/*
** Close a fuzzer cursor.
*/
static int fuzzerClose(ref sqlite3_vtab_cursor cur)
{
fuzzer_cursor pCur = (fuzzer_cursor)cur;
fuzzerClearCursor(pCur, 0);
//sqlite3_free(pCur.zBuf);
pCur.pVtab.nCursor--;
cur = null;//sqlite3_free( pCur );
return(SQLITE_OK);
}
/*
** Free up all the memory allocated by a cursor. Set it rLimit to 0
** to indicate that it is at EOF.
*/
static void fuzzerClearCursor(fuzzer_cursor pCur, int clearHash)
{
int i;
fuzzerClearStemList(ref pCur.pStem);
fuzzerClearStemList(ref pCur.pDone);
for (i = 0; i < FUZZER_NQUEUE; i++)
{
fuzzerClearStemList(ref pCur.aQueue[i]);
}
pCur.rLimit = (fuzzer_cost)0;
if (clearHash != 0 && pCur.nStem != 0)
{
pCur.mxQueue = 0;
pCur.pStem = null;
pCur.pDone = null;
Array.Clear(pCur.aQueue, 0, pCur.aQueue.Length); //memset(pCur.aQueue, 0, sizeof(pCur.aQueue));
Array.Clear(pCur.apHash, 0, pCur.apHash.Length); //memset(pCur.apHash, 0, sizeof(pCur.apHash));
}
pCur.nStem = 0;
}
/*
** Open a new fuzzer cursor.
*/
static int fuzzerOpen(sqlite3_vtab pVTab, out sqlite3_vtab_cursor ppCursor)
{
fuzzer_vtab p = (fuzzer_vtab)pVTab;
fuzzer_cursor pCur;
pCur = new fuzzer_cursor();//= sqlite3_malloc( sizeof(pCur) );
///if( pCur==0 ) return SQLITE_NOMEM;
//memset(pCur, 0, sizeof(pCur));
pCur.pVtab = p;
ppCursor = pCur;
if (p.nCursor == 0 && p.pNewRule != null)
{
uint i;
fuzzer_rule pX;
fuzzer_rule[] a = new fuzzer_rule[15];
//for(i=0; i<sizeof(a)/sizeof(a[0]); i++) a[i] = 0;
while ((pX = p.pNewRule) != null)
{
p.pNewRule = pX.pNext;
pX.pNext = null;
for (i = 0; a[i] != null && i < a.Length; i++)//<sizeof(a)/sizeof(a[0])-1; i++)
{
pX = fuzzerMergeRules(a[i], pX);
a[i] = null;
}
a[i] = fuzzerMergeRules(a[i], pX);
}
for (pX = a[0], i = 1; i < a.Length; i++)//sizeof(a)/sizeof(a[0]); i++)
{
pX = fuzzerMergeRules(a[i], pX);
}
p.pRule = fuzzerMergeRules(p.pRule, pX);
}
p.nCursor++;
return(SQLITE_OK);
}
/*
** Free up all the memory allocated by a cursor. Set it rLimit to 0
** to indicate that it is at EOF.
*/
static void fuzzerClearCursor( fuzzer_cursor pCur, int clearHash )
{
int i;
fuzzerClearStemList( ref pCur.pStem );
fuzzerClearStemList( ref pCur.pDone );
for ( i = 0; i < FUZZER_NQUEUE; i++ )
fuzzerClearStemList( ref pCur.aQueue[i] );
pCur.rLimit = (fuzzer_cost)0;
if ( clearHash != 0 && pCur.nStem != 0 )
{
pCur.mxQueue = 0;
pCur.pStem = null;
pCur.pDone = null;
Array.Clear( pCur.aQueue, 0, pCur.aQueue.Length );//memset(pCur.aQueue, 0, sizeof(pCur.aQueue));
Array.Clear( pCur.apHash, 0, pCur.apHash.Length );//memset(pCur.apHash, 0, sizeof(pCur.apHash));
}
pCur.nStem = 0;
}
/*
** Open a new fuzzer cursor.
*/
static int fuzzerOpen( sqlite3_vtab pVTab, out sqlite3_vtab_cursor ppCursor )
{
fuzzer_vtab p = (fuzzer_vtab)pVTab;
fuzzer_cursor pCur;
pCur = new fuzzer_cursor();//= sqlite3_malloc( sizeof(pCur) );
///if( pCur==0 ) return SQLITE_NOMEM;
//memset(pCur, 0, sizeof(pCur));
pCur.pVtab = p;
ppCursor = pCur;
if ( p.nCursor == 0 && p.pNewRule != null )
{
uint i;
fuzzer_rule pX;
fuzzer_rule[] a = new fuzzer_rule[15];
//for(i=0; i<sizeof(a)/sizeof(a[0]); i++) a[i] = 0;
while ( ( pX = p.pNewRule ) != null )
{
p.pNewRule = pX.pNext;
pX.pNext = null;
for ( i = 0; a[i] != null && i < a.Length; i++ )//<sizeof(a)/sizeof(a[0])-1; i++)
{
pX = fuzzerMergeRules( a[i], pX );
a[i] = null;
}
a[i] = fuzzerMergeRules( a[i], pX );
}
for ( pX = a[0], i = 1; i < a.Length; i++ )//sizeof(a)/sizeof(a[0]); i++)
{
pX = fuzzerMergeRules( a[i], pX );
}
p.pRule = fuzzerMergeRules( p.pRule, pX );
}
p.nCursor++;
return SQLITE_OK;
}
