public void Basics()
        {
            var trie = new ByteTrie <string>();

            var strings = new[] { "HELLO", "HELLO WORLD", "HERBERT" };

            foreach (var s in strings)
            {
                trie.AddPath(s, Encoding.UTF8.GetBytes(s));
            }

            foreach (var s1 in strings)
            {
                Assert.Same(s1, trie.Find(Encoding.UTF8.GetBytes(s1)));
            }

            Assert.Null(trie.Find(Encoding.UTF8.GetBytes("Not Included")));
            Assert.Null(trie.Find(Encoding.UTF8.GetBytes("HELL")));

            Assert.Equal("HELLO", trie.Find(Encoding.UTF8.GetBytes("HELLO MUM")));
            Assert.Equal("HELLO WORLD".Length, trie.MaxDepth);

            trie.SetDefaultValue("DEFAULT");

            Assert.Equal("DEFAULT", trie.Find(Encoding.UTF8.GetBytes("Also Not Included")));
        }
        static ShowJpegStructure()
        {
            _appSegmentByPreambleBytes = new ByteTrie <string>();

            _appSegmentByPreambleBytes.AddPath("Adobe", Encoding.UTF8.GetBytes(AdobeJpegReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("Ducky", Encoding.UTF8.GetBytes(DuckyReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("Exif", Encoding.UTF8.GetBytes(ExifReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("ICC", Encoding.UTF8.GetBytes(IccReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("JFIF", Encoding.UTF8.GetBytes(JfifReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("JFXX", Encoding.UTF8.GetBytes(JfxxReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("Photoshop", Encoding.UTF8.GetBytes(PhotoshopReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("XMP", Encoding.UTF8.GetBytes(XmpReader.JpegSegmentPreamble));
            _appSegmentByPreambleBytes.AddPath("XMP (Extended)", Encoding.UTF8.GetBytes(XmpReader.JpegSegmentPreambleExtension));
        }
 public virtual void TestBasics()
 {
     ByteTrie<string> trie = new ByteTrie<string>();
     string[] strings = new string[] { "HELLO", "HELLO WORLD", "HERBERT" };
     foreach (string s in strings)
     {
         trie.AddPath(s, Sharpen.Runtime.GetBytesForString(s));
     }
     foreach (string s_1 in strings)
     {
         NUnit.Framework.Assert.AreSame(s_1, trie.Find(Sharpen.Runtime.GetBytesForString(s_1)));
     }
     NUnit.Framework.Assert.IsNull(trie.Find(Sharpen.Runtime.GetBytesForString("Not Included")));
     NUnit.Framework.Assert.IsNull(trie.Find(Sharpen.Runtime.GetBytesForString("HELL")));
     Sharpen.Tests.AreEqual("HELLO", trie.Find(Sharpen.Runtime.GetBytesForString("HELLO MUM")));
     Sharpen.Tests.AreEqual("HELLO WORLD".Length, trie.GetMaxDepth());
     trie.SetDefaultValue("DEFAULT");
     Sharpen.Tests.AreEqual("DEFAULT", trie.Find(Sharpen.Runtime.GetBytesForString("Also Not Included")));
 }
 public void TestBasics()
 {
     var trie = new ByteTrie<string>();
     var strings = new[] { "HELLO", "HELLO WORLD", "HERBERT" };
     foreach (var s in strings)
     {
         trie.AddPath(s, Encoding.UTF8.GetBytes(s));
     }
     foreach (var s1 in strings)
     {
         Assert.Same(s1, trie.Find(Encoding.UTF8.GetBytes(s1)));
     }
     Assert.Null(trie.Find(Encoding.UTF8.GetBytes("Not Included")));
     Assert.Null(trie.Find(Encoding.UTF8.GetBytes("HELL")));
     Assert.Equal("HELLO", trie.Find(Encoding.UTF8.GetBytes("HELLO MUM")));
     Assert.Equal("HELLO WORLD".Length, trie.MaxDepth);
     trie.SetDefaultValue("DEFAULT");
     Assert.Equal("DEFAULT", trie.Find(Encoding.UTF8.GetBytes("Also Not Included")));
 }
        static FileTypeDetector()
        {
            _root = new ByteTrie<FileType>();
            _root.SetDefaultValue(FileType.Unknown);

            // https://en.wikipedia.org/wiki/List_of_file_signatures
            _root.AddPath(FileType.Jpeg, new[] { (byte)0xff, (byte)0xd8 });
            _root.AddPath(FileType.Tiff, Encoding.UTF8.GetBytes("II"), new byte[] { 0x2a, 0x00 });
            _root.AddPath(FileType.Tiff, Encoding.UTF8.GetBytes("MM"), new byte[] { 0x00, 0x2a });
            _root.AddPath(FileType.Psd, Encoding.UTF8.GetBytes("8BPS"));
            _root.AddPath(FileType.Png, new byte[] { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00, 0x00, 0x00, 0x0D, 0x49, 0x48, 0x44, 0x52 });
            _root.AddPath(FileType.Bmp, Encoding.UTF8.GetBytes("BM"));
            // TODO technically there are other very rare magic numbers for OS/2 BMP files...
            _root.AddPath(FileType.Gif, Encoding.UTF8.GetBytes("GIF87a"));
            _root.AddPath(FileType.Gif, Encoding.UTF8.GetBytes("GIF89a"));
            _root.AddPath(FileType.Ico, new byte[] { 0x00, 0x00, 0x01, 0x00 });
            _root.AddPath(FileType.Pcx, new byte[] { 0x0A, 0x00, 0x01 });
            // multiple PCX versions, explicitly listed
            _root.AddPath(FileType.Pcx, new byte[] { 0x0A, 0x02, 0x01 });
            _root.AddPath(FileType.Pcx, new byte[] { 0x0A, 0x03, 0x01 });
            _root.AddPath(FileType.Pcx, new byte[] { 0x0A, 0x05, 0x01 });
            _root.AddPath(FileType.Riff, Encoding.UTF8.GetBytes("RIFF"));
            _root.AddPath(FileType.Arw, Encoding.UTF8.GetBytes("II"), new byte[] { 0x2a, 0x00, 0x08, 0x00 });
            _root.AddPath(FileType.Crw, Encoding.UTF8.GetBytes("II"), new byte[] { 0x1a, 0x00, 0x00, 0x00 }, Encoding.UTF8.GetBytes("HEAPCCDR"));
            _root.AddPath(FileType.Cr2, Encoding.UTF8.GetBytes("II"), new byte[] { 0x2a, 0x00, 0x10, 0x00, 0x00, 0x00, 0x43, 0x52 });
            _root.AddPath(FileType.Nef, Encoding.UTF8.GetBytes("MM"), new byte[] { 0x00, 0x2a, 0x00, 0x00, 0x00, 0x80, 0x00 });
            _root.AddPath(FileType.Orf, Encoding.UTF8.GetBytes("IIRO"), new byte[] { 0x08, 0x00 });
            _root.AddPath(FileType.Orf, Encoding.UTF8.GetBytes("IIRS"), new byte[] { 0x08, 0x00 });
            _root.AddPath(FileType.Raf, Encoding.UTF8.GetBytes("FUJIFILMCCD-RAW"));
            _root.AddPath(FileType.Rw2, Encoding.UTF8.GetBytes("II"), new byte[] { 0x55, 0x00 });
        }
 static FileTypeDetector()
 {
     _root = new ByteTrie <FileType?>();
     _root.SetDefaultValue(FileType.Unknown);
     // https://en.wikipedia.org/wiki/List_of_file_signatures
     _root.AddPath(FileType.Jpeg, new sbyte[] { unchecked ((sbyte)0xff), unchecked ((sbyte)0xd8) });
     _root.AddPath(FileType.Tiff, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked ((int)(0x2a)), unchecked ((int)(0x00)) });
     _root.AddPath(FileType.Tiff, Sharpen.Runtime.GetBytesForString("MM"), new sbyte[] { unchecked ((int)(0x00)), unchecked ((int)(0x2a)) });
     _root.AddPath(FileType.Psd, Sharpen.Runtime.GetBytesForString("8BPS"));
     _root.AddPath(FileType.Png, new sbyte[] { unchecked ((sbyte)0x89), unchecked ((int)(0x50)), unchecked ((int)(0x4E)), unchecked ((int)(0x47)), unchecked ((int)(0x0D)), unchecked ((int)(0x0A)), unchecked ((int)(0x1A)), unchecked ((int)(0x0A)), unchecked (
                                                   (int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x0D)), unchecked ((int)(0x49)), unchecked ((int)(0x48)), unchecked ((int)(0x44)), unchecked ((int)(0x52)) });
     _root.AddPath(FileType.Bmp, Sharpen.Runtime.GetBytesForString("BM"));
     // TODO technically there are other very rare magic numbers for OS/2 BMP files...
     _root.AddPath(FileType.Gif, Sharpen.Runtime.GetBytesForString("GIF87a"));
     _root.AddPath(FileType.Gif, Sharpen.Runtime.GetBytesForString("GIF89a"));
     _root.AddPath(FileType.Ico, new sbyte[] { unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x01)), unchecked ((int)(0x00)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked ((int)(0x0A)), unchecked ((int)(0x00)), unchecked ((int)(0x01)) });
     // multiple PCX versions, explicitly listed
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked ((int)(0x0A)), unchecked ((int)(0x02)), unchecked ((int)(0x01)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked ((int)(0x0A)), unchecked ((int)(0x03)), unchecked ((int)(0x01)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked ((int)(0x0A)), unchecked ((int)(0x05)), unchecked ((int)(0x01)) });
     _root.AddPath(FileType.Riff, Sharpen.Runtime.GetBytesForString("RIFF"));
     _root.AddPath(FileType.Arw, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked ((int)(0x2a)), unchecked ((int)(0x00)), unchecked ((int)(0x08)), unchecked ((int)(0x00)) });
     _root.AddPath(FileType.Crw, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked ((int)(0x1a)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x00)) }, Sharpen.Runtime.GetBytesForString("HEAPCCDR"));
     _root.AddPath(FileType.Cr2, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked ((int)(0x2a)), unchecked ((int)(0x00)), unchecked ((int)(0x10)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int
                                                                                                                                                                                                                                                          )(0x43)), unchecked ((int)(0x52)) });
     _root.AddPath(FileType.Nef, Sharpen.Runtime.GetBytesForString("MM"), new sbyte[] { unchecked ((int)(0x00)), unchecked ((int)(0x2a)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((int)(0x00)), unchecked ((sbyte)0x80), unchecked ((int
                                                                                                                                                                                                                                                          )(0x00)) });
     _root.AddPath(FileType.Orf, Sharpen.Runtime.GetBytesForString("IIRO"), new sbyte[] { unchecked ((sbyte)0x08), unchecked ((int)(0x00)) });
     _root.AddPath(FileType.Orf, Sharpen.Runtime.GetBytesForString("IIRS"), new sbyte[] { unchecked ((sbyte)0x08), unchecked ((int)(0x00)) });
     _root.AddPath(FileType.Raf, Sharpen.Runtime.GetBytesForString("FUJIFILMCCD-RAW"));
     _root.AddPath(FileType.Rw2, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked ((int)(0x55)), unchecked ((int)(0x00)) });
 }
Exemplo n.º 7
0
 static FileTypeDetector()
 {
     _root = new ByteTrie<FileType?>();
     _root.SetDefaultValue(FileType.Unknown);
     // https://en.wikipedia.org/wiki/List_of_file_signatures
     _root.AddPath(FileType.Jpeg, new sbyte[] { unchecked((sbyte)0xff), unchecked((sbyte)0xd8) });
     _root.AddPath(FileType.Tiff, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked((int)(0x2a)), unchecked((int)(0x00)) });
     _root.AddPath(FileType.Tiff, Sharpen.Runtime.GetBytesForString("MM"), new sbyte[] { unchecked((int)(0x00)), unchecked((int)(0x2a)) });
     _root.AddPath(FileType.Psd, Sharpen.Runtime.GetBytesForString("8BPS"));
     _root.AddPath(FileType.Png, new sbyte[] { unchecked((sbyte)0x89), unchecked((int)(0x50)), unchecked((int)(0x4E)), unchecked((int)(0x47)), unchecked((int)(0x0D)), unchecked((int)(0x0A)), unchecked((int)(0x1A)), unchecked((int)(0x0A)), unchecked(
         (int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x0D)), unchecked((int)(0x49)), unchecked((int)(0x48)), unchecked((int)(0x44)), unchecked((int)(0x52)) });
     _root.AddPath(FileType.Bmp, Sharpen.Runtime.GetBytesForString("BM"));
     // TODO technically there are other very rare magic numbers for OS/2 BMP files...
     _root.AddPath(FileType.Gif, Sharpen.Runtime.GetBytesForString("GIF87a"));
     _root.AddPath(FileType.Gif, Sharpen.Runtime.GetBytesForString("GIF89a"));
     _root.AddPath(FileType.Ico, new sbyte[] { unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x01)), unchecked((int)(0x00)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked((int)(0x0A)), unchecked((int)(0x00)), unchecked((int)(0x01)) });
     // multiple PCX versions, explicitly listed
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked((int)(0x0A)), unchecked((int)(0x02)), unchecked((int)(0x01)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked((int)(0x0A)), unchecked((int)(0x03)), unchecked((int)(0x01)) });
     _root.AddPath(FileType.Pcx, new sbyte[] { unchecked((int)(0x0A)), unchecked((int)(0x05)), unchecked((int)(0x01)) });
     _root.AddPath(FileType.Riff, Sharpen.Runtime.GetBytesForString("RIFF"));
     _root.AddPath(FileType.Arw, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked((int)(0x2a)), unchecked((int)(0x00)), unchecked((int)(0x08)), unchecked((int)(0x00)) });
     _root.AddPath(FileType.Crw, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked((int)(0x1a)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x00)) }, Sharpen.Runtime.GetBytesForString("HEAPCCDR"));
     _root.AddPath(FileType.Cr2, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked((int)(0x2a)), unchecked((int)(0x00)), unchecked((int)(0x10)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int
         )(0x43)), unchecked((int)(0x52)) });
     _root.AddPath(FileType.Nef, Sharpen.Runtime.GetBytesForString("MM"), new sbyte[] { unchecked((int)(0x00)), unchecked((int)(0x2a)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((int)(0x00)), unchecked((sbyte)0x80), unchecked((int
         )(0x00)) });
     _root.AddPath(FileType.Orf, Sharpen.Runtime.GetBytesForString("IIRO"), new sbyte[] { unchecked((sbyte)0x08), unchecked((int)(0x00)) });
     _root.AddPath(FileType.Orf, Sharpen.Runtime.GetBytesForString("IIRS"), new sbyte[] { unchecked((sbyte)0x08), unchecked((int)(0x00)) });
     _root.AddPath(FileType.Raf, Sharpen.Runtime.GetBytesForString("FUJIFILMCCD-RAW"));
     _root.AddPath(FileType.Rw2, Sharpen.Runtime.GetBytesForString("II"), new sbyte[] { unchecked((int)(0x55)), unchecked((int)(0x00)) });
 }