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1 /* libs/graphics/views/SkTagList.cpp | |
2 ** | |
3 ** Copyright 2006, The Android Open Source Project | |
4 ** | |
5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
6 ** you may not use this file except in compliance with the License. | |
7 ** You may obtain a copy of the License at | |
8 ** | |
9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
10 ** | |
11 ** Unless required by applicable law or agreed to in writing, software | |
12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
14 ** See the License for the specific language governing permissions and | |
15 ** limitations under the License. | |
16 */ | |
17 | |
18 #include "SkTagList.h" | |
19 | |
20 SkTagList::~SkTagList() | |
21 { | |
22 } | |
23 | |
24 SkTagList* SkTagList::Find(SkTagList* rec, U8CPU tag) | |
25 { | |
26 SkASSERT(tag < kSkTagListCount); | |
27 | |
28 while (rec != NULL) | |
29 { | |
30 if (rec->fTag == tag) | |
31 break; | |
32 rec = rec->fNext; | |
33 } | |
34 return rec; | |
35 } | |
36 | |
37 void SkTagList::DeleteTag(SkTagList** head, U8CPU tag) | |
38 { | |
39 SkASSERT(tag < kSkTagListCount); | |
40 | |
41 SkTagList* rec = *head; | |
42 SkTagList* prev = NULL; | |
43 | |
44 while (rec != NULL) | |
45 { | |
46 SkTagList* next = rec->fNext; | |
47 | |
48 if (rec->fTag == tag) | |
49 { | |
50 if (prev) | |
51 prev->fNext = next; | |
52 else | |
53 *head = next; | |
54 delete rec; | |
55 break; | |
56 } | |
57 prev = rec; | |
58 rec = next; | |
59 } | |
60 } | |
61 | |
62 void SkTagList::DeleteAll(SkTagList* rec) | |
63 { | |
64 while (rec) | |
65 { | |
66 SkTagList* next = rec->fNext; | |
67 delete rec; | |
68 rec = next; | |
69 } | |
70 } | |
71 | |
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