/// <summary>
/// Initialises a new instance of the <see cref="VirtualStringMatcher"/> class on a <see cref="IVirtualString"/>.
/// </summary>
/// <param name="text">The Virtual String to parse.</param>
/// <param name="startIndex">Index where the match must start in the <paramref name="text"/>.</param>
/// <param name="length">
/// Number of character to consider in the string.
/// If <paramref name="startIndex"/> + length is geater than the length of the string, an <see cref="ArgumentException"/> is thrown.
/// </param>
public VirtualStringMatcher(IVirtualString text, long startIndex, long length)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (_startIndex < 0 || _startIndex > text.Length)
{
throw new ArgumentException(nameof(text));
}
_text = text;
_length = length;
_startIndex = startIndex;
}
/// <summary>
/// Initialises a new instance of the <see cref="VirtualStringMatcher"/> class on a non null string.
/// </summary>
/// <param name="text"></param>
/// <param name="startIndex"></param>
public VirtualStringMatcher(IVirtualString text, long startIndex = 0)
: this(text, startIndex, text.Length)
{
}
