using Newtonsoft.Json.Utilities; using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Runtime.CompilerServices; using System.Text; namespace Newtonsoft.Json { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] internal struct JsonPosition { private static readonly char[] SpecialCharacters = new char[18] { '.', ' ', '\'', '/', '"', '[', ']', '(', ')', '\t', '\n', '\r', '', '\b', '\\', '…', '
', '
' }; internal JsonContainerType Type; internal int Position; [System.Runtime.CompilerServices.Nullable(2)] internal string PropertyName; internal bool HasIndex; public JsonPosition(JsonContainerType type) { Type = type; HasIndex = TypeHasIndex(type); Position = -1; PropertyName = null; } internal int CalculateLength() { JsonContainerType type = Type; if (type == JsonContainerType.Object) return PropertyName.Length + 5; if ((uint)(type - 2) <= 1) return MathUtils.IntLength((ulong)Position) + 2; throw new ArgumentOutOfRangeException("Type"); } [System.Runtime.CompilerServices.NullableContext(2)] internal void WriteTo([System.Runtime.CompilerServices.Nullable(1)] StringBuilder sb, ref StringWriter writer, ref char[] buffer) { JsonContainerType type = Type; if (type != JsonContainerType.Object) { if ((uint)(type - 2) <= 1) { sb.Append('['); sb.Append(Position); sb.Append(']'); } } else { string propertyName = PropertyName; if (propertyName.IndexOfAny(SpecialCharacters) != -1) { sb.Append("['"); if (writer == null) writer = new StringWriter(sb); JavaScriptUtils.WriteEscapedJavaScriptString(writer, propertyName, '\'', false, JavaScriptUtils.SingleQuoteCharEscapeFlags, StringEscapeHandling.Default, null, ref buffer); sb.Append("']"); } else { if (sb.Length > 0) sb.Append('.'); sb.Append(propertyName); } } } internal static bool TypeHasIndex(JsonContainerType type) { if (type != JsonContainerType.Array) return type == JsonContainerType.Constructor; return true; } internal static string BuildPath(List<JsonPosition> positions, JsonPosition? currentPosition) { int num = 0; JsonPosition jsonPosition; if (positions != null) { for (int i = 0; i < positions.Count; i++) { int num2 = num; jsonPosition = positions[i]; num = num2 + jsonPosition.CalculateLength(); } } if (currentPosition.HasValue) { int num3 = num; jsonPosition = currentPosition.GetValueOrDefault(); num = num3 + jsonPosition.CalculateLength(); } StringBuilder stringBuilder = new StringBuilder(num); StringWriter writer = null; char[] buffer = null; if (positions != null) { foreach (JsonPosition position in positions) { position.WriteTo(stringBuilder, ref writer, ref buffer); } } if (currentPosition.HasValue) { jsonPosition = currentPosition.GetValueOrDefault(); jsonPosition.WriteTo(stringBuilder, ref writer, ref buffer); } return stringBuilder.ToString(); } internal static string FormatMessage([System.Runtime.CompilerServices.Nullable(2)] IJsonLineInfo lineInfo, string path, string message) { if (!message.EndsWith(Environment.NewLine, StringComparison.Ordinal)) { message = message.Trim(); if (!StringUtils.EndsWith(message, '.')) message += "."; message += " "; } message += "Path '{0}'".FormatWith(CultureInfo.InvariantCulture, path); if (lineInfo != null && lineInfo.HasLineInfo()) message += ", line {0}, position {1}".FormatWith(CultureInfo.InvariantCulture, lineInfo.LineNumber, lineInfo.LinePosition); message += "."; return message; } } }