23 lines
1.3 KiB
C#
23 lines
1.3 KiB
C#
namespace WxAgent.Core;
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public static class WechatDerivedText
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{
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// Only consume new text inside the bound message, never an entire window or an unbound OCR popup.
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public static string? AddedText(IReadOnlyList<string> before, IReadOnlyList<string> after)
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{
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var remaining = before.Where(value => !string.IsNullOrWhiteSpace(value))
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.GroupBy(value => value, StringComparer.Ordinal).ToDictionary(group => group.Key, group => group.Count(), StringComparer.Ordinal);
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var added = new List<string>();
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foreach (var value in after.Where(value => !string.IsNullOrWhiteSpace(value)))
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{
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if (remaining.GetValueOrDefault(value) > 0) remaining[value]--;
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else added.Add(value);
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}
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if (remaining.Values.Any(count => count > 0) || added.Count == 0) return null;
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if (added.Any(value => value.Contains("识别中", StringComparison.Ordinal) || value.Contains("转换中", StringComparison.Ordinal)
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|| value.Contains("转换失败", StringComparison.Ordinal) || value.Contains("识别失败", StringComparison.Ordinal)
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|| value.Contains("未识别到", StringComparison.Ordinal) || value.Contains("无法转换", StringComparison.Ordinal))) return null;
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return string.Join(Environment.NewLine, added);
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}
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}
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