private Stringe(Stringe parent, int relativeOffset, int length)
{
_stref = parent._stref;
_offset = parent._offset + relativeOffset;
_length = length;
_substring = null;
}
internal Stringe(Stringe value)
{
_stref = value._stref;
_offset = value._offset;
_length = value._length;
_offset = value._offset;
_substring = value._substring;
}
internal Stringe(Stringe value)
{
_stref = value._stref;
_offset = value._offset;
_length = value._length;
_line = value._line;
_column = value._column;
_offset = value._offset;
_substring = value._substring;
}
/// <summary>
/// Creates a new stringe from the specified string.
/// </summary>
/// <param name="value">The string to turn into a stringe.</param>
public Stringe(string value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
_stref = new Stref(this, value);
_offset = 0;
_length = value.Length;
_substring = null;
}
/// <summary>
/// Creates a new stringe from the specified string.
/// </summary>
/// <param name="value">The string to turn into a stringe.</param>
public Stringe(string value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
_stref = new Stref(value);
_offset = 0;
_length = value.Length;
_line = 1;
_column = 1;
_substring = null;
}
private Stringe(Stringe parent, int relativeOffset, int length)
{
_stref = parent._stref;
_offset = parent._offset + relativeOffset;
_length = length;
_substring = null;
// Calculate line/col
_line = parent._line;
_column = parent._column;
// If the offset is to the left, the line/col is already calculated. Fetch it from the Chare cache.
if (relativeOffset < 0)
{
_line = _stref.Chares[_offset].Line;
_column = _stref.Chares[_offset].Column;
return;
}
if (relativeOffset == 0)
{
return; // Do nothing if the offset is the same
}
int aOffset;
for (int i = 0; i < relativeOffset; i++)
{
aOffset = parent._offset + i;
if (_stref.String[aOffset] == '\n')
{
_line++;
_column = 1;
}
else if (_stref.Bases[i]) // Advance column only for non-combining characters
{
_column++;
}
if (_stref.Chares[aOffset] == null)
{
_stref.Chares[aOffset] = new Chare(parent, _stref.String[aOffset], aOffset, _line, _column);
}
}
}
