Move CPDF_Parser::ObjectType into protected section

Change-Id: I2a26647359a7d14d7d1269fe2835e0b3184f2ca8
Reviewed-on: https://pdfium-review.googlesource.com/13732
Commit-Queue: Art Snake <art-snake@yandex-team.ru>
Reviewed-by: dsinclair <dsinclair@chromium.org>

1 files changed, 12 insertions, 8 deletions

diff --git a/core/fpdfapi/parser/cpdf_parser.h b/core/fpdfapi/parser/cpdf_parser.h
index 75d58e2e40..5114ee6ba3 100644
--- a/core/fpdfapi/parser/cpdf_parser.h
+++ b/core/fpdfapi/parser/cpdf_parser.h
@@ -41,13 +41,6 @@ class CPDF_Parser {
     HANDLER_ERROR
   };
 
-  enum class ObjectType : uint8_t {
-    kFree = 0x00,
-    kNotCompressed = 0x01,
-    kCompressed = 0x02,
-    kNull = 0xFF,
-  };
-
   // A limit on the maximum object number in the xref table. Theoretical limits
   // are higher, but this may be large enough in practice.
   static const uint32_t kMaxObjectNumber = 1048576;
@@ -81,11 +74,11 @@ class CPDF_Parser {
   uint32_t GetLastObjNum() const;
   bool IsValidObjectNumber(uint32_t objnum) const;
   FX_FILESIZE GetObjectPositionOrZero(uint32_t objnum) const;
-  ObjectType GetObjectType(uint32_t objnum) const;
   uint16_t GetObjectGenNum(uint32_t objnum) const;
   bool IsObjectFreeOrNull(uint32_t objnum) const;
   RetainPtr<CPDF_CryptoHandler> GetCryptoHandler() const;
   RetainPtr<IFX_SeekableReadStream> GetFileAccess() const;
+  bool IsObjectFree(uint32_t objnum) const;
 
   FX_FILESIZE GetObjectOffset(uint32_t objnum) const;
 
@@ -106,6 +99,13 @@ class CPDF_Parser {
   uint32_t GetFirstPageNo() const;
 
  protected:
+  enum class ObjectType : uint8_t {
+    kFree = 0x00,
+    kNotCompressed = 0x01,
+    kCompressed = 0x02,
+    kNull = 0xFF,
+  };
+
   struct ObjectInfo {
     ObjectInfo() : pos(0), type(ObjectType::kFree), gennum(0) {}
     // if type is ObjectType::kCompressed the archive_obj_num should be used.
@@ -192,6 +192,10 @@ class CPDF_Parser {
   bool ParseFileVersion();
 
   UnownedPtr<CPDF_Document> m_pDocument;
+  ObjectType GetObjectType(uint32_t objnum) const;
+  ObjectType GetObjectTypeFromCrossRefStreamType(
+      int cross_ref_stream_type) const;
+
   bool m_bHasParsed;
   bool m_bXRefStream;
   int m_FileVersion;