internal static SQLiteValue[] ArrayFromSizeAndIntPtr(int argc, IntPtr argv) { SQLiteValue sQLiteValue; if (argc < 0) { return(null); } if (argv == IntPtr.Zero) { return(null); } SQLiteValue[] sQLiteValueArray = new SQLiteValue[argc]; int num = 0; int size = 0; while (num < (int)sQLiteValueArray.Length) { IntPtr intPtr = SQLiteMarshal.ReadIntPtr(argv, size); SQLiteValue[] sQLiteValueArray1 = sQLiteValueArray; int num1 = num; if (intPtr != IntPtr.Zero) { sQLiteValue = new SQLiteValue(intPtr); } else { sQLiteValue = null; } sQLiteValueArray1[num1] = sQLiteValue; num++; size += IntPtr.Size; } return(sQLiteValueArray); }
public static string[] StringArrayFromUtf8SizeAndIntPtr(int argc, IntPtr argv) { string str; if (argc < 0) { return(null); } if (argv == IntPtr.Zero) { return(null); } string[] strArrays = new string[argc]; int num = 0; int size = 0; while (num < (int)strArrays.Length) { IntPtr intPtr = SQLiteMarshal.ReadIntPtr(argv, size); string[] strArrays1 = strArrays; int num1 = num; if (intPtr != IntPtr.Zero) { str = SQLiteString.StringFromUtf8IntPtr(intPtr); } else { str = null; } strArrays1[num1] = str; num++; size += IntPtr.Size; } return(strArrays); }
private static void FreeNative(IntPtr pIndex) { if (pIndex == IntPtr.Zero) { return; } int num = 0; num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); IntPtr zero = SQLiteMarshal.ReadIntPtr(pIndex, num); int num1 = num; num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); IntPtr intPtr = SQLiteMarshal.ReadIntPtr(pIndex, num); int num2 = num; num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, IntPtr.Size); IntPtr zero1 = SQLiteMarshal.ReadIntPtr(pIndex, num); int num3 = num; if (zero1 != IntPtr.Zero) { SQLiteMemory.Free(zero1); zero1 = IntPtr.Zero; SQLiteMarshal.WriteIntPtr(pIndex, num3, zero1); } if (intPtr != IntPtr.Zero) { SQLiteMemory.Free(intPtr); intPtr = IntPtr.Zero; SQLiteMarshal.WriteIntPtr(pIndex, num2, intPtr); } if (zero != IntPtr.Zero) { SQLiteMemory.Free(zero); zero = IntPtr.Zero; SQLiteMarshal.WriteIntPtr(pIndex, num1, zero); } if (pIndex != IntPtr.Zero) { SQLiteMemory.Free(pIndex); pIndex = IntPtr.Zero; } }
internal static void ToIntPtr(SQLiteIndex index, IntPtr pIndex, bool includeInput) { if (index == null) { return; } SQLiteIndexOutputs outputs = index.Outputs; if (outputs == null) { return; } SQLiteIndexConstraintUsage[] constraintUsages = outputs.ConstraintUsages; if (constraintUsages == null) { return; } SQLiteIndexInputs inputs = null; SQLiteIndexConstraint[] constraints = null; SQLiteIndexOrderBy[] orderBys = null; if (includeInput) { inputs = index.Inputs; if (inputs == null) { return; } constraints = inputs.Constraints; if (constraints == null) { return; } orderBys = inputs.OrderBys; if (orderBys == null) { return; } } if (pIndex == IntPtr.Zero) { return; } int num = 0; int num1 = SQLiteMarshal.ReadInt32(pIndex, num); if (includeInput && num1 != (int)constraints.Length) { return; } if (num1 != (int)constraintUsages.Length) { return; } num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); if (includeInput) { IntPtr intPtr = SQLiteMarshal.ReadIntPtr(pIndex, num); int num2 = Marshal.SizeOf(typeof(UnsafeNativeMethods.sqlite3_index_constraint)); for (int i = 0; i < num1; i++) { UnsafeNativeMethods.sqlite3_index_constraint sqlite3IndexConstraint = new UnsafeNativeMethods.sqlite3_index_constraint(constraints[i]); Marshal.StructureToPtr(sqlite3IndexConstraint, SQLiteMarshal.IntPtrForOffset(intPtr, i * num2), false); } } num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); int num3 = (includeInput ? SQLiteMarshal.ReadInt32(pIndex, num) : 0); if (includeInput && num3 != (int)orderBys.Length) { return; } num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); if (includeInput) { IntPtr intPtr1 = SQLiteMarshal.ReadIntPtr(pIndex, num); int num4 = Marshal.SizeOf(typeof(UnsafeNativeMethods.sqlite3_index_orderby)); for (int j = 0; j < num3; j++) { UnsafeNativeMethods.sqlite3_index_orderby sqlite3IndexOrderby = new UnsafeNativeMethods.sqlite3_index_orderby(orderBys[j]); Marshal.StructureToPtr(sqlite3IndexOrderby, SQLiteMarshal.IntPtrForOffset(intPtr1, j * num4), false); } } num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, IntPtr.Size); IntPtr intPtr2 = SQLiteMarshal.ReadIntPtr(pIndex, num); int num5 = Marshal.SizeOf(typeof(UnsafeNativeMethods.sqlite3_index_constraint_usage)); for (int k = 0; k < num1; k++) { UnsafeNativeMethods.sqlite3_index_constraint_usage sqlite3IndexConstraintUsage = new UnsafeNativeMethods.sqlite3_index_constraint_usage(constraintUsages[k]); Marshal.StructureToPtr(sqlite3IndexConstraintUsage, SQLiteMarshal.IntPtrForOffset(intPtr2, k * num5), false); } num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); SQLiteMarshal.WriteInt32(pIndex, num, outputs.IndexNumber); num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); SQLiteMarshal.WriteIntPtr(pIndex, num, SQLiteString.Utf8IntPtrFromString(outputs.IndexString)); num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); SQLiteMarshal.WriteInt32(pIndex, num, (outputs.NeedToFreeIndexString != 0 ? outputs.NeedToFreeIndexString : 1)); num = SQLiteMarshal.NextOffsetOf(num, 4, 4); SQLiteMarshal.WriteInt32(pIndex, num, outputs.OrderByConsumed); num = SQLiteMarshal.NextOffsetOf(num, 4, 8); if (outputs.EstimatedCost.HasValue) { SQLiteMarshal.WriteDouble(pIndex, num, outputs.EstimatedCost.GetValueOrDefault()); } num = SQLiteMarshal.NextOffsetOf(num, 8, 8); if (outputs.CanUseEstimatedRows() && outputs.EstimatedRows.HasValue) { SQLiteMarshal.WriteInt64(pIndex, num, outputs.EstimatedRows.GetValueOrDefault()); } num = SQLiteMarshal.NextOffsetOf(num, 8, 4); if (outputs.CanUseIndexFlags() && outputs.IndexFlags.HasValue) { SQLiteMarshal.WriteInt32(pIndex, num, (int)outputs.IndexFlags.GetValueOrDefault()); } num = SQLiteMarshal.NextOffsetOf(num, 4, 8); if (outputs.CanUseColumnsUsed() && outputs.ColumnsUsed.HasValue) { SQLiteMarshal.WriteInt64(pIndex, num, outputs.ColumnsUsed.GetValueOrDefault()); } }
internal static void FromIntPtr(IntPtr pIndex, bool includeOutput, ref SQLiteIndex index) { if (pIndex == IntPtr.Zero) { return; } int num = 0; int num1 = SQLiteMarshal.ReadInt32(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); IntPtr intPtr = SQLiteMarshal.ReadIntPtr(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); int num2 = SQLiteMarshal.ReadInt32(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); IntPtr intPtr1 = SQLiteMarshal.ReadIntPtr(pIndex, num); IntPtr zero = IntPtr.Zero; if (includeOutput) { num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, IntPtr.Size); zero = SQLiteMarshal.ReadIntPtr(pIndex, num); } index = new SQLiteIndex(num1, num2); SQLiteIndexInputs inputs = index.Inputs; if (inputs == null) { return; } SQLiteIndexConstraint[] constraints = inputs.Constraints; if (constraints == null) { return; } SQLiteIndexOrderBy[] orderBys = inputs.OrderBys; if (orderBys == null) { return; } Type type = typeof(UnsafeNativeMethods.sqlite3_index_constraint); int num3 = Marshal.SizeOf(type); for (int i = 0; i < num1; i++) { IntPtr intPtr2 = SQLiteMarshal.IntPtrForOffset(intPtr, i * num3); UnsafeNativeMethods.sqlite3_index_constraint structure = (UnsafeNativeMethods.sqlite3_index_constraint)Marshal.PtrToStructure(intPtr2, type); constraints[i] = new SQLiteIndexConstraint(structure); } Type type1 = typeof(UnsafeNativeMethods.sqlite3_index_orderby); int num4 = Marshal.SizeOf(type1); for (int j = 0; j < num2; j++) { IntPtr intPtr3 = SQLiteMarshal.IntPtrForOffset(intPtr1, j * num4); UnsafeNativeMethods.sqlite3_index_orderby sqlite3IndexOrderby = (UnsafeNativeMethods.sqlite3_index_orderby)Marshal.PtrToStructure(intPtr3, type1); orderBys[j] = new SQLiteIndexOrderBy(sqlite3IndexOrderby); } if (includeOutput) { SQLiteIndexOutputs outputs = index.Outputs; if (outputs == null) { return; } SQLiteIndexConstraintUsage[] constraintUsages = outputs.ConstraintUsages; if (constraintUsages == null) { return; } Type type2 = typeof(UnsafeNativeMethods.sqlite3_index_constraint_usage); int num5 = Marshal.SizeOf(type2); for (int k = 0; k < num1; k++) { IntPtr intPtr4 = SQLiteMarshal.IntPtrForOffset(zero, k * num5); UnsafeNativeMethods.sqlite3_index_constraint_usage sqlite3IndexConstraintUsage = (UnsafeNativeMethods.sqlite3_index_constraint_usage)Marshal.PtrToStructure(intPtr4, type2); constraintUsages[k] = new SQLiteIndexConstraintUsage(sqlite3IndexConstraintUsage); } num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); outputs.IndexNumber = SQLiteMarshal.ReadInt32(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, 4, IntPtr.Size); outputs.IndexString = SQLiteString.StringFromUtf8IntPtr(SQLiteMarshal.ReadIntPtr(pIndex, num)); num = SQLiteMarshal.NextOffsetOf(num, IntPtr.Size, 4); outputs.NeedToFreeIndexString = SQLiteMarshal.ReadInt32(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, 4, 4); outputs.OrderByConsumed = SQLiteMarshal.ReadInt32(pIndex, num); num = SQLiteMarshal.NextOffsetOf(num, 4, 8); outputs.EstimatedCost = new double?(SQLiteMarshal.ReadDouble(pIndex, num)); num = SQLiteMarshal.NextOffsetOf(num, 8, 8); if (outputs.CanUseEstimatedRows()) { outputs.EstimatedRows = new long?(SQLiteMarshal.ReadInt64(pIndex, num)); } num = SQLiteMarshal.NextOffsetOf(num, 8, 4); if (outputs.CanUseIndexFlags()) { outputs.IndexFlags = new SQLiteIndexFlags?((SQLiteIndexFlags)SQLiteMarshal.ReadInt32(pIndex, num)); } num = SQLiteMarshal.NextOffsetOf(num, 4, 8); if (outputs.CanUseColumnsUsed()) { outputs.ColumnsUsed = new long?(SQLiteMarshal.ReadInt64(pIndex, num)); } } }