| | 1 | /** @file\r |
| | 2 | Provides interface to shell functionality for shell commands and applications.\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| | 5 | Copyright 2018 Dell Technologies.<BR>\r |
| | 6 | This program and the accompanying materials\r |
| | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
| | 8 | which accompanies this distribution. The full text of the license may be found at\r |
| | 9 | http://opensource.org/licenses/bsd-license.php\r |
| | 10 | \r |
| | 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| | 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| | 13 | \r |
| | 14 | **/\r |
| | 15 | \r |
| | 16 | #ifndef __SHELL_LIB__\r |
| | 17 | #define __SHELL_LIB__\r |
| | 18 | \r |
| | 19 | #include <Uefi.h>\r |
| | 20 | #include <Guid/FileInfo.h>\r |
| | 21 | #include <Protocol/SimpleFileSystem.h>\r |
| | 22 | #include <Protocol/LoadedImage.h>\r |
| | 23 | #include <Protocol/EfiShellInterface.h>\r |
| | 24 | #include <Protocol/EfiShellEnvironment2.h>\r |
| | 25 | #include <Protocol/Shell.h>\r |
| | 26 | #include <Protocol/ShellParameters.h>\r |
| | 27 | \r |
| | 28 | #define SHELL_FREE_NON_NULL(Pointer) \\r |
| | 29 | do { \\r |
| | 30 | if ((Pointer) != NULL) { \\r |
| | 31 | FreePool((Pointer)); \\r |
| | 32 | (Pointer) = NULL; \\r |
| | 33 | } \\r |
| | 34 | } while(FALSE)\r |
| | 35 | \r |
| | 36 | extern EFI_SHELL_PARAMETERS_PROTOCOL *gEfiShellParametersProtocol;\r |
| | 37 | extern EFI_SHELL_PROTOCOL *gEfiShellProtocol;\r |
| | 38 | \r |
| | 39 | /**\r |
| | 40 | Return a clean, fully-qualified version of an input path. If the return value\r |
| | 41 | is non-NULL the caller must free the memory when it is no longer needed.\r |
| | 42 | \r |
| | 43 | If asserts are disabled, and if the input parameter is NULL, NULL is returned.\r |
| | 44 | \r |
| | 45 | If there is not enough memory available to create the fully-qualified path or\r |
| | 46 | a copy of the input path, NULL is returned.\r |
| | 47 | \r |
| | 48 | If there is no working directory, a clean copy of Path is returned.\r |
| | 49 | \r |
| | 50 | Otherwise, the current file system or working directory (as appropriate) is\r |
| | 51 | prepended to Path and the resulting path is cleaned and returned.\r |
| | 52 | \r |
| | 53 | NOTE: If the input path is an empty string, then the current working directory\r |
| | 54 | (if it exists) is returned. In other words, an empty input path is treated\r |
| | 55 | exactly the same as ".".\r |
| | 56 | \r |
| | 57 | @param[in] Path A pointer to some file or directory path.\r |
| | 58 | \r |
| | 59 | @retval NULL The input path is NULL or out of memory.\r |
| | 60 | \r |
| | 61 | @retval non-NULL A pointer to a clean, fully-qualified version of Path.\r |
| | 62 | If there is no working directory, then a pointer to a\r |
| | 63 | clean, but not necessarily fully-qualified version of\r |
| | 64 | Path. The caller must free this memory when it is no\r |
| | 65 | longer needed.\r |
| | 66 | **/\r |
| | 67 | CHAR16*\r |
| | 68 | EFIAPI\r |
| | 69 | FullyQualifyPath(\r |
| | 70 | IN CONST CHAR16 *Path\r |
| | 71 | );\r |
| | 72 | \r |
| | 73 | /**\r |
| | 74 | This function will retrieve the information about the file for the handle\r |
| | 75 | specified and store it in allocated pool memory.\r |
| | 76 | \r |
| | 77 | This function allocates a buffer to store the file's information. It is the\r |
| | 78 | caller's responsibility to free the buffer.\r |
| | 79 | \r |
| | 80 | @param[in] FileHandle The file handle of the file for which information is\r |
| | 81 | being requested.\r |
| | 82 | \r |
| | 83 | @retval NULL Information could not be retrieved.\r |
| | 84 | \r |
| | 85 | @return The information about the file.\r |
| | 86 | **/\r |
| | 87 | EFI_FILE_INFO*\r |
| | 88 | EFIAPI\r |
| | 89 | ShellGetFileInfo (\r |
| | 90 | IN SHELL_FILE_HANDLE FileHandle\r |
| | 91 | );\r |
| | 92 | \r |
| | 93 | /**\r |
| | 94 | This function sets the information about the file for the opened handle\r |
| | 95 | specified.\r |
| | 96 | \r |
| | 97 | @param[in] FileHandle The file handle of the file for which information\r |
| | 98 | is being set.\r |
| | 99 | \r |
| | 100 | @param[in] FileInfo The information to set.\r |
| | 101 | \r |
| | 102 | @retval EFI_SUCCESS The information was set.\r |
| | 103 | @retval EFI_INVALID_PARAMETER A parameter was out of range or invalid.\r |
| | 104 | @retval EFI_UNSUPPORTED The FileHandle does not support FileInfo.\r |
| | 105 | @retval EFI_NO_MEDIA The device has no medium.\r |
| | 106 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 107 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 108 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 109 | @retval EFI_ACCESS_DENIED The file was opened read only.\r |
| | 110 | @retval EFI_VOLUME_FULL The volume is full.\r |
| | 111 | **/\r |
| | 112 | EFI_STATUS\r |
| | 113 | EFIAPI\r |
| | 114 | ShellSetFileInfo (\r |
| | 115 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 116 | IN EFI_FILE_INFO *FileInfo\r |
| | 117 | );\r |
| | 118 | \r |
| | 119 | /**\r |
| | 120 | This function will open a file or directory referenced by DevicePath.\r |
| | 121 | \r |
| | 122 | This function opens a file with the open mode according to the file path. The\r |
| | 123 | Attributes is valid only for EFI_FILE_MODE_CREATE.\r |
| | 124 | \r |
| | 125 | @param[in, out] FilePath On input, the device path to the file. On output,\r |
| | 126 | the remaining device path.\r |
| | 127 | @param[out] FileHandle Pointer to the file handle.\r |
| | 128 | @param[in] OpenMode The mode to open the file with.\r |
| | 129 | @param[in] Attributes The file's file attributes.\r |
| | 130 | \r |
| | 131 | @retval EFI_SUCCESS The information was set.\r |
| | 132 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 133 | @retval EFI_UNSUPPORTED Could not open the file path.\r |
| | 134 | @retval EFI_NOT_FOUND The specified file could not be found on the\r |
| | 135 | device or the file system could not be found on\r |
| | 136 | the device.\r |
| | 137 | @retval EFI_NO_MEDIA The device has no medium.\r |
| | 138 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the\r |
| | 139 | medium is no longer supported.\r |
| | 140 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 141 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 142 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 143 | @retval EFI_ACCESS_DENIED The file was opened read only.\r |
| | 144 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the\r |
| | 145 | file.\r |
| | 146 | @retval EFI_VOLUME_FULL The volume is full.\r |
| | 147 | **/\r |
| | 148 | EFI_STATUS\r |
| | 149 | EFIAPI\r |
| | 150 | ShellOpenFileByDevicePath(\r |
| | 151 | IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath,\r |
| | 152 | OUT SHELL_FILE_HANDLE *FileHandle,\r |
| | 153 | IN UINT64 OpenMode,\r |
| | 154 | IN UINT64 Attributes\r |
| | 155 | );\r |
| | 156 | \r |
| | 157 | /**\r |
| | 158 | This function will open a file or directory referenced by filename.\r |
| | 159 | \r |
| | 160 | If return is EFI_SUCCESS, the Filehandle is the opened file's handle;\r |
| | 161 | otherwise, the Filehandle is NULL. Attributes is valid only for\r |
| | 162 | EFI_FILE_MODE_CREATE.\r |
| | 163 | \r |
| | 164 | @param[in] FileName The pointer to file name.\r |
| | 165 | @param[out] FileHandle The pointer to the file handle.\r |
| | 166 | @param[in] OpenMode The mode to open the file with.\r |
| | 167 | @param[in] Attributes The file's file attributes.\r |
| | 168 | \r |
| | 169 | @retval EFI_SUCCESS The information was set.\r |
| | 170 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 171 | @retval EFI_UNSUPPORTED Could not open the file path.\r |
| | 172 | @retval EFI_NOT_FOUND The specified file could not be found on the\r |
| | 173 | device or the file system could not be found\r |
| | 174 | on the device.\r |
| | 175 | @retval EFI_NO_MEDIA The device has no medium.\r |
| | 176 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the\r |
| | 177 | medium is no longer supported.\r |
| | 178 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 179 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 180 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 181 | @retval EFI_ACCESS_DENIED The file was opened read only.\r |
| | 182 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the\r |
| | 183 | file.\r |
| | 184 | @retval EFI_VOLUME_FULL The volume is full.\r |
| | 185 | **/\r |
| | 186 | EFI_STATUS\r |
| | 187 | EFIAPI\r |
| | 188 | ShellOpenFileByName(\r |
| | 189 | IN CONST CHAR16 *FileName,\r |
| | 190 | OUT SHELL_FILE_HANDLE *FileHandle,\r |
| | 191 | IN UINT64 OpenMode,\r |
| | 192 | IN UINT64 Attributes\r |
| | 193 | );\r |
| | 194 | \r |
| | 195 | /**\r |
| | 196 | This function creates a directory.\r |
| | 197 | \r |
| | 198 | If return is EFI_SUCCESS, the Filehandle is the opened directory's handle;\r |
| | 199 | otherwise, the Filehandle is NULL. If the directory already existed, this\r |
| | 200 | function opens the existing directory.\r |
| | 201 | \r |
| | 202 | @param[in] DirectoryName The pointer to Directory name.\r |
| | 203 | @param[out] FileHandle The pointer to the file handle.\r |
| | 204 | \r |
| | 205 | @retval EFI_SUCCESS The information was set.\r |
| | 206 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 207 | @retval EFI_UNSUPPORTED Could not open the file path.\r |
| | 208 | @retval EFI_NOT_FOUND The specified file could not be found on the\r |
| | 209 | device, or the file system could not be found\r |
| | 210 | on the device.\r |
| | 211 | @retval EFI_NO_MEDIA The device has no medium.\r |
| | 212 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the\r |
| | 213 | medium is no longer supported.\r |
| | 214 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 215 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 216 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 217 | @retval EFI_ACCESS_DENIED The file was opened read only.\r |
| | 218 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the\r |
| | 219 | file.\r |
| | 220 | @retval EFI_VOLUME_FULL The volume is full.\r |
| | 221 | **/\r |
| | 222 | EFI_STATUS\r |
| | 223 | EFIAPI\r |
| | 224 | ShellCreateDirectory(\r |
| | 225 | IN CONST CHAR16 *DirectoryName,\r |
| | 226 | OUT SHELL_FILE_HANDLE *FileHandle\r |
| | 227 | );\r |
| | 228 | \r |
| | 229 | /**\r |
| | 230 | This function reads information from an opened file.\r |
| | 231 | \r |
| | 232 | If FileHandle is not a directory, the function reads the requested number of\r |
| | 233 | bytes from the file at the file's current position and returns them in Buffer.\r |
| | 234 | If the read goes beyond the end of the file, the read length is truncated to the\r |
| | 235 | end of the file. The file's current position is increased by the number of bytes\r |
| | 236 | returned. If FileHandle is a directory, the function reads the directory entry\r |
| | 237 | at the file's current position and returns the entry in Buffer. If the Buffer\r |
| | 238 | is not large enough to hold the current directory entry, then\r |
| | 239 | EFI_BUFFER_TOO_SMALL is returned and the current file position is not updated.\r |
| | 240 | BufferSize is set to be the size of the buffer needed to read the entry. On\r |
| | 241 | success, the current position is updated to the next directory entry. If there\r |
| | 242 | are no more directory entries, the read returns a zero-length buffer.\r |
| | 243 | EFI_FILE_INFO is the structure returned as the directory entry.\r |
| | 244 | \r |
| | 245 | @param[in] FileHandle The opened file handle.\r |
| | 246 | @param[in, out] ReadSize On input the size of buffer in bytes. On return\r |
| | 247 | the number of bytes written.\r |
| | 248 | @param[out] Buffer The buffer to put read data into.\r |
| | 249 | \r |
| | 250 | @retval EFI_SUCCESS Data was read.\r |
| | 251 | @retval EFI_NO_MEDIA The device has no media.\r |
| | 252 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 253 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 254 | @retval EFI_BUFFER_TO_SMALL Buffer is too small. ReadSize contains required\r |
| | 255 | size.\r |
| | 256 | \r |
| | 257 | **/\r |
| | 258 | EFI_STATUS\r |
| | 259 | EFIAPI\r |
| | 260 | ShellReadFile(\r |
| | 261 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 262 | IN OUT UINTN *ReadSize,\r |
| | 263 | OUT VOID *Buffer\r |
| | 264 | );\r |
| | 265 | \r |
| | 266 | /**\r |
| | 267 | Write data to a file.\r |
| | 268 | \r |
| | 269 | This function writes the specified number of bytes to the file at the current\r |
| | 270 | file position. The current file position is advanced the actual number of bytes\r |
| | 271 | written, which is returned in BufferSize. Partial writes only occur when there\r |
| | 272 | has been a data error during the write attempt (such as "volume space full").\r |
| | 273 | The file is automatically grown to hold the data if required. Direct writes to\r |
| | 274 | opened directories are not supported.\r |
| | 275 | \r |
| | 276 | @param[in] FileHandle The opened file for writing.\r |
| | 277 | \r |
| | 278 | @param[in, out] BufferSize On input the number of bytes in Buffer. On output\r |
| | 279 | the number of bytes written.\r |
| | 280 | \r |
| | 281 | @param[in] Buffer The buffer containing data to write is stored.\r |
| | 282 | \r |
| | 283 | @retval EFI_SUCCESS Data was written.\r |
| | 284 | @retval EFI_UNSUPPORTED Writes to an open directory are not supported.\r |
| | 285 | @retval EFI_NO_MEDIA The device has no media.\r |
| | 286 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 287 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 288 | @retval EFI_WRITE_PROTECTED The device is write-protected.\r |
| | 289 | @retval EFI_ACCESS_DENIED The file was open for read only.\r |
| | 290 | @retval EFI_VOLUME_FULL The volume is full.\r |
| | 291 | **/\r |
| | 292 | EFI_STATUS\r |
| | 293 | EFIAPI\r |
| | 294 | ShellWriteFile(\r |
| | 295 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 296 | IN OUT UINTN *BufferSize,\r |
| | 297 | IN VOID *Buffer\r |
| | 298 | );\r |
| | 299 | \r |
| | 300 | /**\r |
| | 301 | Close an open file handle.\r |
| | 302 | \r |
| | 303 | This function closes a specified file handle. All "dirty" cached file data is\r |
| | 304 | flushed to the device, and the file is closed. In all cases the handle is\r |
| | 305 | closed.\r |
| | 306 | \r |
| | 307 | @param[in] FileHandle The file handle to close.\r |
| | 308 | \r |
| | 309 | @retval EFI_SUCCESS The file handle was closed sucessfully.\r |
| | 310 | @retval INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 311 | **/\r |
| | 312 | EFI_STATUS\r |
| | 313 | EFIAPI\r |
| | 314 | ShellCloseFile (\r |
| | 315 | IN SHELL_FILE_HANDLE *FileHandle\r |
| | 316 | );\r |
| | 317 | \r |
| | 318 | /**\r |
| | 319 | Delete a file and close the handle\r |
| | 320 | \r |
| | 321 | This function closes and deletes a file. In all cases the file handle is closed.\r |
| | 322 | If the file cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is\r |
| | 323 | returned, but the handle is still closed.\r |
| | 324 | \r |
| | 325 | @param[in] FileHandle The file handle to delete.\r |
| | 326 | \r |
| | 327 | @retval EFI_SUCCESS The file was closed sucessfully.\r |
| | 328 | @retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not\r |
| | 329 | deleted.\r |
| | 330 | @retval INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 331 | **/\r |
| | 332 | EFI_STATUS\r |
| | 333 | EFIAPI\r |
| | 334 | ShellDeleteFile (\r |
| | 335 | IN SHELL_FILE_HANDLE *FileHandle\r |
| | 336 | );\r |
| | 337 | \r |
| | 338 | /**\r |
| | 339 | Set the current position in a file.\r |
| | 340 | \r |
| | 341 | This function sets the current file position for the handle to the position\r |
| | 342 | supplied. With the exception of seeking to position 0xFFFFFFFFFFFFFFFF, only\r |
| | 343 | absolute positioning is supported, and moving past the end of the file is\r |
| | 344 | allowed (a subsequent write would grow the file). Moving to position\r |
| | 345 | 0xFFFFFFFFFFFFFFFF causes the current position to be set to the end of the file.\r |
| | 346 | If FileHandle is a directory, the only position that may be set is zero. This\r |
| | 347 | has the effect of starting the read process of the directory entries over.\r |
| | 348 | \r |
| | 349 | @param[in] FileHandle The file handle on which the position is being set.\r |
| | 350 | \r |
| | 351 | @param[in] Position The byte position from the begining of the file.\r |
| | 352 | \r |
| | 353 | @retval EFI_SUCCESS Operation completed sucessfully.\r |
| | 354 | @retval EFI_UNSUPPORTED The seek request for non-zero is not valid on\r |
| | 355 | directories.\r |
| | 356 | @retval INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 357 | **/\r |
| | 358 | EFI_STATUS\r |
| | 359 | EFIAPI\r |
| | 360 | ShellSetFilePosition (\r |
| | 361 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 362 | IN UINT64 Position\r |
| | 363 | );\r |
| | 364 | \r |
| | 365 | /**\r |
| | 366 | Gets a file's current position\r |
| | 367 | \r |
| | 368 | This function retrieves the current file position for the file handle. For\r |
| | 369 | directories, the current file position has no meaning outside of the file\r |
| | 370 | system driver and as such the operation is not supported. An error is returned\r |
| | 371 | if FileHandle is a directory.\r |
| | 372 | \r |
| | 373 | @param[in] FileHandle The open file handle on which to get the position.\r |
| | 374 | @param[out] Position The byte position from the begining of the file.\r |
| | 375 | \r |
| | 376 | @retval EFI_SUCCESS The operation completed sucessfully.\r |
| | 377 | @retval INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 378 | @retval EFI_UNSUPPORTED The request is not valid on directories.\r |
| | 379 | **/\r |
| | 380 | EFI_STATUS\r |
| | 381 | EFIAPI\r |
| | 382 | ShellGetFilePosition (\r |
| | 383 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 384 | OUT UINT64 *Position\r |
| | 385 | );\r |
| | 386 | \r |
| | 387 | /**\r |
| | 388 | Flushes data on a file\r |
| | 389 | \r |
| | 390 | This function flushes all modified data associated with a file to a device.\r |
| | 391 | \r |
| | 392 | @param[in] FileHandle The file handle on which to flush data.\r |
| | 393 | \r |
| | 394 | @retval EFI_SUCCESS The data was flushed.\r |
| | 395 | @retval EFI_NO_MEDIA The device has no media.\r |
| | 396 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 397 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 398 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 399 | @retval EFI_ACCESS_DENIED The file was opened for read only.\r |
| | 400 | **/\r |
| | 401 | EFI_STATUS\r |
| | 402 | EFIAPI\r |
| | 403 | ShellFlushFile (\r |
| | 404 | IN SHELL_FILE_HANDLE FileHandle\r |
| | 405 | );\r |
| | 406 | \r |
| | 407 | /** Retrieve first entry from a directory.\r |
| | 408 | \r |
| | 409 | This function takes an open directory handle and gets information from the\r |
| | 410 | first entry in the directory. A buffer is allocated to contain\r |
| | 411 | the information and a pointer to the buffer is returned in *Buffer. The\r |
| | 412 | caller can use ShellFindNextFile() to get subsequent directory entries.\r |
| | 413 | \r |
| | 414 | The buffer will be freed by ShellFindNextFile() when the last directory\r |
| | 415 | entry is read. Otherwise, the caller must free the buffer, using FreePool,\r |
| | 416 | when finished with it.\r |
| | 417 | \r |
| | 418 | @param[in] DirHandle The file handle of the directory to search.\r |
| | 419 | @param[out] Buffer The pointer to the buffer for the file's information.\r |
| | 420 | \r |
| | 421 | @retval EFI_SUCCESS Found the first file.\r |
| | 422 | @retval EFI_NOT_FOUND Cannot find the directory.\r |
| | 423 | @retval EFI_NO_MEDIA The device has no media.\r |
| | 424 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 425 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 426 | @return Others Status of ShellGetFileInfo, ShellSetFilePosition,\r |
| | 427 | or ShellReadFile.\r |
| | 428 | \r |
| | 429 | @sa ShellReadFile\r |
| | 430 | **/\r |
| | 431 | EFI_STATUS\r |
| | 432 | EFIAPI\r |
| | 433 | ShellFindFirstFile (\r |
| | 434 | IN SHELL_FILE_HANDLE DirHandle,\r |
| | 435 | OUT EFI_FILE_INFO **Buffer\r |
| | 436 | );\r |
| | 437 | \r |
| | 438 | /** Retrieve next entries from a directory.\r |
| | 439 | \r |
| | 440 | To use this function, the caller must first call the ShellFindFirstFile()\r |
| | 441 | function to get the first directory entry. Subsequent directory entries are\r |
| | 442 | retrieved by using the ShellFindNextFile() function. This function can\r |
| | 443 | be called several times to get each entry from the directory. If the call of\r |
| | 444 | ShellFindNextFile() retrieved the last directory entry, the next call of\r |
| | 445 | this function will set *NoFile to TRUE and free the buffer.\r |
| | 446 | \r |
| | 447 | @param[in] DirHandle The file handle of the directory.\r |
| | 448 | @param[in, out] Buffer The pointer to buffer for file's information.\r |
| | 449 | @param[in, out] NoFile The pointer to boolean when last file is found.\r |
| | 450 | \r |
| | 451 | @retval EFI_SUCCESS Found the next file.\r |
| | 452 | @retval EFI_NO_MEDIA The device has no media.\r |
| | 453 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 454 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 455 | \r |
| | 456 | @sa ShellReadFile\r |
| | 457 | **/\r |
| | 458 | EFI_STATUS\r |
| | 459 | EFIAPI\r |
| | 460 | ShellFindNextFile(\r |
| | 461 | IN SHELL_FILE_HANDLE DirHandle,\r |
| | 462 | IN OUT EFI_FILE_INFO *Buffer,\r |
| | 463 | IN OUT BOOLEAN *NoFile\r |
| | 464 | );\r |
| | 465 | \r |
| | 466 | /**\r |
| | 467 | Retrieve the size of a file.\r |
| | 468 | \r |
| | 469 | This function extracts the file size info from the FileHandle's EFI_FILE_INFO\r |
| | 470 | data.\r |
| | 471 | \r |
| | 472 | @param[in] FileHandle The file handle from which size is retrieved.\r |
| | 473 | @param[out] Size The pointer to size.\r |
| | 474 | \r |
| | 475 | @retval EFI_SUCCESS The operation was completed sucessfully.\r |
| | 476 | @retval EFI_DEVICE_ERROR Cannot access the file.\r |
| | 477 | **/\r |
| | 478 | EFI_STATUS\r |
| | 479 | EFIAPI\r |
| | 480 | ShellGetFileSize (\r |
| | 481 | IN SHELL_FILE_HANDLE FileHandle,\r |
| | 482 | OUT UINT64 *Size\r |
| | 483 | );\r |
| | 484 | \r |
| | 485 | /**\r |
| | 486 | Retrieves the status of the break execution flag\r |
| | 487 | \r |
| | 488 | This function is useful to check whether the application is being asked to halt by the shell.\r |
| | 489 | \r |
| | 490 | @retval TRUE The execution break is enabled.\r |
| | 491 | @retval FALSE The execution break is not enabled.\r |
| | 492 | **/\r |
| | 493 | BOOLEAN\r |
| | 494 | EFIAPI\r |
| | 495 | ShellGetExecutionBreakFlag(\r |
| | 496 | VOID\r |
| | 497 | );\r |
| | 498 | \r |
| | 499 | /**\r |
| | 500 | Return the value of an environment variable.\r |
| | 501 | \r |
| | 502 | This function gets the value of the environment variable set by the\r |
| | 503 | ShellSetEnvironmentVariable function.\r |
| | 504 | \r |
| | 505 | @param[in] EnvKey The key name of the environment variable.\r |
| | 506 | \r |
| | 507 | @retval NULL The named environment variable does not exist.\r |
| | 508 | @return != NULL The pointer to the value of the environment variable.\r |
| | 509 | **/\r |
| | 510 | CONST CHAR16*\r |
| | 511 | EFIAPI\r |
| | 512 | ShellGetEnvironmentVariable (\r |
| | 513 | IN CONST CHAR16 *EnvKey\r |
| | 514 | );\r |
| | 515 | \r |
| | 516 | /**\r |
| | 517 | Set the value of an environment variable.\r |
| | 518 | \r |
| | 519 | This function changes the current value of the specified environment variable. If the\r |
| | 520 | environment variable exists and the Value is an empty string, then the environment\r |
| | 521 | variable is deleted. If the environment variable exists and the Value is not an empty\r |
| | 522 | string, then the value of the environment variable is changed. If the environment\r |
| | 523 | variable does not exist and the Value is an empty string, there is no action. If the\r |
| | 524 | environment variable does not exist and the Value is a non-empty string, then the\r |
| | 525 | environment variable is created and assigned the specified value.\r |
| | 526 | \r |
| | 527 | This is not supported pre-UEFI Shell 2.0.\r |
| | 528 | \r |
| | 529 | @param[in] EnvKey The key name of the environment variable.\r |
| | 530 | @param[in] EnvVal The Value of the environment variable\r |
| | 531 | @param[in] Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).\r |
| | 532 | \r |
| | 533 | @retval EFI_SUCCESS The operation completed sucessfully\r |
| | 534 | @retval EFI_UNSUPPORTED This operation is not allowed in pre-UEFI 2.0 Shell environments.\r |
| | 535 | **/\r |
| | 536 | EFI_STATUS\r |
| | 537 | EFIAPI\r |
| | 538 | ShellSetEnvironmentVariable (\r |
| | 539 | IN CONST CHAR16 *EnvKey,\r |
| | 540 | IN CONST CHAR16 *EnvVal,\r |
| | 541 | IN BOOLEAN Volatile\r |
| | 542 | );\r |
| | 543 | \r |
| | 544 | /**\r |
| | 545 | Cause the shell to parse and execute a command line.\r |
| | 546 | \r |
| | 547 | This function creates a nested instance of the shell and executes the specified\r |
| | 548 | command (CommandLine) with the specified environment (Environment). Upon return,\r |
| | 549 | the status code returned by the specified command is placed in StatusCode.\r |
| | 550 | If Environment is NULL, then the current environment is used and all changes made\r |
| | 551 | by the commands executed will be reflected in the current environment. If the\r |
| | 552 | Environment is non-NULL, then the changes made will be discarded.\r |
| | 553 | The CommandLine is executed from the current working directory on the current\r |
| | 554 | device.\r |
| | 555 | \r |
| | 556 | The EnvironmentVariables and Status parameters are ignored in a pre-UEFI Shell 2.0\r |
| | 557 | environment. The values pointed to by the parameters will be unchanged by the\r |
| | 558 | ShellExecute() function. The Output parameter has no effect in a\r |
| | 559 | UEFI Shell 2.0 environment.\r |
| | 560 | \r |
| | 561 | @param[in] ParentHandle The parent image starting the operation.\r |
| | 562 | @param[in] CommandLine The pointer to a NULL terminated command line.\r |
| | 563 | @param[in] Output True to display debug output. False to hide it.\r |
| | 564 | @param[in] EnvironmentVariables Optional pointer to array of environment variables\r |
| | 565 | in the form "x=y". If NULL, the current set is used.\r |
| | 566 | @param[out] Status The status of the run command line.\r |
| | 567 | \r |
| | 568 | @retval EFI_SUCCESS The operation completed sucessfully. Status\r |
| | 569 | contains the status code returned.\r |
| | 570 | @retval EFI_INVALID_PARAMETER A parameter contains an invalid value.\r |
| | 571 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r |
| | 572 | @retval EFI_UNSUPPORTED The operation is not allowed.\r |
| | 573 | **/\r |
| | 574 | EFI_STATUS\r |
| | 575 | EFIAPI\r |
| | 576 | ShellExecute (\r |
| | 577 | IN EFI_HANDLE *ParentHandle,\r |
| | 578 | IN CHAR16 *CommandLine,\r |
| | 579 | IN BOOLEAN Output,\r |
| | 580 | IN CHAR16 **EnvironmentVariables,\r |
| | 581 | OUT EFI_STATUS *Status\r |
| | 582 | );\r |
| | 583 | \r |
| | 584 | /**\r |
| | 585 | Retreives the current directory path.\r |
| | 586 | \r |
| | 587 | If the DeviceName is NULL, it returns the current device's current directory\r |
| | 588 | name. If the DeviceName is not NULL, it returns the current directory name\r |
| | 589 | on specified drive.\r |
| | 590 | \r |
| | 591 | Note that the current directory string should exclude the tailing backslash character.\r |
| | 592 | \r |
| | 593 | @param[in] DeviceName The name of the file system to get directory on.\r |
| | 594 | \r |
| | 595 | @retval NULL The directory does not exist.\r |
| | 596 | @retval != NULL The directory.\r |
| | 597 | **/\r |
| | 598 | CONST CHAR16*\r |
| | 599 | EFIAPI\r |
| | 600 | ShellGetCurrentDir (\r |
| | 601 | IN CHAR16 * CONST DeviceName OPTIONAL\r |
| | 602 | );\r |
| | 603 | \r |
| | 604 | /**\r |
| | 605 | Sets (enabled or disabled) the page break mode.\r |
| | 606 | \r |
| | 607 | When page break mode is enabled the screen will stop scrolling\r |
| | 608 | and wait for operator input before scrolling a subsequent screen.\r |
| | 609 | \r |
| | 610 | @param[in] CurrentState TRUE to enable and FALSE to disable.\r |
| | 611 | **/\r |
| | 612 | VOID\r |
| | 613 | EFIAPI\r |
| | 614 | ShellSetPageBreakMode (\r |
| | 615 | IN BOOLEAN CurrentState\r |
| | 616 | );\r |
| | 617 | \r |
| | 618 | /**\r |
| | 619 | Opens a group of files based on a path.\r |
| | 620 | \r |
| | 621 | This function uses the Arg to open all the matching files. Each matched\r |
| | 622 | file has a SHELL_FILE_ARG structure to record the file information. These\r |
| | 623 | structures are placed on the list ListHead. Users can get the SHELL_FILE_ARG\r |
| | 624 | structures from ListHead to access each file. This function supports wildcards\r |
| | 625 | and will process '?' and '*' as such. The list must be freed with a call to\r |
| | 626 | ShellCloseFileMetaArg().\r |
| | 627 | \r |
| | 628 | If you are NOT appending to an existing list *ListHead must be NULL. If\r |
| | 629 | *ListHead is NULL then it must be callee freed.\r |
| | 630 | \r |
| | 631 | @param[in] Arg The pointer to path string.\r |
| | 632 | @param[in] OpenMode Mode to open files with.\r |
| | 633 | @param[in, out] ListHead Head of linked list of results.\r |
| | 634 | \r |
| | 635 | @retval EFI_SUCCESS The operation was sucessful and the list head\r |
| | 636 | contains the list of opened files.\r |
| | 637 | @retval != EFI_SUCCESS The operation failed.\r |
| | 638 | \r |
| | 639 | @sa InternalShellConvertFileListType\r |
| | 640 | **/\r |
| | 641 | EFI_STATUS\r |
| | 642 | EFIAPI\r |
| | 643 | ShellOpenFileMetaArg (\r |
| | 644 | IN CHAR16 *Arg,\r |
| | 645 | IN UINT64 OpenMode,\r |
| | 646 | IN OUT EFI_SHELL_FILE_INFO **ListHead\r |
| | 647 | );\r |
| | 648 | \r |
| | 649 | /**\r |
| | 650 | Free the linked list returned from ShellOpenFileMetaArg.\r |
| | 651 | \r |
| | 652 | @param[in, out] ListHead The pointer to free.\r |
| | 653 | \r |
| | 654 | @retval EFI_SUCCESS The operation was sucessful.\r |
| | 655 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r |
| | 656 | **/\r |
| | 657 | EFI_STATUS\r |
| | 658 | EFIAPI\r |
| | 659 | ShellCloseFileMetaArg (\r |
| | 660 | IN OUT EFI_SHELL_FILE_INFO **ListHead\r |
| | 661 | );\r |
| | 662 | \r |
| | 663 | /**\r |
| | 664 | Find a file by searching the CWD and then the path.\r |
| | 665 | \r |
| | 666 | If FileName is NULL, then ASSERT.\r |
| | 667 | \r |
| | 668 | If the return value is not NULL then the memory must be caller freed.\r |
| | 669 | \r |
| | 670 | @param[in] FileName Filename string.\r |
| | 671 | \r |
| | 672 | @retval NULL The file was not found.\r |
| | 673 | @retval !NULL The path to the file.\r |
| | 674 | **/\r |
| | 675 | CHAR16 *\r |
| | 676 | EFIAPI\r |
| | 677 | ShellFindFilePath (\r |
| | 678 | IN CONST CHAR16 *FileName\r |
| | 679 | );\r |
| | 680 | \r |
| | 681 | /**\r |
| | 682 | Find a file by searching the CWD and then the path with a variable set of file\r |
| | 683 | extensions. If the file is not found it will append each extension in the list\r |
| | 684 | in the order provided and return the first one that is successful.\r |
| | 685 | \r |
| | 686 | If FileName is NULL, then ASSERT.\r |
| | 687 | If FileExtension is NULL, then the behavior is identical to ShellFindFilePath.\r |
| | 688 | \r |
| | 689 | If the return value is not NULL then the memory must be caller freed.\r |
| | 690 | \r |
| | 691 | @param[in] FileName The filename string.\r |
| | 692 | @param[in] FileExtension Semicolon delimited list of possible extensions.\r |
| | 693 | \r |
| | 694 | @retval NULL The file was not found.\r |
| | 695 | @retval !NULL The path to the file.\r |
| | 696 | **/\r |
| | 697 | CHAR16 *\r |
| | 698 | EFIAPI\r |
| | 699 | ShellFindFilePathEx (\r |
| | 700 | IN CONST CHAR16 *FileName,\r |
| | 701 | IN CONST CHAR16 *FileExtension\r |
| | 702 | );\r |
| | 703 | \r |
| | 704 | typedef enum {\r |
| | 705 | TypeFlag = 0, ///< A flag that is present or not present only (IE "-a").\r |
| | 706 | TypeValue, ///< A flag that has some data following it with a space (IE "-a 1").\r |
| | 707 | TypePosition, ///< Some data that did not follow a parameter (IE "filename.txt").\r |
| | 708 | TypeStart, ///< A flag that has variable value appended to the end (IE "-ad", "-afd", "-adf", etc...).\r |
| | 709 | TypeDoubleValue, ///< A flag that has 2 space seperated value data following it (IE "-a 1 2").\r |
| | 710 | TypeMaxValue, ///< A flag followed by all the command line data before the next flag.\r |
| | 711 | TypeTimeValue, ///< A flag that has a time value following it (IE "-a -5:00").\r |
| | 712 | TypeMax,\r |
| | 713 | } SHELL_PARAM_TYPE;\r |
| | 714 | \r |
| | 715 | typedef struct {\r |
| | 716 | CHAR16 *Name;\r |
| | 717 | SHELL_PARAM_TYPE Type;\r |
| | 718 | } SHELL_PARAM_ITEM;\r |
| | 719 | \r |
| | 720 | \r |
| | 721 | /// Helper structure for no parameters (besides -? and -b)\r |
| | 722 | extern SHELL_PARAM_ITEM EmptyParamList[];\r |
| | 723 | \r |
| | 724 | /// Helper structure for -sfo only (besides -? and -b)\r |
| | 725 | extern SHELL_PARAM_ITEM SfoParamList[];\r |
| | 726 | \r |
| | 727 | /**\r |
| | 728 | Checks the command line arguments passed against the list of valid ones.\r |
| | 729 | Optionally removes NULL values first.\r |
| | 730 | \r |
| | 731 | If no initialization is required, then return RETURN_SUCCESS.\r |
| | 732 | \r |
| | 733 | @param[in] CheckList The pointer to list of parameters to check.\r |
| | 734 | @param[out] CheckPackage The package of checked values.\r |
| | 735 | @param[out] ProblemParam Optional pointer to pointer to unicode string for\r |
| | 736 | the paramater that caused failure.\r |
| | 737 | @param[in] AutoPageBreak Will automatically set PageBreakEnabled.\r |
| | 738 | @param[in] AlwaysAllowNumbers Will never fail for number based flags.\r |
| | 739 | \r |
| | 740 | @retval EFI_SUCCESS The operation completed sucessfully.\r |
| | 741 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r |
| | 742 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r |
| | 743 | @retval EFI_VOLUME_CORRUPTED The command line was corrupt.\r |
| | 744 | @retval EFI_DEVICE_ERROR The commands contained 2 opposing arguments. One\r |
| | 745 | of the command line arguments was returned in\r |
| | 746 | ProblemParam if provided.\r |
| | 747 | @retval EFI_NOT_FOUND A argument required a value that was missing.\r |
| | 748 | The invalid command line argument was returned in\r |
| | 749 | ProblemParam if provided.\r |
| | 750 | **/\r |
| | 751 | EFI_STATUS\r |
| | 752 | EFIAPI\r |
| | 753 | ShellCommandLineParseEx (\r |
| | 754 | IN CONST SHELL_PARAM_ITEM *CheckList,\r |
| | 755 | OUT LIST_ENTRY **CheckPackage,\r |
| | 756 | OUT CHAR16 **ProblemParam OPTIONAL,\r |
| | 757 | IN BOOLEAN AutoPageBreak,\r |
| | 758 | IN BOOLEAN AlwaysAllowNumbers\r |
| | 759 | );\r |
| | 760 | \r |
| | 761 | /// Make it easy to upgrade from older versions of the shell library.\r |
| | 762 | #define ShellCommandLineParse(CheckList,CheckPackage,ProblemParam,AutoPageBreak) ShellCommandLineParseEx(CheckList,CheckPackage,ProblemParam,AutoPageBreak,FALSE)\r |
| | 763 | \r |
| | 764 | /**\r |
| | 765 | Frees shell variable list that was returned from ShellCommandLineParse.\r |
| | 766 | \r |
| | 767 | This function will free all the memory that was used for the CheckPackage\r |
| | 768 | list of postprocessed shell arguments.\r |
| | 769 | \r |
| | 770 | If CheckPackage is NULL, then return.\r |
| | 771 | \r |
| | 772 | @param[in] CheckPackage The list to de-allocate.\r |
| | 773 | **/\r |
| | 774 | VOID\r |
| | 775 | EFIAPI\r |
| | 776 | ShellCommandLineFreeVarList (\r |
| | 777 | IN LIST_ENTRY *CheckPackage\r |
| | 778 | );\r |
| | 779 | \r |
| | 780 | /**\r |
| | 781 | Checks for presence of a flag parameter.\r |
| | 782 | \r |
| | 783 | Flag arguments are in the form of "-<Key>" or "/<Key>", but do not have a value following the key.\r |
| | 784 | \r |
| | 785 | If CheckPackage is NULL then return FALSE.\r |
| | 786 | If KeyString is NULL then ASSERT().\r |
| | 787 | \r |
| | 788 | @param[in] CheckPackage The package of parsed command line arguments.\r |
| | 789 | @param[in] KeyString The Key of the command line argument to check for.\r |
| | 790 | \r |
| | 791 | @retval TRUE The flag is on the command line.\r |
| | 792 | @retval FALSE The flag is not on the command line.\r |
| | 793 | **/\r |
| | 794 | BOOLEAN\r |
| | 795 | EFIAPI\r |
| | 796 | ShellCommandLineGetFlag (\r |
| | 797 | IN CONST LIST_ENTRY * CONST CheckPackage,\r |
| | 798 | IN CONST CHAR16 * CONST KeyString\r |
| | 799 | );\r |
| | 800 | \r |
| | 801 | /**\r |
| | 802 | Returns value from command line argument.\r |
| | 803 | \r |
| | 804 | Value parameters are in the form of "-<Key> value" or "/<Key> value".\r |
| | 805 | \r |
| | 806 | If CheckPackage is NULL, then return NULL.\r |
| | 807 | \r |
| | 808 | @param[in] CheckPackage The package of parsed command line arguments.\r |
| | 809 | @param[in] KeyString The Key of the command line argument to check for.\r |
| | 810 | \r |
| | 811 | @retval NULL The flag is not on the command line.\r |
| | 812 | @retval !=NULL The pointer to unicode string of the value.\r |
| | 813 | **/\r |
| | 814 | CONST CHAR16*\r |
| | 815 | EFIAPI\r |
| | 816 | ShellCommandLineGetValue (\r |
| | 817 | IN CONST LIST_ENTRY *CheckPackage,\r |
| | 818 | IN CHAR16 *KeyString\r |
| | 819 | );\r |
| | 820 | \r |
| | 821 | /**\r |
| | 822 | Returns raw value from command line argument.\r |
| | 823 | \r |
| | 824 | Raw value parameters are in the form of "value" in a specific position in the list.\r |
| | 825 | \r |
| | 826 | If CheckPackage is NULL, then return NULL.\r |
| | 827 | \r |
| | 828 | @param[in] CheckPackage The package of parsed command line arguments.\r |
| | 829 | @param[in] Position The position of the value.\r |
| | 830 | \r |
| | 831 | @retval NULL The flag is not on the command line.\r |
| | 832 | @retval !=NULL The pointer to unicode string of the value.\r |
| | 833 | **/\r |
| | 834 | CONST CHAR16*\r |
| | 835 | EFIAPI\r |
| | 836 | ShellCommandLineGetRawValue (\r |
| | 837 | IN CONST LIST_ENTRY * CONST CheckPackage,\r |
| | 838 | IN UINTN Position\r |
| | 839 | );\r |
| | 840 | \r |
| | 841 | /**\r |
| | 842 | Returns the number of command line value parameters that were parsed.\r |
| | 843 | \r |
| | 844 | This will not include flags.\r |
| | 845 | \r |
| | 846 | @param[in] CheckPackage The package of parsed command line arguments.\r |
| | 847 | \r |
| | 848 | @retval (UINTN)-1 No parsing has occurred.\r |
| | 849 | @retval other The number of value parameters found.\r |
| | 850 | **/\r |
| | 851 | UINTN\r |
| | 852 | EFIAPI\r |
| | 853 | ShellCommandLineGetCount(\r |
| | 854 | IN CONST LIST_ENTRY *CheckPackage\r |
| | 855 | );\r |
| | 856 | \r |
| | 857 | /**\r |
| | 858 | Determines if a parameter is duplicated.\r |
| | 859 | \r |
| | 860 | If Param is not NULL, then it will point to a callee-allocated string buffer\r |
| | 861 | with the parameter value, if a duplicate is found.\r |
| | 862 | \r |
| | 863 | If CheckPackage is NULL, then ASSERT.\r |
| | 864 | \r |
| | 865 | @param[in] CheckPackage The package of parsed command line arguments.\r |
| | 866 | @param[out] Param Upon finding one, a pointer to the duplicated parameter.\r |
| | 867 | \r |
| | 868 | @retval EFI_SUCCESS No parameters were duplicated.\r |
| | 869 | @retval EFI_DEVICE_ERROR A duplicate was found.\r |
| | 870 | **/\r |
| | 871 | EFI_STATUS\r |
| | 872 | EFIAPI\r |
| | 873 | ShellCommandLineCheckDuplicate (\r |
| | 874 | IN CONST LIST_ENTRY *CheckPackage,\r |
| | 875 | OUT CHAR16 **Param\r |
| | 876 | );\r |
| | 877 | \r |
| | 878 | /**\r |
| | 879 | This function causes the shell library to initialize itself. If the shell library\r |
| | 880 | is already initialized it will de-initialize all the current protocol pointers and\r |
| | 881 | re-populate them again.\r |
| | 882 | \r |
| | 883 | When the library is used with PcdShellLibAutoInitialize set to true this function\r |
| | 884 | will return EFI_SUCCESS and perform no actions.\r |
| | 885 | \r |
| | 886 | This function is intended for internal access for shell commands only.\r |
| | 887 | \r |
| | 888 | @retval EFI_SUCCESS The initialization was complete sucessfully.\r |
| | 889 | \r |
| | 890 | **/\r |
| | 891 | EFI_STATUS\r |
| | 892 | EFIAPI\r |
| | 893 | ShellInitialize (\r |
| | 894 | VOID\r |
| | 895 | );\r |
| | 896 | \r |
| | 897 | /**\r |
| | 898 | Print at a specific location on the screen.\r |
| | 899 | \r |
| | 900 | This function will move the cursor to a given screen location and print the specified string.\r |
| | 901 | \r |
| | 902 | If -1 is specified for either the Row or Col the current screen location for BOTH\r |
| | 903 | will be used.\r |
| | 904 | \r |
| | 905 | If either Row or Col is out of range for the current console, then ASSERT.\r |
| | 906 | If Format is NULL, then ASSERT.\r |
| | 907 | \r |
| | 908 | In addition to the standard %-based flags as supported by UefiLib Print() this supports\r |
| | 909 | the following additional flags:\r |
| | 910 | %N - Set output attribute to normal\r |
| | 911 | %H - Set output attribute to highlight\r |
| | 912 | %E - Set output attribute to error\r |
| | 913 | %B - Set output attribute to blue color\r |
| | 914 | %V - Set output attribute to green color\r |
| | 915 | \r |
| | 916 | Note: The background color is controlled by the shell command cls.\r |
| | 917 | \r |
| | 918 | @param[in] Col The column to print at.\r |
| | 919 | @param[in] Row The row to print at.\r |
| | 920 | @param[in] Format The format string.\r |
| | 921 | @param[in] ... The variable argument list.\r |
| | 922 | \r |
| | 923 | @return EFI_SUCCESS The printing was successful.\r |
| | 924 | @return EFI_DEVICE_ERROR The console device reported an error.\r |
| | 925 | **/\r |
| | 926 | EFI_STATUS\r |
| | 927 | EFIAPI\r |
| | 928 | ShellPrintEx(\r |
| | 929 | IN INT32 Col OPTIONAL,\r |
| | 930 | IN INT32 Row OPTIONAL,\r |
| | 931 | IN CONST CHAR16 *Format,\r |
| | 932 | ...\r |
| | 933 | );\r |
| | 934 | \r |
| | 935 | /**\r |
| | 936 | Print at a specific location on the screen.\r |
| | 937 | \r |
| | 938 | This function will move the cursor to a given screen location and print the specified string.\r |
| | 939 | \r |
| | 940 | If -1 is specified for either the Row or Col the current screen location for BOTH\r |
| | 941 | will be used.\r |
| | 942 | \r |
| | 943 | If either Row or Col is out of range for the current console, then ASSERT.\r |
| | 944 | If Format is NULL, then ASSERT.\r |
| | 945 | \r |
| | 946 | In addition to the standard %-based flags as supported by UefiLib Print() this supports\r |
| | 947 | the following additional flags:\r |
| | 948 | %N - Set output attribute to normal.\r |
| | 949 | %H - Set output attribute to highlight.\r |
| | 950 | %E - Set output attribute to error.\r |
| | 951 | %B - Set output attribute to blue color.\r |
| | 952 | %V - Set output attribute to green color.\r |
| | 953 | \r |
| | 954 | Note: The background color is controlled by the shell command cls.\r |
| | 955 | \r |
| | 956 | @param[in] Col The column to print at.\r |
| | 957 | @param[in] Row The row to print at.\r |
| | 958 | @param[in] Language The language of the string to retrieve. If this parameter\r |
| | 959 | is NULL, then the current platform language is used.\r |
| | 960 | @param[in] HiiFormatStringId The format string Id for getting from Hii.\r |
| | 961 | @param[in] HiiFormatHandle The format string Handle for getting from Hii.\r |
| | 962 | @param[in] ... The variable argument list.\r |
| | 963 | \r |
| | 964 | @return EFI_SUCCESS The printing was successful.\r |
| | 965 | @return EFI_DEVICE_ERROR The console device reported an error.\r |
| | 966 | **/\r |
| | 967 | EFI_STATUS\r |
| | 968 | EFIAPI\r |
| | 969 | ShellPrintHiiEx(\r |
| | 970 | IN INT32 Col OPTIONAL,\r |
| | 971 | IN INT32 Row OPTIONAL,\r |
| | 972 | IN CONST CHAR8 *Language OPTIONAL,\r |
| | 973 | IN CONST EFI_STRING_ID HiiFormatStringId,\r |
| | 974 | IN CONST EFI_HANDLE HiiFormatHandle,\r |
| | 975 | ...\r |
| | 976 | );\r |
| | 977 | \r |
| | 978 | /**\r |
| | 979 | Function to determine if a given filename represents a directory.\r |
| | 980 | \r |
| | 981 | If DirName is NULL, then ASSERT.\r |
| | 982 | \r |
| | 983 | @param[in] DirName Path to directory to test.\r |
| | 984 | \r |
| | 985 | @retval EFI_SUCCESS The Path represents a directory.\r |
| | 986 | @retval EFI_NOT_FOUND The Path does not represent a directory.\r |
| | 987 | @retval other The path failed to open.\r |
| | 988 | **/\r |
| | 989 | EFI_STATUS\r |
| | 990 | EFIAPI\r |
| | 991 | ShellIsDirectory(\r |
| | 992 | IN CONST CHAR16 *DirName\r |
| | 993 | );\r |
| | 994 | \r |
| | 995 | /**\r |
| | 996 | Function to determine if a given filename represents a file.\r |
| | 997 | \r |
| | 998 | This will search the CWD only.\r |
| | 999 | \r |
| | 1000 | If Name is NULL, then ASSERT.\r |
| | 1001 | \r |
| | 1002 | @param[in] Name Path to file to test.\r |
| | 1003 | \r |
| | 1004 | @retval EFI_SUCCESS The Path represents a file.\r |
| | 1005 | @retval EFI_NOT_FOUND The Path does not represent a file.\r |
| | 1006 | @retval other The path failed to open.\r |
| | 1007 | **/\r |
| | 1008 | EFI_STATUS\r |
| | 1009 | EFIAPI\r |
| | 1010 | ShellIsFile(\r |
| | 1011 | IN CONST CHAR16 *Name\r |
| | 1012 | );\r |
| | 1013 | \r |
| | 1014 | /**\r |
| | 1015 | Function to determine if a given filename represents a file.\r |
| | 1016 | \r |
| | 1017 | This will search the CWD and then the Path.\r |
| | 1018 | \r |
| | 1019 | If Name is NULL, then ASSERT.\r |
| | 1020 | \r |
| | 1021 | @param[in] Name Path to file to test.\r |
| | 1022 | \r |
| | 1023 | @retval EFI_SUCCESS The Path represents a file.\r |
| | 1024 | @retval EFI_NOT_FOUND The Path does not represent a file.\r |
| | 1025 | @retval other The path failed to open.\r |
| | 1026 | **/\r |
| | 1027 | EFI_STATUS\r |
| | 1028 | EFIAPI\r |
| | 1029 | ShellIsFileInPath(\r |
| | 1030 | IN CONST CHAR16 *Name\r |
| | 1031 | );\r |
| | 1032 | \r |
| | 1033 | /**\r |
| | 1034 | Function to determine whether a string is decimal or hex representation of a number\r |
| | 1035 | and return the number converted from the string.\r |
| | 1036 | \r |
| | 1037 | Note: this function cannot be used when (UINTN)(-1), (0xFFFFFFFF) may be a valid\r |
| | 1038 | result. Use ShellConvertStringToUint64 instead.\r |
| | 1039 | \r |
| | 1040 | @param[in] String String representation of a number.\r |
| | 1041 | \r |
| | 1042 | @return The unsigned integer result of the conversion.\r |
| | 1043 | @retval (UINTN)(-1) An error occured.\r |
| | 1044 | **/\r |
| | 1045 | UINTN\r |
| | 1046 | EFIAPI\r |
| | 1047 | ShellStrToUintn(\r |
| | 1048 | IN CONST CHAR16 *String\r |
| | 1049 | );\r |
| | 1050 | \r |
| | 1051 | /**\r |
| | 1052 | Function return the number converted from a hex representation of a number.\r |
| | 1053 | \r |
| | 1054 | Note: this function cannot be used when (UINTN)(-1), (0xFFFFFFFF) may be a valid\r |
| | 1055 | result. Use ShellConvertStringToUint64 instead.\r |
| | 1056 | \r |
| | 1057 | @param[in] String String representation of a number.\r |
| | 1058 | \r |
| | 1059 | @return The unsigned integer result of the conversion.\r |
| | 1060 | @retval (UINTN)(-1) An error occured.\r |
| | 1061 | **/\r |
| | 1062 | UINTN\r |
| | 1063 | EFIAPI\r |
| | 1064 | ShellHexStrToUintn(\r |
| | 1065 | IN CONST CHAR16 *String\r |
| | 1066 | );\r |
| | 1067 | \r |
| | 1068 | /**\r |
| | 1069 | Safely append with automatic string resizing given length of Destination and\r |
| | 1070 | desired length of copy from Source.\r |
| | 1071 | \r |
| | 1072 | Append the first D characters of Source to the end of Destination, where D is\r |
| | 1073 | the lesser of Count and the StrLen() of Source. If appending those D characters\r |
| | 1074 | will fit within Destination (whose Size is given as CurrentSize) and\r |
| | 1075 | still leave room for a NULL terminator, then those characters are appended,\r |
| | 1076 | starting at the original terminating NULL of Destination, and a new terminating\r |
| | 1077 | NULL is appended.\r |
| | 1078 | \r |
| | 1079 | If appending D characters onto Destination will result in a overflow of the size\r |
| | 1080 | given in CurrentSize the string will be grown such that the copy can be performed\r |
| | 1081 | and CurrentSize will be updated to the new size.\r |
| | 1082 | \r |
| | 1083 | If Source is NULL, there is nothing to append, so return the current buffer in\r |
| | 1084 | Destination.\r |
| | 1085 | \r |
| | 1086 | If Destination is NULL, then ASSERT().\r |
| | 1087 | If Destination's current length (including NULL terminator) is already more than\r |
| | 1088 | CurrentSize, then ASSERT().\r |
| | 1089 | \r |
| | 1090 | @param[in, out] Destination The String to append onto.\r |
| | 1091 | @param[in, out] CurrentSize On call, the number of bytes in Destination. On\r |
| | 1092 | return, possibly the new size (still in bytes). If NULL,\r |
| | 1093 | then allocate whatever is needed.\r |
| | 1094 | @param[in] Source The String to append from.\r |
| | 1095 | @param[in] Count The maximum number of characters to append. If 0, then\r |
| | 1096 | all are appended.\r |
| | 1097 | \r |
| | 1098 | @return The Destination after appending the Source.\r |
| | 1099 | **/\r |
| | 1100 | CHAR16*\r |
| | 1101 | EFIAPI\r |
| | 1102 | StrnCatGrow (\r |
| | 1103 | IN OUT CHAR16 **Destination,\r |
| | 1104 | IN OUT UINTN *CurrentSize,\r |
| | 1105 | IN CONST CHAR16 *Source,\r |
| | 1106 | IN UINTN Count\r |
| | 1107 | );\r |
| | 1108 | \r |
| | 1109 | /**\r |
| | 1110 | This is a find and replace function. Upon successful return the NewString is a copy of\r |
| | 1111 | SourceString with each instance of FindTarget replaced with ReplaceWith.\r |
| | 1112 | \r |
| | 1113 | If SourceString and NewString overlap the behavior is undefined.\r |
| | 1114 | \r |
| | 1115 | If the string would grow bigger than NewSize it will halt and return error.\r |
| | 1116 | \r |
| | 1117 | @param[in] SourceString The string with source buffer.\r |
| | 1118 | @param[in, out] NewString The string with resultant buffer.\r |
| | 1119 | @param[in] NewSize The size in bytes of NewString.\r |
| | 1120 | @param[in] FindTarget The string to look for.\r |
| | 1121 | @param[in] ReplaceWith The string to replace FindTarget with.\r |
| | 1122 | @param[in] SkipPreCarrot If TRUE will skip a FindTarget that has a '^'\r |
| | 1123 | immediately before it.\r |
| | 1124 | @param[in] ParameterReplacing If TRUE will add "" around items with spaces.\r |
| | 1125 | \r |
| | 1126 | @retval EFI_INVALID_PARAMETER SourceString was NULL.\r |
| | 1127 | @retval EFI_INVALID_PARAMETER NewString was NULL.\r |
| | 1128 | @retval EFI_INVALID_PARAMETER FindTarget was NULL.\r |
| | 1129 | @retval EFI_INVALID_PARAMETER ReplaceWith was NULL.\r |
| | 1130 | @retval EFI_INVALID_PARAMETER FindTarget had length < 1.\r |
| | 1131 | @retval EFI_INVALID_PARAMETER SourceString had length < 1.\r |
| | 1132 | @retval EFI_BUFFER_TOO_SMALL NewSize was less than the minimum size to hold\r |
| | 1133 | the new string (truncation occurred).\r |
| | 1134 | @retval EFI_SUCCESS The string was successfully copied with replacement.\r |
| | 1135 | **/\r |
| | 1136 | EFI_STATUS\r |
| | 1137 | EFIAPI\r |
| | 1138 | ShellCopySearchAndReplace(\r |
| | 1139 | IN CHAR16 CONST *SourceString,\r |
| | 1140 | IN OUT CHAR16 *NewString,\r |
| | 1141 | IN UINTN NewSize,\r |
| | 1142 | IN CONST CHAR16 *FindTarget,\r |
| | 1143 | IN CONST CHAR16 *ReplaceWith,\r |
| | 1144 | IN CONST BOOLEAN SkipPreCarrot,\r |
| | 1145 | IN CONST BOOLEAN ParameterReplacing\r |
| | 1146 | );\r |
| | 1147 | \r |
| | 1148 | /**\r |
| | 1149 | Check if a Unicode character is a hexadecimal character.\r |
| | 1150 | \r |
| | 1151 | This internal function checks if a Unicode character is a\r |
| | 1152 | numeric character. The valid hexadecimal characters are\r |
| | 1153 | L'0' to L'9', L'a' to L'f', or L'A' to L'F'.\r |
| | 1154 | \r |
| | 1155 | \r |
| | 1156 | @param Char The character to check against.\r |
| | 1157 | \r |
| | 1158 | @retval TRUE The Char is a hexadecmial character.\r |
| | 1159 | @retval FALSE The Char is not a hexadecmial character.\r |
| | 1160 | \r |
| | 1161 | **/\r |
| | 1162 | BOOLEAN\r |
| | 1163 | EFIAPI\r |
| | 1164 | ShellIsHexaDecimalDigitCharacter (\r |
| | 1165 | IN CHAR16 Char\r |
| | 1166 | );\r |
| | 1167 | \r |
| | 1168 | /**\r |
| | 1169 | Check if a Unicode character is a decimal character.\r |
| | 1170 | \r |
| | 1171 | This internal function checks if a Unicode character is a\r |
| | 1172 | decimal character. The valid characters are\r |
| | 1173 | L'0' to L'9'.\r |
| | 1174 | \r |
| | 1175 | \r |
| | 1176 | @param Char The character to check against.\r |
| | 1177 | \r |
| | 1178 | @retval TRUE The Char is a hexadecmial character.\r |
| | 1179 | @retval FALSE The Char is not a hexadecmial character.\r |
| | 1180 | \r |
| | 1181 | **/\r |
| | 1182 | BOOLEAN\r |
| | 1183 | EFIAPI\r |
| | 1184 | ShellIsDecimalDigitCharacter (\r |
| | 1185 | IN CHAR16 Char\r |
| | 1186 | );\r |
| | 1187 | \r |
| | 1188 | ///\r |
| | 1189 | /// What type of answer is requested.\r |
| | 1190 | ///\r |
| | 1191 | typedef enum {\r |
| | 1192 | ShellPromptResponseTypeYesNo,\r |
| | 1193 | ShellPromptResponseTypeYesNoCancel,\r |
| | 1194 | ShellPromptResponseTypeFreeform,\r |
| | 1195 | ShellPromptResponseTypeQuitContinue,\r |
| | 1196 | ShellPromptResponseTypeYesNoAllCancel,\r |
| | 1197 | ShellPromptResponseTypeEnterContinue,\r |
| | 1198 | ShellPromptResponseTypeAnyKeyContinue,\r |
| | 1199 | ShellPromptResponseTypeMax\r |
| | 1200 | } SHELL_PROMPT_REQUEST_TYPE;\r |
| | 1201 | \r |
| | 1202 | ///\r |
| | 1203 | /// What answer was given.\r |
| | 1204 | ///\r |
| | 1205 | typedef enum {\r |
| | 1206 | ShellPromptResponseYes,\r |
| | 1207 | ShellPromptResponseNo,\r |
| | 1208 | ShellPromptResponseCancel,\r |
| | 1209 | ShellPromptResponseQuit,\r |
| | 1210 | ShellPromptResponseContinue,\r |
| | 1211 | ShellPromptResponseAll,\r |
| | 1212 | ShellPromptResponseMax\r |
| | 1213 | } SHELL_PROMPT_RESPONSE;\r |
| | 1214 | \r |
| | 1215 | /**\r |
| | 1216 | Prompt the user and return the resultant answer to the requestor.\r |
| | 1217 | \r |
| | 1218 | This function will display the requested question on the shell prompt and then\r |
| | 1219 | wait for an appropriate answer to be input from the console.\r |
| | 1220 | \r |
| | 1221 | If the SHELL_PROMPT_REQUEST_TYPE is SHELL_PROMPT_REQUEST_TYPE_YESNO, ShellPromptResponseTypeQuitContinue\r |
| | 1222 | or SHELL_PROMPT_REQUEST_TYPE_YESNOCANCEL then *Response is of type SHELL_PROMPT_RESPONSE.\r |
| | 1223 | \r |
| | 1224 | If the SHELL_PROMPT_REQUEST_TYPE is ShellPromptResponseTypeFreeform then *Response is of type\r |
| | 1225 | CHAR16*.\r |
| | 1226 | \r |
| | 1227 | In either case *Response must be callee freed if Response was not NULL;\r |
| | 1228 | \r |
| | 1229 | @param Type What type of question is asked. This is used to filter the input\r |
| | 1230 | to prevent invalid answers to question.\r |
| | 1231 | @param Prompt The pointer to a string prompt used to request input.\r |
| | 1232 | @param Response The pointer to Response, which will be populated upon return.\r |
| | 1233 | \r |
| | 1234 | @retval EFI_SUCCESS The operation was successful.\r |
| | 1235 | @retval EFI_UNSUPPORTED The operation is not supported as requested.\r |
| | 1236 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r |
| | 1237 | @return other The operation failed.\r |
| | 1238 | **/\r |
| | 1239 | EFI_STATUS\r |
| | 1240 | EFIAPI\r |
| | 1241 | ShellPromptForResponse (\r |
| | 1242 | IN SHELL_PROMPT_REQUEST_TYPE Type,\r |
| | 1243 | IN CHAR16 *Prompt OPTIONAL,\r |
| | 1244 | IN OUT VOID **Response OPTIONAL\r |
| | 1245 | );\r |
| | 1246 | \r |
| | 1247 | /**\r |
| | 1248 | Prompt the user and return the resultant answer to the requestor.\r |
| | 1249 | \r |
| | 1250 | This function is the same as ShellPromptForResponse, except that the prompt is\r |
| | 1251 | automatically pulled from HII.\r |
| | 1252 | \r |
| | 1253 | @param[in] Type What type of question is asked. This is used to filter the input\r |
| | 1254 | to prevent invalid answers to question.\r |
| | 1255 | @param[in] HiiFormatStringId The format string Id for getting from Hii.\r |
| | 1256 | @param[in] HiiFormatHandle The format string Handle for getting from Hii.\r |
| | 1257 | @param[in, out] Response The pointer to Response, which will be populated upon return.\r |
| | 1258 | \r |
| | 1259 | @retval EFI_SUCCESS The operation was sucessful.\r |
| | 1260 | @return other The operation failed.\r |
| | 1261 | \r |
| | 1262 | @sa ShellPromptForResponse\r |
| | 1263 | **/\r |
| | 1264 | EFI_STATUS\r |
| | 1265 | EFIAPI\r |
| | 1266 | ShellPromptForResponseHii (\r |
| | 1267 | IN SHELL_PROMPT_REQUEST_TYPE Type,\r |
| | 1268 | IN CONST EFI_STRING_ID HiiFormatStringId,\r |
| | 1269 | IN CONST EFI_HANDLE HiiFormatHandle,\r |
| | 1270 | IN OUT VOID **Response\r |
| | 1271 | );\r |
| | 1272 | \r |
| | 1273 | /**\r |
| | 1274 | Function to determin if an entire string is a valid number.\r |
| | 1275 | \r |
| | 1276 | If Hex it must be preceeded with a 0x, 0X, or has ForceHex set TRUE.\r |
| | 1277 | \r |
| | 1278 | @param[in] String The string to evaluate.\r |
| | 1279 | @param[in] ForceHex TRUE - always assume hex.\r |
| | 1280 | @param[in] StopAtSpace TRUE to halt upon finding a space, FALSE to keep going.\r |
| | 1281 | \r |
| | 1282 | @retval TRUE It is all numeric (dec/hex) characters.\r |
| | 1283 | @retval FALSE There is a non-numeric character.\r |
| | 1284 | **/\r |
| | 1285 | BOOLEAN\r |
| | 1286 | EFIAPI\r |
| | 1287 | ShellIsHexOrDecimalNumber (\r |
| | 1288 | IN CONST CHAR16 *String,\r |
| | 1289 | IN CONST BOOLEAN ForceHex,\r |
| | 1290 | IN CONST BOOLEAN StopAtSpace\r |
| | 1291 | );\r |
| | 1292 | \r |
| | 1293 | /**\r |
| | 1294 | Function to verify and convert a string to its numerical 64 bit representation.\r |
| | 1295 | \r |
| | 1296 | If Hex it must be preceeded with a 0x, 0X, or has ForceHex set TRUE.\r |
| | 1297 | \r |
| | 1298 | @param[in] String The string to evaluate.\r |
| | 1299 | @param[out] Value Upon a successful return the value of the conversion.\r |
| | 1300 | @param[in] ForceHex TRUE - always assume hex.\r |
| | 1301 | @param[in] StopAtSpace TRUE to halt upon finding a space, FALSE to\r |
| | 1302 | process the entire String.\r |
| | 1303 | \r |
| | 1304 | @retval EFI_SUCCESS The conversion was successful.\r |
| | 1305 | @retval EFI_INVALID_PARAMETER String contained an invalid character.\r |
| | 1306 | @retval EFI_NOT_FOUND String was a number, but Value was NULL.\r |
| | 1307 | **/\r |
| | 1308 | EFI_STATUS\r |
| | 1309 | EFIAPI\r |
| | 1310 | ShellConvertStringToUint64(\r |
| | 1311 | IN CONST CHAR16 *String,\r |
| | 1312 | OUT UINT64 *Value,\r |
| | 1313 | IN CONST BOOLEAN ForceHex,\r |
| | 1314 | IN CONST BOOLEAN StopAtSpace\r |
| | 1315 | );\r |
| | 1316 | \r |
| | 1317 | /**\r |
| | 1318 | Function to determine if a given filename exists.\r |
| | 1319 | \r |
| | 1320 | @param[in] Name Path to test.\r |
| | 1321 | \r |
| | 1322 | @retval EFI_SUCCESS The Path represents a file.\r |
| | 1323 | @retval EFI_NOT_FOUND The Path does not represent a file.\r |
| | 1324 | @retval other The path failed to open.\r |
| | 1325 | **/\r |
| | 1326 | EFI_STATUS\r |
| | 1327 | EFIAPI\r |
| | 1328 | ShellFileExists(\r |
| | 1329 | IN CONST CHAR16 *Name\r |
| | 1330 | );\r |
| | 1331 | \r |
| | 1332 | /**\r |
| | 1333 | Function to read a single line from a SHELL_FILE_HANDLE. The \n is not included in the returned\r |
| | 1334 | buffer. The returned buffer must be callee freed.\r |
| | 1335 | \r |
| | 1336 | If the position upon start is 0, then the Ascii Boolean will be set. This should be\r |
| | 1337 | maintained and not changed for all operations with the same file.\r |
| | 1338 | \r |
| | 1339 | @param[in] Handle SHELL_FILE_HANDLE to read from.\r |
| | 1340 | @param[in, out] Ascii Boolean value for indicating whether the file is\r |
| | 1341 | Ascii (TRUE) or UCS2 (FALSE).\r |
| | 1342 | \r |
| | 1343 | @return The line of text from the file.\r |
| | 1344 | \r |
| | 1345 | @sa ShellFileHandleReadLine\r |
| | 1346 | **/\r |
| | 1347 | CHAR16*\r |
| | 1348 | EFIAPI\r |
| | 1349 | ShellFileHandleReturnLine(\r |
| | 1350 | IN SHELL_FILE_HANDLE Handle,\r |
| | 1351 | IN OUT BOOLEAN *Ascii\r |
| | 1352 | );\r |
| | 1353 | \r |
| | 1354 | /**\r |
| | 1355 | Function to read a single line (up to but not including the \n) from a SHELL_FILE_HANDLE.\r |
| | 1356 | \r |
| | 1357 | If the position upon start is 0, then the Ascii Boolean will be set. This should be\r |
| | 1358 | maintained and not changed for all operations with the same file.\r |
| | 1359 | \r |
| | 1360 | @param[in] Handle SHELL_FILE_HANDLE to read from.\r |
| | 1361 | @param[in, out] Buffer The pointer to buffer to read into.\r |
| | 1362 | @param[in, out] Size The pointer to number of bytes in Buffer.\r |
| | 1363 | @param[in] Truncate If the buffer is large enough, this has no effect.\r |
| | 1364 | If the buffer is is too small and Truncate is TRUE,\r |
| | 1365 | the line will be truncated.\r |
| | 1366 | If the buffer is is too small and Truncate is FALSE,\r |
| | 1367 | then no read will occur.\r |
| | 1368 | \r |
| | 1369 | @param[in, out] Ascii Boolean value for indicating whether the file is\r |
| | 1370 | Ascii (TRUE) or UCS2 (FALSE).\r |
| | 1371 | \r |
| | 1372 | @retval EFI_SUCCESS The operation was successful. The line is stored in\r |
| | 1373 | Buffer.\r |
| | 1374 | @retval EFI_END_OF_FILE There are no more lines in the file.\r |
| | 1375 | @retval EFI_INVALID_PARAMETER Handle was NULL.\r |
| | 1376 | @retval EFI_INVALID_PARAMETER Size was NULL.\r |
| | 1377 | @retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line.\r |
| | 1378 | Size was updated to the minimum space required.\r |
| | 1379 | **/\r |
| | 1380 | EFI_STATUS\r |
| | 1381 | EFIAPI\r |
| | 1382 | ShellFileHandleReadLine(\r |
| | 1383 | IN SHELL_FILE_HANDLE Handle,\r |
| | 1384 | IN OUT CHAR16 *Buffer,\r |
| | 1385 | IN OUT UINTN *Size,\r |
| | 1386 | IN BOOLEAN Truncate,\r |
| | 1387 | IN OUT BOOLEAN *Ascii\r |
| | 1388 | );\r |
| | 1389 | \r |
| | 1390 | /**\r |
| | 1391 | Function to delete a file by name\r |
| | 1392 | \r |
| | 1393 | @param[in] FileName Pointer to file name to delete.\r |
| | 1394 | \r |
| | 1395 | @retval EFI_SUCCESS the file was deleted sucessfully\r |
| | 1396 | @retval EFI_WARN_DELETE_FAILURE the handle was closed, but the file was not\r |
| | 1397 | deleted\r |
| | 1398 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r |
| | 1399 | @retval EFI_NOT_FOUND The specified file could not be found on the\r |
| | 1400 | device or the file system could not be found\r |
| | 1401 | on the device.\r |
| | 1402 | @retval EFI_NO_MEDIA The device has no medium.\r |
| | 1403 | @retval EFI_MEDIA_CHANGED The device has a different medium in it or the\r |
| | 1404 | medium is no longer supported.\r |
| | 1405 | @retval EFI_DEVICE_ERROR The device reported an error.\r |
| | 1406 | @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.\r |
| | 1407 | @retval EFI_WRITE_PROTECTED The file or medium is write protected.\r |
| | 1408 | @retval EFI_ACCESS_DENIED The file was opened read only.\r |
| | 1409 | @retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the\r |
| | 1410 | file.\r |
| | 1411 | @retval other The file failed to open\r |
| | 1412 | **/\r |
| | 1413 | EFI_STATUS\r |
| | 1414 | EFIAPI\r |
| | 1415 | ShellDeleteFileByName(\r |
| | 1416 | IN CONST CHAR16 *FileName\r |
| | 1417 | );\r |
| | 1418 | \r |
| | 1419 | /**\r |
| | 1420 | Function to print help file / man page content in the spec from the UEFI Shell protocol GetHelpText function.\r |
| | 1421 | \r |
| | 1422 | @param[in] CommandToGetHelpOn Pointer to a string containing the command name of help file to be printed.\r |
| | 1423 | @param[in] SectionToGetHelpOn Pointer to the section specifier(s).\r |
| | 1424 | @param[in] PrintCommandText If TRUE, prints the command followed by the help content, otherwise prints\r |
| | 1425 | the help content only.\r |
| | 1426 | @retval EFI_DEVICE_ERROR The help data format was incorrect.\r |
| | 1427 | @retval EFI_NOT_FOUND The help data could not be found.\r |
| | 1428 | @retval EFI_SUCCESS The operation was successful.\r |
| | 1429 | **/\r |
| | 1430 | EFI_STATUS\r |
| | 1431 | EFIAPI\r |
| | 1432 | ShellPrintHelp (\r |
| | 1433 | IN CONST CHAR16 *CommandToGetHelpOn,\r |
| | 1434 | IN CONST CHAR16 *SectionToGetHelpOn,\r |
| | 1435 | IN BOOLEAN PrintCommandText\r |
| | 1436 | );\r |
| | 1437 | \r |
| | 1438 | #endif // __SHELL_LIB__\r |
projects / mirror_edk2.git / blame_incremental