protected bool leftSideDisplay_; // later it can be modified
/// <summary>
/// Initializes a new instance with the specified name, offset and size.
/// </summary>
/// <param name="name">The colum name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <param name="size">The column size in bytes.</param>
/// <param name="encoding">The encoding of column's content bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 1 or <paramref name="size"/> is < 1.</exception>
protected internal Column(string name, NativeColumnType dbfType, int offset, short size, short dec, Encoding encoding)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
if (offset < 0)
{
throw new ArgumentOutOfRangeException("offset");
}
if (size < 1)
{
throw new ArgumentOutOfRangeException("size");
}
this.name_ = name;
this.dbfType_ = dbfType;
this.offset_ = offset;
this.size_ = size;
this.dec_ = dec;
this.encoding_ = encoding;
displayWidth_ = size; // good for a few types of colums (for example string, bool)
leftSideDisplay_ = true;
switch (dbfType)
{
case NativeColumnType.Date:
displayWidth_ = 10; // yyyy.mm.dd
break;
case NativeColumnType.Memo:
displayWidth_ = 30; // only a value, maybe good
break;
case NativeColumnType.Float:
case NativeColumnType.Numeric:
//if (dec > 0)
//{
// displayWidth_++; // for decimal dot
//}
leftSideDisplay_ = false;
break;
case NativeColumnType.Double:
displayWidth_ = 18;
leftSideDisplay_ = false;
break;
case NativeColumnType.Long:
displayWidth_ = 11; // -2000000000
leftSideDisplay_ = false;
break;
}
}
public static bool IsValidType(NativeColumnType dbfType, bool?dBase3column = null)
{
bool dbf3col = dBase3column ?? dBase3columnDefault;
if (dbf3col)
{
if ((dbfType == NativeColumnType.Long) || (dbfType == NativeColumnType.Float))
{
return(false);
}
}
return(true);
}
private ColumnDefinitionForCreateTable(string name, NativeColumnType dbfType, short size, short dec = 0, bool?dBase3column = null)
{
bool dbf3col = dBase3column ?? dBase3columnDefault;
if (!IsValidName(name, onlyUppercaseNameValid, dbf3col))
{
throw new ArgumentOutOfRangeException("name", "Invalid name (character set, length, etc.) !");
}
if (size < 1)
{
throw new ArgumentOutOfRangeException("size");
}
if (!IsValidType(dbfType, dbf3col))
{
throw new ArgumentOutOfRangeException("name", "Invalid type for dBaseIII! [" + dbfType.ToString() + "]");
}
this.name_ = name;
this.dbfType_ = dbfType;
this.size_ = size;
this.dec_ = dec;
}
/// <summary>
/// Initializes a new instance with the specified name and offset.
/// </summary>
/// <param name="name">The column name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 0.</exception>
public DoubleColumn(string name, NativeColumnType dbfType, int offset)
: base(name, dbfType, offset, 8, 0, null)
{
}
/// <summary>
/// Initializes a new instance with the specified name and offset.
/// </summary>
/// <param name="name">The column name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <param name="size">The column size in bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 0 or <paramref name="size"/> is < 0.</exception>
public MemoColumn(string name, NativeColumnType dbfType, int offset, short size, short dec, Encoding encoding)
: base(name, dbfType, offset, size, dec, encoding)
{
}
/// <summary>
/// Initializes a new instance with the specified name and offset.
/// </summary>
/// <param name="name">The column name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <param name="size">The column size in bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 0 or <paramref name="size"/> is < 0.</exception>
public DecimalColumn(string name, NativeColumnType dbfType, int offset, short size, short dec)
: base(name, dbfType, offset, size, dec, null)
{
}
/// <summary>
/// Initializes a new instance with the specified name and offset.
/// </summary>
/// <param name="name">The column name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 0.</exception>
public Int32Column(string name, NativeColumnType dbfType, int offset)
: base(name, dbfType, offset, 4, 0, null)
{
}
/// <summary>
/// Initializes a new instance with the specified name and offset.
/// </summary>
/// <param name="name">The column name.</param>
/// <param name="offset">The column offset in a row in bytes.</param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c> or empty.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="offset"/> is < 0.</exception>
public BooleanColumn(string name, NativeColumnType dbfType, int offset)
: base(name, dbfType, offset, 1, 0, null) // fix size: 1
{
}
