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632820d1 | 1 | /** @file\r |
2 | Implements filebuffer interface functions.\r | |
3 | \r | |
ba0014b9 | 4 | Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved. <BR>\r |
56ba3746 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
632820d1 | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "TextEditor.h"\r | |
10 | #include <Guid/FileSystemInfo.h>\r | |
11 | #include <Library/FileHandleLib.h>\r | |
12 | \r | |
13 | EFI_EDITOR_FILE_BUFFER FileBuffer;\r | |
14 | EFI_EDITOR_FILE_BUFFER FileBufferBackupVar;\r | |
15 | \r | |
16 | //\r | |
17 | // for basic initialization of FileBuffer\r | |
18 | //\r | |
19 | EFI_EDITOR_FILE_BUFFER FileBufferConst = {\r | |
20 | NULL,\r | |
21 | FileTypeUnicode,\r | |
22 | NULL,\r | |
23 | NULL,\r | |
24 | 0,\r | |
25 | {\r | |
26 | 0,\r | |
27 | 0\r | |
28 | },\r | |
29 | {\r | |
30 | 0,\r | |
31 | 0\r | |
32 | },\r | |
33 | {\r | |
34 | 0,\r | |
35 | 0\r | |
36 | },\r | |
37 | {\r | |
38 | 0,\r | |
39 | 0\r | |
40 | },\r | |
41 | FALSE,\r | |
42 | TRUE,\r | |
43 | FALSE,\r | |
44 | NULL\r | |
45 | };\r | |
46 | \r | |
47 | //\r | |
48 | // the whole edit area needs to be refreshed\r | |
49 | //\r | |
47d20b54 | 50 | BOOLEAN FileBufferNeedRefresh;\r |
632820d1 | 51 | \r |
52 | //\r | |
53 | // only the current line in edit area needs to be refresh\r | |
54 | //\r | |
47d20b54 | 55 | BOOLEAN FileBufferOnlyLineNeedRefresh;\r |
632820d1 | 56 | \r |
47d20b54 | 57 | BOOLEAN FileBufferMouseNeedRefresh;\r |
632820d1 | 58 | \r |
47d20b54 | 59 | extern BOOLEAN EditorMouseAction;\r |
632820d1 | 60 | \r |
61 | /**\r | |
62 | Initialization function for FileBuffer.\r | |
63 | \r | |
64 | @param EFI_SUCCESS The initialization was successful.\r | |
65 | @param EFI_LOAD_ERROR A default name could not be created.\r | |
66 | @param EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
67 | **/\r | |
68 | EFI_STATUS\r | |
632820d1 | 69 | FileBufferInit (\r |
70 | VOID\r | |
71 | )\r | |
72 | {\r | |
73 | //\r | |
74 | // basically initialize the FileBuffer\r | |
75 | //\r | |
47d20b54 | 76 | CopyMem (&FileBuffer, &FileBufferConst, sizeof (EFI_EDITOR_FILE_BUFFER));\r |
632820d1 | 77 | CopyMem (&FileBufferBackupVar, &FileBufferConst, sizeof (EFI_EDITOR_FILE_BUFFER));\r |
78 | \r | |
79 | //\r | |
80 | // set default FileName\r | |
81 | //\r | |
82 | FileBuffer.FileName = EditGetDefaultFileName (L"txt");\r | |
83 | if (FileBuffer.FileName == NULL) {\r | |
84 | return EFI_LOAD_ERROR;\r | |
85 | }\r | |
86 | \r | |
87 | FileBuffer.ListHead = AllocateZeroPool (sizeof (LIST_ENTRY));\r | |
88 | if (FileBuffer.ListHead == NULL) {\r | |
89 | return EFI_OUT_OF_RESOURCES;\r | |
90 | }\r | |
91 | \r | |
92 | InitializeListHead (FileBuffer.ListHead);\r | |
93 | \r | |
94 | FileBuffer.DisplayPosition.Row = 2;\r | |
95 | FileBuffer.DisplayPosition.Column = 1;\r | |
96 | FileBuffer.LowVisibleRange.Row = 2;\r | |
97 | FileBuffer.LowVisibleRange.Column = 1;\r | |
98 | \r | |
47d20b54 MK |
99 | FileBufferNeedRefresh = FALSE;\r |
100 | FileBufferMouseNeedRefresh = FALSE;\r | |
101 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
632820d1 | 102 | \r |
103 | return EFI_SUCCESS;\r | |
104 | }\r | |
105 | \r | |
106 | /**\r | |
107 | Backup function for FileBuffer. Only backup the following items:\r | |
108 | Mouse/Cursor position\r | |
109 | File Name, Type, ReadOnly, Modified\r | |
110 | Insert Mode\r | |
111 | \r | |
112 | This is for making the file buffer refresh as few as possible.\r | |
113 | \r | |
114 | @retval EFI_SUCCESS The backup operation was successful.\r | |
115 | **/\r | |
116 | EFI_STATUS\r | |
632820d1 | 117 | FileBufferBackup (\r |
118 | VOID\r | |
119 | )\r | |
120 | {\r | |
121 | FileBufferBackupVar.MousePosition = FileBuffer.MousePosition;\r | |
122 | \r | |
123 | SHELL_FREE_NON_NULL (FileBufferBackupVar.FileName);\r | |
47d20b54 MK |
124 | FileBufferBackupVar.FileName = NULL;\r |
125 | FileBufferBackupVar.FileName = StrnCatGrow (&FileBufferBackupVar.FileName, NULL, FileBuffer.FileName, 0);\r | |
632820d1 | 126 | \r |
47d20b54 MK |
127 | FileBufferBackupVar.ModeInsert = FileBuffer.ModeInsert;\r |
128 | FileBufferBackupVar.FileType = FileBuffer.FileType;\r | |
632820d1 | 129 | \r |
130 | FileBufferBackupVar.FilePosition = FileBuffer.FilePosition;\r | |
131 | FileBufferBackupVar.LowVisibleRange = FileBuffer.LowVisibleRange;\r | |
132 | \r | |
47d20b54 MK |
133 | FileBufferBackupVar.FileModified = FileBuffer.FileModified;\r |
134 | FileBufferBackupVar.ReadOnly = FileBuffer.ReadOnly;\r | |
632820d1 | 135 | \r |
136 | return EFI_SUCCESS;\r | |
137 | }\r | |
138 | \r | |
139 | /**\r | |
140 | Advance to the next Count lines\r | |
ba0014b9 | 141 | \r |
632820d1 | 142 | @param[in] Count The line number to advance by.\r |
143 | @param[in] CurrentLine The pointer to the current line structure.\r | |
144 | @param[in] LineList The pointer to the linked list of lines.\r | |
145 | \r | |
146 | @retval NULL There was an error.\r | |
147 | @return The line structure after the advance.\r | |
148 | **/\r | |
149 | EFI_EDITOR_LINE *\r | |
632820d1 | 150 | InternalEditorMiscLineAdvance (\r |
151 | IN CONST UINTN Count,\r | |
152 | IN CONST EFI_EDITOR_LINE *CurrentLine,\r | |
153 | IN CONST LIST_ENTRY *LineList\r | |
154 | )\r | |
155 | \r | |
156 | {\r | |
47d20b54 MK |
157 | UINTN Index;\r |
158 | CONST EFI_EDITOR_LINE *Line;\r | |
632820d1 | 159 | \r |
47d20b54 | 160 | if ((CurrentLine == NULL) || (LineList == NULL)) {\r |
632820d1 | 161 | return NULL;\r |
162 | }\r | |
163 | \r | |
164 | for (Line = CurrentLine, Index = 0; Index < Count; Index++) {\r | |
165 | //\r | |
166 | // if already last line\r | |
167 | //\r | |
168 | if (Line->Link.ForwardLink == LineList) {\r | |
169 | return NULL;\r | |
170 | }\r | |
171 | \r | |
172 | Line = CR (Line->Link.ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
173 | }\r | |
174 | \r | |
175 | return ((EFI_EDITOR_LINE *)Line);\r | |
176 | }\r | |
177 | \r | |
178 | /**\r | |
179 | Retreat to the previous Count lines.\r | |
ba0014b9 | 180 | \r |
632820d1 | 181 | @param[in] Count The line number to retreat by.\r |
182 | @param[in] CurrentLine The pointer to the current line structure.\r | |
183 | @param[in] LineList The pointer to the linked list of lines.\r | |
184 | \r | |
185 | @retval NULL There was an error.\r | |
186 | @return The line structure after the retreat.\r | |
187 | **/\r | |
188 | EFI_EDITOR_LINE *\r | |
632820d1 | 189 | InternalEditorMiscLineRetreat (\r |
190 | IN CONST UINTN Count,\r | |
191 | IN CONST EFI_EDITOR_LINE *CurrentLine,\r | |
192 | IN CONST LIST_ENTRY *LineList\r | |
193 | )\r | |
194 | \r | |
195 | {\r | |
47d20b54 MK |
196 | UINTN Index;\r |
197 | CONST EFI_EDITOR_LINE *Line;\r | |
632820d1 | 198 | \r |
47d20b54 | 199 | if ((CurrentLine == NULL) || (LineList == NULL)) {\r |
632820d1 | 200 | return NULL;\r |
201 | }\r | |
202 | \r | |
203 | for (Line = CurrentLine, Index = 0; Index < Count; Index++) {\r | |
204 | //\r | |
205 | // already the first line\r | |
206 | //\r | |
207 | if (Line->Link.BackLink == LineList) {\r | |
208 | return NULL;\r | |
209 | }\r | |
210 | \r | |
211 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
212 | }\r | |
213 | \r | |
214 | return ((EFI_EDITOR_LINE *)Line);\r | |
215 | }\r | |
216 | \r | |
217 | /**\r | |
218 | Advance/Retreat lines\r | |
ba0014b9 | 219 | \r |
632820d1 | 220 | @param[in] Count line number to advance/retreat\r |
221 | >0 : advance\r | |
222 | <0 : retreat\r | |
223 | \r | |
a048af3c | 224 | @retval NULL An error occurred.\r |
632820d1 | 225 | @return The line after advance/retreat.\r |
226 | **/\r | |
227 | EFI_EDITOR_LINE *\r | |
228 | MoveLine (\r | |
47d20b54 | 229 | IN CONST INTN Count\r |
632820d1 | 230 | )\r |
231 | {\r | |
47d20b54 MK |
232 | EFI_EDITOR_LINE *Line;\r |
233 | UINTN AbsCount;\r | |
632820d1 | 234 | \r |
235 | //\r | |
236 | // if < 0, then retreat\r | |
237 | // if > 0, the advance\r | |
238 | //\r | |
239 | if (Count <= 0) {\r | |
47d20b54 MK |
240 | AbsCount = (UINTN)ABS (Count);\r |
241 | Line = InternalEditorMiscLineRetreat (AbsCount, MainEditor.FileBuffer->CurrentLine, MainEditor.FileBuffer->ListHead);\r | |
632820d1 | 242 | } else {\r |
47d20b54 | 243 | Line = InternalEditorMiscLineAdvance ((UINTN)Count, MainEditor.FileBuffer->CurrentLine, MainEditor.FileBuffer->ListHead);\r |
632820d1 | 244 | }\r |
245 | \r | |
246 | return Line;\r | |
247 | }\r | |
248 | \r | |
249 | /**\r | |
250 | Function to update the 'screen' to display the mouse position.\r | |
251 | \r | |
252 | @retval EFI_SUCCESS The backup operation was successful.\r | |
253 | **/\r | |
254 | EFI_STATUS\r | |
632820d1 | 255 | FileBufferRestoreMousePosition (\r |
256 | VOID\r | |
257 | )\r | |
258 | {\r | |
259 | EFI_EDITOR_COLOR_UNION Orig;\r | |
260 | EFI_EDITOR_COLOR_UNION New;\r | |
261 | UINTN FRow;\r | |
262 | UINTN FColumn;\r | |
263 | BOOLEAN HasCharacter;\r | |
264 | EFI_EDITOR_LINE *CurrentLine;\r | |
265 | EFI_EDITOR_LINE *Line;\r | |
266 | CHAR16 Value;\r | |
267 | \r | |
268 | //\r | |
269 | // variable initialization\r | |
270 | //\r | |
271 | Line = NULL;\r | |
272 | \r | |
273 | if (MainEditor.MouseSupported) {\r | |
632820d1 | 274 | if (FileBufferMouseNeedRefresh) {\r |
632820d1 | 275 | FileBufferMouseNeedRefresh = FALSE;\r |
276 | \r | |
277 | //\r | |
278 | // if mouse position not moved and only mouse action\r | |
279 | // so do not need to refresh mouse position\r | |
280 | //\r | |
47d20b54 MK |
281 | if ( ((FileBuffer.MousePosition.Row == FileBufferBackupVar.MousePosition.Row) &&\r |
282 | (FileBuffer.MousePosition.Column == FileBufferBackupVar.MousePosition.Column))\r | |
283 | && EditorMouseAction)\r | |
284 | {\r | |
632820d1 | 285 | return EFI_SUCCESS;\r |
286 | }\r | |
47d20b54 | 287 | \r |
632820d1 | 288 | //\r |
289 | // backup the old screen attributes\r | |
290 | //\r | |
291 | Orig = MainEditor.ColorAttributes;\r | |
28981267 | 292 | New.Data = 0;\r |
17e59b33 JC |
293 | New.Colors.Foreground = Orig.Colors.Background & 0xF;\r |
294 | New.Colors.Background = Orig.Colors.Foreground & 0x7;\r | |
632820d1 | 295 | \r |
296 | //\r | |
297 | // clear the old mouse position\r | |
298 | //\r | |
47d20b54 | 299 | FRow = FileBuffer.LowVisibleRange.Row + FileBufferBackupVar.MousePosition.Row - 2;\r |
632820d1 | 300 | \r |
47d20b54 | 301 | FColumn = FileBuffer.LowVisibleRange.Column + FileBufferBackupVar.MousePosition.Column - 1;\r |
632820d1 | 302 | \r |
47d20b54 | 303 | HasCharacter = TRUE;\r |
632820d1 | 304 | if (FRow > FileBuffer.NumLines) {\r |
305 | HasCharacter = FALSE;\r | |
306 | } else {\r | |
307 | CurrentLine = FileBuffer.CurrentLine;\r | |
308 | Line = MoveLine (FRow - FileBuffer.FilePosition.Row);\r | |
309 | \r | |
47d20b54 | 310 | if ((Line == NULL) || (FColumn > Line->Size)) {\r |
632820d1 | 311 | HasCharacter = FALSE;\r |
312 | }\r | |
313 | \r | |
314 | FileBuffer.CurrentLine = CurrentLine;\r | |
315 | }\r | |
316 | \r | |
317 | ShellPrintEx (\r | |
318 | (INT32)FileBufferBackupVar.MousePosition.Column - 1,\r | |
319 | (INT32)FileBufferBackupVar.MousePosition.Row - 1,\r | |
320 | L" "\r | |
321 | );\r | |
322 | \r | |
323 | if (HasCharacter) {\r | |
324 | Value = (Line->Buffer[FColumn - 1]);\r | |
325 | ShellPrintEx (\r | |
326 | (INT32)FileBufferBackupVar.MousePosition.Column - 1,\r | |
327 | (INT32)FileBufferBackupVar.MousePosition.Row - 1,\r | |
328 | L"%c",\r | |
329 | Value\r | |
330 | );\r | |
331 | }\r | |
47d20b54 | 332 | \r |
632820d1 | 333 | //\r |
334 | // set the new mouse position\r | |
335 | //\r | |
664fd587 RN |
336 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
337 | \r | |
632820d1 | 338 | //\r |
339 | // clear the old mouse position\r | |
340 | //\r | |
47d20b54 MK |
341 | FRow = FileBuffer.LowVisibleRange.Row + FileBuffer.MousePosition.Row - 2;\r |
342 | FColumn = FileBuffer.LowVisibleRange.Column + FileBuffer.MousePosition.Column - 1;\r | |
632820d1 | 343 | \r |
47d20b54 | 344 | HasCharacter = TRUE;\r |
632820d1 | 345 | if (FRow > FileBuffer.NumLines) {\r |
346 | HasCharacter = FALSE;\r | |
347 | } else {\r | |
348 | CurrentLine = FileBuffer.CurrentLine;\r | |
349 | Line = MoveLine (FRow - FileBuffer.FilePosition.Row);\r | |
350 | \r | |
47d20b54 | 351 | if ((Line == NULL) || (FColumn > Line->Size)) {\r |
632820d1 | 352 | HasCharacter = FALSE;\r |
353 | }\r | |
354 | \r | |
355 | FileBuffer.CurrentLine = CurrentLine;\r | |
356 | }\r | |
357 | \r | |
358 | ShellPrintEx (\r | |
359 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
360 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
361 | L" "\r | |
362 | );\r | |
363 | \r | |
364 | if (HasCharacter) {\r | |
365 | Value = Line->Buffer[FColumn - 1];\r | |
366 | ShellPrintEx (\r | |
367 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
368 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
369 | L"%c",\r | |
370 | Value\r | |
371 | );\r | |
372 | }\r | |
47d20b54 | 373 | \r |
632820d1 | 374 | //\r |
375 | // end of HasCharacter\r | |
376 | //\r | |
377 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
378 | }\r | |
47d20b54 | 379 | \r |
632820d1 | 380 | //\r |
381 | // end of MouseNeedRefresh\r | |
382 | //\r | |
383 | }\r | |
47d20b54 | 384 | \r |
632820d1 | 385 | //\r |
386 | // end of MouseSupported\r | |
387 | //\r | |
388 | return EFI_SUCCESS;\r | |
389 | }\r | |
390 | \r | |
391 | /**\r | |
392 | Free all the lines in FileBuffer\r | |
393 | Fields affected:\r | |
394 | Lines\r | |
395 | CurrentLine\r | |
396 | NumLines\r | |
397 | ListHead\r | |
398 | \r | |
399 | @retval EFI_SUCCESS The operation was successful.\r | |
400 | **/\r | |
401 | EFI_STATUS\r | |
632820d1 | 402 | FileBufferFreeLines (\r |
403 | VOID\r | |
404 | )\r | |
405 | {\r | |
47d20b54 MK |
406 | LIST_ENTRY *Link;\r |
407 | EFI_EDITOR_LINE *Line;\r | |
632820d1 | 408 | \r |
409 | //\r | |
410 | // free all the lines\r | |
411 | //\r | |
412 | if (FileBuffer.Lines != NULL) {\r | |
47d20b54 MK |
413 | Line = FileBuffer.Lines;\r |
414 | Link = &(Line->Link);\r | |
632820d1 | 415 | do {\r |
47d20b54 MK |
416 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r |
417 | Link = Link->ForwardLink;\r | |
632820d1 | 418 | \r |
419 | //\r | |
420 | // free line's buffer and line itself\r | |
421 | //\r | |
422 | LineFree (Line);\r | |
423 | } while (Link != FileBuffer.ListHead);\r | |
424 | }\r | |
47d20b54 | 425 | \r |
632820d1 | 426 | //\r |
427 | // clean the line list related structure\r | |
428 | //\r | |
47d20b54 MK |
429 | FileBuffer.Lines = NULL;\r |
430 | FileBuffer.CurrentLine = NULL;\r | |
431 | FileBuffer.NumLines = 0;\r | |
632820d1 | 432 | \r |
47d20b54 MK |
433 | FileBuffer.ListHead->ForwardLink = FileBuffer.ListHead;\r |
434 | FileBuffer.ListHead->BackLink = FileBuffer.ListHead;\r | |
632820d1 | 435 | \r |
436 | return EFI_SUCCESS;\r | |
437 | }\r | |
438 | \r | |
439 | /**\r | |
440 | Cleanup function for FileBuffer.\r | |
441 | \r | |
442 | @retval EFI_SUCCESS The cleanup was successful.\r | |
443 | **/\r | |
444 | EFI_STATUS\r | |
632820d1 | 445 | FileBufferCleanup (\r |
446 | VOID\r | |
447 | )\r | |
448 | {\r | |
449 | EFI_STATUS Status;\r | |
450 | \r | |
451 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
452 | \r | |
453 | //\r | |
454 | // free all the lines\r | |
455 | //\r | |
456 | Status = FileBufferFreeLines ();\r | |
457 | \r | |
458 | SHELL_FREE_NON_NULL (FileBuffer.ListHead);\r | |
459 | FileBuffer.ListHead = NULL;\r | |
460 | \r | |
461 | SHELL_FREE_NON_NULL (FileBufferBackupVar.FileName);\r | |
462 | return Status;\r | |
632820d1 | 463 | }\r |
464 | \r | |
465 | /**\r | |
664fd587 | 466 | Print a line specified by Line on a row specified by Row of the screen.\r |
632820d1 | 467 | \r |
664fd587 RN |
468 | @param[in] Line The line to print.\r |
469 | @param[in] Row The row on the screen to print onto (begin from 1).\r | |
632820d1 | 470 | \r |
664fd587 | 471 | @retval EFI_SUCCESS The printing was successful.\r |
632820d1 | 472 | **/\r |
473 | EFI_STATUS\r | |
474 | FileBufferPrintLine (\r | |
664fd587 RN |
475 | IN CONST EFI_EDITOR_LINE *Line,\r |
476 | IN CONST UINTN Row\r | |
632820d1 | 477 | )\r |
478 | {\r | |
632820d1 | 479 | CHAR16 *Buffer;\r |
480 | UINTN Limit;\r | |
81cd2f53 ED |
481 | CHAR16 *PrintLine;\r |
482 | CHAR16 *PrintLine2;\r | |
ba0014b9 | 483 | UINTN BufLen;\r |
632820d1 | 484 | \r |
485 | //\r | |
486 | // print start from correct character\r | |
487 | //\r | |
47d20b54 | 488 | Buffer = Line->Buffer + FileBuffer.LowVisibleRange.Column - 1;\r |
632820d1 | 489 | \r |
47d20b54 | 490 | Limit = Line->Size - FileBuffer.LowVisibleRange.Column + 1;\r |
632820d1 | 491 | if (Limit > Line->Size) {\r |
492 | Limit = 0;\r | |
493 | }\r | |
494 | \r | |
47d20b54 | 495 | BufLen = (MainEditor.ScreenSize.Column + 1) * sizeof (CHAR16);\r |
81cd2f53 | 496 | PrintLine = AllocatePool (BufLen);\r |
3e9442a5 | 497 | if (PrintLine != NULL) {\r |
47d20b54 | 498 | StrnCpyS (PrintLine, BufLen/sizeof (CHAR16), Buffer, MIN (Limit, MainEditor.ScreenSize.Column));\r |
004b8112 | 499 | for (Limit = StrLen (PrintLine); Limit < MainEditor.ScreenSize.Column; Limit++) {\r |
3e9442a5 RN |
500 | PrintLine[Limit] = L' ';\r |
501 | }\r | |
81cd2f53 | 502 | \r |
3e9442a5 | 503 | PrintLine[MainEditor.ScreenSize.Column] = CHAR_NULL;\r |
632820d1 | 504 | \r |
3e9442a5 RN |
505 | PrintLine2 = AllocatePool (BufLen * 2);\r |
506 | if (PrintLine2 != NULL) {\r | |
47d20b54 | 507 | ShellCopySearchAndReplace (PrintLine, PrintLine2, BufLen * 2, L"%", L"^%", FALSE, FALSE);\r |
632820d1 | 508 | \r |
3e9442a5 RN |
509 | ShellPrintEx (\r |
510 | 0,\r | |
511 | (INT32)Row - 1,\r | |
512 | L"%s",\r | |
513 | PrintLine2\r | |
514 | );\r | |
515 | FreePool (PrintLine2);\r | |
516 | }\r | |
47d20b54 | 517 | \r |
3e9442a5 RN |
518 | FreePool (PrintLine);\r |
519 | }\r | |
81cd2f53 | 520 | \r |
632820d1 | 521 | return EFI_SUCCESS;\r |
522 | }\r | |
523 | \r | |
524 | /**\r | |
525 | Set the cursor position according to FileBuffer.DisplayPosition.\r | |
526 | \r | |
527 | @retval EFI_SUCCESS The operation was successful.\r | |
528 | **/\r | |
529 | EFI_STATUS\r | |
632820d1 | 530 | FileBufferRestorePosition (\r |
531 | VOID\r | |
532 | )\r | |
533 | {\r | |
534 | //\r | |
535 | // set cursor position\r | |
536 | //\r | |
537 | return (gST->ConOut->SetCursorPosition (\r | |
47d20b54 MK |
538 | gST->ConOut,\r |
539 | FileBuffer.DisplayPosition.Column - 1,\r | |
540 | FileBuffer.DisplayPosition.Row - 1\r | |
541 | ));\r | |
632820d1 | 542 | }\r |
543 | \r | |
544 | /**\r | |
545 | Refresh the screen with whats in the buffer.\r | |
546 | \r | |
547 | @retval EFI_SUCCESS The refresh was successful.\r | |
548 | @retval EFI_LOAD_ERROR There was an error finding what to write.\r | |
549 | **/\r | |
550 | EFI_STATUS\r | |
632820d1 | 551 | FileBufferRefresh (\r |
552 | VOID\r | |
553 | )\r | |
554 | {\r | |
47d20b54 MK |
555 | LIST_ENTRY *Link;\r |
556 | EFI_EDITOR_LINE *Line;\r | |
557 | UINTN Row;\r | |
632820d1 | 558 | \r |
559 | //\r | |
560 | // if it's the first time after editor launch, so should refresh\r | |
561 | //\r | |
562 | if (!EditorFirst) {\r | |
563 | //\r | |
564 | // no definite required refresh\r | |
565 | // and file position displayed on screen has not been changed\r | |
566 | //\r | |
567 | if (!FileBufferNeedRefresh &&\r | |
568 | !FileBufferOnlyLineNeedRefresh &&\r | |
47d20b54 MK |
569 | (FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row) &&\r |
570 | (FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column)\r | |
571 | )\r | |
572 | {\r | |
632820d1 | 573 | FileBufferRestoreMousePosition ();\r |
574 | FileBufferRestorePosition ();\r | |
664fd587 | 575 | \r |
632820d1 | 576 | return EFI_SUCCESS;\r |
577 | }\r | |
578 | }\r | |
579 | \r | |
580 | gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r | |
581 | \r | |
582 | //\r | |
583 | // only need to refresh current line\r | |
584 | //\r | |
585 | if (FileBufferOnlyLineNeedRefresh &&\r | |
47d20b54 MK |
586 | (FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row) &&\r |
587 | (FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column)\r | |
588 | )\r | |
589 | {\r | |
632820d1 | 590 | EditorClearLine (FileBuffer.DisplayPosition.Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r |
591 | FileBufferPrintLine (\r | |
592 | FileBuffer.CurrentLine,\r | |
664fd587 | 593 | FileBuffer.DisplayPosition.Row\r |
632820d1 | 594 | );\r |
595 | } else {\r | |
596 | //\r | |
597 | // the whole edit area need refresh\r | |
598 | //\r | |
599 | \r | |
600 | //\r | |
601 | // no line\r | |
602 | //\r | |
603 | if (FileBuffer.Lines == NULL) {\r | |
604 | FileBufferRestoreMousePosition ();\r | |
605 | FileBufferRestorePosition ();\r | |
606 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
607 | \r | |
608 | return EFI_SUCCESS;\r | |
609 | }\r | |
47d20b54 | 610 | \r |
632820d1 | 611 | //\r |
612 | // get the first line that will be displayed\r | |
613 | //\r | |
614 | Line = MoveLine (FileBuffer.LowVisibleRange.Row - FileBuffer.FilePosition.Row);\r | |
615 | if (Line == NULL) {\r | |
616 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
617 | \r | |
618 | return EFI_LOAD_ERROR;\r | |
619 | }\r | |
620 | \r | |
47d20b54 MK |
621 | Link = &(Line->Link);\r |
622 | Row = 2;\r | |
632820d1 | 623 | do {\r |
624 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
625 | \r | |
626 | //\r | |
627 | // print line at row\r | |
628 | //\r | |
664fd587 | 629 | FileBufferPrintLine (Line, Row);\r |
632820d1 | 630 | \r |
631 | Link = Link->ForwardLink;\r | |
632 | Row++;\r | |
664fd587 | 633 | } while (Link != FileBuffer.ListHead && Row <= (MainEditor.ScreenSize.Row - 1));\r |
47d20b54 | 634 | \r |
632820d1 | 635 | //\r |
636 | // while not file end and not screen full\r | |
637 | //\r | |
664fd587 | 638 | while (Row <= (MainEditor.ScreenSize.Row - 1)) {\r |
632820d1 | 639 | EditorClearLine (Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r |
640 | Row++;\r | |
641 | }\r | |
642 | }\r | |
643 | \r | |
644 | FileBufferRestoreMousePosition ();\r | |
645 | FileBufferRestorePosition ();\r | |
646 | \r | |
647 | FileBufferNeedRefresh = FALSE;\r | |
648 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
649 | \r | |
650 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
651 | return EFI_SUCCESS;\r | |
652 | }\r | |
653 | \r | |
654 | /**\r | |
655 | Create a new line and append it to the line list.\r | |
656 | Fields affected:\r | |
657 | NumLines\r | |
658 | Lines\r | |
659 | \r | |
660 | @retval NULL The create line failed.\r | |
661 | @return The line created.\r | |
662 | **/\r | |
663 | EFI_EDITOR_LINE *\r | |
632820d1 | 664 | FileBufferCreateLine (\r |
665 | VOID\r | |
666 | )\r | |
667 | {\r | |
47d20b54 | 668 | EFI_EDITOR_LINE *Line;\r |
632820d1 | 669 | \r |
670 | //\r | |
671 | // allocate a line structure\r | |
672 | //\r | |
673 | Line = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r | |
674 | if (Line == NULL) {\r | |
675 | return NULL;\r | |
676 | }\r | |
47d20b54 | 677 | \r |
632820d1 | 678 | //\r |
679 | // initialize the structure\r | |
680 | //\r | |
681 | Line->Signature = LINE_LIST_SIGNATURE;\r | |
682 | Line->Size = 0;\r | |
683 | Line->TotalSize = 0;\r | |
684 | Line->Type = NewLineTypeDefault;\r | |
685 | \r | |
686 | //\r | |
687 | // initial buffer of the line is "\0"\r | |
688 | //\r | |
47d20b54 | 689 | ASSERT (CHAR_NULL == CHAR_NULL);\r |
632820d1 | 690 | Line->Buffer = CatSPrint (NULL, L"\0");\r |
691 | if (Line->Buffer == NULL) {\r | |
692 | return NULL;\r | |
693 | }\r | |
694 | \r | |
695 | FileBuffer.NumLines++;\r | |
696 | \r | |
697 | //\r | |
698 | // insert the line into line list\r | |
699 | //\r | |
700 | InsertTailList (FileBuffer.ListHead, &Line->Link);\r | |
701 | \r | |
702 | if (FileBuffer.Lines == NULL) {\r | |
703 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
704 | }\r | |
705 | \r | |
706 | return Line;\r | |
707 | }\r | |
708 | \r | |
709 | /**\r | |
710 | Set FileName field in FileBuffer.\r | |
711 | \r | |
712 | @param Str The file name to set.\r | |
ba0014b9 | 713 | \r |
632820d1 | 714 | @retval EFI_SUCCESS The filename was successfully set.\r |
715 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
716 | @retval EFI_INVALID_PARAMETER Str is not a valid filename.\r | |
717 | **/\r | |
718 | EFI_STATUS\r | |
632820d1 | 719 | FileBufferSetFileName (\r |
47d20b54 | 720 | IN CONST CHAR16 *Str\r |
632820d1 | 721 | )\r |
722 | {\r | |
723 | //\r | |
724 | // Verify the parameters\r | |
725 | //\r | |
47d20b54 | 726 | if (!IsValidFileName (Str)) {\r |
632820d1 | 727 | return (EFI_INVALID_PARAMETER);\r |
728 | }\r | |
47d20b54 | 729 | \r |
632820d1 | 730 | //\r |
731 | // free the old file name\r | |
732 | //\r | |
733 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
734 | \r | |
735 | //\r | |
736 | // Allocate and set the new name\r | |
737 | //\r | |
738 | FileBuffer.FileName = CatSPrint (NULL, L"%s", Str);\r | |
739 | if (FileBuffer.FileName == NULL) {\r | |
740 | return EFI_OUT_OF_RESOURCES;\r | |
741 | }\r | |
742 | \r | |
743 | return EFI_SUCCESS;\r | |
744 | }\r | |
47d20b54 | 745 | \r |
632820d1 | 746 | /**\r |
747 | Free the existing file lines and reset the modified flag.\r | |
748 | \r | |
749 | @retval EFI_SUCCESS The operation was successful.\r | |
750 | **/\r | |
751 | EFI_STATUS\r | |
632820d1 | 752 | FileBufferFree (\r |
753 | VOID\r | |
754 | )\r | |
755 | {\r | |
756 | //\r | |
757 | // free all the lines\r | |
758 | //\r | |
759 | FileBufferFreeLines ();\r | |
760 | FileBuffer.FileModified = FALSE;\r | |
761 | \r | |
762 | return EFI_SUCCESS;\r | |
763 | }\r | |
764 | \r | |
632820d1 | 765 | /**\r |
766 | Read a file from disk into the FileBuffer.\r | |
ba0014b9 | 767 | \r |
632820d1 | 768 | @param[in] FileName The filename to read.\r |
769 | @param[in] Recover TRUE if is for recover mode, no information printouts.\r | |
ba0014b9 | 770 | \r |
632820d1 | 771 | @retval EFI_SUCCESS The load was successful.\r |
772 | @retval EFI_LOAD_ERROR The load failed.\r | |
773 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
774 | @retval EFI_INVALID_PARAMETER FileName is a directory.\r | |
775 | **/\r | |
776 | EFI_STATUS\r | |
632820d1 | 777 | FileBufferRead (\r |
47d20b54 MK |
778 | IN CONST CHAR16 *FileName,\r |
779 | IN CONST BOOLEAN Recover\r | |
632820d1 | 780 | )\r |
781 | {\r | |
47d20b54 MK |
782 | EFI_EDITOR_LINE *Line;\r |
783 | EE_NEWLINE_TYPE Type;\r | |
784 | UINTN LoopVar1;\r | |
785 | UINTN LoopVar2;\r | |
786 | UINTN LineSize;\r | |
787 | VOID *Buffer;\r | |
788 | CHAR16 *UnicodeBuffer;\r | |
789 | UINT8 *AsciiBuffer;\r | |
790 | UINTN FileSize;\r | |
791 | SHELL_FILE_HANDLE FileHandle;\r | |
792 | BOOLEAN CreateFile;\r | |
793 | EFI_STATUS Status;\r | |
794 | UINTN LineSizeBackup;\r | |
795 | EFI_FILE_INFO *Info;\r | |
632820d1 | 796 | \r |
797 | Line = NULL;\r | |
798 | LoopVar1 = 0;\r | |
799 | FileSize = 0;\r | |
800 | UnicodeBuffer = NULL;\r | |
801 | Type = NewLineTypeDefault;\r | |
802 | FileHandle = NULL;\r | |
803 | CreateFile = FALSE;\r | |
804 | \r | |
805 | //\r | |
806 | // in this function, when you return error ( except EFI_OUT_OF_RESOURCES )\r | |
807 | // you should set status string via StatusBarSetStatusString(L"blah")\r | |
808 | // since this function maybe called before the editorhandleinput loop\r | |
809 | // so any error will cause editor return\r | |
810 | // so if you want to print the error status\r | |
811 | // you should set the status string\r | |
812 | //\r | |
813 | \r | |
814 | //\r | |
815 | // try to open the file\r | |
816 | //\r | |
817 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
818 | \r | |
47d20b54 | 819 | if (!EFI_ERROR (Status)) {\r |
632820d1 | 820 | CreateFile = FALSE;\r |
821 | if (FileHandle == NULL) {\r | |
822 | StatusBarSetStatusString (L"Disk Error");\r | |
823 | return EFI_LOAD_ERROR;\r | |
824 | }\r | |
825 | \r | |
47d20b54 | 826 | Info = ShellGetFileInfo (FileHandle);\r |
ba0014b9 | 827 | \r |
632820d1 | 828 | if (Info->Attribute & EFI_FILE_DIRECTORY) {\r |
829 | StatusBarSetStatusString (L"Directory Can Not Be Edited");\r | |
830 | FreePool (Info);\r | |
831 | return EFI_INVALID_PARAMETER;\r | |
832 | }\r | |
833 | \r | |
834 | if (Info->Attribute & EFI_FILE_READ_ONLY) {\r | |
835 | FileBuffer.ReadOnly = TRUE;\r | |
836 | } else {\r | |
837 | FileBuffer.ReadOnly = FALSE;\r | |
838 | }\r | |
47d20b54 | 839 | \r |
632820d1 | 840 | //\r |
841 | // get file size\r | |
842 | //\r | |
47d20b54 | 843 | FileSize = (UINTN)Info->FileSize;\r |
632820d1 | 844 | \r |
845 | FreePool (Info);\r | |
846 | } else if (Status == EFI_NOT_FOUND) {\r | |
847 | //\r | |
848 | // file not exists. add create and try again\r | |
849 | //\r | |
850 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);\r | |
851 | if (EFI_ERROR (Status)) {\r | |
47d20b54 MK |
852 | if ((Status == EFI_WRITE_PROTECTED) ||\r |
853 | (Status == EFI_ACCESS_DENIED) ||\r | |
854 | (Status == EFI_NO_MEDIA) ||\r | |
855 | (Status == EFI_MEDIA_CHANGED)\r | |
856 | )\r | |
857 | {\r | |
632820d1 | 858 | StatusBarSetStatusString (L"Access Denied");\r |
47d20b54 | 859 | } else if ((Status == EFI_DEVICE_ERROR) || (Status == EFI_VOLUME_CORRUPTED) || (Status == EFI_VOLUME_FULL)) {\r |
632820d1 | 860 | StatusBarSetStatusString (L"Disk Error");\r |
861 | } else {\r | |
862 | StatusBarSetStatusString (L"Invalid File Name or Current-working-directory");\r | |
863 | }\r | |
864 | \r | |
865 | return Status;\r | |
866 | } else {\r | |
867 | //\r | |
868 | // it worked. now delete it and move on with the name (now validated)\r | |
869 | //\r | |
870 | Status = ShellDeleteFile (&FileHandle);\r | |
871 | if (Status == EFI_WARN_DELETE_FAILURE) {\r | |
872 | Status = EFI_ACCESS_DENIED;\r | |
873 | }\r | |
47d20b54 | 874 | \r |
632820d1 | 875 | FileHandle = NULL;\r |
876 | if (EFI_ERROR (Status)) {\r | |
877 | StatusBarSetStatusString (L"Access Denied");\r | |
878 | return Status;\r | |
879 | }\r | |
880 | }\r | |
47d20b54 | 881 | \r |
632820d1 | 882 | //\r |
883 | // file doesn't exist, so set CreateFile to TRUE\r | |
884 | //\r | |
885 | CreateFile = TRUE;\r | |
886 | FileBuffer.ReadOnly = FALSE;\r | |
887 | \r | |
888 | //\r | |
889 | // all the check ends\r | |
890 | // so now begin to set file name, free lines\r | |
891 | //\r | |
892 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
893 | FileBufferSetFileName (FileName);\r | |
894 | }\r | |
47d20b54 | 895 | \r |
632820d1 | 896 | //\r |
897 | // free the old lines\r | |
898 | //\r | |
899 | FileBufferFree ();\r | |
632820d1 | 900 | }\r |
47d20b54 | 901 | \r |
632820d1 | 902 | //\r |
903 | // the file exists\r | |
904 | //\r | |
905 | if (!CreateFile) {\r | |
906 | //\r | |
907 | // allocate buffer to read file\r | |
908 | //\r | |
909 | Buffer = AllocateZeroPool (FileSize);\r | |
910 | if (Buffer == NULL) {\r | |
911 | return EFI_OUT_OF_RESOURCES;\r | |
912 | }\r | |
47d20b54 | 913 | \r |
632820d1 | 914 | //\r |
915 | // read file into Buffer\r | |
916 | //\r | |
917 | Status = ShellReadFile (FileHandle, &FileSize, Buffer);\r | |
47d20b54 | 918 | ShellCloseFile (&FileHandle);\r |
632820d1 | 919 | FileHandle = NULL;\r |
920 | if (EFI_ERROR (Status)) {\r | |
921 | StatusBarSetStatusString (L"Read File Failed");\r | |
922 | SHELL_FREE_NON_NULL (Buffer);\r | |
923 | return EFI_LOAD_ERROR;\r | |
924 | }\r | |
47d20b54 | 925 | \r |
632820d1 | 926 | //\r |
927 | // nothing in this file\r | |
928 | //\r | |
929 | if (FileSize == 0) {\r | |
930 | SHELL_FREE_NON_NULL (Buffer);\r | |
931 | //\r | |
932 | // since has no head, so only can be an ASCII file\r | |
933 | //\r | |
934 | FileBuffer.FileType = FileTypeAscii;\r | |
935 | \r | |
936 | goto Done;\r | |
937 | }\r | |
938 | \r | |
939 | AsciiBuffer = Buffer;\r | |
940 | \r | |
941 | if (FileSize < 2) {\r | |
942 | //\r | |
943 | // size < Unicode file header, so only can be ASCII file\r | |
944 | //\r | |
945 | FileBuffer.FileType = FileTypeAscii;\r | |
946 | } else {\r | |
947 | //\r | |
948 | // Unicode file\r | |
949 | //\r | |
47d20b54 | 950 | if (*(UINT16 *)Buffer == EFI_UNICODE_BYTE_ORDER_MARK) {\r |
632820d1 | 951 | //\r |
952 | // Unicode file's size should be even\r | |
953 | //\r | |
954 | if ((FileSize % 2) != 0) {\r | |
955 | StatusBarSetStatusString (L"File Format Wrong");\r | |
956 | SHELL_FREE_NON_NULL (Buffer);\r | |
957 | return EFI_LOAD_ERROR;\r | |
958 | }\r | |
959 | \r | |
960 | FileSize /= 2;\r | |
961 | \r | |
962 | FileBuffer.FileType = FileTypeUnicode;\r | |
963 | UnicodeBuffer = Buffer;\r | |
964 | \r | |
965 | //\r | |
966 | // pass this 0xff and 0xfe\r | |
967 | //\r | |
968 | UnicodeBuffer++;\r | |
969 | FileSize--;\r | |
970 | } else {\r | |
971 | FileBuffer.FileType = FileTypeAscii;\r | |
972 | }\r | |
47d20b54 | 973 | \r |
632820d1 | 974 | //\r |
975 | // end of AsciiBuffer ==\r | |
976 | //\r | |
977 | }\r | |
47d20b54 | 978 | \r |
632820d1 | 979 | //\r |
980 | // end of FileSize < 2\r | |
981 | // all the check ends\r | |
982 | // so now begin to set file name, free lines\r | |
983 | //\r | |
984 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
985 | FileBufferSetFileName (FileName);\r | |
986 | }\r | |
987 | \r | |
988 | //\r | |
989 | // free the old lines\r | |
990 | //\r | |
991 | FileBufferFree ();\r | |
992 | \r | |
993 | //\r | |
994 | // parse file content line by line\r | |
995 | //\r | |
996 | for (LoopVar1 = 0; LoopVar1 < FileSize; LoopVar1++) {\r | |
997 | Type = NewLineTypeUnknown;\r | |
998 | \r | |
999 | for (LineSize = LoopVar1; LineSize < FileSize; LineSize++) {\r | |
1000 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1001 | if (AsciiBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
1002 | Type = NewLineTypeCarriageReturn;\r | |
1003 | \r | |
1004 | //\r | |
1005 | // has LF following\r | |
1006 | //\r | |
1007 | if (LineSize < FileSize - 1) {\r | |
1008 | if (AsciiBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
1009 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1010 | }\r | |
1011 | }\r | |
1012 | \r | |
1013 | break;\r | |
1014 | } else if (AsciiBuffer[LineSize] == CHAR_LINEFEED) {\r | |
1015 | Type = NewLineTypeLineFeed;\r | |
1016 | \r | |
1017 | //\r | |
1018 | // has CR following\r | |
1019 | //\r | |
1020 | if (LineSize < FileSize - 1) {\r | |
1021 | if (AsciiBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1022 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1023 | }\r | |
1024 | }\r | |
1025 | \r | |
1026 | break;\r | |
1027 | }\r | |
1028 | } else {\r | |
1029 | if (UnicodeBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
1030 | Type = NewLineTypeCarriageReturn;\r | |
1031 | \r | |
1032 | //\r | |
1033 | // has LF following\r | |
1034 | //\r | |
1035 | if (LineSize < FileSize - 1) {\r | |
1036 | if (UnicodeBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
1037 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1038 | }\r | |
1039 | }\r | |
1040 | \r | |
1041 | break;\r | |
1042 | } else if (UnicodeBuffer[LineSize] == CHAR_LINEFEED) {\r | |
1043 | Type = NewLineTypeLineFeed;\r | |
1044 | \r | |
1045 | //\r | |
1046 | // has CR following\r | |
1047 | //\r | |
1048 | if (LineSize < FileSize - 1) {\r | |
1049 | if (UnicodeBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1050 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1051 | }\r | |
1052 | }\r | |
1053 | \r | |
1054 | break;\r | |
1055 | }\r | |
1056 | }\r | |
47d20b54 | 1057 | \r |
632820d1 | 1058 | //\r |
1059 | // endif == ASCII\r | |
1060 | //\r | |
1061 | }\r | |
47d20b54 | 1062 | \r |
632820d1 | 1063 | //\r |
1064 | // end of for LineSize\r | |
1065 | //\r | |
1066 | // if the type is wrong, then exit\r | |
1067 | //\r | |
1068 | if (Type == NewLineTypeUnknown) {\r | |
1069 | //\r | |
1070 | // Now if Type is NewLineTypeUnknown, it should be file end\r | |
1071 | //\r | |
1072 | Type = NewLineTypeDefault;\r | |
1073 | }\r | |
1074 | \r | |
1075 | LineSizeBackup = LineSize;\r | |
1076 | \r | |
1077 | //\r | |
1078 | // create a new line\r | |
1079 | //\r | |
1080 | Line = FileBufferCreateLine ();\r | |
1081 | if (Line == NULL) {\r | |
1082 | SHELL_FREE_NON_NULL (Buffer);\r | |
1083 | return EFI_OUT_OF_RESOURCES;\r | |
1084 | }\r | |
47d20b54 | 1085 | \r |
632820d1 | 1086 | //\r |
1087 | // calculate file length\r | |
1088 | //\r | |
1089 | LineSize -= LoopVar1;\r | |
1090 | \r | |
1091 | //\r | |
1092 | // Unicode and one CHAR_NULL\r | |
1093 | //\r | |
1094 | SHELL_FREE_NON_NULL (Line->Buffer);\r | |
1095 | Line->Buffer = AllocateZeroPool (LineSize * 2 + 2);\r | |
1096 | \r | |
1097 | if (Line->Buffer == NULL) {\r | |
1098 | RemoveEntryList (&Line->Link);\r | |
1099 | return EFI_OUT_OF_RESOURCES;\r | |
1100 | }\r | |
47d20b54 | 1101 | \r |
632820d1 | 1102 | //\r |
1103 | // copy this line to Line->Buffer\r | |
1104 | //\r | |
1105 | for (LoopVar2 = 0; LoopVar2 < LineSize; LoopVar2++) {\r | |
1106 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
47d20b54 | 1107 | Line->Buffer[LoopVar2] = (CHAR16)AsciiBuffer[LoopVar1];\r |
632820d1 | 1108 | } else {\r |
1109 | Line->Buffer[LoopVar2] = UnicodeBuffer[LoopVar1];\r | |
1110 | }\r | |
1111 | \r | |
1112 | LoopVar1++;\r | |
1113 | }\r | |
47d20b54 | 1114 | \r |
632820d1 | 1115 | //\r |
1116 | // LoopVar1 now points to where CHAR_CARRIAGE_RETURN or CHAR_LINEFEED;\r | |
1117 | //\r | |
47d20b54 | 1118 | Line->Buffer[LineSize] = 0;\r |
632820d1 | 1119 | \r |
47d20b54 MK |
1120 | Line->Size = LineSize;\r |
1121 | Line->TotalSize = LineSize;\r | |
1122 | Line->Type = Type;\r | |
632820d1 | 1123 | \r |
47d20b54 | 1124 | if ((Type == NewLineTypeCarriageReturnLineFeed) || (Type == NewLineTypeLineFeedCarriageReturn)) {\r |
632820d1 | 1125 | LoopVar1++;\r |
1126 | }\r | |
1127 | \r | |
1128 | //\r | |
1129 | // last character is a return, SO create a new line\r | |
1130 | //\r | |
47d20b54 MK |
1131 | if ((((Type == NewLineTypeCarriageReturnLineFeed) || (Type == NewLineTypeLineFeedCarriageReturn)) && (LineSizeBackup == FileSize - 2)) ||\r |
1132 | (((Type == NewLineTypeLineFeed) || (Type == NewLineTypeCarriageReturn)) && (LineSizeBackup == FileSize - 1))\r | |
1133 | )\r | |
1134 | {\r | |
632820d1 | 1135 | Line = FileBufferCreateLine ();\r |
1136 | if (Line == NULL) {\r | |
1137 | SHELL_FREE_NON_NULL (Buffer);\r | |
1138 | return EFI_OUT_OF_RESOURCES;\r | |
1139 | }\r | |
1140 | }\r | |
47d20b54 | 1141 | \r |
632820d1 | 1142 | //\r |
1143 | // end of if\r | |
1144 | //\r | |
1145 | }\r | |
47d20b54 | 1146 | \r |
632820d1 | 1147 | //\r |
1148 | // end of LoopVar1\r | |
1149 | //\r | |
1150 | SHELL_FREE_NON_NULL (Buffer);\r | |
632820d1 | 1151 | }\r |
47d20b54 | 1152 | \r |
632820d1 | 1153 | //\r |
1154 | // end of if CreateFile\r | |
1155 | //\r | |
1156 | Done:\r | |
1157 | \r | |
1158 | FileBuffer.DisplayPosition.Row = 2;\r | |
1159 | FileBuffer.DisplayPosition.Column = 1;\r | |
1160 | FileBuffer.LowVisibleRange.Row = 1;\r | |
1161 | FileBuffer.LowVisibleRange.Column = 1;\r | |
1162 | FileBuffer.FilePosition.Row = 1;\r | |
1163 | FileBuffer.FilePosition.Column = 1;\r | |
1164 | FileBuffer.MousePosition.Row = 2;\r | |
1165 | FileBuffer.MousePosition.Column = 1;\r | |
1166 | \r | |
1167 | if (!Recover) {\r | |
1168 | UnicodeBuffer = CatSPrint (NULL, L"%d Lines Read", FileBuffer.NumLines);\r | |
1169 | if (UnicodeBuffer == NULL) {\r | |
1170 | return EFI_OUT_OF_RESOURCES;\r | |
1171 | }\r | |
1172 | \r | |
1173 | StatusBarSetStatusString (UnicodeBuffer);\r | |
1174 | FreePool (UnicodeBuffer);\r | |
1175 | }\r | |
632820d1 | 1176 | \r |
47d20b54 MK |
1177 | /*\r |
1178 | //\r | |
1179 | // check whether we have fs?: in filename\r | |
1180 | //\r | |
1181 | LoopVar1 = 0;\r | |
1182 | FSMappingPtr = NULL;\r | |
632820d1 | 1183 | while (FileName[LoopVar1] != 0) {\r |
1184 | if (FileName[LoopVar1] == L':') {\r | |
47d20b54 | 1185 | FSMappingPtr = &FileName[LoopVar1];\r |
632820d1 | 1186 | break;\r |
1187 | }\r | |
1188 | \r | |
632820d1 | 1189 | LoopVar1++;\r |
1190 | }\r | |
1191 | \r | |
47d20b54 MK |
1192 | if (FSMappingPtr == NULL) {\r |
1193 | CurDir = ShellGetCurrentDir (NULL);\r | |
1194 | } else {\r | |
1195 | LoopVar1 = 0;\r | |
1196 | LoopVar2 = 0;\r | |
1197 | while (FileName[LoopVar1] != 0) {\r | |
1198 | if (FileName[LoopVar1] == L':') {\r | |
1199 | break;\r | |
1200 | }\r | |
632820d1 | 1201 | \r |
47d20b54 | 1202 | FSMapping[LoopVar2++] = FileName[LoopVar1];\r |
632820d1 | 1203 | \r |
47d20b54 MK |
1204 | LoopVar1++;\r |
1205 | }\r | |
632820d1 | 1206 | \r |
47d20b54 MK |
1207 | FSMapping[LoopVar2] = 0;\r |
1208 | CurDir = ShellGetCurrentDir (FSMapping);\r | |
1209 | }\r | |
632820d1 | 1210 | \r |
47d20b54 MK |
1211 | if (CurDir != NULL) {\r |
1212 | for (LoopVar1 = 0; LoopVar1 < StrLen (CurDir) && CurDir[LoopVar1] != ':'; LoopVar1++);\r | |
632820d1 | 1213 | \r |
47d20b54 MK |
1214 | CurDir[LoopVar1] = 0;\r |
1215 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) ShellGetMap (CurDir);\r | |
1216 | FreePool (CurDir);\r | |
1217 | } else {\r | |
1218 | return EFI_LOAD_ERROR;\r | |
1219 | }\r | |
632820d1 | 1220 | \r |
47d20b54 MK |
1221 | Status = LibDevicePathToInterface (\r |
1222 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1223 | DevicePath,\r | |
1224 | (VOID **) &Vol\r | |
1225 | );\r | |
1226 | if (EFI_ERROR (Status)) {\r | |
1227 | return EFI_LOAD_ERROR;\r | |
1228 | }\r | |
1229 | \r | |
1230 | Status = Vol->OpenVolume (Vol, &RootFs);\r | |
1231 | if (EFI_ERROR (Status)) {\r | |
1232 | return EFI_LOAD_ERROR;\r | |
1233 | }\r | |
1234 | //\r | |
1235 | // Get volume information of file system\r | |
1236 | //\r | |
1237 | Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + 100;\r | |
1238 | VolumeInfo = (EFI_FILE_SYSTEM_INFO *) AllocateZeroPool (Size);\r | |
1239 | Status = RootFs->GetInfo (RootFs, &gEfiFileSystemInfoGuid, &Size, VolumeInfo);\r | |
1240 | if (EFI_ERROR (Status)) {\r | |
1241 | RootFs->Close (RootFs);\r | |
1242 | return EFI_LOAD_ERROR;\r | |
1243 | }\r | |
1244 | \r | |
1245 | if (VolumeInfo->ReadOnly) {\r | |
1246 | StatusBarSetStatusString (L"WARNING: Volume Read Only");\r | |
1247 | }\r | |
1248 | \r | |
1249 | FreePool (VolumeInfo);\r | |
1250 | RootFs->Close (RootFs);\r | |
1251 | }\r | |
1252 | //\r | |
1253 | */\r | |
632820d1 | 1254 | //\r |
1255 | // has line\r | |
1256 | //\r | |
1257 | if (FileBuffer.Lines != 0) {\r | |
1258 | FileBuffer.CurrentLine = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1259 | } else {\r | |
1260 | //\r | |
1261 | // create a dummy line\r | |
1262 | //\r | |
1263 | Line = FileBufferCreateLine ();\r | |
1264 | if (Line == NULL) {\r | |
1265 | return EFI_OUT_OF_RESOURCES;\r | |
1266 | }\r | |
1267 | \r | |
1268 | FileBuffer.CurrentLine = Line;\r | |
1269 | }\r | |
1270 | \r | |
1271 | FileBuffer.FileModified = FALSE;\r | |
1272 | FileBufferNeedRefresh = TRUE;\r | |
1273 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1274 | FileBufferMouseNeedRefresh = TRUE;\r | |
1275 | \r | |
632820d1 | 1276 | return EFI_SUCCESS;\r |
1277 | }\r | |
1278 | \r | |
1279 | /**\r | |
1280 | According to FileBuffer.NewLineType & FileBuffer.FileType,\r | |
1281 | get the return buffer and size.\r | |
1282 | \r | |
1283 | @param[in] Type The type of line.\r | |
1284 | @param[out] Buffer The buffer to fill.\r | |
1285 | @param[out] Size The amount of the buffer used on return.\r | |
1286 | **/\r | |
1287 | VOID\r | |
632820d1 | 1288 | GetNewLine (\r |
47d20b54 MK |
1289 | IN CONST EE_NEWLINE_TYPE Type,\r |
1290 | OUT CHAR8 *Buffer,\r | |
1291 | OUT UINT8 *Size\r | |
632820d1 | 1292 | )\r |
1293 | {\r | |
47d20b54 | 1294 | UINT8 NewLineSize;\r |
632820d1 | 1295 | \r |
1296 | //\r | |
1297 | // give new line buffer,\r | |
1298 | // and will judge unicode or ascii\r | |
1299 | //\r | |
1300 | NewLineSize = 0;\r | |
1301 | \r | |
1302 | //\r | |
1303 | // not legal new line type\r | |
1304 | //\r | |
47d20b54 | 1305 | if ((Type != NewLineTypeLineFeed) && (Type != NewLineTypeCarriageReturn) && (Type != NewLineTypeCarriageReturnLineFeed) && (Type != NewLineTypeLineFeedCarriageReturn)) {\r |
632820d1 | 1306 | *Size = 0;\r |
47d20b54 | 1307 | return;\r |
632820d1 | 1308 | }\r |
47d20b54 | 1309 | \r |
632820d1 | 1310 | //\r |
1311 | // use_cr: give 0x0d\r | |
1312 | //\r | |
1313 | if (Type == NewLineTypeCarriageReturn) {\r | |
1314 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1315 | Buffer[0] = 0x0d;\r | |
1316 | Buffer[1] = 0;\r | |
1317 | NewLineSize = 2;\r | |
1318 | } else {\r | |
1319 | Buffer[0] = 0x0d;\r | |
1320 | NewLineSize = 1;\r | |
1321 | }\r | |
1322 | \r | |
1323 | *Size = NewLineSize;\r | |
47d20b54 | 1324 | return;\r |
632820d1 | 1325 | }\r |
47d20b54 | 1326 | \r |
632820d1 | 1327 | //\r |
1328 | // use_lf: give 0x0a\r | |
1329 | //\r | |
1330 | if (Type == NewLineTypeLineFeed) {\r | |
1331 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1332 | Buffer[0] = 0x0a;\r | |
1333 | Buffer[1] = 0;\r | |
1334 | NewLineSize = 2;\r | |
1335 | } else {\r | |
1336 | Buffer[0] = 0x0a;\r | |
1337 | NewLineSize = 1;\r | |
1338 | }\r | |
1339 | \r | |
1340 | *Size = NewLineSize;\r | |
47d20b54 | 1341 | return;\r |
632820d1 | 1342 | }\r |
47d20b54 | 1343 | \r |
632820d1 | 1344 | //\r |
1345 | // use_crlf: give 0x0d 0x0a\r | |
1346 | //\r | |
1347 | if (Type == NewLineTypeCarriageReturnLineFeed) {\r | |
1348 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
47d20b54 MK |
1349 | Buffer[0] = 0x0d;\r |
1350 | Buffer[1] = 0;\r | |
1351 | Buffer[2] = 0x0a;\r | |
1352 | Buffer[3] = 0;\r | |
632820d1 | 1353 | \r |
1354 | NewLineSize = 4;\r | |
1355 | } else {\r | |
1356 | Buffer[0] = 0x0d;\r | |
1357 | Buffer[1] = 0x0a;\r | |
1358 | NewLineSize = 2;\r | |
1359 | }\r | |
1360 | \r | |
1361 | *Size = NewLineSize;\r | |
47d20b54 | 1362 | return;\r |
632820d1 | 1363 | }\r |
47d20b54 | 1364 | \r |
632820d1 | 1365 | //\r |
1366 | // use_lfcr: give 0x0a 0x0d\r | |
1367 | //\r | |
1368 | if (Type == NewLineTypeLineFeedCarriageReturn) {\r | |
1369 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
47d20b54 MK |
1370 | Buffer[0] = 0x0a;\r |
1371 | Buffer[1] = 0;\r | |
1372 | Buffer[2] = 0x0d;\r | |
1373 | Buffer[3] = 0;\r | |
632820d1 | 1374 | \r |
1375 | NewLineSize = 4;\r | |
1376 | } else {\r | |
1377 | Buffer[0] = 0x0a;\r | |
1378 | Buffer[1] = 0x0d;\r | |
1379 | NewLineSize = 2;\r | |
1380 | }\r | |
1381 | \r | |
1382 | *Size = NewLineSize;\r | |
47d20b54 | 1383 | return;\r |
632820d1 | 1384 | }\r |
632820d1 | 1385 | }\r |
1386 | \r | |
1387 | /**\r | |
1388 | Change a Unicode string to an ASCII string.\r | |
1389 | \r | |
1390 | @param[in] UStr The Unicode string.\r | |
ae724571 | 1391 | @param[in] Length The maximum size of AStr.\r |
632820d1 | 1392 | @param[out] AStr ASCII string to pass out.\r |
1393 | \r | |
1394 | @return The actuall length.\r | |
1395 | **/\r | |
1396 | UINTN\r | |
632820d1 | 1397 | UnicodeToAscii (\r |
47d20b54 MK |
1398 | IN CONST CHAR16 *UStr,\r |
1399 | IN CONST UINTN Length,\r | |
1400 | OUT CHAR8 *AStr\r | |
632820d1 | 1401 | )\r |
1402 | {\r | |
47d20b54 | 1403 | UINTN Index;\r |
632820d1 | 1404 | \r |
1405 | //\r | |
1406 | // just buffer copy, not character copy\r | |
1407 | //\r | |
1408 | for (Index = 0; Index < Length; Index++) {\r | |
47d20b54 | 1409 | *AStr++ = (CHAR8)*UStr++;\r |
632820d1 | 1410 | }\r |
1411 | \r | |
1412 | return Index;\r | |
1413 | }\r | |
1414 | \r | |
1415 | /**\r | |
1416 | Save lines in FileBuffer to disk\r | |
1417 | \r | |
1418 | @param[in] FileName The file name for writing.\r | |
1419 | \r | |
1420 | @retval EFI_SUCCESS Data was written.\r | |
ba0014b9 | 1421 | @retval EFI_LOAD_ERROR\r |
632820d1 | 1422 | @retval EFI_OUT_OF_RESOURCES There were not enough resources to write the file.\r |
1423 | **/\r | |
1424 | EFI_STATUS\r | |
632820d1 | 1425 | FileBufferSave (\r |
47d20b54 | 1426 | IN CONST CHAR16 *FileName\r |
632820d1 | 1427 | )\r |
1428 | {\r | |
47d20b54 MK |
1429 | SHELL_FILE_HANDLE FileHandle;\r |
1430 | LIST_ENTRY *Link;\r | |
1431 | EFI_EDITOR_LINE *Line;\r | |
1432 | CHAR16 *Str;\r | |
632820d1 | 1433 | \r |
47d20b54 MK |
1434 | EFI_STATUS Status;\r |
1435 | UINTN Length;\r | |
1436 | UINTN NumLines;\r | |
1437 | CHAR8 NewLineBuffer[4];\r | |
1438 | UINT8 NewLineSize;\r | |
632820d1 | 1439 | \r |
47d20b54 | 1440 | EFI_FILE_INFO *Info;\r |
632820d1 | 1441 | \r |
47d20b54 | 1442 | UINT64 Attribute;\r |
632820d1 | 1443 | \r |
47d20b54 | 1444 | EE_NEWLINE_TYPE Type;\r |
632820d1 | 1445 | \r |
47d20b54 | 1446 | UINTN TotalSize;\r |
632820d1 | 1447 | //\r |
1448 | // 2M\r | |
1449 | //\r | |
47d20b54 MK |
1450 | CHAR8 *Cache;\r |
1451 | UINTN LeftSize;\r | |
1452 | UINTN Size;\r | |
1453 | CHAR8 *Ptr;\r | |
632820d1 | 1454 | \r |
47d20b54 | 1455 | Length = 0;\r |
632820d1 | 1456 | //\r |
1457 | // 2M\r | |
1458 | //\r | |
1459 | TotalSize = 0x200000;\r | |
1460 | \r | |
1461 | Attribute = 0;\r | |
1462 | \r | |
632820d1 | 1463 | //\r |
1464 | // if is the old file\r | |
1465 | //\r | |
47d20b54 | 1466 | if ((FileBuffer.FileName != NULL) && (StrCmp (FileName, FileBuffer.FileName) == 0)) {\r |
632820d1 | 1467 | //\r |
1468 | // file has not been modified\r | |
1469 | //\r | |
1470 | if (!FileBuffer.FileModified) {\r | |
1471 | return EFI_SUCCESS;\r | |
1472 | }\r | |
1473 | \r | |
1474 | //\r | |
1475 | // if file is read-only, set error\r | |
1476 | //\r | |
1477 | if (FileBuffer.ReadOnly) {\r | |
1478 | StatusBarSetStatusString (L"Read Only File Can Not Be Saved");\r | |
1479 | return EFI_SUCCESS;\r | |
1480 | }\r | |
1481 | }\r | |
1482 | \r | |
1483 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);\r | |
1484 | \r | |
1485 | if (!EFI_ERROR (Status)) {\r | |
47d20b54 | 1486 | Info = ShellGetFileInfo (FileHandle);\r |
632820d1 | 1487 | \r |
47d20b54 | 1488 | if ((Info != NULL) && Info->Attribute & EFI_FILE_DIRECTORY) {\r |
632820d1 | 1489 | StatusBarSetStatusString (L"Directory Can Not Be Saved");\r |
d5e35fdd | 1490 | ShellCloseFile (&FileHandle);\r |
47d20b54 | 1491 | FreePool (Info);\r |
632820d1 | 1492 | return EFI_LOAD_ERROR;\r |
1493 | }\r | |
ba0014b9 | 1494 | \r |
632820d1 | 1495 | if (Info != NULL) {\r |
1496 | Attribute = Info->Attribute & ~EFI_FILE_READ_ONLY;\r | |
47d20b54 | 1497 | FreePool (Info);\r |
632820d1 | 1498 | }\r |
1499 | \r | |
1500 | //\r | |
1501 | // if file exits, so delete it\r | |
1502 | //\r | |
1503 | Status = ShellDeleteFile (&FileHandle);\r | |
47d20b54 | 1504 | if (EFI_ERROR (Status) || (Status == EFI_WARN_DELETE_FAILURE)) {\r |
632820d1 | 1505 | StatusBarSetStatusString (L"Write File Failed");\r |
1506 | return EFI_LOAD_ERROR;\r | |
1507 | }\r | |
47d20b54 | 1508 | }\r |
632820d1 | 1509 | \r |
1510 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, Attribute);\r | |
1511 | \r | |
1512 | if (EFI_ERROR (Status)) {\r | |
1513 | StatusBarSetStatusString (L"Create File Failed");\r | |
1514 | return EFI_LOAD_ERROR;\r | |
1515 | }\r | |
1516 | \r | |
1517 | //\r | |
1518 | // if file is Unicode file, write Unicode header to it.\r | |
1519 | //\r | |
1520 | if (FileBuffer.FileType == FileTypeUnicode) {\r | |
47d20b54 MK |
1521 | Length = 2;\r |
1522 | Status = ShellWriteFile (FileHandle, &Length, (VOID *)&gUnicodeFileTag);\r | |
632820d1 | 1523 | if (EFI_ERROR (Status)) {\r |
1524 | ShellDeleteFile (&FileHandle);\r | |
1525 | return EFI_LOAD_ERROR;\r | |
1526 | }\r | |
1527 | }\r | |
1528 | \r | |
1529 | Cache = AllocateZeroPool (TotalSize);\r | |
1530 | if (Cache == NULL) {\r | |
1531 | ShellDeleteFile (&FileHandle);\r | |
1532 | return EFI_OUT_OF_RESOURCES;\r | |
1533 | }\r | |
1534 | \r | |
1535 | //\r | |
1536 | // write all the lines back to disk\r | |
1537 | //\r | |
47d20b54 MK |
1538 | NumLines = 0;\r |
1539 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
632820d1 | 1540 | \r |
47d20b54 MK |
1541 | Ptr = Cache;\r |
1542 | LeftSize = TotalSize;\r | |
632820d1 | 1543 | \r |
1544 | for (Link = FileBuffer.ListHead->ForwardLink; Link != FileBuffer.ListHead; Link = Link->ForwardLink) {\r | |
1545 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1546 | \r | |
1547 | if (Line->Type != NewLineTypeDefault) {\r | |
1548 | Type = Line->Type;\r | |
1549 | }\r | |
47d20b54 | 1550 | \r |
632820d1 | 1551 | //\r |
1552 | // newline character is at most 4 bytes ( two Unicode characters )\r | |
1553 | //\r | |
1554 | Length = 4;\r | |
47d20b54 | 1555 | if ((Line->Buffer != NULL) && (Line->Size != 0)) {\r |
632820d1 | 1556 | if (FileBuffer.FileType == FileTypeAscii) {\r |
1557 | Length += Line->Size;\r | |
1558 | } else {\r | |
1559 | Length += (Line->Size * 2);\r | |
1560 | }\r | |
47d20b54 | 1561 | \r |
632820d1 | 1562 | //\r |
1563 | // end if FileTypeAscii\r | |
1564 | //\r | |
1565 | }\r | |
1566 | \r | |
1567 | //\r | |
1568 | // no cache room left, so write cache to disk\r | |
1569 | //\r | |
1570 | if (LeftSize < Length) {\r | |
47d20b54 MK |
1571 | Size = TotalSize - LeftSize;\r |
1572 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
632820d1 | 1573 | if (EFI_ERROR (Status)) {\r |
ba0014b9 | 1574 | ShellDeleteFile (&FileHandle);\r |
632820d1 | 1575 | FreePool (Cache);\r |
1576 | return EFI_LOAD_ERROR;\r | |
1577 | }\r | |
47d20b54 MK |
1578 | \r |
1579 | Ptr = Cache;\r | |
1580 | LeftSize = TotalSize;\r | |
632820d1 | 1581 | }\r |
1582 | \r | |
47d20b54 | 1583 | if ((Line->Buffer != NULL) && (Line->Size != 0)) {\r |
632820d1 | 1584 | if (FileBuffer.FileType == FileTypeAscii) {\r |
1585 | UnicodeToAscii (Line->Buffer, Line->Size, Ptr);\r | |
1586 | Length = Line->Size;\r | |
1587 | } else {\r | |
1588 | Length = (Line->Size * 2);\r | |
47d20b54 | 1589 | CopyMem (Ptr, (CHAR8 *)Line->Buffer, Length);\r |
632820d1 | 1590 | }\r |
47d20b54 | 1591 | \r |
632820d1 | 1592 | //\r |
1593 | // end if FileTypeAscii\r | |
1594 | //\r | |
47d20b54 | 1595 | Ptr += Length;\r |
632820d1 | 1596 | LeftSize -= Length;\r |
632820d1 | 1597 | }\r |
47d20b54 | 1598 | \r |
632820d1 | 1599 | //\r |
1600 | // end of if Line -> Buffer != NULL && Line -> Size != 0\r | |
1601 | //\r | |
1602 | // if not the last line , write return buffer to disk\r | |
1603 | //\r | |
1604 | if (Link->ForwardLink != FileBuffer.ListHead) {\r | |
1605 | GetNewLine (Type, NewLineBuffer, &NewLineSize);\r | |
47d20b54 | 1606 | CopyMem (Ptr, (CHAR8 *)NewLineBuffer, NewLineSize);\r |
632820d1 | 1607 | \r |
47d20b54 | 1608 | Ptr += NewLineSize;\r |
632820d1 | 1609 | LeftSize -= NewLineSize;\r |
1610 | }\r | |
1611 | \r | |
1612 | NumLines++;\r | |
1613 | }\r | |
1614 | \r | |
1615 | if (TotalSize != LeftSize) {\r | |
47d20b54 MK |
1616 | Size = TotalSize - LeftSize;\r |
1617 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
632820d1 | 1618 | if (EFI_ERROR (Status)) {\r |
1619 | ShellDeleteFile (&FileHandle);\r | |
1620 | FreePool (Cache);\r | |
1621 | return EFI_LOAD_ERROR;\r | |
1622 | }\r | |
1623 | }\r | |
1624 | \r | |
1625 | FreePool (Cache);\r | |
1626 | \r | |
47d20b54 | 1627 | ShellCloseFile (&FileHandle);\r |
632820d1 | 1628 | \r |
1629 | FileBuffer.FileModified = FALSE;\r | |
1630 | \r | |
1631 | //\r | |
1632 | // set status string\r | |
1633 | //\r | |
2926498f | 1634 | Str = CatSPrint (NULL, L"%d Lines Written", NumLines);\r |
632820d1 | 1635 | if (Str == NULL) {\r |
1636 | return EFI_OUT_OF_RESOURCES;\r | |
1637 | }\r | |
1638 | \r | |
1639 | StatusBarSetStatusString (Str);\r | |
1640 | SHELL_FREE_NON_NULL (Str);\r | |
1641 | \r | |
1642 | //\r | |
1643 | // now everything is ready , you can set the new file name to filebuffer\r | |
1644 | //\r | |
47d20b54 | 1645 | if ((FileName != NULL) && (FileBuffer.FileName != NULL) && (StrCmp (FileName, FileBuffer.FileName) != 0)) {\r |
632820d1 | 1646 | //\r |
1647 | // not the same\r | |
1648 | //\r | |
1649 | FileBufferSetFileName (FileName);\r | |
1650 | if (FileBuffer.FileName == NULL) {\r | |
1651 | ShellDeleteFile (&FileHandle);\r | |
1652 | return EFI_OUT_OF_RESOURCES;\r | |
1653 | }\r | |
1654 | }\r | |
1655 | \r | |
1656 | FileBuffer.ReadOnly = FALSE;\r | |
1657 | return EFI_SUCCESS;\r | |
1658 | }\r | |
1659 | \r | |
1660 | /**\r | |
1661 | Scroll cursor to left 1 character position.\r | |
1662 | \r | |
1663 | @retval EFI_SUCCESS The operation was successful.\r | |
1664 | **/\r | |
1665 | EFI_STATUS\r | |
632820d1 | 1666 | FileBufferScrollLeft (\r |
1667 | VOID\r | |
1668 | )\r | |
1669 | {\r | |
47d20b54 MK |
1670 | EFI_EDITOR_LINE *Line;\r |
1671 | UINTN FRow;\r | |
1672 | UINTN FCol;\r | |
632820d1 | 1673 | \r |
47d20b54 | 1674 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 1675 | \r |
47d20b54 MK |
1676 | FRow = FileBuffer.FilePosition.Row;\r |
1677 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 1678 | \r |
1679 | //\r | |
1680 | // if already at start of this line, so move to the end of previous line\r | |
1681 | //\r | |
1682 | if (FCol <= 1) {\r | |
1683 | //\r | |
1684 | // has previous line\r | |
1685 | //\r | |
1686 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
1687 | FRow--;\r | |
47d20b54 MK |
1688 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r |
1689 | FCol = Line->Size + 1;\r | |
632820d1 | 1690 | } else {\r |
1691 | return EFI_SUCCESS;\r | |
1692 | }\r | |
1693 | } else {\r | |
1694 | //\r | |
1695 | // if not at start of this line, just move to previous column\r | |
1696 | //\r | |
1697 | FCol--;\r | |
1698 | }\r | |
1699 | \r | |
1700 | FileBufferMovePosition (FRow, FCol);\r | |
1701 | \r | |
1702 | return EFI_SUCCESS;\r | |
1703 | }\r | |
1704 | \r | |
1705 | /**\r | |
1706 | Delete a char in line\r | |
1707 | \r | |
4ff7e37b ED |
1708 | @param[in, out] Line The line to delete in.\r |
1709 | @param[in] Pos Position to delete the char at ( start from 0 ).\r | |
632820d1 | 1710 | **/\r |
1711 | VOID\r | |
632820d1 | 1712 | LineDeleteAt (\r |
47d20b54 MK |
1713 | IN OUT EFI_EDITOR_LINE *Line,\r |
1714 | IN UINTN Pos\r | |
632820d1 | 1715 | )\r |
1716 | {\r | |
47d20b54 | 1717 | UINTN Index;\r |
632820d1 | 1718 | \r |
1719 | //\r | |
1720 | // move the latter characters front\r | |
1721 | //\r | |
1722 | for (Index = Pos - 1; Index < Line->Size; Index++) {\r | |
1723 | Line->Buffer[Index] = Line->Buffer[Index + 1];\r | |
1724 | }\r | |
1725 | \r | |
1726 | Line->Size--;\r | |
1727 | }\r | |
1728 | \r | |
1729 | /**\r | |
1730 | Concatenate Src into Dest.\r | |
1731 | \r | |
4ff7e37b ED |
1732 | @param[in, out] Dest Destination string\r |
1733 | @param[in] Src Src String.\r | |
632820d1 | 1734 | **/\r |
1735 | VOID\r | |
632820d1 | 1736 | LineCat (\r |
47d20b54 MK |
1737 | IN OUT EFI_EDITOR_LINE *Dest,\r |
1738 | IN EFI_EDITOR_LINE *Src\r | |
632820d1 | 1739 | )\r |
1740 | {\r | |
1741 | CHAR16 *Str;\r | |
1742 | UINTN Size;\r | |
1743 | \r | |
47d20b54 | 1744 | Size = Dest->Size;\r |
632820d1 | 1745 | \r |
47d20b54 | 1746 | Dest->Buffer[Size] = 0;\r |
632820d1 | 1747 | \r |
1748 | //\r | |
1749 | // concatenate the two strings\r | |
1750 | //\r | |
1751 | Str = CatSPrint (NULL, L"%s%s", Dest->Buffer, Src->Buffer);\r | |
1752 | if (Str == NULL) {\r | |
1753 | Dest->Buffer = NULL;\r | |
47d20b54 | 1754 | return;\r |
632820d1 | 1755 | }\r |
1756 | \r | |
1757 | Dest->Size = Size + Src->Size;\r | |
1758 | Dest->TotalSize = Dest->Size;\r | |
1759 | \r | |
1760 | FreePool (Dest->Buffer);\r | |
1761 | FreePool (Src->Buffer);\r | |
1762 | \r | |
1763 | //\r | |
1764 | // put str to dest->buffer\r | |
1765 | //\r | |
1766 | Dest->Buffer = Str;\r | |
1767 | }\r | |
1768 | \r | |
1769 | /**\r | |
1770 | Delete the previous character.\r | |
1771 | \r | |
1772 | @retval EFI_SUCCESS The delete was successful.\r | |
1773 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1774 | **/\r | |
1775 | EFI_STATUS\r | |
632820d1 | 1776 | FileBufferDoBackspace (\r |
1777 | VOID\r | |
1778 | )\r | |
1779 | {\r | |
47d20b54 MK |
1780 | EFI_EDITOR_LINE *Line;\r |
1781 | EFI_EDITOR_LINE *End;\r | |
1782 | LIST_ENTRY *Link;\r | |
1783 | UINTN FileColumn;\r | |
632820d1 | 1784 | \r |
47d20b54 | 1785 | FileColumn = FileBuffer.FilePosition.Column;\r |
632820d1 | 1786 | \r |
47d20b54 | 1787 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 1788 | \r |
1789 | //\r | |
1790 | // the first column\r | |
1791 | //\r | |
1792 | if (FileColumn == 1) {\r | |
1793 | //\r | |
1794 | // the first row\r | |
1795 | //\r | |
1796 | if (FileBuffer.FilePosition.Row == 1) {\r | |
1797 | return EFI_SUCCESS;\r | |
1798 | }\r | |
1799 | \r | |
1800 | FileBufferScrollLeft ();\r | |
1801 | \r | |
47d20b54 MK |
1802 | Line = FileBuffer.CurrentLine;\r |
1803 | Link = Line->Link.ForwardLink;\r | |
1804 | End = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
632820d1 | 1805 | \r |
1806 | //\r | |
1807 | // concatenate this line with previous line\r | |
1808 | //\r | |
1809 | LineCat (Line, End);\r | |
1810 | if (Line->Buffer == NULL) {\r | |
1811 | return EFI_OUT_OF_RESOURCES;\r | |
1812 | }\r | |
47d20b54 | 1813 | \r |
632820d1 | 1814 | //\r |
1815 | // remove End from line list\r | |
1816 | //\r | |
1817 | RemoveEntryList (&End->Link);\r | |
1818 | FreePool (End);\r | |
1819 | \r | |
1820 | FileBuffer.NumLines--;\r | |
1821 | \r | |
1822 | FileBufferNeedRefresh = TRUE;\r | |
1823 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
632820d1 | 1824 | } else {\r |
1825 | //\r | |
1826 | // just delete the previous character\r | |
1827 | //\r | |
1828 | LineDeleteAt (Line, FileColumn - 1);\r | |
1829 | FileBufferScrollLeft ();\r | |
1830 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1831 | }\r | |
1832 | \r | |
1833 | if (!FileBuffer.FileModified) {\r | |
1834 | FileBuffer.FileModified = TRUE;\r | |
1835 | }\r | |
1836 | \r | |
1837 | return EFI_SUCCESS;\r | |
1838 | }\r | |
1839 | \r | |
1840 | /**\r | |
1841 | Add a return into line at current position.\r | |
1842 | \r | |
1843 | @retval EFI_SUCCESS The insetrion of the character was successful.\r | |
1844 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1845 | **/\r | |
1846 | EFI_STATUS\r | |
632820d1 | 1847 | FileBufferDoReturn (\r |
1848 | VOID\r | |
1849 | )\r | |
1850 | {\r | |
47d20b54 MK |
1851 | EFI_EDITOR_LINE *Line;\r |
1852 | EFI_EDITOR_LINE *NewLine;\r | |
1853 | UINTN FileColumn;\r | |
1854 | UINTN Index;\r | |
1855 | CHAR16 *Buffer;\r | |
1856 | UINTN Row;\r | |
1857 | UINTN Col;\r | |
632820d1 | 1858 | \r |
1859 | FileBufferNeedRefresh = TRUE;\r | |
1860 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1861 | \r | |
47d20b54 | 1862 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 1863 | \r |
47d20b54 | 1864 | FileColumn = FileBuffer.FilePosition.Column;\r |
632820d1 | 1865 | \r |
47d20b54 | 1866 | NewLine = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r |
632820d1 | 1867 | if (NewLine == NULL) {\r |
1868 | return EFI_OUT_OF_RESOURCES;\r | |
1869 | }\r | |
1870 | \r | |
47d20b54 MK |
1871 | NewLine->Signature = LINE_LIST_SIGNATURE;\r |
1872 | NewLine->Size = Line->Size - FileColumn + 1;\r | |
1873 | NewLine->TotalSize = NewLine->Size;\r | |
1874 | NewLine->Buffer = CatSPrint (NULL, L"\0");\r | |
632820d1 | 1875 | if (NewLine->Buffer == NULL) {\r |
1876 | return EFI_OUT_OF_RESOURCES;\r | |
1877 | }\r | |
1878 | \r | |
1879 | NewLine->Type = NewLineTypeDefault;\r | |
1880 | \r | |
1881 | if (NewLine->Size > 0) {\r | |
1882 | //\r | |
1883 | // UNICODE + CHAR_NULL\r | |
1884 | //\r | |
1885 | Buffer = AllocateZeroPool (2 * (NewLine->Size + 1));\r | |
1886 | if (Buffer == NULL) {\r | |
1887 | FreePool (NewLine->Buffer);\r | |
1888 | FreePool (NewLine);\r | |
1889 | return EFI_OUT_OF_RESOURCES;\r | |
1890 | }\r | |
1891 | \r | |
1892 | FreePool (NewLine->Buffer);\r | |
1893 | \r | |
1894 | NewLine->Buffer = Buffer;\r | |
1895 | \r | |
1896 | for (Index = 0; Index < NewLine->Size; Index++) {\r | |
1897 | NewLine->Buffer[Index] = Line->Buffer[Index + FileColumn - 1];\r | |
1898 | }\r | |
1899 | \r | |
47d20b54 | 1900 | NewLine->Buffer[NewLine->Size] = CHAR_NULL;\r |
632820d1 | 1901 | \r |
47d20b54 MK |
1902 | Line->Buffer[FileColumn - 1] = CHAR_NULL;\r |
1903 | Line->Size = FileColumn - 1;\r | |
632820d1 | 1904 | }\r |
47d20b54 | 1905 | \r |
632820d1 | 1906 | //\r |
1907 | // increase NumLines\r | |
1908 | //\r | |
1909 | FileBuffer.NumLines++;\r | |
1910 | \r | |
1911 | //\r | |
1912 | // insert it into the correct position of line list\r | |
1913 | //\r | |
47d20b54 MK |
1914 | NewLine->Link.BackLink = &(Line->Link);\r |
1915 | NewLine->Link.ForwardLink = Line->Link.ForwardLink;\r | |
632820d1 | 1916 | Line->Link.ForwardLink->BackLink = &(NewLine->Link);\r |
47d20b54 | 1917 | Line->Link.ForwardLink = &(NewLine->Link);\r |
632820d1 | 1918 | \r |
1919 | //\r | |
1920 | // move cursor to the start of next line\r | |
1921 | //\r | |
1922 | Row = FileBuffer.FilePosition.Row + 1;\r | |
1923 | Col = 1;\r | |
1924 | \r | |
1925 | FileBufferMovePosition (Row, Col);\r | |
1926 | \r | |
1927 | //\r | |
1928 | // set file is modified\r | |
1929 | //\r | |
1930 | if (!FileBuffer.FileModified) {\r | |
1931 | FileBuffer.FileModified = TRUE;\r | |
1932 | }\r | |
1933 | \r | |
1934 | return EFI_SUCCESS;\r | |
1935 | }\r | |
1936 | \r | |
1937 | /**\r | |
ba0014b9 | 1938 | Delete current character from current line. This is the effect caused\r |
632820d1 | 1939 | by the 'del' key.\r |
1940 | \r | |
1941 | @retval EFI_SUCCESS\r | |
1942 | **/\r | |
1943 | EFI_STATUS\r | |
632820d1 | 1944 | FileBufferDoDelete (\r |
1945 | VOID\r | |
1946 | )\r | |
1947 | {\r | |
47d20b54 MK |
1948 | EFI_EDITOR_LINE *Line;\r |
1949 | EFI_EDITOR_LINE *Next;\r | |
1950 | LIST_ENTRY *Link;\r | |
1951 | UINTN FileColumn;\r | |
632820d1 | 1952 | \r |
47d20b54 MK |
1953 | Line = FileBuffer.CurrentLine;\r |
1954 | FileColumn = FileBuffer.FilePosition.Column;\r | |
632820d1 | 1955 | \r |
1956 | //\r | |
1957 | // the last column\r | |
1958 | //\r | |
1959 | if (FileColumn >= Line->Size + 1) {\r | |
1960 | //\r | |
1961 | // the last line\r | |
1962 | //\r | |
1963 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
1964 | return EFI_SUCCESS;\r | |
1965 | }\r | |
47d20b54 | 1966 | \r |
632820d1 | 1967 | //\r |
1968 | // since last character,\r | |
1969 | // so will add the next line to this line\r | |
1970 | //\r | |
47d20b54 MK |
1971 | Link = Line->Link.ForwardLink;\r |
1972 | Next = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
632820d1 | 1973 | LineCat (Line, Next);\r |
1974 | if (Line->Buffer == NULL) {\r | |
1975 | return EFI_OUT_OF_RESOURCES;\r | |
1976 | }\r | |
1977 | \r | |
1978 | RemoveEntryList (&Next->Link);\r | |
1979 | FreePool (Next);\r | |
1980 | \r | |
1981 | FileBuffer.NumLines--;\r | |
1982 | \r | |
1983 | FileBufferNeedRefresh = TRUE;\r | |
1984 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
632820d1 | 1985 | } else {\r |
1986 | //\r | |
1987 | // just delete current character\r | |
1988 | //\r | |
1989 | LineDeleteAt (Line, FileColumn);\r | |
1990 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1991 | }\r | |
1992 | \r | |
1993 | if (!FileBuffer.FileModified) {\r | |
1994 | FileBuffer.FileModified = TRUE;\r | |
1995 | }\r | |
1996 | \r | |
1997 | return EFI_SUCCESS;\r | |
1998 | }\r | |
1999 | \r | |
2000 | /**\r | |
2001 | Scroll cursor to right 1 character.\r | |
2002 | \r | |
2003 | @retval EFI_SUCCESS The operation was successful.\r | |
2004 | **/\r | |
2005 | EFI_STATUS\r | |
632820d1 | 2006 | FileBufferScrollRight (\r |
2007 | VOID\r | |
2008 | )\r | |
2009 | {\r | |
47d20b54 MK |
2010 | EFI_EDITOR_LINE *Line;\r |
2011 | UINTN FRow;\r | |
2012 | UINTN FCol;\r | |
632820d1 | 2013 | \r |
2014 | Line = FileBuffer.CurrentLine;\r | |
2015 | if (Line->Buffer == NULL) {\r | |
2016 | return EFI_SUCCESS;\r | |
2017 | }\r | |
2018 | \r | |
47d20b54 MK |
2019 | FRow = FileBuffer.FilePosition.Row;\r |
2020 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 2021 | \r |
2022 | //\r | |
2023 | // if already at end of this line, scroll it to the start of next line\r | |
2024 | //\r | |
2025 | if (FCol > Line->Size) {\r | |
2026 | //\r | |
2027 | // has next line\r | |
2028 | //\r | |
2029 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2030 | FRow++;\r | |
2031 | FCol = 1;\r | |
2032 | } else {\r | |
2033 | return EFI_SUCCESS;\r | |
2034 | }\r | |
2035 | } else {\r | |
2036 | //\r | |
2037 | // if not at end of this line, just move to next column\r | |
2038 | //\r | |
2039 | FCol++;\r | |
2040 | }\r | |
2041 | \r | |
2042 | FileBufferMovePosition (FRow, FCol);\r | |
2043 | \r | |
2044 | return EFI_SUCCESS;\r | |
2045 | }\r | |
2046 | \r | |
2047 | /**\r | |
2048 | Insert a char into line\r | |
2049 | \r | |
ba0014b9 | 2050 | \r |
632820d1 | 2051 | @param[in] Line The line to insert into.\r |
2052 | @param[in] Char The char to insert.\r | |
2053 | @param[in] Pos The position to insert the char at ( start from 0 ).\r | |
2054 | @param[in] StrSize The current string size ( include CHAR_NULL ),unit is Unicode character.\r | |
2055 | \r | |
2056 | @return The new string size ( include CHAR_NULL ) ( unit is Unicode character ).\r | |
2057 | **/\r | |
2058 | UINTN\r | |
632820d1 | 2059 | LineStrInsert (\r |
2060 | IN EFI_EDITOR_LINE *Line,\r | |
2061 | IN CHAR16 Char,\r | |
2062 | IN UINTN Pos,\r | |
2063 | IN UINTN StrSize\r | |
2064 | )\r | |
2065 | {\r | |
2066 | UINTN Index;\r | |
2067 | CHAR16 *TempStringPtr;\r | |
2068 | CHAR16 *Str;\r | |
2069 | \r | |
2070 | Index = (StrSize) * 2;\r | |
2071 | \r | |
47d20b54 | 2072 | Str = Line->Buffer;\r |
632820d1 | 2073 | \r |
2074 | //\r | |
2075 | // do not have free space\r | |
2076 | //\r | |
2077 | if (Line->TotalSize <= Line->Size) {\r | |
2078 | Str = ReallocatePool (Index, Index + 16, Str);\r | |
2079 | if (Str == NULL) {\r | |
2080 | return 0;\r | |
2081 | }\r | |
2082 | \r | |
2083 | Line->TotalSize += 8;\r | |
2084 | }\r | |
47d20b54 | 2085 | \r |
632820d1 | 2086 | //\r |
2087 | // move the later part of the string one character right\r | |
2088 | //\r | |
2089 | TempStringPtr = Str;\r | |
2090 | for (Index = StrSize; Index > Pos; Index--) {\r | |
2091 | TempStringPtr[Index] = TempStringPtr[Index - 1];\r | |
2092 | }\r | |
47d20b54 | 2093 | \r |
632820d1 | 2094 | //\r |
2095 | // insert char into it.\r | |
2096 | //\r | |
47d20b54 | 2097 | TempStringPtr[Index] = Char;\r |
632820d1 | 2098 | \r |
47d20b54 | 2099 | Line->Buffer = Str;\r |
632820d1 | 2100 | Line->Size++;\r |
2101 | \r | |
2102 | return StrSize + 1;\r | |
2103 | }\r | |
2104 | \r | |
2105 | /**\r | |
2106 | Add a character to the current line.\r | |
2107 | \r | |
2108 | @param[in] Char The Character to input.\r | |
2109 | \r | |
2110 | @retval EFI_SUCCESS The input was succesful.\r | |
2111 | **/\r | |
2112 | EFI_STATUS\r | |
632820d1 | 2113 | FileBufferAddChar (\r |
2114 | IN CHAR16 Char\r | |
2115 | )\r | |
2116 | {\r | |
47d20b54 MK |
2117 | EFI_EDITOR_LINE *Line;\r |
2118 | UINTN FilePos;\r | |
632820d1 | 2119 | \r |
2120 | Line = FileBuffer.CurrentLine;\r | |
2121 | \r | |
2122 | //\r | |
2123 | // only needs to refresh current line\r | |
2124 | //\r | |
2125 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
2126 | \r | |
2127 | //\r | |
2128 | // when is insert mode, or cursor is at end of this line,\r | |
2129 | // so insert this character\r | |
2130 | // or replace the character.\r | |
2131 | //\r | |
2132 | FilePos = FileBuffer.FilePosition.Column - 1;\r | |
47d20b54 | 2133 | if (FileBuffer.ModeInsert || (FilePos + 1 > Line->Size)) {\r |
632820d1 | 2134 | LineStrInsert (Line, Char, FilePos, Line->Size + 1);\r |
2135 | } else {\r | |
2136 | Line->Buffer[FilePos] = Char;\r | |
2137 | }\r | |
47d20b54 | 2138 | \r |
632820d1 | 2139 | //\r |
2140 | // move cursor to right\r | |
2141 | //\r | |
2142 | FileBufferScrollRight ();\r | |
2143 | \r | |
2144 | if (!FileBuffer.FileModified) {\r | |
2145 | FileBuffer.FileModified = TRUE;\r | |
2146 | }\r | |
2147 | \r | |
2148 | return EFI_SUCCESS;\r | |
2149 | }\r | |
2150 | \r | |
2151 | /**\r | |
2152 | Handles inputs from characters (ASCII key + Backspace + return)\r | |
2153 | \r | |
2154 | @param[in] Char The input character.\r | |
2155 | \r | |
2156 | @retval EFI_SUCCESS The operation was successful.\r | |
2157 | @retval EFI_LOAD_ERROR There was an error.\r | |
2158 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2159 | **/\r | |
2160 | EFI_STATUS\r | |
632820d1 | 2161 | FileBufferDoCharInput (\r |
47d20b54 | 2162 | IN CONST CHAR16 Char\r |
632820d1 | 2163 | )\r |
2164 | {\r | |
2165 | EFI_STATUS Status;\r | |
2166 | \r | |
2167 | Status = EFI_SUCCESS;\r | |
2168 | \r | |
2169 | switch (Char) {\r | |
47d20b54 MK |
2170 | case CHAR_NULL:\r |
2171 | break;\r | |
632820d1 | 2172 | \r |
47d20b54 MK |
2173 | case CHAR_BACKSPACE:\r |
2174 | Status = FileBufferDoBackspace ();\r | |
2175 | break;\r | |
632820d1 | 2176 | \r |
47d20b54 MK |
2177 | case CHAR_TAB:\r |
2178 | //\r | |
2179 | // Tabs are ignored\r | |
2180 | //\r | |
2181 | break;\r | |
632820d1 | 2182 | \r |
47d20b54 MK |
2183 | case CHAR_LINEFEED:\r |
2184 | case CHAR_CARRIAGE_RETURN:\r | |
2185 | Status = FileBufferDoReturn ();\r | |
2186 | break;\r | |
632820d1 | 2187 | \r |
47d20b54 MK |
2188 | default:\r |
2189 | //\r | |
2190 | // DEAL WITH ASCII CHAR, filter out thing like ctrl+f\r | |
2191 | //\r | |
2192 | if ((Char > 127) || (Char < 32)) {\r | |
2193 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2194 | } else {\r | |
2195 | Status = FileBufferAddChar (Char);\r | |
2196 | }\r | |
632820d1 | 2197 | \r |
47d20b54 | 2198 | break;\r |
632820d1 | 2199 | }\r |
2200 | \r | |
2201 | return Status;\r | |
2202 | }\r | |
2203 | \r | |
2204 | /**\r | |
2205 | Scroll cursor to the next line.\r | |
2206 | \r | |
2207 | @retval EFI_SUCCESS The operation was successful.\r | |
2208 | **/\r | |
2209 | EFI_STATUS\r | |
632820d1 | 2210 | FileBufferScrollDown (\r |
2211 | VOID\r | |
2212 | )\r | |
2213 | {\r | |
47d20b54 MK |
2214 | EFI_EDITOR_LINE *Line;\r |
2215 | UINTN FRow;\r | |
2216 | UINTN FCol;\r | |
632820d1 | 2217 | \r |
2218 | Line = FileBuffer.CurrentLine;\r | |
2219 | if (Line->Buffer == NULL) {\r | |
2220 | return EFI_SUCCESS;\r | |
2221 | }\r | |
2222 | \r | |
47d20b54 MK |
2223 | FRow = FileBuffer.FilePosition.Row;\r |
2224 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 2225 | \r |
2226 | //\r | |
2227 | // has next line\r | |
2228 | //\r | |
2229 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2230 | FRow++;\r | |
2231 | Line = CR (Line->Link.ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2232 | \r | |
2233 | //\r | |
2234 | // if the next line is not that long, so move to end of next line\r | |
2235 | //\r | |
2236 | if (FCol > Line->Size) {\r | |
2237 | FCol = Line->Size + 1;\r | |
2238 | }\r | |
632820d1 | 2239 | } else {\r |
2240 | return EFI_SUCCESS;\r | |
2241 | }\r | |
2242 | \r | |
2243 | FileBufferMovePosition (FRow, FCol);\r | |
2244 | \r | |
2245 | return EFI_SUCCESS;\r | |
2246 | }\r | |
2247 | \r | |
2248 | /**\r | |
2249 | Scroll the cursor to previous line.\r | |
2250 | \r | |
2251 | @retval EFI_SUCCESS The operation was successful.\r | |
2252 | **/\r | |
2253 | EFI_STATUS\r | |
632820d1 | 2254 | FileBufferScrollUp (\r |
2255 | VOID\r | |
2256 | )\r | |
2257 | {\r | |
47d20b54 MK |
2258 | EFI_EDITOR_LINE *Line;\r |
2259 | UINTN FRow;\r | |
2260 | UINTN FCol;\r | |
632820d1 | 2261 | \r |
47d20b54 | 2262 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 2263 | \r |
47d20b54 MK |
2264 | FRow = FileBuffer.FilePosition.Row;\r |
2265 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 2266 | \r |
2267 | //\r | |
2268 | // has previous line\r | |
2269 | //\r | |
2270 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
2271 | FRow--;\r | |
2272 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2273 | \r | |
2274 | //\r | |
2275 | // if previous line is not that long, so move to the end of previous line\r | |
2276 | //\r | |
2277 | if (FCol > Line->Size) {\r | |
2278 | FCol = Line->Size + 1;\r | |
2279 | }\r | |
632820d1 | 2280 | } else {\r |
2281 | return EFI_SUCCESS;\r | |
2282 | }\r | |
2283 | \r | |
2284 | FileBufferMovePosition (FRow, FCol);\r | |
2285 | \r | |
2286 | return EFI_SUCCESS;\r | |
2287 | }\r | |
2288 | \r | |
2289 | /**\r | |
2290 | Scroll cursor to next page.\r | |
2291 | \r | |
2292 | @retval EFI_SUCCESS The operation wa successful.\r | |
2293 | **/\r | |
2294 | EFI_STATUS\r | |
632820d1 | 2295 | FileBufferPageDown (\r |
2296 | VOID\r | |
2297 | )\r | |
2298 | {\r | |
47d20b54 MK |
2299 | EFI_EDITOR_LINE *Line;\r |
2300 | UINTN FRow;\r | |
2301 | UINTN FCol;\r | |
2302 | UINTN Gap;\r | |
632820d1 | 2303 | \r |
47d20b54 | 2304 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 2305 | \r |
47d20b54 MK |
2306 | FRow = FileBuffer.FilePosition.Row;\r |
2307 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 2308 | \r |
2309 | //\r | |
2310 | // has next page\r | |
2311 | //\r | |
5a2beb74 | 2312 | if (FileBuffer.NumLines >= FRow + (MainEditor.ScreenSize.Row - 2)) {\r |
2313 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2314 | } else {\r |
2315 | //\r | |
2316 | // MOVE CURSOR TO LAST LINE\r | |
2317 | //\r | |
2318 | Gap = FileBuffer.NumLines - FRow;\r | |
2319 | }\r | |
47d20b54 | 2320 | \r |
632820d1 | 2321 | //\r |
2322 | // get correct line\r | |
2323 | //\r | |
2324 | Line = MoveLine (Gap);\r | |
2325 | \r | |
2326 | //\r | |
2327 | // if that line, is not that long, so move to the end of that line\r | |
2328 | //\r | |
47d20b54 | 2329 | if ((Line != NULL) && (FCol > Line->Size)) {\r |
632820d1 | 2330 | FCol = Line->Size + 1;\r |
2331 | }\r | |
2332 | \r | |
2333 | FRow += Gap;\r | |
2334 | \r | |
2335 | FileBufferMovePosition (FRow, FCol);\r | |
2336 | \r | |
2337 | return EFI_SUCCESS;\r | |
2338 | }\r | |
2339 | \r | |
2340 | /**\r | |
2341 | Scroll cursor to previous screen.\r | |
2342 | \r | |
2343 | @retval EFI_SUCCESS The operation was successful.\r | |
2344 | **/\r | |
2345 | EFI_STATUS\r | |
632820d1 | 2346 | FileBufferPageUp (\r |
2347 | VOID\r | |
2348 | )\r | |
2349 | {\r | |
47d20b54 MK |
2350 | EFI_EDITOR_LINE *Line;\r |
2351 | UINTN FRow;\r | |
2352 | UINTN FCol;\r | |
2353 | UINTN Gap;\r | |
2354 | INTN Retreat;\r | |
632820d1 | 2355 | \r |
47d20b54 | 2356 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 2357 | \r |
47d20b54 MK |
2358 | FRow = FileBuffer.FilePosition.Row;\r |
2359 | FCol = FileBuffer.FilePosition.Column;\r | |
632820d1 | 2360 | \r |
2361 | //\r | |
2362 | // has previous page\r | |
2363 | //\r | |
5a2beb74 | 2364 | if (FRow > (MainEditor.ScreenSize.Row - 2)) {\r |
2365 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2366 | } else {\r |
2367 | //\r | |
2368 | // the first line of file will displayed on the first line of screen\r | |
2369 | //\r | |
2370 | Gap = FRow - 1;\r | |
2371 | }\r | |
2372 | \r | |
2373 | Retreat = Gap;\r | |
2374 | Retreat = -Retreat;\r | |
2375 | \r | |
2376 | //\r | |
2377 | // get correct line\r | |
2378 | //\r | |
2379 | Line = MoveLine (Retreat);\r | |
2380 | \r | |
2381 | //\r | |
2382 | // if that line is not that long, so move to the end of that line\r | |
2383 | //\r | |
47d20b54 | 2384 | if ((Line != NULL) && (FCol > Line->Size)) {\r |
632820d1 | 2385 | FCol = Line->Size + 1;\r |
2386 | }\r | |
2387 | \r | |
2388 | FRow -= Gap;\r | |
2389 | \r | |
2390 | FileBufferMovePosition (FRow, FCol);\r | |
2391 | \r | |
2392 | return EFI_SUCCESS;\r | |
2393 | }\r | |
2394 | \r | |
2395 | /**\r | |
2396 | Scroll cursor to end of the current line.\r | |
2397 | \r | |
2398 | @retval EFI_SUCCESS The operation was successful.\r | |
2399 | **/\r | |
2400 | EFI_STATUS\r | |
632820d1 | 2401 | FileBufferEnd (\r |
2402 | VOID\r | |
2403 | )\r | |
2404 | {\r | |
47d20b54 MK |
2405 | EFI_EDITOR_LINE *Line;\r |
2406 | UINTN FRow;\r | |
2407 | UINTN FCol;\r | |
632820d1 | 2408 | \r |
47d20b54 | 2409 | Line = FileBuffer.CurrentLine;\r |
632820d1 | 2410 | \r |
47d20b54 | 2411 | FRow = FileBuffer.FilePosition.Row;\r |
632820d1 | 2412 | \r |
2413 | //\r | |
2414 | // goto the last column of the line\r | |
2415 | //\r | |
2416 | FCol = Line->Size + 1;\r | |
2417 | \r | |
2418 | FileBufferMovePosition (FRow, FCol);\r | |
2419 | \r | |
2420 | return EFI_SUCCESS;\r | |
2421 | }\r | |
2422 | \r | |
ba0014b9 | 2423 | /**\r |
632820d1 | 2424 | Dispatch input to different handler\r |
2425 | @param[in] Key The input key. One of:\r | |
2426 | ASCII KEY\r | |
2427 | Backspace/Delete\r | |
2428 | Return\r | |
2429 | Direction key: up/down/left/right/pgup/pgdn\r | |
2430 | Home/End\r | |
2431 | INS\r | |
2432 | \r | |
2433 | @retval EFI_SUCCESS The dispatch was done successfully.\r | |
2434 | @retval EFI_LOAD_ERROR The dispatch was not successful.\r | |
2435 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2436 | **/\r | |
2437 | EFI_STATUS\r | |
632820d1 | 2438 | FileBufferHandleInput (\r |
47d20b54 | 2439 | IN CONST EFI_INPUT_KEY *Key\r |
632820d1 | 2440 | )\r |
2441 | {\r | |
2442 | EFI_STATUS Status;\r | |
2443 | \r | |
2444 | Status = EFI_SUCCESS;\r | |
2445 | \r | |
2446 | switch (Key->ScanCode) {\r | |
47d20b54 MK |
2447 | //\r |
2448 | // ordinary key input\r | |
2449 | //\r | |
2450 | case SCAN_NULL:\r | |
2451 | if (!FileBuffer.ReadOnly) {\r | |
2452 | Status = FileBufferDoCharInput (Key->UnicodeChar);\r | |
2453 | } else {\r | |
2454 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2455 | }\r | |
632820d1 | 2456 | \r |
47d20b54 | 2457 | break;\r |
632820d1 | 2458 | \r |
47d20b54 MK |
2459 | //\r |
2460 | // up arrow\r | |
2461 | //\r | |
2462 | case SCAN_UP:\r | |
2463 | Status = FileBufferScrollUp ();\r | |
2464 | break;\r | |
632820d1 | 2465 | \r |
47d20b54 MK |
2466 | //\r |
2467 | // down arrow\r | |
2468 | //\r | |
2469 | case SCAN_DOWN:\r | |
2470 | Status = FileBufferScrollDown ();\r | |
2471 | break;\r | |
632820d1 | 2472 | \r |
47d20b54 MK |
2473 | //\r |
2474 | // right arrow\r | |
2475 | //\r | |
2476 | case SCAN_RIGHT:\r | |
2477 | Status = FileBufferScrollRight ();\r | |
2478 | break;\r | |
632820d1 | 2479 | \r |
47d20b54 MK |
2480 | //\r |
2481 | // left arrow\r | |
2482 | //\r | |
2483 | case SCAN_LEFT:\r | |
2484 | Status = FileBufferScrollLeft ();\r | |
2485 | break;\r | |
632820d1 | 2486 | \r |
47d20b54 MK |
2487 | //\r |
2488 | // page up\r | |
2489 | //\r | |
2490 | case SCAN_PAGE_UP:\r | |
2491 | Status = FileBufferPageUp ();\r | |
2492 | break;\r | |
632820d1 | 2493 | \r |
47d20b54 MK |
2494 | //\r |
2495 | // page down\r | |
2496 | //\r | |
2497 | case SCAN_PAGE_DOWN:\r | |
2498 | Status = FileBufferPageDown ();\r | |
2499 | break;\r | |
632820d1 | 2500 | \r |
47d20b54 MK |
2501 | //\r |
2502 | // delete\r | |
2503 | //\r | |
2504 | case SCAN_DELETE:\r | |
2505 | if (!FileBuffer.ReadOnly) {\r | |
2506 | Status = FileBufferDoDelete ();\r | |
2507 | } else {\r | |
2508 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2509 | }\r | |
632820d1 | 2510 | \r |
47d20b54 | 2511 | break;\r |
632820d1 | 2512 | \r |
47d20b54 MK |
2513 | //\r |
2514 | // home\r | |
2515 | //\r | |
2516 | case SCAN_HOME:\r | |
2517 | FileBufferMovePosition (FileBuffer.FilePosition.Row, 1);\r | |
2518 | Status = EFI_SUCCESS;\r | |
2519 | break;\r | |
632820d1 | 2520 | \r |
47d20b54 MK |
2521 | //\r |
2522 | // end\r | |
2523 | //\r | |
2524 | case SCAN_END:\r | |
2525 | Status = FileBufferEnd ();\r | |
2526 | break;\r | |
632820d1 | 2527 | \r |
47d20b54 MK |
2528 | //\r |
2529 | // insert\r | |
2530 | //\r | |
2531 | case SCAN_INSERT:\r | |
2532 | FileBuffer.ModeInsert = (BOOLEAN) !FileBuffer.ModeInsert;\r | |
2533 | Status = EFI_SUCCESS;\r | |
2534 | break;\r | |
632820d1 | 2535 | \r |
47d20b54 MK |
2536 | default:\r |
2537 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2538 | break;\r | |
632820d1 | 2539 | }\r |
2540 | \r | |
2541 | return Status;\r | |
2542 | }\r | |
2543 | \r | |
2544 | /**\r | |
2545 | Check user specified FileRow is above current screen.\r | |
2546 | \r | |
2547 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2548 | \r | |
2549 | @retval TRUE It is above the current screen.\r | |
2550 | @retval FALSE It is not above the current screen.\r | |
2551 | **/\r | |
2552 | BOOLEAN\r | |
632820d1 | 2553 | AboveCurrentScreen (\r |
47d20b54 | 2554 | IN UINTN FileRow\r |
632820d1 | 2555 | )\r |
2556 | {\r | |
2557 | //\r | |
2558 | // if is to the above of the screen\r | |
2559 | //\r | |
2560 | if (FileRow < FileBuffer.LowVisibleRange.Row) {\r | |
2561 | return TRUE;\r | |
2562 | }\r | |
2563 | \r | |
2564 | return FALSE;\r | |
2565 | }\r | |
2566 | \r | |
2567 | /**\r | |
2568 | Check user specified FileRow is under current screen.\r | |
2569 | \r | |
2570 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2571 | \r | |
2572 | @retval TRUE It is under the current screen.\r | |
2573 | @retval FALSE It is not under the current screen.\r | |
2574 | **/\r | |
2575 | BOOLEAN\r | |
632820d1 | 2576 | UnderCurrentScreen (\r |
47d20b54 | 2577 | IN UINTN FileRow\r |
632820d1 | 2578 | )\r |
2579 | {\r | |
2580 | //\r | |
2581 | // if is to the under of the screen\r | |
2582 | //\r | |
5a2beb74 | 2583 | if (FileRow > FileBuffer.LowVisibleRange.Row + (MainEditor.ScreenSize.Row - 2) - 1) {\r |
632820d1 | 2584 | return TRUE;\r |
2585 | }\r | |
2586 | \r | |
2587 | return FALSE;\r | |
2588 | }\r | |
2589 | \r | |
2590 | /**\r | |
2591 | Check user specified FileCol is left to current screen.\r | |
2592 | \r | |
2593 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2594 | \r | |
2595 | @retval TRUE It is to the left.\r | |
2596 | @retval FALSE It is not to the left.\r | |
2597 | **/\r | |
2598 | BOOLEAN\r | |
632820d1 | 2599 | LeftCurrentScreen (\r |
47d20b54 | 2600 | IN UINTN FileCol\r |
632820d1 | 2601 | )\r |
2602 | {\r | |
2603 | //\r | |
2604 | // if is to the left of the screen\r | |
2605 | //\r | |
2606 | if (FileCol < FileBuffer.LowVisibleRange.Column) {\r | |
2607 | return TRUE;\r | |
2608 | }\r | |
2609 | \r | |
2610 | return FALSE;\r | |
2611 | }\r | |
2612 | \r | |
2613 | /**\r | |
2614 | Check user specified FileCol is right to current screen.\r | |
2615 | \r | |
2616 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2617 | \r | |
2618 | @retval TRUE It is to the right.\r | |
2619 | @retval FALSE It is not to the right.\r | |
2620 | **/\r | |
2621 | BOOLEAN\r | |
632820d1 | 2622 | RightCurrentScreen (\r |
47d20b54 | 2623 | IN UINTN FileCol\r |
632820d1 | 2624 | )\r |
2625 | {\r | |
2626 | //\r | |
2627 | // if is to the right of the screen\r | |
2628 | //\r | |
2629 | if (FileCol > FileBuffer.LowVisibleRange.Column + MainEditor.ScreenSize.Column - 1) {\r | |
2630 | return TRUE;\r | |
2631 | }\r | |
2632 | \r | |
2633 | return FALSE;\r | |
2634 | }\r | |
2635 | \r | |
2636 | /**\r | |
2637 | Advance/Retreat lines and set CurrentLine in FileBuffer to it\r | |
ba0014b9 | 2638 | \r |
632820d1 | 2639 | @param[in] Count The line number to advance/retreat\r |
2640 | >0 : advance\r | |
2641 | <0: retreat\r | |
2642 | \r | |
a048af3c | 2643 | @retval NULL An error occurred.\r |
632820d1 | 2644 | @return The line after advance/retreat.\r |
2645 | **/\r | |
2646 | EFI_EDITOR_LINE *\r | |
632820d1 | 2647 | MoveCurrentLine (\r |
47d20b54 | 2648 | IN INTN Count\r |
632820d1 | 2649 | )\r |
2650 | {\r | |
47d20b54 MK |
2651 | EFI_EDITOR_LINE *Line;\r |
2652 | UINTN AbsCount;\r | |
632820d1 | 2653 | \r |
2654 | if (Count <= 0) {\r | |
47d20b54 MK |
2655 | AbsCount = (UINTN)ABS (Count);\r |
2656 | Line = InternalEditorMiscLineRetreat (AbsCount, MainEditor.FileBuffer->CurrentLine, MainEditor.FileBuffer->ListHead);\r | |
632820d1 | 2657 | } else {\r |
47d20b54 | 2658 | Line = InternalEditorMiscLineAdvance ((UINTN)Count, MainEditor.FileBuffer->CurrentLine, MainEditor.FileBuffer->ListHead);\r |
632820d1 | 2659 | }\r |
2660 | \r | |
2661 | if (Line == NULL) {\r | |
2662 | return NULL;\r | |
2663 | }\r | |
2664 | \r | |
2665 | MainEditor.FileBuffer->CurrentLine = Line;\r | |
2666 | \r | |
2667 | return Line;\r | |
2668 | }\r | |
2669 | \r | |
2670 | /**\r | |
2671 | According to cursor's file position, adjust screen display\r | |
2672 | \r | |
2673 | @param[in] NewFilePosRow The row of file position ( start from 1 ).\r | |
2674 | @param[in] NewFilePosCol The column of file position ( start from 1 ).\r | |
2675 | **/\r | |
2676 | VOID\r | |
632820d1 | 2677 | FileBufferMovePosition (\r |
47d20b54 MK |
2678 | IN CONST UINTN NewFilePosRow,\r |
2679 | IN CONST UINTN NewFilePosCol\r | |
632820d1 | 2680 | )\r |
2681 | {\r | |
47d20b54 MK |
2682 | INTN RowGap;\r |
2683 | INTN ColGap;\r | |
2684 | UINTN Abs;\r | |
2685 | BOOLEAN Above;\r | |
2686 | BOOLEAN Under;\r | |
2687 | BOOLEAN Right;\r | |
2688 | BOOLEAN Left;\r | |
632820d1 | 2689 | \r |
2690 | //\r | |
2691 | // CALCULATE gap between current file position and new file position\r | |
2692 | //\r | |
47d20b54 MK |
2693 | RowGap = NewFilePosRow - FileBuffer.FilePosition.Row;\r |
2694 | ColGap = NewFilePosCol - FileBuffer.FilePosition.Column;\r | |
632820d1 | 2695 | \r |
47d20b54 MK |
2696 | Under = UnderCurrentScreen (NewFilePosRow);\r |
2697 | Above = AboveCurrentScreen (NewFilePosRow);\r | |
632820d1 | 2698 | //\r |
2699 | // if is below current screen\r | |
2700 | //\r | |
2701 | if (Under) {\r | |
2702 | //\r | |
2703 | // display row will be unchanged\r | |
2704 | //\r | |
2705 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2706 | } else {\r | |
2707 | if (Above) {\r | |
2708 | //\r | |
2709 | // has enough above line, so display row unchanged\r | |
2710 | // not has enough above lines, so the first line is at the\r | |
2711 | // first display line\r | |
2712 | //\r | |
2713 | if (NewFilePosRow < (FileBuffer.DisplayPosition.Row - 1)) {\r | |
2714 | FileBuffer.DisplayPosition.Row = NewFilePosRow + 1;\r | |
2715 | }\r | |
2716 | \r | |
2717 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2718 | } else {\r | |
2719 | //\r | |
2720 | // in current screen\r | |
2721 | //\r | |
2722 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2723 | if (RowGap < 0) {\r | |
47d20b54 | 2724 | Abs = (UINTN)ABS (RowGap);\r |
632820d1 | 2725 | FileBuffer.DisplayPosition.Row -= Abs;\r |
2726 | } else {\r | |
2727 | FileBuffer.DisplayPosition.Row += RowGap;\r | |
2728 | }\r | |
2729 | }\r | |
2730 | }\r | |
2731 | \r | |
47d20b54 | 2732 | FileBuffer.LowVisibleRange.Row = FileBuffer.FilePosition.Row - (FileBuffer.DisplayPosition.Row - 2);\r |
632820d1 | 2733 | \r |
2734 | Right = RightCurrentScreen (NewFilePosCol);\r | |
47d20b54 | 2735 | Left = LeftCurrentScreen (NewFilePosCol);\r |
632820d1 | 2736 | \r |
2737 | //\r | |
2738 | // if right to current screen\r | |
2739 | //\r | |
2740 | if (Right) {\r | |
2741 | //\r | |
2742 | // display column will be changed to end\r | |
2743 | //\r | |
2744 | FileBuffer.DisplayPosition.Column = MainEditor.ScreenSize.Column;\r | |
2745 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2746 | } else {\r | |
2747 | if (Left) {\r | |
2748 | //\r | |
2749 | // has enough left characters , so display row unchanged\r | |
2750 | // not has enough left characters,\r | |
2751 | // so the first character is at the first display column\r | |
2752 | //\r | |
2753 | if (NewFilePosCol < (FileBuffer.DisplayPosition.Column)) {\r | |
2754 | FileBuffer.DisplayPosition.Column = NewFilePosCol;\r | |
2755 | }\r | |
2756 | \r | |
2757 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2758 | } else {\r | |
2759 | //\r | |
2760 | // in current screen\r | |
2761 | //\r | |
2762 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2763 | if (ColGap < 0) {\r | |
47d20b54 | 2764 | Abs = (UINTN)(-ColGap);\r |
632820d1 | 2765 | FileBuffer.DisplayPosition.Column -= Abs;\r |
2766 | } else {\r | |
2767 | FileBuffer.DisplayPosition.Column += ColGap;\r | |
2768 | }\r | |
2769 | }\r | |
2770 | }\r | |
2771 | \r | |
2772 | FileBuffer.LowVisibleRange.Column = FileBuffer.FilePosition.Column - (FileBuffer.DisplayPosition.Column - 1);\r | |
2773 | \r | |
2774 | //\r | |
2775 | // let CurrentLine point to correct line;\r | |
2776 | //\r | |
2777 | FileBuffer.CurrentLine = MoveCurrentLine (RowGap);\r | |
632820d1 | 2778 | }\r |
2779 | \r | |
2780 | /**\r | |
2781 | Cut current line out and return a pointer to it.\r | |
2782 | \r | |
ba0014b9 | 2783 | @param[out] CutLine Upon a successful return pointer to the pointer to\r |
632820d1 | 2784 | the allocated cut line.\r |
2785 | \r | |
2786 | @retval EFI_SUCCESS The cut was successful.\r | |
2787 | @retval EFI_NOT_FOUND There was no selection to cut.\r | |
2788 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2789 | **/\r | |
2790 | EFI_STATUS\r | |
632820d1 | 2791 | FileBufferCutLine (\r |
47d20b54 | 2792 | OUT EFI_EDITOR_LINE **CutLine\r |
632820d1 | 2793 | )\r |
2794 | {\r | |
47d20b54 MK |
2795 | EFI_EDITOR_LINE *Line;\r |
2796 | EFI_EDITOR_LINE *NewLine;\r | |
2797 | UINTN Row;\r | |
2798 | UINTN Col;\r | |
632820d1 | 2799 | \r |
47d20b54 | 2800 | *CutLine = NULL;\r |
d0071948 | 2801 | \r |
632820d1 | 2802 | if (FileBuffer.ReadOnly) {\r |
2803 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2804 | return EFI_SUCCESS;\r | |
2805 | }\r | |
2806 | \r | |
2807 | Line = FileBuffer.CurrentLine;\r | |
2808 | \r | |
2809 | //\r | |
2810 | // if is the last dummy line, SO CAN not cut\r | |
2811 | //\r | |
47d20b54 MK |
2812 | if ((StrCmp (Line->Buffer, L"\0") == 0) && (Line->Link.ForwardLink == FileBuffer.ListHead)\r |
2813 | //\r | |
2814 | // last line\r | |
2815 | //\r | |
2816 | )\r | |
2817 | {\r | |
632820d1 | 2818 | //\r |
2819 | // LAST LINE AND NOTHING ON THIS LINE, SO CUT NOTHING\r | |
2820 | //\r | |
2821 | StatusBarSetStatusString (L"Nothing to Cut");\r | |
2822 | return EFI_NOT_FOUND;\r | |
2823 | }\r | |
47d20b54 | 2824 | \r |
632820d1 | 2825 | //\r |
2826 | // if is the last line, so create a dummy line\r | |
2827 | //\r | |
2828 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
2829 | //\r | |
2830 | // last line\r | |
2831 | // create a new line\r | |
2832 | //\r | |
2833 | NewLine = FileBufferCreateLine ();\r | |
2834 | if (NewLine == NULL) {\r | |
2835 | return EFI_OUT_OF_RESOURCES;\r | |
2836 | }\r | |
2837 | }\r | |
2838 | \r | |
2839 | FileBuffer.NumLines--;\r | |
2840 | Row = FileBuffer.FilePosition.Row;\r | |
2841 | Col = 1;\r | |
2842 | //\r | |
2843 | // move home\r | |
2844 | //\r | |
2845 | FileBuffer.CurrentLine = CR (\r | |
47d20b54 MK |
2846 | FileBuffer.CurrentLine->Link.ForwardLink,\r |
2847 | EFI_EDITOR_LINE,\r | |
2848 | Link,\r | |
2849 | LINE_LIST_SIGNATURE\r | |
2850 | );\r | |
632820d1 | 2851 | \r |
2852 | RemoveEntryList (&Line->Link);\r | |
2853 | \r | |
2854 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2855 | \r | |
2856 | FileBufferMovePosition (Row, Col);\r | |
2857 | \r | |
2858 | FileBuffer.FileModified = TRUE;\r | |
2859 | FileBufferNeedRefresh = TRUE;\r | |
2860 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2861 | \r | |
47d20b54 | 2862 | *CutLine = Line;\r |
632820d1 | 2863 | \r |
2864 | return EFI_SUCCESS;\r | |
2865 | }\r | |
2866 | \r | |
2867 | /**\r | |
2868 | Paste a line into line list.\r | |
2869 | \r | |
2870 | @retval EFI_SUCCESS The paste was successful.\r | |
2871 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2872 | **/\r | |
2873 | EFI_STATUS\r | |
632820d1 | 2874 | FileBufferPasteLine (\r |
2875 | VOID\r | |
2876 | )\r | |
2877 | {\r | |
47d20b54 MK |
2878 | EFI_EDITOR_LINE *Line;\r |
2879 | EFI_EDITOR_LINE *NewLine;\r | |
2880 | UINTN Row;\r | |
2881 | UINTN Col;\r | |
632820d1 | 2882 | \r |
2883 | //\r | |
2884 | // if nothing is on clip board\r | |
2885 | // then do nothing\r | |
2886 | //\r | |
2887 | if (MainEditor.CutLine == NULL) {\r | |
2888 | return EFI_SUCCESS;\r | |
2889 | }\r | |
47d20b54 | 2890 | \r |
632820d1 | 2891 | //\r |
2892 | // read only file can not be pasted on\r | |
2893 | //\r | |
2894 | if (FileBuffer.ReadOnly) {\r | |
2895 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2896 | return EFI_SUCCESS;\r | |
2897 | }\r | |
2898 | \r | |
2899 | NewLine = LineDup (MainEditor.CutLine);\r | |
2900 | if (NewLine == NULL) {\r | |
2901 | return EFI_OUT_OF_RESOURCES;\r | |
2902 | }\r | |
47d20b54 | 2903 | \r |
632820d1 | 2904 | //\r |
2905 | // insert it above current line\r | |
2906 | //\r | |
47d20b54 MK |
2907 | Line = FileBuffer.CurrentLine;\r |
2908 | NewLine->Link.BackLink = Line->Link.BackLink;\r | |
2909 | NewLine->Link.ForwardLink = &Line->Link;\r | |
632820d1 | 2910 | \r |
2911 | Line->Link.BackLink->ForwardLink = &NewLine->Link;\r | |
47d20b54 | 2912 | Line->Link.BackLink = &NewLine->Link;\r |
632820d1 | 2913 | \r |
2914 | FileBuffer.NumLines++;\r | |
47d20b54 | 2915 | FileBuffer.CurrentLine = NewLine;\r |
632820d1 | 2916 | \r |
47d20b54 | 2917 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r |
632820d1 | 2918 | \r |
47d20b54 | 2919 | Col = 1;\r |
632820d1 | 2920 | //\r |
2921 | // move home\r | |
2922 | //\r | |
2923 | Row = FileBuffer.FilePosition.Row;\r | |
2924 | \r | |
2925 | FileBufferMovePosition (Row, Col);\r | |
2926 | \r | |
2927 | //\r | |
2928 | // after paste, set some value so that refresh knows to do something\r | |
2929 | //\r | |
2930 | FileBuffer.FileModified = TRUE;\r | |
2931 | FileBufferNeedRefresh = TRUE;\r | |
2932 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2933 | \r | |
2934 | return EFI_SUCCESS;\r | |
2935 | }\r | |
2936 | \r | |
2937 | /**\r | |
2938 | Search string from current position on in file\r | |
2939 | \r | |
2940 | @param[in] Str The search string.\r | |
2941 | @param[in] Offset The offset from current position.\r | |
2942 | \r | |
2943 | @retval EFI_SUCCESS The operation was successful.\r | |
2944 | @retval EFI_NOT_FOUND The string Str was not found.\r | |
2945 | **/\r | |
2946 | EFI_STATUS\r | |
632820d1 | 2947 | FileBufferSearch (\r |
2948 | IN CONST CHAR16 *Str,\r | |
47d20b54 | 2949 | IN CONST UINTN Offset\r |
632820d1 | 2950 | )\r |
2951 | {\r | |
47d20b54 MK |
2952 | CHAR16 *Current;\r |
2953 | UINTN Position;\r | |
2954 | UINTN Row;\r | |
2955 | UINTN Column;\r | |
2956 | EFI_EDITOR_LINE *Line;\r | |
2957 | CHAR16 *CharPos;\r | |
2958 | LIST_ENTRY *Link;\r | |
2959 | BOOLEAN Found;\r | |
2960 | \r | |
2961 | Column = 0;\r | |
382e78c0 | 2962 | Position = 0;\r |
ba0014b9 | 2963 | \r |
632820d1 | 2964 | //\r |
2965 | // search if in current line\r | |
2966 | //\r | |
2967 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1 + Offset;\r | |
2968 | \r | |
2969 | if (Current >= (FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size)) {\r | |
2970 | //\r | |
2971 | // the end\r | |
2972 | //\r | |
2973 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size;\r | |
2974 | }\r | |
2975 | \r | |
382e78c0 | 2976 | Found = FALSE;\r |
2977 | \r | |
47d20b54 | 2978 | CharPos = StrStr (Current, Str);\r |
632820d1 | 2979 | if (CharPos != NULL) {\r |
382e78c0 | 2980 | Position = CharPos - Current + 1;\r |
47d20b54 | 2981 | Found = TRUE;\r |
ba0014b9 | 2982 | }\r |
632820d1 | 2983 | \r |
2984 | //\r | |
2985 | // found\r | |
2986 | //\r | |
4ff7e37b | 2987 | if (Found) {\r |
47d20b54 MK |
2988 | Column = (Position - 1) + FileBuffer.FilePosition.Column + Offset;\r |
2989 | Row = FileBuffer.FilePosition.Row;\r | |
632820d1 | 2990 | } else {\r |
2991 | //\r | |
2992 | // not found so find through next lines\r | |
2993 | //\r | |
47d20b54 | 2994 | Link = FileBuffer.CurrentLine->Link.ForwardLink;\r |
632820d1 | 2995 | \r |
47d20b54 | 2996 | Row = FileBuffer.FilePosition.Row + 1;\r |
632820d1 | 2997 | while (Link != FileBuffer.ListHead) {\r |
47d20b54 MK |
2998 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r |
2999 | // Position = StrStr (Line->Buffer, Str);\r | |
3000 | CharPos = StrStr (Line->Buffer, Str);\r | |
632820d1 | 3001 | if (CharPos != NULL) {\r |
382e78c0 | 3002 | Position = CharPos - Line->Buffer + 1;\r |
47d20b54 | 3003 | Found = TRUE;\r |
ba0014b9 LG |
3004 | }\r |
3005 | \r | |
4ff7e37b | 3006 | if (Found) {\r |
632820d1 | 3007 | //\r |
3008 | // found\r | |
3009 | //\r | |
3010 | Column = Position;\r | |
3011 | break;\r | |
3012 | }\r | |
3013 | \r | |
3014 | Row++;\r | |
3015 | Link = Link->ForwardLink;\r | |
3016 | }\r | |
3017 | \r | |
3018 | if (Link == FileBuffer.ListHead) {\r | |
3019 | Found = FALSE;\r | |
3020 | } else {\r | |
3021 | Found = TRUE;\r | |
3022 | }\r | |
3023 | }\r | |
3024 | \r | |
3025 | if (!Found) {\r | |
3026 | return EFI_NOT_FOUND;\r | |
3027 | }\r | |
3028 | \r | |
3029 | FileBufferMovePosition (Row, Column);\r | |
3030 | \r | |
3031 | //\r | |
3032 | // call refresh to fresh edit area,\r | |
3033 | // because the outer may loop to find multiply occurrence of this string\r | |
3034 | //\r | |
3035 | FileBufferRefresh ();\r | |
3036 | \r | |
3037 | return EFI_SUCCESS;\r | |
3038 | }\r | |
3039 | \r | |
3040 | /**\r | |
3041 | Replace SearchLen characters from current position on with Replace.\r | |
3042 | \r | |
3043 | This will modify the current buffer at the current position.\r | |
3044 | \r | |
3045 | @param[in] Replace The string to replace.\r | |
3046 | @param[in] SearchLen Search string's length.\r | |
3047 | \r | |
3048 | @retval EFI_SUCCESS The operation was successful.\r | |
3049 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3050 | **/\r | |
3051 | EFI_STATUS\r | |
632820d1 | 3052 | FileBufferReplace (\r |
47d20b54 MK |
3053 | IN CONST CHAR16 *Replace,\r |
3054 | IN CONST UINTN SearchLen\r | |
632820d1 | 3055 | )\r |
3056 | {\r | |
3057 | UINTN ReplaceLen;\r | |
3058 | UINTN Index;\r | |
3059 | CHAR16 *Buffer;\r | |
3060 | UINTN NewSize;\r | |
3061 | UINTN OldSize;\r | |
3062 | UINTN Gap;\r | |
3063 | \r | |
47d20b54 | 3064 | ReplaceLen = StrLen (Replace);\r |
632820d1 | 3065 | \r |
47d20b54 | 3066 | OldSize = FileBuffer.CurrentLine->Size + 1;\r |
632820d1 | 3067 | //\r |
3068 | // include CHAR_NULL\r | |
3069 | //\r | |
3070 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3071 | \r | |
3072 | if (ReplaceLen > SearchLen) {\r | |
3073 | //\r | |
3074 | // do not have the enough space\r | |
3075 | //\r | |
3076 | if (FileBuffer.CurrentLine->TotalSize + 1 <= NewSize) {\r | |
3077 | FileBuffer.CurrentLine->Buffer = ReallocatePool (\r | |
47d20b54 MK |
3078 | 2 * OldSize,\r |
3079 | 2 * NewSize,\r | |
3080 | FileBuffer.CurrentLine->Buffer\r | |
3081 | );\r | |
632820d1 | 3082 | FileBuffer.CurrentLine->TotalSize = NewSize - 1;\r |
3083 | }\r | |
3084 | \r | |
3085 | if (FileBuffer.CurrentLine->Buffer == NULL) {\r | |
3086 | return EFI_OUT_OF_RESOURCES;\r | |
3087 | }\r | |
47d20b54 | 3088 | \r |
632820d1 | 3089 | //\r |
3090 | // the end CHAR_NULL character;\r | |
3091 | //\r | |
47d20b54 MK |
3092 | Buffer = FileBuffer.CurrentLine->Buffer + (NewSize - 1);\r |
3093 | Gap = ReplaceLen - SearchLen;\r | |
632820d1 | 3094 | \r |
3095 | //\r | |
3096 | // keep the latter part\r | |
3097 | //\r | |
3098 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - SearchLen + 2); Index++) {\r | |
3099 | *Buffer = *(Buffer - Gap);\r | |
3100 | Buffer--;\r | |
3101 | }\r | |
47d20b54 | 3102 | \r |
632820d1 | 3103 | //\r |
3104 | // set replace into it\r | |
3105 | //\r | |
382e78c0 | 3106 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3107 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3108 | Buffer[Index] = Replace[Index];\r | |
3109 | }\r | |
3110 | }\r | |
3111 | \r | |
3112 | if (ReplaceLen < SearchLen) {\r | |
382e78c0 | 3113 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3114 | \r |
3115 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3116 | Buffer[Index] = Replace[Index];\r | |
3117 | }\r | |
3118 | \r | |
3119 | Buffer += ReplaceLen;\r | |
47d20b54 | 3120 | Gap = SearchLen - ReplaceLen;\r |
632820d1 | 3121 | \r |
3122 | //\r | |
3123 | // set replace into it\r | |
3124 | //\r | |
3125 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - ReplaceLen + 2); Index++) {\r | |
3126 | *Buffer = *(Buffer + Gap);\r | |
3127 | Buffer++;\r | |
3128 | }\r | |
3129 | }\r | |
3130 | \r | |
3131 | if (ReplaceLen == SearchLen) {\r | |
382e78c0 | 3132 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3133 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3134 | Buffer[Index] = Replace[Index];\r | |
3135 | }\r | |
3136 | }\r | |
3137 | \r | |
3138 | FileBuffer.CurrentLine->Size += (ReplaceLen - SearchLen);\r | |
3139 | \r | |
3140 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
3141 | \r | |
47d20b54 | 3142 | FileBuffer.FileModified = TRUE;\r |
632820d1 | 3143 | \r |
980d554e | 3144 | MainTitleBarRefresh (MainEditor.FileBuffer->FileName, MainEditor.FileBuffer->FileType, MainEditor.FileBuffer->ReadOnly, MainEditor.FileBuffer->FileModified, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row, 0, 0);\r |
632820d1 | 3145 | FileBufferRestorePosition ();\r |
3146 | FileBufferRefresh ();\r | |
3147 | \r | |
3148 | return EFI_SUCCESS;\r | |
3149 | }\r | |
3150 | \r | |
3151 | /**\r | |
3152 | Move the mouse cursor position.\r | |
3153 | \r | |
3154 | @param[in] TextX The new x-coordinate.\r | |
3155 | @param[in] TextY The new y-coordinate.\r | |
3156 | **/\r | |
3157 | VOID\r | |
632820d1 | 3158 | FileBufferAdjustMousePosition (\r |
47d20b54 MK |
3159 | IN CONST INT32 TextX,\r |
3160 | IN CONST INT32 TextY\r | |
632820d1 | 3161 | )\r |
3162 | {\r | |
47d20b54 MK |
3163 | UINTN CoordinateX;\r |
3164 | UINTN CoordinateY;\r | |
3165 | UINTN AbsX;\r | |
3166 | UINTN AbsY;\r | |
632820d1 | 3167 | \r |
3168 | //\r | |
3169 | // TextX and TextY is mouse movement data returned by mouse driver\r | |
3170 | // This function will change it to MousePosition\r | |
3171 | //\r | |
3172 | //\r | |
3173 | // get absolute value\r | |
3174 | //\r | |
3175 | \r | |
47d20b54 MK |
3176 | AbsX = ABS (TextX);\r |
3177 | AbsY = ABS (TextY);\r | |
632820d1 | 3178 | \r |
3179 | CoordinateX = FileBuffer.MousePosition.Column;\r | |
3180 | CoordinateY = FileBuffer.MousePosition.Row;\r | |
3181 | \r | |
3182 | if (TextX >= 0) {\r | |
3183 | CoordinateX += TextX;\r | |
3184 | } else {\r | |
3185 | if (CoordinateX >= AbsX) {\r | |
3186 | CoordinateX -= AbsX;\r | |
3187 | } else {\r | |
3188 | CoordinateX = 0;\r | |
3189 | }\r | |
3190 | }\r | |
3191 | \r | |
3192 | if (TextY >= 0) {\r | |
3193 | CoordinateY += TextY;\r | |
3194 | } else {\r | |
3195 | if (CoordinateY >= AbsY) {\r | |
3196 | CoordinateY -= AbsY;\r | |
3197 | } else {\r | |
3198 | CoordinateY = 0;\r | |
3199 | }\r | |
3200 | }\r | |
47d20b54 | 3201 | \r |
632820d1 | 3202 | //\r |
3203 | // check whether new mouse column position is beyond screen\r | |
3204 | // if not, adjust it\r | |
3205 | //\r | |
47d20b54 | 3206 | if ((CoordinateX >= 1) && (CoordinateX <= MainEditor.ScreenSize.Column)) {\r |
632820d1 | 3207 | FileBuffer.MousePosition.Column = CoordinateX;\r |
3208 | } else if (CoordinateX < 1) {\r | |
3209 | FileBuffer.MousePosition.Column = 1;\r | |
3210 | } else if (CoordinateX > MainEditor.ScreenSize.Column) {\r | |
3211 | FileBuffer.MousePosition.Column = MainEditor.ScreenSize.Column;\r | |
3212 | }\r | |
47d20b54 | 3213 | \r |
632820d1 | 3214 | //\r |
3215 | // check whether new mouse row position is beyond screen\r | |
3216 | // if not, adjust it\r | |
3217 | //\r | |
47d20b54 | 3218 | if ((CoordinateY >= 2) && (CoordinateY <= (MainEditor.ScreenSize.Row - 1))) {\r |
632820d1 | 3219 | FileBuffer.MousePosition.Row = CoordinateY;\r |
3220 | } else if (CoordinateY < 2) {\r | |
3221 | FileBuffer.MousePosition.Row = 2;\r | |
5a2beb74 | 3222 | } else if (CoordinateY > (MainEditor.ScreenSize.Row - 1)) {\r |
3223 | FileBuffer.MousePosition.Row = (MainEditor.ScreenSize.Row - 1);\r | |
632820d1 | 3224 | }\r |
632820d1 | 3225 | }\r |
3226 | \r | |
3227 | /**\r | |
3228 | Search and replace operation.\r | |
3229 | \r | |
3230 | @param[in] SearchStr The string to search for.\r | |
3231 | @param[in] ReplaceStr The string to replace with.\r | |
3232 | @param[in] Offset The column to start at.\r | |
3233 | **/\r | |
3234 | EFI_STATUS\r | |
632820d1 | 3235 | FileBufferReplaceAll (\r |
47d20b54 MK |
3236 | IN CHAR16 *SearchStr,\r |
3237 | IN CHAR16 *ReplaceStr,\r | |
3238 | IN UINTN Offset\r | |
632820d1 | 3239 | )\r |
3240 | {\r | |
47d20b54 MK |
3241 | CHAR16 *Buffer;\r |
3242 | UINTN Position;\r | |
3243 | UINTN Column;\r | |
3244 | UINTN ReplaceLen;\r | |
3245 | UINTN SearchLen;\r | |
3246 | UINTN Index;\r | |
3247 | UINTN NewSize;\r | |
3248 | UINTN OldSize;\r | |
3249 | UINTN Gap;\r | |
3250 | EFI_EDITOR_LINE *Line;\r | |
3251 | LIST_ENTRY *Link;\r | |
3252 | CHAR16 *CharPos;\r | |
3253 | \r | |
3254 | SearchLen = StrLen (SearchStr);\r | |
3255 | ReplaceLen = StrLen (ReplaceStr);\r | |
3256 | \r | |
3257 | Column = FileBuffer.FilePosition.Column + Offset - 1;\r | |
632820d1 | 3258 | \r |
3259 | if (Column > FileBuffer.CurrentLine->Size) {\r | |
3260 | Column = FileBuffer.CurrentLine->Size;\r | |
3261 | }\r | |
3262 | \r | |
3263 | Link = &(FileBuffer.CurrentLine->Link);\r | |
3264 | \r | |
3265 | while (Link != FileBuffer.ListHead) {\r | |
47d20b54 MK |
3266 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r |
3267 | CharPos = StrStr (Line->Buffer + Column, SearchStr);\r | |
632820d1 | 3268 | if (CharPos != NULL) {\r |
3269 | Position = CharPos - Line->Buffer;// + Column;\r | |
3270 | //\r | |
3271 | // found\r | |
3272 | //\r | |
3273 | if (ReplaceLen > SearchLen) {\r | |
3274 | OldSize = Line->Size + 1;\r | |
3275 | //\r | |
3276 | // include CHAR_NULL\r | |
3277 | //\r | |
3278 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3279 | \r | |
3280 | //\r | |
3281 | // do not have the enough space\r | |
3282 | //\r | |
3283 | if (Line->TotalSize + 1 <= NewSize) {\r | |
3284 | Line->Buffer = ReallocatePool (\r | |
47d20b54 MK |
3285 | 2 * OldSize,\r |
3286 | 2 * NewSize,\r | |
3287 | Line->Buffer\r | |
3288 | );\r | |
632820d1 | 3289 | Line->TotalSize = NewSize - 1;\r |
3290 | }\r | |
3291 | \r | |
3292 | if (Line->Buffer == NULL) {\r | |
3293 | return EFI_OUT_OF_RESOURCES;\r | |
3294 | }\r | |
47d20b54 | 3295 | \r |
632820d1 | 3296 | //\r |
3297 | // the end CHAR_NULL character;\r | |
3298 | //\r | |
47d20b54 MK |
3299 | Buffer = Line->Buffer + (NewSize - 1);\r |
3300 | Gap = ReplaceLen - SearchLen;\r | |
632820d1 | 3301 | \r |
3302 | //\r | |
3303 | // keep the latter part\r | |
3304 | //\r | |
3305 | for (Index = 0; Index < (Line->Size - Position - SearchLen + 1); Index++) {\r | |
3306 | *Buffer = *(Buffer - Gap);\r | |
3307 | Buffer--;\r | |
3308 | }\r | |
47d20b54 MK |
3309 | } else if (ReplaceLen < SearchLen) {\r |
3310 | Buffer = Line->Buffer + Position + ReplaceLen;\r | |
3311 | Gap = SearchLen - ReplaceLen;\r | |
632820d1 | 3312 | \r |
3313 | for (Index = 0; Index < (Line->Size - Position - ReplaceLen + 1); Index++) {\r | |
3314 | *Buffer = *(Buffer + Gap);\r | |
3315 | Buffer++;\r | |
3316 | }\r | |
3317 | } else {\r | |
47d20b54 | 3318 | ASSERT (ReplaceLen == SearchLen);\r |
632820d1 | 3319 | }\r |
47d20b54 | 3320 | \r |
632820d1 | 3321 | //\r |
3322 | // set replace into it\r | |
3323 | //\r | |
3324 | Buffer = Line->Buffer + Position;\r | |
3325 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3326 | Buffer[Index] = ReplaceStr[Index];\r | |
3327 | }\r | |
3328 | \r | |
3329 | Line->Size += (ReplaceLen - SearchLen);\r | |
47d20b54 | 3330 | Column += ReplaceLen;\r |
632820d1 | 3331 | } else {\r |
3332 | //\r | |
3333 | // not found\r | |
3334 | //\r | |
47d20b54 MK |
3335 | Column = 0;\r |
3336 | Link = Link->ForwardLink;\r | |
632820d1 | 3337 | }\r |
3338 | }\r | |
47d20b54 | 3339 | \r |
632820d1 | 3340 | //\r |
3341 | // call refresh to fresh edit area\r | |
3342 | //\r | |
3343 | FileBuffer.FileModified = TRUE;\r | |
3344 | FileBufferNeedRefresh = TRUE;\r | |
3345 | FileBufferRefresh ();\r | |
3346 | \r | |
3347 | return EFI_SUCCESS;\r | |
3348 | }\r | |
3349 | \r | |
3350 | /**\r | |
3351 | Set the modified state to TRUE.\r | |
3352 | **/\r | |
3353 | VOID\r | |
632820d1 | 3354 | FileBufferSetModified (\r |
3355 | VOID\r | |
3356 | )\r | |
3357 | {\r | |
3358 | FileBuffer.FileModified = TRUE;\r | |
3359 | }\r |