reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame^] | 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 | |