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@@ -0,0 +1,612 @@
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+#include "cmGlobal.h"
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+#include "cmRpt.h"
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+#include "cmErr.h"
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+#include "cmCtx.h"
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+#include "cmMem.h"
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+#include "cmMallocDebug.h"
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+#include "cmDList.h"
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+
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+
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+typedef struct cmDListRecd_str
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+{
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+ void* dV;
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+ unsigned dN;
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+ struct cmDListRecd_str* prev;
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+ struct cmDListRecd_str* next;
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+} cmDListRecd_t;
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+
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+typedef struct cmDListIndexRecd_str
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+{
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+ cmDListRecd_t* r;
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+ struct cmDListIndexRecd_str* prev;
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+ struct cmDListIndexRecd_str* next;
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+} cmDListIndexRecd_t;
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+
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+typedef struct cmDListIndex_str
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+{
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+ unsigned id;
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+ cmDListCmpFunc_t cmpFunc;
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+ void* funcArg;
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+ cmDListIndexFreeFunc_t freeFunc;
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+ cmDListIndexRecd_t* first;
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+ cmDListIndexRecd_t* last;
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+ unsigned recdN;
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+ struct cmDListIndex_str* link;
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+} cmDListIndex_t;
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+
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+
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+struct cmDList_str;
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+
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+typedef struct cmDListIter_str
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+{
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+ struct cmDList_str* p;
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+ cmDListIndex_t* x;
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+ cmDListIndexRecd_t* s;
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+ struct cmDListIter_str* link;
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+} cmDListIter_t;
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+
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+typedef struct cmDList_str
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+{
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+ cmErr_t err;
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+ cmDListRecd_t* first;
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+ cmDListRecd_t* last;
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+ unsigned recdN;
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+
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+ cmDListIndex_t* indexes;
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+ cmDListIter_t* iters;
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+} cmDList_t;
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+
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+cmDListH_t cmDListNullHandle = cmSTATIC_NULL_HANDLE;
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+cmDListIterH_t cmDListIterNullHandle = cmSTATIC_NULL_HANDLE;
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+
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+cmDList_t* _cmDListHandleToPtr( cmDListH_t h )
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+{
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+ cmDList_t* p = (cmDList_t*)h.h;
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+ assert( p!=NULL );
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+ return p;
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+}
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+
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+cmDListIndex_t* _cmDListIdToIndex( cmDList_t* p, unsigned indexId )
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+{
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+ cmDListIndex_t* x = p->indexes;
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+ for(; x!=NULL; x=x->link)
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+ if( x->id == indexId )
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+ return x;
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+
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+ return NULL;
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+}
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+
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+void _cmDListIndexAllocRecds( cmDListIndex_t* x, unsigned n )
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+{
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+ unsigned i;
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+ for(i=0; i<n; ++i)
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+ {
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+ cmDListIndexRecd_t* s = cmMemAllocZ(cmDListIndexRecd_t,1);
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+ s->prev = x->last;
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+
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+ if( x->last != NULL )
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+ x->last->next = s;
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+ else
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+ {
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+ assert( x->first == NULL );
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+ x->first = s;
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+ }
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+
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+ x->last = s;
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+ }
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+
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+ x->recdN += n;
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+
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+}
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+
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+void _cmDListIndexUpdate( cmDList_t* p, cmDListIndex_t* x )
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+{
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+ cmDListIndexRecd_t* first = NULL;
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+ cmDListIndexRecd_t* last = NULL;
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+ cmDListIndexRecd_t* avail = x->first;
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+
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+ // for each data recd
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+ cmDListRecd_t* r = p->first;
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+ for(; r!=NULL; r=r->next)
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+ {
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+ // get the next available index record
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+ cmDListIndexRecd_t* a = avail;
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+
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+ avail = avail->next;
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+
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+ // The count of index records and data records should always be the same.
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+ assert( a != NULL );
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+ a->r = r;
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+
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+ cmDListIndexRecd_t* s = first;
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+
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+ // for each index recd that has already been sorted
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+ for(; s!=NULL; s=s->next)
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+ if( x->cmpFunc( x->funcArg, r->dV, r->dN, s->r->dV, s->r->dN ) < 0 )
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+ {
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+ // r is less than s->r
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+ // insert 'a' prior to 's' in the index
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+
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+ a->next = s;
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+ a->prev = s->prev;
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+
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+ // if 's' is not first
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+ if( s->prev != NULL )
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+ s->prev->next = a;
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+ else
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+ { // 's' was first - now 'a' is first
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+ assert( s == first );
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+ first = a;
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+ }
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+
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+ s->prev = a;
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+
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+ break;
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+ }
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+
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+ // No records are greater than r or the index is empty - 'a' is last in the index.
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+ if( s == NULL )
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+ {
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+ // insert 'a' after 'last'
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+
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+ // if the index is empty
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+ if( last == NULL )
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+ {
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+ first = a;
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+ a->prev = NULL;
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+ }
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+ else // make 'a' last in the index
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+ {
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+ a->prev = last;
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+ a->next = NULL;
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+ assert( last->next == NULL );
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+ last->next = a;
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+ }
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+
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+ a->next = NULL;
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+ last = a;
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+ }
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+
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+
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+
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+ }
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+
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+ x->first = first;
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+ x->last = last;
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+}
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+
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+void _cmDListRecdFree( cmDList_t* p, cmDListRecd_t* r )
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+{
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+ if( r->prev != NULL )
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+ r->prev->next = r->next;
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+ else
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+ p->first = r->next;
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+
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+ if( r->next != NULL )
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+ r->next->prev = r->prev;
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+ else
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+ p->last = r->prev;
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+
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+ cmMemFree(r);
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+}
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+
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+// Unlink and free the index record s;
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+void _cmDListIndexRecdFree( cmDListIndex_t* x, cmDListIndexRecd_t* s )
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+{
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+ if( s->prev != NULL )
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+ s->prev->next = s->next;
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+ else
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+ x->first = s->next;
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+
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+ if( s->next != NULL )
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+ s->next->prev = s->prev;
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+ else
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+ x->last = s->prev;
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+
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+ cmMemFree(s);
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+}
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+
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+// Unlink and release an index.
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+void _cmDListIndexFree( cmDList_t* p, cmDListIndex_t* x )
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+{
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+ if( x == NULL )
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+ return;
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+
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+ cmDListIndex_t* x0 = NULL;
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+ cmDListIndex_t* x1 = p->indexes;
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+
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+ // unlink 'x' from p->indexes
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+ while( x1 != NULL )
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+ {
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+ if( x1 == x )
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+ {
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+ // x is the first index
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+ if( x0 == NULL )
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+ {
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+ assert( x1 = p->indexes );
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+ p->indexes = x->link;
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+ }
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+ else
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+ {
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+ x0->link = x1->link;
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+ }
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+
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+ break;
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+ }
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+
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+ x0 = x1;
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+ x1 = x1->link;
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+ }
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+
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+ // 'x' must have been found
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+ assert( x1 == x );
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+
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244
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+
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+ // release each index record in 'x'
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246
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+ cmDListIndexRecd_t* s = x->first;
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247
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+ while( s != NULL )
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248
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+ {
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249
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+ cmDListIndexRecd_t* ns = s->next;
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250
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+ cmMemFree(s);
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251
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+ s = ns;
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252
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+ }
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253
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+
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254
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+ if( x->freeFunc != NULL )
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255
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+ x->freeFunc(x->id,x->funcArg);
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256
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+
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257
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+ cmMemFree(x);
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+
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259
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+}
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260
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+
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261
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+// Unlink and release the iterator 'e'.
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262
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+cmDlRC_t _cmDListIterFree( cmDListIter_t* e )
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263
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+{
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264
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+ cmDList_t* p = e->p;
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265
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+ cmDListIter_t* e0 = NULL;
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266
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+ cmDListIter_t* e1 = p->iters;
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267
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+
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268
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+ while( e1 != NULL )
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269
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+ {
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270
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+ if( e1 == e )
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271
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+ {
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272
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+ if( e0 == NULL )
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273
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+ p->iters = e1->link;
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274
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+ else
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275
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+ e0->link = e1->link;
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276
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+
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277
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+ cmMemFree(e0);
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278
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+ break;
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279
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+ }
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280
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+
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281
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+ e0 = e1;
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282
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+ e1 = e1->link;
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283
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+ }
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284
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+
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285
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+ if( e1 == NULL )
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286
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+ return cmErrMsg(&p->err,kIterNotFoundDlRC,"The delete target iterator could not be found.");
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287
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+
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288
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+ return kOkDlRC;
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289
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+}
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290
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+
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291
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+cmDlRC_t _cmDListFree( cmDList_t* p )
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292
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+{
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293
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+ cmDlRC_t rc = kOkDlRC;
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294
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+
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295
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+ // release all indexes
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296
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+ while( p->indexes != NULL )
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297
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+ _cmDListIndexFree(p,p->indexes);
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298
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+
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299
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+ while( p->iters != NULL )
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300
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+ _cmDListIterFree(p->iters);
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301
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+
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302
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+ // release all data records
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303
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+ while( p->first != NULL )
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304
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+ _cmDListRecdFree(p,p->first);
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305
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+
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306
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+ cmMemFree(p);
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307
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+ return rc;
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308
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+}
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309
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+
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310
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+cmDlRC_t _cmDListIndexAlloc( cmDList_t* p, unsigned indexId, cmDListCmpFunc_t func, void* funcArg )
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311
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+{
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312
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+ cmDListIndex_t* x;
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313
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+
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314
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+ if((x =_cmDListIdToIndex(p, indexId )) != NULL )
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315
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+ return cmErrMsg(&p->err,kDuplicateIndexIdDlRC,"The indexId '%i' has already been used.",indexId);
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316
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+
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317
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+ x = cmMemAllocZ(cmDListIndex_t,1);
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318
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+
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319
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+ x->id = indexId;
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320
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+ x->cmpFunc = func;
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321
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+ x->funcArg = funcArg;
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322
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+ x->link = p->indexes;
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323
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+ p->indexes = x;
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324
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+
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325
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+
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326
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+ _cmDListIndexAllocRecds(x,p->recdN);
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327
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+ _cmDListIndexUpdate(p,x);
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328
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+
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329
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+ return kOkDlRC;
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330
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+
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331
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+}
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332
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+
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333
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+cmDlRC_t cmDListAlloc( cmCtx_t* ctx, cmDListH_t* hp, cmDListCmpFunc_t func, void* funcArg )
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334
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+{
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335
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+ cmDlRC_t rc = kOkDlRC;
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336
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+
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337
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+ if((rc = cmDListFree(hp)) != kOkDlRC )
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338
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+ return rc;
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339
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+
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340
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+ cmDList_t* p = cmMemAllocZ(cmDList_t,1);
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341
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+ cmErrSetup(&p->err,&ctx->rpt,"cmDList");
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342
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+
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343
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+ if( func!=NULL )
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344
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+ if((rc = _cmDListIndexAlloc(p,0,func,funcArg)) != kOkDlRC )
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345
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+ goto errLabel;
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346
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+
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347
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+ hp->h = p;
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348
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+
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349
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+ errLabel:
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350
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+ if( rc != kOkDlRC )
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351
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+ _cmDListFree(p);
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352
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+
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353
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+ return rc;
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354
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+}
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355
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+
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356
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+cmDlRC_t cmDListFree( cmDListH_t* hp )
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|
357
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+{
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358
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+ cmDlRC_t rc;
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359
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+
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360
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+ if( hp==NULL || cmDListIsValid(*hp)==false)
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361
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+ return kOkDlRC;
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362
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+
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363
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+ cmDList_t* p = _cmDListHandleToPtr(*hp);
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364
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+
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365
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+ if((rc = _cmDListFree(p)) != kOkDlRC )
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366
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+ return rc;
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367
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+
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368
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+ hp->h = NULL;
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369
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+
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370
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+ return rc;
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371
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+}
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|
372
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+
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373
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+bool cmDListIsValid( cmDListH_t h )
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|
374
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+{ return h.h != NULL; }
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|
375
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+
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376
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+cmDlRC_t cmDListInsert( cmDListH_t h, const void* recd, unsigned recdByteN )
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|
377
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+{
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|
378
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+ cmDList_t* p = _cmDListHandleToPtr(h);
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|
379
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+ char* vp = cmMemAllocZ(char,sizeof(cmDListRecd_t) + recdByteN );
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380
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+ cmDListRecd_t* r = (cmDListRecd_t*)vp;
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381
|
+
|
|
382
|
+ r->dV = r + 1;
|
|
383
|
+ r->dN = recdByteN;
|
|
384
|
+ memcpy( r->dV, recd, recdByteN );
|
|
385
|
+
|
|
386
|
+ // Add records at the end of the list.
|
|
387
|
+
|
|
388
|
+ // If the list is not empty
|
|
389
|
+ if( p->last != NULL )
|
|
390
|
+ p->last->next = r;
|
|
391
|
+ else
|
|
392
|
+ {
|
|
393
|
+ // The list was empty
|
|
394
|
+ assert( p->first == NULL );
|
|
395
|
+ p->first = r;
|
|
396
|
+ }
|
|
397
|
+
|
|
398
|
+ r->prev = p->last;
|
|
399
|
+ r->next = NULL;
|
|
400
|
+ p->last = r;
|
|
401
|
+ p->recdN += 1;
|
|
402
|
+
|
|
403
|
+ // update the indexes
|
|
404
|
+ cmDListIndex_t* x = p->indexes;
|
|
405
|
+ for(; x!=NULL; x=x->link)
|
|
406
|
+ {
|
|
407
|
+ _cmDListIndexAllocRecds(x,1);
|
|
408
|
+ _cmDListIndexUpdate(p,x);
|
|
409
|
+ }
|
|
410
|
+
|
|
411
|
+ return kOkDlRC;
|
|
412
|
+}
|
|
413
|
+
|
|
414
|
+cmDlRC_t cmDListDelete( cmDListH_t h, const void* recd )
|
|
415
|
+{
|
|
416
|
+ cmDList_t* p = _cmDListHandleToPtr(h);
|
|
417
|
+ cmDListIndex_t* x = p->indexes;
|
|
418
|
+ cmDListIndexRecd_t* s = NULL;
|
|
419
|
+ cmDListRecd_t* r = NULL;
|
|
420
|
+
|
|
421
|
+ for(; x!=NULL; x=x->link)
|
|
422
|
+ {
|
|
423
|
+ for(s=x->first; s!=NULL; s=s->next)
|
|
424
|
+ if( s->r->dV == recd )
|
|
425
|
+ {
|
|
426
|
+ if( r == NULL )
|
|
427
|
+ r = s->r;
|
|
428
|
+ else
|
|
429
|
+ {
|
|
430
|
+ // the same data record should be found for all indexes
|
|
431
|
+ assert( s->r == r );
|
|
432
|
+ }
|
|
433
|
+
|
|
434
|
+ _cmDListIndexRecdFree(x,s);
|
|
435
|
+
|
|
436
|
+ break;
|
|
437
|
+ }
|
|
438
|
+
|
|
439
|
+ if( r == NULL )
|
|
440
|
+ return cmErrMsg(&p->err,kDataRecdNotFoundDlRC,"The delete target data record could not be found.");
|
|
441
|
+
|
|
442
|
+ // if the indexes are valid then the recd should always be found
|
|
443
|
+ assert( s!=NULL );
|
|
444
|
+ }
|
|
445
|
+
|
|
446
|
+ // release the data record
|
|
447
|
+ _cmDListRecdFree(p,r);
|
|
448
|
+
|
|
449
|
+ return kOkDlRC;
|
|
450
|
+
|
|
451
|
+}
|
|
452
|
+
|
|
453
|
+cmDlRC_t cmDListIndexAlloc( cmDListH_t h, unsigned indexId, cmDListCmpFunc_t func, void* funcArg )
|
|
454
|
+{
|
|
455
|
+ cmDList_t* p = _cmDListHandleToPtr(h);
|
|
456
|
+ return _cmDListIndexAlloc(p,indexId,func,funcArg);
|
|
457
|
+}
|
|
458
|
+
|
|
459
|
+cmDlRC_t cmDListIndexFree( cmDListH_t h, unsigned indexId )
|
|
460
|
+{
|
|
461
|
+ cmDList_t* p = _cmDListHandleToPtr(h);
|
|
462
|
+ cmDListIndex_t* x;
|
|
463
|
+ if((x = _cmDListIdToIndex(p,indexId)) == NULL )
|
|
464
|
+ return cmErrMsg(&p->err,kInvalidIndexDlRC,"The indexId '%i' could not be found.",indexId);
|
|
465
|
+
|
|
466
|
+ _cmDListIndexFree(p,x);
|
|
467
|
+
|
|
468
|
+ return kOkDlRC;
|
|
469
|
+}
|
|
470
|
+
|
|
471
|
+cmDlRC_t cmDListIndexSetFreeFunc(cmDListH_t h, unsigned indexId, cmDListIndexFreeFunc_t func )
|
|
472
|
+{
|
|
473
|
+ cmDList_t* p = _cmDListHandleToPtr(h);
|
|
474
|
+ cmDListIndex_t* x;
|
|
475
|
+ if((x = _cmDListIdToIndex(p,indexId)) == NULL )
|
|
476
|
+ return cmErrMsg(&p->err,kInvalidIndexDlRC,"The indexId '%i' could not be found.",indexId);
|
|
477
|
+
|
|
478
|
+ x->freeFunc = func;
|
|
479
|
+ return kOkDlRC;
|
|
480
|
+}
|
|
481
|
+
|
|
482
|
+
|
|
483
|
+cmDListIter_t* _cmDListIterHandleToPtr( cmDListIterH_t h )
|
|
484
|
+{
|
|
485
|
+ cmDListIter_t* e = (cmDListIter_t*)h.h;
|
|
486
|
+ assert(e != NULL );
|
|
487
|
+ return e;
|
|
488
|
+}
|
|
489
|
+
|
|
490
|
+cmDlRC_t cmDListIterAlloc( cmDListH_t h, cmDListIterH_t* iHp, unsigned indexId )
|
|
491
|
+{
|
|
492
|
+ cmDlRC_t rc = kOkDlRC;
|
|
493
|
+ cmDList_t* p = _cmDListHandleToPtr(h);
|
|
494
|
+ cmDListIndex_t* x;
|
|
495
|
+
|
|
496
|
+ if((rc = cmDListIterFree(iHp)) != kOkDlRC )
|
|
497
|
+ return rc;
|
|
498
|
+
|
|
499
|
+ if((x = _cmDListIdToIndex(p, indexId)) == NULL )
|
|
500
|
+ return cmErrMsg(&p->err,kInvalidIndexDlRC,"The indexId '%i' could not be found.",indexId);
|
|
501
|
+
|
|
502
|
+ cmDListIter_t* e = cmMemAllocZ(cmDListIter_t,1);
|
|
503
|
+
|
|
504
|
+ e->p = p;
|
|
505
|
+ e->x = x;
|
|
506
|
+ e->s = x->first;
|
|
507
|
+ e->link = p->iters;
|
|
508
|
+ p->iters = e;
|
|
509
|
+
|
|
510
|
+ iHp->h = e;
|
|
511
|
+
|
|
512
|
+ return rc;
|
|
513
|
+
|
|
514
|
+}
|
|
515
|
+
|
|
516
|
+cmDlRC_t cmDListIterFree( cmDListIterH_t* iHp )
|
|
517
|
+{
|
|
518
|
+ cmDlRC_t rc;
|
|
519
|
+
|
|
520
|
+ if( iHp==NULL || cmDListIterIsValid(*iHp)==false )
|
|
521
|
+ return kOkDlRC;
|
|
522
|
+
|
|
523
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(*iHp);
|
|
524
|
+
|
|
525
|
+ if(( rc = _cmDListIterFree( e )) != kOkDlRC )
|
|
526
|
+ return rc;
|
|
527
|
+
|
|
528
|
+ iHp->h = NULL;
|
|
529
|
+
|
|
530
|
+ return rc;
|
|
531
|
+}
|
|
532
|
+
|
|
533
|
+bool cmDListIterIsValid( cmDListIterH_t iH )
|
|
534
|
+{ return iH.h != NULL; }
|
|
535
|
+
|
|
536
|
+
|
|
537
|
+cmDlRC_t cmDListIterSeekBegin( cmDListIterH_t iH )
|
|
538
|
+{
|
|
539
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
540
|
+ e->s = e->x->first;
|
|
541
|
+ return kOkDlRC;
|
|
542
|
+}
|
|
543
|
+
|
|
544
|
+cmDlRC_t cmDListIterSeekLast( cmDListIterH_t iH )
|
|
545
|
+{
|
|
546
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
547
|
+ e->s = e->x->last;
|
|
548
|
+ return kOkDlRC;
|
|
549
|
+}
|
|
550
|
+
|
|
551
|
+const void* _cmDListIterGet( cmDListIter_t* e, unsigned* recdByteNRef )
|
|
552
|
+{
|
|
553
|
+ if( e->s == NULL )
|
|
554
|
+ {
|
|
555
|
+ if( recdByteNRef != NULL )
|
|
556
|
+ *recdByteNRef = 0;
|
|
557
|
+ return NULL;
|
|
558
|
+ }
|
|
559
|
+
|
|
560
|
+ if( recdByteNRef != NULL )
|
|
561
|
+ *recdByteNRef = e->s->r->dN;
|
|
562
|
+
|
|
563
|
+ return e->s->r->dN==0 ? NULL : e->s->r->dV;
|
|
564
|
+}
|
|
565
|
+
|
|
566
|
+const void* cmDListIterGet( cmDListIterH_t iH, unsigned* recdByteNRef )
|
|
567
|
+{
|
|
568
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
569
|
+
|
|
570
|
+ return _cmDListIterGet(e,recdByteNRef);
|
|
571
|
+}
|
|
572
|
+
|
|
573
|
+const void* cmDListIterPrev( cmDListIterH_t iH, unsigned* recdByteNRef )
|
|
574
|
+{
|
|
575
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
576
|
+ const void* rv = _cmDListIterGet(e,recdByteNRef);
|
|
577
|
+
|
|
578
|
+ if( e->s != NULL )
|
|
579
|
+ e->s = e->s->prev;
|
|
580
|
+
|
|
581
|
+ return rv;
|
|
582
|
+}
|
|
583
|
+
|
|
584
|
+const void* cmDListIterNext( cmDListIterH_t iH, unsigned* recdByteNRef )
|
|
585
|
+{
|
|
586
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
587
|
+ const void* rv = _cmDListIterGet(e,recdByteNRef);
|
|
588
|
+
|
|
589
|
+ if( e->s != NULL )
|
|
590
|
+ e->s = e->s->next;
|
|
591
|
+
|
|
592
|
+ return rv;
|
|
593
|
+}
|
|
594
|
+
|
|
595
|
+const void* cmDListIterFind( cmDListIterH_t iH, const void* key, unsigned keyN, unsigned* recdByteNRef)
|
|
596
|
+{
|
|
597
|
+ cmDListIter_t* e = _cmDListIterHandleToPtr(iH);
|
|
598
|
+
|
|
599
|
+ cmDListIndexRecd_t* s = e->s;
|
|
600
|
+
|
|
601
|
+ for(; s!=NULL; s=s->next)
|
|
602
|
+ if( e->x->cmpFunc( e->x->funcArg, s->r->dV, s->r->dN, key, keyN ) == 0 )
|
|
603
|
+ {
|
|
604
|
+ e->s = s;
|
|
605
|
+ return _cmDListIterGet(e,recdByteNRef);
|
|
606
|
+ }
|
|
607
|
+
|
|
608
|
+ if( recdByteNRef != NULL )
|
|
609
|
+ *recdByteNRef = 0;
|
|
610
|
+
|
|
611
|
+ return NULL;
|
|
612
|
+}
|