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00010 #include "wvlinklist.h"
00011
00012 WvLink::WvLink(void *_data, WvLink *prev, WvLink *&tail, bool _auto_free,
00013 char *_id)
00014 {
00015 data = _data;
00016 next = prev->next;
00017 if (!next) tail = this;
00018 prev->next = this;
00019 auto_free = (unsigned)_auto_free;
00020 id = _id;
00021 }
00022
00023
00024 size_t WvListBase::count() const
00025 {
00026 WvLink *l;
00027 size_t n = 0;
00028
00029 for (l = head.next; l; l = l->next)
00030 n++;
00031 return n;
00032 }
00033
00034
00035 void WvListBase::reverse()
00036 {
00037 WvLink *prev, *curr, *next;
00038
00039 if (!head.next || !head.next->next)
00040 return;
00041
00042 prev = head.next;
00043 curr = prev->next;
00044
00045 do {
00046 next = curr->next;
00047 curr->next = prev;
00048 prev = curr;
00049 curr = next;
00050 } while(curr);
00051
00052 tail = head.next;
00053 tail->next = NULL;
00054 head.next = prev;
00055 }
00056
00057
00058 WvLink *WvListBase::IterBase::find(const void *data)
00059 {
00060 for (rewind(); next(); )
00061 {
00062 if (link->data == data)
00063 break;
00064 }
00065
00066 return link;
00067 }
00068
00069
00070 #if 0
00071 static WvListBase::SorterBase::CompareFunc *actual_compare = NULL;
00072
00073 static int magic_compare(const void *_a, const void *_b)
00074 {
00075 WvLink *a = *(WvLink **)_a, *b = *(WvLink **)_b;
00076 return actual_compare(a->data, b->data);
00077 }
00078
00079 void WvListBase::SorterBase::rewind(CompareFunc *cmp)
00080 {
00081 if (array)
00082 delete array;
00083 array = lptr = NULL;
00084
00085 int n = list->count();
00086 array = new WvLink * [n+1];
00087 WvLink **aptr = array;
00088
00089
00090
00091
00092 IterBase i(*list);
00093 aptr = array;
00094 for (i.rewind(); i.next(); )
00095 {
00096 *aptr = i.cur();
00097 aptr++;
00098 }
00099
00100 *aptr = NULL;
00101
00102
00103
00104 CompareFunc *old_compare = actual_compare;
00105 actual_compare = cmp;
00106 qsort(array, n, sizeof(WvLink *), magic_compare);
00107 actual_compare = old_compare;
00108
00109 lptr = NULL;
00110 }
00111 #endif