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632820d1 | 1 | /** @file\r |
2 | Implements filebuffer interface functions.\r | |
3 | \r | |
3e9442a5 | 4 | Copyright (c) 2005 - 2016, Intel Corporation. All rights reserved. <BR>\r |
632820d1 | 5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "TextEditor.h"\r | |
16 | #include <Guid/FileSystemInfo.h>\r | |
17 | #include <Library/FileHandleLib.h>\r | |
18 | \r | |
19 | EFI_EDITOR_FILE_BUFFER FileBuffer;\r | |
20 | EFI_EDITOR_FILE_BUFFER FileBufferBackupVar;\r | |
21 | \r | |
22 | //\r | |
23 | // for basic initialization of FileBuffer\r | |
24 | //\r | |
25 | EFI_EDITOR_FILE_BUFFER FileBufferConst = {\r | |
26 | NULL,\r | |
27 | FileTypeUnicode,\r | |
28 | NULL,\r | |
29 | NULL,\r | |
30 | 0,\r | |
31 | {\r | |
32 | 0,\r | |
33 | 0\r | |
34 | },\r | |
35 | {\r | |
36 | 0,\r | |
37 | 0\r | |
38 | },\r | |
39 | {\r | |
40 | 0,\r | |
41 | 0\r | |
42 | },\r | |
43 | {\r | |
44 | 0,\r | |
45 | 0\r | |
46 | },\r | |
47 | FALSE,\r | |
48 | TRUE,\r | |
49 | FALSE,\r | |
50 | NULL\r | |
51 | };\r | |
52 | \r | |
53 | //\r | |
54 | // the whole edit area needs to be refreshed\r | |
55 | //\r | |
5a2beb74 | 56 | BOOLEAN FileBufferNeedRefresh; \r |
632820d1 | 57 | \r |
58 | //\r | |
59 | // only the current line in edit area needs to be refresh\r | |
60 | //\r | |
61 | BOOLEAN FileBufferOnlyLineNeedRefresh;\r | |
62 | \r | |
63 | BOOLEAN FileBufferMouseNeedRefresh;\r | |
64 | \r | |
65 | extern BOOLEAN EditorMouseAction;\r | |
66 | \r | |
67 | /**\r | |
68 | Initialization function for FileBuffer.\r | |
69 | \r | |
70 | @param EFI_SUCCESS The initialization was successful.\r | |
71 | @param EFI_LOAD_ERROR A default name could not be created.\r | |
72 | @param EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
73 | **/\r | |
74 | EFI_STATUS\r | |
632820d1 | 75 | FileBufferInit (\r |
76 | VOID\r | |
77 | )\r | |
78 | {\r | |
79 | //\r | |
80 | // basically initialize the FileBuffer\r | |
81 | //\r | |
82 | CopyMem (&FileBuffer , &FileBufferConst, sizeof (EFI_EDITOR_FILE_BUFFER));\r | |
83 | CopyMem (&FileBufferBackupVar, &FileBufferConst, sizeof (EFI_EDITOR_FILE_BUFFER));\r | |
84 | \r | |
85 | //\r | |
86 | // set default FileName\r | |
87 | //\r | |
88 | FileBuffer.FileName = EditGetDefaultFileName (L"txt");\r | |
89 | if (FileBuffer.FileName == NULL) {\r | |
90 | return EFI_LOAD_ERROR;\r | |
91 | }\r | |
92 | \r | |
93 | FileBuffer.ListHead = AllocateZeroPool (sizeof (LIST_ENTRY));\r | |
94 | if (FileBuffer.ListHead == NULL) {\r | |
95 | return EFI_OUT_OF_RESOURCES;\r | |
96 | }\r | |
97 | \r | |
98 | InitializeListHead (FileBuffer.ListHead);\r | |
99 | \r | |
100 | FileBuffer.DisplayPosition.Row = 2;\r | |
101 | FileBuffer.DisplayPosition.Column = 1;\r | |
102 | FileBuffer.LowVisibleRange.Row = 2;\r | |
103 | FileBuffer.LowVisibleRange.Column = 1;\r | |
104 | \r | |
105 | FileBufferNeedRefresh = FALSE;\r | |
106 | FileBufferMouseNeedRefresh = FALSE;\r | |
107 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
108 | \r | |
109 | return EFI_SUCCESS;\r | |
110 | }\r | |
111 | \r | |
112 | /**\r | |
113 | Backup function for FileBuffer. Only backup the following items:\r | |
114 | Mouse/Cursor position\r | |
115 | File Name, Type, ReadOnly, Modified\r | |
116 | Insert Mode\r | |
117 | \r | |
118 | This is for making the file buffer refresh as few as possible.\r | |
119 | \r | |
120 | @retval EFI_SUCCESS The backup operation was successful.\r | |
121 | **/\r | |
122 | EFI_STATUS\r | |
632820d1 | 123 | FileBufferBackup (\r |
124 | VOID\r | |
125 | )\r | |
126 | {\r | |
127 | FileBufferBackupVar.MousePosition = FileBuffer.MousePosition;\r | |
128 | \r | |
129 | SHELL_FREE_NON_NULL (FileBufferBackupVar.FileName);\r | |
130 | FileBufferBackupVar.FileName = NULL;\r | |
131 | FileBufferBackupVar.FileName = StrnCatGrow (&FileBufferBackupVar.FileName, NULL, FileBuffer.FileName, 0);\r | |
132 | \r | |
133 | FileBufferBackupVar.ModeInsert = FileBuffer.ModeInsert;\r | |
134 | FileBufferBackupVar.FileType = FileBuffer.FileType;\r | |
135 | \r | |
136 | FileBufferBackupVar.FilePosition = FileBuffer.FilePosition;\r | |
137 | FileBufferBackupVar.LowVisibleRange = FileBuffer.LowVisibleRange;\r | |
138 | \r | |
139 | FileBufferBackupVar.FileModified = FileBuffer.FileModified;\r | |
140 | FileBufferBackupVar.ReadOnly = FileBuffer.ReadOnly;\r | |
141 | \r | |
142 | return EFI_SUCCESS;\r | |
143 | }\r | |
144 | \r | |
145 | /**\r | |
146 | Advance to the next Count lines\r | |
147 | \r | |
148 | @param[in] Count The line number to advance by.\r | |
149 | @param[in] CurrentLine The pointer to the current line structure.\r | |
150 | @param[in] LineList The pointer to the linked list of lines.\r | |
151 | \r | |
152 | @retval NULL There was an error.\r | |
153 | @return The line structure after the advance.\r | |
154 | **/\r | |
155 | EFI_EDITOR_LINE *\r | |
632820d1 | 156 | InternalEditorMiscLineAdvance (\r |
157 | IN CONST UINTN Count,\r | |
158 | IN CONST EFI_EDITOR_LINE *CurrentLine,\r | |
159 | IN CONST LIST_ENTRY *LineList\r | |
160 | )\r | |
161 | \r | |
162 | {\r | |
163 | UINTN Index;\r | |
164 | CONST EFI_EDITOR_LINE *Line;\r | |
165 | \r | |
166 | if (CurrentLine == NULL || LineList == NULL) {\r | |
167 | return NULL;\r | |
168 | }\r | |
169 | \r | |
170 | for (Line = CurrentLine, Index = 0; Index < Count; Index++) {\r | |
171 | //\r | |
172 | // if already last line\r | |
173 | //\r | |
174 | if (Line->Link.ForwardLink == LineList) {\r | |
175 | return NULL;\r | |
176 | }\r | |
177 | \r | |
178 | Line = CR (Line->Link.ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
179 | }\r | |
180 | \r | |
181 | return ((EFI_EDITOR_LINE *)Line);\r | |
182 | }\r | |
183 | \r | |
184 | /**\r | |
185 | Retreat to the previous Count lines.\r | |
186 | \r | |
187 | @param[in] Count The line number to retreat by.\r | |
188 | @param[in] CurrentLine The pointer to the current line structure.\r | |
189 | @param[in] LineList The pointer to the linked list of lines.\r | |
190 | \r | |
191 | @retval NULL There was an error.\r | |
192 | @return The line structure after the retreat.\r | |
193 | **/\r | |
194 | EFI_EDITOR_LINE *\r | |
632820d1 | 195 | InternalEditorMiscLineRetreat (\r |
196 | IN CONST UINTN Count,\r | |
197 | IN CONST EFI_EDITOR_LINE *CurrentLine,\r | |
198 | IN CONST LIST_ENTRY *LineList\r | |
199 | )\r | |
200 | \r | |
201 | {\r | |
202 | UINTN Index;\r | |
203 | CONST EFI_EDITOR_LINE *Line;\r | |
204 | \r | |
205 | if (CurrentLine == NULL || LineList == NULL) {\r | |
206 | return NULL;\r | |
207 | }\r | |
208 | \r | |
209 | for (Line = CurrentLine, Index = 0; Index < Count; Index++) {\r | |
210 | //\r | |
211 | // already the first line\r | |
212 | //\r | |
213 | if (Line->Link.BackLink == LineList) {\r | |
214 | return NULL;\r | |
215 | }\r | |
216 | \r | |
217 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
218 | }\r | |
219 | \r | |
220 | return ((EFI_EDITOR_LINE *)Line);\r | |
221 | }\r | |
222 | \r | |
223 | /**\r | |
224 | Advance/Retreat lines\r | |
225 | \r | |
226 | @param[in] Count line number to advance/retreat\r | |
227 | >0 : advance\r | |
228 | <0 : retreat\r | |
229 | \r | |
230 | @retval NULL An error occured.\r | |
231 | @return The line after advance/retreat.\r | |
232 | **/\r | |
233 | EFI_EDITOR_LINE *\r | |
234 | MoveLine (\r | |
235 | IN CONST INTN Count\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_EDITOR_LINE *Line;\r | |
239 | UINTN AbsCount;\r | |
240 | \r | |
241 | //\r | |
242 | // if < 0, then retreat\r | |
243 | // if > 0, the advance\r | |
244 | //\r | |
245 | if (Count <= 0) {\r | |
33c031ee | 246 | AbsCount = (UINTN)ABS(Count);\r |
632820d1 | 247 | Line = InternalEditorMiscLineRetreat (AbsCount,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
248 | } else {\r | |
33c031ee | 249 | Line = InternalEditorMiscLineAdvance ((UINTN)Count,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
632820d1 | 250 | }\r |
251 | \r | |
252 | return Line;\r | |
253 | }\r | |
254 | \r | |
255 | /**\r | |
256 | Function to update the 'screen' to display the mouse position.\r | |
257 | \r | |
258 | @retval EFI_SUCCESS The backup operation was successful.\r | |
259 | **/\r | |
260 | EFI_STATUS\r | |
632820d1 | 261 | FileBufferRestoreMousePosition (\r |
262 | VOID\r | |
263 | )\r | |
264 | {\r | |
265 | EFI_EDITOR_COLOR_UNION Orig;\r | |
266 | EFI_EDITOR_COLOR_UNION New;\r | |
267 | UINTN FRow;\r | |
268 | UINTN FColumn;\r | |
269 | BOOLEAN HasCharacter;\r | |
270 | EFI_EDITOR_LINE *CurrentLine;\r | |
271 | EFI_EDITOR_LINE *Line;\r | |
272 | CHAR16 Value;\r | |
273 | \r | |
274 | //\r | |
275 | // variable initialization\r | |
276 | //\r | |
277 | Line = NULL;\r | |
278 | \r | |
279 | if (MainEditor.MouseSupported) {\r | |
280 | \r | |
281 | if (FileBufferMouseNeedRefresh) {\r | |
282 | \r | |
283 | FileBufferMouseNeedRefresh = FALSE;\r | |
284 | \r | |
285 | //\r | |
286 | // if mouse position not moved and only mouse action\r | |
287 | // so do not need to refresh mouse position\r | |
288 | //\r | |
289 | if ((FileBuffer.MousePosition.Row == FileBufferBackupVar.MousePosition.Row &&\r | |
290 | FileBuffer.MousePosition.Column == FileBufferBackupVar.MousePosition.Column)\r | |
291 | && EditorMouseAction) {\r | |
292 | return EFI_SUCCESS;\r | |
293 | }\r | |
294 | //\r | |
295 | // backup the old screen attributes\r | |
296 | //\r | |
297 | Orig = MainEditor.ColorAttributes;\r | |
28981267 | 298 | New.Data = 0;\r |
17e59b33 JC |
299 | New.Colors.Foreground = Orig.Colors.Background & 0xF;\r |
300 | New.Colors.Background = Orig.Colors.Foreground & 0x7;\r | |
632820d1 | 301 | \r |
302 | //\r | |
303 | // clear the old mouse position\r | |
304 | //\r | |
305 | FRow = FileBuffer.LowVisibleRange.Row + FileBufferBackupVar.MousePosition.Row - 2;\r | |
306 | \r | |
307 | FColumn = FileBuffer.LowVisibleRange.Column + FileBufferBackupVar.MousePosition.Column - 1;\r | |
308 | \r | |
309 | HasCharacter = TRUE;\r | |
310 | if (FRow > FileBuffer.NumLines) {\r | |
311 | HasCharacter = FALSE;\r | |
312 | } else {\r | |
313 | CurrentLine = FileBuffer.CurrentLine;\r | |
314 | Line = MoveLine (FRow - FileBuffer.FilePosition.Row);\r | |
315 | \r | |
33c031ee | 316 | if (Line == NULL || FColumn > Line->Size) {\r |
632820d1 | 317 | HasCharacter = FALSE;\r |
318 | }\r | |
319 | \r | |
320 | FileBuffer.CurrentLine = CurrentLine;\r | |
321 | }\r | |
322 | \r | |
323 | ShellPrintEx (\r | |
324 | (INT32)FileBufferBackupVar.MousePosition.Column - 1,\r | |
325 | (INT32)FileBufferBackupVar.MousePosition.Row - 1,\r | |
326 | L" "\r | |
327 | );\r | |
328 | \r | |
329 | if (HasCharacter) {\r | |
330 | Value = (Line->Buffer[FColumn - 1]);\r | |
331 | ShellPrintEx (\r | |
332 | (INT32)FileBufferBackupVar.MousePosition.Column - 1,\r | |
333 | (INT32)FileBufferBackupVar.MousePosition.Row - 1,\r | |
334 | L"%c",\r | |
335 | Value\r | |
336 | );\r | |
337 | }\r | |
338 | //\r | |
339 | // set the new mouse position\r | |
340 | //\r | |
664fd587 RN |
341 | gST->ConOut->SetAttribute (gST->ConOut, New.Data & 0x7F);\r |
342 | \r | |
632820d1 | 343 | //\r |
344 | // clear the old mouse position\r | |
345 | //\r | |
346 | FRow = FileBuffer.LowVisibleRange.Row + FileBuffer.MousePosition.Row - 2;\r | |
347 | FColumn = FileBuffer.LowVisibleRange.Column + FileBuffer.MousePosition.Column - 1;\r | |
348 | \r | |
349 | HasCharacter = TRUE;\r | |
350 | if (FRow > FileBuffer.NumLines) {\r | |
351 | HasCharacter = FALSE;\r | |
352 | } else {\r | |
353 | CurrentLine = FileBuffer.CurrentLine;\r | |
354 | Line = MoveLine (FRow - FileBuffer.FilePosition.Row);\r | |
355 | \r | |
ae724571 | 356 | if (Line == NULL || FColumn > Line->Size) {\r |
632820d1 | 357 | HasCharacter = FALSE;\r |
358 | }\r | |
359 | \r | |
360 | FileBuffer.CurrentLine = CurrentLine;\r | |
361 | }\r | |
362 | \r | |
363 | ShellPrintEx (\r | |
364 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
365 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
366 | L" "\r | |
367 | );\r | |
368 | \r | |
369 | if (HasCharacter) {\r | |
370 | Value = Line->Buffer[FColumn - 1];\r | |
371 | ShellPrintEx (\r | |
372 | (INT32)FileBuffer.MousePosition.Column - 1,\r | |
373 | (INT32)FileBuffer.MousePosition.Row - 1,\r | |
374 | L"%c",\r | |
375 | Value\r | |
376 | );\r | |
377 | }\r | |
378 | //\r | |
379 | // end of HasCharacter\r | |
380 | //\r | |
381 | gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);\r | |
382 | }\r | |
383 | //\r | |
384 | // end of MouseNeedRefresh\r | |
385 | //\r | |
386 | }\r | |
387 | //\r | |
388 | // end of MouseSupported\r | |
389 | //\r | |
390 | return EFI_SUCCESS;\r | |
391 | }\r | |
392 | \r | |
393 | /**\r | |
394 | Free all the lines in FileBuffer\r | |
395 | Fields affected:\r | |
396 | Lines\r | |
397 | CurrentLine\r | |
398 | NumLines\r | |
399 | ListHead\r | |
400 | \r | |
401 | @retval EFI_SUCCESS The operation was successful.\r | |
402 | **/\r | |
403 | EFI_STATUS\r | |
632820d1 | 404 | FileBufferFreeLines (\r |
405 | VOID\r | |
406 | )\r | |
407 | {\r | |
408 | LIST_ENTRY *Link;\r | |
409 | EFI_EDITOR_LINE *Line;\r | |
410 | \r | |
411 | //\r | |
412 | // free all the lines\r | |
413 | //\r | |
414 | if (FileBuffer.Lines != NULL) {\r | |
415 | \r | |
416 | Line = FileBuffer.Lines;\r | |
417 | Link = &(Line->Link);\r | |
418 | do {\r | |
419 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
420 | Link = Link->ForwardLink;\r | |
421 | \r | |
422 | //\r | |
423 | // free line's buffer and line itself\r | |
424 | //\r | |
425 | LineFree (Line);\r | |
426 | } while (Link != FileBuffer.ListHead);\r | |
427 | }\r | |
428 | //\r | |
429 | // clean the line list related structure\r | |
430 | //\r | |
431 | FileBuffer.Lines = NULL;\r | |
432 | FileBuffer.CurrentLine = NULL;\r | |
433 | FileBuffer.NumLines = 0;\r | |
434 | \r | |
435 | FileBuffer.ListHead->ForwardLink = FileBuffer.ListHead;\r | |
436 | FileBuffer.ListHead->BackLink = FileBuffer.ListHead;\r | |
437 | \r | |
438 | return EFI_SUCCESS;\r | |
439 | }\r | |
440 | \r | |
441 | /**\r | |
442 | Cleanup function for FileBuffer.\r | |
443 | \r | |
444 | @retval EFI_SUCCESS The cleanup was successful.\r | |
445 | **/\r | |
446 | EFI_STATUS\r | |
632820d1 | 447 | FileBufferCleanup (\r |
448 | VOID\r | |
449 | )\r | |
450 | {\r | |
451 | EFI_STATUS Status;\r | |
452 | \r | |
453 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
454 | \r | |
455 | //\r | |
456 | // free all the lines\r | |
457 | //\r | |
458 | Status = FileBufferFreeLines ();\r | |
459 | \r | |
460 | SHELL_FREE_NON_NULL (FileBuffer.ListHead);\r | |
461 | FileBuffer.ListHead = NULL;\r | |
462 | \r | |
463 | SHELL_FREE_NON_NULL (FileBufferBackupVar.FileName);\r | |
464 | return Status;\r | |
465 | \r | |
466 | }\r | |
467 | \r | |
468 | /**\r | |
664fd587 | 469 | Print a line specified by Line on a row specified by Row of the screen.\r |
632820d1 | 470 | \r |
664fd587 RN |
471 | @param[in] Line The line to print.\r |
472 | @param[in] Row The row on the screen to print onto (begin from 1).\r | |
632820d1 | 473 | \r |
664fd587 | 474 | @retval EFI_SUCCESS The printing was successful.\r |
632820d1 | 475 | **/\r |
476 | EFI_STATUS\r | |
477 | FileBufferPrintLine (\r | |
664fd587 RN |
478 | IN CONST EFI_EDITOR_LINE *Line,\r |
479 | IN CONST UINTN Row\r | |
632820d1 | 480 | )\r |
481 | {\r | |
482 | \r | |
483 | CHAR16 *Buffer;\r | |
484 | UINTN Limit;\r | |
81cd2f53 ED |
485 | CHAR16 *PrintLine;\r |
486 | CHAR16 *PrintLine2;\r | |
664fd587 | 487 | UINTN BufLen; \r |
632820d1 | 488 | \r |
489 | //\r | |
490 | // print start from correct character\r | |
491 | //\r | |
492 | Buffer = Line->Buffer + FileBuffer.LowVisibleRange.Column - 1;\r | |
493 | \r | |
494 | Limit = Line->Size - FileBuffer.LowVisibleRange.Column + 1;\r | |
495 | if (Limit > Line->Size) {\r | |
496 | Limit = 0;\r | |
497 | }\r | |
498 | \r | |
81cd2f53 ED |
499 | BufLen = (MainEditor.ScreenSize.Column + 1) * sizeof (CHAR16);\r |
500 | PrintLine = AllocatePool (BufLen);\r | |
3e9442a5 RN |
501 | if (PrintLine != NULL) {\r |
502 | StrnCpyS (PrintLine, BufLen/sizeof(CHAR16), Buffer, MIN(Limit, MainEditor.ScreenSize.Column));\r | |
503 | for (; Limit < MainEditor.ScreenSize.Column; Limit++) {\r | |
504 | PrintLine[Limit] = L' ';\r | |
505 | }\r | |
81cd2f53 | 506 | \r |
3e9442a5 | 507 | PrintLine[MainEditor.ScreenSize.Column] = CHAR_NULL;\r |
632820d1 | 508 | \r |
3e9442a5 RN |
509 | PrintLine2 = AllocatePool (BufLen * 2);\r |
510 | if (PrintLine2 != NULL) {\r | |
511 | ShellCopySearchAndReplace(PrintLine, PrintLine2, BufLen * 2, L"%", L"^%", FALSE, FALSE);\r | |
632820d1 | 512 | \r |
3e9442a5 RN |
513 | ShellPrintEx (\r |
514 | 0,\r | |
515 | (INT32)Row - 1,\r | |
516 | L"%s",\r | |
517 | PrintLine2\r | |
518 | );\r | |
519 | FreePool (PrintLine2);\r | |
520 | }\r | |
521 | FreePool (PrintLine);\r | |
522 | }\r | |
81cd2f53 | 523 | \r |
632820d1 | 524 | return EFI_SUCCESS;\r |
525 | }\r | |
526 | \r | |
527 | /**\r | |
528 | Set the cursor position according to FileBuffer.DisplayPosition.\r | |
529 | \r | |
530 | @retval EFI_SUCCESS The operation was successful.\r | |
531 | **/\r | |
532 | EFI_STATUS\r | |
632820d1 | 533 | FileBufferRestorePosition (\r |
534 | VOID\r | |
535 | )\r | |
536 | {\r | |
537 | //\r | |
538 | // set cursor position\r | |
539 | //\r | |
540 | return (gST->ConOut->SetCursorPosition (\r | |
541 | gST->ConOut,\r | |
542 | FileBuffer.DisplayPosition.Column - 1,\r | |
543 | FileBuffer.DisplayPosition.Row - 1\r | |
544 | ));\r | |
545 | }\r | |
546 | \r | |
547 | /**\r | |
548 | Refresh the screen with whats in the buffer.\r | |
549 | \r | |
550 | @retval EFI_SUCCESS The refresh was successful.\r | |
551 | @retval EFI_LOAD_ERROR There was an error finding what to write.\r | |
552 | **/\r | |
553 | EFI_STATUS\r | |
632820d1 | 554 | FileBufferRefresh (\r |
555 | VOID\r | |
556 | )\r | |
557 | {\r | |
558 | LIST_ENTRY *Link;\r | |
559 | EFI_EDITOR_LINE *Line;\r | |
560 | UINTN Row;\r | |
561 | \r | |
562 | //\r | |
563 | // if it's the first time after editor launch, so should refresh\r | |
564 | //\r | |
565 | if (!EditorFirst) {\r | |
566 | //\r | |
567 | // no definite required refresh\r | |
568 | // and file position displayed on screen has not been changed\r | |
569 | //\r | |
570 | if (!FileBufferNeedRefresh &&\r | |
571 | !FileBufferOnlyLineNeedRefresh &&\r | |
664fd587 RN |
572 | FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row &&\r |
573 | FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column\r | |
632820d1 | 574 | ) {\r |
664fd587 | 575 | \r |
632820d1 | 576 | FileBufferRestoreMousePosition ();\r |
577 | FileBufferRestorePosition ();\r | |
664fd587 | 578 | \r |
632820d1 | 579 | return EFI_SUCCESS;\r |
580 | }\r | |
581 | }\r | |
582 | \r | |
583 | gST->ConOut->EnableCursor (gST->ConOut, FALSE);\r | |
584 | \r | |
585 | //\r | |
586 | // only need to refresh current line\r | |
587 | //\r | |
588 | if (FileBufferOnlyLineNeedRefresh &&\r | |
664fd587 RN |
589 | FileBufferBackupVar.LowVisibleRange.Row == FileBuffer.LowVisibleRange.Row &&\r |
590 | FileBufferBackupVar.LowVisibleRange.Column == FileBuffer.LowVisibleRange.Column\r | |
632820d1 | 591 | ) {\r |
592 | \r | |
593 | EditorClearLine (FileBuffer.DisplayPosition.Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r | |
594 | FileBufferPrintLine (\r | |
595 | FileBuffer.CurrentLine,\r | |
664fd587 | 596 | FileBuffer.DisplayPosition.Row\r |
632820d1 | 597 | );\r |
598 | } else {\r | |
599 | //\r | |
600 | // the whole edit area need refresh\r | |
601 | //\r | |
602 | \r | |
603 | //\r | |
604 | // no line\r | |
605 | //\r | |
606 | if (FileBuffer.Lines == NULL) {\r | |
607 | FileBufferRestoreMousePosition ();\r | |
608 | FileBufferRestorePosition ();\r | |
609 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
610 | \r | |
611 | return EFI_SUCCESS;\r | |
612 | }\r | |
613 | //\r | |
614 | // get the first line that will be displayed\r | |
615 | //\r | |
616 | Line = MoveLine (FileBuffer.LowVisibleRange.Row - FileBuffer.FilePosition.Row);\r | |
617 | if (Line == NULL) {\r | |
618 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
619 | \r | |
620 | return EFI_LOAD_ERROR;\r | |
621 | }\r | |
622 | \r | |
623 | Link = &(Line->Link);\r | |
624 | Row = 2;\r | |
625 | do {\r | |
626 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
627 | \r | |
628 | //\r | |
629 | // print line at row\r | |
630 | //\r | |
664fd587 | 631 | FileBufferPrintLine (Line, Row);\r |
632820d1 | 632 | \r |
633 | Link = Link->ForwardLink;\r | |
634 | Row++;\r | |
664fd587 | 635 | } while (Link != FileBuffer.ListHead && Row <= (MainEditor.ScreenSize.Row - 1));\r |
632820d1 | 636 | //\r |
637 | // while not file end and not screen full\r | |
638 | //\r | |
664fd587 | 639 | while (Row <= (MainEditor.ScreenSize.Row - 1)) {\r |
632820d1 | 640 | EditorClearLine (Row, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row);\r |
641 | Row++;\r | |
642 | }\r | |
643 | }\r | |
644 | \r | |
645 | FileBufferRestoreMousePosition ();\r | |
646 | FileBufferRestorePosition ();\r | |
647 | \r | |
648 | FileBufferNeedRefresh = FALSE;\r | |
649 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
650 | \r | |
651 | gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r | |
652 | return EFI_SUCCESS;\r | |
653 | }\r | |
654 | \r | |
655 | /**\r | |
656 | Create a new line and append it to the line list.\r | |
657 | Fields affected:\r | |
658 | NumLines\r | |
659 | Lines\r | |
660 | \r | |
661 | @retval NULL The create line failed.\r | |
662 | @return The line created.\r | |
663 | **/\r | |
664 | EFI_EDITOR_LINE *\r | |
632820d1 | 665 | FileBufferCreateLine (\r |
666 | VOID\r | |
667 | )\r | |
668 | {\r | |
669 | EFI_EDITOR_LINE *Line;\r | |
670 | \r | |
671 | //\r | |
672 | // allocate a line structure\r | |
673 | //\r | |
674 | Line = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r | |
675 | if (Line == NULL) {\r | |
676 | return NULL;\r | |
677 | }\r | |
678 | //\r | |
679 | // initialize the structure\r | |
680 | //\r | |
681 | Line->Signature = LINE_LIST_SIGNATURE;\r | |
682 | Line->Size = 0;\r | |
683 | Line->TotalSize = 0;\r | |
684 | Line->Type = NewLineTypeDefault;\r | |
685 | \r | |
686 | //\r | |
687 | // initial buffer of the line is "\0"\r | |
688 | //\r | |
689 | ASSERT(CHAR_NULL == CHAR_NULL);\r | |
690 | Line->Buffer = CatSPrint (NULL, L"\0");\r | |
691 | if (Line->Buffer == NULL) {\r | |
692 | return NULL;\r | |
693 | }\r | |
694 | \r | |
695 | FileBuffer.NumLines++;\r | |
696 | \r | |
697 | //\r | |
698 | // insert the line into line list\r | |
699 | //\r | |
700 | InsertTailList (FileBuffer.ListHead, &Line->Link);\r | |
701 | \r | |
702 | if (FileBuffer.Lines == NULL) {\r | |
703 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
704 | }\r | |
705 | \r | |
706 | return Line;\r | |
707 | }\r | |
708 | \r | |
709 | /**\r | |
710 | Set FileName field in FileBuffer.\r | |
711 | \r | |
712 | @param Str The file name to set.\r | |
713 | \r | |
714 | @retval EFI_SUCCESS The filename was successfully set.\r | |
715 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
716 | @retval EFI_INVALID_PARAMETER Str is not a valid filename.\r | |
717 | **/\r | |
718 | EFI_STATUS\r | |
632820d1 | 719 | FileBufferSetFileName (\r |
720 | IN CONST CHAR16 *Str\r | |
721 | )\r | |
722 | {\r | |
723 | //\r | |
724 | // Verify the parameters\r | |
725 | //\r | |
726 | if (!IsValidFileName(Str)) {\r | |
727 | return (EFI_INVALID_PARAMETER);\r | |
728 | }\r | |
729 | //\r | |
730 | // free the old file name\r | |
731 | //\r | |
732 | SHELL_FREE_NON_NULL (FileBuffer.FileName);\r | |
733 | \r | |
734 | //\r | |
735 | // Allocate and set the new name\r | |
736 | //\r | |
737 | FileBuffer.FileName = CatSPrint (NULL, L"%s", Str);\r | |
738 | if (FileBuffer.FileName == NULL) {\r | |
739 | return EFI_OUT_OF_RESOURCES;\r | |
740 | }\r | |
741 | \r | |
742 | return EFI_SUCCESS;\r | |
743 | }\r | |
744 | /**\r | |
745 | Free the existing file lines and reset the modified flag.\r | |
746 | \r | |
747 | @retval EFI_SUCCESS The operation was successful.\r | |
748 | **/\r | |
749 | EFI_STATUS\r | |
632820d1 | 750 | FileBufferFree (\r |
751 | VOID\r | |
752 | )\r | |
753 | {\r | |
754 | //\r | |
755 | // free all the lines\r | |
756 | //\r | |
757 | FileBufferFreeLines ();\r | |
758 | FileBuffer.FileModified = FALSE;\r | |
759 | \r | |
760 | return EFI_SUCCESS;\r | |
761 | }\r | |
762 | \r | |
763 | \r | |
764 | /**\r | |
765 | Read a file from disk into the FileBuffer.\r | |
766 | \r | |
767 | @param[in] FileName The filename to read.\r | |
768 | @param[in] Recover TRUE if is for recover mode, no information printouts.\r | |
769 | \r | |
770 | @retval EFI_SUCCESS The load was successful.\r | |
771 | @retval EFI_LOAD_ERROR The load failed.\r | |
772 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
773 | @retval EFI_INVALID_PARAMETER FileName is a directory.\r | |
774 | **/\r | |
775 | EFI_STATUS\r | |
632820d1 | 776 | FileBufferRead (\r |
777 | IN CONST CHAR16 *FileName,\r | |
778 | IN CONST BOOLEAN Recover\r | |
779 | )\r | |
780 | {\r | |
781 | EFI_EDITOR_LINE *Line;\r | |
782 | EE_NEWLINE_TYPE Type;\r | |
783 | UINTN LoopVar1;\r | |
784 | UINTN LoopVar2;\r | |
785 | UINTN LineSize;\r | |
786 | VOID *Buffer;\r | |
787 | CHAR16 *UnicodeBuffer;\r | |
788 | UINT8 *AsciiBuffer;\r | |
789 | UINTN FileSize;\r | |
790 | SHELL_FILE_HANDLE FileHandle;\r | |
791 | BOOLEAN CreateFile;\r | |
792 | EFI_STATUS Status;\r | |
793 | UINTN LineSizeBackup;\r | |
794 | EFI_FILE_INFO *Info;\r | |
795 | \r | |
796 | Line = NULL;\r | |
797 | LoopVar1 = 0;\r | |
798 | FileSize = 0;\r | |
799 | UnicodeBuffer = NULL;\r | |
800 | Type = NewLineTypeDefault;\r | |
801 | FileHandle = NULL;\r | |
802 | CreateFile = FALSE;\r | |
803 | \r | |
804 | //\r | |
805 | // in this function, when you return error ( except EFI_OUT_OF_RESOURCES )\r | |
806 | // you should set status string via StatusBarSetStatusString(L"blah")\r | |
807 | // since this function maybe called before the editorhandleinput loop\r | |
808 | // so any error will cause editor return\r | |
809 | // so if you want to print the error status\r | |
810 | // you should set the status string\r | |
811 | //\r | |
812 | \r | |
813 | //\r | |
814 | // try to open the file\r | |
815 | //\r | |
816 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ, 0);\r | |
817 | \r | |
818 | if (!EFI_ERROR(Status)) {\r | |
819 | CreateFile = FALSE;\r | |
820 | if (FileHandle == NULL) {\r | |
821 | StatusBarSetStatusString (L"Disk Error");\r | |
822 | return EFI_LOAD_ERROR;\r | |
823 | }\r | |
824 | \r | |
825 | Info = ShellGetFileInfo(FileHandle);\r | |
826 | \r | |
827 | if (Info->Attribute & EFI_FILE_DIRECTORY) {\r | |
828 | StatusBarSetStatusString (L"Directory Can Not Be Edited");\r | |
829 | FreePool (Info);\r | |
830 | return EFI_INVALID_PARAMETER;\r | |
831 | }\r | |
832 | \r | |
833 | if (Info->Attribute & EFI_FILE_READ_ONLY) {\r | |
834 | FileBuffer.ReadOnly = TRUE;\r | |
835 | } else {\r | |
836 | FileBuffer.ReadOnly = FALSE;\r | |
837 | }\r | |
838 | //\r | |
839 | // get file size\r | |
840 | //\r | |
841 | FileSize = (UINTN) Info->FileSize;\r | |
842 | \r | |
843 | FreePool (Info);\r | |
844 | } else if (Status == EFI_NOT_FOUND) {\r | |
845 | //\r | |
846 | // file not exists. add create and try again\r | |
847 | //\r | |
848 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, 0);\r | |
849 | if (EFI_ERROR (Status)) {\r | |
850 | if (Status == EFI_WRITE_PROTECTED ||\r | |
851 | Status == EFI_ACCESS_DENIED ||\r | |
852 | Status == EFI_NO_MEDIA ||\r | |
853 | Status == EFI_MEDIA_CHANGED\r | |
854 | ) {\r | |
855 | StatusBarSetStatusString (L"Access Denied");\r | |
856 | } else if (Status == EFI_DEVICE_ERROR || Status == EFI_VOLUME_CORRUPTED || Status == EFI_VOLUME_FULL) {\r | |
857 | StatusBarSetStatusString (L"Disk Error");\r | |
858 | } else {\r | |
859 | StatusBarSetStatusString (L"Invalid File Name or Current-working-directory");\r | |
860 | }\r | |
861 | \r | |
862 | return Status;\r | |
863 | } else {\r | |
864 | //\r | |
865 | // it worked. now delete it and move on with the name (now validated)\r | |
866 | //\r | |
867 | Status = ShellDeleteFile (&FileHandle);\r | |
868 | if (Status == EFI_WARN_DELETE_FAILURE) {\r | |
869 | Status = EFI_ACCESS_DENIED;\r | |
870 | }\r | |
871 | FileHandle = NULL;\r | |
872 | if (EFI_ERROR (Status)) {\r | |
873 | StatusBarSetStatusString (L"Access Denied");\r | |
874 | return Status;\r | |
875 | }\r | |
876 | }\r | |
877 | //\r | |
878 | // file doesn't exist, so set CreateFile to TRUE\r | |
879 | //\r | |
880 | CreateFile = TRUE;\r | |
881 | FileBuffer.ReadOnly = FALSE;\r | |
882 | \r | |
883 | //\r | |
884 | // all the check ends\r | |
885 | // so now begin to set file name, free lines\r | |
886 | //\r | |
887 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
888 | FileBufferSetFileName (FileName);\r | |
889 | }\r | |
890 | //\r | |
891 | // free the old lines\r | |
892 | //\r | |
893 | FileBufferFree ();\r | |
894 | \r | |
895 | }\r | |
896 | //\r | |
897 | // the file exists\r | |
898 | //\r | |
899 | if (!CreateFile) {\r | |
900 | //\r | |
901 | // allocate buffer to read file\r | |
902 | //\r | |
903 | Buffer = AllocateZeroPool (FileSize);\r | |
904 | if (Buffer == NULL) {\r | |
905 | return EFI_OUT_OF_RESOURCES;\r | |
906 | }\r | |
907 | //\r | |
908 | // read file into Buffer\r | |
909 | //\r | |
910 | Status = ShellReadFile (FileHandle, &FileSize, Buffer);\r | |
911 | ShellCloseFile(&FileHandle);\r | |
912 | FileHandle = NULL;\r | |
913 | if (EFI_ERROR (Status)) {\r | |
914 | StatusBarSetStatusString (L"Read File Failed");\r | |
915 | SHELL_FREE_NON_NULL (Buffer);\r | |
916 | return EFI_LOAD_ERROR;\r | |
917 | }\r | |
918 | //\r | |
919 | // nothing in this file\r | |
920 | //\r | |
921 | if (FileSize == 0) {\r | |
922 | SHELL_FREE_NON_NULL (Buffer);\r | |
923 | //\r | |
924 | // since has no head, so only can be an ASCII file\r | |
925 | //\r | |
926 | FileBuffer.FileType = FileTypeAscii;\r | |
927 | \r | |
928 | goto Done;\r | |
929 | }\r | |
930 | \r | |
931 | AsciiBuffer = Buffer;\r | |
932 | \r | |
933 | if (FileSize < 2) {\r | |
934 | //\r | |
935 | // size < Unicode file header, so only can be ASCII file\r | |
936 | //\r | |
937 | FileBuffer.FileType = FileTypeAscii;\r | |
938 | } else {\r | |
939 | //\r | |
940 | // Unicode file\r | |
941 | //\r | |
942 | if (*(UINT16 *) Buffer == EFI_UNICODE_BYTE_ORDER_MARK) {\r | |
943 | //\r | |
944 | // Unicode file's size should be even\r | |
945 | //\r | |
946 | if ((FileSize % 2) != 0) {\r | |
947 | StatusBarSetStatusString (L"File Format Wrong");\r | |
948 | SHELL_FREE_NON_NULL (Buffer);\r | |
949 | return EFI_LOAD_ERROR;\r | |
950 | }\r | |
951 | \r | |
952 | FileSize /= 2;\r | |
953 | \r | |
954 | FileBuffer.FileType = FileTypeUnicode;\r | |
955 | UnicodeBuffer = Buffer;\r | |
956 | \r | |
957 | //\r | |
958 | // pass this 0xff and 0xfe\r | |
959 | //\r | |
960 | UnicodeBuffer++;\r | |
961 | FileSize--;\r | |
962 | } else {\r | |
963 | FileBuffer.FileType = FileTypeAscii;\r | |
964 | }\r | |
965 | //\r | |
966 | // end of AsciiBuffer ==\r | |
967 | //\r | |
968 | }\r | |
969 | //\r | |
970 | // end of FileSize < 2\r | |
971 | // all the check ends\r | |
972 | // so now begin to set file name, free lines\r | |
973 | //\r | |
974 | if (StrCmp (FileName, FileBuffer.FileName) != 0) {\r | |
975 | FileBufferSetFileName (FileName);\r | |
976 | }\r | |
977 | \r | |
978 | //\r | |
979 | // free the old lines\r | |
980 | //\r | |
981 | FileBufferFree ();\r | |
982 | \r | |
983 | //\r | |
984 | // parse file content line by line\r | |
985 | //\r | |
986 | for (LoopVar1 = 0; LoopVar1 < FileSize; LoopVar1++) {\r | |
987 | Type = NewLineTypeUnknown;\r | |
988 | \r | |
989 | for (LineSize = LoopVar1; LineSize < FileSize; LineSize++) {\r | |
990 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
991 | if (AsciiBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
992 | Type = NewLineTypeCarriageReturn;\r | |
993 | \r | |
994 | //\r | |
995 | // has LF following\r | |
996 | //\r | |
997 | if (LineSize < FileSize - 1) {\r | |
998 | if (AsciiBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
999 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1000 | }\r | |
1001 | }\r | |
1002 | \r | |
1003 | break;\r | |
1004 | } else if (AsciiBuffer[LineSize] == CHAR_LINEFEED) {\r | |
1005 | Type = NewLineTypeLineFeed;\r | |
1006 | \r | |
1007 | //\r | |
1008 | // has CR following\r | |
1009 | //\r | |
1010 | if (LineSize < FileSize - 1) {\r | |
1011 | if (AsciiBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1012 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1013 | }\r | |
1014 | }\r | |
1015 | \r | |
1016 | break;\r | |
1017 | }\r | |
1018 | } else {\r | |
1019 | if (UnicodeBuffer[LineSize] == CHAR_CARRIAGE_RETURN) {\r | |
1020 | Type = NewLineTypeCarriageReturn;\r | |
1021 | \r | |
1022 | //\r | |
1023 | // has LF following\r | |
1024 | //\r | |
1025 | if (LineSize < FileSize - 1) {\r | |
1026 | if (UnicodeBuffer[LineSize + 1] == CHAR_LINEFEED) {\r | |
1027 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1028 | }\r | |
1029 | }\r | |
1030 | \r | |
1031 | break;\r | |
1032 | } else if (UnicodeBuffer[LineSize] == CHAR_LINEFEED) {\r | |
1033 | Type = NewLineTypeLineFeed;\r | |
1034 | \r | |
1035 | //\r | |
1036 | // has CR following\r | |
1037 | //\r | |
1038 | if (LineSize < FileSize - 1) {\r | |
1039 | if (UnicodeBuffer[LineSize + 1] == CHAR_CARRIAGE_RETURN) {\r | |
1040 | Type = NewLineTypeLineFeedCarriageReturn;\r | |
1041 | }\r | |
1042 | }\r | |
1043 | \r | |
1044 | break;\r | |
1045 | }\r | |
1046 | }\r | |
1047 | //\r | |
1048 | // endif == ASCII\r | |
1049 | //\r | |
1050 | }\r | |
1051 | //\r | |
1052 | // end of for LineSize\r | |
1053 | //\r | |
1054 | // if the type is wrong, then exit\r | |
1055 | //\r | |
1056 | if (Type == NewLineTypeUnknown) {\r | |
1057 | //\r | |
1058 | // Now if Type is NewLineTypeUnknown, it should be file end\r | |
1059 | //\r | |
1060 | Type = NewLineTypeDefault;\r | |
1061 | }\r | |
1062 | \r | |
1063 | LineSizeBackup = LineSize;\r | |
1064 | \r | |
1065 | //\r | |
1066 | // create a new line\r | |
1067 | //\r | |
1068 | Line = FileBufferCreateLine ();\r | |
1069 | if (Line == NULL) {\r | |
1070 | SHELL_FREE_NON_NULL (Buffer);\r | |
1071 | return EFI_OUT_OF_RESOURCES;\r | |
1072 | }\r | |
1073 | //\r | |
1074 | // calculate file length\r | |
1075 | //\r | |
1076 | LineSize -= LoopVar1;\r | |
1077 | \r | |
1078 | //\r | |
1079 | // Unicode and one CHAR_NULL\r | |
1080 | //\r | |
1081 | SHELL_FREE_NON_NULL (Line->Buffer);\r | |
1082 | Line->Buffer = AllocateZeroPool (LineSize * 2 + 2);\r | |
1083 | \r | |
1084 | if (Line->Buffer == NULL) {\r | |
1085 | RemoveEntryList (&Line->Link);\r | |
1086 | return EFI_OUT_OF_RESOURCES;\r | |
1087 | }\r | |
1088 | //\r | |
1089 | // copy this line to Line->Buffer\r | |
1090 | //\r | |
1091 | for (LoopVar2 = 0; LoopVar2 < LineSize; LoopVar2++) {\r | |
1092 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1093 | Line->Buffer[LoopVar2] = (CHAR16) AsciiBuffer[LoopVar1];\r | |
1094 | } else {\r | |
1095 | Line->Buffer[LoopVar2] = UnicodeBuffer[LoopVar1];\r | |
1096 | }\r | |
1097 | \r | |
1098 | LoopVar1++;\r | |
1099 | }\r | |
1100 | //\r | |
1101 | // LoopVar1 now points to where CHAR_CARRIAGE_RETURN or CHAR_LINEFEED;\r | |
1102 | //\r | |
1103 | Line->Buffer[LineSize] = 0;\r | |
1104 | \r | |
1105 | Line->Size = LineSize;\r | |
1106 | Line->TotalSize = LineSize;\r | |
1107 | Line->Type = Type;\r | |
1108 | \r | |
1109 | if (Type == NewLineTypeCarriageReturnLineFeed || Type == NewLineTypeLineFeedCarriageReturn) {\r | |
1110 | LoopVar1++;\r | |
1111 | }\r | |
1112 | \r | |
1113 | //\r | |
1114 | // last character is a return, SO create a new line\r | |
1115 | //\r | |
1116 | if (((Type == NewLineTypeCarriageReturnLineFeed || Type == NewLineTypeLineFeedCarriageReturn) && LineSizeBackup == FileSize - 2) ||\r | |
1117 | ((Type == NewLineTypeLineFeed || Type == NewLineTypeCarriageReturn) && LineSizeBackup == FileSize - 1)\r | |
1118 | ) {\r | |
1119 | Line = FileBufferCreateLine ();\r | |
1120 | if (Line == NULL) {\r | |
1121 | SHELL_FREE_NON_NULL (Buffer);\r | |
1122 | return EFI_OUT_OF_RESOURCES;\r | |
1123 | }\r | |
1124 | }\r | |
1125 | //\r | |
1126 | // end of if\r | |
1127 | //\r | |
1128 | }\r | |
1129 | //\r | |
1130 | // end of LoopVar1\r | |
1131 | //\r | |
1132 | SHELL_FREE_NON_NULL (Buffer);\r | |
1133 | \r | |
1134 | }\r | |
1135 | //\r | |
1136 | // end of if CreateFile\r | |
1137 | //\r | |
1138 | Done:\r | |
1139 | \r | |
1140 | FileBuffer.DisplayPosition.Row = 2;\r | |
1141 | FileBuffer.DisplayPosition.Column = 1;\r | |
1142 | FileBuffer.LowVisibleRange.Row = 1;\r | |
1143 | FileBuffer.LowVisibleRange.Column = 1;\r | |
1144 | FileBuffer.FilePosition.Row = 1;\r | |
1145 | FileBuffer.FilePosition.Column = 1;\r | |
1146 | FileBuffer.MousePosition.Row = 2;\r | |
1147 | FileBuffer.MousePosition.Column = 1;\r | |
1148 | \r | |
1149 | if (!Recover) {\r | |
1150 | UnicodeBuffer = CatSPrint (NULL, L"%d Lines Read", FileBuffer.NumLines);\r | |
1151 | if (UnicodeBuffer == NULL) {\r | |
1152 | return EFI_OUT_OF_RESOURCES;\r | |
1153 | }\r | |
1154 | \r | |
1155 | StatusBarSetStatusString (UnicodeBuffer);\r | |
1156 | FreePool (UnicodeBuffer);\r | |
1157 | }\r | |
1158 | /*\r | |
1159 | //\r | |
1160 | // check whether we have fs?: in filename\r | |
1161 | //\r | |
1162 | LoopVar1 = 0;\r | |
1163 | FSMappingPtr = NULL;\r | |
1164 | while (FileName[LoopVar1] != 0) {\r | |
1165 | if (FileName[LoopVar1] == L':') {\r | |
1166 | FSMappingPtr = &FileName[LoopVar1];\r | |
1167 | break;\r | |
1168 | }\r | |
1169 | \r | |
1170 | LoopVar1++;\r | |
1171 | }\r | |
1172 | \r | |
1173 | if (FSMappingPtr == NULL) {\r | |
1174 | CurDir = ShellGetCurrentDir (NULL);\r | |
1175 | } else {\r | |
1176 | LoopVar1 = 0;\r | |
1177 | LoopVar2 = 0;\r | |
1178 | while (FileName[LoopVar1] != 0) {\r | |
1179 | if (FileName[LoopVar1] == L':') {\r | |
1180 | break;\r | |
1181 | }\r | |
1182 | \r | |
1183 | FSMapping[LoopVar2++] = FileName[LoopVar1];\r | |
1184 | \r | |
1185 | LoopVar1++;\r | |
1186 | }\r | |
1187 | \r | |
1188 | FSMapping[LoopVar2] = 0;\r | |
1189 | CurDir = ShellGetCurrentDir (FSMapping);\r | |
1190 | }\r | |
1191 | \r | |
1192 | if (CurDir != NULL) {\r | |
1193 | for (LoopVar1 = 0; LoopVar1 < StrLen (CurDir) && CurDir[LoopVar1] != ':'; LoopVar1++);\r | |
1194 | \r | |
1195 | CurDir[LoopVar1] = 0;\r | |
1196 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) ShellGetMap (CurDir);\r | |
1197 | FreePool (CurDir);\r | |
1198 | } else {\r | |
1199 | return EFI_LOAD_ERROR;\r | |
1200 | }\r | |
1201 | \r | |
1202 | Status = LibDevicePathToInterface (\r | |
1203 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1204 | DevicePath,\r | |
1205 | (VOID **) &Vol\r | |
1206 | );\r | |
1207 | if (EFI_ERROR (Status)) {\r | |
1208 | return EFI_LOAD_ERROR;\r | |
1209 | }\r | |
1210 | \r | |
1211 | Status = Vol->OpenVolume (Vol, &RootFs);\r | |
1212 | if (EFI_ERROR (Status)) {\r | |
1213 | return EFI_LOAD_ERROR;\r | |
1214 | }\r | |
1215 | //\r | |
1216 | // Get volume information of file system\r | |
1217 | //\r | |
1218 | Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + 100;\r | |
1219 | VolumeInfo = (EFI_FILE_SYSTEM_INFO *) AllocateZeroPool (Size);\r | |
1220 | Status = RootFs->GetInfo (RootFs, &gEfiFileSystemInfoGuid, &Size, VolumeInfo);\r | |
1221 | if (EFI_ERROR (Status)) {\r | |
1222 | RootFs->Close (RootFs);\r | |
1223 | return EFI_LOAD_ERROR;\r | |
1224 | }\r | |
1225 | \r | |
1226 | if (VolumeInfo->ReadOnly) {\r | |
1227 | StatusBarSetStatusString (L"WARNING: Volume Read Only");\r | |
1228 | }\r | |
1229 | \r | |
1230 | FreePool (VolumeInfo);\r | |
1231 | RootFs->Close (RootFs);\r | |
1232 | }\r | |
1233 | //\r | |
1234 | */\r | |
1235 | //\r | |
1236 | // has line\r | |
1237 | //\r | |
1238 | if (FileBuffer.Lines != 0) {\r | |
1239 | FileBuffer.CurrentLine = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1240 | } else {\r | |
1241 | //\r | |
1242 | // create a dummy line\r | |
1243 | //\r | |
1244 | Line = FileBufferCreateLine ();\r | |
1245 | if (Line == NULL) {\r | |
1246 | return EFI_OUT_OF_RESOURCES;\r | |
1247 | }\r | |
1248 | \r | |
1249 | FileBuffer.CurrentLine = Line;\r | |
1250 | }\r | |
1251 | \r | |
1252 | FileBuffer.FileModified = FALSE;\r | |
1253 | FileBufferNeedRefresh = TRUE;\r | |
1254 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1255 | FileBufferMouseNeedRefresh = TRUE;\r | |
1256 | \r | |
1257 | \r | |
1258 | return EFI_SUCCESS;\r | |
1259 | }\r | |
1260 | \r | |
1261 | /**\r | |
1262 | According to FileBuffer.NewLineType & FileBuffer.FileType,\r | |
1263 | get the return buffer and size.\r | |
1264 | \r | |
1265 | @param[in] Type The type of line.\r | |
1266 | @param[out] Buffer The buffer to fill.\r | |
1267 | @param[out] Size The amount of the buffer used on return.\r | |
1268 | **/\r | |
1269 | VOID\r | |
632820d1 | 1270 | GetNewLine (\r |
1271 | IN CONST EE_NEWLINE_TYPE Type,\r | |
1272 | OUT CHAR8 *Buffer,\r | |
1273 | OUT UINT8 *Size\r | |
1274 | )\r | |
1275 | {\r | |
1276 | UINT8 NewLineSize;\r | |
1277 | \r | |
1278 | //\r | |
1279 | // give new line buffer,\r | |
1280 | // and will judge unicode or ascii\r | |
1281 | //\r | |
1282 | NewLineSize = 0;\r | |
1283 | \r | |
1284 | //\r | |
1285 | // not legal new line type\r | |
1286 | //\r | |
1287 | if (Type != NewLineTypeLineFeed && Type != NewLineTypeCarriageReturn && Type != NewLineTypeCarriageReturnLineFeed && Type != NewLineTypeLineFeedCarriageReturn) {\r | |
1288 | *Size = 0;\r | |
1289 | return ;\r | |
1290 | }\r | |
1291 | //\r | |
1292 | // use_cr: give 0x0d\r | |
1293 | //\r | |
1294 | if (Type == NewLineTypeCarriageReturn) {\r | |
1295 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1296 | Buffer[0] = 0x0d;\r | |
1297 | Buffer[1] = 0;\r | |
1298 | NewLineSize = 2;\r | |
1299 | } else {\r | |
1300 | Buffer[0] = 0x0d;\r | |
1301 | NewLineSize = 1;\r | |
1302 | }\r | |
1303 | \r | |
1304 | *Size = NewLineSize;\r | |
1305 | return ;\r | |
1306 | }\r | |
1307 | //\r | |
1308 | // use_lf: give 0x0a\r | |
1309 | //\r | |
1310 | if (Type == NewLineTypeLineFeed) {\r | |
1311 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1312 | Buffer[0] = 0x0a;\r | |
1313 | Buffer[1] = 0;\r | |
1314 | NewLineSize = 2;\r | |
1315 | } else {\r | |
1316 | Buffer[0] = 0x0a;\r | |
1317 | NewLineSize = 1;\r | |
1318 | }\r | |
1319 | \r | |
1320 | *Size = NewLineSize;\r | |
1321 | return ;\r | |
1322 | }\r | |
1323 | //\r | |
1324 | // use_crlf: give 0x0d 0x0a\r | |
1325 | //\r | |
1326 | if (Type == NewLineTypeCarriageReturnLineFeed) {\r | |
1327 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1328 | Buffer[0] = 0x0d;\r | |
1329 | Buffer[1] = 0;\r | |
1330 | Buffer[2] = 0x0a;\r | |
1331 | Buffer[3] = 0;\r | |
1332 | \r | |
1333 | NewLineSize = 4;\r | |
1334 | } else {\r | |
1335 | Buffer[0] = 0x0d;\r | |
1336 | Buffer[1] = 0x0a;\r | |
1337 | NewLineSize = 2;\r | |
1338 | }\r | |
1339 | \r | |
1340 | *Size = NewLineSize;\r | |
1341 | return ;\r | |
1342 | }\r | |
1343 | //\r | |
1344 | // use_lfcr: give 0x0a 0x0d\r | |
1345 | //\r | |
1346 | if (Type == NewLineTypeLineFeedCarriageReturn) {\r | |
1347 | if (MainEditor.FileBuffer->FileType == FileTypeUnicode) {\r | |
1348 | Buffer[0] = 0x0a;\r | |
1349 | Buffer[1] = 0;\r | |
1350 | Buffer[2] = 0x0d;\r | |
1351 | Buffer[3] = 0;\r | |
1352 | \r | |
1353 | NewLineSize = 4;\r | |
1354 | } else {\r | |
1355 | Buffer[0] = 0x0a;\r | |
1356 | Buffer[1] = 0x0d;\r | |
1357 | NewLineSize = 2;\r | |
1358 | }\r | |
1359 | \r | |
1360 | *Size = NewLineSize;\r | |
1361 | return ;\r | |
1362 | }\r | |
1363 | \r | |
1364 | }\r | |
1365 | \r | |
1366 | /**\r | |
1367 | Change a Unicode string to an ASCII string.\r | |
1368 | \r | |
1369 | @param[in] UStr The Unicode string.\r | |
ae724571 | 1370 | @param[in] Length The maximum size of AStr.\r |
632820d1 | 1371 | @param[out] AStr ASCII string to pass out.\r |
1372 | \r | |
1373 | @return The actuall length.\r | |
1374 | **/\r | |
1375 | UINTN\r | |
632820d1 | 1376 | UnicodeToAscii (\r |
ae724571 | 1377 | IN CONST CHAR16 *UStr,\r |
1378 | IN CONST UINTN Length,\r | |
1379 | OUT CHAR8 *AStr\r | |
632820d1 | 1380 | )\r |
1381 | {\r | |
1382 | UINTN Index;\r | |
1383 | \r | |
1384 | //\r | |
1385 | // just buffer copy, not character copy\r | |
1386 | //\r | |
1387 | for (Index = 0; Index < Length; Index++) {\r | |
1388 | *AStr++ = (CHAR8) *UStr++;\r | |
1389 | }\r | |
1390 | \r | |
1391 | return Index;\r | |
1392 | }\r | |
1393 | \r | |
1394 | /**\r | |
1395 | Save lines in FileBuffer to disk\r | |
1396 | \r | |
1397 | @param[in] FileName The file name for writing.\r | |
1398 | \r | |
1399 | @retval EFI_SUCCESS Data was written.\r | |
1400 | @retval EFI_LOAD_ERROR \r | |
1401 | @retval EFI_OUT_OF_RESOURCES There were not enough resources to write the file.\r | |
1402 | **/\r | |
1403 | EFI_STATUS\r | |
632820d1 | 1404 | FileBufferSave (\r |
1405 | IN CONST CHAR16 *FileName\r | |
1406 | )\r | |
1407 | {\r | |
1408 | SHELL_FILE_HANDLE FileHandle;\r | |
1409 | LIST_ENTRY *Link;\r | |
1410 | EFI_EDITOR_LINE *Line;\r | |
1411 | CHAR16 *Str;\r | |
1412 | \r | |
1413 | EFI_STATUS Status;\r | |
1414 | UINTN Length;\r | |
1415 | UINTN NumLines;\r | |
1416 | CHAR8 NewLineBuffer[4];\r | |
1417 | UINT8 NewLineSize;\r | |
1418 | \r | |
1419 | EFI_FILE_INFO *Info;\r | |
1420 | \r | |
1421 | UINT64 Attribute;\r | |
1422 | \r | |
1423 | EE_NEWLINE_TYPE Type;\r | |
1424 | \r | |
1425 | UINTN TotalSize;\r | |
1426 | //\r | |
1427 | // 2M\r | |
1428 | //\r | |
1429 | CHAR8 *Cache;\r | |
1430 | UINTN LeftSize;\r | |
1431 | UINTN Size;\r | |
1432 | CHAR8 *Ptr;\r | |
1433 | \r | |
1434 | Length = 0;\r | |
1435 | //\r | |
1436 | // 2M\r | |
1437 | //\r | |
1438 | TotalSize = 0x200000;\r | |
1439 | \r | |
1440 | Attribute = 0;\r | |
1441 | \r | |
1442 | \r | |
1443 | \r | |
1444 | //\r | |
1445 | // if is the old file\r | |
1446 | //\r | |
33c031ee | 1447 | if (FileBuffer.FileName != NULL && StrCmp (FileName, FileBuffer.FileName) == 0) {\r |
632820d1 | 1448 | //\r |
1449 | // file has not been modified\r | |
1450 | //\r | |
1451 | if (!FileBuffer.FileModified) {\r | |
1452 | return EFI_SUCCESS;\r | |
1453 | }\r | |
1454 | \r | |
1455 | //\r | |
1456 | // if file is read-only, set error\r | |
1457 | //\r | |
1458 | if (FileBuffer.ReadOnly) {\r | |
1459 | StatusBarSetStatusString (L"Read Only File Can Not Be Saved");\r | |
1460 | return EFI_SUCCESS;\r | |
1461 | }\r | |
1462 | }\r | |
1463 | \r | |
1464 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);\r | |
1465 | \r | |
1466 | if (!EFI_ERROR (Status)) {\r | |
1467 | Info = ShellGetFileInfo(FileHandle);\r | |
1468 | \r | |
1469 | if (Info != NULL && Info->Attribute & EFI_FILE_DIRECTORY) {\r | |
1470 | StatusBarSetStatusString (L"Directory Can Not Be Saved");\r | |
1471 | ShellCloseFile(FileHandle);\r | |
1472 | FreePool(Info);\r | |
1473 | return EFI_LOAD_ERROR;\r | |
1474 | }\r | |
1475 | \r | |
1476 | if (Info != NULL) {\r | |
1477 | Attribute = Info->Attribute & ~EFI_FILE_READ_ONLY;\r | |
1478 | FreePool(Info);\r | |
1479 | }\r | |
1480 | \r | |
1481 | //\r | |
1482 | // if file exits, so delete it\r | |
1483 | //\r | |
1484 | Status = ShellDeleteFile (&FileHandle);\r | |
1485 | if (EFI_ERROR (Status) || Status == EFI_WARN_DELETE_FAILURE) {\r | |
1486 | StatusBarSetStatusString (L"Write File Failed");\r | |
1487 | return EFI_LOAD_ERROR;\r | |
1488 | }\r | |
1489 | }\r | |
1490 | \r | |
1491 | Status = ShellOpenFileByName (FileName, &FileHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE|EFI_FILE_MODE_CREATE, Attribute);\r | |
1492 | \r | |
1493 | if (EFI_ERROR (Status)) {\r | |
1494 | StatusBarSetStatusString (L"Create File Failed");\r | |
1495 | return EFI_LOAD_ERROR;\r | |
1496 | }\r | |
1497 | \r | |
1498 | //\r | |
1499 | // if file is Unicode file, write Unicode header to it.\r | |
1500 | //\r | |
1501 | if (FileBuffer.FileType == FileTypeUnicode) {\r | |
1502 | Length = 2;\r | |
1503 | Status = ShellWriteFile (FileHandle, &Length, (VOID*)&gUnicodeFileTag);\r | |
1504 | if (EFI_ERROR (Status)) {\r | |
1505 | ShellDeleteFile (&FileHandle);\r | |
1506 | return EFI_LOAD_ERROR;\r | |
1507 | }\r | |
1508 | }\r | |
1509 | \r | |
1510 | Cache = AllocateZeroPool (TotalSize);\r | |
1511 | if (Cache == NULL) {\r | |
1512 | ShellDeleteFile (&FileHandle);\r | |
1513 | return EFI_OUT_OF_RESOURCES;\r | |
1514 | }\r | |
1515 | \r | |
1516 | //\r | |
1517 | // write all the lines back to disk\r | |
1518 | //\r | |
1519 | NumLines = 0;\r | |
1520 | Type = NewLineTypeCarriageReturnLineFeed;\r | |
1521 | \r | |
1522 | Ptr = Cache;\r | |
1523 | LeftSize = TotalSize;\r | |
1524 | \r | |
1525 | for (Link = FileBuffer.ListHead->ForwardLink; Link != FileBuffer.ListHead; Link = Link->ForwardLink) {\r | |
1526 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1527 | \r | |
1528 | if (Line->Type != NewLineTypeDefault) {\r | |
1529 | Type = Line->Type;\r | |
1530 | }\r | |
1531 | //\r | |
1532 | // newline character is at most 4 bytes ( two Unicode characters )\r | |
1533 | //\r | |
1534 | Length = 4;\r | |
1535 | if (Line->Buffer != NULL && Line->Size != 0) {\r | |
1536 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1537 | Length += Line->Size;\r | |
1538 | } else {\r | |
1539 | Length += (Line->Size * 2);\r | |
1540 | }\r | |
1541 | //\r | |
1542 | // end if FileTypeAscii\r | |
1543 | //\r | |
1544 | }\r | |
1545 | \r | |
1546 | //\r | |
1547 | // no cache room left, so write cache to disk\r | |
1548 | //\r | |
1549 | if (LeftSize < Length) {\r | |
1550 | Size = TotalSize - LeftSize;\r | |
1551 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
1552 | if (EFI_ERROR (Status)) {\r | |
1553 | ShellDeleteFile (&FileHandle); \r | |
1554 | FreePool (Cache);\r | |
1555 | return EFI_LOAD_ERROR;\r | |
1556 | }\r | |
1557 | Ptr = Cache;\r | |
1558 | LeftSize = TotalSize;\r | |
1559 | }\r | |
1560 | \r | |
1561 | if (Line->Buffer != NULL && Line->Size != 0) {\r | |
1562 | if (FileBuffer.FileType == FileTypeAscii) {\r | |
1563 | UnicodeToAscii (Line->Buffer, Line->Size, Ptr);\r | |
1564 | Length = Line->Size;\r | |
1565 | } else {\r | |
1566 | Length = (Line->Size * 2);\r | |
1567 | CopyMem (Ptr, (CHAR8 *) Line->Buffer, Length);\r | |
1568 | }\r | |
1569 | //\r | |
1570 | // end if FileTypeAscii\r | |
1571 | //\r | |
1572 | Ptr += Length;\r | |
1573 | LeftSize -= Length;\r | |
1574 | \r | |
1575 | }\r | |
1576 | //\r | |
1577 | // end of if Line -> Buffer != NULL && Line -> Size != 0\r | |
1578 | //\r | |
1579 | // if not the last line , write return buffer to disk\r | |
1580 | //\r | |
1581 | if (Link->ForwardLink != FileBuffer.ListHead) {\r | |
1582 | GetNewLine (Type, NewLineBuffer, &NewLineSize);\r | |
1583 | CopyMem (Ptr, (CHAR8 *) NewLineBuffer, NewLineSize);\r | |
1584 | \r | |
1585 | Ptr += NewLineSize;\r | |
1586 | LeftSize -= NewLineSize;\r | |
1587 | }\r | |
1588 | \r | |
1589 | NumLines++;\r | |
1590 | }\r | |
1591 | \r | |
1592 | if (TotalSize != LeftSize) {\r | |
1593 | Size = TotalSize - LeftSize;\r | |
1594 | Status = ShellWriteFile (FileHandle, &Size, Cache);\r | |
1595 | if (EFI_ERROR (Status)) {\r | |
1596 | ShellDeleteFile (&FileHandle);\r | |
1597 | FreePool (Cache);\r | |
1598 | return EFI_LOAD_ERROR;\r | |
1599 | }\r | |
1600 | }\r | |
1601 | \r | |
1602 | FreePool (Cache);\r | |
1603 | \r | |
1604 | ShellCloseFile(&FileHandle);\r | |
1605 | \r | |
1606 | FileBuffer.FileModified = FALSE;\r | |
1607 | \r | |
1608 | //\r | |
1609 | // set status string\r | |
1610 | //\r | |
1611 | Str = CatSPrint (NULL, L"%d Lines Wrote", NumLines);\r | |
1612 | if (Str == NULL) {\r | |
1613 | return EFI_OUT_OF_RESOURCES;\r | |
1614 | }\r | |
1615 | \r | |
1616 | StatusBarSetStatusString (Str);\r | |
1617 | SHELL_FREE_NON_NULL (Str);\r | |
1618 | \r | |
1619 | //\r | |
1620 | // now everything is ready , you can set the new file name to filebuffer\r | |
1621 | //\r | |
ae724571 | 1622 | if (FileName != NULL && FileBuffer.FileName != NULL && StrCmp (FileName, FileBuffer.FileName) != 0) {\r |
632820d1 | 1623 | //\r |
1624 | // not the same\r | |
1625 | //\r | |
1626 | FileBufferSetFileName (FileName);\r | |
1627 | if (FileBuffer.FileName == NULL) {\r | |
1628 | ShellDeleteFile (&FileHandle);\r | |
1629 | return EFI_OUT_OF_RESOURCES;\r | |
1630 | }\r | |
1631 | }\r | |
1632 | \r | |
1633 | FileBuffer.ReadOnly = FALSE;\r | |
1634 | return EFI_SUCCESS;\r | |
1635 | }\r | |
1636 | \r | |
1637 | /**\r | |
1638 | Scroll cursor to left 1 character position.\r | |
1639 | \r | |
1640 | @retval EFI_SUCCESS The operation was successful.\r | |
1641 | **/\r | |
1642 | EFI_STATUS\r | |
632820d1 | 1643 | FileBufferScrollLeft (\r |
1644 | VOID\r | |
1645 | )\r | |
1646 | {\r | |
1647 | EFI_EDITOR_LINE *Line;\r | |
1648 | UINTN FRow;\r | |
1649 | UINTN FCol;\r | |
1650 | \r | |
1651 | Line = FileBuffer.CurrentLine;\r | |
1652 | \r | |
1653 | FRow = FileBuffer.FilePosition.Row;\r | |
1654 | FCol = FileBuffer.FilePosition.Column;\r | |
1655 | \r | |
1656 | //\r | |
1657 | // if already at start of this line, so move to the end of previous line\r | |
1658 | //\r | |
1659 | if (FCol <= 1) {\r | |
1660 | //\r | |
1661 | // has previous line\r | |
1662 | //\r | |
1663 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
1664 | FRow--;\r | |
1665 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1666 | FCol = Line->Size + 1;\r | |
1667 | } else {\r | |
1668 | return EFI_SUCCESS;\r | |
1669 | }\r | |
1670 | } else {\r | |
1671 | //\r | |
1672 | // if not at start of this line, just move to previous column\r | |
1673 | //\r | |
1674 | FCol--;\r | |
1675 | }\r | |
1676 | \r | |
1677 | FileBufferMovePosition (FRow, FCol);\r | |
1678 | \r | |
1679 | return EFI_SUCCESS;\r | |
1680 | }\r | |
1681 | \r | |
1682 | /**\r | |
1683 | Delete a char in line\r | |
1684 | \r | |
4ff7e37b ED |
1685 | @param[in, out] Line The line to delete in.\r |
1686 | @param[in] Pos Position to delete the char at ( start from 0 ).\r | |
632820d1 | 1687 | **/\r |
1688 | VOID\r | |
632820d1 | 1689 | LineDeleteAt (\r |
1690 | IN OUT EFI_EDITOR_LINE *Line,\r | |
1691 | IN UINTN Pos\r | |
1692 | )\r | |
1693 | {\r | |
1694 | UINTN Index;\r | |
1695 | \r | |
1696 | //\r | |
1697 | // move the latter characters front\r | |
1698 | //\r | |
1699 | for (Index = Pos - 1; Index < Line->Size; Index++) {\r | |
1700 | Line->Buffer[Index] = Line->Buffer[Index + 1];\r | |
1701 | }\r | |
1702 | \r | |
1703 | Line->Size--;\r | |
1704 | }\r | |
1705 | \r | |
1706 | /**\r | |
1707 | Concatenate Src into Dest.\r | |
1708 | \r | |
4ff7e37b ED |
1709 | @param[in, out] Dest Destination string\r |
1710 | @param[in] Src Src String.\r | |
632820d1 | 1711 | **/\r |
1712 | VOID\r | |
632820d1 | 1713 | LineCat (\r |
1714 | IN OUT EFI_EDITOR_LINE *Dest,\r | |
1715 | IN EFI_EDITOR_LINE *Src\r | |
1716 | )\r | |
1717 | {\r | |
1718 | CHAR16 *Str;\r | |
1719 | UINTN Size;\r | |
1720 | \r | |
1721 | Size = Dest->Size;\r | |
1722 | \r | |
1723 | Dest->Buffer[Size] = 0;\r | |
1724 | \r | |
1725 | //\r | |
1726 | // concatenate the two strings\r | |
1727 | //\r | |
1728 | Str = CatSPrint (NULL, L"%s%s", Dest->Buffer, Src->Buffer);\r | |
1729 | if (Str == NULL) {\r | |
1730 | Dest->Buffer = NULL;\r | |
1731 | return ;\r | |
1732 | }\r | |
1733 | \r | |
1734 | Dest->Size = Size + Src->Size;\r | |
1735 | Dest->TotalSize = Dest->Size;\r | |
1736 | \r | |
1737 | FreePool (Dest->Buffer);\r | |
1738 | FreePool (Src->Buffer);\r | |
1739 | \r | |
1740 | //\r | |
1741 | // put str to dest->buffer\r | |
1742 | //\r | |
1743 | Dest->Buffer = Str;\r | |
1744 | }\r | |
1745 | \r | |
1746 | /**\r | |
1747 | Delete the previous character.\r | |
1748 | \r | |
1749 | @retval EFI_SUCCESS The delete was successful.\r | |
1750 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1751 | **/\r | |
1752 | EFI_STATUS\r | |
632820d1 | 1753 | FileBufferDoBackspace (\r |
1754 | VOID\r | |
1755 | )\r | |
1756 | {\r | |
1757 | EFI_EDITOR_LINE *Line;\r | |
1758 | EFI_EDITOR_LINE *End;\r | |
1759 | LIST_ENTRY *Link;\r | |
1760 | UINTN FileColumn;\r | |
1761 | \r | |
1762 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1763 | \r | |
1764 | Line = FileBuffer.CurrentLine;\r | |
1765 | \r | |
1766 | //\r | |
1767 | // the first column\r | |
1768 | //\r | |
1769 | if (FileColumn == 1) {\r | |
1770 | //\r | |
1771 | // the first row\r | |
1772 | //\r | |
1773 | if (FileBuffer.FilePosition.Row == 1) {\r | |
1774 | return EFI_SUCCESS;\r | |
1775 | }\r | |
1776 | \r | |
1777 | FileBufferScrollLeft ();\r | |
1778 | \r | |
1779 | Line = FileBuffer.CurrentLine;\r | |
1780 | Link = Line->Link.ForwardLink;\r | |
1781 | End = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1782 | \r | |
1783 | //\r | |
1784 | // concatenate this line with previous line\r | |
1785 | //\r | |
1786 | LineCat (Line, End);\r | |
1787 | if (Line->Buffer == NULL) {\r | |
1788 | return EFI_OUT_OF_RESOURCES;\r | |
1789 | }\r | |
1790 | //\r | |
1791 | // remove End from line list\r | |
1792 | //\r | |
1793 | RemoveEntryList (&End->Link);\r | |
1794 | FreePool (End);\r | |
1795 | \r | |
1796 | FileBuffer.NumLines--;\r | |
1797 | \r | |
1798 | FileBufferNeedRefresh = TRUE;\r | |
1799 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1800 | \r | |
1801 | } else {\r | |
1802 | //\r | |
1803 | // just delete the previous character\r | |
1804 | //\r | |
1805 | LineDeleteAt (Line, FileColumn - 1);\r | |
1806 | FileBufferScrollLeft ();\r | |
1807 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1808 | }\r | |
1809 | \r | |
1810 | if (!FileBuffer.FileModified) {\r | |
1811 | FileBuffer.FileModified = TRUE;\r | |
1812 | }\r | |
1813 | \r | |
1814 | return EFI_SUCCESS;\r | |
1815 | }\r | |
1816 | \r | |
1817 | /**\r | |
1818 | Add a return into line at current position.\r | |
1819 | \r | |
1820 | @retval EFI_SUCCESS The insetrion of the character was successful.\r | |
1821 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
1822 | **/\r | |
1823 | EFI_STATUS\r | |
632820d1 | 1824 | FileBufferDoReturn (\r |
1825 | VOID\r | |
1826 | )\r | |
1827 | {\r | |
1828 | EFI_EDITOR_LINE *Line;\r | |
1829 | EFI_EDITOR_LINE *NewLine;\r | |
1830 | UINTN FileColumn;\r | |
1831 | UINTN Index;\r | |
1832 | CHAR16 *Buffer;\r | |
1833 | UINTN Row;\r | |
1834 | UINTN Col;\r | |
1835 | \r | |
1836 | FileBufferNeedRefresh = TRUE;\r | |
1837 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1838 | \r | |
1839 | Line = FileBuffer.CurrentLine;\r | |
1840 | \r | |
1841 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1842 | \r | |
1843 | NewLine = AllocateZeroPool (sizeof (EFI_EDITOR_LINE));\r | |
1844 | if (NewLine == NULL) {\r | |
1845 | return EFI_OUT_OF_RESOURCES;\r | |
1846 | }\r | |
1847 | \r | |
1848 | NewLine->Signature = LINE_LIST_SIGNATURE;\r | |
1849 | NewLine->Size = Line->Size - FileColumn + 1;\r | |
1850 | NewLine->TotalSize = NewLine->Size;\r | |
1851 | NewLine->Buffer = CatSPrint (NULL, L"\0");\r | |
1852 | if (NewLine->Buffer == NULL) {\r | |
1853 | return EFI_OUT_OF_RESOURCES;\r | |
1854 | }\r | |
1855 | \r | |
1856 | NewLine->Type = NewLineTypeDefault;\r | |
1857 | \r | |
1858 | if (NewLine->Size > 0) {\r | |
1859 | //\r | |
1860 | // UNICODE + CHAR_NULL\r | |
1861 | //\r | |
1862 | Buffer = AllocateZeroPool (2 * (NewLine->Size + 1));\r | |
1863 | if (Buffer == NULL) {\r | |
1864 | FreePool (NewLine->Buffer);\r | |
1865 | FreePool (NewLine);\r | |
1866 | return EFI_OUT_OF_RESOURCES;\r | |
1867 | }\r | |
1868 | \r | |
1869 | FreePool (NewLine->Buffer);\r | |
1870 | \r | |
1871 | NewLine->Buffer = Buffer;\r | |
1872 | \r | |
1873 | for (Index = 0; Index < NewLine->Size; Index++) {\r | |
1874 | NewLine->Buffer[Index] = Line->Buffer[Index + FileColumn - 1];\r | |
1875 | }\r | |
1876 | \r | |
1877 | NewLine->Buffer[NewLine->Size] = CHAR_NULL;\r | |
1878 | \r | |
1879 | Line->Buffer[FileColumn - 1] = CHAR_NULL;\r | |
1880 | Line->Size = FileColumn - 1;\r | |
1881 | }\r | |
1882 | //\r | |
1883 | // increase NumLines\r | |
1884 | //\r | |
1885 | FileBuffer.NumLines++;\r | |
1886 | \r | |
1887 | //\r | |
1888 | // insert it into the correct position of line list\r | |
1889 | //\r | |
1890 | NewLine->Link.BackLink = &(Line->Link);\r | |
1891 | NewLine->Link.ForwardLink = Line->Link.ForwardLink;\r | |
1892 | Line->Link.ForwardLink->BackLink = &(NewLine->Link);\r | |
1893 | Line->Link.ForwardLink = &(NewLine->Link);\r | |
1894 | \r | |
1895 | //\r | |
1896 | // move cursor to the start of next line\r | |
1897 | //\r | |
1898 | Row = FileBuffer.FilePosition.Row + 1;\r | |
1899 | Col = 1;\r | |
1900 | \r | |
1901 | FileBufferMovePosition (Row, Col);\r | |
1902 | \r | |
1903 | //\r | |
1904 | // set file is modified\r | |
1905 | //\r | |
1906 | if (!FileBuffer.FileModified) {\r | |
1907 | FileBuffer.FileModified = TRUE;\r | |
1908 | }\r | |
1909 | \r | |
1910 | return EFI_SUCCESS;\r | |
1911 | }\r | |
1912 | \r | |
1913 | /**\r | |
1914 | Delete current character from current line. This is the effect caused \r | |
1915 | by the 'del' key.\r | |
1916 | \r | |
1917 | @retval EFI_SUCCESS\r | |
1918 | **/\r | |
1919 | EFI_STATUS\r | |
632820d1 | 1920 | FileBufferDoDelete (\r |
1921 | VOID\r | |
1922 | )\r | |
1923 | {\r | |
1924 | EFI_EDITOR_LINE *Line;\r | |
1925 | EFI_EDITOR_LINE *Next;\r | |
1926 | LIST_ENTRY *Link;\r | |
1927 | UINTN FileColumn;\r | |
1928 | \r | |
1929 | Line = FileBuffer.CurrentLine;\r | |
1930 | FileColumn = FileBuffer.FilePosition.Column;\r | |
1931 | \r | |
1932 | //\r | |
1933 | // the last column\r | |
1934 | //\r | |
1935 | if (FileColumn >= Line->Size + 1) {\r | |
1936 | //\r | |
1937 | // the last line\r | |
1938 | //\r | |
1939 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
1940 | return EFI_SUCCESS;\r | |
1941 | }\r | |
1942 | //\r | |
1943 | // since last character,\r | |
1944 | // so will add the next line to this line\r | |
1945 | //\r | |
1946 | Link = Line->Link.ForwardLink;\r | |
1947 | Next = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
1948 | LineCat (Line, Next);\r | |
1949 | if (Line->Buffer == NULL) {\r | |
1950 | return EFI_OUT_OF_RESOURCES;\r | |
1951 | }\r | |
1952 | \r | |
1953 | RemoveEntryList (&Next->Link);\r | |
1954 | FreePool (Next);\r | |
1955 | \r | |
1956 | FileBuffer.NumLines--;\r | |
1957 | \r | |
1958 | FileBufferNeedRefresh = TRUE;\r | |
1959 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
1960 | \r | |
1961 | } else {\r | |
1962 | //\r | |
1963 | // just delete current character\r | |
1964 | //\r | |
1965 | LineDeleteAt (Line, FileColumn);\r | |
1966 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
1967 | }\r | |
1968 | \r | |
1969 | if (!FileBuffer.FileModified) {\r | |
1970 | FileBuffer.FileModified = TRUE;\r | |
1971 | }\r | |
1972 | \r | |
1973 | return EFI_SUCCESS;\r | |
1974 | }\r | |
1975 | \r | |
1976 | /**\r | |
1977 | Scroll cursor to right 1 character.\r | |
1978 | \r | |
1979 | @retval EFI_SUCCESS The operation was successful.\r | |
1980 | **/\r | |
1981 | EFI_STATUS\r | |
632820d1 | 1982 | FileBufferScrollRight (\r |
1983 | VOID\r | |
1984 | )\r | |
1985 | {\r | |
1986 | EFI_EDITOR_LINE *Line;\r | |
1987 | UINTN FRow;\r | |
1988 | UINTN FCol;\r | |
1989 | \r | |
1990 | Line = FileBuffer.CurrentLine;\r | |
1991 | if (Line->Buffer == NULL) {\r | |
1992 | return EFI_SUCCESS;\r | |
1993 | }\r | |
1994 | \r | |
1995 | FRow = FileBuffer.FilePosition.Row;\r | |
1996 | FCol = FileBuffer.FilePosition.Column;\r | |
1997 | \r | |
1998 | //\r | |
1999 | // if already at end of this line, scroll it to the start of next line\r | |
2000 | //\r | |
2001 | if (FCol > Line->Size) {\r | |
2002 | //\r | |
2003 | // has next line\r | |
2004 | //\r | |
2005 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2006 | FRow++;\r | |
2007 | FCol = 1;\r | |
2008 | } else {\r | |
2009 | return EFI_SUCCESS;\r | |
2010 | }\r | |
2011 | } else {\r | |
2012 | //\r | |
2013 | // if not at end of this line, just move to next column\r | |
2014 | //\r | |
2015 | FCol++;\r | |
2016 | }\r | |
2017 | \r | |
2018 | FileBufferMovePosition (FRow, FCol);\r | |
2019 | \r | |
2020 | return EFI_SUCCESS;\r | |
2021 | }\r | |
2022 | \r | |
2023 | /**\r | |
2024 | Insert a char into line\r | |
2025 | \r | |
2026 | \r | |
2027 | @param[in] Line The line to insert into.\r | |
2028 | @param[in] Char The char to insert.\r | |
2029 | @param[in] Pos The position to insert the char at ( start from 0 ).\r | |
2030 | @param[in] StrSize The current string size ( include CHAR_NULL ),unit is Unicode character.\r | |
2031 | \r | |
2032 | @return The new string size ( include CHAR_NULL ) ( unit is Unicode character ).\r | |
2033 | **/\r | |
2034 | UINTN\r | |
632820d1 | 2035 | LineStrInsert (\r |
2036 | IN EFI_EDITOR_LINE *Line,\r | |
2037 | IN CHAR16 Char,\r | |
2038 | IN UINTN Pos,\r | |
2039 | IN UINTN StrSize\r | |
2040 | )\r | |
2041 | {\r | |
2042 | UINTN Index;\r | |
2043 | CHAR16 *TempStringPtr;\r | |
2044 | CHAR16 *Str;\r | |
2045 | \r | |
2046 | Index = (StrSize) * 2;\r | |
2047 | \r | |
2048 | Str = Line->Buffer;\r | |
2049 | \r | |
2050 | //\r | |
2051 | // do not have free space\r | |
2052 | //\r | |
2053 | if (Line->TotalSize <= Line->Size) {\r | |
2054 | Str = ReallocatePool (Index, Index + 16, Str);\r | |
2055 | if (Str == NULL) {\r | |
2056 | return 0;\r | |
2057 | }\r | |
2058 | \r | |
2059 | Line->TotalSize += 8;\r | |
2060 | }\r | |
2061 | //\r | |
2062 | // move the later part of the string one character right\r | |
2063 | //\r | |
2064 | TempStringPtr = Str;\r | |
2065 | for (Index = StrSize; Index > Pos; Index--) {\r | |
2066 | TempStringPtr[Index] = TempStringPtr[Index - 1];\r | |
2067 | }\r | |
2068 | //\r | |
2069 | // insert char into it.\r | |
2070 | //\r | |
2071 | TempStringPtr[Index] = Char;\r | |
2072 | \r | |
2073 | Line->Buffer = Str;\r | |
2074 | Line->Size++;\r | |
2075 | \r | |
2076 | return StrSize + 1;\r | |
2077 | }\r | |
2078 | \r | |
2079 | /**\r | |
2080 | Add a character to the current line.\r | |
2081 | \r | |
2082 | @param[in] Char The Character to input.\r | |
2083 | \r | |
2084 | @retval EFI_SUCCESS The input was succesful.\r | |
2085 | **/\r | |
2086 | EFI_STATUS\r | |
632820d1 | 2087 | FileBufferAddChar (\r |
2088 | IN CHAR16 Char\r | |
2089 | )\r | |
2090 | {\r | |
2091 | EFI_EDITOR_LINE *Line;\r | |
2092 | UINTN FilePos;\r | |
2093 | \r | |
2094 | Line = FileBuffer.CurrentLine;\r | |
2095 | \r | |
2096 | //\r | |
2097 | // only needs to refresh current line\r | |
2098 | //\r | |
2099 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
2100 | \r | |
2101 | //\r | |
2102 | // when is insert mode, or cursor is at end of this line,\r | |
2103 | // so insert this character\r | |
2104 | // or replace the character.\r | |
2105 | //\r | |
2106 | FilePos = FileBuffer.FilePosition.Column - 1;\r | |
2107 | if (FileBuffer.ModeInsert || FilePos + 1 > Line->Size) {\r | |
2108 | LineStrInsert (Line, Char, FilePos, Line->Size + 1);\r | |
2109 | } else {\r | |
2110 | Line->Buffer[FilePos] = Char;\r | |
2111 | }\r | |
2112 | //\r | |
2113 | // move cursor to right\r | |
2114 | //\r | |
2115 | FileBufferScrollRight ();\r | |
2116 | \r | |
2117 | if (!FileBuffer.FileModified) {\r | |
2118 | FileBuffer.FileModified = TRUE;\r | |
2119 | }\r | |
2120 | \r | |
2121 | return EFI_SUCCESS;\r | |
2122 | }\r | |
2123 | \r | |
2124 | /**\r | |
2125 | Handles inputs from characters (ASCII key + Backspace + return)\r | |
2126 | \r | |
2127 | @param[in] Char The input character.\r | |
2128 | \r | |
2129 | @retval EFI_SUCCESS The operation was successful.\r | |
2130 | @retval EFI_LOAD_ERROR There was an error.\r | |
2131 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2132 | **/\r | |
2133 | EFI_STATUS\r | |
632820d1 | 2134 | FileBufferDoCharInput (\r |
2135 | IN CONST CHAR16 Char\r | |
2136 | )\r | |
2137 | {\r | |
2138 | EFI_STATUS Status;\r | |
2139 | \r | |
2140 | Status = EFI_SUCCESS;\r | |
2141 | \r | |
2142 | switch (Char) {\r | |
2143 | case CHAR_NULL:\r | |
2144 | break;\r | |
2145 | \r | |
2146 | case CHAR_BACKSPACE:\r | |
2147 | Status = FileBufferDoBackspace ();\r | |
2148 | break;\r | |
2149 | \r | |
2150 | case CHAR_TAB:\r | |
2151 | //\r | |
2152 | // Tabs are ignored\r | |
2153 | //\r | |
2154 | break;\r | |
2155 | \r | |
2156 | case CHAR_LINEFEED:\r | |
2157 | case CHAR_CARRIAGE_RETURN:\r | |
2158 | Status = FileBufferDoReturn ();\r | |
2159 | break;\r | |
2160 | \r | |
2161 | default:\r | |
2162 | //\r | |
2163 | // DEAL WITH ASCII CHAR, filter out thing like ctrl+f\r | |
2164 | //\r | |
2165 | if (Char > 127 || Char < 32) {\r | |
2166 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2167 | } else {\r | |
2168 | Status = FileBufferAddChar (Char);\r | |
2169 | }\r | |
2170 | \r | |
2171 | break;\r | |
2172 | \r | |
2173 | }\r | |
2174 | \r | |
2175 | return Status;\r | |
2176 | }\r | |
2177 | \r | |
2178 | /**\r | |
2179 | Scroll cursor to the next line.\r | |
2180 | \r | |
2181 | @retval EFI_SUCCESS The operation was successful.\r | |
2182 | **/\r | |
2183 | EFI_STATUS\r | |
632820d1 | 2184 | FileBufferScrollDown (\r |
2185 | VOID\r | |
2186 | )\r | |
2187 | {\r | |
2188 | EFI_EDITOR_LINE *Line;\r | |
2189 | UINTN FRow;\r | |
2190 | UINTN FCol;\r | |
2191 | \r | |
2192 | Line = FileBuffer.CurrentLine;\r | |
2193 | if (Line->Buffer == NULL) {\r | |
2194 | return EFI_SUCCESS;\r | |
2195 | }\r | |
2196 | \r | |
2197 | FRow = FileBuffer.FilePosition.Row;\r | |
2198 | FCol = FileBuffer.FilePosition.Column;\r | |
2199 | \r | |
2200 | //\r | |
2201 | // has next line\r | |
2202 | //\r | |
2203 | if (Line->Link.ForwardLink != FileBuffer.ListHead) {\r | |
2204 | FRow++;\r | |
2205 | Line = CR (Line->Link.ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2206 | \r | |
2207 | //\r | |
2208 | // if the next line is not that long, so move to end of next line\r | |
2209 | //\r | |
2210 | if (FCol > Line->Size) {\r | |
2211 | FCol = Line->Size + 1;\r | |
2212 | }\r | |
2213 | \r | |
2214 | } else {\r | |
2215 | return EFI_SUCCESS;\r | |
2216 | }\r | |
2217 | \r | |
2218 | FileBufferMovePosition (FRow, FCol);\r | |
2219 | \r | |
2220 | return EFI_SUCCESS;\r | |
2221 | }\r | |
2222 | \r | |
2223 | /**\r | |
2224 | Scroll the cursor to previous line.\r | |
2225 | \r | |
2226 | @retval EFI_SUCCESS The operation was successful.\r | |
2227 | **/\r | |
2228 | EFI_STATUS\r | |
632820d1 | 2229 | FileBufferScrollUp (\r |
2230 | VOID\r | |
2231 | )\r | |
2232 | {\r | |
2233 | EFI_EDITOR_LINE *Line;\r | |
2234 | UINTN FRow;\r | |
2235 | UINTN FCol;\r | |
2236 | \r | |
2237 | Line = FileBuffer.CurrentLine;\r | |
2238 | \r | |
2239 | FRow = FileBuffer.FilePosition.Row;\r | |
2240 | FCol = FileBuffer.FilePosition.Column;\r | |
2241 | \r | |
2242 | //\r | |
2243 | // has previous line\r | |
2244 | //\r | |
2245 | if (Line->Link.BackLink != FileBuffer.ListHead) {\r | |
2246 | FRow--;\r | |
2247 | Line = CR (Line->Link.BackLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2248 | \r | |
2249 | //\r | |
2250 | // if previous line is not that long, so move to the end of previous line\r | |
2251 | //\r | |
2252 | if (FCol > Line->Size) {\r | |
2253 | FCol = Line->Size + 1;\r | |
2254 | }\r | |
2255 | \r | |
2256 | } else {\r | |
2257 | return EFI_SUCCESS;\r | |
2258 | }\r | |
2259 | \r | |
2260 | FileBufferMovePosition (FRow, FCol);\r | |
2261 | \r | |
2262 | return EFI_SUCCESS;\r | |
2263 | }\r | |
2264 | \r | |
2265 | /**\r | |
2266 | Scroll cursor to next page.\r | |
2267 | \r | |
2268 | @retval EFI_SUCCESS The operation wa successful.\r | |
2269 | **/\r | |
2270 | EFI_STATUS\r | |
632820d1 | 2271 | FileBufferPageDown (\r |
2272 | VOID\r | |
2273 | )\r | |
2274 | {\r | |
2275 | EFI_EDITOR_LINE *Line;\r | |
2276 | UINTN FRow;\r | |
2277 | UINTN FCol;\r | |
2278 | UINTN Gap;\r | |
2279 | \r | |
2280 | Line = FileBuffer.CurrentLine;\r | |
2281 | \r | |
2282 | FRow = FileBuffer.FilePosition.Row;\r | |
2283 | FCol = FileBuffer.FilePosition.Column;\r | |
2284 | \r | |
2285 | //\r | |
2286 | // has next page\r | |
2287 | //\r | |
5a2beb74 | 2288 | if (FileBuffer.NumLines >= FRow + (MainEditor.ScreenSize.Row - 2)) {\r |
2289 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2290 | } else {\r |
2291 | //\r | |
2292 | // MOVE CURSOR TO LAST LINE\r | |
2293 | //\r | |
2294 | Gap = FileBuffer.NumLines - FRow;\r | |
2295 | }\r | |
2296 | //\r | |
2297 | // get correct line\r | |
2298 | //\r | |
2299 | Line = MoveLine (Gap);\r | |
2300 | \r | |
2301 | //\r | |
2302 | // if that line, is not that long, so move to the end of that line\r | |
2303 | //\r | |
33c031ee | 2304 | if (Line != NULL && FCol > Line->Size) {\r |
632820d1 | 2305 | FCol = Line->Size + 1;\r |
2306 | }\r | |
2307 | \r | |
2308 | FRow += Gap;\r | |
2309 | \r | |
2310 | FileBufferMovePosition (FRow, FCol);\r | |
2311 | \r | |
2312 | return EFI_SUCCESS;\r | |
2313 | }\r | |
2314 | \r | |
2315 | /**\r | |
2316 | Scroll cursor to previous screen.\r | |
2317 | \r | |
2318 | @retval EFI_SUCCESS The operation was successful.\r | |
2319 | **/\r | |
2320 | EFI_STATUS\r | |
632820d1 | 2321 | FileBufferPageUp (\r |
2322 | VOID\r | |
2323 | )\r | |
2324 | {\r | |
2325 | EFI_EDITOR_LINE *Line;\r | |
2326 | UINTN FRow;\r | |
2327 | UINTN FCol;\r | |
2328 | UINTN Gap;\r | |
2329 | INTN Retreat;\r | |
2330 | \r | |
2331 | Line = FileBuffer.CurrentLine;\r | |
2332 | \r | |
2333 | FRow = FileBuffer.FilePosition.Row;\r | |
2334 | FCol = FileBuffer.FilePosition.Column;\r | |
2335 | \r | |
2336 | //\r | |
2337 | // has previous page\r | |
2338 | //\r | |
5a2beb74 | 2339 | if (FRow > (MainEditor.ScreenSize.Row - 2)) {\r |
2340 | Gap = (MainEditor.ScreenSize.Row - 2);\r | |
632820d1 | 2341 | } else {\r |
2342 | //\r | |
2343 | // the first line of file will displayed on the first line of screen\r | |
2344 | //\r | |
2345 | Gap = FRow - 1;\r | |
2346 | }\r | |
2347 | \r | |
2348 | Retreat = Gap;\r | |
2349 | Retreat = -Retreat;\r | |
2350 | \r | |
2351 | //\r | |
2352 | // get correct line\r | |
2353 | //\r | |
2354 | Line = MoveLine (Retreat);\r | |
2355 | \r | |
2356 | //\r | |
2357 | // if that line is not that long, so move to the end of that line\r | |
2358 | //\r | |
33c031ee | 2359 | if (Line != NULL && FCol > Line->Size) {\r |
632820d1 | 2360 | FCol = Line->Size + 1;\r |
2361 | }\r | |
2362 | \r | |
2363 | FRow -= Gap;\r | |
2364 | \r | |
2365 | FileBufferMovePosition (FRow, FCol);\r | |
2366 | \r | |
2367 | return EFI_SUCCESS;\r | |
2368 | }\r | |
2369 | \r | |
2370 | /**\r | |
2371 | Scroll cursor to end of the current line.\r | |
2372 | \r | |
2373 | @retval EFI_SUCCESS The operation was successful.\r | |
2374 | **/\r | |
2375 | EFI_STATUS\r | |
632820d1 | 2376 | FileBufferEnd (\r |
2377 | VOID\r | |
2378 | )\r | |
2379 | {\r | |
2380 | EFI_EDITOR_LINE *Line;\r | |
2381 | UINTN FRow;\r | |
2382 | UINTN FCol;\r | |
2383 | \r | |
2384 | Line = FileBuffer.CurrentLine;\r | |
2385 | \r | |
2386 | FRow = FileBuffer.FilePosition.Row;\r | |
2387 | \r | |
2388 | //\r | |
2389 | // goto the last column of the line\r | |
2390 | //\r | |
2391 | FCol = Line->Size + 1;\r | |
2392 | \r | |
2393 | FileBufferMovePosition (FRow, FCol);\r | |
2394 | \r | |
2395 | return EFI_SUCCESS;\r | |
2396 | }\r | |
2397 | \r | |
2398 | /** \r | |
2399 | Dispatch input to different handler\r | |
2400 | @param[in] Key The input key. One of:\r | |
2401 | ASCII KEY\r | |
2402 | Backspace/Delete\r | |
2403 | Return\r | |
2404 | Direction key: up/down/left/right/pgup/pgdn\r | |
2405 | Home/End\r | |
2406 | INS\r | |
2407 | \r | |
2408 | @retval EFI_SUCCESS The dispatch was done successfully.\r | |
2409 | @retval EFI_LOAD_ERROR The dispatch was not successful.\r | |
2410 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2411 | **/\r | |
2412 | EFI_STATUS\r | |
632820d1 | 2413 | FileBufferHandleInput (\r |
2414 | IN CONST EFI_INPUT_KEY *Key\r | |
2415 | )\r | |
2416 | {\r | |
2417 | EFI_STATUS Status;\r | |
2418 | \r | |
2419 | Status = EFI_SUCCESS;\r | |
2420 | \r | |
2421 | switch (Key->ScanCode) {\r | |
2422 | //\r | |
2423 | // ordinary key input\r | |
2424 | //\r | |
2425 | case SCAN_NULL:\r | |
2426 | if (!FileBuffer.ReadOnly) {\r | |
2427 | Status = FileBufferDoCharInput (Key->UnicodeChar);\r | |
2428 | } else {\r | |
2429 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2430 | }\r | |
2431 | \r | |
2432 | break;\r | |
2433 | \r | |
2434 | //\r | |
2435 | // up arrow\r | |
2436 | //\r | |
2437 | case SCAN_UP:\r | |
2438 | Status = FileBufferScrollUp ();\r | |
2439 | break;\r | |
2440 | \r | |
2441 | //\r | |
2442 | // down arrow\r | |
2443 | //\r | |
2444 | case SCAN_DOWN:\r | |
2445 | Status = FileBufferScrollDown ();\r | |
2446 | break;\r | |
2447 | \r | |
2448 | //\r | |
2449 | // right arrow\r | |
2450 | //\r | |
2451 | case SCAN_RIGHT:\r | |
2452 | Status = FileBufferScrollRight ();\r | |
2453 | break;\r | |
2454 | \r | |
2455 | //\r | |
2456 | // left arrow\r | |
2457 | //\r | |
2458 | case SCAN_LEFT:\r | |
2459 | Status = FileBufferScrollLeft ();\r | |
2460 | break;\r | |
2461 | \r | |
2462 | //\r | |
2463 | // page up\r | |
2464 | //\r | |
2465 | case SCAN_PAGE_UP:\r | |
2466 | Status = FileBufferPageUp ();\r | |
2467 | break;\r | |
2468 | \r | |
2469 | //\r | |
2470 | // page down\r | |
2471 | //\r | |
2472 | case SCAN_PAGE_DOWN:\r | |
2473 | Status = FileBufferPageDown ();\r | |
2474 | break;\r | |
2475 | \r | |
2476 | //\r | |
2477 | // delete\r | |
2478 | //\r | |
2479 | case SCAN_DELETE:\r | |
2480 | if (!FileBuffer.ReadOnly) {\r | |
2481 | Status = FileBufferDoDelete ();\r | |
2482 | } else {\r | |
2483 | Status = StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2484 | }\r | |
2485 | \r | |
2486 | break;\r | |
2487 | \r | |
2488 | //\r | |
2489 | // home\r | |
2490 | //\r | |
2491 | case SCAN_HOME:\r | |
2492 | FileBufferMovePosition (FileBuffer.FilePosition.Row, 1);\r | |
2493 | Status = EFI_SUCCESS;\r | |
2494 | break;\r | |
2495 | \r | |
2496 | //\r | |
2497 | // end\r | |
2498 | //\r | |
2499 | case SCAN_END:\r | |
2500 | Status = FileBufferEnd ();\r | |
2501 | break;\r | |
2502 | \r | |
2503 | //\r | |
2504 | // insert\r | |
2505 | //\r | |
2506 | case SCAN_INSERT:\r | |
2507 | FileBuffer.ModeInsert = (BOOLEAN)!FileBuffer.ModeInsert;\r | |
2508 | Status = EFI_SUCCESS;\r | |
2509 | break;\r | |
2510 | \r | |
2511 | default:\r | |
2512 | Status = StatusBarSetStatusString (L"Unknown Command");\r | |
2513 | break;\r | |
2514 | }\r | |
2515 | \r | |
2516 | return Status;\r | |
2517 | }\r | |
2518 | \r | |
2519 | /**\r | |
2520 | Check user specified FileRow is above current screen.\r | |
2521 | \r | |
2522 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2523 | \r | |
2524 | @retval TRUE It is above the current screen.\r | |
2525 | @retval FALSE It is not above the current screen.\r | |
2526 | **/\r | |
2527 | BOOLEAN\r | |
632820d1 | 2528 | AboveCurrentScreen (\r |
2529 | IN UINTN FileRow\r | |
2530 | )\r | |
2531 | {\r | |
2532 | //\r | |
2533 | // if is to the above of the screen\r | |
2534 | //\r | |
2535 | if (FileRow < FileBuffer.LowVisibleRange.Row) {\r | |
2536 | return TRUE;\r | |
2537 | }\r | |
2538 | \r | |
2539 | return FALSE;\r | |
2540 | }\r | |
2541 | \r | |
2542 | /**\r | |
2543 | Check user specified FileRow is under current screen.\r | |
2544 | \r | |
2545 | @param[in] FileRow The row of file position ( start from 1 ).\r | |
2546 | \r | |
2547 | @retval TRUE It is under the current screen.\r | |
2548 | @retval FALSE It is not under the current screen.\r | |
2549 | **/\r | |
2550 | BOOLEAN\r | |
632820d1 | 2551 | UnderCurrentScreen (\r |
2552 | IN UINTN FileRow\r | |
2553 | )\r | |
2554 | {\r | |
2555 | //\r | |
2556 | // if is to the under of the screen\r | |
2557 | //\r | |
5a2beb74 | 2558 | if (FileRow > FileBuffer.LowVisibleRange.Row + (MainEditor.ScreenSize.Row - 2) - 1) {\r |
632820d1 | 2559 | return TRUE;\r |
2560 | }\r | |
2561 | \r | |
2562 | return FALSE;\r | |
2563 | }\r | |
2564 | \r | |
2565 | /**\r | |
2566 | Check user specified FileCol is left to current screen.\r | |
2567 | \r | |
2568 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2569 | \r | |
2570 | @retval TRUE It is to the left.\r | |
2571 | @retval FALSE It is not to the left.\r | |
2572 | **/\r | |
2573 | BOOLEAN\r | |
632820d1 | 2574 | LeftCurrentScreen (\r |
2575 | IN UINTN FileCol\r | |
2576 | )\r | |
2577 | {\r | |
2578 | //\r | |
2579 | // if is to the left of the screen\r | |
2580 | //\r | |
2581 | if (FileCol < FileBuffer.LowVisibleRange.Column) {\r | |
2582 | return TRUE;\r | |
2583 | }\r | |
2584 | \r | |
2585 | return FALSE;\r | |
2586 | }\r | |
2587 | \r | |
2588 | /**\r | |
2589 | Check user specified FileCol is right to current screen.\r | |
2590 | \r | |
2591 | @param[in] FileCol The column of file position ( start from 1 ).\r | |
2592 | \r | |
2593 | @retval TRUE It is to the right.\r | |
2594 | @retval FALSE It is not to the right.\r | |
2595 | **/\r | |
2596 | BOOLEAN\r | |
632820d1 | 2597 | RightCurrentScreen (\r |
2598 | IN UINTN FileCol\r | |
2599 | )\r | |
2600 | {\r | |
2601 | //\r | |
2602 | // if is to the right of the screen\r | |
2603 | //\r | |
2604 | if (FileCol > FileBuffer.LowVisibleRange.Column + MainEditor.ScreenSize.Column - 1) {\r | |
2605 | return TRUE;\r | |
2606 | }\r | |
2607 | \r | |
2608 | return FALSE;\r | |
2609 | }\r | |
2610 | \r | |
2611 | /**\r | |
2612 | Advance/Retreat lines and set CurrentLine in FileBuffer to it\r | |
2613 | \r | |
2614 | @param[in] Count The line number to advance/retreat\r | |
2615 | >0 : advance\r | |
2616 | <0: retreat\r | |
2617 | \r | |
2618 | @retval NULL An error occured.\r | |
2619 | @return The line after advance/retreat.\r | |
2620 | **/\r | |
2621 | EFI_EDITOR_LINE *\r | |
632820d1 | 2622 | MoveCurrentLine (\r |
2623 | IN INTN Count\r | |
2624 | )\r | |
2625 | {\r | |
2626 | EFI_EDITOR_LINE *Line;\r | |
2627 | UINTN AbsCount;\r | |
2628 | \r | |
2629 | if (Count <= 0) {\r | |
33c031ee | 2630 | AbsCount = (UINTN)ABS(Count);\r |
632820d1 | 2631 | Line = InternalEditorMiscLineRetreat (AbsCount,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
2632 | } else {\r | |
33c031ee | 2633 | Line = InternalEditorMiscLineAdvance ((UINTN)Count,MainEditor.FileBuffer->CurrentLine,MainEditor.FileBuffer->ListHead);\r |
632820d1 | 2634 | }\r |
2635 | \r | |
2636 | if (Line == NULL) {\r | |
2637 | return NULL;\r | |
2638 | }\r | |
2639 | \r | |
2640 | MainEditor.FileBuffer->CurrentLine = Line;\r | |
2641 | \r | |
2642 | return Line;\r | |
2643 | }\r | |
2644 | \r | |
2645 | /**\r | |
2646 | According to cursor's file position, adjust screen display\r | |
2647 | \r | |
2648 | @param[in] NewFilePosRow The row of file position ( start from 1 ).\r | |
2649 | @param[in] NewFilePosCol The column of file position ( start from 1 ).\r | |
2650 | **/\r | |
2651 | VOID\r | |
632820d1 | 2652 | FileBufferMovePosition (\r |
2653 | IN CONST UINTN NewFilePosRow,\r | |
2654 | IN CONST UINTN NewFilePosCol\r | |
2655 | )\r | |
2656 | {\r | |
2657 | INTN RowGap;\r | |
2658 | INTN ColGap;\r | |
2659 | UINTN Abs;\r | |
2660 | BOOLEAN Above;\r | |
2661 | BOOLEAN Under;\r | |
2662 | BOOLEAN Right;\r | |
2663 | BOOLEAN Left;\r | |
2664 | \r | |
2665 | //\r | |
2666 | // CALCULATE gap between current file position and new file position\r | |
2667 | //\r | |
2668 | RowGap = NewFilePosRow - FileBuffer.FilePosition.Row;\r | |
2669 | ColGap = NewFilePosCol - FileBuffer.FilePosition.Column;\r | |
2670 | \r | |
2671 | Under = UnderCurrentScreen (NewFilePosRow);\r | |
2672 | Above = AboveCurrentScreen (NewFilePosRow);\r | |
2673 | //\r | |
2674 | // if is below current screen\r | |
2675 | //\r | |
2676 | if (Under) {\r | |
2677 | //\r | |
2678 | // display row will be unchanged\r | |
2679 | //\r | |
2680 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2681 | } else {\r | |
2682 | if (Above) {\r | |
2683 | //\r | |
2684 | // has enough above line, so display row unchanged\r | |
2685 | // not has enough above lines, so the first line is at the\r | |
2686 | // first display line\r | |
2687 | //\r | |
2688 | if (NewFilePosRow < (FileBuffer.DisplayPosition.Row - 1)) {\r | |
2689 | FileBuffer.DisplayPosition.Row = NewFilePosRow + 1;\r | |
2690 | }\r | |
2691 | \r | |
2692 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2693 | } else {\r | |
2694 | //\r | |
2695 | // in current screen\r | |
2696 | //\r | |
2697 | FileBuffer.FilePosition.Row = NewFilePosRow;\r | |
2698 | if (RowGap < 0) {\r | |
33c031ee | 2699 | Abs = (UINTN)ABS(RowGap);\r |
632820d1 | 2700 | FileBuffer.DisplayPosition.Row -= Abs;\r |
2701 | } else {\r | |
2702 | FileBuffer.DisplayPosition.Row += RowGap;\r | |
2703 | }\r | |
2704 | }\r | |
2705 | }\r | |
2706 | \r | |
2707 | FileBuffer.LowVisibleRange.Row = FileBuffer.FilePosition.Row - (FileBuffer.DisplayPosition.Row - 2);\r | |
2708 | \r | |
2709 | Right = RightCurrentScreen (NewFilePosCol);\r | |
2710 | Left = LeftCurrentScreen (NewFilePosCol);\r | |
2711 | \r | |
2712 | //\r | |
2713 | // if right to current screen\r | |
2714 | //\r | |
2715 | if (Right) {\r | |
2716 | //\r | |
2717 | // display column will be changed to end\r | |
2718 | //\r | |
2719 | FileBuffer.DisplayPosition.Column = MainEditor.ScreenSize.Column;\r | |
2720 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2721 | } else {\r | |
2722 | if (Left) {\r | |
2723 | //\r | |
2724 | // has enough left characters , so display row unchanged\r | |
2725 | // not has enough left characters,\r | |
2726 | // so the first character is at the first display column\r | |
2727 | //\r | |
2728 | if (NewFilePosCol < (FileBuffer.DisplayPosition.Column)) {\r | |
2729 | FileBuffer.DisplayPosition.Column = NewFilePosCol;\r | |
2730 | }\r | |
2731 | \r | |
2732 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2733 | } else {\r | |
2734 | //\r | |
2735 | // in current screen\r | |
2736 | //\r | |
2737 | FileBuffer.FilePosition.Column = NewFilePosCol;\r | |
2738 | if (ColGap < 0) {\r | |
cbdd109b | 2739 | Abs = (UINTN)(-ColGap);\r |
632820d1 | 2740 | FileBuffer.DisplayPosition.Column -= Abs;\r |
2741 | } else {\r | |
2742 | FileBuffer.DisplayPosition.Column += ColGap;\r | |
2743 | }\r | |
2744 | }\r | |
2745 | }\r | |
2746 | \r | |
2747 | FileBuffer.LowVisibleRange.Column = FileBuffer.FilePosition.Column - (FileBuffer.DisplayPosition.Column - 1);\r | |
2748 | \r | |
2749 | //\r | |
2750 | // let CurrentLine point to correct line;\r | |
2751 | //\r | |
2752 | FileBuffer.CurrentLine = MoveCurrentLine (RowGap);\r | |
2753 | \r | |
2754 | }\r | |
2755 | \r | |
2756 | /**\r | |
2757 | Cut current line out and return a pointer to it.\r | |
2758 | \r | |
2759 | @param[out] CutLine Upon a successful return pointer to the pointer to \r | |
2760 | the allocated cut line.\r | |
2761 | \r | |
2762 | @retval EFI_SUCCESS The cut was successful.\r | |
2763 | @retval EFI_NOT_FOUND There was no selection to cut.\r | |
2764 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2765 | **/\r | |
2766 | EFI_STATUS\r | |
632820d1 | 2767 | FileBufferCutLine (\r |
2768 | OUT EFI_EDITOR_LINE **CutLine\r | |
2769 | )\r | |
2770 | {\r | |
2771 | EFI_EDITOR_LINE *Line;\r | |
2772 | EFI_EDITOR_LINE *NewLine;\r | |
2773 | UINTN Row;\r | |
2774 | UINTN Col;\r | |
2775 | \r | |
2776 | if (FileBuffer.ReadOnly) {\r | |
2777 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2778 | return EFI_SUCCESS;\r | |
2779 | }\r | |
2780 | \r | |
2781 | Line = FileBuffer.CurrentLine;\r | |
2782 | \r | |
2783 | //\r | |
2784 | // if is the last dummy line, SO CAN not cut\r | |
2785 | //\r | |
2786 | if (StrCmp (Line->Buffer, L"\0") == 0 && Line->Link.ForwardLink == FileBuffer.ListHead\r | |
2787 | //\r | |
2788 | // last line\r | |
2789 | //\r | |
2790 | ) {\r | |
2791 | //\r | |
2792 | // LAST LINE AND NOTHING ON THIS LINE, SO CUT NOTHING\r | |
2793 | //\r | |
2794 | StatusBarSetStatusString (L"Nothing to Cut");\r | |
2795 | return EFI_NOT_FOUND;\r | |
2796 | }\r | |
2797 | //\r | |
2798 | // if is the last line, so create a dummy line\r | |
2799 | //\r | |
2800 | if (Line->Link.ForwardLink == FileBuffer.ListHead) {\r | |
2801 | //\r | |
2802 | // last line\r | |
2803 | // create a new line\r | |
2804 | //\r | |
2805 | NewLine = FileBufferCreateLine ();\r | |
2806 | if (NewLine == NULL) {\r | |
2807 | return EFI_OUT_OF_RESOURCES;\r | |
2808 | }\r | |
2809 | }\r | |
2810 | \r | |
2811 | FileBuffer.NumLines--;\r | |
2812 | Row = FileBuffer.FilePosition.Row;\r | |
2813 | Col = 1;\r | |
2814 | //\r | |
2815 | // move home\r | |
2816 | //\r | |
2817 | FileBuffer.CurrentLine = CR (\r | |
2818 | FileBuffer.CurrentLine->Link.ForwardLink,\r | |
2819 | EFI_EDITOR_LINE,\r | |
2820 | Link,\r | |
2821 | LINE_LIST_SIGNATURE\r | |
2822 | );\r | |
2823 | \r | |
2824 | RemoveEntryList (&Line->Link);\r | |
2825 | \r | |
2826 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2827 | \r | |
2828 | FileBufferMovePosition (Row, Col);\r | |
2829 | \r | |
2830 | FileBuffer.FileModified = TRUE;\r | |
2831 | FileBufferNeedRefresh = TRUE;\r | |
2832 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2833 | \r | |
2834 | *CutLine = Line;\r | |
2835 | \r | |
2836 | return EFI_SUCCESS;\r | |
2837 | }\r | |
2838 | \r | |
2839 | /**\r | |
2840 | Paste a line into line list.\r | |
2841 | \r | |
2842 | @retval EFI_SUCCESS The paste was successful.\r | |
2843 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
2844 | **/\r | |
2845 | EFI_STATUS\r | |
632820d1 | 2846 | FileBufferPasteLine (\r |
2847 | VOID\r | |
2848 | )\r | |
2849 | {\r | |
2850 | EFI_EDITOR_LINE *Line;\r | |
2851 | EFI_EDITOR_LINE *NewLine;\r | |
2852 | UINTN Row;\r | |
2853 | UINTN Col;\r | |
2854 | \r | |
2855 | //\r | |
2856 | // if nothing is on clip board\r | |
2857 | // then do nothing\r | |
2858 | //\r | |
2859 | if (MainEditor.CutLine == NULL) {\r | |
2860 | return EFI_SUCCESS;\r | |
2861 | }\r | |
2862 | //\r | |
2863 | // read only file can not be pasted on\r | |
2864 | //\r | |
2865 | if (FileBuffer.ReadOnly) {\r | |
2866 | StatusBarSetStatusString (L"Read Only File Can Not Be Modified");\r | |
2867 | return EFI_SUCCESS;\r | |
2868 | }\r | |
2869 | \r | |
2870 | NewLine = LineDup (MainEditor.CutLine);\r | |
2871 | if (NewLine == NULL) {\r | |
2872 | return EFI_OUT_OF_RESOURCES;\r | |
2873 | }\r | |
2874 | //\r | |
2875 | // insert it above current line\r | |
2876 | //\r | |
2877 | Line = FileBuffer.CurrentLine;\r | |
2878 | NewLine->Link.BackLink = Line->Link.BackLink;\r | |
2879 | NewLine->Link.ForwardLink = &Line->Link;\r | |
2880 | \r | |
2881 | Line->Link.BackLink->ForwardLink = &NewLine->Link;\r | |
2882 | Line->Link.BackLink = &NewLine->Link;\r | |
2883 | \r | |
2884 | FileBuffer.NumLines++;\r | |
2885 | FileBuffer.CurrentLine = NewLine;\r | |
2886 | \r | |
2887 | FileBuffer.Lines = CR (FileBuffer.ListHead->ForwardLink, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2888 | \r | |
2889 | Col = 1;\r | |
2890 | //\r | |
2891 | // move home\r | |
2892 | //\r | |
2893 | Row = FileBuffer.FilePosition.Row;\r | |
2894 | \r | |
2895 | FileBufferMovePosition (Row, Col);\r | |
2896 | \r | |
2897 | //\r | |
2898 | // after paste, set some value so that refresh knows to do something\r | |
2899 | //\r | |
2900 | FileBuffer.FileModified = TRUE;\r | |
2901 | FileBufferNeedRefresh = TRUE;\r | |
2902 | FileBufferOnlyLineNeedRefresh = FALSE;\r | |
2903 | \r | |
2904 | return EFI_SUCCESS;\r | |
2905 | }\r | |
2906 | \r | |
2907 | /**\r | |
2908 | Search string from current position on in file\r | |
2909 | \r | |
2910 | @param[in] Str The search string.\r | |
2911 | @param[in] Offset The offset from current position.\r | |
2912 | \r | |
2913 | @retval EFI_SUCCESS The operation was successful.\r | |
2914 | @retval EFI_NOT_FOUND The string Str was not found.\r | |
2915 | **/\r | |
2916 | EFI_STATUS\r | |
632820d1 | 2917 | FileBufferSearch (\r |
2918 | IN CONST CHAR16 *Str,\r | |
2919 | IN CONST UINTN Offset\r | |
2920 | )\r | |
2921 | {\r | |
2922 | CHAR16 *Current;\r | |
2923 | UINTN Position;\r | |
2924 | UINTN Row;\r | |
2925 | UINTN Column;\r | |
2926 | EFI_EDITOR_LINE *Line;\r | |
2927 | CHAR16 *CharPos;\r | |
2928 | LIST_ENTRY *Link;\r | |
2929 | BOOLEAN Found;\r | |
2930 | \r | |
2931 | Column = 0;\r | |
382e78c0 | 2932 | Position = 0;\r |
2933 | \r | |
632820d1 | 2934 | //\r |
2935 | // search if in current line\r | |
2936 | //\r | |
2937 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1 + Offset;\r | |
2938 | \r | |
2939 | if (Current >= (FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size)) {\r | |
2940 | //\r | |
2941 | // the end\r | |
2942 | //\r | |
2943 | Current = FileBuffer.CurrentLine->Buffer + FileBuffer.CurrentLine->Size;\r | |
2944 | }\r | |
2945 | \r | |
382e78c0 | 2946 | Found = FALSE;\r |
2947 | \r | |
632820d1 | 2948 | CharPos = StrStr (Current, Str);\r |
2949 | if (CharPos != NULL) {\r | |
382e78c0 | 2950 | Position = CharPos - Current + 1;\r |
2951 | Found = TRUE;\r | |
2952 | } \r | |
632820d1 | 2953 | \r |
2954 | //\r | |
2955 | // found\r | |
2956 | //\r | |
4ff7e37b | 2957 | if (Found) {\r |
632820d1 | 2958 | Column = (Position - 1) + FileBuffer.FilePosition.Column + Offset;\r |
2959 | Row = FileBuffer.FilePosition.Row;\r | |
632820d1 | 2960 | } else {\r |
2961 | //\r | |
2962 | // not found so find through next lines\r | |
2963 | //\r | |
2964 | Link = FileBuffer.CurrentLine->Link.ForwardLink;\r | |
2965 | \r | |
2966 | Row = FileBuffer.FilePosition.Row + 1;\r | |
2967 | while (Link != FileBuffer.ListHead) {\r | |
2968 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
2969 | // Position = StrStr (Line->Buffer, Str);\r | |
2970 | CharPos = StrStr (Line->Buffer, Str);\r | |
2971 | if (CharPos != NULL) {\r | |
382e78c0 | 2972 | Position = CharPos - Line->Buffer + 1;\r |
2973 | Found = TRUE;\r | |
2974 | } \r | |
2975 | \r | |
4ff7e37b | 2976 | if (Found) {\r |
632820d1 | 2977 | //\r |
2978 | // found\r | |
2979 | //\r | |
2980 | Column = Position;\r | |
2981 | break;\r | |
2982 | }\r | |
2983 | \r | |
2984 | Row++;\r | |
2985 | Link = Link->ForwardLink;\r | |
2986 | }\r | |
2987 | \r | |
2988 | if (Link == FileBuffer.ListHead) {\r | |
2989 | Found = FALSE;\r | |
2990 | } else {\r | |
2991 | Found = TRUE;\r | |
2992 | }\r | |
2993 | }\r | |
2994 | \r | |
2995 | if (!Found) {\r | |
2996 | return EFI_NOT_FOUND;\r | |
2997 | }\r | |
2998 | \r | |
2999 | FileBufferMovePosition (Row, Column);\r | |
3000 | \r | |
3001 | //\r | |
3002 | // call refresh to fresh edit area,\r | |
3003 | // because the outer may loop to find multiply occurrence of this string\r | |
3004 | //\r | |
3005 | FileBufferRefresh ();\r | |
3006 | \r | |
3007 | return EFI_SUCCESS;\r | |
3008 | }\r | |
3009 | \r | |
3010 | /**\r | |
3011 | Replace SearchLen characters from current position on with Replace.\r | |
3012 | \r | |
3013 | This will modify the current buffer at the current position.\r | |
3014 | \r | |
3015 | @param[in] Replace The string to replace.\r | |
3016 | @param[in] SearchLen Search string's length.\r | |
3017 | \r | |
3018 | @retval EFI_SUCCESS The operation was successful.\r | |
3019 | @retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r | |
3020 | **/\r | |
3021 | EFI_STATUS\r | |
632820d1 | 3022 | FileBufferReplace (\r |
3023 | IN CONST CHAR16 *Replace,\r | |
3024 | IN CONST UINTN SearchLen\r | |
3025 | )\r | |
3026 | {\r | |
3027 | UINTN ReplaceLen;\r | |
3028 | UINTN Index;\r | |
3029 | CHAR16 *Buffer;\r | |
3030 | UINTN NewSize;\r | |
3031 | UINTN OldSize;\r | |
3032 | UINTN Gap;\r | |
3033 | \r | |
3034 | ReplaceLen = StrLen (Replace);\r | |
3035 | \r | |
3036 | OldSize = FileBuffer.CurrentLine->Size + 1;\r | |
3037 | //\r | |
3038 | // include CHAR_NULL\r | |
3039 | //\r | |
3040 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3041 | \r | |
3042 | if (ReplaceLen > SearchLen) {\r | |
3043 | //\r | |
3044 | // do not have the enough space\r | |
3045 | //\r | |
3046 | if (FileBuffer.CurrentLine->TotalSize + 1 <= NewSize) {\r | |
3047 | FileBuffer.CurrentLine->Buffer = ReallocatePool (\r | |
3048 | 2 * OldSize,\r | |
3049 | 2 * NewSize,\r | |
3050 | FileBuffer.CurrentLine->Buffer\r | |
3051 | );\r | |
3052 | FileBuffer.CurrentLine->TotalSize = NewSize - 1;\r | |
3053 | }\r | |
3054 | \r | |
3055 | if (FileBuffer.CurrentLine->Buffer == NULL) {\r | |
3056 | return EFI_OUT_OF_RESOURCES;\r | |
3057 | }\r | |
3058 | //\r | |
3059 | // the end CHAR_NULL character;\r | |
3060 | //\r | |
3061 | Buffer = FileBuffer.CurrentLine->Buffer + (NewSize - 1);\r | |
3062 | Gap = ReplaceLen - SearchLen;\r | |
3063 | \r | |
3064 | //\r | |
3065 | // keep the latter part\r | |
3066 | //\r | |
3067 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - SearchLen + 2); Index++) {\r | |
3068 | *Buffer = *(Buffer - Gap);\r | |
3069 | Buffer--;\r | |
3070 | }\r | |
3071 | //\r | |
3072 | // set replace into it\r | |
3073 | //\r | |
382e78c0 | 3074 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3075 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3076 | Buffer[Index] = Replace[Index];\r | |
3077 | }\r | |
3078 | }\r | |
3079 | \r | |
3080 | if (ReplaceLen < SearchLen) {\r | |
382e78c0 | 3081 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3082 | \r |
3083 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3084 | Buffer[Index] = Replace[Index];\r | |
3085 | }\r | |
3086 | \r | |
3087 | Buffer += ReplaceLen;\r | |
3088 | Gap = SearchLen - ReplaceLen;\r | |
3089 | \r | |
3090 | //\r | |
3091 | // set replace into it\r | |
3092 | //\r | |
3093 | for (Index = 0; Index < (FileBuffer.CurrentLine->Size - FileBuffer.FilePosition.Column - ReplaceLen + 2); Index++) {\r | |
3094 | *Buffer = *(Buffer + Gap);\r | |
3095 | Buffer++;\r | |
3096 | }\r | |
3097 | }\r | |
3098 | \r | |
3099 | if (ReplaceLen == SearchLen) {\r | |
382e78c0 | 3100 | Buffer = FileBuffer.CurrentLine->Buffer + FileBuffer.FilePosition.Column - 1;\r |
632820d1 | 3101 | for (Index = 0; Index < ReplaceLen; Index++) {\r |
3102 | Buffer[Index] = Replace[Index];\r | |
3103 | }\r | |
3104 | }\r | |
3105 | \r | |
3106 | FileBuffer.CurrentLine->Size += (ReplaceLen - SearchLen);\r | |
3107 | \r | |
3108 | FileBufferOnlyLineNeedRefresh = TRUE;\r | |
3109 | \r | |
3110 | FileBuffer.FileModified = TRUE;\r | |
3111 | \r | |
980d554e | 3112 | MainTitleBarRefresh (MainEditor.FileBuffer->FileName, MainEditor.FileBuffer->FileType, MainEditor.FileBuffer->ReadOnly, MainEditor.FileBuffer->FileModified, MainEditor.ScreenSize.Column, MainEditor.ScreenSize.Row, 0, 0);\r |
632820d1 | 3113 | FileBufferRestorePosition ();\r |
3114 | FileBufferRefresh ();\r | |
3115 | \r | |
3116 | return EFI_SUCCESS;\r | |
3117 | }\r | |
3118 | \r | |
3119 | /**\r | |
3120 | Move the mouse cursor position.\r | |
3121 | \r | |
3122 | @param[in] TextX The new x-coordinate.\r | |
3123 | @param[in] TextY The new y-coordinate.\r | |
3124 | **/\r | |
3125 | VOID\r | |
632820d1 | 3126 | FileBufferAdjustMousePosition (\r |
3127 | IN CONST INT32 TextX,\r | |
3128 | IN CONST INT32 TextY\r | |
3129 | )\r | |
3130 | {\r | |
3131 | UINTN CoordinateX;\r | |
3132 | UINTN CoordinateY;\r | |
3133 | UINTN AbsX;\r | |
3134 | UINTN AbsY;\r | |
3135 | \r | |
3136 | //\r | |
3137 | // TextX and TextY is mouse movement data returned by mouse driver\r | |
3138 | // This function will change it to MousePosition\r | |
3139 | //\r | |
3140 | //\r | |
3141 | // get absolute value\r | |
3142 | //\r | |
3143 | \r | |
3144 | AbsX = ABS(TextX);\r | |
3145 | AbsY = ABS(TextY);\r | |
3146 | \r | |
3147 | CoordinateX = FileBuffer.MousePosition.Column;\r | |
3148 | CoordinateY = FileBuffer.MousePosition.Row;\r | |
3149 | \r | |
3150 | if (TextX >= 0) {\r | |
3151 | CoordinateX += TextX;\r | |
3152 | } else {\r | |
3153 | if (CoordinateX >= AbsX) {\r | |
3154 | CoordinateX -= AbsX;\r | |
3155 | } else {\r | |
3156 | CoordinateX = 0;\r | |
3157 | }\r | |
3158 | }\r | |
3159 | \r | |
3160 | if (TextY >= 0) {\r | |
3161 | CoordinateY += TextY;\r | |
3162 | } else {\r | |
3163 | if (CoordinateY >= AbsY) {\r | |
3164 | CoordinateY -= AbsY;\r | |
3165 | } else {\r | |
3166 | CoordinateY = 0;\r | |
3167 | }\r | |
3168 | }\r | |
3169 | //\r | |
3170 | // check whether new mouse column position is beyond screen\r | |
3171 | // if not, adjust it\r | |
3172 | //\r | |
3173 | if (CoordinateX >= 1 && CoordinateX <= MainEditor.ScreenSize.Column) {\r | |
3174 | FileBuffer.MousePosition.Column = CoordinateX;\r | |
3175 | } else if (CoordinateX < 1) {\r | |
3176 | FileBuffer.MousePosition.Column = 1;\r | |
3177 | } else if (CoordinateX > MainEditor.ScreenSize.Column) {\r | |
3178 | FileBuffer.MousePosition.Column = MainEditor.ScreenSize.Column;\r | |
3179 | }\r | |
3180 | //\r | |
3181 | // check whether new mouse row position is beyond screen\r | |
3182 | // if not, adjust it\r | |
3183 | //\r | |
5a2beb74 | 3184 | if (CoordinateY >= 2 && CoordinateY <= (MainEditor.ScreenSize.Row - 1)) {\r |
632820d1 | 3185 | FileBuffer.MousePosition.Row = CoordinateY;\r |
3186 | } else if (CoordinateY < 2) {\r | |
3187 | FileBuffer.MousePosition.Row = 2;\r | |
5a2beb74 | 3188 | } else if (CoordinateY > (MainEditor.ScreenSize.Row - 1)) {\r |
3189 | FileBuffer.MousePosition.Row = (MainEditor.ScreenSize.Row - 1);\r | |
632820d1 | 3190 | }\r |
3191 | \r | |
3192 | }\r | |
3193 | \r | |
3194 | /**\r | |
3195 | Search and replace operation.\r | |
3196 | \r | |
3197 | @param[in] SearchStr The string to search for.\r | |
3198 | @param[in] ReplaceStr The string to replace with.\r | |
3199 | @param[in] Offset The column to start at.\r | |
3200 | **/\r | |
3201 | EFI_STATUS\r | |
632820d1 | 3202 | FileBufferReplaceAll (\r |
3203 | IN CHAR16 *SearchStr,\r | |
3204 | IN CHAR16 *ReplaceStr,\r | |
3205 | IN UINTN Offset\r | |
3206 | )\r | |
3207 | {\r | |
3208 | CHAR16 *Buffer;\r | |
3209 | UINTN Position;\r | |
3210 | UINTN Column;\r | |
3211 | UINTN ReplaceLen;\r | |
3212 | UINTN SearchLen;\r | |
3213 | UINTN Index;\r | |
3214 | UINTN NewSize;\r | |
3215 | UINTN OldSize;\r | |
3216 | UINTN Gap;\r | |
3217 | EFI_EDITOR_LINE *Line;\r | |
3218 | LIST_ENTRY *Link;\r | |
3219 | CHAR16 *CharPos;\r | |
3220 | \r | |
3221 | SearchLen = StrLen (SearchStr);\r | |
3222 | ReplaceLen = StrLen (ReplaceStr);\r | |
3223 | \r | |
3224 | Column = FileBuffer.FilePosition.Column + Offset - 1;\r | |
3225 | \r | |
3226 | if (Column > FileBuffer.CurrentLine->Size) {\r | |
3227 | Column = FileBuffer.CurrentLine->Size;\r | |
3228 | }\r | |
3229 | \r | |
3230 | Link = &(FileBuffer.CurrentLine->Link);\r | |
3231 | \r | |
3232 | while (Link != FileBuffer.ListHead) {\r | |
3233 | Line = CR (Link, EFI_EDITOR_LINE, Link, LINE_LIST_SIGNATURE);\r | |
3234 | CharPos = StrStr (Line->Buffer + Column, SearchStr);\r | |
3235 | if (CharPos != NULL) {\r | |
3236 | Position = CharPos - Line->Buffer;// + Column;\r | |
3237 | //\r | |
3238 | // found\r | |
3239 | //\r | |
3240 | if (ReplaceLen > SearchLen) {\r | |
3241 | OldSize = Line->Size + 1;\r | |
3242 | //\r | |
3243 | // include CHAR_NULL\r | |
3244 | //\r | |
3245 | NewSize = OldSize + (ReplaceLen - SearchLen);\r | |
3246 | \r | |
3247 | //\r | |
3248 | // do not have the enough space\r | |
3249 | //\r | |
3250 | if (Line->TotalSize + 1 <= NewSize) {\r | |
3251 | Line->Buffer = ReallocatePool (\r | |
3252 | 2 * OldSize,\r | |
3253 | 2 * NewSize,\r | |
3254 | Line->Buffer\r | |
3255 | );\r | |
3256 | Line->TotalSize = NewSize - 1;\r | |
3257 | }\r | |
3258 | \r | |
3259 | if (Line->Buffer == NULL) {\r | |
3260 | return EFI_OUT_OF_RESOURCES;\r | |
3261 | }\r | |
3262 | //\r | |
3263 | // the end CHAR_NULL character;\r | |
3264 | //\r | |
3265 | Buffer = Line->Buffer + (NewSize - 1);\r | |
3266 | Gap = ReplaceLen - SearchLen;\r | |
3267 | \r | |
3268 | //\r | |
3269 | // keep the latter part\r | |
3270 | //\r | |
3271 | for (Index = 0; Index < (Line->Size - Position - SearchLen + 1); Index++) {\r | |
3272 | *Buffer = *(Buffer - Gap);\r | |
3273 | Buffer--;\r | |
3274 | }\r | |
3275 | \r | |
3276 | } else if (ReplaceLen < SearchLen){\r | |
3277 | Buffer = Line->Buffer + Position + ReplaceLen;\r | |
3278 | Gap = SearchLen - ReplaceLen;\r | |
3279 | \r | |
3280 | for (Index = 0; Index < (Line->Size - Position - ReplaceLen + 1); Index++) {\r | |
3281 | *Buffer = *(Buffer + Gap);\r | |
3282 | Buffer++;\r | |
3283 | }\r | |
3284 | } else {\r | |
3285 | ASSERT(ReplaceLen == SearchLen);\r | |
3286 | }\r | |
3287 | //\r | |
3288 | // set replace into it\r | |
3289 | //\r | |
3290 | Buffer = Line->Buffer + Position;\r | |
3291 | for (Index = 0; Index < ReplaceLen; Index++) {\r | |
3292 | Buffer[Index] = ReplaceStr[Index];\r | |
3293 | }\r | |
3294 | \r | |
3295 | Line->Size += (ReplaceLen - SearchLen);\r | |
3296 | Column += ReplaceLen;\r | |
3297 | } else {\r | |
3298 | //\r | |
3299 | // not found\r | |
3300 | //\r | |
3301 | Column = 0;\r | |
3302 | Link = Link->ForwardLink;\r | |
3303 | }\r | |
3304 | }\r | |
3305 | //\r | |
3306 | // call refresh to fresh edit area\r | |
3307 | //\r | |
3308 | FileBuffer.FileModified = TRUE;\r | |
3309 | FileBufferNeedRefresh = TRUE;\r | |
3310 | FileBufferRefresh ();\r | |
3311 | \r | |
3312 | return EFI_SUCCESS;\r | |
3313 | }\r | |
3314 | \r | |
3315 | /**\r | |
3316 | Set the modified state to TRUE.\r | |
3317 | **/\r | |
3318 | VOID\r | |
632820d1 | 3319 | FileBufferSetModified (\r |
3320 | VOID\r | |
3321 | )\r | |
3322 | {\r | |
3323 | FileBuffer.FileModified = TRUE;\r | |
3324 | }\r | |
3325 | \r |