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201
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1 #include "SceneGraphIterator.h"
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2
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3 void
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4 SceneGraphIterator::set(SceneGraphPtr _list)
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5 {
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6 list = cur = _list;
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7 }
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8
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9 /**
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10 * 次の SceneGraph があるか返す
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11 *
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12 * @retval 1 next がある
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13 * @retval 0 next がない
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14 */
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15 int
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16 SceneGraphIterator::hasNext(void)
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17 {
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18 return (cur->next) ? 1 : 0;
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19 }
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20
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21 /**
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22 * 指定した名前をもつ SceneGraph が以降存在するか
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23 *
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24 * @param name 検索したい SceneGraph の名前
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25 * @retval 1 next がある
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26 * @retval 0 next がない
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27 */
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28 int
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29 SceneGraphIterator::hasNext(const char *name)
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30 {
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31 SceneGraphPtr p;
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32
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33 for (p = cur->next; p; p = p->next) {
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34 if (strcmp(p->name, name) == 0) {
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35 return 1;
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36 }
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37 }
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38
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39 return 0;
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40 }
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41
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42 /**
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43 * iterator を次に進める
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44 */
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45 void
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46 SceneGraphIterator::next(void)
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47 {
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48 cur = cur->next;
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49 }
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50
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51 /**
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52 * iterator を指定した名前を持つ SceneGraph まで進める
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53 * SceneGraph が無い場合、NULL にする
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54 */
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55 void
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56 SceneGraphIterator::next(const char *name)
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57 {
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58 SceneGraphPtr p;
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59
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60 for (p = cur->next; p; p = p->next) {
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61 if (strcmp(p->name, name) == 0) {
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62 break;
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63 }
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64 }
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65
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66 cur = p;
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67 }
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68
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69 /**
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70 * 参照中の SceneGraph を削除する
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71 */
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72 void
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73 SceneGraphIterator::remove(void)
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74 {
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75 cur->remove();
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76 }
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77
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78 /**
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79 * 参照中の SceneGraph を返す
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80 *
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81 * @return current SceneGraph
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82 */
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83 SceneGraphPtr
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84 SceneGraphIterator::get(void)
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85 {
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86 return cur;
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87 }
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