pdfviewer: (part 1) store the offset of the location of object in file/stream. In order to use the …

experimental/PdfViewer/pdfparser/native/SkPdfNativeTokenizer.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPdfNativeTokenizer_DEFINED
 #define SkPdfNativeTokenizer_DEFINED
 
+#include "SkPdfConfig.h"
+
 #include "SkTDArray.h"
 #include "SkTDict.h"
 #include <math.h>
 #include <string.h>
 
 class SkPdfDictionary;
 class SkPdfImageDictionary;
 
 // White Spaces
 #define kNUL_PdfWhiteSpace '\x00'
@@ skipping 88 matching lines @@
         fSizeInBytes += bytes;
         return data;
     }
 
     size_t bytesUsed() const {
         return fSizeInBytes;
     }
 };
 
 class SkPdfNativeDoc;
-const unsigned char* nextObject(int level, const unsigned char* start, const unsigned char* end, SkPdfNativeObject* token, SkPdfAllocator* allocator, SkPdfNativeDoc* doc);
+const unsigned char* nextObject(int level, const unsigned char* start, const unsigned char* end, SkPdfNativeObject* token, SkPdfAllocator* allocator, SkPdfNativeDoc* doc GET_TRACK_STREAM);
 
 enum SkPdfTokenType {
     kKeyword_TokenType,
     kObject_TokenType,
 };
 
 struct PdfToken {
     const char*      fKeyword;
     size_t           fKeywordLength;
     SkPdfNativeObject*     fObject;
@@ skipping 18 matching lines @@
     SkPdfNativeDoc* fDoc;
     SkPdfAllocator* fAllocator;
 
     const unsigned char* fUncompressedStreamStart;
     const unsigned char* fUncompressedStream;
     const unsigned char* fUncompressedStreamEnd;
 
     bool fEmpty;
     bool fHasPutBack;
     PdfToken fPutBack;
+
+#ifdef PDF_TRACK_STREAM_OFFSETS
+    int fStreamId;
+#endif  // PDF_TRACK_STREAM_OFFSETS
 };
 
 #endif  // SkPdfNativeTokenizer_DEFINED