1 // Copyright 2016 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #ifndef CORE_FPDFAPI_PARSER_CPDF_NUMBER_H_
8 #define CORE_FPDFAPI_PARSER_CPDF_NUMBER_H_
9 
10 #include <memory>
11 
12 #include "core/fpdfapi/parser/cpdf_object.h"
13 #include "core/fxcrt/fx_string.h"
14 #include "core/fxcrt/fx_system.h"
15 
16 class CPDF_Number : public CPDF_Object {
17  public:
18   CPDF_Number();
19   explicit CPDF_Number(int value);
20   explicit CPDF_Number(float value);
21   explicit CPDF_Number(const ByteStringView& str);
22   ~CPDF_Number() override;
23 
24   // CPDF_Object:
25   Type GetType() const override;
26   std::unique_ptr<CPDF_Object> Clone() const override;
27   ByteString GetString() const override;
28   float GetNumber() const override;
29   int GetInteger() const override;
30   void SetString(const ByteString& str) override;
31   bool IsNumber() const override;
32   CPDF_Number* AsNumber() override;
33   const CPDF_Number* AsNumber() const override;
34   bool WriteTo(IFX_ArchiveStream* archive) const override;
35 
IsInteger()36   bool IsInteger() const { return m_bInteger; }
37 
38  protected:
39   bool m_bInteger;
40   union {
41     int m_Integer;
42     float m_Float;
43   };
44 };
45 
ToNumber(CPDF_Object * obj)46 inline CPDF_Number* ToNumber(CPDF_Object* obj) {
47   return obj ? obj->AsNumber() : nullptr;
48 }
49 
ToNumber(const CPDF_Object * obj)50 inline const CPDF_Number* ToNumber(const CPDF_Object* obj) {
51   return obj ? obj->AsNumber() : nullptr;
52 }
53 
54 #endif  // CORE_FPDFAPI_PARSER_CPDF_NUMBER_H_
55