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531
Common/00-1Json8.3/Json8.3/Bson/BsonWriter.cs
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531
Common/00-1Json8.3/Json8.3/Bson/BsonWriter.cs
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#region License
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// Copyright (c) 2007 James Newton-King
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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#endregion
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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#if !(NET20 || NET35 || PORTABLE40 || PORTABLE)
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using System.Numerics;
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#endif
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using System.Text;
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using Newtonsoft.Json.Utilities;
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using Newtonsoft.Json.Linq;
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using System.Globalization;
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namespace Newtonsoft.Json.Bson
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{
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/// <summary>
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/// Represents a writer that provides a fast, non-cached, forward-only way of generating JSON data.
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/// </summary>
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public class BsonWriter : JsonWriter
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{
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private readonly BsonBinaryWriter _writer;
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private BsonToken _root;
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private BsonToken _parent;
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private string _propertyName;
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/// <summary>
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/// Gets or sets the <see cref="DateTimeKind" /> used when writing <see cref="DateTime"/> values to BSON.
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/// When set to <see cref="DateTimeKind.Unspecified" /> no conversion will occur.
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/// </summary>
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/// <value>The <see cref="DateTimeKind" /> used when writing <see cref="DateTime"/> values to BSON.</value>
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public DateTimeKind DateTimeKindHandling
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{
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get { return _writer.DateTimeKindHandling; }
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set { _writer.DateTimeKindHandling = value; }
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="BsonWriter"/> class.
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/// </summary>
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/// <param name="stream">The stream.</param>
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public BsonWriter(Stream stream)
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{
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ValidationUtils.ArgumentNotNull(stream, nameof(stream));
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_writer = new BsonBinaryWriter(new BinaryWriter(stream));
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="BsonWriter"/> class.
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/// </summary>
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/// <param name="writer">The writer.</param>
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public BsonWriter(BinaryWriter writer)
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{
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ValidationUtils.ArgumentNotNull(writer, nameof(writer));
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_writer = new BsonBinaryWriter(writer);
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}
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/// <summary>
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/// Flushes whatever is in the buffer to the underlying streams and also flushes the underlying stream.
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/// </summary>
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public override void Flush()
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{
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_writer.Flush();
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}
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/// <summary>
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/// Writes the end.
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/// </summary>
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/// <param name="token">The token.</param>
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protected override void WriteEnd(JsonToken token)
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{
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base.WriteEnd(token);
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RemoveParent();
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if (Top == 0)
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{
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_writer.WriteToken(_root);
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}
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}
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/// <summary>
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/// Writes out a comment <code>/*...*/</code> containing the specified text.
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/// </summary>
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/// <param name="text">Text to place inside the comment.</param>
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public override void WriteComment(string text)
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{
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throw JsonWriterException.Create(this, "Cannot write JSON comment as BSON.", null);
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}
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/// <summary>
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/// Writes the start of a constructor with the given name.
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/// </summary>
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/// <param name="name">The name of the constructor.</param>
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public override void WriteStartConstructor(string name)
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{
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throw JsonWriterException.Create(this, "Cannot write JSON constructor as BSON.", null);
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}
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/// <summary>
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/// Writes raw JSON.
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/// </summary>
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/// <param name="json">The raw JSON to write.</param>
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public override void WriteRaw(string json)
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{
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throw JsonWriterException.Create(this, "Cannot write raw JSON as BSON.", null);
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}
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/// <summary>
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/// Writes raw JSON where a value is expected and updates the writer's state.
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/// </summary>
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/// <param name="json">The raw JSON to write.</param>
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public override void WriteRawValue(string json)
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{
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throw JsonWriterException.Create(this, "Cannot write raw JSON as BSON.", null);
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}
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/// <summary>
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/// Writes the beginning of a JSON array.
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/// </summary>
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public override void WriteStartArray()
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{
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base.WriteStartArray();
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AddParent(new BsonArray());
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}
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/// <summary>
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/// Writes the beginning of a JSON object.
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/// </summary>
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public override void WriteStartObject()
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{
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base.WriteStartObject();
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AddParent(new BsonObject());
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}
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/// <summary>
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/// Writes the property name of a name/value pair on a JSON object.
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/// </summary>
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/// <param name="name">The name of the property.</param>
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public override void WritePropertyName(string name)
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{
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base.WritePropertyName(name);
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_propertyName = name;
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}
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/// <summary>
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/// Closes this stream and the underlying stream.
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/// </summary>
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public override void Close()
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{
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base.Close();
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if (CloseOutput && _writer != null)
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{
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_writer.Close();
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}
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}
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private void AddParent(BsonToken container)
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{
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AddToken(container);
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_parent = container;
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}
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private void RemoveParent()
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{
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_parent = _parent.Parent;
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}
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private void AddValue(object value, BsonType type)
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{
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AddToken(new BsonValue(value, type));
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}
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internal void AddToken(BsonToken token)
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{
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if (_parent != null)
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{
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if (_parent is BsonObject)
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{
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((BsonObject)_parent).Add(_propertyName, token);
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_propertyName = null;
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}
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else
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{
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((BsonArray)_parent).Add(token);
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}
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}
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else
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{
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if (token.Type != BsonType.Object && token.Type != BsonType.Array)
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{
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throw JsonWriterException.Create(this, "Error writing {0} value. BSON must start with an Object or Array.".FormatWith(CultureInfo.InvariantCulture, token.Type), null);
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}
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_parent = token;
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_root = token;
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}
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}
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#region WriteValue methods
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/// <summary>
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/// Writes a <see cref="Object"/> value.
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/// An error will raised if the value cannot be written as a single JSON token.
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/// </summary>
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/// <param name="value">The <see cref="Object"/> value to write.</param>
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public override void WriteValue(object value)
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{
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#if !(NET20 || NET35 || PORTABLE || PORTABLE40)
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if (value is BigInteger)
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{
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InternalWriteValue(JsonToken.Integer);
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AddToken(new BsonBinary(((BigInteger)value).ToByteArray(), BsonBinaryType.Binary));
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}
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else
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#endif
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{
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base.WriteValue(value);
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}
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}
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/// <summary>
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/// Writes a null value.
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/// </summary>
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public override void WriteNull()
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{
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base.WriteNull();
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AddValue(null, BsonType.Null);
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}
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/// <summary>
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/// Writes an undefined value.
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/// </summary>
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public override void WriteUndefined()
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{
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base.WriteUndefined();
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AddValue(null, BsonType.Undefined);
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}
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/// <summary>
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/// Writes a <see cref="String"/> value.
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/// </summary>
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/// <param name="value">The <see cref="String"/> value to write.</param>
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public override void WriteValue(string value)
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{
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base.WriteValue(value);
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if (value == null)
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{
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AddValue(null, BsonType.Null);
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}
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else
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{
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AddToken(new BsonString(value, true));
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}
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}
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/// <summary>
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/// Writes a <see cref="Int32"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Int32"/> value to write.</param>
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public override void WriteValue(int value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Integer);
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}
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/// <summary>
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/// Writes a <see cref="UInt32"/> value.
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/// </summary>
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/// <param name="value">The <see cref="UInt32"/> value to write.</param>
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[CLSCompliant(false)]
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public override void WriteValue(uint value)
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{
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if (value > int.MaxValue)
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{
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throw JsonWriterException.Create(this, "Value is too large to fit in a signed 32 bit integer. BSON does not support unsigned values.", null);
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}
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base.WriteValue(value);
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AddValue(value, BsonType.Integer);
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}
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/// <summary>
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/// Writes a <see cref="Int64"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Int64"/> value to write.</param>
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public override void WriteValue(long value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Long);
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}
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/// <summary>
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/// Writes a <see cref="UInt64"/> value.
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/// </summary>
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/// <param name="value">The <see cref="UInt64"/> value to write.</param>
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[CLSCompliant(false)]
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public override void WriteValue(ulong value)
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{
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if (value > long.MaxValue)
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{
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throw JsonWriterException.Create(this, "Value is too large to fit in a signed 64 bit integer. BSON does not support unsigned values.", null);
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}
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base.WriteValue(value);
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AddValue(value, BsonType.Long);
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}
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/// <summary>
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/// Writes a <see cref="Single"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Single"/> value to write.</param>
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public override void WriteValue(float value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Number);
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}
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/// <summary>
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/// Writes a <see cref="Double"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Double"/> value to write.</param>
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public override void WriteValue(double value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Number);
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}
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/// <summary>
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/// Writes a <see cref="Boolean"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Boolean"/> value to write.</param>
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public override void WriteValue(bool value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Boolean);
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}
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/// <summary>
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/// Writes a <see cref="Int16"/> value.
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/// </summary>
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/// <param name="value">The <see cref="Int16"/> value to write.</param>
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public override void WriteValue(short value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Integer);
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}
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/// <summary>
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/// Writes a <see cref="UInt16"/> value.
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/// </summary>
|
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/// <param name="value">The <see cref="UInt16"/> value to write.</param>
|
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[CLSCompliant(false)]
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public override void WriteValue(ushort value)
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{
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base.WriteValue(value);
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AddValue(value, BsonType.Integer);
|
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}
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|
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/// <summary>
|
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/// Writes a <see cref="Char"/> value.
|
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/// </summary>
|
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/// <param name="value">The <see cref="Char"/> value to write.</param>
|
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public override void WriteValue(char value)
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{
|
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base.WriteValue(value);
|
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string s = null;
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#if !(DOTNET || PORTABLE40 || PORTABLE)
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s = value.ToString(CultureInfo.InvariantCulture);
|
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#else
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||||
s = value.ToString();
|
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#endif
|
||||
AddToken(new BsonString(s, true));
|
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}
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|
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/// <summary>
|
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/// Writes a <see cref="Byte"/> value.
|
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/// </summary>
|
||||
/// <param name="value">The <see cref="Byte"/> value to write.</param>
|
||||
public override void WriteValue(byte value)
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||||
{
|
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base.WriteValue(value);
|
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AddValue(value, BsonType.Integer);
|
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}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="SByte"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="SByte"/> value to write.</param>
|
||||
[CLSCompliant(false)]
|
||||
public override void WriteValue(sbyte value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddValue(value, BsonType.Integer);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="Decimal"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="Decimal"/> value to write.</param>
|
||||
public override void WriteValue(decimal value)
|
||||
{
|
||||
base.WriteValue(value);
|
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AddValue(value, BsonType.Number);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="DateTime"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="DateTime"/> value to write.</param>
|
||||
public override void WriteValue(DateTime value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
value = DateTimeUtils.EnsureDateTime(value, DateTimeZoneHandling);
|
||||
AddValue(value, BsonType.Date);
|
||||
}
|
||||
|
||||
#if !NET20
|
||||
/// <summary>
|
||||
/// Writes a <see cref="DateTimeOffset"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="DateTimeOffset"/> value to write.</param>
|
||||
public override void WriteValue(DateTimeOffset value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddValue(value, BsonType.Date);
|
||||
}
|
||||
#endif
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="Byte"/>[] value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="Byte"/>[] value to write.</param>
|
||||
public override void WriteValue(byte[] value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddToken(new BsonBinary(value, BsonBinaryType.Binary));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="Guid"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="Guid"/> value to write.</param>
|
||||
public override void WriteValue(Guid value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddToken(new BsonBinary(value.ToByteArray(), BsonBinaryType.Uuid));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="TimeSpan"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="TimeSpan"/> value to write.</param>
|
||||
public override void WriteValue(TimeSpan value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddToken(new BsonString(value.ToString(), true));
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="Uri"/> value.
|
||||
/// </summary>
|
||||
/// <param name="value">The <see cref="Uri"/> value to write.</param>
|
||||
public override void WriteValue(Uri value)
|
||||
{
|
||||
base.WriteValue(value);
|
||||
AddToken(new BsonString(value.ToString(), true));
|
||||
}
|
||||
#endregion
|
||||
|
||||
/// <summary>
|
||||
/// Writes a <see cref="Byte"/>[] value that represents a BSON object id.
|
||||
/// </summary>
|
||||
/// <param name="value">The Object ID value to write.</param>
|
||||
public void WriteObjectId(byte[] value)
|
||||
{
|
||||
ValidationUtils.ArgumentNotNull(value, nameof(value));
|
||||
|
||||
if (value.Length != 12)
|
||||
{
|
||||
throw JsonWriterException.Create(this, "An object id must be 12 bytes", null);
|
||||
}
|
||||
|
||||
// hack to update the writer state
|
||||
UpdateScopeWithFinishedValue();
|
||||
AutoComplete(JsonToken.Undefined);
|
||||
AddValue(value, BsonType.Oid);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Writes a BSON regex.
|
||||
/// </summary>
|
||||
/// <param name="pattern">The regex pattern.</param>
|
||||
/// <param name="options">The regex options.</param>
|
||||
public void WriteRegex(string pattern, string options)
|
||||
{
|
||||
ValidationUtils.ArgumentNotNull(pattern, nameof(pattern));
|
||||
|
||||
// hack to update the writer state
|
||||
UpdateScopeWithFinishedValue();
|
||||
AutoComplete(JsonToken.Undefined);
|
||||
AddToken(new BsonRegex(pattern, options));
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user