Index: core/include/fpdfapi/cpdf_reference.h |
diff --git a/core/include/fpdfapi/cpdf_reference.h b/core/include/fpdfapi/cpdf_reference.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2444aad4fd67da7f0f12bbdfcd3690ece8ba976b |
--- /dev/null |
+++ b/core/include/fpdfapi/cpdf_reference.h |
@@ -0,0 +1,51 @@ |
+// Copyright 2016 PDFium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
+ |
+#ifndef CORE_INCLUDE_FPDFAPI_CPDF_REFERENCE_H_ |
+#define CORE_INCLUDE_FPDFAPI_CPDF_REFERENCE_H_ |
+ |
+#include "core/include/fpdfapi/cpdf_object.h" |
+ |
+class CPDF_IndirectObjectHolder; |
+ |
+class CPDF_Reference : public CPDF_Object { |
+ public: |
+ CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum); |
+ |
+ // CPDF_Object. |
+ Type GetType() const override; |
+ CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; |
+ CPDF_Object* GetDirect() const override; |
+ CFX_ByteString GetString() const override; |
+ CFX_ByteStringC GetConstString() const override; |
+ FX_FLOAT GetNumber() const override; |
+ int GetInteger() const override; |
+ CPDF_Dictionary* GetDict() const override; |
+ |
+ // TODO(weili): check whether GetUnicodeText() and GetArray() are needed. |
+ bool IsReference() const override; |
+ CPDF_Reference* AsReference() override; |
+ const CPDF_Reference* AsReference() const override; |
+ |
+ CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; } |
+ FX_DWORD GetRefObjNum() const { return m_RefObjNum; } |
+ |
+ void SetRef(CPDF_IndirectObjectHolder* pDoc, FX_DWORD objnum); |
+ |
+ protected: |
+ ~CPDF_Reference() override; |
+ CPDF_Object* SafeGetDirect() const { |
+ CPDF_Object* obj = GetDirect(); |
+ if (!obj || obj->IsReference()) |
+ return nullptr; |
+ return obj; |
+ } |
+ |
+ CPDF_IndirectObjectHolder* m_pObjList; |
+ FX_DWORD m_RefObjNum; |
+}; |
+ |
+#endif // CORE_INCLUDE_FPDFAPI_CPDF_REFERENCE_H_ |