JsonWriterOptions
Allows the user to define custom behavior when writing JSON using the Utf8JsonWriter.
using System.Runtime.CompilerServices;
using System.Text.Encodings.Web;
namespace System.Text.Json
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public struct JsonWriterOptions
{
private static readonly string s_alternateNewLine = (Environment.NewLine.Length == 2) ? "\n" : "\r\n";
internal const int DefaultMaxDepth = 1000;
private int _maxDepth;
private int _optionsMask;
private const int OptionsBitCount = 4;
private const int IndentBit = 1;
private const int SkipValidationBit = 2;
private const int NewLineBit = 4;
private const int IndentCharacterBit = 8;
private const int IndentSizeMask = 2032;
[System.Runtime.CompilerServices.Nullable(2)]
public JavaScriptEncoder Encoder {
[System.Runtime.CompilerServices.IsReadOnly]
[System.Runtime.CompilerServices.NullableContext(2)]
get;
[System.Runtime.CompilerServices.NullableContext(2)]
set;
}
public bool Indented {
get {
return (_optionsMask & 1) != 0;
}
set {
if (value)
_optionsMask |= 1;
else
_optionsMask &= -2;
}
}
public char IndentCharacter {
[System.Runtime.CompilerServices.IsReadOnly]
get {
if ((_optionsMask & 8) == 0)
return ' ';
return '\t';
}
set {
JsonWriterHelper.ValidateIndentCharacter(value);
if (value != ' ')
_optionsMask |= 8;
else
_optionsMask &= -9;
}
}
public int IndentSize {
[System.Runtime.CompilerServices.IsReadOnly]
get {
return EncodeIndentSize((_optionsMask & 2032) >> 4);
}
set {
JsonWriterHelper.ValidateIndentSize(value);
_optionsMask = ((_optionsMask & -2033) | (EncodeIndentSize(value) << 4));
}
}
public int MaxDepth {
[System.Runtime.CompilerServices.IsReadOnly]
get {
return _maxDepth;
}
set {
if (value < 0)
ThrowHelper.ThrowArgumentOutOfRangeException_MaxDepthMustBePositive("value");
_maxDepth = value;
}
}
public bool SkipValidation {
get {
return (_optionsMask & 2) != 0;
}
set {
if (value)
_optionsMask |= 2;
else
_optionsMask &= -3;
}
}
public string NewLine {
get {
if ((_optionsMask & 4) == 0)
return Environment.NewLine;
return s_alternateNewLine;
}
set {
JsonWriterHelper.ValidateNewLine(value);
if (value != Environment.NewLine)
_optionsMask |= 4;
else
_optionsMask &= -5;
}
}
internal bool IndentedOrNotSkipValidation => (_optionsMask & 3) != 2;
private static int EncodeIndentSize(int value)
{
switch (value) {
case 0:
return 2;
case 2:
return 0;
default:
return value;
}
}
}
}