31 lines
935 B
C#
31 lines
935 B
C#
namespace MAF1.Utils;
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/// <summary>
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/// 从模型回复里抽出 JSON 对象。模型常包 ```json ... ```，或在前后加说明文字。
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/// </summary>
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public static class JsonText
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{
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public static string UnwrapObject(string text)
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{
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string trimmed = text.Trim();
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if (trimmed.StartsWith("```", StringComparison.Ordinal))
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{
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int firstNewLine = trimmed.IndexOf('\n');
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int lastFence = trimmed.LastIndexOf("```", StringComparison.Ordinal);
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if (firstNewLine >= 0 && lastFence > firstNewLine)
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{
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trimmed = trimmed[(firstNewLine + 1)..lastFence].Trim();
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}
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}
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int objectStart = trimmed.IndexOf('{');
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int objectEnd = trimmed.LastIndexOf('}');
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if (objectStart >= 0 && objectEnd > objectStart)
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{
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return trimmed[objectStart..(objectEnd + 1)];
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}
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return trimmed;
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}
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}
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