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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.Runtime.Serialization.Json
{
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Runtime;
using System.Runtime.Serialization;
using System.Security;
using System.ServiceModel;
using System.Text;
using System.Xml;
class XmlJsonWriter : XmlDictionaryWriter, IXmlJsonWriterInitializer
{
const char BACK_SLASH = '\\';
const char FORWARD_SLASH = '/';
const char HIGH_SURROGATE_START = (char)0xd800;
const char LOW_SURROGATE_END = (char)0xdfff;
const char MAX_CHAR = (char)0xfffe;
const char WHITESPACE = ' ';
const char CARRIAGE_RETURN = '\r';
const char NEWLINE = '\n';
const char BACKSPACE = '\b';
const char FORM_FEED = '\f';
const char HORIZONTAL_TABULATION = '\t';
const string xmlNamespace = "http://www.w3.org/XML/1998/namespace";
const string xmlnsNamespace = "http://www.w3.org/2000/xmlns/";
[Fx.Tag.SecurityNote(Critical = "Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static BinHexEncoding binHexEncoding;
// This array was part of a perf improvement for escaping characters < WHITESPACE.
static char[] CharacterAbbrevs;
string attributeText;
JsonDataType dataType;
int depth;
bool endElementBuffer;
bool isWritingDataTypeAttribute;
bool isWritingServerTypeAttribute;
bool isWritingXmlnsAttribute;
bool isWritingXmlnsAttributeDefaultNs;
NameState nameState;
JsonNodeType nodeType;
JsonNodeWriter nodeWriter;
JsonNodeType[] scopes;
string serverTypeValue;
// Do not use this field's value anywhere other than the WriteState property.
// It's OK to set this field's value anywhere and then change the WriteState property appropriately.
// If it's necessary to check the WriteState outside WriteState, use the WriteState property.
WriteState writeState;
bool wroteServerTypeAttribute;
bool indent;
string indentChars;
int indentLevel;
public XmlJsonWriter() : this(false, null) { }
public XmlJsonWriter(bool indent, string indentChars)
{
this.indent = indent;
if (indent)
{
if (indentChars == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("indentChars");
}
this.indentChars = indentChars;
}
InitializeWriter();
if (CharacterAbbrevs == null)
{
CharacterAbbrevs = GetCharacterAbbrevs();
}
}
private static char[] GetCharacterAbbrevs()
{
var abbrevs = new char[WHITESPACE];
for(int i = 0; i < WHITESPACE; i++)
{
char abbrev;
if (!LocalAppContextSwitches.DoNotUseEcmaScriptV6EscapeControlCharacter && TryEscapeControlCharacter((char)i, out abbrev))
{
abbrevs[i] = abbrev;
}
else
{
abbrevs[i] = (char) 0;
}
}
return abbrevs;
}
private static bool TryEscapeControlCharacter(char ch, out char abbrev)
{
switch (ch)
{
case BACKSPACE:
abbrev = 'b';
break;
case HORIZONTAL_TABULATION:
abbrev = 't';
break;
case NEWLINE:
abbrev = 'n';
break;
case FORM_FEED:
abbrev = 'f';
break;
case CARRIAGE_RETURN:
abbrev = 'r';
break;
default:
abbrev = ' ';
return false;
}
return true;
}
enum JsonDataType
{
None,
Null,
Boolean,
Number,
String,
Object,
Array
};
[Flags]
enum NameState
{
None = 0,
IsWritingNameWithMapping = 1,
IsWritingNameAttribute = 2,
WrittenNameWithMapping = 4,
}
public override XmlWriterSettings Settings
{
// The XmlWriterSettings object used to create this writer instance.
// If this writer was not created using the Create method, this property
// returns a null reference.
get { return null; }
}
public override WriteState WriteState
{
get
{
if (writeState == WriteState.Closed)
{
return WriteState.Closed;
}
if (HasOpenAttribute)
{
return WriteState.Attribute;
}
switch (nodeType)
{
case JsonNodeType.None:
return WriteState.Start;
case JsonNodeType.Element:
return WriteState.Element;
case JsonNodeType.QuotedText:
case JsonNodeType.StandaloneText:
case JsonNodeType.EndElement:
return WriteState.Content;
default:
return WriteState.Error;
}
}
}
public override string XmlLang
{
get { return null; }
}
public override XmlSpace XmlSpace
{
get { return XmlSpace.None; }
}
static BinHexEncoding BinHexEncoding
{
[Fx.Tag.SecurityNote(Critical = "Fetches the critical binHexEncoding field.",
Safe = "Get-only properties only need to be protected for write; initialized in getter if null.")]
[SecuritySafeCritical]
get
{
if (binHexEncoding == null)
{
binHexEncoding = new BinHexEncoding();
}
return binHexEncoding;
}
}
bool HasOpenAttribute
{
get
{
return (isWritingDataTypeAttribute || isWritingServerTypeAttribute || IsWritingNameAttribute || isWritingXmlnsAttribute);
}
}
bool IsClosed
{
get { return (WriteState == WriteState.Closed); }
}
bool IsWritingCollection
{
get { return (depth > 0) && (scopes[depth] == JsonNodeType.Collection); }
}
bool IsWritingNameAttribute
{
get { return (nameState & NameState.IsWritingNameAttribute) == NameState.IsWritingNameAttribute; }
}
bool IsWritingNameWithMapping
{
get { return (nameState & NameState.IsWritingNameWithMapping) == NameState.IsWritingNameWithMapping; }
}
bool WrittenNameWithMapping
{
get { return (nameState & NameState.WrittenNameWithMapping) == NameState.WrittenNameWithMapping; }
}
public override void Close()
{
if (!IsClosed)
{
try
{
WriteEndDocument();
}
finally
{
try
{
nodeWriter.Flush();
nodeWriter.Close();
}
finally
{
writeState = WriteState.Closed;
if (depth != 0)
{
depth = 0;
}
}
}
}
}
public override void Flush()
{
if (IsClosed)
{
ThrowClosed();
}
nodeWriter.Flush();
}
public override string LookupPrefix(string ns)
{
if (ns == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("ns");
}
if (ns == Globals.XmlnsNamespace)
{
return Globals.XmlnsPrefix;
}
if (ns == xmlNamespace)
{
return JsonGlobals.xmlPrefix;
}
if (ns == string.Empty)
{
return string.Empty;
}
return null;
}
public void SetOutput(Stream stream, Encoding encoding, bool ownsStream)
{
if (stream == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("stream");
}
if (encoding == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("encoding");
}
if (encoding.WebName != Encoding.UTF8.WebName)
{
stream = new JsonEncodingStreamWrapper(stream, encoding, false);
}
else
{
encoding = null;
}
if (nodeWriter == null)
{
nodeWriter = new JsonNodeWriter();
}
nodeWriter.SetOutput(stream, ownsStream, encoding);
InitializeWriter();
}
public override void WriteArray(string prefix, string localName, string namespaceUri, bool[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, Int16[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, Int32[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, Int64[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, float[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, double[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, decimal[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, DateTime[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, Guid[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, string localName, string namespaceUri, TimeSpan[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, bool[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, decimal[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, double[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, float[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, int[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, long[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, short[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, DateTime[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, Guid[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, TimeSpan[] array, int offset, int count)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonWriteArrayNotSupported)));
}
public override void WriteBase64(byte[] buffer, int index, int count)
{
if (buffer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("buffer");
}
// Not checking upper bound because it will be caught by "count". This is what XmlTextWriter does.
if (index < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("index", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count > buffer.Length - index)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count",
SR.GetString(SR.JsonSizeExceedsRemainingBufferSpace,
buffer.Length - index)));
}
StartText();
nodeWriter.WriteBase64Text(buffer, 0, buffer, index, count);
}
public override void WriteBinHex(byte[] buffer, int index, int count)
{
if (buffer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("buffer");
}
// Not checking upper bound because it will be caught by "count". This is what XmlTextWriter does.
if (index < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("index", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count > buffer.Length - index)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count",
SR.GetString(SR.JsonSizeExceedsRemainingBufferSpace,
buffer.Length - index)));
}
StartText();
WriteEscapedJsonString(BinHexEncoding.GetString(buffer, index, count));
}
public override void WriteCData(string text)
{
WriteString(text);
}
public override void WriteCharEntity(char ch)
{
WriteString(ch.ToString());
}
public override void WriteChars(char[] buffer, int index, int count)
{
if (buffer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("buffer");
}
// Not checking upper bound because it will be caught by "count". This is what XmlTextWriter does.
if (index < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("index", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count > buffer.Length - index)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count",
SR.GetString(SR.JsonSizeExceedsRemainingBufferSpace,
buffer.Length - index)));
}
WriteString(new string(buffer, index, count));
}
public override void WriteComment(string text)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteComment")));
}
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "2#sysid", Justification = "This method is derived from the base")]
[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "1#pubid", Justification = "This method is derived from the base")]
public override void WriteDocType(string name, string pubid, string sysid, string subset)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteDocType")));
}
public override void WriteEndAttribute()
{
if (IsClosed)
{
ThrowClosed();
}
if (!HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonNoMatchingStartAttribute)));
}
Fx.Assert(!(isWritingDataTypeAttribute && isWritingServerTypeAttribute),
"Can not write type attribute and __type attribute at the same time.");
if (isWritingDataTypeAttribute)
{
switch (attributeText)
{
case JsonGlobals.numberString:
{
ThrowIfServerTypeWritten(JsonGlobals.numberString);
dataType = JsonDataType.Number;
break;
}
case JsonGlobals.stringString:
{
ThrowIfServerTypeWritten(JsonGlobals.stringString);
dataType = JsonDataType.String;
break;
}
case JsonGlobals.arrayString:
{
ThrowIfServerTypeWritten(JsonGlobals.arrayString);
dataType = JsonDataType.Array;
break;
}
case JsonGlobals.objectString:
{
dataType = JsonDataType.Object;
break;
}
case JsonGlobals.nullString:
{
ThrowIfServerTypeWritten(JsonGlobals.nullString);
dataType = JsonDataType.Null;
break;
}
case JsonGlobals.booleanString:
{
ThrowIfServerTypeWritten(JsonGlobals.booleanString);
dataType = JsonDataType.Boolean;
break;
}
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonUnexpectedAttributeValue, attributeText)));
}
attributeText = null;
isWritingDataTypeAttribute = false;
if (!IsWritingNameWithMapping || WrittenNameWithMapping)
{
WriteDataTypeServerType();
}
}
else if (isWritingServerTypeAttribute)
{
serverTypeValue = attributeText;
attributeText = null;
isWritingServerTypeAttribute = false;
// we are writing __type after type="object" (enforced by WSE)
if ((!IsWritingNameWithMapping || WrittenNameWithMapping) && dataType == JsonDataType.Object)
{
WriteServerTypeAttribute();
}
}
else if (IsWritingNameAttribute)
{
WriteJsonElementName(attributeText);
attributeText = null;
nameState = NameState.IsWritingNameWithMapping | NameState.WrittenNameWithMapping;
WriteDataTypeServerType();
}
else if (isWritingXmlnsAttribute)
{
if (!string.IsNullOrEmpty(attributeText) && isWritingXmlnsAttributeDefaultNs)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("ns", SR.GetString(SR.JsonNamespaceMustBeEmpty, attributeText));
}
attributeText = null;
isWritingXmlnsAttribute = false;
isWritingXmlnsAttributeDefaultNs = false;
}
}
public override void WriteEndDocument()
{
if (IsClosed)
{
ThrowClosed();
}
if (nodeType != JsonNodeType.None)
{
while (depth > 0)
{
WriteEndElement();
}
}
}
public override void WriteEndElement()
{
if (IsClosed)
{
ThrowClosed();
}
if (depth == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonEndElementNoOpenNodes)));
}
if (HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonOpenAttributeMustBeClosedFirst, "WriteEndElement")));
}
endElementBuffer = false;
JsonNodeType token = ExitScope();
if (token == JsonNodeType.Collection)
{
indentLevel--;
if (indent)
{
if (nodeType == JsonNodeType.Element)
{
nodeWriter.WriteText(WHITESPACE);
}
else
{
WriteNewLine();
WriteIndent();
}
}
nodeWriter.WriteText(JsonGlobals.EndCollectionChar);
token = ExitScope();
}
else if (nodeType == JsonNodeType.QuotedText)
{
// For writing "
WriteJsonQuote();
}
else if (nodeType == JsonNodeType.Element)
{
if ((dataType == JsonDataType.None) && (serverTypeValue != null))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonMustSpecifyDataType,
JsonGlobals.typeString, JsonGlobals.objectString, JsonGlobals.serverTypeString)));
}
if (IsWritingNameWithMapping && !WrittenNameWithMapping)
{
// Ending </item> without writing item attribute
// Not providing a better error message because localization deadline has passed.
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonMustSpecifyDataType,
JsonGlobals.itemString, string.Empty, JsonGlobals.itemString)));
}
// the element is empty, it does not have any content,
if ((dataType == JsonDataType.None) ||
(dataType == JsonDataType.String))
{
nodeWriter.WriteText(JsonGlobals.QuoteChar);
nodeWriter.WriteText(JsonGlobals.QuoteChar);
}
}
else
{
// Assert on only StandaloneText and EndElement because preceding if
// conditions take care of checking for QuotedText and Element.
Fx.Assert((nodeType == JsonNodeType.StandaloneText) || (nodeType == JsonNodeType.EndElement),
"nodeType has invalid value " + nodeType + ". Expected it to be QuotedText, Element, StandaloneText, or EndElement.");
}
if (depth != 0)
{
if (token == JsonNodeType.Element)
{
endElementBuffer = true;
}
else if (token == JsonNodeType.Object)
{
indentLevel--;
if (indent)
{
if (nodeType == JsonNodeType.Element)
{
nodeWriter.WriteText(WHITESPACE);
}
else
{
WriteNewLine();
WriteIndent();
}
}
nodeWriter.WriteText(JsonGlobals.EndObjectChar);
if ((depth > 0) && scopes[depth] == JsonNodeType.Element)
{
ExitScope();
endElementBuffer = true;
}
}
}
dataType = JsonDataType.None;
nodeType = JsonNodeType.EndElement;
nameState = NameState.None;
wroteServerTypeAttribute = false;
}
public override void WriteEntityRef(string name)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteEntityRef")));
}
public override void WriteFullEndElement()
{
WriteEndElement();
}
public override void WriteProcessingInstruction(string name, string text)
{
if (IsClosed)
{
ThrowClosed();
}
if (!name.Equals("xml", StringComparison.OrdinalIgnoreCase))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.JsonXmlProcessingInstructionNotSupported), "name"));
}
if (WriteState != WriteState.Start)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.JsonXmlInvalidDeclaration)));
}
}
public override void WriteQualifiedName(string localName, string ns)
{
if (localName == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
}
if (localName.Length == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("localName",
SR.GetString(SR.JsonInvalidLocalNameEmpty));
}
if (ns == null)
{
ns = string.Empty;
}
base.WriteQualifiedName(localName, ns);
}
public override void WriteRaw(string data)
{
WriteString(data);
}
public override void WriteRaw(char[] buffer, int index, int count)
{
if (buffer == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("buffer");
}
// Not checking upper bound because it will be caught by "count". This is what XmlTextWriter does.
if (index < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("index", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count < 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count", SR.GetString(SR.ValueMustBeNonNegative)));
}
if (count > buffer.Length - index)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new ArgumentOutOfRangeException("count",
SR.GetString(SR.JsonSizeExceedsRemainingBufferSpace,
buffer.Length - index)));
}
WriteString(new string(buffer, index, count));
}
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization", "CA1308:NormalizeStringsToUppercase")] // Microsoft, ToLowerInvariant is just used in Json error message
public override void WriteStartAttribute(string prefix, string localName, string ns)
{
if (IsClosed)
{
ThrowClosed();
}
if (!string.IsNullOrEmpty(prefix))
{
if (IsWritingNameWithMapping && prefix == JsonGlobals.xmlnsPrefix)
{
if (ns != null && ns != xmlnsNamespace)
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.Runtime.Serialization.SR.GetString(System.Runtime.Serialization.SR.XmlPrefixBoundToNamespace, "xmlns", xmlnsNamespace, ns), "ns"));
}
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("prefix", SR.GetString(SR.JsonPrefixMustBeNullOrEmpty, prefix));
}
}
else
{
if (IsWritingNameWithMapping && ns == xmlnsNamespace && localName != JsonGlobals.xmlnsPrefix)
{
prefix = JsonGlobals.xmlnsPrefix;
}
}
if (!string.IsNullOrEmpty(ns))
{
if (IsWritingNameWithMapping && ns == xmlnsNamespace)
{
prefix = JsonGlobals.xmlnsPrefix;
}
else if (string.IsNullOrEmpty(prefix) && localName == JsonGlobals.xmlnsPrefix && ns == xmlnsNamespace)
{
prefix = JsonGlobals.xmlnsPrefix;
isWritingXmlnsAttributeDefaultNs = true;
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("ns", SR.GetString(SR.JsonNamespaceMustBeEmpty, ns));
}
}
if (localName == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
}
if (localName.Length == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("localName", SR.GetString(SR.JsonInvalidLocalNameEmpty));
}
if ((nodeType != JsonNodeType.Element) && !wroteServerTypeAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.GetString(SR.JsonAttributeMustHaveElement)));
}
if (HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonOpenAttributeMustBeClosedFirst, "WriteStartAttribute")));
}
if (prefix == JsonGlobals.xmlnsPrefix)
{
isWritingXmlnsAttribute = true;
}
else if (localName == JsonGlobals.typeString)
{
if (dataType != JsonDataType.None)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonAttributeAlreadyWritten, JsonGlobals.typeString)));
}
isWritingDataTypeAttribute = true;
}
else if (localName == JsonGlobals.serverTypeString)
{
if (serverTypeValue != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonAttributeAlreadyWritten, JsonGlobals.serverTypeString)));
}
if ((dataType != JsonDataType.None) && (dataType != JsonDataType.Object))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonServerTypeSpecifiedForInvalidDataType,
JsonGlobals.serverTypeString, JsonGlobals.typeString, dataType.ToString().ToLowerInvariant(), JsonGlobals.objectString)));
}
isWritingServerTypeAttribute = true;
}
else if (localName == JsonGlobals.itemString)
{
if (WrittenNameWithMapping)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonAttributeAlreadyWritten, JsonGlobals.itemString)));
}
if (!IsWritingNameWithMapping)
{
// Don't write attribute with local name "item" if <item> element is not open.
// Not providing a better error message because localization deadline has passed.
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonEndElementNoOpenNodes)));
}
nameState |= NameState.IsWritingNameAttribute;
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("localName", SR.GetString(SR.JsonUnexpectedAttributeLocalName, localName));
}
}
public override void WriteStartDocument(bool standalone)
{
// In XML, writes the XML declaration with the version "1.0" and the standalone attribute.
WriteStartDocument();
}
public override void WriteStartDocument()
{
// In XML, writes the XML declaration with the version "1.0".
if (IsClosed)
{
ThrowClosed();
}
if (WriteState != WriteState.Start)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(
SR.GetString(SR.JsonInvalidWriteState, "WriteStartDocument", WriteState.ToString())));
}
}
public override void WriteStartElement(string prefix, string localName, string ns)
{
if (localName == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("localName");
}
if (localName.Length == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("localName",
SR.GetString(SR.JsonInvalidLocalNameEmpty));
}
if (!string.IsNullOrEmpty(prefix))
{
if (string.IsNullOrEmpty(ns) || !TrySetWritingNameWithMapping(localName, ns))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("prefix", SR.GetString(SR.JsonPrefixMustBeNullOrEmpty, prefix));
}
}
if (!string.IsNullOrEmpty(ns))
{
if (!TrySetWritingNameWithMapping(localName, ns))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("ns", SR.GetString(SR.JsonNamespaceMustBeEmpty, ns));
}
}
if (IsClosed)
{
ThrowClosed();
}
if (HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonOpenAttributeMustBeClosedFirst, "WriteStartElement")));
}
if ((nodeType != JsonNodeType.None) && depth == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonMultipleRootElementsNotAllowedOnWriter)));
}
switch (nodeType)
{
case JsonNodeType.None:
{
if (!localName.Equals(JsonGlobals.rootString))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidRootElementName, localName, JsonGlobals.rootString)));
}
EnterScope(JsonNodeType.Element);
break;
}
case JsonNodeType.Element:
{
if ((dataType != JsonDataType.Array) && (dataType != JsonDataType.Object))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonNodeTypeArrayOrObjectNotSpecified)));
}
if (indent)
{
WriteNewLine();
WriteIndent();
}
if (!IsWritingCollection)
{
if (nameState != NameState.IsWritingNameWithMapping)
{
WriteJsonElementName(localName);
}
}
else if (!localName.Equals(JsonGlobals.itemString))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidItemNameForArrayElement, localName, JsonGlobals.itemString)));
}
EnterScope(JsonNodeType.Element);
break;
}
case JsonNodeType.EndElement:
{
if (endElementBuffer)
{
nodeWriter.WriteText(JsonGlobals.MemberSeparatorChar);
}
if (indent)
{
WriteNewLine();
WriteIndent();
}
if (!IsWritingCollection)
{
if (nameState != NameState.IsWritingNameWithMapping)
{
WriteJsonElementName(localName);
}
}
else if (!localName.Equals(JsonGlobals.itemString))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidItemNameForArrayElement, localName, JsonGlobals.itemString)));
}
EnterScope(JsonNodeType.Element);
break;
}
default:
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidStartElementCall)));
}
isWritingDataTypeAttribute = false;
isWritingServerTypeAttribute = false;
isWritingXmlnsAttribute = false;
wroteServerTypeAttribute = false;
serverTypeValue = null;
dataType = JsonDataType.None;
nodeType = JsonNodeType.Element;
}
public override void WriteString(string text)
{
if (HasOpenAttribute && (text != null))
{
attributeText += text;
}
else
{
if (text == null)
{
text = string.Empty;
}
// do work only when not indenting whitespaces
if (!((this.dataType == JsonDataType.Array || this.dataType == JsonDataType.Object || this.nodeType == JsonNodeType.EndElement) && XmlConverter.IsWhitespace(text)))
{
StartText();
WriteEscapedJsonString(text);
}
}
}
public override void WriteSurrogateCharEntity(char lowChar, char highChar)
{
WriteString(string.Concat(highChar, lowChar));
}
public override void WriteValue(bool value)
{
StartText();
nodeWriter.WriteBoolText(value);
}
public override void WriteValue(decimal value)
{
StartText();
nodeWriter.WriteDecimalText(value);
}
public override void WriteValue(double value)
{
StartText();
nodeWriter.WriteDoubleText(value);
}
public override void WriteValue(float value)
{
StartText();
nodeWriter.WriteFloatText(value);
}
public override void WriteValue(int value)
{
StartText();
nodeWriter.WriteInt32Text(value);
}
public override void WriteValue(long value)
{
StartText();
nodeWriter.WriteInt64Text(value);
}
public override void WriteValue(Guid value)
{
StartText();
nodeWriter.WriteGuidText(value);
}
public override void WriteValue(DateTime value)
{
StartText();
nodeWriter.WriteDateTimeText(value);
}
public override void WriteValue(string value)
{
WriteString(value);
}
public override void WriteValue(TimeSpan value)
{
StartText();
nodeWriter.WriteTimeSpanText(value);
}
public override void WriteValue(UniqueId value)
{
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
StartText();
nodeWriter.WriteUniqueIdText(value);
}
public override void WriteValue(object value)
{
if (IsClosed)
{
ThrowClosed();
}
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("value");
}
if (value is Array)
{
WriteValue((Array)value);
}
else if (value is IStreamProvider)
{
WriteValue((IStreamProvider)value);
}
else
{
WritePrimitiveValue(value);
}
}
[SuppressMessage("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "Whitespace", Justification = "This method is derived from the base")]
public override void WriteWhitespace(string ws)
{
if (IsClosed)
{
ThrowClosed();
}
if (ws == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("ws");
}
for (int i = 0; i < ws.Length; ++i)
{
char c = ws[i];
if (c != ' ' &&
c != '\t' &&
c != '\n' &&
c != '\r')
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("ws",
SR.GetString(SR.JsonOnlyWhitespace, c.ToString(), "WriteWhitespace"));
}
}
WriteString(ws);
}
public override void WriteXmlAttribute(string localName, string value)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteXmlAttribute")));
}
public override void WriteXmlAttribute(XmlDictionaryString localName, XmlDictionaryString value)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteXmlAttribute")));
}
public override void WriteXmlnsAttribute(string prefix, string namespaceUri)
{
if (!IsWritingNameWithMapping)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteXmlnsAttribute")));
}
}
public override void WriteXmlnsAttribute(string prefix, XmlDictionaryString namespaceUri)
{
if (!IsWritingNameWithMapping)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR.GetString(SR.JsonMethodNotSupported, "WriteXmlnsAttribute")));
}
}
internal static bool CharacterNeedsEscaping(char ch)
{
return (ch == FORWARD_SLASH || ch == JsonGlobals.QuoteChar || ch < WHITESPACE || ch == BACK_SLASH
|| (ch >= HIGH_SURROGATE_START && (ch <= LOW_SURROGATE_END || ch >= MAX_CHAR)));
}
static void ThrowClosed()
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(SR.GetString(SR.JsonWriterClosed)));
}
void CheckText(JsonNodeType nextNodeType)
{
if (IsClosed)
{
ThrowClosed();
}
if (depth == 0)
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
System.Runtime.Serialization.SR.GetString(System.Runtime.Serialization.SR.XmlIllegalOutsideRoot)));
}
if ((nextNodeType == JsonNodeType.StandaloneText) &&
(nodeType == JsonNodeType.QuotedText))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(
SR.GetString(SR.JsonCannotWriteStandaloneTextAfterQuotedText)));
}
}
void EnterScope(JsonNodeType currentNodeType)
{
depth++;
if (scopes == null)
{
scopes = new JsonNodeType[4];
}
else if (scopes.Length == depth)
{
JsonNodeType[] newScopes = new JsonNodeType[depth * 2];
Array.Copy(scopes, newScopes, depth);
scopes = newScopes;
}
scopes[depth] = currentNodeType;
}
JsonNodeType ExitScope()
{
JsonNodeType nodeTypeToReturn = scopes[depth];
scopes[depth] = JsonNodeType.None;
depth--;
return nodeTypeToReturn;
}
void InitializeWriter()
{
nodeType = JsonNodeType.None;
dataType = JsonDataType.None;
isWritingDataTypeAttribute = false;
wroteServerTypeAttribute = false;
isWritingServerTypeAttribute = false;
serverTypeValue = null;
attributeText = null;
if (depth != 0)
{
depth = 0;
}
if ((scopes != null) && (scopes.Length > JsonGlobals.maxScopeSize))
{
scopes = null;
}
// Can't let writeState be at Closed if reinitializing.
writeState = WriteState.Start;
endElementBuffer = false;
indentLevel = 0;
}
static bool IsUnicodeNewlineCharacter(char c)
{
// Newline characters in JSON strings need to be encoded on the way out (DevDiv #665974)
// See Unicode 6.2, Table 5-1 (http://www.unicode.org/versions/Unicode6.2.0/ch05.pdf]) for the full list.
// We only care about NEL, LS, and PS, since the other newline characters are all
// control characters so are already encoded.
return (c == '\u0085' || c == '\u2028' || c == '\u2029');
}
void StartText()
{
if (HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.JsonMustUseWriteStringForWritingAttributeValues)));
}
if ((dataType == JsonDataType.None) && (serverTypeValue != null))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonMustSpecifyDataType,
JsonGlobals.typeString, JsonGlobals.objectString, JsonGlobals.serverTypeString)));
}
if (IsWritingNameWithMapping && !WrittenNameWithMapping)
{
// Don't write out any text content unless the local name has been written.
// Not providing a better error message because localization deadline has passed.
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonMustSpecifyDataType,
JsonGlobals.itemString, string.Empty, JsonGlobals.itemString)));
}
if ((dataType == JsonDataType.String) ||
(dataType == JsonDataType.None))
{
CheckText(JsonNodeType.QuotedText);
if (nodeType != JsonNodeType.QuotedText)
{
WriteJsonQuote();
}
nodeType = JsonNodeType.QuotedText;
}
else if ((dataType == JsonDataType.Number) ||
(dataType == JsonDataType.Boolean))
{
CheckText(JsonNodeType.StandaloneText);
nodeType = JsonNodeType.StandaloneText;
}
else
{
ThrowInvalidAttributeContent();
}
}
void ThrowIfServerTypeWritten(string dataTypeSpecified)
{
if (serverTypeValue != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidDataTypeSpecifiedForServerType,
JsonGlobals.typeString, dataTypeSpecified, JsonGlobals.serverTypeString, JsonGlobals.objectString)));
}
}
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization", "CA1308:NormalizeStringsToUppercase")] // Microsoft, ToLowerInvariant is just used in Json error message
void ThrowInvalidAttributeContent()
{
if (HasOpenAttribute)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonInvalidMethodBetweenStartEndAttribute)));
}
else
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new XmlException(SR.GetString(SR.JsonCannotWriteTextAfterNonTextAttribute,
dataType.ToString().ToLowerInvariant())));
}
}
bool TrySetWritingNameWithMapping(string localName, string ns)
{
if (localName.Equals(JsonGlobals.itemString) && ns.Equals(JsonGlobals.itemString))
{
nameState = NameState.IsWritingNameWithMapping;
return true;
}
return false;
}
void WriteDataTypeServerType()
{
if (dataType != JsonDataType.None)
{
switch (dataType)
{
case JsonDataType.Array:
{
EnterScope(JsonNodeType.Collection);
nodeWriter.WriteText(JsonGlobals.CollectionChar);
indentLevel++;
break;
}
case JsonDataType.Object:
{
EnterScope(JsonNodeType.Object);
nodeWriter.WriteText(JsonGlobals.ObjectChar);
indentLevel++;
break;
}
case JsonDataType.Null:
{
nodeWriter.WriteText(JsonGlobals.nullString);
break;
}
default:
break;
}
if (serverTypeValue != null)
{
// dataType must be object because we throw in all other case.
WriteServerTypeAttribute();
}
}
}
[SecuritySafeCritical]
unsafe void WriteEscapedJsonString(string str)
{
fixed (char* chars = str)
{
int i = 0;
int j;
for (j = 0; j < str.Length; j++)
{
char ch = chars[j];
if (ch <= FORWARD_SLASH)
{
if (ch == FORWARD_SLASH || ch == JsonGlobals.QuoteChar)
{
nodeWriter.WriteChars(chars + i, j - i);
nodeWriter.WriteText(BACK_SLASH);
nodeWriter.WriteText(ch);
i = j + 1;
}
else if (ch < WHITESPACE)
{
nodeWriter.WriteChars(chars + i, j - i);
nodeWriter.WriteText(BACK_SLASH);
if (CharacterAbbrevs[ch] == 0)
{
nodeWriter.WriteText('u');
nodeWriter.WriteText(string.Format(CultureInfo.InvariantCulture, "{0:x4}", (int)ch));
i = j + 1;
}
else
{
nodeWriter.WriteText(CharacterAbbrevs[ch]);
i = j + 1;
}
}
}
else if (ch == BACK_SLASH)
{
nodeWriter.WriteChars(chars + i, j - i);
nodeWriter.WriteText(BACK_SLASH);
nodeWriter.WriteText(ch);
i = j + 1;
}
else if ((ch >= HIGH_SURROGATE_START && (ch <= LOW_SURROGATE_END || ch >= MAX_CHAR)) || IsUnicodeNewlineCharacter(ch))
{
nodeWriter.WriteChars(chars + i, j - i);
nodeWriter.WriteText(BACK_SLASH);
nodeWriter.WriteText('u');
nodeWriter.WriteText(string.Format(CultureInfo.InvariantCulture, "{0:x4}", (int)ch));
i = j + 1;
}
}
if (i < j)
{
nodeWriter.WriteChars(chars + i, j - i);
}
}
}
void WriteIndent()
{
for (int i = 0; i < indentLevel; i++)
{
nodeWriter.WriteText(indentChars);
}
}
void WriteNewLine()
{
nodeWriter.WriteText(CARRIAGE_RETURN);
nodeWriter.WriteText(NEWLINE);
}
void WriteJsonElementName(string localName)
{
WriteJsonQuote();
WriteEscapedJsonString(localName);
WriteJsonQuote();
nodeWriter.WriteText(JsonGlobals.NameValueSeparatorChar);
if (indent)
{
nodeWriter.WriteText(WHITESPACE);
}
}
void WriteJsonQuote()
{
nodeWriter.WriteText(JsonGlobals.QuoteChar);
}
void WritePrimitiveValue(object value)
{
if (IsClosed)
{
ThrowClosed();
}
if (value == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("value"));
}
if (value is ulong)
{
WriteValue((ulong)value);
}
else if (value is string)
{
WriteValue((string)value);
}
else if (value is int)
{
WriteValue((int)value);
}
else if (value is long)
{
WriteValue((long)value);
}
else if (value is bool)
{
WriteValue((bool)value);
}
else if (value is double)
{
WriteValue((double)value);
}
else if (value is DateTime)
{
WriteValue((DateTime)value);
}
else if (value is float)
{
WriteValue((float)value);
}
else if (value is decimal)
{
WriteValue((decimal)value);
}
else if (value is XmlDictionaryString)
{
WriteValue((XmlDictionaryString)value);
}
else if (value is UniqueId)
{
WriteValue((UniqueId)value);
}
else if (value is Guid)
{
WriteValue((Guid)value);
}
else if (value is TimeSpan)
{
WriteValue((TimeSpan)value);
}
else if (value.GetType().IsArray)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.JsonNestedArraysNotSupported), "value"));
}
else
{
base.WriteValue(value);
}
}
void WriteServerTypeAttribute()
{
string value = serverTypeValue;
JsonDataType oldDataType = dataType;
NameState oldNameState = nameState;
WriteStartElement(JsonGlobals.serverTypeString);
WriteValue(value);
WriteEndElement();
dataType = oldDataType;
nameState = oldNameState;
wroteServerTypeAttribute = true;
}
void WriteValue(ulong value)
{
StartText();
nodeWriter.WriteUInt64Text(value);
}
void WriteValue(Array array)
{
// This method is called only if WriteValue(object) is called with an array
// The contract for XmlWriter.WriteValue(object) requires that this object array be written out as a string.
// E.g. WriteValue(new int[] { 1, 2, 3}) should be equivalent to WriteString("1 2 3").
JsonDataType oldDataType = dataType;
// Set attribute mode to String because WritePrimitiveValue might write numerical text.
// Calls to methods that write numbers can't be mixed with calls that write quoted text unless the attribute mode is explictly string.
dataType = JsonDataType.String;
StartText();
for (int i = 0; i < array.Length; i++)
{
if (i != 0)
{
nodeWriter.WriteText(JsonGlobals.WhitespaceChar);
}
WritePrimitiveValue(array.GetValue(i));
}
dataType = oldDataType;
}
class JsonNodeWriter : XmlUTF8NodeWriter
{
[SecurityCritical]
internal unsafe void WriteChars(char* chars, int charCount)
{
base.UnsafeWriteUTF8Chars(chars, charCount);
}
}
}
}
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