1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
//==============================================================================
// Includes
//==============================================================================
#include "Qt3DSTypes.h"
//==============================================================================
// Namespace
//==============================================================================
namespace Q3DStudio {
//==============================================================================
/**
* Single overridable exit point for all low level file calls.
*/
class CFile
{
//==============================================================================
// Typedefs
//==============================================================================
public:
typedef enum _E_SEEK {
E_SEEK_SET = SEEK_SET,
E_SEEK_CUR = SEEK_CUR,
E_SEEK_END = SEEK_END
} E_SEEK;
typedef TFile *(*TOpen)(const char *inFileName, const char *inMode);
typedef int (*TClose)(TFile *inFile);
typedef TFileSize (*TRead)(void *inBuffer, TFileSize inSize, TFileSize inCount, TFile *inFile);
typedef TFileSize (*TWrite)(const void *inBuffer, TFileSize inSize, TFileSize inCount,
TFile *inFile);
typedef long (*TTell)(TFile *inFile);
typedef int (*TSeek)(TFile *inFile, long inOffset, int inOrigin);
//==============================================================================
// Fields
//==============================================================================
protected:
static TOpen s_Open; ///< function pointer to fopen operation
static TClose s_Close; ///< function pointer to fclose operation
static TRead s_Read; ///< function pointer to fread operation
static TWrite s_Write; ///< function pointer to fwrite operation
static TTell s_Tell; ///< function pointer to ftell operation
static TSeek s_Seek; ///< function pointer to fseek operation
//==============================================================================
// Methods
//==============================================================================
public: // Memory override
static void SetFileFunctions(const TOpen inOpen, const TClose inClose, const TRead inRead,
const TWrite inWrite, const TTell inTell, const TSeek inSeek);
public: // Function access
static TOpen Open() { return s_Open; }
static TClose Close() { return s_Close; }
static TRead Read() { return s_Read; }
static TWrite Write() { return s_Write; }
static TTell Tell() { return s_Tell; }
static TSeek Seek() { return s_Seek; }
};
} // namespace Q3DStudio
|
