/// <summary>
/// Initializes a new instance of the <see cref="UvssLexerStream"/> class.
/// </summary>
/// <param name="lexer">The lexer instance which produces tokens for this stream.</param>
internal UvssLexerStream(UvssLexer lexer)
{
Contract.Require(lexer, nameof(lexer));
this.lexer = lexer;
this.linePositions.Add(0);
}
/// <summary>
/// Tokenizes the specified Ultraviolet StyleSheets (UVSS) string.
/// </summary>
/// <param name="source">The source string to tokenize.</param>
/// <param name="options">The lexer's configurable options, or null to use the default options.</param>
/// <returns>A <see cref="UvssLexerStream"/> instance which produces lexed tokens from the specified source text.</returns>
public static UvssLexerStream Tokenize(String source, UvssLexerOptions options = null)
{
Contract.Require(source, nameof(source));
var instance = new UvssLexer(source, options ?? UvssLexerOptions.Default);
return(new UvssLexerStream(instance));
}