static unsafe void Main(string[] args) { string helloWorldJson = @"{ ""answer"": 42, ""name"": ""Egor"" }"; ReadOnlySpan <byte> bytes = Encoding.UTF8.GetBytes(helloWorldJson); // SimdJson is UTF8 only fixed(byte *ptr = bytes) { // SimdJsonN -- N stands for Native, it means we are using Bindings for simdjson native lib // SimdJson -- fully managed .NET Core 3.0 port using (ParsedJsonN doc = SimdJsonN.ParseJson(ptr, bytes.Length)) { Console.WriteLine($"Is json valid:{doc.IsValid}\n"); // open iterator: using (var iterator = new ParsedJsonIteratorN(doc)) { while (iterator.MoveForward()) { if (iterator.IsInteger) { Console.WriteLine("integer: " + iterator.GetInteger()); } if (iterator.IsString) { Console.WriteLine("string: " + iterator.GetUtf16String()); } } } } } }
public unsafe ulong SimdJsonNUtf16(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.GetUtf16String().StartsWith('a')) // UTF16 in SimdJsonN is expected to be slow for now (see https://github.com/lemire/simdjson/pull/101) { wordsCount++; } } } } } return(wordsCount); }