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https://github.com/ppy/osu
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95 lines
3.8 KiB
C#
95 lines
3.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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// Based on code from the Humanizer library (https://github.com/Humanizr/Humanizer/blob/606e958cb83afc9be5b36716ac40d4daa9fa73a7/src/Humanizer/InflectorExtensions.cs)
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//
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// Humanizer is licenced under the MIT License (MIT)
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//
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// Copyright (c) .NET Foundation and Contributors
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System.Text.RegularExpressions;
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namespace osu.Game.Extensions
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{
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/// <summary>
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/// Class with extension methods used to turn human-readable strings to casing conventions frequently used in code.
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/// Often used for communicating with other systems (web API, spectator server).
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/// All of the operations in this class are intentionally culture-invariant.
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/// </summary>
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public static class StringDehumanizeExtensions
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{
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/// <summary>
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/// Converts the string to "Pascal case" (also known as "upper camel case").
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/// </summary>
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/// <example>
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/// <code>
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/// "this is a test string".ToPascalCase() == "ThisIsATestString"
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/// </code>
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/// </example>
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public static string ToPascalCase(this string input)
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{
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return Regex.Replace(input, "(?:^|_|-| +)(.)", match => match.Groups[1].Value.ToUpperInvariant());
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}
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/// <summary>
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/// Converts the string to (lower) "camel case".
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/// </summary>
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/// <example>
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/// <code>
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/// "this is a test string".ToCamelCase() == "thisIsATestString"
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/// </code>
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/// </example>
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public static string ToCamelCase(this string input)
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{
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string word = input.ToPascalCase();
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return word.Length > 0 ? word.Substring(0, 1).ToLowerInvariant() + word.Substring(1) : word;
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}
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/// <summary>
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/// Converts the string to "snake case".
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/// </summary>
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/// <example>
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/// <code>
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/// "this is a test string".ToSnakeCase() == "this_is_a_test_string"
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/// </code>
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/// </example>
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public static string ToSnakeCase(this string input)
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{
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return Regex.Replace(
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Regex.Replace(
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Regex.Replace(input, @"([\p{Lu}]+)([\p{Lu}][\p{Ll}])", "$1_$2"), @"([\p{Ll}\d])([\p{Lu}])", "$1_$2"), @"[-\s]", "_").ToLowerInvariant();
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}
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/// <summary>
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/// Converts the string to "kebab case".
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/// </summary>
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/// <example>
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/// <code>
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/// "this is a test string".ToKebabCase() == "this-is-a-test-string"
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/// </code>
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/// </example>
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public static string ToKebabCase(this string input)
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{
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return ToSnakeCase(input).Replace('_', '-');
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}
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}
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}
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