650 lines
21 KiB
C#
650 lines
21 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.IO.Packaging;
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using System.Reflection;
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using System.Text;
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using System.Windows.Media.Imaging;
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using System.Xml;
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using System.Drawing;
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namespace RevitLess;
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/// <summary>
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/// 直接读取文件的信息（不依赖RevitAPI）
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/// </summary>
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public class RevitFileAssist
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{
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public RevitFileAssist(string filePath)
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{
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if (filePath.EndsWith(".rvt") || filePath.EndsWith(".rte") || filePath.EndsWith(".rfa") ||
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filePath.EndsWith(".rft"))
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{
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ParserRevitFile(filePath);
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}
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else
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{
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throw new Exception("文件格式不正确！");
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}
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}
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/// <summary>
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/// 图片资源转字节
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/// </summary>
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/// <param name="bitmapSource"></param>
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/// <returns></returns>
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private static byte[] BitSourceToArray(BitmapSource bitmapSource)
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{
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BitmapEncoder encoder = new JpegBitmapEncoder();
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using var ms = new MemoryStream();
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encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
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encoder.Save(ms);
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return ms.ToArray();
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}
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private static int GetPngStartingOffset(byte[] previewData)
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{
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var markerFound = false;
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var startingOffset = 0;
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var previousValue = 0;
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using var ms = new MemoryStream(previewData);
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for (var i = 0; i < previewData.Length; i++)
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{
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var currentValue = ms.ReadByte();
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// possible start of PNG file data
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if (currentValue == 137) // 0x89
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{
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markerFound = true;
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startingOffset = i;
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previousValue = currentValue;
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continue;
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}
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switch (currentValue)
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{
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case 80: // 0x50
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if (markerFound && previousValue == 137)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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case 78: // 0x4E
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if (markerFound && previousValue == 80)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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case 71: // 0x47
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if (markerFound && previousValue == 78)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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case 13: // 0x0D
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if (markerFound && previousValue == 71)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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case 10: // 0x0A
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if (markerFound && previousValue == 26)
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{
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return startingOffset;
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}
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if (markerFound && previousValue == 13)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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case 26: // 0x1A
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if (markerFound && previousValue == 10)
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{
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previousValue = currentValue;
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continue;
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}
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markerFound = false;
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break;
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}
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}
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return 0;
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}
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/// <summary>
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/// 获取缩略图
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/// </summary>
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/// <param name="previewData"></param>
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/// <returns></returns>
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private static Image GetPreviewAsImage(byte[] previewData)
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{
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if (previewData is not { Length: > 0 })
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{
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using var newBitmap = new Bitmap(128, 128);
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return newBitmap.Clone() as Image;
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}
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// read past the Revit metadata to the start of the PNG image
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var startingOffset = GetPngStartingOffset(previewData);
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if (startingOffset == 0)
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{
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using var newBitmap = new Bitmap(128, 128);
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return newBitmap.Clone() as Image;
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}
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try
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{
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var pngDataBuffer = new byte[previewData.GetUpperBound(0) - startingOffset + 1];
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// read the PNG image data into a byte array
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using (var ms = new MemoryStream(previewData))
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{
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ms.Position = startingOffset;
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ms.Read(pngDataBuffer, 0, pngDataBuffer.Length);
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}
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byte[] decoderData = null;
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// if the image data is valid
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if (pngDataBuffer != null)
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{
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// use a memory stream to decode the PNG image data
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// and copy the decoded data into a byte array
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using var ms = new MemoryStream(pngDataBuffer);
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var decoder = new PngBitmapDecoder(ms, BitmapCreateOptions.PreservePixelFormat,
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BitmapCacheOption.Default);
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decoderData = BitSourceToArray(decoder.Frames[0]);
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}
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if (decoderData is { Length: > 0 })
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{
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// use another memory stream to create a Bitmap
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// and then an Image from that Bitmap
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using var ms = new MemoryStream(decoderData);
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using var newBitmap = new Bitmap(ms);
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using Image newImage = newBitmap;
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return newImage.Clone() as Image;
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}
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}
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catch (Exception ex)
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{
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Debug.WriteLine(ex.Message);
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}
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using (var newBitmap = new Bitmap(128, 128))
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{
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return newBitmap.Clone() as Bitmap;
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}
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}
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private static StringBuilder ParseContents(string unicodeData)
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{
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var s = new StringBuilder();
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var basicFileInfoParts = unicodeData.Split('\0');
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foreach (var basicFileInfoPart in basicFileInfoParts)
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{
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if (basicFileInfoPart.IndexOf("\r\n", StringComparison.Ordinal) >= 0)
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{
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var detailInfoParts = basicFileInfoPart.Split(new[] { "\r\n" }, new StringSplitOptions());
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foreach (var detailPart in detailInfoParts)
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{
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s.Append(ParseDetailInfo(detailPart) + "\r\n");
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}
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}
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}
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return s;
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}
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private static string ParseDetailInfo(string detailInfo)
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{
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try
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{
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detailInfo = detailInfo.Trim();
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var index = detailInfo.IndexOf(":", StringComparison.Ordinal);
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var detailValue = detailInfo.Substring(index + 1);
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var detailKey = detailInfo.Substring(0, index);
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detailKey = detailKey.Trim().ToUpper().Replace(" ", string.Empty);
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detailKey = PurgeUnprintableCharacters(detailKey);
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detailValue = PurgeUnprintableCharacters(detailValue);
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return $"{detailKey}:{detailValue}";
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//Console.WriteLine($"{detailKey}:{detailValue}");
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}
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catch (Exception)
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{
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return detailInfo;
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}
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//switch (detailKey)
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//{
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// case "WORKSHARING":
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// if (string.IsNullOrEmpty(detailValue))
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// {
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// WorkSharing = WorkSharingMode.HCLight;
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// return;
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// }
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// string workSharing = detailValue.Replace(" ", string.Empty).Trim().ToUpper();
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// switch (workSharing)
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// {
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// case "NOTENABLED":
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// WorkSharing = WorkSharingMode.NotEnabled;
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// break;
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// case "LOCAL":
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// WorkSharing = WorkSharingMode.Local;
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// break;
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// case "CENTRAL":
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// WorkSharing = WorkSharingMode.Central;
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// break;
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// default:
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// WorkSharing = WorkSharingMode.HCLight;
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// break;
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// }
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// break;
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// case "USERNAME":
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// UserName = detailValue.Trim();
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// break;
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// case "CENTRALFILEPATH":
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// CentralFilePath = detailValue.Trim();
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// break;
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// case "REVITBUILD":
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// RevitBuild = detailValue.Trim();
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// break;
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// case "LASTSAVEPATH":
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// LastSavedpath = detailValue.Trim();
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// break;
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// case "OPENWORKSETDEFAULT":
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// OpenWorksetDefault = Convert.ToInt32(detailValue.Trim());
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// break;
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// default:
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// Console.WriteLine($"{detailKey}:{detailValue}");
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// //Debug.Assert(false, string.Format("{0} was not found in the case tests.", detailKey));
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// break;
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//}
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}
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private static StringBuilder ParseFileInfo(string unicodeData)
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{
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var s = new StringBuilder();
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var basicFileInfoParts = unicodeData.Split('\0');
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foreach (var basicFileInfoPart in basicFileInfoParts)
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{
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if (basicFileInfoPart.IndexOf("\r\n", StringComparison.Ordinal) >= 0)
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{
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var detailInfoParts = basicFileInfoPart.Split(new[] { "\r\n" }, new StringSplitOptions());
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foreach (var detailPart in detailInfoParts)
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{
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s.Append(ParseDetailInfo(detailPart) + "\r\n");
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}
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}
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}
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return s;
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}
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/// <summary>
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/// 解析参数
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/// </summary>
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/// <param name="streamInfo"></param>
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private List<FamilyTypeDefinition> ParseParameterDefinition(StreamInfo streamInfo)
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{
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var document = new XmlDocument();
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string xmlStr;
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byte[] streamData;
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using var streamReader = streamInfo.GetStream(FileMode.Open, FileAccess.Read);
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streamData = new byte[streamReader.Length];
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streamReader.Read(streamData, 0, streamData.Length);
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xmlStr = Encoding.UTF8.GetString(streamData);
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document.LoadXml(xmlStr);
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//string xmldocpath = Path.GetFileNameWithoutExtension(FileName) + ".xml";
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//document.Save(xmldocpath);
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//读取参数信息
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var root = document.DocumentElement;
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//节点前缀的命名空间
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var nameSpace = root.GetNamespaceOfPrefix("A");
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//string nameSpace = root.NamespaceURI;
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var nsmgr = new XmlNamespaceManager(document.NameTable);
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;
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nsmgr.AddNamespace("entry", nameSpace);
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//族类型
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var xnlist = document.GetElementsByTagName("A:part");
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var fileinfo = document.GetElementsByTagName("A:design-file");
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foreach (XmlNode xn in fileinfo)
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{
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if (xn.HasChildNodes)
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{
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foreach (XmlNode child in xn.ChildNodes)
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{
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if (child.Name == "A:title")
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{
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SafeName = child.InnerText;
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}
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if (child.Name == "A:product")
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{
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Product = child.InnerText;
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}
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if (child.Name == "A:product-version")
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{
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RevitVersion = child.InnerText;
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}
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if (child.Name == "A:product-updated")
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{
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UpdateTime = child.InnerText;
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}
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}
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}
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}
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//XmlNode rootnode = document.SelectSingleNode("/entry/A: family/A:part", nsmgr);
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//XmlNodeList xnlist = rootnode.ChildNodes;
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var symbols = new List<FamilyTypeDefinition>();
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foreach (XmlNode xn in xnlist)
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{
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//XmlAttributeCollection attriCol = xn.Attributes;
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//foreach (XmlAttribute xmlAttri in attriCol)
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//{
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// string name = xmlAttri.Name;
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// string value = xmlAttri.Value;
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//}
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var symbol = new FamilyTypeDefinition();
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if (xn.HasChildNodes)
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{
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foreach (XmlNode child in xn.ChildNodes)
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{
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var p = new ParameterDefinition();
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if (child.Name == "title")
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{
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symbol.Name = child.InnerText;
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continue;
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}
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//族类型节点
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p.Name = child.Name;
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//族名称
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p.Value = child.InnerText;
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symbol.ParameterDefinitions.Add(p);
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}
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}
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symbols.Add(symbol);
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}
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return symbols;
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}
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private static StringBuilder ParsePartAtom(string unicodeData)
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{
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var s = new StringBuilder();
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var basicFileInfoParts = unicodeData.Split('\0');
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foreach (var basicFileInfoPart in basicFileInfoParts)
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{
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if (basicFileInfoPart.IndexOf("\r\n", StringComparison.Ordinal) >= 0)
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{
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var detailInfoParts = basicFileInfoPart.Split(new[] { "\r\n" }, new StringSplitOptions());
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foreach (var detailPart in detailInfoParts)
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{
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s.Append(ParseDetailInfo(detailPart) + "\r\n");
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}
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}
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}
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return s;
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}
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/// <summary>
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/// 解析预览图像（使用循环确保完整读取，避免 CA2022 警告）
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/// </summary>
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/// <param name="stream"></param>
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/// <returns></returns>
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private static Image ParsePreviewImage(StreamInfo stream)
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{
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byte[] streamData;
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using (var streamReader = stream.GetStream(FileMode.Open, FileAccess.Read))
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{
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// 获取长度并校验
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long lengthLong = streamReader.Length;
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if (lengthLong < 0)
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{
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throw new IOException("Stream length is negative.");
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}
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if (lengthLong > int.MaxValue)
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{
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throw new IOException("Stream is too large to be read into a single byte array.");
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}
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var totalBytes = (int)lengthLong;
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streamData = new byte[totalBytes];
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int offset = 0;
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while (offset < totalBytes)
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{
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int bytesRead = streamReader.Read(streamData, offset, totalBytes - offset);
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if (bytesRead == 0)
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{
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// 流在预期字节读取完成前就结束，抛出异常以避免不完整数据处理
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throw new EndOfStreamException("Unable to read the full stream data.");
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}
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offset += bytesRead;
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}
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}
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return GetPreviewAsImage(streamData);
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}
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/// <summary>
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/// 解析传输数据
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/// </summary>
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/// <param name="unicodeData"></param>
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/// <returns></returns>
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private static StringBuilder ParseTransMissionData(string unicodeData)
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{
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var s = new StringBuilder();
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var basicFileInfoParts = unicodeData.Split('\0');
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foreach (var basicFileInfoPart in basicFileInfoParts)
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{
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if (basicFileInfoPart.IndexOf("\r\n") >= 0)
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{
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var detailInfoParts = basicFileInfoPart.Split(new[] { "\r\n" }, new StringSplitOptions());
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foreach (var detailPart in detailInfoParts)
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{
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s.Append(ParseDetailInfo(detailPart) + "\r\n");
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}
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}
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}
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return s;
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}
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//public static StringBuilder GetFamilyInfo(List<FamilyTypeDefinition> symbols)
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//{
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// var sb = new StringBuilder();
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// foreach (var symbol in symbols)
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// {
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// sb.Append($"族类型：{symbol.Name}{symbol.Value}\r\n");
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// foreach (var param in symbol.ParameterDefinitions)
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// {
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// sb.Append($" {param.Name}:{param.Value}\r\n");
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// }
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// }
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// return sb;
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//}
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/// <summary>
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/// 解析Revit文件信息
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/// </summary>
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/// <param name="filename"></param>
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private void ParserRevitFile(string filename)
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{
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//获取Storageroot Object
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var bindingFlags = BindingFlags.Static | BindingFlags.Instance | BindingFlags.Public |
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BindingFlags.NonPublic | BindingFlags.InvokeMethod;
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var storageRootType = typeof(StorageInfo).Assembly.GetType("System.IO.Packaging.StorageRoot", true, false);
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//Type storageRootType = typeof(StorageInfo).Assembly.GetType("System.IO.Packaging", true, false);
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object[] file =
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{
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filename,
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FileMode.Open,
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FileAccess.Read,
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FileShare.Read
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};
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var Storage = (StorageInfo)storageRootType.InvokeMember("Open", bindingFlags, null, null, file);
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//if (Storage != null)
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//{
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// storageRootType.InvokeMember("CloseTrigger", bindingFlags, null, Storage, file);
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// //Console.Write($"{filePath}文件无法作为结构存储，并打开打开");
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//}
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//var x = Storage.ThumbnailImage.GetPreviewAsImage();
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//读取结构化存储文件
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var streams = Storage.GetStreams();
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foreach (var streamInfo in streams)
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{
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string unicodeData;
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using (var streamReader = streamInfo.GetStream(FileMode.Open, FileAccess.Read))
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{
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byte[] streamData = new byte[streamReader.Length];
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streamReader.Read(streamData, 0, streamData.Length);
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unicodeData = Encoding.Unicode.GetString(streamData);
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//unicodeData = Encoding.UTF8.GetString(streamData);
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}
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if (streamInfo.Name.ToUpper().Equals("BASICFILEINFO"))
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{
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FileInfo = ParseFileInfo(unicodeData);
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}
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if (streamInfo.Name.ToUpper().Equals("PARTATOM"))
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{
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//Console.WriteLine("部分原子:\r\n" + ParsePartAtom(unicodeData));
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if (filename.EndsWith(".rfa"))
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{
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SymbolTypes = ParseParameterDefinition(streamInfo);
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//Console.WriteLine("族参数:\r\n" + GetFamilyInfo(symbols));
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}
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}
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if (streamInfo.Name.ToUpper().Equals("TRANSMISSIONDATA"))
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{
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TransMissionData = ParseTransMissionData(unicodeData);
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}
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if (streamInfo.Name.ToUpper().Equals("REVITPREVIEW4.0"))
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{
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PreviewImage = ParsePreviewImage(streamInfo);
|
||
}
|
||
|
||
if (streamInfo.Name.ToUpper().Equals("CONTENTS"))
|
||
{
|
||
Content = ParseContents(unicodeData);
|
||
}
|
||
}
|
||
//if (Storage != null)
|
||
//{
|
||
// try
|
||
// {
|
||
// storageRootType.InvokeMember("CloseTrigger", bindingFlags, null, Storage, file);
|
||
// }
|
||
// catch (Exception ex)
|
||
// {
|
||
// MessageBox.ShowAhead(ex.ViewMessage);
|
||
// }
|
||
//}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 清理无效字符
|
||
/// </summary>
|
||
/// <param name="oldValue"></param>
|
||
/// <returns></returns>
|
||
public static string PurgeUnprintableCharacters(string oldValue)
|
||
{
|
||
var sb = new StringBuilder();
|
||
var oldValueArray = oldValue.ToCharArray();
|
||
foreach (var letter in oldValueArray)
|
||
{
|
||
int decimalValue = letter;
|
||
if (decimalValue is >= 32 and <= 126)
|
||
{
|
||
sb.Append(letter);
|
||
}
|
||
}
|
||
|
||
oldValue = sb.ToString();
|
||
sb.Length = 0;
|
||
sb.Capacity = 0;
|
||
sb = null;
|
||
return oldValue;
|
||
}
|
||
|
||
public StringBuilder Content { get; private set; }
|
||
|
||
public StringBuilder FileInfo { get; private set; }
|
||
public Image PreviewImage { get; private set; }
|
||
public string Product { get; private set; }
|
||
public string RevitVersion { get; private set; }
|
||
public string SafeName { get; private set; }
|
||
public List<FamilyTypeDefinition> SymbolTypes { get; private set; }
|
||
public StringBuilder TransMissionData { get; private set; }
|
||
public string UpdateTime { get; private set; }
|
||
|
||
public class FamilyTypeDefinition
|
||
{
|
||
public string Name { get; set; }
|
||
public List<ParameterDefinition> ParameterDefinitions { get; set; } = new();
|
||
public string Value { get; set; }
|
||
}
|
||
|
||
public class ParameterDefinition
|
||
{
|
||
public string Name { get; set; }
|
||
public string TypeOfParameterDefinition { get; set; }
|
||
public string Value { get; set; }
|
||
}
|
||
} |