/// <summary>
/// Converts the string representation of a COMB to the equivalent
/// <see cref="Comb"/> structure provided that the string is in the
/// specified format.
/// </summary>
/// <param name="input">The string to convert.</param>
/// <param name="format">
/// One of the following specifiers that indicates the exact format to
/// use when interpreting input: "N", "D", "B", "P", or "X".
/// </param>
/// <param name="result">
/// The structure that will contain the parsed value. If the method
/// returns <see langword="true"/>, <paramref name="result"/> contains a
/// valid <see cref="Comb"/>. If the method returns
/// <see langword="false"/>, <paramref name="result"/> equals <see cref="Comb.Empty"/>.
/// </param>
/// <returns>
/// <see langword="true"/> if the parse operation was successful;
/// otherwise, <see langword="false"/>.
/// </returns>
/// <remarks>
/// <para>
/// This method returns <see langword="false"/> if
/// <paramref name="input"/> is <see langword="null"/> or not in a
/// recognized format and doesn't throw an exception.
/// </para>
/// <para>
/// The following table shows the accepted format specifiers for the
/// <paramref name="format"/> parameter. "0" represents a digit; hyphens
/// ("-"), braces ("{", "}"), and parentheses ("(", ")") appear as shown.
/// </para>
/// <list type="table">
/// <listheader>
/// <term>Specifier</term>
/// <term>Format of return value</term>
/// </listheader>
/// <item>
/// <term>N</term>
/// <description>
/// <para>32 digits:</para>
/// <para>00000000000000000000000000000000</para>
/// </description>
/// </item>
/// <item>
/// <term>D</term>
/// <description>
/// <para>32 digits separated by hyphens:</para>
/// <para>00000000-0000-0000-0000-000000000000</para>
/// </description>
/// </item>
/// <item>
/// <term>B</term>
/// <description>
/// <para>32 digits separated by hyphens, enclosed in braces:</para>
/// <para>{00000000-0000-0000-0000-000000000000}</para>
/// </description>
/// </item>
/// <item>
/// <term>P</term>
/// <description>
/// <para>32 digits separated by hyphens, enclosed in parentheses:</para>
/// <para>(00000000-0000-0000-0000-000000000000)</para>
/// </description>
/// </item>
/// <item>
/// <term>X</term>
/// <description>
/// <para>
/// Four hexadecimal values enclosed in braces, where the fourth value
/// is a subset of eight hexadecimal values that is also enclosed in braces:
/// </para>
/// <para>{0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}}</para>
/// </description>
/// </item>
/// </list>
/// </remarks>
public static bool TryParseExact(string input, string format, out Comb result)
{
if (input == null || format == null)
{
result = Empty;
return(false);
}
var parser = new CombParser(input);
return(parser.Parse(ParseFormat(format), out result));
}
/// <summary>
/// Converts the string representation of a COMB to the equivalent
/// <see cref="Comb"/> structure.
/// </summary>
/// <param name="input">The string to convert.</param>
/// <param name="result">
/// The structure that will contain the parsed value. If the method
/// returns <see langword="true"/>, <paramref name="result"/> contains a
/// valid <see cref="Comb"/>. If the method returns
/// <see langword="false"/>, <paramref name="result"/> equals <see cref="Comb.Empty"/>.
/// </param>
/// <returns>
/// <see langword="true"/> if the parse operation was successful;
/// otherwise, <see langword="false"/>.
/// </returns>
/// <remarks>
/// <para>
/// This method is like the <see cref="Parse"/> method, except that
/// instead of returning the parsed COMB, it returns
/// <see langword="false"/> if <paramref name="input"/> is
/// <see langword="null"/> or not in a recognized format and doesn't
/// throw an exception. It converts strings in any of the five formats
/// produced by the <see cref="ToString(String)"/> and
/// <see cref="ToString(String, IFormatProvider)"/> methods, as shown in
/// the following table.
/// </para>
/// <list type="table">
/// <listheader>
/// <term>Specifier</term>
/// <term>Description</term>
/// <term>Format</term>
/// </listheader>
/// <item>
/// <term>N</term>
/// <description>32 digits</description>
/// <description>00000000000000000000000000000000</description>
/// </item>
/// <item>
/// <term>D</term>
/// <description>32 digits separated by hyphens</description>
/// <description>00000000-0000-0000-0000-000000000000</description>
/// </item>
/// <item>
/// <term>B</term>
/// <description>
/// 32 digits separated by hyphens, enclosed in braces
/// </description>
/// <description>{00000000-0000-0000-0000-000000000000}</description>
/// </item>
/// <item>
/// <term>P</term>
/// <description>
/// 32 digits separated by hyphens, enclosed in parentheses
/// </description>
/// <description>(00000000-0000-0000-0000-000000000000)</description>
/// </item>
/// <item>
/// <term>X</term>
/// <description>
/// Four hexadecimal values enclosed in braces, where the fourth value
/// is a subset of eight hexadecimal values that is also enclosed in braces
/// </description>
/// <description>{0x00000000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}}</description>
/// </item>
/// </list>
/// </remarks>
public static bool TryParse(string input, out Comb result)
{
if (input == null)
{
result = Empty;
return(false);
}
var parser = new CombParser(input);
return(parser.Parse(out result));
}