48 lines
2.3 KiB
C#
48 lines
2.3 KiB
C#
using System.Globalization;
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namespace PCLCS;
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public static class McUtils {
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/// <summary>
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/// 比较两个版本名；左侧较新返回正数，相同返回 0，右侧较新返回负数。
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/// 无法比较两个预发布版的大小。
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/// 支持的格式：未知版本, 26.1-snapshot-1，1.13.2, 1.7.10-pre4, 1.8_pre, 1.14 Pre-Release 2, 1.14.4 C6
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/// </summary>
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public static int CompareVersion(string left, string right) {
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if (left == right) return 0;
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if (left == "未知版本" || right == "未知版本") return left == "未知版本" ? 1 : -1;
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left = left.Lower();
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right = right.Lower();
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var leftParts = left.Replace("快照", "snapshot").Replace("预览版", "pre").RegexSearch("[a-z]+|[0-9]+").ToList();
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var rightParts = right.Replace("快照", "snapshot").Replace("预览版", "pre").RegexSearch("[a-z]+|[0-9]+").ToList();
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for (int i = 0; ; i++) {
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if (i >= leftParts.Count && i >= rightParts.Count) return string.Compare(left, right, StringComparison.Ordinal); // 两边均缺失，感觉是一个东西
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string leftValue = i < leftParts.Count ? leftParts[i] : "0";
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string rightValue = i < rightParts.Count ? rightParts[i] : "0";
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if (leftValue == rightValue) continue;
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int leftNumber = leftValue switch {
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"rc" => -1,
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"pre" => -2,
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"snapshot" => -3,
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"experimental" => -4,
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_ => int.TryParse(leftValue, NumberStyles.Integer, CultureInfo.InvariantCulture, out int leftResult) ? leftResult : 0
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};
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int rightNumber = rightValue switch {
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"rc" => -1,
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"pre" => -2,
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"snapshot" => -3,
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"experimental" => -4,
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_ => int.TryParse(rightValue, NumberStyles.Integer, CultureInfo.InvariantCulture, out int rightResult) ? rightResult : 0
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};
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if (leftNumber == 0 && rightNumber == 0) return string.Compare(leftValue, rightValue, StringComparison.Ordinal);
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if (leftNumber != rightNumber) return leftNumber.CompareTo(rightNumber);
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}
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}
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/// <summary>
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/// 比较两个版本名；左侧不旧于右侧返回 True。
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/// </summary>
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public static bool CompareVersionGE(string left, string right) => CompareVersion(left, right) >= 0;
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}
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