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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
// Copyright 2014 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_FXCRT_FX_STREAM_H_
#define CORE_INCLUDE_FXCRT_FX_STREAM_H_
#include "fx_string.h"
void* FX_OpenFolder(const FX_CHAR* path);
void* FX_OpenFolder(const FX_WCHAR* path);
FX_BOOL FX_GetNextFile(void* handle,
CFX_ByteString& filename,
FX_BOOL& bFolder);
FX_BOOL FX_GetNextFile(void* handle,
CFX_WideString& filename,
FX_BOOL& bFolder);
void FX_CloseFolder(void* handle);
FX_WCHAR FX_GetFolderSeparator();
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#define FX_FILESIZE int32_t
#else
#include <fcntl.h>
#include <unistd.h>
#include <sys/stat.h>
#ifndef O_BINARY
#define O_BINARY 0
#endif
#ifndef O_LARGEFILE
#define O_LARGEFILE 0
#endif
#define FX_FILESIZE off_t
#endif
#define FX_GETBYTEOFFSET32(a) 0
#define FX_GETBYTEOFFSET40(a) 0
#define FX_GETBYTEOFFSET48(a) 0
#define FX_GETBYTEOFFSET56(a) 0
#define FX_GETBYTEOFFSET24(a) ((uint8_t)(a >> 24))
#define FX_GETBYTEOFFSET16(a) ((uint8_t)(a >> 16))
#define FX_GETBYTEOFFSET8(a) ((uint8_t)(a >> 8))
#define FX_GETBYTEOFFSET0(a) ((uint8_t)(a))
#define FX_FILEMODE_Write 0
#define FX_FILEMODE_ReadOnly 1
#define FX_FILEMODE_Truncate 2
FX_BOOL FX_File_Exist(const CFX_ByteStringC& fileName);
FX_BOOL FX_File_Exist(const CFX_WideStringC& fileName);
FX_BOOL FX_File_Delete(const CFX_ByteStringC& fileName);
FX_BOOL FX_File_Delete(const CFX_WideStringC& fileName);
FX_BOOL FX_File_Copy(const CFX_ByteStringC& fileNameSrc,
const CFX_ByteStringC& fileNameDst);
FX_BOOL FX_File_Copy(const CFX_WideStringC& fileNameSrc,
const CFX_WideStringC& fileNameDst);
FX_BOOL FX_File_Move(const CFX_ByteStringC& fileNameSrc,
const CFX_ByteStringC& fileNameDst);
FX_BOOL FX_File_Move(const CFX_WideStringC& fileNameSrc,
const CFX_WideStringC& fileNameDst);
class IFX_StreamWrite {
public:
virtual ~IFX_StreamWrite() {}
virtual void Release() = 0;
virtual FX_BOOL WriteBlock(const void* pData, size_t size) = 0;
};
class IFX_FileWrite : public IFX_StreamWrite {
public:
// IFX_StreamWrite:
FX_BOOL WriteBlock(const void* pData, size_t size) override {
return WriteBlock(pData, GetSize(), size);
}
virtual FX_FILESIZE GetSize() = 0;
virtual FX_BOOL Flush() = 0;
virtual FX_BOOL WriteBlock(const void* pData,
FX_FILESIZE offset,
size_t size) = 0;
};
class IFX_StreamRead {
public:
virtual ~IFX_StreamRead() {}
virtual void Release() = 0;
virtual FX_BOOL IsEOF() = 0;
virtual FX_FILESIZE GetPosition() = 0;
virtual size_t ReadBlock(void* buffer, size_t size) = 0;
};
class IFX_FileRead : IFX_StreamRead {
public:
// IFX_StreamRead:
void Release() override = 0;
FX_BOOL IsEOF() override { return FALSE; }
FX_FILESIZE GetPosition() override { return 0; }
size_t ReadBlock(void* buffer, size_t size) override { return 0; }
virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
virtual FX_FILESIZE GetSize() = 0;
};
IFX_FileRead* FX_CreateFileRead(const FX_CHAR* filename);
IFX_FileRead* FX_CreateFileRead(const FX_WCHAR* filename);
class IFX_FileStream : public IFX_FileRead, public IFX_FileWrite {
public:
virtual IFX_FileStream* Retain() = 0;
// IFX_FileRead:
void Release() override = 0;
FX_BOOL IsEOF() override = 0;
FX_FILESIZE GetPosition() override = 0;
size_t ReadBlock(void* buffer, size_t size) override = 0;
FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override = 0;
FX_FILESIZE GetSize() override = 0;
// IFX_FileWrite:
FX_BOOL WriteBlock(const void* buffer,
FX_FILESIZE offset,
size_t size) override = 0;
FX_BOOL WriteBlock(const void* buffer, size_t size) override {
return WriteBlock(buffer, GetSize(), size);
}
FX_BOOL Flush() override = 0;
};
IFX_FileStream* FX_CreateFileStream(const FX_CHAR* filename, FX_DWORD dwModes);
IFX_FileStream* FX_CreateFileStream(const FX_WCHAR* filename, FX_DWORD dwModes);
class IFX_MemoryStream : public IFX_FileStream {
public:
virtual FX_BOOL IsConsecutive() const = 0;
virtual void EstimateSize(size_t nInitSize, size_t nGrowSize) = 0;
virtual uint8_t* GetBuffer() const = 0;
virtual void AttachBuffer(uint8_t* pBuffer,
size_t nSize,
FX_BOOL bTakeOver = FALSE) = 0;
virtual void DetachBuffer() = 0;
};
IFX_MemoryStream* FX_CreateMemoryStream(uint8_t* pBuffer,
size_t nSize,
FX_BOOL bTakeOver = FALSE);
IFX_MemoryStream* FX_CreateMemoryStream(FX_BOOL bConsecutive = FALSE);
class IFX_BufferRead : public IFX_StreamRead {
public:
// IFX_StreamRead:
void Release() override = 0;
FX_BOOL IsEOF() override = 0;
FX_FILESIZE GetPosition() override = 0;
size_t ReadBlock(void* buffer, size_t size) override = 0;
virtual FX_BOOL ReadNextBlock(FX_BOOL bRestart = FALSE) = 0;
virtual const uint8_t* GetBlockBuffer() = 0;
virtual size_t GetBlockSize() = 0;
virtual FX_FILESIZE GetBlockOffset() = 0;
};
#endif // CORE_INCLUDE_FXCRT_FX_STREAM_H_
|
