80 lines
2.4 KiB
C#
80 lines
2.4 KiB
C#
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/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.IO;
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namespace dnSpy.Contracts.Documents {
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/// <summary>
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/// Compares filenames
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/// </summary>
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public sealed class FilenameKey : IDsDocumentNameKey, IEquatable<FilenameKey?> {
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readonly string filename;
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="filename">Filename</param>
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public FilenameKey(string filename) => this.filename = GetFullPath(filename);
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FilenameKey(string filename, bool dummy) => this.filename = filename;
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// PERF: Path.GetFullPath() is slow so if we know that FilenameKey.GetFullPath() == filename, use this method instead
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internal static FilenameKey CreateFullPath(string filename) => new FilenameKey(filename, false);
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static string GetFullPath(string filename) {
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try {
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// Prevent slow exceptions
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if (string.IsNullOrEmpty(filename))
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return filename;
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return Path.GetFullPath(filename);
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}
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catch {
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}
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return filename;
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}
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/// <summary>
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/// Equals()
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/// </summary>
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/// <param name="other">Other instance</param>
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/// <returns></returns>
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public bool Equals(FilenameKey? other) => other is not null && StringComparer.OrdinalIgnoreCase.Equals(filename, other.filename);
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/// <summary>
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/// Equals()
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/// </summary>
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/// <param name="obj">Other instance</param>
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/// <returns></returns>
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public override bool Equals(object? obj) => Equals(obj as FilenameKey);
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/// <summary>
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/// GetHashCode()
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/// </summary>
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/// <returns></returns>
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public override int GetHashCode() => StringComparer.OrdinalIgnoreCase.GetHashCode(filename);
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/// <summary>
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/// ToString()
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/// </summary>
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/// <returns></returns>
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public override string ToString() => filename;
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}
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}
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