/// <summary> /// Consume a JSON array /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeArray( this JsonParserContext ctx, bool throws ) { if (ctx.ConsumeWhiteSpace().ConsumeAnyChar("[", throws).IsSucceeded) { var jctr = new JArray(); bool shouldThrow = false; do { ctx.Begin(); if (ctx.ConsumeValue(shouldThrow).IsSucceeded) { jctr.Add((JToken)ctx.Result); } shouldThrow = true; }while ((char)ctx.ConsumeWhiteSpace().ConsumeAnyChar(",]", true).Result == ','); ctx.SetResult(jctr); } return(ctx); }
/// <summary> /// Consume a JSON object /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeObject( this JsonParserContext ctx, bool throws ) { if (ctx.ConsumeWhiteSpace().ConsumeAnyChar("{", throws).IsSucceeded) { var jctr = new JObject(); bool shouldThrow = false; do { ctx.Begin(); if (ctx.ConsumeString(shouldThrow).IsSucceeded) { var name = (string)(JValue)ctx.Result; ctx.ConsumeWhiteSpace() .ConsumeAnyChar(":", true) .ConsumeValue(true); jctr.Add(name, (JToken)ctx.Result); } shouldThrow = true; }while ((char)ctx.ConsumeWhiteSpace().ConsumeAnyChar(",}", true).Result == ','); ctx.SetResult(jctr); } return(ctx); }
/// <summary> /// Consume a JSON numeric token /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeNumber( this JsonParserContext ctx, bool throws ) { const string Leading = "-0123456789"; const string Allowed = Leading + ".Ee+"; if (ctx.ConsumeWhiteSpace().ConsumeAnyChar(Leading, throws).IsSucceeded) { JSonReader src = ctx.Begin(); for (int p = src.Position, len = src.Text.Length; p < len; p++) { if (Allowed.IndexOf(src.Text[p]) < 0) { ctx.SetResult( new JValue { BoxedValue = double.Parse(src.Text.Substring(src.Position - 1, p - src.Position + 1)) } ); src.Position = p; break; } } } return(ctx); }
/// <summary> /// Consume the JSON "null" token /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeNull( this JsonParserContext ctx, bool throws ) { if (ctx.ConsumeWhiteSpace().ConsumeAnyChar("n", throws).IsSucceeded) { ctx.ConsumeAllChars("ull", true); ctx.SetResult( new JValue { BoxedValue = null } ); } return(ctx); }
/// <summary> /// Consume a JSON boolean token /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeBoolean( this JsonParserContext ctx, bool throws ) { if (ctx.ConsumeWhiteSpace().ConsumeAnyChar("ft", throws).IsSucceeded) { bool flag = (char)ctx.Result == 't'; ctx.ConsumeAllChars(flag ? "rue" : "alse", true); ctx.SetResult( new JValue { BoxedValue = flag } ); } return(ctx); }
/// <summary> /// Consume a JSON string token /// </summary> /// <param name="ctx"></param> /// <param name="throws"></param> /// <returns></returns> private static JsonParserContext ConsumeString( this JsonParserContext ctx, bool throws ) { if (ctx.ConsumeWhiteSpace().ConsumeAnyChar("\"", throws).IsSucceeded) { JSonReader src = ctx.Begin(); for (int p = src.Position, len = src.Text.Length; p < len; p++) { if ((src.Text[p]) == '"' && (p > 0 ? (src.Text[p - 1]) != '\\' : true)) { string temp = src.Text.Substring(src.Position, p - src.Position); int index = 0; while (index < temp.Length) { if (temp[index] == '\\') { temp = temp.Substring(0, index) + temp.Substring(index + 1, temp.Length - (index + 1)); } index++; } ctx.SetResult( new JValue { BoxedValue = temp } ); src.Position = p + 1; break; } } } return(ctx); }