1 | // |
2 | // Redistribution and use in source and binary forms, with or without |
3 | // modification, are permitted provided that the following conditions |
4 | // are met: |
5 | // * Redistributions of source code must retain the above copyright |
6 | // notice, this list of conditions and the following disclaimer. |
7 | // * Redistributions in binary form must reproduce the above copyright |
8 | // notice, this list of conditions and the following disclaimer in the |
9 | // documentation and/or other materials provided with the distribution. |
10 | // * Neither the name of NVIDIA CORPORATION nor the names of its |
11 | // contributors may be used to endorse or promote products derived |
12 | // from this software without specific prior written permission. |
13 | // |
14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY |
15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
17 | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
25 | // |
26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. |
27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. |
28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved. |
29 | |
30 | |
31 | #ifndef PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H |
32 | #define PX_PHYSICS_EXTENSIONS_DEFAULT_STREAMS_H |
33 | /** \addtogroup extensions |
34 | @{ |
35 | */ |
36 | |
37 | #include <stdio.h> |
38 | #include "common/PxPhysXCommonConfig.h" |
39 | #include "foundation/PxIO.h" |
40 | #include "PxFoundation.h" |
41 | |
42 | typedef FILE* PxFileHandle; |
43 | |
44 | #if !PX_DOXYGEN |
45 | namespace physx |
46 | { |
47 | #endif |
48 | |
49 | /** |
50 | \brief default implementation of a memory write stream |
51 | |
52 | @see PxOutputStream |
53 | */ |
54 | |
55 | class PxDefaultMemoryOutputStream: public PxOutputStream |
56 | { |
57 | public: |
58 | PxDefaultMemoryOutputStream(PxAllocatorCallback &allocator = PxGetFoundation().getAllocatorCallback()); |
59 | virtual ~PxDefaultMemoryOutputStream(); |
60 | |
61 | virtual PxU32 write(const void* src, PxU32 count); |
62 | |
63 | virtual PxU32 getSize() const { return mSize; } |
64 | virtual PxU8* getData() const { return mData; } |
65 | |
66 | private: |
67 | PxDefaultMemoryOutputStream(const PxDefaultMemoryOutputStream&); |
68 | PxDefaultMemoryOutputStream& operator=(const PxDefaultMemoryOutputStream&); |
69 | |
70 | PxAllocatorCallback& mAllocator; |
71 | PxU8* mData; |
72 | PxU32 mSize; |
73 | PxU32 mCapacity; |
74 | }; |
75 | |
76 | /** |
77 | \brief default implementation of a memory read stream |
78 | |
79 | @see PxInputData |
80 | */ |
81 | |
82 | class PxDefaultMemoryInputData: public PxInputData |
83 | { |
84 | public: |
85 | PxDefaultMemoryInputData(PxU8* data, PxU32 length); |
86 | |
87 | virtual PxU32 read(void* dest, PxU32 count); |
88 | virtual PxU32 getLength() const; |
89 | virtual void seek(PxU32 pos); |
90 | virtual PxU32 tell() const; |
91 | |
92 | private: |
93 | PxU32 mSize; |
94 | const PxU8* mData; |
95 | PxU32 mPos; |
96 | }; |
97 | |
98 | |
99 | |
100 | /** |
101 | \brief default implementation of a file write stream |
102 | |
103 | @see PxOutputStream |
104 | */ |
105 | |
106 | class PxDefaultFileOutputStream: public PxOutputStream |
107 | { |
108 | public: |
109 | PxDefaultFileOutputStream(const char* name); |
110 | virtual ~PxDefaultFileOutputStream(); |
111 | |
112 | virtual PxU32 write(const void* src, PxU32 count); |
113 | virtual bool isValid(); |
114 | private: |
115 | PxFileHandle mFile; |
116 | }; |
117 | |
118 | |
119 | /** |
120 | \brief default implementation of a file read stream |
121 | |
122 | @see PxInputData |
123 | */ |
124 | |
125 | class PxDefaultFileInputData: public PxInputData |
126 | { |
127 | public: |
128 | PxDefaultFileInputData(const char* name); |
129 | virtual ~PxDefaultFileInputData(); |
130 | |
131 | virtual PxU32 read(void* dest, PxU32 count); |
132 | virtual void seek(PxU32 pos); |
133 | virtual PxU32 tell() const; |
134 | virtual PxU32 getLength() const; |
135 | |
136 | bool isValid() const; |
137 | private: |
138 | PxFileHandle mFile; |
139 | PxU32 mLength; |
140 | }; |
141 | |
142 | #if !PX_DOXYGEN |
143 | } |
144 | #endif |
145 | |
146 | /** @} */ |
147 | |
148 | #endif |
149 | |
150 | |