From c6c425af1156587fd9b770e5d40bc087df0c63d8 Mon Sep 17 00:00:00 2001 From: dsinclair Date: Thu, 29 Sep 2016 12:01:30 -0700 Subject: Move core/fpdfapi/fpdf_parser/include to core/fpdfapi/fpdf_parser BUG=pdfium:611 Review-Url: https://codereview.chromium.org/2383543002 --- core/fpdfapi/fpdf_parser/cpdf_object.h | 183 +++++++++++++++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 core/fpdfapi/fpdf_parser/cpdf_object.h (limited to 'core/fpdfapi/fpdf_parser/cpdf_object.h') diff --git a/core/fpdfapi/fpdf_parser/cpdf_object.h b/core/fpdfapi/fpdf_parser/cpdf_object.h new file mode 100644 index 0000000000..f46741546c --- /dev/null +++ b/core/fpdfapi/fpdf_parser/cpdf_object.h @@ -0,0 +1,183 @@ +// 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_FPDFAPI_FPDF_PARSER_CPDF_OBJECT_H_ +#define CORE_FPDFAPI_FPDF_PARSER_CPDF_OBJECT_H_ + +#include +#include + +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/fx_system.h" + +class CPDF_Array; +class CPDF_Boolean; +class CPDF_Dictionary; +class CPDF_Name; +class CPDF_Null; +class CPDF_Number; +class CPDF_Reference; +class CPDF_Stream; +class CPDF_String; + +class CPDF_Object { + public: + static const uint32_t kInvalidObjNum = static_cast(-1); + enum Type { + BOOLEAN = 1, + NUMBER, + STRING, + NAME, + ARRAY, + DICTIONARY, + STREAM, + NULLOBJ, + REFERENCE + }; + + virtual Type GetType() const = 0; + uint32_t GetObjNum() const { return m_ObjNum; } + uint32_t GetGenNum() const { return m_GenNum; } + + // Create a deep copy of the object. + virtual CPDF_Object* Clone() const = 0; + // Create a deep copy of the object except any reference object be + // copied to the object it points to directly. + virtual CPDF_Object* CloneDirectObject() const; + virtual CPDF_Object* GetDirect() const; + + void Release(); + + virtual CFX_ByteString GetString() const; + virtual CFX_WideString GetUnicodeText() const; + virtual FX_FLOAT GetNumber() const; + virtual int GetInteger() const; + virtual CPDF_Dictionary* GetDict() const; + + virtual void SetString(const CFX_ByteString& str); + + virtual bool IsArray() const; + virtual bool IsBoolean() const; + virtual bool IsDictionary() const; + virtual bool IsName() const; + virtual bool IsNumber() const; + virtual bool IsReference() const; + virtual bool IsStream() const; + virtual bool IsString() const; + + virtual CPDF_Array* AsArray(); + virtual const CPDF_Array* AsArray() const; + virtual CPDF_Boolean* AsBoolean(); + virtual const CPDF_Boolean* AsBoolean() const; + virtual CPDF_Dictionary* AsDictionary(); + virtual const CPDF_Dictionary* AsDictionary() const; + virtual CPDF_Name* AsName(); + virtual const CPDF_Name* AsName() const; + virtual CPDF_Number* AsNumber(); + virtual const CPDF_Number* AsNumber() const; + virtual CPDF_Reference* AsReference(); + virtual const CPDF_Reference* AsReference() const; + virtual CPDF_Stream* AsStream(); + virtual const CPDF_Stream* AsStream() const; + virtual CPDF_String* AsString(); + virtual const CPDF_String* AsString() const; + + protected: + friend class CPDF_Array; + friend class CPDF_Dictionary; + friend class CPDF_Document; + friend class CPDF_IndirectObjectHolder; + friend class CPDF_Parser; + friend class CPDF_Reference; + friend class CPDF_Stream; + friend struct std::default_delete; + + CPDF_Object() : m_ObjNum(0), m_GenNum(0) {} + virtual ~CPDF_Object(); + + CPDF_Object* CloneObjectNonCyclic(bool bDirect) const; + + // Create a deep copy of the object with the option to either + // copy a reference object or directly copy the object it refers to + // when |bDirect| is true. + // Also check cyclic reference against |pVisited|, no copy if it is found. + // Complex objects should implement their own CloneNonCyclic() + // function to properly check for possible loop. + virtual CPDF_Object* CloneNonCyclic( + bool bDirect, + std::set* pVisited) const; + + uint32_t m_ObjNum; + uint32_t m_GenNum; + + private: + CPDF_Object(const CPDF_Object& src) {} +}; + +inline CPDF_Boolean* ToBoolean(CPDF_Object* obj) { + return obj ? obj->AsBoolean() : nullptr; +} + +inline const CPDF_Boolean* ToBoolean(const CPDF_Object* obj) { + return obj ? obj->AsBoolean() : nullptr; +} + +inline CPDF_Number* ToNumber(CPDF_Object* obj) { + return obj ? obj->AsNumber() : nullptr; +} + +inline const CPDF_Number* ToNumber(const CPDF_Object* obj) { + return obj ? obj->AsNumber() : nullptr; +} + +inline CPDF_String* ToString(CPDF_Object* obj) { + return obj ? obj->AsString() : nullptr; +} + +inline const CPDF_String* ToString(const CPDF_Object* obj) { + return obj ? obj->AsString() : nullptr; +} + +inline CPDF_Name* ToName(CPDF_Object* obj) { + return obj ? obj->AsName() : nullptr; +} + +inline const CPDF_Name* ToName(const CPDF_Object* obj) { + return obj ? obj->AsName() : nullptr; +} + +inline CPDF_Array* ToArray(CPDF_Object* obj) { + return obj ? obj->AsArray() : nullptr; +} + +inline const CPDF_Array* ToArray(const CPDF_Object* obj) { + return obj ? obj->AsArray() : nullptr; +} + +inline CPDF_Dictionary* ToDictionary(CPDF_Object* obj) { + return obj ? obj->AsDictionary() : nullptr; +} + +inline const CPDF_Dictionary* ToDictionary(const CPDF_Object* obj) { + return obj ? obj->AsDictionary() : nullptr; +} +inline CPDF_Reference* ToReference(CPDF_Object* obj) { + return obj ? obj->AsReference() : nullptr; +} + +inline const CPDF_Reference* ToReference(const CPDF_Object* obj) { + return obj ? obj->AsReference() : nullptr; +} + +inline CPDF_Stream* ToStream(CPDF_Object* obj) { + return obj ? obj->AsStream() : nullptr; +} + +inline const CPDF_Stream* ToStream(const CPDF_Object* obj) { + return obj ? obj->AsStream() : nullptr; +} + +#endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_OBJECT_H_ -- cgit v1.2.3