Move PdfTokenLooper into its own file.

experimental/PdfViewer/src/SkPdfRenderer.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPdfRenderer.h"
 
 #include "SkBitmapDevice.h"
 #include "SkCanvas.h"
 #include "SkDevice.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkPdfFont.h"
 #include "SkPdfGraphicsState.h"
 #include "SkPdfHeaders_autogen.h"
 #include "SkPdfMapper_autogen.h"
 #include "SkPdfNativeTokenizer.h"
 #include "SkPdfRenderer.h"
 #include "SkPdfReporter.h"
+#include "SkPdfTokenLooper.h"
 #include "SkPdfUtils.h"
 #include "SkStream.h"
 #include "SkTypeface.h"
 #include "SkTArray.h"
 #include "SkTDict.h"
 
 // TODO(edisonn): #ifdef these ones, as they are used only for debugging.
 extern "C" SkPdfContext* gPdfContext;
 extern "C" SkBitmap* gDumpBitmap;
 extern "C" SkCanvas* gDumpCanvas;
@@ skipping 164 matching lines @@
     StringsInit() {
         NotOwnedString::init(&strings_DeviceRGB, "DeviceRGB");
         NotOwnedString::init(&strings_DeviceCMYK, "DeviceCMYK");
     }
 };
 
 // TODO(edisonn): this will not work in chrome! Find another solution!
 StringsInit gStringsInit;
 
 // TODO(edisonn): Document PdfTokenLooper and subclasses.
-class PdfTokenLooper {
-protected:
-    PdfTokenLooper* fParent;
-    SkPdfNativeTokenizer* fTokenizer;
-    SkPdfContext* fPdfContext;
-    SkCanvas* fCanvas;
-
-public:
-    PdfTokenLooper(PdfTokenLooper* parent,
-                   SkPdfNativeTokenizer* tokenizer,
-                   SkPdfContext* pdfContext,
-                   SkCanvas* canvas)
-        : fParent(parent), fTokenizer(tokenizer), fPdfContext(pdfContext), fCanvas(canvas) {}
-
-    virtual ~PdfTokenLooper() {}
-
-    virtual SkPdfResult consumeToken(PdfToken& token) = 0;
-    virtual void loop() = 0;
-
-    void setUp(PdfTokenLooper* parent) {
-        fParent = parent;
-        fTokenizer = parent->fTokenizer;
-        fPdfContext = parent->fPdfContext;
-        fCanvas = parent->fCanvas;
-    }
-
-    SkPdfNativeTokenizer* tokenizer() { return fTokenizer; }
-};
-
 class PdfMainLooper : public PdfTokenLooper {
 public:
     PdfMainLooper(PdfTokenLooper* parent,
                   SkPdfNativeTokenizer* tokenizer,
                   SkPdfContext* pdfContext,
                   SkCanvas* canvas)
         : PdfTokenLooper(parent, tokenizer, pdfContext, canvas) {}
 
     virtual SkPdfResult consumeToken(PdfToken& token);
     virtual void loop();
@@ skipping 2912 matching lines @@
 
     rect = SkRect::MakeWH(width, height);
 
     setup_bitmap(output, SkScalarCeilToInt(width), SkScalarCeilToInt(height));
 
     SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (*output)));
     SkCanvas canvas(device);
 
     return renderer->renderPage(page, &canvas, rect);
 }