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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// 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_memory.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();
typedef struct FX_HFILE_ {
void* pData;
}* FX_HFILE;
#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_HFILE FX_File_Open(FX_BSTR fileName, FX_DWORD dwMode);
FX_HFILE FX_File_Open(FX_WSTR fileName, FX_DWORD dwMode);
void FX_File_Close(FX_HFILE hFile);
FX_FILESIZE FX_File_GetSize(FX_HFILE hFile);
FX_FILESIZE FX_File_GetPosition(FX_HFILE hFile);
FX_FILESIZE FX_File_SetPosition(FX_HFILE hFile, FX_FILESIZE pos);
size_t FX_File_Read(FX_HFILE hFile, void* pBuffer, size_t szBuffer);
size_t FX_File_ReadPos(FX_HFILE hFile, void* pBuffer, size_t szBuffer, FX_FILESIZE pos);
size_t FX_File_Write(FX_HFILE hFile, const void* pBuffer, size_t szBuffer);
size_t FX_File_WritePos(FX_HFILE hFile, const void* pBuffer, size_t szBuffer, FX_FILESIZE pos);
FX_BOOL FX_File_Flush(FX_HFILE hFile);
FX_BOOL FX_File_Truncate(FX_HFILE hFile, FX_FILESIZE szFile);
FX_BOOL FX_File_Exist(FX_BSTR fileName);
FX_BOOL FX_File_Exist(FX_WSTR fileName);
FX_BOOL FX_File_Delete(FX_BSTR fileName);
FX_BOOL FX_File_Delete(FX_WSTR fileName);
FX_BOOL FX_File_Copy(FX_BSTR fileNameSrc, FX_BSTR fileNameDst);
FX_BOOL FX_File_Copy(FX_WSTR fileNameSrc, FX_WSTR fileNameDst);
FX_BOOL FX_File_Move(FX_BSTR fileNameSrc, FX_BSTR fileNameDst);
FX_BOOL FX_File_Move(FX_WSTR fileNameSrc, FX_WSTR 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:
virtual void Release() = 0;
virtual FX_FILESIZE GetSize() = 0;
virtual FX_BOOL Flush() = 0;
virtual FX_BOOL WriteBlock(const void* pData, FX_FILESIZE offset, size_t size) = 0;
virtual FX_BOOL WriteBlock(const void* pData, size_t size)
{
return WriteBlock(pData, GetSize(), size);
}
};
IFX_FileWrite* FX_CreateFileWrite(const FX_CHAR* filename);
IFX_FileWrite* FX_CreateFileWrite(const FX_WCHAR* filename);
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:
virtual void Release() = 0;
virtual FX_FILESIZE GetSize() = 0;
virtual FX_BOOL IsEOF()
{
return FALSE;
}
virtual FX_FILESIZE GetPosition()
{
return 0;
}
virtual FX_BOOL SetRange(FX_FILESIZE offset, FX_FILESIZE size)
{
return FALSE;
}
virtual void ClearRange() {}
virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
virtual size_t ReadBlock(void* buffer, size_t size)
{
return 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;
virtual void Release() = 0;
virtual FX_FILESIZE GetSize() = 0;
virtual FX_BOOL IsEOF() = 0;
virtual FX_FILESIZE GetPosition() = 0;
virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) = 0;
virtual size_t ReadBlock(void* buffer, size_t size) = 0;
virtual FX_BOOL WriteBlock(const void* buffer, FX_FILESIZE offset, size_t size) = 0;
virtual FX_BOOL WriteBlock(const void* buffer, size_t size)
{
return WriteBlock(buffer, GetSize(), size);
}
virtual FX_BOOL Flush() = 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:
virtual void Release() = 0;
virtual FX_BOOL IsEOF() = 0;
virtual FX_FILESIZE GetPosition() = 0;
virtual size_t ReadBlock(void* buffer, size_t size) = 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_
|
