74 lines
2 KiB
C#
74 lines
2 KiB
C#
using System;
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namespace AspClassic.Parser;
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/// <summary>
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/// A parse tree for a simple name (e.g. 'foo').
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/// </summary>
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public sealed class SimpleName : Name
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{
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private readonly string _Name;
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private readonly TypeCharacter _TypeCharacter;
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private readonly bool _Escaped;
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/// <summary>
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/// The name, if any.
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/// </summary>
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public string Name => _Name;
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/// <summary>
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/// The type character.
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/// </summary>
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public TypeCharacter TypeCharacter => _TypeCharacter;
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/// <summary>
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/// Whether the name is escaped.
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/// </summary>
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public bool Escaped => _Escaped;
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public override bool IsBad => Name == null;
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/// <summary>
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/// Creates a bad simple name.
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/// </summary>
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/// <param name="Span">The location of the parse tree.</param>
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/// <returns>A bad simple name.</returns>
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public static SimpleName GetBadSimpleName(Span span)
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{
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return new SimpleName(span);
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}
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/// <summary>
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/// Constructs a new simple name parse tree.
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/// </summary>
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/// <param name="name">The name, if any.</param>
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/// <param name="typeCharacter">The type character.</param>
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/// <param name="escaped">Whether the name is escaped.</param>
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/// <param name="span">The location of the parse tree.</param>
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public SimpleName(string name, TypeCharacter typeCharacter, bool escaped, Span span)
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: base(TreeType.SimpleName, span)
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{
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if (typeCharacter != 0 && escaped)
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{
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throw new ArgumentException("Escaped named cannot have type characters.");
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}
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if (typeCharacter != 0 && typeCharacter != TypeCharacter.DecimalSymbol && typeCharacter != TypeCharacter.DoubleSymbol && typeCharacter != TypeCharacter.IntegerSymbol && typeCharacter != TypeCharacter.LongSymbol && typeCharacter != TypeCharacter.SingleSymbol && typeCharacter != TypeCharacter.StringSymbol)
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{
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throw new ArgumentOutOfRangeException("typeCharacter");
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}
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if (name == null)
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{
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throw new ArgumentNullException("name");
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}
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_Name = name;
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_TypeCharacter = typeCharacter;
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_Escaped = escaped;
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}
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private SimpleName(Span span)
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: base(TreeType.SimpleName, span)
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{
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}
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}
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