 
   time: function time(name) {
@@ -250,7 +218,7 @@ var workerConsole = {
   timeEnd: function timeEnd(name) {
     var time = consoleTimer[name];
     if (time == null) {
-      throw 'Unkown timer name ' + name;
+      error('Unkown timer name ' + name);
     }
     this.log('Timer:', name, Date.now() - time);
   }