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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Data
{
using System;
using System.Collections.Generic;
using System.Linq;
/// <summary>
/// Symbol representing a single row in a database.
/// </summary>
public sealed class Symbol
{
private HashSet<Symbol> possibleConflictSymbols;
private HashSet<Symbol> redundantSymbols;
/// <summary>
/// Creates a symbol for a row.
/// </summary>
/// <param name="row">Row for the symbol</param>
public Symbol(IntermediateSection section, IntermediateTuple tuple)
{
this.Row = tuple;
this.Section = section;
this.Name = String.Concat(this.Row.Definition.Name, ":", this.Row.Id.Id);
}
/// <summary>
/// Gets the accessibility of the symbol which is a direct reflection of the accessibility of the row's accessibility.
/// </summary>
/// <value>Accessbility of the symbol.</value>
public AccessModifier Access => this.Row.Id.Access;
/// <summary>
/// Gets the name of the symbol.
/// </summary>
/// <value>Name of the symbol.</value>
public string Name { get; }
/// <summary>
/// Gets the row for this symbol.
/// </summary>
/// <value>Row for this symbol.</value>
public IntermediateTuple Row { get; }
/// <summary>
/// Gets the section for the symbol.
/// </summary>
/// <value>Section for the symbol.</value>
public IntermediateSection Section { get; }
/// <summary>
/// Gets any duplicates of this symbol that are possible conflicts.
/// </summary>
public IEnumerable<Symbol> PossiblyConflictingSymbols { get { return this.possibleConflictSymbols ?? Enumerable.Empty<Symbol>(); } }
/// <summary>
/// Gets any duplicates of this symbol that are redundant.
/// </summary>
public IEnumerable<Symbol> RedundantSymbols { get { return this.redundantSymbols ?? Enumerable.Empty<Symbol>(); } }
/// <summary>
/// Adds a duplicate symbol that is a possible conflict.
/// </summary>
/// <param name="symbol">Symbol that is a possible conflict of this symbol.</param>
public void AddPossibleConflict(Symbol symbol)
{
if (null == this.possibleConflictSymbols)
{
this.possibleConflictSymbols = new HashSet<Symbol>();
}
this.possibleConflictSymbols.Add(symbol);
}
/// <summary>
/// Adds a duplicate symbol that is redundant.
/// </summary>
/// <param name="symbol">Symbol that is redundant of this symbol.</param>
public void AddRedundant(Symbol symbol)
{
if (null == this.redundantSymbols)
{
this.redundantSymbols = new HashSet<Symbol>();
}
this.redundantSymbols.Add(symbol);
}
}
}
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