private/runtime/JsonObjectExtensions.cs
|
namespace Carbon.Json { using System; using System.Collections.Generic; using System.Globalization; using System.Linq; public partial class JsonObject { public void SafeAdd(string name, Func<JsonNode> valueFn) { if (valueFn != null) { var value = valueFn(); if (null != value) { items.Add(name, value); } } } public void SafeAdd(string name, JsonNode value) { if (null != value) { items.Add(name, value); } } public T NullableProperty<T>(string propertyName) where T : JsonNode { if (this.TryGetValue(propertyName, out JsonNode value)) { if (value.IsNull) { return null; } if (value is T tval) { return tval; } /* it's present, but not the correct type... */ //throw new Exception($"Property {propertyName} in object expected type {typeof(T).Name} but value of type {value.Type.ToString()} was found."); } return null; } public JsonObject Property(string propertyName) { return PropertyT<JsonObject>(propertyName); } public T PropertyT<T>(string propertyName) where T : JsonNode { if (this.TryGetValue(propertyName, out JsonNode value)) { if (value.IsNull) { return null; // we're going to assume that the consumer knows what to do if null is explicity returned? } if (value is T tval) { return tval; } /* it's present, but not the correct type... */ // throw new Exception($"Property {propertyName} in object expected type {typeof(T).Name} but value of type {value.Type.ToString()} was found."); } return null; } public int NumberProperty(string propertyName, ref int output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToInt() ?? output; public float NumberProperty(string propertyName, ref float output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToFloat() ?? output; public byte NumberProperty(string propertyName, ref byte output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToByte() ?? output; public long NumberProperty(string propertyName, ref long output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToLong() ?? output; public double NumberProperty(string propertyName, ref double output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToDouble() ?? output; public decimal NumberProperty(string propertyName, ref decimal output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToDecimal() ?? output; public short NumberProperty(string propertyName, ref short output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToShort() ?? output; public DateTime NumberProperty(string propertyName, ref DateTime output) => output = this.PropertyT<JsonNumber>(propertyName)?.ToDateTime() ?? output; public int? NumberProperty(string propertyName, ref int? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToInt() ?? null; public float? NumberProperty(string propertyName, ref float? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToFloat() ?? null; public byte? NumberProperty(string propertyName, ref byte? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToByte() ?? null; public long? NumberProperty(string propertyName, ref long? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToLong() ?? null; public double? NumberProperty(string propertyName, ref double? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToDouble() ?? null; public decimal? NumberProperty(string propertyName, ref decimal? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToDecimal() ?? null; public short? NumberProperty(string propertyName, ref short? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToShort() ?? null; public DateTime? NumberProperty(string propertyName, ref DateTime? output) => output = this.NullableProperty<JsonNumber>(propertyName)?.ToDateTime() ?? null; public string StringProperty(string propertyName) => this.PropertyT<JsonString>(propertyName)?.ToString(); public string StringProperty(string propertyName, ref string output) => output = this.PropertyT<JsonString>(propertyName)?.ToString() ?? output; public char StringProperty(string propertyName, ref char output) => output = this.PropertyT<JsonString>(propertyName)?.ToChar() ?? output; public char? StringProperty(string propertyName, ref char? output) => output = this.PropertyT<JsonString>(propertyName)?.ToChar() ?? null; public DateTime StringProperty(string propertyName, ref DateTime output) => DateTime.TryParse(this.PropertyT<JsonString>(propertyName)?.ToString(), out output) ? output : output; public DateTime? StringProperty(string propertyName, ref DateTime? output) => output = DateTime.TryParse(this.PropertyT<JsonString>(propertyName)?.ToString(), out var o) ? o : output; public bool BooleanProperty(string propertyName, ref bool output) => output = this.PropertyT<JsonBoolean>(propertyName)?.ToBoolean() ?? output; public bool? BooleanProperty(string propertyName, ref bool? output) => output = this.PropertyT<JsonBoolean>(propertyName)?.ToBoolean() ?? null; public T[] ArrayProperty<T>(string propertyName, ref T[] output, Func<JsonNode, T> deserializer) { var array = this.PropertyT<JsonArray>(propertyName); if (array != null) { output = new T[array.Count]; for (var i = 0; i < output.Length; i++) { output[i] = deserializer(array[i]); } } return output; } public Dictionary<string, T> DictionaryProperty<T>(string propertyName, ref Dictionary<string, T> output, Func<JsonNode, T> deserializer) { var dictionary = this.PropertyT<JsonObject>(propertyName); if (output == null) { output = new Dictionary<string, T>(); } else { output.Clear(); } if (dictionary != null) { foreach (var key in dictionary.Keys) { output[key] = deserializer(dictionary[key]); } } return output; } public static JsonObject Create<T>(IDictionary<string, T> source, Func<T, JsonNode> selector) { if (source == null || selector == null) { return null; } var result = new JsonObject(); foreach (var key in source.Keys) { result.SafeAdd(key, selector(source[key])); } return result; } } public class foo<T> where T : new() { } public partial class JsonString { public static string DateFormat = "yyyy-MM-dd"; public static string DateTimeFormat = "yyyy'-'MM'-'dd'T'HH':'mm':'ss.FFFFFFFK"; public static string DateTimeRfc1123Format = "R"; public static JsonString Create(string value) => value == null ? null : new JsonString(value); public static JsonString Create(char? value) => value is char c ? new JsonString(c.ToString()) : null; public static JsonString CreateDate(DateTime? value) => value is DateTime date ? new JsonString(date.ToString(DateFormat, CultureInfo.CurrentCulture)) : null; public static JsonString CreateDateTime(DateTime? value) => value is DateTime date ? new JsonString(date.ToString(DateTimeFormat, CultureInfo.CurrentCulture)) : null; public static JsonString CreateDateTimeRfc1123(DateTime? value) => value is DateTime date ? new JsonString(date.ToString(DateTimeRfc1123Format, CultureInfo.CurrentCulture)) : null; public char ToChar() => this.Value?.ToString()?.FirstOrDefault() ?? default(char); public static implicit operator char(JsonString value) => value?.ToString()?.FirstOrDefault() ?? default(char); public static implicit operator char? (JsonString value) => value?.ToString()?.FirstOrDefault(); public static implicit operator DateTime(JsonString value) => DateTime.TryParse(value, out var output) ? output : default(DateTime); public static implicit operator DateTime? (JsonString value) => DateTime.TryParse(value, out var output) ? output : default(DateTime?); } public partial class JsonBoolean { public static JsonBoolean Create(bool? value) => value is bool b ? new JsonBoolean(b) : null; public bool ToBoolean() => Value; } public partial class JsonNumber { public static readonly DateTime EpochDate = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); private static long ToUnixTime(DateTime dateTime) { return (long)dateTime.Subtract(EpochDate).TotalSeconds; } private static DateTime FromUnixTime(long totalSeconds) { return EpochDate.AddSeconds(totalSeconds); } public byte ToByte() => this; public int ToInt() => this; public long ToLong() => this; public short ToShort() => this; public UInt16 ToUInt16() => this; public UInt32 ToUInt32() => this; public UInt64 ToUInt64() => this; public decimal ToDecimal() => this; public double ToDouble() => this; public float ToFloat() => this; public static JsonNumber Create(int? value) => value is int n ? new JsonNumber(n) : null; public static JsonNumber Create(long? value) => value is long n ? new JsonNumber(n) : null; public static JsonNumber Create(float? value) => value is float n ? new JsonNumber(n) : null; public static JsonNumber Create(double? value) => value is double n ? new JsonNumber(n) : null; public static JsonNumber Create(decimal? value) => value is decimal n ? new JsonNumber(n) : null; public static JsonNumber Create(DateTime? value) => value is DateTime date ? new JsonNumber(ToUnixTime(date)) : null; public static implicit operator DateTime(JsonNumber number) => FromUnixTime(number); public DateTime ToDateTime() => this; public JsonNumber(decimal value) { this.value = value.ToString(); } } public partial class XNodeArray { public static XNodeArray Create<T>(T[] source, Func<T, JsonNode> selector) { if (source == null || selector == null) { return null; } var result = new XNodeArray(); foreach (var item in source.Select(selector)) { result.SafeAdd(item); } return result; } public void SafeAdd(JsonNode item) { if (item != null) { items.Add(item); } } public void SafeAdd(Func<JsonNode> itemFn) { if (itemFn != null) { var item = itemFn(); if (item != null) { items.Add(item); } } } } } |