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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 | |
ba0014b9 | 50 | BOOLEAN FileBufferNeedRefresh;\r |
632820d1 | 51 | \r |
52 | //\r | |
53 | // only the current line in edit area needs to be refresh\r | |
54 | //\r | |
55 | BOOLEAN FileBufferOnlyLineNeedRefresh;\r | |
56 | \r | |
57 | BOOLEAN FileBufferMouseNeedRefresh;\r | |
58 | \r | |
59 | extern BOOLEAN EditorMouseAction;\r | |
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 | |
76 | CopyMem (&FileBuffer , &FileBufferConst, sizeof (EFI_EDITOR_FILE_BUFFER));\r | |
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 | |
99 | FileBufferNeedRefresh = FALSE;\r | |
100 | FileBufferMouseNeedRefresh = FALSE;\r | |
101 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
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 | |
124 | FileBufferBackupVar.FileName = NULL;\r | |
125 | FileBufferBackupVar.FileName = StrnCatGrow (&FileBufferBackupVar.FileName, NULL, FileBuffer.FileName, 0);\r | |
126 | \r | |
127 | FileBufferBackupVar.ModeInsert = FileBuffer.ModeInsert;\r | |
128 | FileBufferBackupVar.FileType = FileBuffer.FileType;\r | |
129 | \r | |
130 | FileBufferBackupVar.FilePosition = FileBuffer.FilePosition;\r | |
131 | FileBufferBackupVar.LowVisibleRange = FileBuffer.LowVisibleRange;\r | |
132 | \r | |
133 | FileBufferBackupVar.FileModified = FileBuffer.FileModified;\r | |
134 | FileBufferBackupVar.ReadOnly = FileBuffer.ReadOnly;\r | |
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 | |
157 | UINTN Index;\r | |
158 | CONST EFI_EDITOR_LINE *Line;\r | |
159 | \r | |
160 | if (CurrentLine == NULL || LineList == NULL) {\r | |
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 | |
196 | UINTN Index;\r | |
197 | CONST EFI_EDITOR_LINE *Line;\r | |
198 | \r | |
199 | if (CurrentLine == NULL || LineList == NULL) {\r | |
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 | |
229 | IN CONST INTN Count\r | |
230 | )\r | |
231 | {\r | |
232 | EFI_EDITOR_LINE *Line;\r | |
233 | UINTN AbsCount;\r | |
234 | \r | |
235 | //\r | |
236 | // if < 0, then retreat\r | |
237 | // if > 0, the advance\r | |
238 | //\r | |
239 | if (Count <= 0) {\r | |
33c031ee | 240 | AbsCount = (UINTN)ABS(Count);\r |
632820d1 | 241 | Line = InternalEditorMiscLineRetreat (AbsCount,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
242 | } else {\r | |
33c031ee | 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 | |
274 | \r | |
275 | if (FileBufferMouseNeedRefresh) {\r | |
276 | \r | |
277 | FileBufferMouseNeedRefresh = FALSE;\r | |
278 | \r | |
279 | //\r | |
280 | // if mouse position not moved and only mouse action\r | |
281 | // so do not need to refresh mouse position\r | |
282 | //\r | |
283 | if ((FileBuffer.MousePosition.Row == FileBufferBackupVar.MousePosition.Row &&\r | |
284 | FileBuffer.MousePosition.Column == FileBufferBackupVar.MousePosition.Column)\r | |
285 | && EditorMouseAction) {\r | |
286 | return EFI_SUCCESS;\r | |
287 | }\r | |
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 | |
299 | FRow = FileBuffer.LowVisibleRange.Row + FileBufferBackupVar.MousePosition.Row - 2;\r | |
300 | \r | |
301 | FColumn = FileBuffer.LowVisibleRange.Column + FileBufferBackupVar.MousePosition.Column - 1;\r | |
302 | \r | |
303 | HasCharacter = TRUE;\r | |
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 | |
33c031ee | 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 | |
332 | //\r | |
333 | // set the new mouse position\r | |
334 | //\r | |
664fd587 RN |
335 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
336 | \r | |
632820d1 | 337 | //\r |
338 | // clear the old mouse position\r | |
339 | //\r | |
340 | FRow = FileBuffer.LowVisibleRange.Row + FileBuffer.MousePosition.Row - 2;\r | |
341 | FColumn = FileBuffer.LowVisibleRange.Column + FileBuffer.MousePosition.Column - 1;\r | |
342 | \r | |
343 | HasCharacter = TRUE;\r | |
344 | if (FRow > FileBuffer.NumLines) {\r | |
345 | HasCharacter = FALSE;\r | |
346 | } else {\r | |
347 | CurrentLine = FileBuffer.CurrentLine;\r | |
348 | Line = MoveLine (FRow - FileBuffer.FilePosition.Row);\r | |
349 | \r | |
ae724571 | 350 | if (Line == NULL || FColumn > Line->Size) {\r |
632820d1 | 351 | HasCharacter = FALSE;\r |
352 | }\r | |
353 | \r | |
354 | FileBuffer.CurrentLine = CurrentLine;\r | |
355 | }\r | |
356 | \r | |
357 | ShellPrintEx (\r | |
358 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
359 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
360 | L" "\r | |
361 | );\r | |
362 | \r | |
363 | if (HasCharacter) {\r | |
364 | Value = Line->Buffer[FColumn - 1];\r | |
365 | ShellPrintEx (\r | |
366 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
367 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
368 | L"%c",\r | |
369 | Value\r | |
370 | );\r | |
371 | }\r | |
372 | //\r | |
373 | // end of HasCharacter\r | |
374 | //\r | |
375 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
376 | }\r | |
377 | //\r | |
378 | // end of MouseNeedRefresh\r | |
379 | //\r | |
380 | }\r | |
381 | //\r | |
382 | // end of MouseSupported\r | |
383 | //\r | |
384 | return EFI_SUCCESS;\r | |
385 | }\r | |
386 | \r | |
387 | /**\r | |
388 | Free all the lines in FileBuffer\r | |
389 | Fields affected:\r | |
390 | Lines\r | |
391 | CurrentLine\r | |
392 | NumLines\r | |
393 | ListHead\r | |
394 | \r | |
395 | @retval EFI_SUCCESS The operation was successful.\r | |
396 | **/\r | |
397 | EFI_STATUS\r | |
632820d1 | 398 | FileBufferFreeLines (\r |
399 | VOID\r | |
400 | )\r | |
401 | {\r | |
402 | LIST_ENTRY *Link;\r | |
403 | EFI_EDITOR_LINE *Line;\r | |
404 | \r | |
405 | //\r | |
406 | // free all the lines\r | |
407 | //\r | |
408 | if (FileBuffer.Lines != NULL) {\r | |
409 | \r | |
410 | Line = FileBuffer.Lines;\r | |
411 | Link = &(Line->Link);\r | |
412 | do {\r | |
413 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
414 | Link = Link->ForwardLink;\r | |
415 | \r | |
416 | //\r | |
417 | // free line's buffer and line itself\r | |
418 | //\r | |
419 | LineFree (Line);\r | |
420 | } while (Link != FileBuffer.ListHead);\r | |
421 | }\r | |
422 | //\r | |
423 | // clean the line list related structure\r | |
424 | //\r | |
425 | FileBuffer.Lines = NULL;\r | |
426 | FileBuffer.CurrentLine = NULL;\r | |
427 | FileBuffer.NumLines = 0;\r | |
428 | \r | |
429 | FileBuffer.ListHead->ForwardLink = FileBuffer.ListHead;\r | |
430 | FileBuffer.ListHead->BackLink = FileBuffer.ListHead;\r | |
431 | \r | |
432 | return EFI_SUCCESS;\r | |
433 | }\r | |
434 | \r | |
435 | /**\r | |
436 | Cleanup function for FileBuffer.\r | |
437 | \r | |
438 | @retval EFI_SUCCESS The cleanup was successful.\r | |
439 | **/\r | |
440 | EFI_STATUS\r | |
632820d1 | 441 | FileBufferCleanup (\r |
442 | VOID\r | |
443 | )\r | |
444 | {\r | |
445 | EFI_STATUS Status;\r | |
446 | \r | |
447 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
448 | \r | |
449 | //\r | |
450 | // free all the lines\r | |
451 | //\r | |
452 | Status = FileBufferFreeLines ();\r | |
453 | \r | |
454 | SHELL_FREE_NON_NULL (FileBuffer.ListHead);\r | |
455 | FileBuffer.ListHead = NULL;\r | |
456 | \r | |
457 | SHELL_FREE_NON_NULL (FileBufferBackupVar.FileName);\r | |
458 | return Status;\r | |
459 | \r | |
460 | }\r | |
461 | \r | |
462 | /**\r | |
664fd587 | 463 | Print a line specified by Line on a row specified by Row of the screen.\r |
632820d1 | 464 | \r |
664fd587 RN |
465 | @param[in] Line The line to print.\r |
466 | @param[in] Row The row on the screen to print onto (begin from 1).\r | |
632820d1 | 467 | \r |
664fd587 | 468 | @retval EFI_SUCCESS The printing was successful.\r |
632820d1 | 469 | **/\r |
470 | EFI_STATUS\r | |
471 | FileBufferPrintLine (\r | |
664fd587 RN |
472 | IN CONST EFI_EDITOR_LINE *Line,\r |
473 | IN CONST UINTN Row\r | |
632820d1 | 474 | )\r |
475 | {\r | |
476 | \r | |
477 | CHAR16 *Buffer;\r | |
478 | UINTN Limit;\r | |
81cd2f53 ED |
479 | CHAR16 *PrintLine;\r |
480 | CHAR16 *PrintLine2;\r | |
ba0014b9 | 481 | UINTN BufLen;\r |
632820d1 | 482 | \r |
483 | //\r | |
484 | // print start from correct character\r | |
485 | //\r | |
486 | Buffer = Line->Buffer + FileBuffer.LowVisibleRange.Column - 1;\r | |
487 | \r | |
488 | Limit = Line->Size - FileBuffer.LowVisibleRange.Column + 1;\r | |
489 | if (Limit > Line->Size) {\r | |
490 | Limit = 0;\r | |
491 | }\r | |
492 | \r | |
81cd2f53 ED |
493 | BufLen = (MainEditor.ScreenSize.Column + 1) * sizeof (CHAR16);\r |
494 | PrintLine = AllocatePool (BufLen);\r | |
3e9442a5 RN |
495 | if (PrintLine != NULL) {\r |
496 | StrnCpyS (PrintLine, BufLen/sizeof(CHAR16), Buffer, MIN(Limit, MainEditor.ScreenSize.Column));\r | |
004b8112 | 497 | for (Limit = StrLen (PrintLine); Limit < MainEditor.ScreenSize.Column; Limit++) {\r |
3e9442a5 RN |
498 | PrintLine[Limit] = L' ';\r |
499 | }\r | |
81cd2f53 | 500 | \r |
3e9442a5 | 501 | PrintLine[MainEditor.ScreenSize.Column] = CHAR_NULL;\r |
632820d1 | 502 | \r |
3e9442a5 RN |
503 | PrintLine2 = AllocatePool (BufLen * 2);\r |
504 | if (PrintLine2 != NULL) {\r | |
505 | ShellCopySearchAndReplace(PrintLine, PrintLine2, BufLen * 2, L"%", L"^%", FALSE, FALSE);\r | |
632820d1 | 506 | \r |
3e9442a5 RN |
507 | ShellPrintEx (\r |
508 | 0,\r | |
509 | (INT32)Row - 1,\r | |
510 | L"%s",\r | |
511 | PrintLine2\r | |
512 | );\r | |
513 | FreePool (PrintLine2);\r | |
514 | }\r | |
515 | FreePool (PrintLine);\r | |
516 | }\r | |
81cd2f53 | 517 | \r |
632820d1 | 518 | return EFI_SUCCESS;\r |
519 | }\r | |
520 | \r | |
521 | /**\r | |
522 | Set the cursor position according to FileBuffer.DisplayPosition.\r | |
523 | \r | |
524 | @retval EFI_SUCCESS The operation was successful.\r | |
525 | **/\r | |
526 | EFI_STATUS\r | |
632820d1 | 527 | FileBufferRestorePosition (\r |
528 | VOID\r | |
529 | )\r | |
530 | {\r | |
531 | //\r | |
532 | // set cursor position\r | |
533 | //\r | |
534 | return (gST->ConOut->SetCursorPosition (\r | |
535 | gST->ConOut,\r | |
536 | FileBuffer.DisplayPosition.Column - 1,\r | |
537 | FileBuffer.DisplayPosition.Row - 1\r | |
538 | ));\r | |
539 | }\r | |
540 | \r | |
541 | /**\r | |
542 | Refresh the screen with whats in the buffer.\r | |
543 | \r | |
544 | @retval EFI_SUCCESS The refresh was successful.\r | |
545 | @retval EFI_LOAD_ERROR There was an error finding what to write.\r | |
546 | **/\r | |
547 | EFI_STATUS\r | |
632820d1 | 548 | FileBufferRefresh (\r |
549 | VOID\r | |
550 | )\r | |
551 | {\r | |
552 | LIST_ENTRY *Link;\r | |
553 | EFI_EDITOR_LINE *Line;\r | |
554 | UINTN Row;\r | |
555 | \r | |
556 | //\r | |
557 | // if it's the first time after editor launch, so should refresh\r | |
558 | //\r | |
559 | if (!EditorFirst) {\r | |
560 | //\r | |
561 | // no definite required refresh\r | |
562 | // and file position displayed on screen has not been changed\r | |
563 | //\r | |
564 | if (!FileBufferNeedRefresh &&\r | |
565 | !FileBufferOnlyLineNeedRefresh &&\r | |
664fd587 RN |
566 | FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row &&\r |
567 | FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column\r | |
632820d1 | 568 | ) {\r |
664fd587 | 569 | \r |
632820d1 | 570 | FileBufferRestoreMousePosition ();\r |
571 | FileBufferRestorePosition ();\r | |
664fd587 | 572 | \r |
632820d1 | 573 | return EFI_SUCCESS;\r |
574 | }\r | |
575 | }\r | |
576 | \r | |
577 | gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r | |
578 | \r | |
579 | //\r | |
580 | // only need to refresh current line\r | |
581 | //\r | |
582 | if (FileBufferOnlyLineNeedRefresh &&\r | |
664fd587 RN |
583 | FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row &&\r |
584 | FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column\r | |
632820d1 | 585 | ) {\r |
586 | \r | |
587 | EditorClearLine (FileBuffer.DisplayPosition.Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r | |
588 | FileBufferPrintLine (\r | |
589 | FileBuffer.CurrentLine,\r | |
664fd587 | 590 | FileBuffer.DisplayPosition.Row\r |
632820d1 | 591 | );\r |
592 | } else {\r | |
593 | //\r | |
594 | // the whole edit area need refresh\r | |
595 | //\r | |
596 | \r | |
597 | //\r | |
598 | // no line\r | |
599 | //\r | |
600 | if (FileBuffer.Lines == NULL) {\r | |
601 | FileBufferRestoreMousePosition ();\r | |
602 | FileBufferRestorePosition ();\r | |
603 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
604 | \r | |
605 | return EFI_SUCCESS;\r | |
606 | }\r | |
607 | //\r | |
608 | // get the first line that will be displayed\r | |
609 | //\r | |
610 | Line = MoveLine (FileBuffer.LowVisibleRange.Row - FileBuffer.FilePosition.Row);\r | |
611 | if (Line == NULL) {\r | |
612 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
613 | \r | |
614 | return EFI_LOAD_ERROR;\r | |
615 | }\r | |
616 | \r | |
617 | Link = &(Line->Link);\r | |
618 | Row = 2;\r | |
619 | do {\r | |
620 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
621 | \r | |
622 | //\r | |
623 | // print line at row\r | |
624 | //\r | |
664fd587 | 625 | FileBufferPrintLine (Line, Row);\r |
632820d1 | 626 | \r |
627 | Link = Link->ForwardLink;\r | |
628 | Row++;\r | |
664fd587 | 629 | } while (Link != FileBuffer.ListHead && Row <= (MainEditor.ScreenSize.Row - 1));\r |
632820d1 | 630 | //\r |
631 | // while not file end and not screen full\r | |
632 | //\r | |
664fd587 | 633 | while (Row <= (MainEditor.ScreenSize.Row - 1)) {\r |
632820d1 | 634 | EditorClearLine (Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r |
635 | Row++;\r | |
636 | }\r | |
637 | }\r | |
638 | \r | |
639 | FileBufferRestoreMousePosition ();\r | |
640 | FileBufferRestorePosition ();\r | |
641 | \r | |
642 | FileBufferNeedRefresh = FALSE;\r | |
643 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
644 | \r | |
645 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
646 | return EFI_SUCCESS;\r | |
647 | }\r | |
648 | \r | |
649 | /**\r | |
650 | Create a new line and append it to the line list.\r | |
651 | Fields affected:\r | |
652 | NumLines\r | |
653 | Lines\r | |
654 | \r | |
655 | @retval NULL The create line failed.\r | |
656 | @return The line created.\r | |
657 | **/\r | |
658 | EFI_EDITOR_LINE *\r | |
632820d1 | 659 | FileBufferCreateLine (\r |
660 | VOID\r | |
661 | )\r | |
662 | {\r | |
663 | EFI_EDITOR_LINE *Line;\r | |
664 | \r | |
665 | //\r | |
666 | // allocate a line structure\r | |
667 | //\r | |
668 | Line = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r | |
669 | if (Line == NULL) {\r | |
670 | return NULL;\r | |
671 | }\r | |
672 | //\r | |
673 | // initialize the structure\r | |
674 | //\r | |
675 | Line->Signature = LINE_LIST_SIGNATURE;\r | |
676 | Line->Size = 0;\r | |
677 | Line->TotalSize = 0;\r | |
678 | Line->Type = NewLineTypeDefault;\r | |
679 | \r | |
680 | //\r | |
681 | // initial buffer of the line is "\0"\r | |
682 | //\r | |
683 | ASSERT(CHAR_NULL == CHAR_NULL);\r | |
684 | Line->Buffer = CatSPrint (NULL, L"\0");\r | |
685 | if (Line->Buffer == NULL) {\r | |
686 | return NULL;\r | |
687 | }\r | |
688 | \r | |
689 | FileBuffer.NumLines++;\r | |
690 | \r | |
691 | //\r | |
692 | // insert the line into line list\r | |
693 | //\r | |
694 | InsertTailList (FileBuffer.ListHead, &Line->Link);\r | |
695 | \r | |
696 | if (FileBuffer.Lines == NULL) {\r | |
697 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
698 | }\r | |
699 | \r | |
700 | return Line;\r | |
701 | }\r | |
702 | \r | |
703 | /**\r | |
704 | Set FileName field in FileBuffer.\r | |
705 | \r | |
706 | @param Str The file name to set.\r | |
ba0014b9 | 707 | \r |
632820d1 | 708 | @retval EFI_SUCCESS The filename was successfully set.\r |
709 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
710 | @retval EFI_INVALID_PARAMETER Str is not a valid filename.\r | |
711 | **/\r | |
712 | EFI_STATUS\r | |
632820d1 | 713 | FileBufferSetFileName (\r |
714 | IN CONST CHAR16 *Str\r | |
715 | )\r | |
716 | {\r | |
717 | //\r | |
718 | // Verify the parameters\r | |
719 | //\r | |
720 | if (!IsValidFileName(Str)) {\r | |
721 | return (EFI_INVALID_PARAMETER);\r | |
722 | }\r | |
723 | //\r | |
724 | // free the old file name\r | |
725 | //\r | |
726 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
727 | \r | |
728 | //\r | |
729 | // Allocate and set the new name\r | |
730 | //\r | |
731 | FileBuffer.FileName = CatSPrint (NULL, L"%s", Str);\r | |
732 | if (FileBuffer.FileName == NULL) {\r | |
733 | return EFI_OUT_OF_RESOURCES;\r | |
734 | }\r | |
735 | \r | |
736 | return EFI_SUCCESS;\r | |
737 | }\r | |
738 | /**\r | |
739 | Free the existing file lines and reset the modified flag.\r | |
740 | \r | |
741 | @retval EFI_SUCCESS The operation was successful.\r | |
742 | **/\r | |
743 | EFI_STATUS\r | |
632820d1 | 744 | FileBufferFree (\r |
745 | VOID\r | |
746 | )\r | |
747 | {\r | |
748 | //\r | |
749 | // free all the lines\r | |
750 | //\r | |
751 | FileBufferFreeLines ();\r | |
752 | FileBuffer.FileModified = FALSE;\r | |
753 | \r | |
754 | return EFI_SUCCESS;\r | |
755 | }\r | |
756 | \r | |
757 | \r | |
758 | /**\r | |
759 | Read a file from disk into the FileBuffer.\r | |
ba0014b9 | 760 | \r |
632820d1 | 761 | @param[in] FileName The filename to read.\r |
762 | @param[in] Recover TRUE if is for recover mode, no information printouts.\r | |
ba0014b9 | 763 | \r |
632820d1 | 764 | @retval EFI_SUCCESS The load was successful.\r |
765 | @retval EFI_LOAD_ERROR The load failed.\r | |
766 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
767 | @retval EFI_INVALID_PARAMETER FileName is a directory.\r | |
768 | **/\r | |
769 | EFI_STATUS\r | |
632820d1 | 770 | FileBufferRead (\r |
771 | IN CONST CHAR16 *FileName,\r | |
772 | IN CONST BOOLEAN Recover\r | |
773 | )\r | |
774 | {\r | |
775 | EFI_EDITOR_LINE *Line;\r | |
776 | EE_NEWLINE_TYPE Type;\r | |
777 | UINTN LoopVar1;\r | |
778 | UINTN LoopVar2;\r | |
779 | UINTN LineSize;\r | |
780 | VOID *Buffer;\r | |
781 | CHAR16 *UnicodeBuffer;\r | |
782 | UINT8 *AsciiBuffer;\r | |
783 | UINTN FileSize;\r | |
784 | SHELL_FILE_HANDLE FileHandle;\r | |
785 | BOOLEAN CreateFile;\r | |
786 | EFI_STATUS Status;\r | |
787 | UINTN LineSizeBackup;\r | |
788 | EFI_FILE_INFO *Info;\r | |
789 | \r | |
790 | Line = NULL;\r | |
791 | LoopVar1 = 0;\r | |
792 | FileSize = 0;\r | |
793 | UnicodeBuffer = NULL;\r | |
794 | Type = NewLineTypeDefault;\r | |
795 | FileHandle = NULL;\r | |
796 | CreateFile = FALSE;\r | |
797 | \r | |
798 | //\r | |
799 | // in this function, when you return error ( except EFI_OUT_OF_RESOURCES )\r | |
800 | // you should set status string via StatusBarSetStatusString(L"blah")\r | |
801 | // since this function maybe called before the editorhandleinput loop\r | |
802 | // so any error will cause editor return\r | |
803 | // so if you want to print the error status\r | |
804 | // you should set the status string\r | |
805 | //\r | |
806 | \r | |
807 | //\r | |
808 | // try to open the file\r | |
809 | //\r | |
810 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
811 | \r | |
812 | if (!EFI_ERROR(Status)) {\r | |
813 | CreateFile = FALSE;\r | |
814 | if (FileHandle == NULL) {\r | |
815 | StatusBarSetStatusString (L"Disk Error");\r | |
816 | return EFI_LOAD_ERROR;\r | |
817 | }\r | |
818 | \r | |
819 | Info = ShellGetFileInfo(FileHandle);\r | |
ba0014b9 | 820 | \r |
632820d1 | 821 | if (Info->Attribute & EFI_FILE_DIRECTORY) {\r |
822 | StatusBarSetStatusString (L"Directory Can Not Be Edited");\r | |
823 | FreePool (Info);\r | |
824 | return EFI_INVALID_PARAMETER;\r | |
825 | }\r | |
826 | \r | |
827 | if (Info->Attribute & EFI_FILE_READ_ONLY) {\r | |
828 | FileBuffer.ReadOnly = TRUE;\r | |
829 | } else {\r | |
830 | FileBuffer.ReadOnly = FALSE;\r | |
831 | }\r | |
832 | //\r | |
833 | // get file size\r | |
834 | //\r | |
835 | FileSize = (UINTN) Info->FileSize;\r | |
836 | \r | |
837 | FreePool (Info);\r | |
838 | } else if (Status == EFI_NOT_FOUND) {\r | |
839 | //\r | |
840 | // file not exists. add create and try again\r | |
841 | //\r | |
842 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);\r | |
843 | if (EFI_ERROR (Status)) {\r | |
844 | if (Status == EFI_WRITE_PROTECTED ||\r | |
845 | Status == EFI_ACCESS_DENIED ||\r | |
846 | Status == EFI_NO_MEDIA ||\r | |
847 | Status == EFI_MEDIA_CHANGED\r | |
848 | ) {\r | |
849 | StatusBarSetStatusString (L"Access Denied");\r | |
850 | } else if (Status == EFI_DEVICE_ERROR || Status == EFI_VOLUME_CORRUPTED || Status == EFI_VOLUME_FULL) {\r | |
851 | StatusBarSetStatusString (L"Disk Error");\r | |
852 | } else {\r | |
853 | StatusBarSetStatusString (L"Invalid File Name or Current-working-directory");\r | |
854 | }\r | |
855 | \r | |
856 | return Status;\r | |
857 | } else {\r | |
858 | //\r | |
859 | // it worked. now delete it and move on with the name (now validated)\r | |
860 | //\r | |
861 | Status = ShellDeleteFile (&FileHandle);\r | |
862 | if (Status == EFI_WARN_DELETE_FAILURE) {\r | |
863 | Status = EFI_ACCESS_DENIED;\r | |
864 | }\r | |
865 | FileHandle = NULL;\r | |
866 | if (EFI_ERROR (Status)) {\r | |
867 | StatusBarSetStatusString (L"Access Denied");\r | |
868 | return Status;\r | |
869 | }\r | |
870 | }\r | |
871 | //\r | |
872 | // file doesn't exist, so set CreateFile to TRUE\r | |
873 | //\r | |
874 | CreateFile = TRUE;\r | |
875 | FileBuffer.ReadOnly = FALSE;\r | |
876 | \r | |
877 | //\r | |
878 | // all the check ends\r | |
879 | // so now begin to set file name, free lines\r | |
880 | //\r | |
881 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
882 | FileBufferSetFileName (FileName);\r | |
883 | }\r | |
884 | //\r | |
885 | // free the old lines\r | |
886 | //\r | |
887 | FileBufferFree ();\r | |
888 | \r | |
889 | }\r | |
890 | //\r | |
891 | // the file exists\r | |
892 | //\r | |
893 | if (!CreateFile) {\r | |
894 | //\r | |
895 | // allocate buffer to read file\r | |
896 | //\r | |
897 | Buffer = AllocateZeroPool (FileSize);\r | |
898 | if (Buffer == NULL) {\r | |
899 | return EFI_OUT_OF_RESOURCES;\r | |
900 | }\r | |
901 | //\r | |
902 | // read file into Buffer\r | |
903 | //\r | |
904 | Status = ShellReadFile (FileHandle, &FileSize, Buffer);\r | |
905 | ShellCloseFile(&FileHandle);\r | |
906 | FileHandle = NULL;\r | |
907 | if (EFI_ERROR (Status)) {\r | |
908 | StatusBarSetStatusString (L"Read File Failed");\r | |
909 | SHELL_FREE_NON_NULL (Buffer);\r | |
910 | return EFI_LOAD_ERROR;\r | |
911 | }\r | |
912 | //\r | |
913 | // nothing in this file\r | |
914 | //\r | |
915 | if (FileSize == 0) {\r | |
916 | SHELL_FREE_NON_NULL (Buffer);\r | |
917 | //\r | |
918 | // since has no head, so only can be an ASCII file\r | |
919 | //\r | |
920 | FileBuffer.FileType = FileTypeAscii;\r | |
921 | \r | |
922 | goto Done;\r | |
923 | }\r | |
924 | \r | |
925 | AsciiBuffer = Buffer;\r | |
926 | \r | |
927 | if (FileSize < 2) {\r | |
928 | //\r | |
929 | // size < Unicode file header, so only can be ASCII file\r | |
930 | //\r | |
931 | FileBuffer.FileType = FileTypeAscii;\r | |
932 | } else {\r | |
933 | //\r | |
934 | // Unicode file\r | |
935 | //\r | |
936 | if (*(UINT16 *) Buffer == EFI_UNICODE_BYTE_ORDER_MARK) {\r | |
937 | //\r | |
938 | // Unicode file's size should be even\r | |
939 | //\r | |
940 | if ((FileSize % 2) != 0) {\r | |
941 | StatusBarSetStatusString (L"File Format Wrong");\r | |
942 | SHELL_FREE_NON_NULL (Buffer);\r | |
943 | return EFI_LOAD_ERROR;\r | |
944 | }\r | |
945 | \r | |
946 | FileSize /= 2;\r | |
947 | \r | |
948 | FileBuffer.FileType = FileTypeUnicode;\r | |
949 | UnicodeBuffer = Buffer;\r | |
950 | \r | |
951 | //\r | |
952 | // pass this 0xff and 0xfe\r | |
953 | //\r | |
954 | UnicodeBuffer++;\r | |
955 | FileSize--;\r | |
956 | } else {\r | |
957 | FileBuffer.FileType = FileTypeAscii;\r | |
958 | }\r | |
959 | //\r | |
960 | // end of AsciiBuffer ==\r | |
961 | //\r | |
962 | }\r | |
963 | //\r | |
964 | // end of FileSize < 2\r | |
965 | // all the check ends\r | |
966 | // so now begin to set file name, free lines\r | |
967 | //\r | |
968 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
969 | FileBufferSetFileName (FileName);\r | |
970 | }\r | |
971 | \r | |
972 | //\r | |
973 | // free the old lines\r | |
974 | //\r | |
975 | FileBufferFree ();\r | |
976 | \r | |
977 | //\r | |
978 | // parse file content line by line\r | |
979 | //\r | |
980 | for (LoopVar1 = 0; LoopVar1 < FileSize; LoopVar1++) {\r | |
981 | Type = NewLineTypeUnknown;\r | |
982 | \r | |
983 | for (LineSize = LoopVar1; LineSize < FileSize; LineSize++) {\r | |
984 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
985 | if (AsciiBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
986 | Type = NewLineTypeCarriageReturn;\r | |
987 | \r | |
988 | //\r | |
989 | // has LF following\r | |
990 | //\r | |
991 | if (LineSize < FileSize - 1) {\r | |
992 | if (AsciiBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
993 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
994 | }\r | |
995 | }\r | |
996 | \r | |
997 | break;\r | |
998 | } else if (AsciiBuffer[LineSize] == CHAR_LINEFEED) {\r | |
999 | Type = NewLineTypeLineFeed;\r | |
1000 | \r | |
1001 | //\r | |
1002 | // has CR following\r | |
1003 | //\r | |
1004 | if (LineSize < FileSize - 1) {\r | |
1005 | if (AsciiBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1006 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1007 | }\r | |
1008 | }\r | |
1009 | \r | |
1010 | break;\r | |
1011 | }\r | |
1012 | } else {\r | |
1013 | if (UnicodeBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
1014 | Type = NewLineTypeCarriageReturn;\r | |
1015 | \r | |
1016 | //\r | |
1017 | // has LF following\r | |
1018 | //\r | |
1019 | if (LineSize < FileSize - 1) {\r | |
1020 | if (UnicodeBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
1021 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1022 | }\r | |
1023 | }\r | |
1024 | \r | |
1025 | break;\r | |
1026 | } else if (UnicodeBuffer[LineSize] == CHAR_LINEFEED) {\r | |
1027 | Type = NewLineTypeLineFeed;\r | |
1028 | \r | |
1029 | //\r | |
1030 | // has CR following\r | |
1031 | //\r | |
1032 | if (LineSize < FileSize - 1) {\r | |
1033 | if (UnicodeBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1034 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1035 | }\r | |
1036 | }\r | |
1037 | \r | |
1038 | break;\r | |
1039 | }\r | |
1040 | }\r | |
1041 | //\r | |
1042 | // endif == ASCII\r | |
1043 | //\r | |
1044 | }\r | |
1045 | //\r | |
1046 | // end of for LineSize\r | |
1047 | //\r | |
1048 | // if the type is wrong, then exit\r | |
1049 | //\r | |
1050 | if (Type == NewLineTypeUnknown) {\r | |
1051 | //\r | |
1052 | // Now if Type is NewLineTypeUnknown, it should be file end\r | |
1053 | //\r | |
1054 | Type = NewLineTypeDefault;\r | |
1055 | }\r | |
1056 | \r | |
1057 | LineSizeBackup = LineSize;\r | |
1058 | \r | |
1059 | //\r | |
1060 | // create a new line\r | |
1061 | //\r | |
1062 | Line = FileBufferCreateLine ();\r | |
1063 | if (Line == NULL) {\r | |
1064 | SHELL_FREE_NON_NULL (Buffer);\r | |
1065 | return EFI_OUT_OF_RESOURCES;\r | |
1066 | }\r | |
1067 | //\r | |
1068 | // calculate file length\r | |
1069 | //\r | |
1070 | LineSize -= LoopVar1;\r | |
1071 | \r | |
1072 | //\r | |
1073 | // Unicode and one CHAR_NULL\r | |
1074 | //\r | |
1075 | SHELL_FREE_NON_NULL (Line->Buffer);\r | |
1076 | Line->Buffer = AllocateZeroPool (LineSize * 2 + 2);\r | |
1077 | \r | |
1078 | if (Line->Buffer == NULL) {\r | |
1079 | RemoveEntryList (&Line->Link);\r | |
1080 | return EFI_OUT_OF_RESOURCES;\r | |
1081 | }\r | |
1082 | //\r | |
1083 | // copy this line to Line->Buffer\r | |
1084 | //\r | |
1085 | for (LoopVar2 = 0; LoopVar2 < LineSize; LoopVar2++) {\r | |
1086 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1087 | Line->Buffer[LoopVar2] = (CHAR16) AsciiBuffer[LoopVar1];\r | |
1088 | } else {\r | |
1089 | Line->Buffer[LoopVar2] = UnicodeBuffer[LoopVar1];\r | |
1090 | }\r | |
1091 | \r | |
1092 | LoopVar1++;\r | |
1093 | }\r | |
1094 | //\r | |
1095 | // LoopVar1 now points to where CHAR_CARRIAGE_RETURN or CHAR_LINEFEED;\r | |
1096 | //\r | |
1097 | Line->Buffer[LineSize] = 0;\r | |
1098 | \r | |
1099 | Line->Size = LineSize;\r | |
1100 | Line->TotalSize = LineSize;\r | |
1101 | Line->Type = Type;\r | |
1102 | \r | |
1103 | if (Type == NewLineTypeCarriageReturnLineFeed || Type == NewLineTypeLineFeedCarriageReturn) {\r | |
1104 | LoopVar1++;\r | |
1105 | }\r | |
1106 | \r | |
1107 | //\r | |
1108 | // last character is a return, SO create a new line\r | |
1109 | //\r | |
1110 | if (((Type == NewLineTypeCarriageReturnLineFeed || Type == NewLineTypeLineFeedCarriageReturn) && LineSizeBackup == FileSize - 2) ||\r | |
1111 | ((Type == NewLineTypeLineFeed || Type == NewLineTypeCarriageReturn) && LineSizeBackup == FileSize - 1)\r | |
1112 | ) {\r | |
1113 | Line = FileBufferCreateLine ();\r | |
1114 | if (Line == NULL) {\r | |
1115 | SHELL_FREE_NON_NULL (Buffer);\r | |
1116 | return EFI_OUT_OF_RESOURCES;\r | |
1117 | }\r | |
1118 | }\r | |
1119 | //\r | |
1120 | // end of if\r | |
1121 | //\r | |
1122 | }\r | |
1123 | //\r | |
1124 | // end of LoopVar1\r | |
1125 | //\r | |
1126 | SHELL_FREE_NON_NULL (Buffer);\r | |
1127 | \r | |
1128 | }\r | |
1129 | //\r | |
1130 | // end of if CreateFile\r | |
1131 | //\r | |
1132 | Done:\r | |
1133 | \r | |
1134 | FileBuffer.DisplayPosition.Row = 2;\r | |
1135 | FileBuffer.DisplayPosition.Column = 1;\r | |
1136 | FileBuffer.LowVisibleRange.Row = 1;\r | |
1137 | FileBuffer.LowVisibleRange.Column = 1;\r | |
1138 | FileBuffer.FilePosition.Row = 1;\r | |
1139 | FileBuffer.FilePosition.Column = 1;\r | |
1140 | FileBuffer.MousePosition.Row = 2;\r | |
1141 | FileBuffer.MousePosition.Column = 1;\r | |
1142 | \r | |
1143 | if (!Recover) {\r | |
1144 | UnicodeBuffer = CatSPrint (NULL, L"%d Lines Read", FileBuffer.NumLines);\r | |
1145 | if (UnicodeBuffer == NULL) {\r | |
1146 | return EFI_OUT_OF_RESOURCES;\r | |
1147 | }\r | |
1148 | \r | |
1149 | StatusBarSetStatusString (UnicodeBuffer);\r | |
1150 | FreePool (UnicodeBuffer);\r | |
1151 | }\r | |
1152 | /*\r | |
1153 | //\r | |
1154 | // check whether we have fs?: in filename\r | |
1155 | //\r | |
1156 | LoopVar1 = 0;\r | |
1157 | FSMappingPtr = NULL;\r | |
1158 | while (FileName[LoopVar1] != 0) {\r | |
1159 | if (FileName[LoopVar1] == L':') {\r | |
1160 | FSMappingPtr = &FileName[LoopVar1];\r | |
1161 | break;\r | |
1162 | }\r | |
1163 | \r | |
1164 | LoopVar1++;\r | |
1165 | }\r | |
1166 | \r | |
1167 | if (FSMappingPtr == NULL) {\r | |
1168 | CurDir = ShellGetCurrentDir (NULL);\r | |
1169 | } else {\r | |
1170 | LoopVar1 = 0;\r | |
1171 | LoopVar2 = 0;\r | |
1172 | while (FileName[LoopVar1] != 0) {\r | |
1173 | if (FileName[LoopVar1] == L':') {\r | |
1174 | break;\r | |
1175 | }\r | |
1176 | \r | |
1177 | FSMapping[LoopVar2++] = FileName[LoopVar1];\r | |
1178 | \r | |
1179 | LoopVar1++;\r | |
1180 | }\r | |
1181 | \r | |
1182 | FSMapping[LoopVar2] = 0;\r | |
1183 | CurDir = ShellGetCurrentDir (FSMapping);\r | |
1184 | }\r | |
1185 | \r | |
1186 | if (CurDir != NULL) {\r | |
1187 | for (LoopVar1 = 0; LoopVar1 < StrLen (CurDir) && CurDir[LoopVar1] != ':'; LoopVar1++);\r | |
1188 | \r | |
1189 | CurDir[LoopVar1] = 0;\r | |
1190 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) ShellGetMap (CurDir);\r | |
1191 | FreePool (CurDir);\r | |
1192 | } else {\r | |
1193 | return EFI_LOAD_ERROR;\r | |
1194 | }\r | |
1195 | \r | |
1196 | Status = LibDevicePathToInterface (\r | |
1197 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1198 | DevicePath,\r | |
1199 | (VOID **) &Vol\r | |
1200 | );\r | |
1201 | if (EFI_ERROR (Status)) {\r | |
1202 | return EFI_LOAD_ERROR;\r | |
1203 | }\r | |
1204 | \r | |
1205 | Status = Vol->OpenVolume (Vol, &RootFs);\r | |
1206 | if (EFI_ERROR (Status)) {\r | |
1207 | return EFI_LOAD_ERROR;\r | |
1208 | }\r | |
1209 | //\r | |
1210 | // Get volume information of file system\r | |
1211 | //\r | |
1212 | Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + 100;\r | |
1213 | VolumeInfo = (EFI_FILE_SYSTEM_INFO *) AllocateZeroPool (Size);\r | |
1214 | Status = RootFs->GetInfo (RootFs, &gEfiFileSystemInfoGuid, &Size, VolumeInfo);\r | |
1215 | if (EFI_ERROR (Status)) {\r | |
1216 | RootFs->Close (RootFs);\r | |
1217 | return EFI_LOAD_ERROR;\r | |
1218 | }\r | |
1219 | \r | |
1220 | if (VolumeInfo->ReadOnly) {\r | |
1221 | StatusBarSetStatusString (L"WARNING: Volume Read Only");\r | |
1222 | }\r | |
1223 | \r | |
1224 | FreePool (VolumeInfo);\r | |
1225 | RootFs->Close (RootFs);\r | |
1226 | }\r | |
1227 | //\r | |
1228 | */\r | |
1229 | //\r | |
1230 | // has line\r | |
1231 | //\r | |
1232 | if (FileBuffer.Lines != 0) {\r | |
1233 | FileBuffer.CurrentLine = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1234 | } else {\r | |
1235 | //\r | |
1236 | // create a dummy line\r | |
1237 | //\r | |
1238 | Line = FileBufferCreateLine ();\r | |
1239 | if (Line == NULL) {\r | |
1240 | return EFI_OUT_OF_RESOURCES;\r | |
1241 | }\r | |
1242 | \r | |
1243 | FileBuffer.CurrentLine = Line;\r | |
1244 | }\r | |
1245 | \r | |
1246 | FileBuffer.FileModified = FALSE;\r | |
1247 | FileBufferNeedRefresh = TRUE;\r | |
1248 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1249 | FileBufferMouseNeedRefresh = TRUE;\r | |
1250 | \r | |
1251 | \r | |
1252 | return EFI_SUCCESS;\r | |
1253 | }\r | |
1254 | \r | |
1255 | /**\r | |
1256 | According to FileBuffer.NewLineType & FileBuffer.FileType,\r | |
1257 | get the return buffer and size.\r | |
1258 | \r | |
1259 | @param[in] Type The type of line.\r | |
1260 | @param[out] Buffer The buffer to fill.\r | |
1261 | @param[out] Size The amount of the buffer used on return.\r | |
1262 | **/\r | |
1263 | VOID\r | |
632820d1 | 1264 | GetNewLine (\r |
1265 | IN CONST EE_NEWLINE_TYPE Type,\r | |
1266 | OUT CHAR8 *Buffer,\r | |
1267 | OUT UINT8 *Size\r | |
1268 | )\r | |
1269 | {\r | |
1270 | UINT8 NewLineSize;\r | |
1271 | \r | |
1272 | //\r | |
1273 | // give new line buffer,\r | |
1274 | // and will judge unicode or ascii\r | |
1275 | //\r | |
1276 | NewLineSize = 0;\r | |
1277 | \r | |
1278 | //\r | |
1279 | // not legal new line type\r | |
1280 | //\r | |
1281 | if (Type != NewLineTypeLineFeed && Type != NewLineTypeCarriageReturn && Type != NewLineTypeCarriageReturnLineFeed && Type != NewLineTypeLineFeedCarriageReturn) {\r | |
1282 | *Size = 0;\r | |
1283 | return ;\r | |
1284 | }\r | |
1285 | //\r | |
1286 | // use_cr: give 0x0d\r | |
1287 | //\r | |
1288 | if (Type == NewLineTypeCarriageReturn) {\r | |
1289 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1290 | Buffer[0] = 0x0d;\r | |
1291 | Buffer[1] = 0;\r | |
1292 | NewLineSize = 2;\r | |
1293 | } else {\r | |
1294 | Buffer[0] = 0x0d;\r | |
1295 | NewLineSize = 1;\r | |
1296 | }\r | |
1297 | \r | |
1298 | *Size = NewLineSize;\r | |
1299 | return ;\r | |
1300 | }\r | |
1301 | //\r | |
1302 | // use_lf: give 0x0a\r | |
1303 | //\r | |
1304 | if (Type == NewLineTypeLineFeed) {\r | |
1305 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1306 | Buffer[0] = 0x0a;\r | |
1307 | Buffer[1] = 0;\r | |
1308 | NewLineSize = 2;\r | |
1309 | } else {\r | |
1310 | Buffer[0] = 0x0a;\r | |
1311 | NewLineSize = 1;\r | |
1312 | }\r | |
1313 | \r | |
1314 | *Size = NewLineSize;\r | |
1315 | return ;\r | |
1316 | }\r | |
1317 | //\r | |
1318 | // use_crlf: give 0x0d 0x0a\r | |
1319 | //\r | |
1320 | if (Type == NewLineTypeCarriageReturnLineFeed) {\r | |
1321 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1322 | Buffer[0] = 0x0d;\r | |
1323 | Buffer[1] = 0;\r | |
1324 | Buffer[2] = 0x0a;\r | |
1325 | Buffer[3] = 0;\r | |
1326 | \r | |
1327 | NewLineSize = 4;\r | |
1328 | } else {\r | |
1329 | Buffer[0] = 0x0d;\r | |
1330 | Buffer[1] = 0x0a;\r | |
1331 | NewLineSize = 2;\r | |
1332 | }\r | |
1333 | \r | |
1334 | *Size = NewLineSize;\r | |
1335 | return ;\r | |
1336 | }\r | |
1337 | //\r | |
1338 | // use_lfcr: give 0x0a 0x0d\r | |
1339 | //\r | |
1340 | if (Type == NewLineTypeLineFeedCarriageReturn) {\r | |
1341 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1342 | Buffer[0] = 0x0a;\r | |
1343 | Buffer[1] = 0;\r | |
1344 | Buffer[2] = 0x0d;\r | |
1345 | Buffer[3] = 0;\r | |
1346 | \r | |
1347 | NewLineSize = 4;\r | |
1348 | } else {\r | |
1349 | Buffer[0] = 0x0a;\r | |
1350 | Buffer[1] = 0x0d;\r | |
1351 | NewLineSize = 2;\r | |
1352 | }\r | |
1353 | \r | |
1354 | *Size = NewLineSize;\r | |
1355 | return ;\r | |
1356 | }\r | |
1357 | \r | |
1358 | }\r | |
1359 | \r | |
1360 | /**\r | |
1361 | Change a Unicode string to an ASCII string.\r | |
1362 | \r | |
1363 | @param[in] UStr The Unicode string.\r | |
ae724571 | 1364 | @param[in] Length The maximum size of AStr.\r |
632820d1 | 1365 | @param[out] AStr ASCII string to pass out.\r |
1366 | \r | |
1367 | @return The actuall length.\r | |
1368 | **/\r | |
1369 | UINTN\r | |
632820d1 | 1370 | UnicodeToAscii (\r |
ae724571 | 1371 | IN CONST CHAR16 *UStr,\r |
1372 | IN CONST UINTN Length,\r | |
1373 | OUT CHAR8 *AStr\r | |
632820d1 | 1374 | )\r |
1375 | {\r | |
1376 | UINTN Index;\r | |
1377 | \r | |
1378 | //\r | |
1379 | // just buffer copy, not character copy\r | |
1380 | //\r | |
1381 | for (Index = 0; Index < Length; Index++) {\r | |
1382 | *AStr++ = (CHAR8) *UStr++;\r | |
1383 | }\r | |
1384 | \r | |
1385 | return Index;\r | |
1386 | }\r | |
1387 | \r | |
1388 | /**\r | |
1389 | Save lines in FileBuffer to disk\r | |
1390 | \r | |
1391 | @param[in] FileName The file name for writing.\r | |
1392 | \r | |
1393 | @retval EFI_SUCCESS Data was written.\r | |
ba0014b9 | 1394 | @retval EFI_LOAD_ERROR\r |
632820d1 | 1395 | @retval EFI_OUT_OF_RESOURCES There were not enough resources to write the file.\r |
1396 | **/\r | |
1397 | EFI_STATUS\r | |
632820d1 | 1398 | FileBufferSave (\r |
1399 | IN CONST CHAR16 *FileName\r | |
1400 | )\r | |
1401 | {\r | |
1402 | SHELL_FILE_HANDLE FileHandle;\r | |
1403 | LIST_ENTRY *Link;\r | |
1404 | EFI_EDITOR_LINE *Line;\r | |
1405 | CHAR16 *Str;\r | |
1406 | \r | |
1407 | EFI_STATUS Status;\r | |
1408 | UINTN Length;\r | |
1409 | UINTN NumLines;\r | |
1410 | CHAR8 NewLineBuffer[4];\r | |
1411 | UINT8 NewLineSize;\r | |
1412 | \r | |
1413 | EFI_FILE_INFO *Info;\r | |
1414 | \r | |
1415 | UINT64 Attribute;\r | |
1416 | \r | |
1417 | EE_NEWLINE_TYPE Type;\r | |
1418 | \r | |
1419 | UINTN TotalSize;\r | |
1420 | //\r | |
1421 | // 2M\r | |
1422 | //\r | |
1423 | CHAR8 *Cache;\r | |
1424 | UINTN LeftSize;\r | |
1425 | UINTN Size;\r | |
1426 | CHAR8 *Ptr;\r | |
1427 | \r | |
1428 | Length = 0;\r | |
1429 | //\r | |
1430 | // 2M\r | |
1431 | //\r | |
1432 | TotalSize = 0x200000;\r | |
1433 | \r | |
1434 | Attribute = 0;\r | |
1435 | \r | |
1436 | \r | |
1437 | \r | |
1438 | //\r | |
1439 | // if is the old file\r | |
1440 | //\r | |
33c031ee | 1441 | if (FileBuffer.FileName != NULL && StrCmp (FileName, FileBuffer.FileName) == 0) {\r |
632820d1 | 1442 | //\r |
1443 | // file has not been modified\r | |
1444 | //\r | |
1445 | if (!FileBuffer.FileModified) {\r | |
1446 | return EFI_SUCCESS;\r | |
1447 | }\r | |
1448 | \r | |
1449 | //\r | |
1450 | // if file is read-only, set error\r | |
1451 | //\r | |
1452 | if (FileBuffer.ReadOnly) {\r | |
1453 | StatusBarSetStatusString (L"Read Only File Can Not Be Saved");\r | |
1454 | return EFI_SUCCESS;\r | |
1455 | }\r | |
1456 | }\r | |
1457 | \r | |
1458 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);\r | |
1459 | \r | |
1460 | if (!EFI_ERROR (Status)) {\r | |
1461 | Info = ShellGetFileInfo(FileHandle);\r | |
1462 | \r | |
1463 | if (Info != NULL && Info->Attribute & EFI_FILE_DIRECTORY) {\r | |
1464 | StatusBarSetStatusString (L"Directory Can Not Be Saved");\r | |
d5e35fdd | 1465 | ShellCloseFile (&FileHandle);\r |
632820d1 | 1466 | FreePool(Info);\r |
1467 | return EFI_LOAD_ERROR;\r | |
1468 | }\r | |
ba0014b9 | 1469 | \r |
632820d1 | 1470 | if (Info != NULL) {\r |
1471 | Attribute = Info->Attribute & ~EFI_FILE_READ_ONLY;\r | |
1472 | FreePool(Info);\r | |
1473 | }\r | |
1474 | \r | |
1475 | //\r | |
1476 | // if file exits, so delete it\r | |
1477 | //\r | |
1478 | Status = ShellDeleteFile (&FileHandle);\r | |
1479 | if (EFI_ERROR (Status) || Status == EFI_WARN_DELETE_FAILURE) {\r | |
1480 | StatusBarSetStatusString (L"Write File Failed");\r | |
1481 | return EFI_LOAD_ERROR;\r | |
1482 | }\r | |
1483 | }\r | |
1484 | \r | |
1485 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, Attribute);\r | |
1486 | \r | |
1487 | if (EFI_ERROR (Status)) {\r | |
1488 | StatusBarSetStatusString (L"Create File Failed");\r | |
1489 | return EFI_LOAD_ERROR;\r | |
1490 | }\r | |
1491 | \r | |
1492 | //\r | |
1493 | // if file is Unicode file, write Unicode header to it.\r | |
1494 | //\r | |
1495 | if (FileBuffer.FileType == FileTypeUnicode) {\r | |
1496 | Length = 2;\r | |
1497 | Status = ShellWriteFile (FileHandle, &Length, (VOID*)&gUnicodeFileTag);\r | |
1498 | if (EFI_ERROR (Status)) {\r | |
1499 | ShellDeleteFile (&FileHandle);\r | |
1500 | return EFI_LOAD_ERROR;\r | |
1501 | }\r | |
1502 | }\r | |
1503 | \r | |
1504 | Cache = AllocateZeroPool (TotalSize);\r | |
1505 | if (Cache == NULL) {\r | |
1506 | ShellDeleteFile (&FileHandle);\r | |
1507 | return EFI_OUT_OF_RESOURCES;\r | |
1508 | }\r | |
1509 | \r | |
1510 | //\r | |
1511 | // write all the lines back to disk\r | |
1512 | //\r | |
1513 | NumLines = 0;\r | |
1514 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1515 | \r | |
1516 | Ptr = Cache;\r | |
1517 | LeftSize = TotalSize;\r | |
1518 | \r | |
1519 | for (Link = FileBuffer.ListHead->ForwardLink; Link != FileBuffer.ListHead; Link = Link->ForwardLink) {\r | |
1520 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1521 | \r | |
1522 | if (Line->Type != NewLineTypeDefault) {\r | |
1523 | Type = Line->Type;\r | |
1524 | }\r | |
1525 | //\r | |
1526 | // newline character is at most 4 bytes ( two Unicode characters )\r | |
1527 | //\r | |
1528 | Length = 4;\r | |
1529 | if (Line->Buffer != NULL && Line->Size != 0) {\r | |
1530 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1531 | Length += Line->Size;\r | |
1532 | } else {\r | |
1533 | Length += (Line->Size * 2);\r | |
1534 | }\r | |
1535 | //\r | |
1536 | // end if FileTypeAscii\r | |
1537 | //\r | |
1538 | }\r | |
1539 | \r | |
1540 | //\r | |
1541 | // no cache room left, so write cache to disk\r | |
1542 | //\r | |
1543 | if (LeftSize < Length) {\r | |
1544 | Size = TotalSize - LeftSize;\r | |
1545 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
1546 | if (EFI_ERROR (Status)) {\r | |
ba0014b9 | 1547 | ShellDeleteFile (&FileHandle);\r |
632820d1 | 1548 | FreePool (Cache);\r |
1549 | return EFI_LOAD_ERROR;\r | |
1550 | }\r | |
1551 | Ptr = Cache;\r | |
1552 | LeftSize = TotalSize;\r | |
1553 | }\r | |
1554 | \r | |
1555 | if (Line->Buffer != NULL && Line->Size != 0) {\r | |
1556 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1557 | UnicodeToAscii (Line->Buffer, Line->Size, Ptr);\r | |
1558 | Length = Line->Size;\r | |
1559 | } else {\r | |
1560 | Length = (Line->Size * 2);\r | |
1561 | CopyMem (Ptr, (CHAR8 *) Line->Buffer, Length);\r | |
1562 | }\r | |
1563 | //\r | |
1564 | // end if FileTypeAscii\r | |
1565 | //\r | |
1566 | Ptr += Length;\r | |
1567 | LeftSize -= Length;\r | |
1568 | \r | |
1569 | }\r | |
1570 | //\r | |
1571 | // end of if Line -> Buffer != NULL && Line -> Size != 0\r | |
1572 | //\r | |
1573 | // if not the last line , write return buffer to disk\r | |
1574 | //\r | |
1575 | if (Link->ForwardLink != FileBuffer.ListHead) {\r | |
1576 | GetNewLine (Type, NewLineBuffer, &NewLineSize);\r | |
1577 | CopyMem (Ptr, (CHAR8 *) NewLineBuffer, NewLineSize);\r | |
1578 | \r | |
1579 | Ptr += NewLineSize;\r | |
1580 | LeftSize -= NewLineSize;\r | |
1581 | }\r | |
1582 | \r | |
1583 | NumLines++;\r | |
1584 | }\r | |
1585 | \r | |
1586 | if (TotalSize != LeftSize) {\r | |
1587 | Size = TotalSize - LeftSize;\r | |
1588 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
1589 | if (EFI_ERROR (Status)) {\r | |
1590 | ShellDeleteFile (&FileHandle);\r | |
1591 | FreePool (Cache);\r | |
1592 | return EFI_LOAD_ERROR;\r | |
1593 | }\r | |
1594 | }\r | |
1595 | \r | |
1596 | FreePool (Cache);\r | |
1597 | \r | |
1598 | ShellCloseFile(&FileHandle);\r | |
1599 | \r | |
1600 | FileBuffer.FileModified = FALSE;\r | |
1601 | \r | |
1602 | //\r | |
1603 | // set status string\r | |
1604 | //\r | |
2926498f | 1605 | Str = CatSPrint (NULL, L"%d Lines Written", NumLines);\r |
632820d1 | 1606 | if (Str == NULL) {\r |
1607 | return EFI_OUT_OF_RESOURCES;\r | |
1608 | }\r | |
1609 | \r | |
1610 | StatusBarSetStatusString (Str);\r | |
1611 | SHELL_FREE_NON_NULL (Str);\r | |
1612 | \r | |
1613 | //\r | |
1614 | // now everything is ready , you can set the new file name to filebuffer\r | |
1615 | //\r | |
ae724571 | 1616 | if (FileName != NULL && FileBuffer.FileName != NULL && StrCmp (FileName, FileBuffer.FileName) != 0) {\r |
632820d1 | 1617 | //\r |
1618 | // not the same\r | |
1619 | //\r | |
1620 | FileBufferSetFileName (FileName);\r | |
1621 | if (FileBuffer.FileName == NULL) {\r | |
1622 | ShellDeleteFile (&FileHandle);\r | |
1623 | return EFI_OUT_OF_RESOURCES;\r | |
1624 | }\r | |
1625 | }\r | |
1626 | \r | |
1627 | FileBuffer.ReadOnly = FALSE;\r | |
1628 | return EFI_SUCCESS;\r | |
1629 | }\r | |
1630 | \r | |
1631 | /**\r | |
1632 | Scroll cursor to left 1 character position.\r | |
1633 | \r | |
1634 | @retval EFI_SUCCESS The operation was successful.\r | |
1635 | **/\r | |
1636 | EFI_STATUS\r | |
632820d1 | 1637 | FileBufferScrollLeft (\r |
1638 | VOID\r | |
1639 | )\r | |
1640 | {\r | |
1641 | EFI_EDITOR_LINE *Line;\r | |
1642 | UINTN FRow;\r | |
1643 | UINTN FCol;\r | |
1644 | \r | |
1645 | Line = FileBuffer.CurrentLine;\r | |
1646 | \r | |
1647 | FRow = FileBuffer.FilePosition.Row;\r | |
1648 | FCol = FileBuffer.FilePosition.Column;\r | |
1649 | \r | |
1650 | //\r | |
1651 | // if already at start of this line, so move to the end of previous line\r | |
1652 | //\r | |
1653 | if (FCol <= 1) {\r | |
1654 | //\r | |
1655 | // has previous line\r | |
1656 | //\r | |
1657 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
1658 | FRow--;\r | |
1659 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1660 | FCol = Line->Size + 1;\r | |
1661 | } else {\r | |
1662 | return EFI_SUCCESS;\r | |
1663 | }\r | |
1664 | } else {\r | |
1665 | //\r | |
1666 | // if not at start of this line, just move to previous column\r | |
1667 | //\r | |
1668 | FCol--;\r | |
1669 | }\r | |
1670 | \r | |
1671 | FileBufferMovePosition (FRow, FCol);\r | |
1672 | \r | |
1673 | return EFI_SUCCESS;\r | |
1674 | }\r | |
1675 | \r | |
1676 | /**\r | |
1677 | Delete a char in line\r | |
1678 | \r | |
4ff7e37b ED |
1679 | @param[in, out] Line The line to delete in.\r |
1680 | @param[in] Pos Position to delete the char at ( start from 0 ).\r | |
632820d1 | 1681 | **/\r |
1682 | VOID\r | |
632820d1 | 1683 | LineDeleteAt (\r |
1684 | IN OUT EFI_EDITOR_LINE *Line,\r | |
1685 | IN UINTN Pos\r | |
1686 | )\r | |
1687 | {\r | |
1688 | UINTN Index;\r | |
1689 | \r | |
1690 | //\r | |
1691 | // move the latter characters front\r | |
1692 | //\r | |
1693 | for (Index = Pos - 1; Index < Line->Size; Index++) {\r | |
1694 | Line->Buffer[Index] = Line->Buffer[Index + 1];\r | |
1695 | }\r | |
1696 | \r | |
1697 | Line->Size--;\r | |
1698 | }\r | |
1699 | \r | |
1700 | /**\r | |
1701 | Concatenate Src into Dest.\r | |
1702 | \r | |
4ff7e37b ED |
1703 | @param[in, out] Dest Destination string\r |
1704 | @param[in] Src Src String.\r | |
632820d1 | 1705 | **/\r |
1706 | VOID\r | |
632820d1 | 1707 | LineCat (\r |
1708 | IN OUT EFI_EDITOR_LINE *Dest,\r | |
1709 | IN EFI_EDITOR_LINE *Src\r | |
1710 | )\r | |
1711 | {\r | |
1712 | CHAR16 *Str;\r | |
1713 | UINTN Size;\r | |
1714 | \r | |
1715 | Size = Dest->Size;\r | |
1716 | \r | |
1717 | Dest->Buffer[Size] = 0;\r | |
1718 | \r | |
1719 | //\r | |
1720 | // concatenate the two strings\r | |
1721 | //\r | |
1722 | Str = CatSPrint (NULL, L"%s%s", Dest->Buffer, Src->Buffer);\r | |
1723 | if (Str == NULL) {\r | |
1724 | Dest->Buffer = NULL;\r | |
1725 | return ;\r | |
1726 | }\r | |
1727 | \r | |
1728 | Dest->Size = Size + Src->Size;\r | |
1729 | Dest->TotalSize = Dest->Size;\r | |
1730 | \r | |
1731 | FreePool (Dest->Buffer);\r | |
1732 | FreePool (Src->Buffer);\r | |
1733 | \r | |
1734 | //\r | |
1735 | // put str to dest->buffer\r | |
1736 | //\r | |
1737 | Dest->Buffer = Str;\r | |
1738 | }\r | |
1739 | \r | |
1740 | /**\r | |
1741 | Delete the previous character.\r | |
1742 | \r | |
1743 | @retval EFI_SUCCESS The delete was successful.\r | |
1744 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1745 | **/\r | |
1746 | EFI_STATUS\r | |
632820d1 | 1747 | FileBufferDoBackspace (\r |
1748 | VOID\r | |
1749 | )\r | |
1750 | {\r | |
1751 | EFI_EDITOR_LINE *Line;\r | |
1752 | EFI_EDITOR_LINE *End;\r | |
1753 | LIST_ENTRY *Link;\r | |
1754 | UINTN FileColumn;\r | |
1755 | \r | |
1756 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1757 | \r | |
1758 | Line = FileBuffer.CurrentLine;\r | |
1759 | \r | |
1760 | //\r | |
1761 | // the first column\r | |
1762 | //\r | |
1763 | if (FileColumn == 1) {\r | |
1764 | //\r | |
1765 | // the first row\r | |
1766 | //\r | |
1767 | if (FileBuffer.FilePosition.Row == 1) {\r | |
1768 | return EFI_SUCCESS;\r | |
1769 | }\r | |
1770 | \r | |
1771 | FileBufferScrollLeft ();\r | |
1772 | \r | |
1773 | Line = FileBuffer.CurrentLine;\r | |
1774 | Link = Line->Link.ForwardLink;\r | |
1775 | End = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1776 | \r | |
1777 | //\r | |
1778 | // concatenate this line with previous line\r | |
1779 | //\r | |
1780 | LineCat (Line, End);\r | |
1781 | if (Line->Buffer == NULL) {\r | |
1782 | return EFI_OUT_OF_RESOURCES;\r | |
1783 | }\r | |
1784 | //\r | |
1785 | // remove End from line list\r | |
1786 | //\r | |
1787 | RemoveEntryList (&End->Link);\r | |
1788 | FreePool (End);\r | |
1789 | \r | |
1790 | FileBuffer.NumLines--;\r | |
1791 | \r | |
1792 | FileBufferNeedRefresh = TRUE;\r | |
1793 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1794 | \r | |
1795 | } else {\r | |
1796 | //\r | |
1797 | // just delete the previous character\r | |
1798 | //\r | |
1799 | LineDeleteAt (Line, FileColumn - 1);\r | |
1800 | FileBufferScrollLeft ();\r | |
1801 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1802 | }\r | |
1803 | \r | |
1804 | if (!FileBuffer.FileModified) {\r | |
1805 | FileBuffer.FileModified = TRUE;\r | |
1806 | }\r | |
1807 | \r | |
1808 | return EFI_SUCCESS;\r | |
1809 | }\r | |
1810 | \r | |
1811 | /**\r | |
1812 | Add a return into line at current position.\r | |
1813 | \r | |
1814 | @retval EFI_SUCCESS The insetrion of the character was successful.\r | |
1815 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1816 | **/\r | |
1817 | EFI_STATUS\r | |
632820d1 | 1818 | FileBufferDoReturn (\r |
1819 | VOID\r | |
1820 | )\r | |
1821 | {\r | |
1822 | EFI_EDITOR_LINE *Line;\r | |
1823 | EFI_EDITOR_LINE *NewLine;\r | |
1824 | UINTN FileColumn;\r | |
1825 | UINTN Index;\r | |
1826 | CHAR16 *Buffer;\r | |
1827 | UINTN Row;\r | |
1828 | UINTN Col;\r | |
1829 | \r | |
1830 | FileBufferNeedRefresh = TRUE;\r | |
1831 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1832 | \r | |
1833 | Line = FileBuffer.CurrentLine;\r | |
1834 | \r | |
1835 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1836 | \r | |
1837 | NewLine = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r | |
1838 | if (NewLine == NULL) {\r | |
1839 | return EFI_OUT_OF_RESOURCES;\r | |
1840 | }\r | |
1841 | \r | |
1842 | NewLine->Signature = LINE_LIST_SIGNATURE;\r | |
1843 | NewLine->Size = Line->Size - FileColumn + 1;\r | |
1844 | NewLine->TotalSize = NewLine->Size;\r | |
1845 | NewLine->Buffer = CatSPrint (NULL, L"\0");\r | |
1846 | if (NewLine->Buffer == NULL) {\r | |
1847 | return EFI_OUT_OF_RESOURCES;\r | |
1848 | }\r | |
1849 | \r | |
1850 | NewLine->Type = NewLineTypeDefault;\r | |
1851 | \r | |
1852 | if (NewLine->Size > 0) {\r | |
1853 | //\r | |
1854 | // UNICODE + CHAR_NULL\r | |
1855 | //\r | |
1856 | Buffer = AllocateZeroPool (2 * (NewLine->Size + 1));\r | |
1857 | if (Buffer == NULL) {\r | |
1858 | FreePool (NewLine->Buffer);\r | |
1859 | FreePool (NewLine);\r | |
1860 | return EFI_OUT_OF_RESOURCES;\r | |
1861 | }\r | |
1862 | \r | |
1863 | FreePool (NewLine->Buffer);\r | |
1864 | \r | |
1865 | NewLine->Buffer = Buffer;\r | |
1866 | \r | |
1867 | for (Index = 0; Index < NewLine->Size; Index++) {\r | |
1868 | NewLine->Buffer[Index] = Line->Buffer[Index + FileColumn - 1];\r | |
1869 | }\r | |
1870 | \r | |
1871 | NewLine->Buffer[NewLine->Size] = CHAR_NULL;\r | |
1872 | \r | |
1873 | Line->Buffer[FileColumn - 1] = CHAR_NULL;\r | |
1874 | Line->Size = FileColumn - 1;\r | |
1875 | }\r | |
1876 | //\r | |
1877 | // increase NumLines\r | |
1878 | //\r | |
1879 | FileBuffer.NumLines++;\r | |
1880 | \r | |
1881 | //\r | |
1882 | // insert it into the correct position of line list\r | |
1883 | //\r | |
1884 | NewLine->Link.BackLink = &(Line->Link);\r | |
1885 | NewLine->Link.ForwardLink = Line->Link.ForwardLink;\r | |
1886 | Line->Link.ForwardLink->BackLink = &(NewLine->Link);\r | |
1887 | Line->Link.ForwardLink = &(NewLine->Link);\r | |
1888 | \r | |
1889 | //\r | |
1890 | // move cursor to the start of next line\r | |
1891 | //\r | |
1892 | Row = FileBuffer.FilePosition.Row + 1;\r | |
1893 | Col = 1;\r | |
1894 | \r | |
1895 | FileBufferMovePosition (Row, Col);\r | |
1896 | \r | |
1897 | //\r | |
1898 | // set file is modified\r | |
1899 | //\r | |
1900 | if (!FileBuffer.FileModified) {\r | |
1901 | FileBuffer.FileModified = TRUE;\r | |
1902 | }\r | |
1903 | \r | |
1904 | return EFI_SUCCESS;\r | |
1905 | }\r | |
1906 | \r | |
1907 | /**\r | |
ba0014b9 | 1908 | Delete current character from current line. This is the effect caused\r |
632820d1 | 1909 | by the 'del' key.\r |
1910 | \r | |
1911 | @retval EFI_SUCCESS\r | |
1912 | **/\r | |
1913 | EFI_STATUS\r | |
632820d1 | 1914 | FileBufferDoDelete (\r |
1915 | VOID\r | |
1916 | )\r | |
1917 | {\r | |
1918 | EFI_EDITOR_LINE *Line;\r | |
1919 | EFI_EDITOR_LINE *Next;\r | |
1920 | LIST_ENTRY *Link;\r | |
1921 | UINTN FileColumn;\r | |
1922 | \r | |
1923 | Line = FileBuffer.CurrentLine;\r | |
1924 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1925 | \r | |
1926 | //\r | |
1927 | // the last column\r | |
1928 | //\r | |
1929 | if (FileColumn >= Line->Size + 1) {\r | |
1930 | //\r | |
1931 | // the last line\r | |
1932 | //\r | |
1933 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
1934 | return EFI_SUCCESS;\r | |
1935 | }\r | |
1936 | //\r | |
1937 | // since last character,\r | |
1938 | // so will add the next line to this line\r | |
1939 | //\r | |
1940 | Link = Line->Link.ForwardLink;\r | |
1941 | Next = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1942 | LineCat (Line, Next);\r | |
1943 | if (Line->Buffer == NULL) {\r | |
1944 | return EFI_OUT_OF_RESOURCES;\r | |
1945 | }\r | |
1946 | \r | |
1947 | RemoveEntryList (&Next->Link);\r | |
1948 | FreePool (Next);\r | |
1949 | \r | |
1950 | FileBuffer.NumLines--;\r | |
1951 | \r | |
1952 | FileBufferNeedRefresh = TRUE;\r | |
1953 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1954 | \r | |
1955 | } else {\r | |
1956 | //\r | |
1957 | // just delete current character\r | |
1958 | //\r | |
1959 | LineDeleteAt (Line, FileColumn);\r | |
1960 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1961 | }\r | |
1962 | \r | |
1963 | if (!FileBuffer.FileModified) {\r | |
1964 | FileBuffer.FileModified = TRUE;\r | |
1965 | }\r | |
1966 | \r | |
1967 | return EFI_SUCCESS;\r | |
1968 | }\r | |
1969 | \r | |
1970 | /**\r | |
1971 | Scroll cursor to right 1 character.\r | |
1972 | \r | |
1973 | @retval EFI_SUCCESS The operation was successful.\r | |
1974 | **/\r | |
1975 | EFI_STATUS\r | |
632820d1 | 1976 | FileBufferScrollRight (\r |
1977 | VOID\r | |
1978 | )\r | |
1979 | {\r | |
1980 | EFI_EDITOR_LINE *Line;\r | |
1981 | UINTN FRow;\r | |
1982 | UINTN FCol;\r | |
1983 | \r | |
1984 | Line = FileBuffer.CurrentLine;\r | |
1985 | if (Line->Buffer == NULL) {\r | |
1986 | return EFI_SUCCESS;\r | |
1987 | }\r | |
1988 | \r | |
1989 | FRow = FileBuffer.FilePosition.Row;\r | |
1990 | FCol = FileBuffer.FilePosition.Column;\r | |
1991 | \r | |
1992 | //\r | |
1993 | // if already at end of this line, scroll it to the start of next line\r | |
1994 | //\r | |
1995 | if (FCol > Line->Size) {\r | |
1996 | //\r | |
1997 | // has next line\r | |
1998 | //\r | |
1999 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2000 | FRow++;\r | |
2001 | FCol = 1;\r | |
2002 | } else {\r | |
2003 | return EFI_SUCCESS;\r | |
2004 | }\r | |
2005 | } else {\r | |
2006 | //\r | |
2007 | // if not at end of this line, just move to next column\r | |
2008 | //\r | |
2009 | FCol++;\r | |
2010 | }\r | |
2011 | \r | |
2012 | FileBufferMovePosition (FRow, FCol);\r | |
2013 | \r | |
2014 | return EFI_SUCCESS;\r | |
2015 | }\r | |
2016 | \r | |
2017 | /**\r | |
2018 | Insert a char into line\r | |
2019 | \r | |
ba0014b9 | 2020 | \r |
632820d1 | 2021 | @param[in] Line The line to insert into.\r |
2022 | @param[in] Char The char to insert.\r | |
2023 | @param[in] Pos The position to insert the char at ( start from 0 ).\r | |
2024 | @param[in] StrSize The current string size ( include CHAR_NULL ),unit is Unicode character.\r | |
2025 | \r | |
2026 | @return The new string size ( include CHAR_NULL ) ( unit is Unicode character ).\r | |
2027 | **/\r | |
2028 | UINTN\r | |
632820d1 | 2029 | LineStrInsert (\r |
2030 | IN EFI_EDITOR_LINE *Line,\r | |
2031 | IN CHAR16 Char,\r | |
2032 | IN UINTN Pos,\r | |
2033 | IN UINTN StrSize\r | |
2034 | )\r | |
2035 | {\r | |
2036 | UINTN Index;\r | |
2037 | CHAR16 *TempStringPtr;\r | |
2038 | CHAR16 *Str;\r | |
2039 | \r | |
2040 | Index = (StrSize) * 2;\r | |
2041 | \r | |
2042 | Str = Line->Buffer;\r | |
2043 | \r | |
2044 | //\r | |
2045 | // do not have free space\r | |
2046 | //\r | |
2047 | if (Line->TotalSize <= Line->Size) {\r | |
2048 | Str = ReallocatePool (Index, Index + 16, Str);\r | |
2049 | if (Str == NULL) {\r | |
2050 | return 0;\r | |
2051 | }\r | |
2052 | \r | |
2053 | Line->TotalSize += 8;\r | |
2054 | }\r | |
2055 | //\r | |
2056 | // move the later part of the string one character right\r | |
2057 | //\r | |
2058 | TempStringPtr = Str;\r | |
2059 | for (Index = StrSize; Index > Pos; Index--) {\r | |
2060 | TempStringPtr[Index] = TempStringPtr[Index - 1];\r | |
2061 | }\r | |
2062 | //\r | |
2063 | // insert char into it.\r | |
2064 | //\r | |
2065 | TempStringPtr[Index] = Char;\r | |
2066 | \r | |
2067 | Line->Buffer = Str;\r | |
2068 | Line->Size++;\r | |
2069 | \r | |
2070 | return StrSize + 1;\r | |
2071 | }\r | |
2072 | \r | |
2073 | /**\r | |
2074 | Add a character to the current line.\r | |
2075 | \r | |
2076 | @param[in] Char The Character to input.\r | |
2077 | \r | |
2078 | @retval EFI_SUCCESS The input was succesful.\r | |
2079 | **/\r | |
2080 | EFI_STATUS\r | |
632820d1 | 2081 | FileBufferAddChar (\r |
2082 | IN CHAR16 Char\r | |
2083 | )\r | |
2084 | {\r | |
2085 | EFI_EDITOR_LINE *Line;\r | |
2086 | UINTN FilePos;\r | |
2087 | \r | |
2088 | Line = FileBuffer.CurrentLine;\r | |
2089 | \r | |
2090 | //\r | |
2091 | // only needs to refresh current line\r | |
2092 | //\r | |
2093 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
2094 | \r | |
2095 | //\r | |
2096 | // when is insert mode, or cursor is at end of this line,\r | |
2097 | // so insert this character\r | |
2098 | // or replace the character.\r | |
2099 | //\r | |
2100 | FilePos = FileBuffer.FilePosition.Column - 1;\r | |
2101 | if (FileBuffer.ModeInsert || FilePos + 1 > Line->Size) {\r | |
2102 | LineStrInsert (Line, Char, FilePos, Line->Size + 1);\r | |
2103 | } else {\r | |
2104 | Line->Buffer[FilePos] = Char;\r | |
2105 | }\r | |
2106 | //\r | |
2107 | // move cursor to right\r | |
2108 | //\r | |
2109 | FileBufferScrollRight ();\r | |
2110 | \r | |
2111 | if (!FileBuffer.FileModified) {\r | |
2112 | FileBuffer.FileModified = TRUE;\r | |
2113 | }\r | |
2114 | \r | |
2115 | return EFI_SUCCESS;\r | |
2116 | }\r | |
2117 | \r | |
2118 | /**\r | |
2119 | Handles inputs from characters (ASCII key + Backspace + return)\r | |
2120 | \r | |
2121 | @param[in] Char The input character.\r | |
2122 | \r | |
2123 | @retval EFI_SUCCESS The operation was successful.\r | |
2124 | @retval EFI_LOAD_ERROR There was an error.\r | |
2125 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2126 | **/\r | |
2127 | EFI_STATUS\r | |
632820d1 | 2128 | FileBufferDoCharInput (\r |
2129 | IN CONST CHAR16 Char\r | |
2130 | )\r | |
2131 | {\r | |
2132 | EFI_STATUS Status;\r | |
2133 | \r | |
2134 | Status = EFI_SUCCESS;\r | |
2135 | \r | |
2136 | switch (Char) {\r | |
2137 | case CHAR_NULL:\r | |
2138 | break;\r | |
2139 | \r | |
2140 | case CHAR_BACKSPACE:\r | |
2141 | Status = FileBufferDoBackspace ();\r | |
2142 | break;\r | |
2143 | \r | |
2144 | case CHAR_TAB:\r | |
2145 | //\r | |
2146 | // Tabs are ignored\r | |
2147 | //\r | |
2148 | break;\r | |
2149 | \r | |
2150 | case CHAR_LINEFEED:\r | |
2151 | case CHAR_CARRIAGE_RETURN:\r | |
2152 | Status = FileBufferDoReturn ();\r | |
2153 | break;\r | |
2154 | \r | |
2155 | default:\r | |
2156 | //\r | |
2157 | // DEAL WITH ASCII CHAR, filter out thing like ctrl+f\r | |
2158 | //\r | |
2159 | if (Char > 127 || Char < 32) {\r | |
2160 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2161 | } else {\r | |
2162 | Status = FileBufferAddChar (Char);\r | |
2163 | }\r | |
2164 | \r | |
2165 | break;\r | |
2166 | \r | |
2167 | }\r | |
2168 | \r | |
2169 | return Status;\r | |
2170 | }\r | |
2171 | \r | |
2172 | /**\r | |
2173 | Scroll cursor to the next line.\r | |
2174 | \r | |
2175 | @retval EFI_SUCCESS The operation was successful.\r | |
2176 | **/\r | |
2177 | EFI_STATUS\r | |
632820d1 | 2178 | FileBufferScrollDown (\r |
2179 | VOID\r | |
2180 | )\r | |
2181 | {\r | |
2182 | EFI_EDITOR_LINE *Line;\r | |
2183 | UINTN FRow;\r | |
2184 | UINTN FCol;\r | |
2185 | \r | |
2186 | Line = FileBuffer.CurrentLine;\r | |
2187 | if (Line->Buffer == NULL) {\r | |
2188 | return EFI_SUCCESS;\r | |
2189 | }\r | |
2190 | \r | |
2191 | FRow = FileBuffer.FilePosition.Row;\r | |
2192 | FCol = FileBuffer.FilePosition.Column;\r | |
2193 | \r | |
2194 | //\r | |
2195 | // has next line\r | |
2196 | //\r | |
2197 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2198 | FRow++;\r | |
2199 | Line = CR (Line->Link.ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2200 | \r | |
2201 | //\r | |
2202 | // if the next line is not that long, so move to end of next line\r | |
2203 | //\r | |
2204 | if (FCol > Line->Size) {\r | |
2205 | FCol = Line->Size + 1;\r | |
2206 | }\r | |
2207 | \r | |
2208 | } else {\r | |
2209 | return EFI_SUCCESS;\r | |
2210 | }\r | |
2211 | \r | |
2212 | FileBufferMovePosition (FRow, FCol);\r | |
2213 | \r | |
2214 | return EFI_SUCCESS;\r | |
2215 | }\r | |
2216 | \r | |
2217 | /**\r | |
2218 | Scroll the cursor to previous line.\r | |
2219 | \r | |
2220 | @retval EFI_SUCCESS The operation was successful.\r | |
2221 | **/\r | |
2222 | EFI_STATUS\r | |
632820d1 | 2223 | FileBufferScrollUp (\r |
2224 | VOID\r | |
2225 | )\r | |
2226 | {\r | |
2227 | EFI_EDITOR_LINE *Line;\r | |
2228 | UINTN FRow;\r | |
2229 | UINTN FCol;\r | |
2230 | \r | |
2231 | Line = FileBuffer.CurrentLine;\r | |
2232 | \r | |
2233 | FRow = FileBuffer.FilePosition.Row;\r | |
2234 | FCol = FileBuffer.FilePosition.Column;\r | |
2235 | \r | |
2236 | //\r | |
2237 | // has previous line\r | |
2238 | //\r | |
2239 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
2240 | FRow--;\r | |
2241 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2242 | \r | |
2243 | //\r | |
2244 | // if previous line is not that long, so move to the end of previous line\r | |
2245 | //\r | |
2246 | if (FCol > Line->Size) {\r | |
2247 | FCol = Line->Size + 1;\r | |
2248 | }\r | |
2249 | \r | |
2250 | } else {\r | |
2251 | return EFI_SUCCESS;\r | |
2252 | }\r | |
2253 | \r | |
2254 | FileBufferMovePosition (FRow, FCol);\r | |
2255 | \r | |
2256 | return EFI_SUCCESS;\r | |
2257 | }\r | |
2258 | \r | |
2259 | /**\r | |
2260 | Scroll cursor to next page.\r | |
2261 | \r | |
2262 | @retval EFI_SUCCESS The operation wa successful.\r | |
2263 | **/\r | |
2264 | EFI_STATUS\r | |
632820d1 | 2265 | FileBufferPageDown (\r |
2266 | VOID\r | |
2267 | )\r | |
2268 | {\r | |
2269 | EFI_EDITOR_LINE *Line;\r | |
2270 | UINTN FRow;\r | |
2271 | UINTN FCol;\r | |
2272 | UINTN Gap;\r | |
2273 | \r | |
2274 | Line = FileBuffer.CurrentLine;\r | |
2275 | \r | |
2276 | FRow = FileBuffer.FilePosition.Row;\r | |
2277 | FCol = FileBuffer.FilePosition.Column;\r | |
2278 | \r | |
2279 | //\r | |
2280 | // has next page\r | |
2281 | //\r | |
5a2beb74 | 2282 | if (FileBuffer.NumLines >= FRow + (MainEditor.ScreenSize.Row - 2)) {\r |
2283 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2284 | } else {\r |
2285 | //\r | |
2286 | // MOVE CURSOR TO LAST LINE\r | |
2287 | //\r | |
2288 | Gap = FileBuffer.NumLines - FRow;\r | |
2289 | }\r | |
2290 | //\r | |
2291 | // get correct line\r | |
2292 | //\r | |
2293 | Line = MoveLine (Gap);\r | |
2294 | \r | |
2295 | //\r | |
2296 | // if that line, is not that long, so move to the end of that line\r | |
2297 | //\r | |
33c031ee | 2298 | if (Line != NULL && FCol > Line->Size) {\r |
632820d1 | 2299 | FCol = Line->Size + 1;\r |
2300 | }\r | |
2301 | \r | |
2302 | FRow += Gap;\r | |
2303 | \r | |
2304 | FileBufferMovePosition (FRow, FCol);\r | |
2305 | \r | |
2306 | return EFI_SUCCESS;\r | |
2307 | }\r | |
2308 | \r | |
2309 | /**\r | |
2310 | Scroll cursor to previous screen.\r | |
2311 | \r | |
2312 | @retval EFI_SUCCESS The operation was successful.\r | |
2313 | **/\r | |
2314 | EFI_STATUS\r | |
632820d1 | 2315 | FileBufferPageUp (\r |
2316 | VOID\r | |
2317 | )\r | |
2318 | {\r | |
2319 | EFI_EDITOR_LINE *Line;\r | |
2320 | UINTN FRow;\r | |
2321 | UINTN FCol;\r | |
2322 | UINTN Gap;\r | |
2323 | INTN Retreat;\r | |
2324 | \r | |
2325 | Line = FileBuffer.CurrentLine;\r | |
2326 | \r | |
2327 | FRow = FileBuffer.FilePosition.Row;\r | |
2328 | FCol = FileBuffer.FilePosition.Column;\r | |
2329 | \r | |
2330 | //\r | |
2331 | // has previous page\r | |
2332 | //\r | |
5a2beb74 | 2333 | if (FRow > (MainEditor.ScreenSize.Row - 2)) {\r |
2334 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2335 | } else {\r |
2336 | //\r | |
2337 | // the first line of file will displayed on the first line of screen\r | |
2338 | //\r | |
2339 | Gap = FRow - 1;\r | |
2340 | }\r | |
2341 | \r | |
2342 | Retreat = Gap;\r | |
2343 | Retreat = -Retreat;\r | |
2344 | \r | |
2345 | //\r | |
2346 | // get correct line\r | |
2347 | //\r | |
2348 | Line = MoveLine (Retreat);\r | |
2349 | \r | |
2350 | //\r | |
2351 | // if that line is not that long, so move to the end of that line\r | |
2352 | //\r | |
33c031ee | 2353 | if (Line != NULL && FCol > Line->Size) {\r |
632820d1 | 2354 | FCol = Line->Size + 1;\r |
2355 | }\r | |
2356 | \r | |
2357 | FRow -= Gap;\r | |
2358 | \r | |
2359 | FileBufferMovePosition (FRow, FCol);\r | |
2360 | \r | |
2361 | return EFI_SUCCESS;\r | |
2362 | }\r | |
2363 | \r | |
2364 | /**\r | |
2365 | Scroll cursor to end of the current line.\r | |
2366 | \r | |
2367 | @retval EFI_SUCCESS The operation was successful.\r | |
2368 | **/\r | |
2369 | EFI_STATUS\r | |
632820d1 | 2370 | FileBufferEnd (\r |
2371 | VOID\r | |
2372 | )\r | |
2373 | {\r | |
2374 | EFI_EDITOR_LINE *Line;\r | |
2375 | UINTN FRow;\r | |
2376 | UINTN FCol;\r | |
2377 | \r | |
2378 | Line = FileBuffer.CurrentLine;\r | |
2379 | \r | |
2380 | FRow = FileBuffer.FilePosition.Row;\r | |
2381 | \r | |
2382 | //\r | |
2383 | // goto the last column of the line\r | |
2384 | //\r | |
2385 | FCol = Line->Size + 1;\r | |
2386 | \r | |
2387 | FileBufferMovePosition (FRow, FCol);\r | |
2388 | \r | |
2389 | return EFI_SUCCESS;\r | |
2390 | }\r | |
2391 | \r | |
ba0014b9 | 2392 | /**\r |
632820d1 | 2393 | Dispatch input to different handler\r |
2394 | @param[in] Key The input key. One of:\r | |
2395 | ASCII KEY\r | |
2396 | Backspace/Delete\r | |
2397 | Return\r | |
2398 | Direction key: up/down/left/right/pgup/pgdn\r | |
2399 | Home/End\r | |
2400 | INS\r | |
2401 | \r | |
2402 | @retval EFI_SUCCESS The dispatch was done successfully.\r | |
2403 | @retval EFI_LOAD_ERROR The dispatch was not successful.\r | |
2404 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2405 | **/\r | |
2406 | EFI_STATUS\r | |
632820d1 | 2407 | FileBufferHandleInput (\r |
2408 | IN CONST EFI_INPUT_KEY *Key\r | |
2409 | )\r | |
2410 | {\r | |
2411 | EFI_STATUS Status;\r | |
2412 | \r | |
2413 | Status = EFI_SUCCESS;\r | |
2414 | \r | |
2415 | switch (Key->ScanCode) {\r | |
2416 | //\r | |
2417 | // ordinary key input\r | |
2418 | //\r | |
2419 | case SCAN_NULL:\r | |
2420 | if (!FileBuffer.ReadOnly) {\r | |
2421 | Status = FileBufferDoCharInput (Key->UnicodeChar);\r | |
2422 | } else {\r | |
2423 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2424 | }\r | |
2425 | \r | |
2426 | break;\r | |
2427 | \r | |
2428 | //\r | |
2429 | // up arrow\r | |
2430 | //\r | |
2431 | case SCAN_UP:\r | |
2432 | Status = FileBufferScrollUp ();\r | |
2433 | break;\r | |
2434 | \r | |
2435 | //\r | |
2436 | // down arrow\r | |
2437 | //\r | |
2438 | case SCAN_DOWN:\r | |
2439 | Status = FileBufferScrollDown ();\r | |
2440 | break;\r | |
2441 | \r | |
2442 | //\r | |
2443 | // right arrow\r | |
2444 | //\r | |
2445 | case SCAN_RIGHT:\r | |
2446 | Status = FileBufferScrollRight ();\r | |
2447 | break;\r | |
2448 | \r | |
2449 | //\r | |
2450 | // left arrow\r | |
2451 | //\r | |
2452 | case SCAN_LEFT:\r | |
2453 | Status = FileBufferScrollLeft ();\r | |
2454 | break;\r | |
2455 | \r | |
2456 | //\r | |
2457 | // page up\r | |
2458 | //\r | |
2459 | case SCAN_PAGE_UP:\r | |
2460 | Status = FileBufferPageUp ();\r | |
2461 | break;\r | |
2462 | \r | |
2463 | //\r | |
2464 | // page down\r | |
2465 | //\r | |
2466 | case SCAN_PAGE_DOWN:\r | |
2467 | Status = FileBufferPageDown ();\r | |
2468 | break;\r | |
2469 | \r | |
2470 | //\r | |
2471 | // delete\r | |
2472 | //\r | |
2473 | case SCAN_DELETE:\r | |
2474 | if (!FileBuffer.ReadOnly) {\r | |
2475 | Status = FileBufferDoDelete ();\r | |
2476 | } else {\r | |
2477 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2478 | }\r | |
2479 | \r | |
2480 | break;\r | |
2481 | \r | |
2482 | //\r | |
2483 | // home\r | |
2484 | //\r | |
2485 | case SCAN_HOME:\r | |
2486 | FileBufferMovePosition (FileBuffer.FilePosition.Row, 1);\r | |
2487 | Status = EFI_SUCCESS;\r | |
2488 | break;\r | |
2489 | \r | |
2490 | //\r | |
2491 | // end\r | |
2492 | //\r | |
2493 | case SCAN_END:\r | |
2494 | Status = FileBufferEnd ();\r | |
2495 | break;\r | |
2496 | \r | |
2497 | //\r | |
2498 | // insert\r | |
2499 | //\r | |
2500 | case SCAN_INSERT:\r | |
2501 | FileBuffer.ModeInsert = (BOOLEAN)!FileBuffer.ModeInsert;\r | |
2502 | Status = EFI_SUCCESS;\r | |
2503 | break;\r | |
2504 | \r | |
2505 | default:\r | |
2506 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2507 | break;\r | |
2508 | }\r | |
2509 | \r | |
2510 | return Status;\r | |
2511 | }\r | |
2512 | \r | |
2513 | /**\r | |
2514 | Check user specified FileRow is above current screen.\r | |
2515 | \r | |
2516 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2517 | \r | |
2518 | @retval TRUE It is above the current screen.\r | |
2519 | @retval FALSE It is not above the current screen.\r | |
2520 | **/\r | |
2521 | BOOLEAN\r | |
632820d1 | 2522 | AboveCurrentScreen (\r |
2523 | IN UINTN FileRow\r | |
2524 | )\r | |
2525 | {\r | |
2526 | //\r | |
2527 | // if is to the above of the screen\r | |
2528 | //\r | |
2529 | if (FileRow < FileBuffer.LowVisibleRange.Row) {\r | |
2530 | return TRUE;\r | |
2531 | }\r | |
2532 | \r | |
2533 | return FALSE;\r | |
2534 | }\r | |
2535 | \r | |
2536 | /**\r | |
2537 | Check user specified FileRow is under current screen.\r | |
2538 | \r | |
2539 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2540 | \r | |
2541 | @retval TRUE It is under the current screen.\r | |
2542 | @retval FALSE It is not under the current screen.\r | |
2543 | **/\r | |
2544 | BOOLEAN\r | |
632820d1 | 2545 | UnderCurrentScreen (\r |
2546 | IN UINTN FileRow\r | |
2547 | )\r | |
2548 | {\r | |
2549 | //\r | |
2550 | // if is to the under of the screen\r | |
2551 | //\r | |
5a2beb74 | 2552 | if (FileRow > FileBuffer.LowVisibleRange.Row + (MainEditor.ScreenSize.Row - 2) - 1) {\r |
632820d1 | 2553 | return TRUE;\r |
2554 | }\r | |
2555 | \r | |
2556 | return FALSE;\r | |
2557 | }\r | |
2558 | \r | |
2559 | /**\r | |
2560 | Check user specified FileCol is left to current screen.\r | |
2561 | \r | |
2562 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2563 | \r | |
2564 | @retval TRUE It is to the left.\r | |
2565 | @retval FALSE It is not to the left.\r | |
2566 | **/\r | |
2567 | BOOLEAN\r | |
632820d1 | 2568 | LeftCurrentScreen (\r |
2569 | IN UINTN FileCol\r | |
2570 | )\r | |
2571 | {\r | |
2572 | //\r | |
2573 | // if is to the left of the screen\r | |
2574 | //\r | |
2575 | if (FileCol < FileBuffer.LowVisibleRange.Column) {\r | |
2576 | return TRUE;\r | |
2577 | }\r | |
2578 | \r | |
2579 | return FALSE;\r | |
2580 | }\r | |
2581 | \r | |
2582 | /**\r | |
2583 | Check user specified FileCol is right to current screen.\r | |
2584 | \r | |
2585 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2586 | \r | |
2587 | @retval TRUE It is to the right.\r | |
2588 | @retval FALSE It is not to the right.\r | |
2589 | **/\r | |
2590 | BOOLEAN\r | |
632820d1 | 2591 | RightCurrentScreen (\r |
2592 | IN UINTN FileCol\r | |
2593 | )\r | |
2594 | {\r | |
2595 | //\r | |
2596 | // if is to the right of the screen\r | |
2597 | //\r | |
2598 | if (FileCol > FileBuffer.LowVisibleRange.Column + MainEditor.ScreenSize.Column - 1) {\r | |
2599 | return TRUE;\r | |
2600 | }\r | |
2601 | \r | |
2602 | return FALSE;\r | |
2603 | }\r | |
2604 | \r | |
2605 | /**\r | |
2606 | Advance/Retreat lines and set CurrentLine in FileBuffer to it\r | |
ba0014b9 | 2607 | \r |
632820d1 | 2608 | @param[in] Count The line number to advance/retreat\r |
2609 | >0 : advance\r | |
2610 | <0: retreat\r | |
2611 | \r | |
a048af3c | 2612 | @retval NULL An error occurred.\r |
632820d1 | 2613 | @return The line after advance/retreat.\r |
2614 | **/\r | |
2615 | EFI_EDITOR_LINE *\r | |
632820d1 | 2616 | MoveCurrentLine (\r |
2617 | IN INTN Count\r | |
2618 | )\r | |
2619 | {\r | |
2620 | EFI_EDITOR_LINE *Line;\r | |
2621 | UINTN AbsCount;\r | |
2622 | \r | |
2623 | if (Count <= 0) {\r | |
33c031ee | 2624 | AbsCount = (UINTN)ABS(Count);\r |
632820d1 | 2625 | Line = InternalEditorMiscLineRetreat (AbsCount,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
2626 | } else {\r | |
33c031ee | 2627 | Line = InternalEditorMiscLineAdvance ((UINTN)Count,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
632820d1 | 2628 | }\r |
2629 | \r | |
2630 | if (Line == NULL) {\r | |
2631 | return NULL;\r | |
2632 | }\r | |
2633 | \r | |
2634 | MainEditor.FileBuffer->CurrentLine = Line;\r | |
2635 | \r | |
2636 | return Line;\r | |
2637 | }\r | |
2638 | \r | |
2639 | /**\r | |
2640 | According to cursor's file position, adjust screen display\r | |
2641 | \r | |
2642 | @param[in] NewFilePosRow The row of file position ( start from 1 ).\r | |
2643 | @param[in] NewFilePosCol The column of file position ( start from 1 ).\r | |
2644 | **/\r | |
2645 | VOID\r | |
632820d1 | 2646 | FileBufferMovePosition (\r |
2647 | IN CONST UINTN NewFilePosRow,\r | |
2648 | IN CONST UINTN NewFilePosCol\r | |
2649 | )\r | |
2650 | {\r | |
2651 | INTN RowGap;\r | |
2652 | INTN ColGap;\r | |
2653 | UINTN Abs;\r | |
2654 | BOOLEAN Above;\r | |
2655 | BOOLEAN Under;\r | |
2656 | BOOLEAN Right;\r | |
2657 | BOOLEAN Left;\r | |
2658 | \r | |
2659 | //\r | |
2660 | // CALCULATE gap between current file position and new file position\r | |
2661 | //\r | |
2662 | RowGap = NewFilePosRow - FileBuffer.FilePosition.Row;\r | |
2663 | ColGap = NewFilePosCol - FileBuffer.FilePosition.Column;\r | |
2664 | \r | |
2665 | Under = UnderCurrentScreen (NewFilePosRow);\r | |
2666 | Above = AboveCurrentScreen (NewFilePosRow);\r | |
2667 | //\r | |
2668 | // if is below current screen\r | |
2669 | //\r | |
2670 | if (Under) {\r | |
2671 | //\r | |
2672 | // display row will be unchanged\r | |
2673 | //\r | |
2674 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2675 | } else {\r | |
2676 | if (Above) {\r | |
2677 | //\r | |
2678 | // has enough above line, so display row unchanged\r | |
2679 | // not has enough above lines, so the first line is at the\r | |
2680 | // first display line\r | |
2681 | //\r | |
2682 | if (NewFilePosRow < (FileBuffer.DisplayPosition.Row - 1)) {\r | |
2683 | FileBuffer.DisplayPosition.Row = NewFilePosRow + 1;\r | |
2684 | }\r | |
2685 | \r | |
2686 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2687 | } else {\r | |
2688 | //\r | |
2689 | // in current screen\r | |
2690 | //\r | |
2691 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2692 | if (RowGap < 0) {\r | |
33c031ee | 2693 | Abs = (UINTN)ABS(RowGap);\r |
632820d1 | 2694 | FileBuffer.DisplayPosition.Row -= Abs;\r |
2695 | } else {\r | |
2696 | FileBuffer.DisplayPosition.Row += RowGap;\r | |
2697 | }\r | |
2698 | }\r | |
2699 | }\r | |
2700 | \r | |
2701 | FileBuffer.LowVisibleRange.Row = FileBuffer.FilePosition.Row - (FileBuffer.DisplayPosition.Row - 2);\r | |
2702 | \r | |
2703 | Right = RightCurrentScreen (NewFilePosCol);\r | |
2704 | Left = LeftCurrentScreen (NewFilePosCol);\r | |
2705 | \r | |
2706 | //\r | |
2707 | // if right to current screen\r | |
2708 | //\r | |
2709 | if (Right) {\r | |
2710 | //\r | |
2711 | // display column will be changed to end\r | |
2712 | //\r | |
2713 | FileBuffer.DisplayPosition.Column = MainEditor.ScreenSize.Column;\r | |
2714 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2715 | } else {\r | |
2716 | if (Left) {\r | |
2717 | //\r | |
2718 | // has enough left characters , so display row unchanged\r | |
2719 | // not has enough left characters,\r | |
2720 | // so the first character is at the first display column\r | |
2721 | //\r | |
2722 | if (NewFilePosCol < (FileBuffer.DisplayPosition.Column)) {\r | |
2723 | FileBuffer.DisplayPosition.Column = NewFilePosCol;\r | |
2724 | }\r | |
2725 | \r | |
2726 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2727 | } else {\r | |
2728 | //\r | |
2729 | // in current screen\r | |
2730 | //\r | |
2731 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2732 | if (ColGap < 0) {\r | |
cbdd109b | 2733 | Abs = (UINTN)(-ColGap);\r |
632820d1 | 2734 | FileBuffer.DisplayPosition.Column -= Abs;\r |
2735 | } else {\r | |
2736 | FileBuffer.DisplayPosition.Column += ColGap;\r | |
2737 | }\r | |
2738 | }\r | |
2739 | }\r | |
2740 | \r | |
2741 | FileBuffer.LowVisibleRange.Column = FileBuffer.FilePosition.Column - (FileBuffer.DisplayPosition.Column - 1);\r | |
2742 | \r | |
2743 | //\r | |
2744 | // let CurrentLine point to correct line;\r | |
2745 | //\r | |
2746 | FileBuffer.CurrentLine = MoveCurrentLine (RowGap);\r | |
2747 | \r | |
2748 | }\r | |
2749 | \r | |
2750 | /**\r | |
2751 | Cut current line out and return a pointer to it.\r | |
2752 | \r | |
ba0014b9 | 2753 | @param[out] CutLine Upon a successful return pointer to the pointer to\r |
632820d1 | 2754 | the allocated cut line.\r |
2755 | \r | |
2756 | @retval EFI_SUCCESS The cut was successful.\r | |
2757 | @retval EFI_NOT_FOUND There was no selection to cut.\r | |
2758 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2759 | **/\r | |
2760 | EFI_STATUS\r | |
632820d1 | 2761 | FileBufferCutLine (\r |
2762 | OUT EFI_EDITOR_LINE **CutLine\r | |
2763 | )\r | |
2764 | {\r | |
2765 | EFI_EDITOR_LINE *Line;\r | |
2766 | EFI_EDITOR_LINE *NewLine;\r | |
2767 | UINTN Row;\r | |
2768 | UINTN Col;\r | |
2769 | \r | |
2770 | if (FileBuffer.ReadOnly) {\r | |
2771 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2772 | return EFI_SUCCESS;\r | |
2773 | }\r | |
2774 | \r | |
2775 | Line = FileBuffer.CurrentLine;\r | |
2776 | \r | |
2777 | //\r | |
2778 | // if is the last dummy line, SO CAN not cut\r | |
2779 | //\r | |
2780 | if (StrCmp (Line->Buffer, L"\0") == 0 && Line->Link.ForwardLink == FileBuffer.ListHead\r | |
2781 | //\r | |
2782 | // last line\r | |
2783 | //\r | |
2784 | ) {\r | |
2785 | //\r | |
2786 | // LAST LINE AND NOTHING ON THIS LINE, SO CUT NOTHING\r | |
2787 | //\r | |
2788 | StatusBarSetStatusString (L"Nothing to Cut");\r | |
2789 | return EFI_NOT_FOUND;\r | |
2790 | }\r | |
2791 | //\r | |
2792 | // if is the last line, so create a dummy line\r | |
2793 | //\r | |
2794 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
2795 | //\r | |
2796 | // last line\r | |
2797 | // create a new line\r | |
2798 | //\r | |
2799 | NewLine = FileBufferCreateLine ();\r | |
2800 | if (NewLine == NULL) {\r | |
2801 | return EFI_OUT_OF_RESOURCES;\r | |
2802 | }\r | |
2803 | }\r | |
2804 | \r | |
2805 | FileBuffer.NumLines--;\r | |
2806 | Row = FileBuffer.FilePosition.Row;\r | |
2807 | Col = 1;\r | |
2808 | //\r | |
2809 | // move home\r | |
2810 | //\r | |
2811 | FileBuffer.CurrentLine = CR (\r | |
2812 | FileBuffer.CurrentLine->Link.ForwardLink,\r | |
2813 | EFI_EDITOR_LINE,\r | |
2814 | Link,\r | |
2815 | LINE_LIST_SIGNATURE\r | |
2816 | );\r | |
2817 | \r | |
2818 | RemoveEntryList (&Line->Link);\r | |
2819 | \r | |
2820 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2821 | \r | |
2822 | FileBufferMovePosition (Row, Col);\r | |
2823 | \r | |
2824 | FileBuffer.FileModified = TRUE;\r | |
2825 | FileBufferNeedRefresh = TRUE;\r | |
2826 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2827 | \r | |
2828 | *CutLine = Line;\r | |
2829 | \r | |
2830 | return EFI_SUCCESS;\r | |
2831 | }\r | |
2832 | \r | |
2833 | /**\r | |
2834 | Paste a line into line list.\r | |
2835 | \r | |
2836 | @retval EFI_SUCCESS The paste was successful.\r | |
2837 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2838 | **/\r | |
2839 | EFI_STATUS\r | |
632820d1 | 2840 | FileBufferPasteLine (\r |
2841 | VOID\r | |
2842 | )\r | |
2843 | {\r | |
2844 | EFI_EDITOR_LINE *Line;\r | |
2845 | EFI_EDITOR_LINE *NewLine;\r | |
2846 | UINTN Row;\r | |
2847 | UINTN Col;\r | |
2848 | \r | |
2849 | //\r | |
2850 | // if nothing is on clip board\r | |
2851 | // then do nothing\r | |
2852 | //\r | |
2853 | if (MainEditor.CutLine == NULL) {\r | |
2854 | return EFI_SUCCESS;\r | |
2855 | }\r | |
2856 | //\r | |
2857 | // read only file can not be pasted on\r | |
2858 | //\r | |
2859 | if (FileBuffer.ReadOnly) {\r | |
2860 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2861 | return EFI_SUCCESS;\r | |
2862 | }\r | |
2863 | \r | |
2864 | NewLine = LineDup (MainEditor.CutLine);\r | |
2865 | if (NewLine == NULL) {\r | |
2866 | return EFI_OUT_OF_RESOURCES;\r | |
2867 | }\r | |
2868 | //\r | |
2869 | // insert it above current line\r | |
2870 | //\r | |
2871 | Line = FileBuffer.CurrentLine;\r | |
2872 | NewLine->Link.BackLink = Line->Link.BackLink;\r | |
2873 | NewLine->Link.ForwardLink = &Line->Link;\r | |
2874 | \r | |
2875 | Line->Link.BackLink->ForwardLink = &NewLine->Link;\r | |
2876 | Line->Link.BackLink = &NewLine->Link;\r | |
2877 | \r | |
2878 | FileBuffer.NumLines++;\r | |
2879 | FileBuffer.CurrentLine = NewLine;\r | |
2880 | \r | |
2881 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2882 | \r | |
2883 | Col = 1;\r | |
2884 | //\r | |
2885 | // move home\r | |
2886 | //\r | |
2887 | Row = FileBuffer.FilePosition.Row;\r | |
2888 | \r | |
2889 | FileBufferMovePosition (Row, Col);\r | |
2890 | \r | |
2891 | //\r | |
2892 | // after paste, set some value so that refresh knows to do something\r | |
2893 | //\r | |
2894 | FileBuffer.FileModified = TRUE;\r | |
2895 | FileBufferNeedRefresh = TRUE;\r | |
2896 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2897 | \r | |
2898 | return EFI_SUCCESS;\r | |
2899 | }\r | |
2900 | \r | |
2901 | /**\r | |
2902 | Search string from current position on in file\r | |
2903 | \r | |
2904 | @param[in] Str The search string.\r | |
2905 | @param[in] Offset The offset from current position.\r | |
2906 | \r | |
2907 | @retval EFI_SUCCESS The operation was successful.\r | |
2908 | @retval EFI_NOT_FOUND The string Str was not found.\r | |
2909 | **/\r | |
2910 | EFI_STATUS\r | |
632820d1 | 2911 | FileBufferSearch (\r |
2912 | IN CONST CHAR16 *Str,\r | |
2913 | IN CONST UINTN Offset\r | |
2914 | )\r | |
2915 | {\r | |
2916 | CHAR16 *Current;\r | |
2917 | UINTN Position;\r | |
2918 | UINTN Row;\r | |
2919 | UINTN Column;\r | |
2920 | EFI_EDITOR_LINE *Line;\r | |
2921 | CHAR16 *CharPos;\r | |
2922 | LIST_ENTRY *Link;\r | |
2923 | BOOLEAN Found;\r | |
2924 | \r | |
2925 | Column = 0;\r | |
382e78c0 | 2926 | Position = 0;\r |
ba0014b9 | 2927 | \r |
632820d1 | 2928 | //\r |
2929 | // search if in current line\r | |
2930 | //\r | |
2931 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1 + Offset;\r | |
2932 | \r | |
2933 | if (Current >= (FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size)) {\r | |
2934 | //\r | |
2935 | // the end\r | |
2936 | //\r | |
2937 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size;\r | |
2938 | }\r | |
2939 | \r | |
382e78c0 | 2940 | Found = FALSE;\r |
2941 | \r | |
632820d1 | 2942 | CharPos = StrStr (Current, Str);\r |
2943 | if (CharPos != NULL) {\r | |
382e78c0 | 2944 | Position = CharPos - Current + 1;\r |
2945 | Found = TRUE;\r | |
ba0014b9 | 2946 | }\r |
632820d1 | 2947 | \r |
2948 | //\r | |
2949 | // found\r | |
2950 | //\r | |
4ff7e37b | 2951 | if (Found) {\r |
632820d1 | 2952 | Column = (Position - 1) + FileBuffer.FilePosition.Column + Offset;\r |
2953 | Row = FileBuffer.FilePosition.Row;\r | |
632820d1 | 2954 | } else {\r |
2955 | //\r | |
2956 | // not found so find through next lines\r | |
2957 | //\r | |
2958 | Link = FileBuffer.CurrentLine->Link.ForwardLink;\r | |
2959 | \r | |
2960 | Row = FileBuffer.FilePosition.Row + 1;\r | |
2961 | while (Link != FileBuffer.ListHead) {\r | |
2962 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2963 | // Position = StrStr (Line->Buffer, Str);\r | |
2964 | CharPos = StrStr (Line->Buffer, Str);\r | |
2965 | if (CharPos != NULL) {\r | |
382e78c0 | 2966 | Position = CharPos - Line->Buffer + 1;\r |
2967 | Found = TRUE;\r | |
ba0014b9 LG |
2968 | }\r |
2969 | \r | |
4ff7e37b | 2970 | if (Found) {\r |
632820d1 | 2971 | //\r |
2972 | // found\r | |
2973 | //\r | |
2974 | Column = Position;\r | |
2975 | break;\r | |
2976 | }\r | |
2977 | \r | |
2978 | Row++;\r | |
2979 | Link = Link->ForwardLink;\r | |
2980 | }\r | |
2981 | \r | |
2982 | if (Link == FileBuffer.ListHead) {\r | |
2983 | Found = FALSE;\r | |
2984 | } else {\r | |
2985 | Found = TRUE;\r | |
2986 | }\r | |
2987 | }\r | |
2988 | \r | |
2989 | if (!Found) {\r | |
2990 | return EFI_NOT_FOUND;\r | |
2991 | }\r | |
2992 | \r | |
2993 | FileBufferMovePosition (Row, Column);\r | |
2994 | \r | |
2995 | //\r | |
2996 | // call refresh to fresh edit area,\r | |
2997 | // because the outer may loop to find multiply occurrence of this string\r | |
2998 | //\r | |
2999 | FileBufferRefresh ();\r | |
3000 | \r | |
3001 | return EFI_SUCCESS;\r | |
3002 | }\r | |
3003 | \r | |
3004 | /**\r | |
3005 | Replace SearchLen characters from current position on with Replace.\r | |
3006 | \r | |
3007 | This will modify the current buffer at the current position.\r | |
3008 | \r | |
3009 | @param[in] Replace The string to replace.\r | |
3010 | @param[in] SearchLen Search string's length.\r | |
3011 | \r | |
3012 | @retval EFI_SUCCESS The operation was successful.\r | |
3013 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3014 | **/\r | |
3015 | EFI_STATUS\r | |
632820d1 | 3016 | FileBufferReplace (\r |
3017 | IN CONST CHAR16 *Replace,\r | |
3018 | IN CONST UINTN SearchLen\r | |
3019 | )\r | |
3020 | {\r | |
3021 | UINTN ReplaceLen;\r | |
3022 | UINTN Index;\r | |
3023 | CHAR16 *Buffer;\r | |
3024 | UINTN NewSize;\r | |
3025 | UINTN OldSize;\r | |
3026 | UINTN Gap;\r | |
3027 | \r | |
3028 | ReplaceLen = StrLen (Replace);\r | |
3029 | \r | |
3030 | OldSize = FileBuffer.CurrentLine->Size + 1;\r | |
3031 | //\r | |
3032 | // include CHAR_NULL\r | |
3033 | //\r | |
3034 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3035 | \r | |
3036 | if (ReplaceLen > SearchLen) {\r | |
3037 | //\r | |
3038 | // do not have the enough space\r | |
3039 | //\r | |
3040 | if (FileBuffer.CurrentLine->TotalSize + 1 <= NewSize) {\r | |
3041 | FileBuffer.CurrentLine->Buffer = ReallocatePool (\r | |
3042 | 2 * OldSize,\r | |
3043 | 2 * NewSize,\r | |
3044 | FileBuffer.CurrentLine->Buffer\r | |
3045 | );\r | |
3046 | FileBuffer.CurrentLine->TotalSize = NewSize - 1;\r | |
3047 | }\r | |
3048 | \r | |
3049 | if (FileBuffer.CurrentLine->Buffer == NULL) {\r | |
3050 | return EFI_OUT_OF_RESOURCES;\r | |
3051 | }\r | |
3052 | //\r | |
3053 | // the end CHAR_NULL character;\r | |
3054 | //\r | |
3055 | Buffer = FileBuffer.CurrentLine->Buffer + (NewSize - 1);\r | |
3056 | Gap = ReplaceLen - SearchLen;\r | |
3057 | \r | |
3058 | //\r | |
3059 | // keep the latter part\r | |
3060 | //\r | |
3061 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - SearchLen + 2); Index++) {\r | |
3062 | *Buffer = *(Buffer - Gap);\r | |
3063 | Buffer--;\r | |
3064 | }\r | |
3065 | //\r | |
3066 | // set replace into it\r | |
3067 | //\r | |
382e78c0 | 3068 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3069 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3070 | Buffer[Index] = Replace[Index];\r | |
3071 | }\r | |
3072 | }\r | |
3073 | \r | |
3074 | if (ReplaceLen < SearchLen) {\r | |
382e78c0 | 3075 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3076 | \r |
3077 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3078 | Buffer[Index] = Replace[Index];\r | |
3079 | }\r | |
3080 | \r | |
3081 | Buffer += ReplaceLen;\r | |
3082 | Gap = SearchLen - ReplaceLen;\r | |
3083 | \r | |
3084 | //\r | |
3085 | // set replace into it\r | |
3086 | //\r | |
3087 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - ReplaceLen + 2); Index++) {\r | |
3088 | *Buffer = *(Buffer + Gap);\r | |
3089 | Buffer++;\r | |
3090 | }\r | |
3091 | }\r | |
3092 | \r | |
3093 | if (ReplaceLen == SearchLen) {\r | |
382e78c0 | 3094 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3095 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3096 | Buffer[Index] = Replace[Index];\r | |
3097 | }\r | |
3098 | }\r | |
3099 | \r | |
3100 | FileBuffer.CurrentLine->Size += (ReplaceLen - SearchLen);\r | |
3101 | \r | |
3102 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
3103 | \r | |
3104 | FileBuffer.FileModified = TRUE;\r | |
3105 | \r | |
980d554e | 3106 | MainTitleBarRefresh (MainEditor.FileBuffer->FileName, MainEditor.FileBuffer->FileType, MainEditor.FileBuffer->ReadOnly, MainEditor.FileBuffer->FileModified, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row, 0, 0);\r |
632820d1 | 3107 | FileBufferRestorePosition ();\r |
3108 | FileBufferRefresh ();\r | |
3109 | \r | |
3110 | return EFI_SUCCESS;\r | |
3111 | }\r | |
3112 | \r | |
3113 | /**\r | |
3114 | Move the mouse cursor position.\r | |
3115 | \r | |
3116 | @param[in] TextX The new x-coordinate.\r | |
3117 | @param[in] TextY The new y-coordinate.\r | |
3118 | **/\r | |
3119 | VOID\r | |
632820d1 | 3120 | FileBufferAdjustMousePosition (\r |
3121 | IN CONST INT32 TextX,\r | |
3122 | IN CONST INT32 TextY\r | |
3123 | )\r | |
3124 | {\r | |
3125 | UINTN CoordinateX;\r | |
3126 | UINTN CoordinateY;\r | |
3127 | UINTN AbsX;\r | |
3128 | UINTN AbsY;\r | |
3129 | \r | |
3130 | //\r | |
3131 | // TextX and TextY is mouse movement data returned by mouse driver\r | |
3132 | // This function will change it to MousePosition\r | |
3133 | //\r | |
3134 | //\r | |
3135 | // get absolute value\r | |
3136 | //\r | |
3137 | \r | |
3138 | AbsX = ABS(TextX);\r | |
3139 | AbsY = ABS(TextY);\r | |
3140 | \r | |
3141 | CoordinateX = FileBuffer.MousePosition.Column;\r | |
3142 | CoordinateY = FileBuffer.MousePosition.Row;\r | |
3143 | \r | |
3144 | if (TextX >= 0) {\r | |
3145 | CoordinateX += TextX;\r | |
3146 | } else {\r | |
3147 | if (CoordinateX >= AbsX) {\r | |
3148 | CoordinateX -= AbsX;\r | |
3149 | } else {\r | |
3150 | CoordinateX = 0;\r | |
3151 | }\r | |
3152 | }\r | |
3153 | \r | |
3154 | if (TextY >= 0) {\r | |
3155 | CoordinateY += TextY;\r | |
3156 | } else {\r | |
3157 | if (CoordinateY >= AbsY) {\r | |
3158 | CoordinateY -= AbsY;\r | |
3159 | } else {\r | |
3160 | CoordinateY = 0;\r | |
3161 | }\r | |
3162 | }\r | |
3163 | //\r | |
3164 | // check whether new mouse column position is beyond screen\r | |
3165 | // if not, adjust it\r | |
3166 | //\r | |
3167 | if (CoordinateX >= 1 && CoordinateX <= MainEditor.ScreenSize.Column) {\r | |
3168 | FileBuffer.MousePosition.Column = CoordinateX;\r | |
3169 | } else if (CoordinateX < 1) {\r | |
3170 | FileBuffer.MousePosition.Column = 1;\r | |
3171 | } else if (CoordinateX > MainEditor.ScreenSize.Column) {\r | |
3172 | FileBuffer.MousePosition.Column = MainEditor.ScreenSize.Column;\r | |
3173 | }\r | |
3174 | //\r | |
3175 | // check whether new mouse row position is beyond screen\r | |
3176 | // if not, adjust it\r | |
3177 | //\r | |
5a2beb74 | 3178 | if (CoordinateY >= 2 && CoordinateY <= (MainEditor.ScreenSize.Row - 1)) {\r |
632820d1 | 3179 | FileBuffer.MousePosition.Row = CoordinateY;\r |
3180 | } else if (CoordinateY < 2) {\r | |
3181 | FileBuffer.MousePosition.Row = 2;\r | |
5a2beb74 | 3182 | } else if (CoordinateY > (MainEditor.ScreenSize.Row - 1)) {\r |
3183 | FileBuffer.MousePosition.Row = (MainEditor.ScreenSize.Row - 1);\r | |
632820d1 | 3184 | }\r |
3185 | \r | |
3186 | }\r | |
3187 | \r | |
3188 | /**\r | |
3189 | Search and replace operation.\r | |
3190 | \r | |
3191 | @param[in] SearchStr The string to search for.\r | |
3192 | @param[in] ReplaceStr The string to replace with.\r | |
3193 | @param[in] Offset The column to start at.\r | |
3194 | **/\r | |
3195 | EFI_STATUS\r | |
632820d1 | 3196 | FileBufferReplaceAll (\r |
3197 | IN CHAR16 *SearchStr,\r | |
3198 | IN CHAR16 *ReplaceStr,\r | |
3199 | IN UINTN Offset\r | |
3200 | )\r | |
3201 | {\r | |
3202 | CHAR16 *Buffer;\r | |
3203 | UINTN Position;\r | |
3204 | UINTN Column;\r | |
3205 | UINTN ReplaceLen;\r | |
3206 | UINTN SearchLen;\r | |
3207 | UINTN Index;\r | |
3208 | UINTN NewSize;\r | |
3209 | UINTN OldSize;\r | |
3210 | UINTN Gap;\r | |
3211 | EFI_EDITOR_LINE *Line;\r | |
3212 | LIST_ENTRY *Link;\r | |
3213 | CHAR16 *CharPos;\r | |
3214 | \r | |
3215 | SearchLen = StrLen (SearchStr);\r | |
3216 | ReplaceLen = StrLen (ReplaceStr);\r | |
3217 | \r | |
3218 | Column = FileBuffer.FilePosition.Column + Offset - 1;\r | |
3219 | \r | |
3220 | if (Column > FileBuffer.CurrentLine->Size) {\r | |
3221 | Column = FileBuffer.CurrentLine->Size;\r | |
3222 | }\r | |
3223 | \r | |
3224 | Link = &(FileBuffer.CurrentLine->Link);\r | |
3225 | \r | |
3226 | while (Link != FileBuffer.ListHead) {\r | |
3227 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
3228 | CharPos = StrStr (Line->Buffer + Column, SearchStr);\r | |
3229 | if (CharPos != NULL) {\r | |
3230 | Position = CharPos - Line->Buffer;// + Column;\r | |
3231 | //\r | |
3232 | // found\r | |
3233 | //\r | |
3234 | if (ReplaceLen > SearchLen) {\r | |
3235 | OldSize = Line->Size + 1;\r | |
3236 | //\r | |
3237 | // include CHAR_NULL\r | |
3238 | //\r | |
3239 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3240 | \r | |
3241 | //\r | |
3242 | // do not have the enough space\r | |
3243 | //\r | |
3244 | if (Line->TotalSize + 1 <= NewSize) {\r | |
3245 | Line->Buffer = ReallocatePool (\r | |
3246 | 2 * OldSize,\r | |
3247 | 2 * NewSize,\r | |
3248 | Line->Buffer\r | |
3249 | );\r | |
3250 | Line->TotalSize = NewSize - 1;\r | |
3251 | }\r | |
3252 | \r | |
3253 | if (Line->Buffer == NULL) {\r | |
3254 | return EFI_OUT_OF_RESOURCES;\r | |
3255 | }\r | |
3256 | //\r | |
3257 | // the end CHAR_NULL character;\r | |
3258 | //\r | |
3259 | Buffer = Line->Buffer + (NewSize - 1);\r | |
3260 | Gap = ReplaceLen - SearchLen;\r | |
3261 | \r | |
3262 | //\r | |
3263 | // keep the latter part\r | |
3264 | //\r | |
3265 | for (Index = 0; Index < (Line->Size - Position - SearchLen + 1); Index++) {\r | |
3266 | *Buffer = *(Buffer - Gap);\r | |
3267 | Buffer--;\r | |
3268 | }\r | |
3269 | \r | |
3270 | } else if (ReplaceLen < SearchLen){\r | |
3271 | Buffer = Line->Buffer + Position + ReplaceLen;\r | |
3272 | Gap = SearchLen - ReplaceLen;\r | |
3273 | \r | |
3274 | for (Index = 0; Index < (Line->Size - Position - ReplaceLen + 1); Index++) {\r | |
3275 | *Buffer = *(Buffer + Gap);\r | |
3276 | Buffer++;\r | |
3277 | }\r | |
3278 | } else {\r | |
3279 | ASSERT(ReplaceLen == SearchLen);\r | |
3280 | }\r | |
3281 | //\r | |
3282 | // set replace into it\r | |
3283 | //\r | |
3284 | Buffer = Line->Buffer + Position;\r | |
3285 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3286 | Buffer[Index] = ReplaceStr[Index];\r | |
3287 | }\r | |
3288 | \r | |
3289 | Line->Size += (ReplaceLen - SearchLen);\r | |
3290 | Column += ReplaceLen;\r | |
3291 | } else {\r | |
3292 | //\r | |
3293 | // not found\r | |
3294 | //\r | |
3295 | Column = 0;\r | |
3296 | Link = Link->ForwardLink;\r | |
3297 | }\r | |
3298 | }\r | |
3299 | //\r | |
3300 | // call refresh to fresh edit area\r | |
3301 | //\r | |
3302 | FileBuffer.FileModified = TRUE;\r | |
3303 | FileBufferNeedRefresh = TRUE;\r | |
3304 | FileBufferRefresh ();\r | |
3305 | \r | |
3306 | return EFI_SUCCESS;\r | |
3307 | }\r | |
3308 | \r | |
3309 | /**\r | |
3310 | Set the modified state to TRUE.\r | |
3311 | **/\r | |
3312 | VOID\r | |
632820d1 | 3313 | FileBufferSetModified (\r |
3314 | VOID\r | |
3315 | )\r | |
3316 | {\r | |
3317 | FileBuffer.FileModified = TRUE;\r | |
3318 | }\r | |
3319 | \r |