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30fdf114 LG |
1 | /** @file\r |
2 | \r | |
40d841f6 LG |
3 | Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR>\r |
4 | This program and the accompanying materials \r | |
30fdf114 LG |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | StringFuncs.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Function prototypes and defines for string routines.\r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | #include <string.h>\r | |
23 | #include <ctype.h>\r | |
24 | #include "StringFuncs.h"\r | |
25 | \r | |
26 | //\r | |
27 | // Functions implementations\r | |
28 | //\r | |
29 | \r | |
30 | CHAR8*\r | |
31 | CloneString (\r | |
32 | IN CHAR8 *String\r | |
33 | )\r | |
34 | /*++\r | |
35 | \r | |
36 | Routine Description:\r | |
37 | \r | |
38 | Allocates a new string and copies 'String' to clone it\r | |
39 | \r | |
40 | Arguments:\r | |
41 | \r | |
42 | String The string to clone\r | |
43 | \r | |
44 | Returns:\r | |
45 | \r | |
46 | CHAR8* - NULL if there are not enough resources\r | |
47 | \r | |
48 | --*/\r | |
49 | {\r | |
50 | CHAR8* NewString;\r | |
51 | \r | |
52 | NewString = malloc (strlen (String) + 1);\r | |
53 | if (NewString != NULL) {\r | |
54 | strcpy (NewString, String);\r | |
55 | }\r | |
56 | \r | |
57 | return NewString;\r | |
58 | }\r | |
59 | \r | |
60 | \r | |
61 | EFI_STATUS\r | |
62 | StripInfDscStringInPlace (\r | |
63 | IN CHAR8 *String\r | |
64 | )\r | |
65 | /*++\r | |
66 | \r | |
67 | Routine Description:\r | |
68 | \r | |
69 | Remove all comments, leading and trailing whitespace from the string.\r | |
70 | \r | |
71 | Arguments:\r | |
72 | \r | |
73 | String The string to 'strip'\r | |
74 | \r | |
75 | Returns:\r | |
76 | \r | |
77 | EFI_STATUS\r | |
78 | \r | |
79 | --*/\r | |
80 | {\r | |
81 | CHAR8 *Pos;\r | |
82 | \r | |
83 | if (String == NULL) {\r | |
84 | return EFI_INVALID_PARAMETER;\r | |
85 | }\r | |
86 | \r | |
87 | //\r | |
88 | // Remove leading whitespace\r | |
89 | //\r | |
a709adfa | 90 | for (Pos = String; isspace ((int)*Pos); Pos++) {\r |
30fdf114 LG |
91 | }\r |
92 | if (Pos != String) {\r | |
93 | memmove (String, Pos, strlen (Pos) + 1);\r | |
94 | }\r | |
95 | \r | |
96 | //\r | |
97 | // Comment BUGBUGs!\r | |
98 | //\r | |
99 | // What about strings? Comment characters are okay in strings.\r | |
100 | // What about multiline comments?\r | |
101 | //\r | |
102 | \r | |
103 | Pos = (CHAR8 *) strstr (String, "//");\r | |
104 | if (Pos != NULL) {\r | |
105 | *Pos = '\0';\r | |
106 | }\r | |
107 | \r | |
108 | Pos = (CHAR8 *) strchr (String, '#');\r | |
109 | if (Pos != NULL) {\r | |
110 | *Pos = '\0';\r | |
111 | }\r | |
112 | \r | |
113 | //\r | |
114 | // Remove trailing whitespace\r | |
115 | //\r | |
116 | for (Pos = String + strlen (String);\r | |
a709adfa | 117 | ((Pos - 1) >= String) && (isspace ((int)*(Pos - 1)));\r |
30fdf114 LG |
118 | Pos--\r |
119 | ) {\r | |
120 | }\r | |
121 | *Pos = '\0';\r | |
122 | \r | |
123 | return EFI_SUCCESS;\r | |
124 | }\r | |
125 | \r | |
126 | \r | |
127 | STRING_LIST*\r | |
128 | SplitStringByWhitespace (\r | |
129 | IN CHAR8 *String\r | |
130 | )\r | |
131 | /*++\r | |
132 | \r | |
133 | Routine Description:\r | |
134 | \r | |
135 | Creates and returns a 'split' STRING_LIST by splitting the string\r | |
136 | on whitespace boundaries.\r | |
137 | \r | |
138 | Arguments:\r | |
139 | \r | |
140 | String The string to 'split'\r | |
141 | \r | |
142 | Returns:\r | |
143 | \r | |
144 | EFI_STATUS\r | |
145 | \r | |
146 | --*/\r | |
147 | {\r | |
148 | CHAR8 *Pos;\r | |
149 | CHAR8 *EndOfSubString;\r | |
150 | CHAR8 *EndOfString;\r | |
151 | STRING_LIST *Output;\r | |
152 | UINTN Item;\r | |
153 | \r | |
154 | String = CloneString (String);\r | |
155 | if (String == NULL) {\r | |
156 | return NULL;\r | |
157 | }\r | |
158 | EndOfString = String + strlen (String);\r | |
159 | \r | |
160 | Output = NewStringList ();\r | |
161 | \r | |
162 | for (Pos = String, Item = 0; Pos < EndOfString; Item++) {\r | |
a709adfa | 163 | while (isspace ((int)*Pos)) {\r |
30fdf114 LG |
164 | Pos++;\r |
165 | }\r | |
166 | \r | |
167 | for (EndOfSubString=Pos;\r | |
a709adfa | 168 | (*EndOfSubString != '\0') && !isspace ((int)*EndOfSubString);\r |
30fdf114 LG |
169 | EndOfSubString++\r |
170 | ) {\r | |
171 | }\r | |
172 | \r | |
173 | if (EndOfSubString == Pos) {\r | |
174 | break;\r | |
175 | }\r | |
176 | \r | |
177 | *EndOfSubString = '\0';\r | |
178 | \r | |
179 | AppendCopyOfStringToList (&Output, Pos);\r | |
180 | \r | |
181 | Pos = EndOfSubString + 1;\r | |
182 | }\r | |
183 | \r | |
184 | free (String);\r | |
185 | return Output;\r | |
186 | }\r | |
187 | \r | |
188 | \r | |
189 | STRING_LIST*\r | |
190 | NewStringList (\r | |
191 | )\r | |
192 | /*++\r | |
193 | \r | |
194 | Routine Description:\r | |
195 | \r | |
196 | Creates a new STRING_LIST with 0 strings.\r | |
197 | \r | |
198 | Returns:\r | |
199 | \r | |
200 | STRING_LIST* - Null if there is not enough resources to create the object.\r | |
201 | \r | |
202 | --*/\r | |
203 | {\r | |
204 | STRING_LIST *NewList;\r | |
205 | NewList = AllocateStringListStruct (0);\r | |
206 | if (NewList != NULL) {\r | |
207 | NewList->Count = 0;\r | |
208 | }\r | |
209 | return NewList;\r | |
210 | }\r | |
211 | \r | |
212 | \r | |
213 | EFI_STATUS\r | |
214 | AppendCopyOfStringToList (\r | |
215 | IN OUT STRING_LIST **StringList,\r | |
216 | IN CHAR8 *String\r | |
217 | )\r | |
218 | /*++\r | |
219 | \r | |
220 | Routine Description:\r | |
221 | \r | |
222 | Adds String to StringList. A new copy of String is made before it is\r | |
223 | added to StringList.\r | |
224 | \r | |
225 | Returns:\r | |
226 | \r | |
227 | EFI_STATUS\r | |
228 | \r | |
229 | --*/\r | |
230 | {\r | |
231 | STRING_LIST *OldList;\r | |
232 | STRING_LIST *NewList;\r | |
233 | CHAR8 *NewString;\r | |
234 | \r | |
235 | OldList = *StringList;\r | |
236 | NewList = AllocateStringListStruct (OldList->Count + 1);\r | |
237 | if (NewList == NULL) {\r | |
238 | return EFI_OUT_OF_RESOURCES;\r | |
239 | }\r | |
240 | \r | |
241 | NewString = CloneString (String);\r | |
242 | if (NewString == NULL) {\r | |
243 | free (NewList);\r | |
244 | return EFI_OUT_OF_RESOURCES;\r | |
245 | }\r | |
246 | \r | |
247 | memcpy (\r | |
248 | NewList->Strings,\r | |
249 | OldList->Strings,\r | |
250 | sizeof (OldList->Strings[0]) * OldList->Count\r | |
251 | );\r | |
252 | NewList->Count = OldList->Count + 1;\r | |
253 | NewList->Strings[OldList->Count] = NewString;\r | |
254 | \r | |
255 | *StringList = NewList;\r | |
256 | free (OldList);\r | |
257 | \r | |
258 | return EFI_SUCCESS;\r | |
259 | }\r | |
260 | \r | |
261 | \r | |
262 | EFI_STATUS\r | |
263 | RemoveLastStringFromList (\r | |
264 | IN STRING_LIST *StringList\r | |
265 | )\r | |
266 | /*++\r | |
267 | \r | |
268 | Routine Description:\r | |
269 | \r | |
270 | Removes the last string from StringList and frees the memory associated\r | |
271 | with it.\r | |
272 | \r | |
273 | Arguments:\r | |
274 | \r | |
275 | StringList The string list to remove the string from\r | |
276 | \r | |
277 | Returns:\r | |
278 | \r | |
279 | EFI_STATUS\r | |
280 | \r | |
281 | --*/\r | |
282 | {\r | |
283 | if (StringList->Count == 0) {\r | |
284 | return EFI_INVALID_PARAMETER;\r | |
285 | }\r | |
286 | \r | |
287 | free (StringList->Strings[StringList->Count - 1]);\r | |
288 | StringList->Count--;\r | |
289 | return EFI_SUCCESS;\r | |
290 | }\r | |
291 | \r | |
292 | \r | |
293 | STRING_LIST*\r | |
294 | AllocateStringListStruct (\r | |
295 | IN UINTN StringCount\r | |
296 | )\r | |
297 | /*++\r | |
298 | \r | |
299 | Routine Description:\r | |
300 | \r | |
301 | Allocates a STRING_LIST structure that can store StringCount strings.\r | |
302 | \r | |
303 | Arguments:\r | |
304 | \r | |
305 | StringCount The number of strings that need to be stored\r | |
306 | \r | |
307 | Returns:\r | |
308 | \r | |
309 | EFI_STATUS\r | |
310 | \r | |
311 | --*/\r | |
312 | {\r | |
313 | return malloc (OFFSET_OF(STRING_LIST, Strings[StringCount + 1]));\r | |
314 | }\r | |
315 | \r | |
316 | \r | |
317 | VOID\r | |
318 | FreeStringList (\r | |
319 | IN STRING_LIST *StringList\r | |
320 | )\r | |
321 | /*++\r | |
322 | \r | |
323 | Routine Description:\r | |
324 | \r | |
325 | Frees all memory associated with StringList.\r | |
326 | \r | |
327 | Arguments:\r | |
328 | \r | |
329 | StringList The string list to free\r | |
330 | \r | |
331 | Returns:\r | |
332 | \r | |
333 | VOID\r | |
334 | --*/\r | |
335 | {\r | |
336 | while (StringList->Count > 0) {\r | |
337 | RemoveLastStringFromList (StringList);\r | |
338 | }\r | |
339 | \r | |
340 | free (StringList);\r | |
341 | }\r | |
342 | \r | |
343 | \r | |
344 | CHAR8*\r | |
345 | StringListToString (\r | |
346 | IN STRING_LIST *StringList\r | |
347 | )\r | |
348 | /*++\r | |
349 | \r | |
350 | Routine Description:\r | |
351 | \r | |
352 | Generates a string that represents the STRING_LIST\r | |
353 | \r | |
354 | Arguments:\r | |
355 | \r | |
356 | StringList The string list to convert to a string\r | |
357 | \r | |
358 | Returns:\r | |
359 | \r | |
360 | CHAR8* - The string list represented with a single string. The returned\r | |
361 | string must be freed by the caller.\r | |
362 | \r | |
363 | --*/\r | |
364 | {\r | |
365 | UINTN Count;\r | |
366 | UINTN Length;\r | |
367 | CHAR8 *NewString;\r | |
368 | \r | |
369 | Length = 2;\r | |
370 | for (Count = 0; Count < StringList->Count; Count++) {\r | |
371 | if (Count > 0) {\r | |
372 | Length += 2;\r | |
373 | }\r | |
374 | Length += strlen (StringList->Strings[Count]) + 2;\r | |
375 | }\r | |
376 | \r | |
377 | NewString = malloc (Length + 1);\r | |
378 | if (NewString == NULL) {\r | |
379 | return NewString;\r | |
380 | }\r | |
381 | NewString[0] = '\0';\r | |
382 | \r | |
383 | strcat (NewString, "[");\r | |
384 | for (Count = 0; Count < StringList->Count; Count++) {\r | |
385 | if (Count > 0) {\r | |
386 | strcat (NewString, ", ");\r | |
387 | }\r | |
388 | strcat (NewString, "\"");\r | |
389 | strcat (NewString, StringList->Strings[Count]);\r | |
390 | strcat (NewString, "\"");\r | |
391 | }\r | |
392 | strcat (NewString, "]");\r | |
393 | \r | |
394 | return NewString;\r | |
395 | }\r | |
396 | \r | |
397 | \r | |
398 | VOID\r | |
399 | PrintStringList (\r | |
400 | IN STRING_LIST *StringList\r | |
401 | )\r | |
402 | /*++\r | |
403 | \r | |
404 | Routine Description:\r | |
405 | \r | |
406 | Prints out the string list\r | |
407 | \r | |
408 | Arguments:\r | |
409 | \r | |
410 | StringList The string list to print\r | |
411 | \r | |
412 | Returns:\r | |
413 | \r | |
414 | EFI_STATUS\r | |
415 | \r | |
416 | --*/\r | |
417 | {\r | |
418 | CHAR8* String;\r | |
419 | String = StringListToString (StringList);\r | |
420 | if (String != NULL) {\r | |
421 | printf ("%s", String);\r | |
422 | free (String);\r | |
423 | }\r | |
424 | }\r | |
425 | \r | |
426 | \r |