1 /*---------------------------------------------------------------------------* 2 Project: Horizon 3 File: hio_HostFile.h 4 5 Copyright (C)2009-2012 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: 46347 $ 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 /* Please see man pages for details 101 102 103 104 105 106 107 108 109 110 111 112 113 114 */ 115 Result Open(const char* path, bit32 accessMode, OpenDisp disp); 116 117 118 /* Please see man pages for details 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 */ 134 Result Open(const wchar_t* path, bit32 accessMode, OpenDisp disp); 135 136 /* Please see man pages for details 137 138 139 140 141 */ 142 Result Close(); 143 144 /* Please see man pages for details 145 146 147 148 149 150 151 152 153 154 155 156 157 */ 158 Result Read(size_t* pRead, void* buf, size_t size); 159 160 /* Please see man pages for details 161 162 163 164 165 166 167 168 169 170 171 172 */ Read(void * buf,size_t size)173 s32 Read(void* buf, size_t size) 174 { 175 size_t read; 176 return Read(&read, buf, size).IsFailure() ? -1: static_cast<s32>(read); 177 } 178 179 /* Please see man pages for details 180 181 182 183 184 185 186 187 188 189 190 191 192 */ 193 Result Write(size_t* pWritten, const void* buf, size_t size); 194 195 /* Please see man pages for details 196 197 198 199 200 201 202 203 204 205 206 207 */ Write(const void * buf,size_t size)208 s32 Write(const void* buf, size_t size) 209 { 210 size_t written; 211 return Write(&written, buf, size).IsFailure() ? -1: static_cast<s32>(written); 212 } 213 214 /* Please see man pages for details 215 216 217 218 219 220 221 222 223 224 225 226 227 */ 228 Result Seek(s64* pPosition, s64 offset, SeekType type); 229 230 /* Please see man pages for details 231 232 233 234 235 236 237 238 239 240 241 242 */ Seek(s64 offset,SeekType type)243 s64 Seek(s64 offset, SeekType type) 244 { 245 s64 pos; 246 return Seek(&pos, offset, type).IsFailure() ? -1: pos; 247 } 248 249 /* Please see man pages for details 250 251 252 253 254 255 */ 256 Result SetSize(s64 size); 257 258 259 /* Please see man pages for details 260 261 262 263 264 265 266 267 268 269 270 */ 271 Result Exists(bool *exist, const char* path); 272 273 /* Please see man pages for details 274 275 276 277 278 279 280 281 282 283 284 285 286 */ 287 Result Exists(bool *exist, const wchar_t* path); 288 }; 289 290 } 291 } 292 } 293 294 295 #endif // ifdef NN_SWITCH_ENABLE_HOST_IO 296 #endif // ifndef NN_HIO_CTR_HIO_HOSTFILE_H_ 297