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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.WindowsInstaller
{
using System.Collections.Generic;
using System.Linq;
/// <summary>
/// Collection for tables.
/// </summary>
public sealed class TableIndexedCollection : ICollection<Table>
{
private Dictionary<string, Table> collection;
/// <summary>
/// Instantiate a new empty collection.
/// </summary>
public TableIndexedCollection() => this.collection = new Dictionary<string, Table>();
/// <summary>
/// Instantiate a new collection populated with a set of tables.
/// </summary>
/// <param name="tables">Set of tables.</param>
public TableIndexedCollection(IEnumerable<Table> tables) => this.collection = tables.ToDictionary(t => t.Name);
/// <summary>
/// Gets the number of items in the collection.
/// </summary>
/// <value>Number of items in collection.</value>
public int Count => this.collection.Count;
/// <summary>
/// Table indexed collection is never read only.
/// </summary>
public bool IsReadOnly => false;
/// <summary>
/// Adds a table to the collection.
/// </summary>
/// <param name="table">Table to add to the collection.</param>
/// <remarks>Indexes the table by name.</remarks>
public void Add(Table table) => this.collection.Add(table.Name, table);
/// <summary>
/// Clear the tables from the collection.
/// </summary>
public void Clear() => this.collection.Clear();
/// <summary>
/// Determines if a table is in the collection.
/// </summary>
/// <param name="table">Table to check if it is in the collection.</param>
/// <returns>True if the table name is in the collection, otherwise false.</returns>
public bool Contains(Table table) => this.collection.ContainsKey(table.Name);
/// <summary>
/// Copies the collection into an array.
/// </summary>
/// <param name="array">Array to copy the collection into.</param>
/// <param name="arrayIndex">Index to start copying from.</param>
public void CopyTo(Table[] array, int arrayIndex) => this.collection.Values.CopyTo(array, arrayIndex);
/// <summary>
/// Remove a table from the collection by name.
/// </summary>
/// <param name="tableName">Table name to remove from the collection.</param>
public void Remove(string tableName) => _ = this.collection.Remove(tableName);
/// <summary>
/// Remove a table from the collection.
/// </summary>
/// <param name="table">Table with matching name to remove from the collection.</param>
public bool Remove(Table table) => this.collection.Remove(table.Name);
/// <summary>
/// Gets an enumerator over the whole collection.
/// </summary>
/// <returns>Collection enumerator.</returns>
public IEnumerator<Table> GetEnumerator() => this.collection.Values.GetEnumerator();
/// <summary>
/// Gets an untyped enumerator over the whole collection.
/// </summary>
/// <returns>Untyped collection enumerator.</returns>
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() => this.collection.Values.GetEnumerator();
/// <summary>
/// Gets a table by name.
/// </summary>
/// <param name="tableName">Name of table to locate.</param>
public Table this[string tableName]
{
get => this.collection.TryGetValue(tableName, out var table) ? table : null;
set => this.collection[tableName] = value;
}
/// <summary>
/// Tries to find a table by name.
/// </summary>
/// <param name="tableName">Table name to locate.</param>
/// <param name="table">Found table.</param>
/// <returns>True if table with table name was found, otherwise false.</returns>
public bool TryGetTable(string tableName, out Table table) => this.collection.TryGetValue(tableName, out table);
}
}
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