summaryrefslogtreecommitdiff
path: root/core/fxcrt/fxcrt_platforms.cpp
blob: b4f6ffa1098ec027bd8e6b7ca517835bb6767d5f (plain)
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
// 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

#include "core/fxcrt/fxcrt_platforms.h"

#include "core/include/fxcrt/fx_basic.h"

#if (_FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ && \
     _FXM_PLATFORM_ != _FXM_PLATFORM_LINUX_ &&   \
     _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ &&   \
     _FXM_PLATFORM_ != _FXM_PLATFORM_ANDROID_)
IFXCRT_FileAccess* FXCRT_FileAccess_Create() {
  return new CFXCRT_FileAccess_CRT;
}
void FXCRT_GetFileModeString(FX_DWORD dwModes, CFX_ByteString& bsMode) {
  if (dwModes & FX_FILEMODE_ReadOnly) {
    bsMode = "rb";
  } else if (dwModes & FX_FILEMODE_Truncate) {
    bsMode = "w+b";
  } else {
    bsMode = "a+b";
  }
}
void FXCRT_GetFileModeString(FX_DWORD dwModes, CFX_WideString& wsMode) {
  if (dwModes & FX_FILEMODE_ReadOnly) {
    wsMode = FX_WSTRC(L"rb");
  } else if (dwModes & FX_FILEMODE_Truncate) {
    wsMode = FX_WSTRC(L"w+b");
  } else {
    wsMode = FX_WSTRC(L"a+b");
  }
}
CFXCRT_FileAccess_CRT::CFXCRT_FileAccess_CRT() : m_hFile(NULL) {}
CFXCRT_FileAccess_CRT::~CFXCRT_FileAccess_CRT() {
  Close();
}
FX_BOOL CFXCRT_FileAccess_CRT::Open(const CFX_ByteStringC& fileName,
                                    FX_DWORD dwMode) {
  if (m_hFile) {
    return FALSE;
  }
  CFX_ByteString strMode;
  FXCRT_GetFileModeString(dwMode, strMode);
  m_hFile = FXSYS_fopen(fileName.GetCStr(), strMode.c_str());
  return m_hFile != NULL;
}
FX_BOOL CFXCRT_FileAccess_CRT::Open(const CFX_WideStringC& fileName,
                                    FX_DWORD dwMode) {
  if (m_hFile) {
    return FALSE;
  }
  CFX_WideString strMode;
  FXCRT_GetFileModeString(dwMode, strMode);
  m_hFile = FXSYS_wfopen(fileName.GetPtr(), strMode.c_str());
  return m_hFile != NULL;
}
void CFXCRT_FileAccess_CRT::Close() {
  if (!m_hFile) {
    return;
  }
  FXSYS_fclose(m_hFile);
  m_hFile = NULL;
}
void CFXCRT_FileAccess_CRT::Release() {
  delete this;
}
FX_FILESIZE CFXCRT_FileAccess_CRT::GetSize() const {
  if (!m_hFile) {
    return 0;
  }
  FX_FILESIZE pos = (FX_FILESIZE)FXSYS_ftell(m_hFile);
  FXSYS_fseek(m_hFile, 0, FXSYS_SEEK_END);
  FX_FILESIZE size = (FX_FILESIZE)FXSYS_ftell(m_hFile);
  FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
  return size;
}
FX_FILESIZE CFXCRT_FileAccess_CRT::GetPosition() const {
  if (!m_hFile) {
    return (FX_FILESIZE)-1;
  }
  return (FX_FILESIZE)FXSYS_ftell(m_hFile);
}
FX_FILESIZE CFXCRT_FileAccess_CRT::SetPosition(FX_FILESIZE pos) {
  if (!m_hFile) {
    return (FX_FILESIZE)-1;
  }
  FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
  return (FX_FILESIZE)FXSYS_ftell(m_hFile);
}
size_t CFXCRT_FileAccess_CRT::Read(void* pBuffer, size_t szBuffer) {
  if (!m_hFile) {
    return 0;
  }
  return FXSYS_fread(pBuffer, 1, szBuffer, m_hFile);
}
size_t CFXCRT_FileAccess_CRT::Write(const void* pBuffer, size_t szBuffer) {
  if (!m_hFile) {
    return 0;
  }
  return FXSYS_fwrite(pBuffer, 1, szBuffer, m_hFile);
}
size_t CFXCRT_FileAccess_CRT::ReadPos(void* pBuffer,
                                      size_t szBuffer,
                                      FX_FILESIZE pos) {
  if (!m_hFile) {
    return (FX_FILESIZE)-1;
  }
  FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
  return FXSYS_fread(pBuffer, 1, szBuffer, m_hFile);
}
size_t CFXCRT_FileAccess_CRT::WritePos(const void* pBuffer,
                                       size_t szBuffer,
                                       FX_FILESIZE pos) {
  if (!m_hFile) {
    return (FX_FILESIZE)-1;
  }
  FXSYS_fseek(m_hFile, pos, FXSYS_SEEK_SET);
  return FXSYS_fwrite(pBuffer, 1, szBuffer, m_hFile);
}
FX_BOOL CFXCRT_FileAccess_CRT::Flush() {
  if (!m_hFile) {
    return FALSE;
  }
  return !FXSYS_fflush(m_hFile);
}
FX_BOOL CFXCRT_FileAccess_CRT::Truncate(FX_FILESIZE szFile) {
  return FALSE;
}
#endif