YamlDotNet.Core.Scanner.ScanDirectiveName C# (CSharp) Method

        private string ScanDirectiveName(Mark start)
        {
            var name = new StringBuilder();

            // Consume the directive name.

            while (analyzer.IsAlphaNumericDashOrUnderscore())
            {
                name.Append(ReadCurrentCharacter());
            }

            // Check if the name is empty.

            if (name.Length == 0)
            {
                throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a directive, could not find expected directive name.");
            }

            // Check for an blank character after the name.

            if (!analyzer.IsWhiteBreakOrZero())
            {
                throw new SyntaxErrorException(start, cursor.Mark(), "While scanning a directive, find unexpected non-alphabetical character.");
            }

            return name.ToString();
        }