internal static SqlBytes GetSqlBytes( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context ) {
SqlBytes result;
if ( CanAccessGetterDirectly( metaData, ExtendedClrTypeCode.SqlBytes ) ) {
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
result = SqlBytes.Null;
}
else {
long length = GetBytesLength_Unchecked( sink, getters, ordinal );
if ( 0 <= length && length < __maxByteChunkSize ) {
byte[] byteBuffer = GetByteArray_Unchecked( sink, getters, ordinal );
result = new SqlBytes( byteBuffer );
}
else {
Stream s = new SmiGettersStream( sink, getters, ordinal, metaData );
s = CopyIntoNewSmiScratchStream( s, sink, context );
result = new SqlBytes( s );
}
}
}
else {
object obj = GetSqlValue( sink, getters, ordinal, metaData, null );
if (null == obj) {
throw ADP.InvalidCast();
}
SqlBinary binaryVal = (SqlBinary) obj;
if ( binaryVal.IsNull ) {
result = SqlBytes.Null;
}
else {
result = new SqlBytes( binaryVal.Value );
}
}
return result;
}
internal static SqlChars GetSqlChars( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context ) {
SqlChars result;
if ( CanAccessGetterDirectly( metaData, ExtendedClrTypeCode.SqlChars ) ) {
if ( IsDBNull_Unchecked( sink, getters, ordinal ) ) {
result = SqlChars.Null;
}
else {
long length = GetCharsLength_Unchecked( sink, getters, ordinal );
if ( length < __maxCharChunkSize || !InOutOfProcHelper.InProc) {
char[] charBuffer = GetCharArray_Unchecked( sink, getters, ordinal );
result = new SqlChars( charBuffer );
}
else { // InProc only
Stream s = new SmiGettersStream( sink, getters, ordinal, metaData );
SqlStreamChars sc = CopyIntoNewSmiScratchStreamChars( s, sink, context );
result = new SqlChars( sc );
}
}
}
else {
SqlString stringValue;
if (SqlDbType.Xml == metaData.SqlDbType) {
SqlXml xmlValue = GetSqlXml_Unchecked( sink, getters, ordinal, null );
if (xmlValue.IsNull) {
result = SqlChars.Null;
}
else {
result = new SqlChars( xmlValue.Value.ToCharArray() );
}
}
else {
object obj = GetSqlValue( sink, getters, ordinal, metaData, null );
if (null == obj) {
throw ADP.InvalidCast();
}
stringValue = (SqlString) obj;
if ( stringValue.IsNull ) {
result = SqlChars.Null;
}
else {
result = new SqlChars( stringValue.Value.ToCharArray() );
}
}
}
return result;
}
//
// Common utility code to get lengths correct for trimming
//
private static object GetUdt_LengthChecked( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData ) {
object result;
if (IsDBNull_Unchecked(sink, getters, ordinal)) {
Type t = metaData.Type;
Debug.Assert(t != null, "Unexpected null of udtType on GetUdt_LengthChecked!");
result = t.InvokeMember("Null", BindingFlags.Public | BindingFlags.GetProperty | BindingFlags.Static, null, null, new Object[]{}, CultureInfo.InvariantCulture);
Debug.Assert(result != null);
}
else {
// Note: do not need to copy getter stream, since it will not be used beyond
// deserialization (valid lifetime of getters is limited).
Stream s = new SmiGettersStream( sink, getters, ordinal, metaData );
result = SerializationHelperSql9.Deserialize( s, metaData.Type );
}
return result;
}
private static SqlXml GetSqlXml_Unchecked( SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiContext context ) {
Debug.Assert( !IsDBNull_Unchecked( sink, getters, ordinal ) );
// allow context to be null so strongly-typed getters can use
// this method without having to pass along the almost-never-used context as a parameter
// Looking the context up like this will be slightly slower, but still correct behavior
// since it's only used to get a scratch stream.
if (null == context && InOutOfProcHelper.InProc) {
context = SmiContextFactory.Instance.GetCurrentContext(); // In the future we need to push the context checking to a higher level
}
// Note: must make a copy of getter stream, since it will be used beyond
// this method (valid lifetime of getters is limited).
Stream s = new SmiGettersStream( sink, getters, ordinal, SmiMetaData.DefaultXml );
Stream copy = ValueUtilsSmi.CopyIntoNewSmiScratchStream( s, sink, context );
SqlXml result = new SqlXml( copy );
return result;
}
private static SqlXml GetSqlXml_Unchecked(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal)
{
Debug.Assert(!IsDBNull_Unchecked(sink, getters, ordinal));
// Note: must make a copy of getter stream, since it will be used beyond
// this method (valid lifetime of getters is limited).
Stream s = new SmiGettersStream(sink, getters, ordinal, SmiMetaData.DefaultXml);
Stream copy = ValueUtilsSmi.CopyIntoNewSmiScratchStream(s, sink);
SqlXml result = new SqlXml(copy);
return result;
}
private static object GetUdt_LengthChecked(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData)
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return metaData.Type.InvokeMember("Null", BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Static, null, null, new object[0], CultureInfo.InvariantCulture);
}
Stream s = new SmiGettersStream(sink, getters, ordinal, metaData);
return SerializationHelperSql9.Deserialize(s, metaData.Type);
}
private static SqlXml GetSqlXml_Unchecked(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiContext context)
{
if ((context == null) && InOutOfProcHelper.InProc)
{
context = SmiContextFactory.Instance.GetCurrentContext();
}
Stream source = new SmiGettersStream(sink, getters, ordinal, SmiMetaData.DefaultXml);
return new SqlXml(CopyIntoNewSmiScratchStream(source, sink, context));
}
internal static SqlChars GetSqlChars(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
if (CanAccessGetterDirectly(metaData, ExtendedClrTypeCode.SqlChars))
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return SqlChars.Null;
}
if ((GetCharsLength_Unchecked(sink, getters, ordinal) < 0xfa0L) || !InOutOfProcHelper.InProc)
{
return new SqlChars(GetCharArray_Unchecked(sink, getters, ordinal));
}
Stream source = new SmiGettersStream(sink, getters, ordinal, metaData);
return new SqlChars(CopyIntoNewSmiScratchStreamChars(source, sink, context));
}
if (SqlDbType.Xml == metaData.SqlDbType)
{
SqlXml xml = GetSqlXml_Unchecked(sink, getters, ordinal, null);
if (xml.IsNull)
{
return SqlChars.Null;
}
return new SqlChars(xml.Value.ToCharArray());
}
object obj2 = GetSqlValue(sink, getters, ordinal, metaData, null);
if (obj2 == null)
{
throw ADP.InvalidCast();
}
SqlString str = (SqlString) obj2;
if (str.IsNull)
{
return SqlChars.Null;
}
return new SqlChars(str.Value.ToCharArray());
}
internal static SqlBytes GetSqlBytes(SmiEventSink_Default sink, ITypedGettersV3 getters, int ordinal, SmiMetaData metaData, SmiContext context)
{
if (CanAccessGetterDirectly(metaData, ExtendedClrTypeCode.SqlBytes))
{
if (IsDBNull_Unchecked(sink, getters, ordinal))
{
return SqlBytes.Null;
}
long num = GetBytesLength_Unchecked(sink, getters, ordinal);
if ((0L <= num) && (num < 0x1f40L))
{
return new SqlBytes(GetByteArray_Unchecked(sink, getters, ordinal));
}
Stream source = new SmiGettersStream(sink, getters, ordinal, metaData);
return new SqlBytes(CopyIntoNewSmiScratchStream(source, sink, context));
}
object obj2 = GetSqlValue(sink, getters, ordinal, metaData, null);
if (obj2 == null)
{
throw ADP.InvalidCast();
}
SqlBinary binary = (SqlBinary) obj2;
if (binary.IsNull)
{
return SqlBytes.Null;
}
return new SqlBytes(binary.Value);
}
