unsafe protected override BookShelf Deserialize(Stream stream) { // A small Json like {"Books":[{"Title":"Book 1","Id":1}]} // will be translated to the following JsonTokenTypes by the iterator: // String = "Books" // StartArray [ // StartObject { // String "Title" // String "Book 1" // String "Id" // Number 1 // EndObject } // EndArray ] // EndObject } BookShelf lret = new BookShelf() { Books = new List <Book>() }; ReadOnlySpan <byte> booksPropertySpan = BooksProperty; if (stream is MemoryStream mem) { byte[] buffer = mem.GetBuffer(); fixed(byte *ptr = buffer) { using (ParsedJsonN doc = SimdJsonN.ParseJson(ptr, (int)stream.Length)) { // open iterator: myIterator = new ParsedJsonIteratorN(doc); try { while (myIterator.MoveForward() && myIterator.IsString) { if (new Span <byte>(myIterator.GetUtf8String(), (int)myIterator.GetUtf8StringLength()).SequenceEqual(booksPropertySpan)) { if (myIterator.MoveForward() && myIterator.IsObjectOrArray && myIterator.Down()) { ReadBooks(lret.Books); } } } } finally { myIterator.Dispose(); } } } } return(lret); }
public unsafe ulong SimdJsonNUtf8(byte[] data, string fileName, string fileSize) { ulong wordsCount = 0; fixed(byte *dataPtr = data) { using (ParsedJsonN doc = SimdJsonN.ParseJson(dataPtr, data.Length)) using (var iterator = new ParsedJsonIteratorN(doc)) { while (iterator.MoveForward()) { if (iterator.IsString) { if (*iterator.GetUtf8String() == (byte)'a') { wordsCount++; } } } } } return(wordsCount); }