50 lines
1.5 KiB
C#
50 lines
1.5 KiB
C#
using System.Text;
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namespace ZelWiki.Engine.Implementation.Utility
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{
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public static class Differentiator
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{
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/// <summary>
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///
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/// </summary>
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/// <param name="thisRev"></param>
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/// <param name="prevRev"></param>
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/// <returns></returns>
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public static string GetComparisonSummary(string thisRev, string prevRev)
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{
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var summary = new StringBuilder();
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var thisRevLines = thisRev.Split('\n');
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var prevRevLines = prevRev.Split('\n');
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var thisRevLineCount = thisRevLines.Length;
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var prevRevLinesCount = prevRevLines.Length;
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var linesAdded = prevRevLines.Except(thisRevLines).Count();
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var linesDeleted = thisRevLines.Except(prevRevLines).Count();
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if (thisRevLineCount != prevRevLinesCount)
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{
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summary.Append($"{Math.Abs(thisRevLineCount - prevRevLinesCount):N0} 行修改.");
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}
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if (linesAdded > 0)
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{
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if (summary.Length > 0) summary.Append(' ');
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summary.Append($"{linesAdded:N0} 行新增.");
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}
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if (linesDeleted > 0)
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{
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if (summary.Length > 0) summary.Append(' ');
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summary.Append($"{linesDeleted:N0} 行删除.");
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}
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if (summary.Length == 0)
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{
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summary.Append($"未修改.");
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}
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return summary.ToString();
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}
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}
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} |