private void SetBuffer(char[] buffer)
{
this.m_rgchBuf = buffer;
this.m_lCurLen = (this.m_rgchBuf == null) ? -1L : ((long)this.m_rgchBuf.Length);
this.m_stream = null;
this.m_state = (this.m_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
}
// Copy the data from the Stream to the array buffer.
// If the SqlChars doesn't hold a buffer or the buffer
// is not big enough, allocate new char array.
private void CopyStreamToBuffer()
{
Debug.Assert(FStream());
long lStreamLen = m_stream.Length;
if (lStreamLen >= x_lMaxLen)
{
throw new SqlTypeException(Res.GetString(Res.SqlMisc_BufferInsufficientMessage));
}
if (m_rgchBuf == null || m_rgchBuf.Length < lStreamLen)
{
m_rgchBuf = new char[lStreamLen];
}
if (m_stream.Position != 0)
{
m_stream.Seek(0, SeekOrigin.Begin);
}
m_stream.Read(m_rgchBuf, 0, (int)lStreamLen);
m_stream = null;
_lCurLen = lStreamLen;
_state = SqlBytesCharsState.Buffer;
AssertValid();
}
// --------------------------------------------------------------
// Public methods
// --------------------------------------------------------------
public void SetNull()
{
_lCurLen = x_lNull;
m_stream = null;
_state = SqlBytesCharsState.Null;
AssertValid();
}
internal SqlChars(SqlStreamChars s)
{
this.m_rgchBuf = null;
this.m_lCurLen = -1L;
this.m_stream = s;
this.m_state = (s == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Stream;
this.m_rgchWorkBuf = null;
}
internal SqlChars(SqlStreamChars s)
{
this.m_rgchBuf = null;
this.m_lCurLen = -1L;
this.m_stream = s;
this.m_state = (s == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Stream;
this.m_rgchWorkBuf = null;
}
private void SetBuffer(char[] buffer)
{
_rgchBuf = buffer;
_lCurLen = (_rgchBuf == null) ? x_lNull : _rgchBuf.Length;
_stream = null;
_state = (_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
AssertValid();
}
private void SetBuffer(char[] buffer)
{
m_rgchBuf = buffer;
m_lCurLen = (m_rgchBuf == null) ? x_lNull : (long)m_rgchBuf.Length;
m_stream = null;
m_state = (m_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
AssertValid();
}
// Create a SqlChars from a SqlStreamChars
internal SqlChars(SqlStreamChars s)
{
m_rgchBuf = null;
_lCurLen = x_lNull;
m_stream = s;
_state = (s == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Stream;
_rgchWorkBuf = null;
AssertValid();
}
// Create a SqlChars from a SqlStreamChars
internal SqlChars(SqlStreamChars s)
{
m_rgchBuf = null;
_lCurLen = x_lNull;
m_stream = s;
_state = (s == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Stream;
_rgchWorkBuf = null;
AssertValid();
}
public SqlChars(char[] buffer)
{
this.m_rgchBuf = buffer;
this.m_stream = null;
if (this.m_rgchBuf == null)
{
this.m_state = SqlBytesCharsState.Null;
this.m_lCurLen = -1L;
}
else
{
this.m_state = SqlBytesCharsState.Buffer;
this.m_lCurLen = this.m_rgchBuf.Length;
}
this.m_rgchWorkBuf = null;
}
private SqlChars(SerializationInfo info, StreamingContext context)
{
this.m_stream = null;
this.m_rgchWorkBuf = null;
if (info.GetBoolean("IsNull"))
{
this.m_state = SqlBytesCharsState.Null;
this.m_rgchBuf = null;
}
else
{
this.m_state = SqlBytesCharsState.Buffer;
this.m_rgchBuf = (char[])info.GetValue("data", typeof(char[]));
this.m_lCurLen = this.m_rgchBuf.Length;
}
}
public SqlChars(char[] buffer)
{
this.m_rgchBuf = buffer;
this.m_stream = null;
if (this.m_rgchBuf == null)
{
this.m_state = SqlBytesCharsState.Null;
this.m_lCurLen = -1L;
}
else
{
this.m_state = SqlBytesCharsState.Buffer;
this.m_lCurLen = this.m_rgchBuf.Length;
}
this.m_rgchWorkBuf = null;
}
private SqlChars(SerializationInfo info, StreamingContext context)
{
this.m_stream = null;
this.m_rgchWorkBuf = null;
if (info.GetBoolean("IsNull"))
{
this.m_state = SqlBytesCharsState.Null;
this.m_rgchBuf = null;
}
else
{
this.m_state = SqlBytesCharsState.Buffer;
this.m_rgchBuf = (char[]) info.GetValue("data", typeof(char[]));
this.m_lCurLen = this.m_rgchBuf.Length;
}
}
// Create a SqlChars with an in-memory buffer
public SqlChars(char[] buffer)
{
m_rgchBuf = buffer;
m_stream = null;
if (m_rgchBuf == null)
{
_state = SqlBytesCharsState.Null;
_lCurLen = x_lNull;
}
else
{
_state = SqlBytesCharsState.Buffer;
_lCurLen = (long)m_rgchBuf.Length;
}
_rgchWorkBuf = null;
AssertValid();
}
// Create a SqlChars with an in-memory buffer
public SqlChars(char[] buffer)
{
m_rgchBuf = buffer;
m_stream = null;
if (m_rgchBuf == null)
{
_state = SqlBytesCharsState.Null;
_lCurLen = x_lNull;
}
else
{
_state = SqlBytesCharsState.Buffer;
_lCurLen = (long)m_rgchBuf.Length;
}
_rgchWorkBuf = null;
AssertValid();
}
private void CopyStreamToBuffer()
{
long length = this.m_stream.Length;
if (length >= 0x7fffffffL)
{
throw new SqlTypeException(System.Data.Res.GetString("SqlMisc_BufferInsufficientMessage"));
}
if ((this.m_rgchBuf == null) || (this.m_rgchBuf.Length < length))
{
this.m_rgchBuf = new char[length];
}
if (this.m_stream.Position != 0L)
{
this.m_stream.Seek(0L, SeekOrigin.Begin);
}
this.m_stream.Read(this.m_rgchBuf, 0, (int)length);
this.m_stream = null;
this.m_lCurLen = length;
this.m_state = SqlBytesCharsState.Buffer;
}
// --------------------------------------------------------------
// Public methods
// --------------------------------------------------------------
public void SetNull() {
m_lCurLen = x_lNull;
m_stream = null;
m_state = SqlBytesCharsState.Null;
AssertValid();
}
private void CopyStreamToBuffer()
{
long length = this.m_stream.Length;
if (length >= 0x7fffffffL)
{
throw new SqlTypeException(System.Data.Res.GetString("SqlMisc_BufferInsufficientMessage"));
}
if ((this.m_rgchBuf == null) || (this.m_rgchBuf.Length < length))
{
this.m_rgchBuf = new char[length];
}
if (this.m_stream.Position != 0L)
{
this.m_stream.Seek(0L, SeekOrigin.Begin);
}
this.m_stream.Read(this.m_rgchBuf, 0, (int) length);
this.m_stream = null;
this.m_lCurLen = length;
this.m_state = SqlBytesCharsState.Buffer;
}
public void SetNull()
{
this.m_lCurLen = -1L;
this.m_stream = null;
this.m_state = SqlBytesCharsState.Null;
}
// Copy the data from the Stream to the array buffer.
// If the SqlChars doesn't hold a buffer or the buffer
// is not big enough, allocate new char array.
private void CopyStreamToBuffer() {
Debug.Assert(FStream());
long lStreamLen = m_stream.Length;
if (lStreamLen >= x_lMaxLen)
throw new SqlTypeException(Res.GetString(Res.SqlMisc_BufferInsufficientMessage));
if (m_rgchBuf == null || m_rgchBuf.Length < lStreamLen)
m_rgchBuf = new char[lStreamLen];
if (m_stream.Position != 0)
m_stream.Seek(0, SeekOrigin.Begin);
m_stream.Read(m_rgchBuf, 0, (int)lStreamLen);
m_stream = null;
m_lCurLen = lStreamLen;
m_state = SqlBytesCharsState.Buffer;
AssertValid();
}
public void SetNull()
{
this.m_lCurLen = -1L;
this.m_stream = null;
this.m_state = SqlBytesCharsState.Null;
}
private void SetBuffer(char[] buffer)
{
this.m_rgchBuf = buffer;
this.m_lCurLen = (this.m_rgchBuf == null) ? -1L : ((long) this.m_rgchBuf.Length);
this.m_stream = null;
this.m_state = (this.m_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
}
private void SetBuffer(char[] buffer)
{
_rgchBuf = buffer;
_lCurLen = (_rgchBuf == null) ? x_lNull : _rgchBuf.Length;
_stream = null;
_state = (_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
AssertValid();
}
private void SetBuffer(char[] buffer) {
m_rgchBuf = buffer;
m_lCurLen = (m_rgchBuf == null) ? x_lNull : (long)m_rgchBuf.Length;
m_stream = null;
m_state = (m_rgchBuf == null) ? SqlBytesCharsState.Null : SqlBytesCharsState.Buffer;
AssertValid();
}
public SqlChars (SqlStreamChars s)
{
notNull = true;
}
