1 /*---------------------------------------------------------------------------* 2 Project: Horizon 3 File: hio_HostFile.h 4 5 Copyright (C)2009 Nintendo Co., Ltd. All rights reserved. 6 7 These coded instructions, statements, and computer programs contain 8 proprietary information of Nintendo of America Inc. and/or Nintendo 9 Company Ltd., and are protected by Federal copyright law. They may 10 not be disclosed to third parties or copied or duplicated in any form, 11 in whole or in part, without the prior written consent of Nintendo. 12 13 $Rev: 27284 $ 14 *---------------------------------------------------------------------------*/ 15 16 #ifndef NN_HIO_CTR_HIO_HOSTFILE_H_ 17 #define NN_HIO_CTR_HIO_HOSTFILE_H_ 18 #ifdef NN_SWITCH_ENABLE_HOST_IO 19 20 /* Please see man pages for details 21 22 23 24 25 */ 26 27 #include <nn/types.h> 28 29 namespace nn { 30 namespace hio { 31 namespace CTR { 32 33 class HostSystemChannel; 34 35 36 /* Please see man pages for details 37 38 39 */ 40 class HostFile 41 { 42 public: 43 /* Please see man pages for details 44 45 46 */ 47 enum SeekType 48 { 49 SEEK_TYPE_SET, // 50 SEEK_TYPE_CURRENT, // 51 SEEK_TYPE_END // 52 }; 53 54 /* Please see man pages for details 55 56 57 */ 58 enum AccessMode 59 { 60 ACCESS_MODE_READ = (1u << 31), // 61 ACCESS_MODE_WRITE = (1u << 30), // 62 ACCESS_MODE_READ_WRITE = (ACCESS_MODE_READ|ACCESS_MODE_WRITE) // 63 }; 64 65 66 /* Please see man pages for details 67 68 69 */ 70 enum OpenDisp 71 { 72 OPEN_DISP_CREATE_NEW = 1, // 73 OPEN_DISP_CREATE_ALWAYS = 2, // 74 OPEN_DISP_OPEN_EXISTING = 3, // 75 OPEN_DISP_OPEN_ALWAYS = 4 // 76 }; 77 78 private: 79 int m_Fd; 80 81 public: 82 /* Please see man pages for details 83 84 85 */ HostFile()86 HostFile() : m_Fd(-1) {} 87 88 /* Please see man pages for details 89 90 91 */ ~HostFile()92 ~HostFile() 93 { 94 if( m_Fd >= 0 ) 95 { 96 Close(); 97 } 98 } 99 100 101 /* Please see man pages for details 102 103 104 105 106 107 108 109 110 111 */ 112 Result Open(const char* path, bit32 accessMode, OpenDisp disp); 113 114 /* Please see man pages for details 115 116 117 118 119 120 121 122 123 124 */ 125 Result Open(const wchar_t* path, bit32 accessMode, OpenDisp disp); 126 127 /* Please see man pages for details 128 129 130 131 132 */ 133 Result Close(); 134 135 /* Please see man pages for details 136 137 138 139 140 141 142 143 144 145 */ 146 Result Read(size_t* pRead, void* buf, size_t size); 147 148 /* Please see man pages for details 149 150 151 152 153 154 155 156 157 */ Read(void * buf,size_t size)158 s32 Read(void* buf, size_t size) 159 { 160 size_t read; 161 return Read(&read, buf, size).IsFailure() ? -1: static_cast<s32>(read); 162 } 163 164 /* Please see man pages for details 165 166 167 168 169 170 171 172 173 174 */ 175 Result Write(size_t* pWritten, const void* buf, size_t size); 176 177 /* Please see man pages for details 178 179 180 181 182 183 184 185 186 */ Write(const void * buf,size_t size)187 s32 Write(const void* buf, size_t size) 188 { 189 size_t written; 190 return Write(&written, buf, size).IsFailure() ? -1: static_cast<s32>(written); 191 } 192 193 /* Please see man pages for details 194 195 196 197 198 199 200 201 202 203 */ 204 Result Seek(s64* pPosition, s64 offset, SeekType type); 205 206 /* Please see man pages for details 207 208 209 210 211 212 213 214 215 */ Seek(s64 offset,SeekType type)216 s64 Seek(s64 offset, SeekType type) 217 { 218 s64 pos; 219 return Seek(&pos, offset, type).IsFailure() ? -1: pos; 220 } 221 222 /* Please see man pages for details 223 224 225 226 227 228 */ 229 Result SetSize(s64 size); 230 231 /* Please see man pages for details 232 233 234 235 236 237 238 */ 239 Result IsExist(bool *exist, const char* path); 240 241 /* Please see man pages for details 242 243 244 245 246 247 248 */ 249 Result IsExist(bool *exist, const wchar_t* path); 250 }; 251 252 } 253 } 254 } 255 256 257 #endif // ifdef NN_SWITCH_ENABLE_HOST_IO 258 #endif // ifndef NN_HIO_CTR_HIO_HOSTFILE_H_ 259