/AvalonEdit/ICSharpCode.AvalonEdit/Utils/ThrowUtil.cs
http://github.com/icsharpcode/ILSpy · C# · 71 lines · 34 code · 6 blank · 31 comment · 5 complexity · 0ceb8213dc2fe3c02213a3812d9f7bba MD5 · raw file
- // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy of this
- // software and associated documentation files (the "Software"), to deal in the Software
- // without restriction, including without limitation the rights to use, copy, modify, merge,
- // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
- // to whom the Software is furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in all copies or
- // substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
- // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
- // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- // DEALINGS IN THE SOFTWARE.
- using System;
- using System.Globalization;
- namespace ICSharpCode.AvalonEdit.Utils
- {
- /// <summary>
- /// Contains exception-throwing helper methods.
- /// </summary>
- static class ThrowUtil
- {
- /// <summary>
- /// Throws an ArgumentNullException if <paramref name="val"/> is null; otherwise
- /// returns val.
- /// </summary>
- /// <example>
- /// Use this method to throw an ArgumentNullException when using parameters for base
- /// constructor calls.
- /// <code>
- /// public VisualLineText(string text) : base(ThrowUtil.CheckNotNull(text, "text").Length)
- /// </code>
- /// </example>
- public static T CheckNotNull<T>(T val, string parameterName) where T : class
- {
- if (val == null)
- throw new ArgumentNullException(parameterName);
- return val;
- }
-
- public static int CheckNotNegative(int val, string parameterName)
- {
- if (val < 0)
- throw new ArgumentOutOfRangeException(parameterName, val, "value must not be negative");
- return val;
- }
-
- public static int CheckInRangeInclusive(int val, string parameterName, int lower, int upper)
- {
- if (val < lower || val > upper)
- throw new ArgumentOutOfRangeException(parameterName, val, "Expected: " + lower.ToString(CultureInfo.InvariantCulture) + " <= " + parameterName + " <= " + upper.ToString(CultureInfo.InvariantCulture));
- return val;
- }
-
- public static InvalidOperationException NoDocumentAssigned()
- {
- return new InvalidOperationException("Document is null");
- }
-
- public static InvalidOperationException NoValidCaretPosition()
- {
- return new InvalidOperationException("Could not find a valid caret position in the line");
- }
- }
- }