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      1 
      2 /*
      3  * Copyright 2006 The Android Open Source Project
      4  *
      5  * Use of this source code is governed by a BSD-style license that can be
      6  * found in the LICENSE file.
      7  */
      8 
      9 
     10 #include "SkTagList.h"
     11 
     12 SkTagList::~SkTagList()
     13 {
     14 }
     15 
     16 SkTagList* SkTagList::Find(SkTagList* rec, U8CPU tag)
     17 {
     18     SkASSERT(tag < kSkTagListCount);
     19 
     20     while (rec != NULL)
     21     {
     22         if (rec->fTag == tag)
     23             break;
     24         rec = rec->fNext;
     25     }
     26     return rec;
     27 }
     28 
     29 void SkTagList::DeleteTag(SkTagList** head, U8CPU tag)
     30 {
     31     SkASSERT(tag < kSkTagListCount);
     32 
     33     SkTagList* rec = *head;
     34     SkTagList* prev = NULL;
     35 
     36     while (rec != NULL)
     37     {
     38         SkTagList* next = rec->fNext;
     39 
     40         if (rec->fTag == tag)
     41         {
     42             if (prev)
     43                 prev->fNext = next;
     44             else
     45                 *head = next;
     46             delete rec;
     47             break;
     48         }
     49         prev = rec;
     50         rec = next;
     51     }
     52 }
     53 
     54 void SkTagList::DeleteAll(SkTagList* rec)
     55 {
     56     while (rec)
     57     {
     58         SkTagList* next = rec->fNext;
     59         delete rec;
     60         rec = next;
     61     }
     62 }
     63