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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
// Uncomment to turn on logging of non-dictionary strings written to binary writers.
// This can help identify element/attribute name/ns that could be written as XmlDictionaryStrings to get better compactness and performance.
// #define LOG_NON_DICTIONARY_WRITES
namespace System.Xml
{
using System.IO;
using System.Runtime;
using System.Runtime.Serialization;
using System.Security;
using System.Text;
public interface IXmlBinaryWriterInitializer
{
void SetOutput(Stream stream, IXmlDictionary dictionary, XmlBinaryWriterSession session, bool ownsStream);
}
class XmlBinaryNodeWriter : XmlStreamNodeWriter
{
IXmlDictionary dictionary;
XmlBinaryWriterSession session;
bool inAttribute;
bool inList;
bool wroteAttributeValue;
AttributeValue attributeValue;
const int maxBytesPerChar = 3;
int textNodeOffset;
public XmlBinaryNodeWriter()
{
// Sanity check on node values
Fx.Assert(XmlBinaryNodeType.MaxAttribute < XmlBinaryNodeType.MinElement &&
XmlBinaryNodeType.MaxElement < XmlBinaryNodeType.MinText &&
(int)XmlBinaryNodeType.MaxText < 256, "NodeTypes enumeration messed up");
}
public void SetOutput(Stream stream, IXmlDictionary dictionary, XmlBinaryWriterSession session, bool ownsStream)
{
this.dictionary = dictionary;
this.session = session;
this.inAttribute = false;
this.inList = false;
this.attributeValue.Clear();
this.textNodeOffset = -1;
SetOutput(stream, ownsStream, null);
}
void WriteNode(XmlBinaryNodeType nodeType)
{
WriteByte((byte)nodeType);
textNodeOffset = -1;
}
void WroteAttributeValue()
{
if (wroteAttributeValue && !inList)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.XmlOnlySingleValue)));
wroteAttributeValue = true;
}
void WriteTextNode(XmlBinaryNodeType nodeType)
{
if (inAttribute)
WroteAttributeValue();
Fx.Assert(nodeType >= XmlBinaryNodeType.MinText && nodeType <= XmlBinaryNodeType.MaxText && ((byte)nodeType & 1) == 0, "Invalid nodeType");
WriteByte((byte)nodeType);
textNodeOffset = this.BufferOffset - 1;
}
byte[] GetTextNodeBuffer(int size, out int offset)
{
if (inAttribute)
WroteAttributeValue();
byte[] buffer = GetBuffer(size, out offset);
textNodeOffset = offset;
return buffer;
}
void WriteTextNodeWithLength(XmlBinaryNodeType nodeType, int length)
{
Fx.Assert(nodeType == XmlBinaryNodeType.Chars8Text || nodeType == XmlBinaryNodeType.Bytes8Text || nodeType == XmlBinaryNodeType.UnicodeChars8Text, "");
int offset;
byte[] buffer = GetTextNodeBuffer(5, out offset);
if (length < 256)
{
buffer[offset + 0] = (byte)nodeType;
buffer[offset + 1] = (byte)length;
Advance(2);
}
else if (length < 65536)
{
buffer[offset + 0] = (byte)(nodeType + 1 * 2); // WithEndElements interleave
buffer[offset + 1] = (byte)length;
length >>= 8;
buffer[offset + 2] = (byte)length;
Advance(3);
}
else
{
buffer[offset + 0] = (byte)(nodeType + 2 * 2); // WithEndElements interleave
buffer[offset + 1] = (byte)length;
length >>= 8;
buffer[offset + 2] = (byte)length;
length >>= 8;
buffer[offset + 3] = (byte)length;
length >>= 8;
buffer[offset + 4] = (byte)length;
Advance(5);
}
}
void WriteTextNodeWithInt64(XmlBinaryNodeType nodeType, Int64 value)
{
int offset;
byte[] buffer = GetTextNodeBuffer(9, out offset);
buffer[offset + 0] = (byte)nodeType;
buffer[offset + 1] = (byte)value;
value >>= 8;
buffer[offset + 2] = (byte)value;
value >>= 8;
buffer[offset + 3] = (byte)value;
value >>= 8;
buffer[offset + 4] = (byte)value;
value >>= 8;
buffer[offset + 5] = (byte)value;
value >>= 8;
buffer[offset + 6] = (byte)value;
value >>= 8;
buffer[offset + 7] = (byte)value;
value >>= 8;
buffer[offset + 8] = (byte)value;
Advance(9);
}
public override void WriteDeclaration()
{
}
public override void WriteStartElement(string prefix, string localName)
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortElement);
WriteName(localName);
}
else
{
char ch = prefix[0];
if (prefix.Length == 1 && ch >= 'a' && ch <= 'z')
{
WritePrefixNode(XmlBinaryNodeType.PrefixElementA, ch - 'a');
WriteName(localName);
}
else
{
WriteNode(XmlBinaryNodeType.Element);
WriteName(prefix);
WriteName(localName);
}
}
}
void WritePrefixNode(XmlBinaryNodeType nodeType, int ch)
{
WriteNode((XmlBinaryNodeType)((int)nodeType + ch));
}
public override void WriteStartElement(string prefix, XmlDictionaryString localName)
{
int key;
if (!TryGetKey(localName, out key))
{
#if LOG_NON_DICTIONARY_WRITES
XmlBinaryWriter.OnNonDictionaryWrite("WriteStartElement", true, localName.Value, "...");
#endif
WriteStartElement(prefix, localName.Value);
}
else
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortDictionaryElement);
WriteDictionaryString(localName, key);
}
else
{
char ch = prefix[0];
if (prefix.Length == 1 && ch >= 'a' && ch <= 'z')
{
WritePrefixNode(XmlBinaryNodeType.PrefixDictionaryElementA, ch - 'a');
WriteDictionaryString(localName, key);
}
else
{
WriteNode(XmlBinaryNodeType.DictionaryElement);
WriteName(prefix);
WriteDictionaryString(localName, key);
}
}
}
}
public override void WriteEndStartElement(bool isEmpty)
{
if (isEmpty)
{
WriteEndElement();
}
}
public override void WriteEndElement(string prefix, string localName)
{
WriteEndElement();
}
void WriteEndElement()
{
if (textNodeOffset != -1)
{
byte[] buffer = this.StreamBuffer;
XmlBinaryNodeType nodeType = (XmlBinaryNodeType)buffer[textNodeOffset];
Fx.Assert(nodeType >= XmlBinaryNodeType.MinText && nodeType <= XmlBinaryNodeType.MaxText && ((byte)nodeType & 1) == 0, "");
buffer[textNodeOffset] = (byte)(nodeType + 1);
textNodeOffset = -1;
}
else
{
WriteNode(XmlBinaryNodeType.EndElement);
}
}
public override void WriteStartAttribute(string prefix, string localName)
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortAttribute);
WriteName(localName);
}
else
{
char ch = prefix[0];
if (prefix.Length == 1 && ch >= 'a' && ch <= 'z')
{
WritePrefixNode(XmlBinaryNodeType.PrefixAttributeA, ch - 'a');
WriteName(localName);
}
else
{
WriteNode(XmlBinaryNodeType.Attribute);
WriteName(prefix);
WriteName(localName);
}
}
inAttribute = true;
wroteAttributeValue = false;
}
public override void WriteStartAttribute(string prefix, XmlDictionaryString localName)
{
int key;
if (!TryGetKey(localName, out key))
{
#if LOG_NON_DICTIONARY_WRITES
XmlBinaryWriter.OnNonDictionaryWrite("WriteStartAttribute", true, localName.Value, "...");
#endif
WriteStartAttribute(prefix, localName.Value);
}
else
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortDictionaryAttribute);
WriteDictionaryString(localName, key);
}
else
{
char ch = prefix[0];
if (prefix.Length == 1 && ch >= 'a' && ch <= 'z')
{
WritePrefixNode(XmlBinaryNodeType.PrefixDictionaryAttributeA, ch - 'a');
WriteDictionaryString(localName, key);
}
else
{
WriteNode(XmlBinaryNodeType.DictionaryAttribute);
WriteName(prefix);
WriteDictionaryString(localName, key);
}
}
inAttribute = true;
wroteAttributeValue = false;
}
}
public override void WriteEndAttribute()
{
inAttribute = false;
if (!wroteAttributeValue)
{
attributeValue.WriteTo(this);
}
textNodeOffset = -1;
}
public override void WriteXmlnsAttribute(string prefix, string ns)
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortXmlnsAttribute);
WriteName(ns);
}
else
{
WriteNode(XmlBinaryNodeType.XmlnsAttribute);
WriteName(prefix);
WriteName(ns);
}
}
public override void WriteXmlnsAttribute(string prefix, XmlDictionaryString ns)
{
int key;
if (!TryGetKey(ns, out key))
{
WriteXmlnsAttribute(prefix, ns.Value);
}
else
{
if (prefix.Length == 0)
{
WriteNode(XmlBinaryNodeType.ShortDictionaryXmlnsAttribute);
WriteDictionaryString(ns, key);
}
else
{
WriteNode(XmlBinaryNodeType.DictionaryXmlnsAttribute);
WriteName(prefix);
WriteDictionaryString(ns, key);
}
}
}
bool TryGetKey(XmlDictionaryString s, out int key)
{
key = -1;
if (s.Dictionary == dictionary)
{
key = s.Key * 2;
return true;
}
XmlDictionaryString t;
if (dictionary != null && dictionary.TryLookup(s, out t))
{
Fx.Assert(t.Dictionary == dictionary, "");
key = t.Key * 2;
return true;
}
if (session == null)
return false;
int sessionKey;
if (!session.TryLookup(s, out sessionKey))
{
if (!session.TryAdd(s, out sessionKey))
return false;
}
key = sessionKey * 2 + 1;
return true;
}
void WriteDictionaryString(XmlDictionaryString s, int key)
{
WriteMultiByteInt32(key);
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe void WriteName(string s)
{
int length = s.Length;
if (length == 0)
{
WriteByte(0);
}
else
{
fixed (char* pch = s)
{
UnsafeWriteName(pch, length);
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe void UnsafeWriteName(char* chars, int charCount)
{
if (charCount < 128 / maxBytesPerChar)
{
// Optimize if we know we can fit the converted string in the buffer
// so we don't have to make a pass to count the bytes
// 1 byte for the length
int offset;
byte[] buffer = GetBuffer(1 + charCount * maxBytesPerChar, out offset);
int length = UnsafeGetUTF8Chars(chars, charCount, buffer, offset + 1);
Fx.Assert(length < 128, "");
buffer[offset] = (byte)length;
Advance(1 + length);
}
else
{
int byteCount = UnsafeGetUTF8Length(chars, charCount);
WriteMultiByteInt32(byteCount);
UnsafeWriteUTF8Chars(chars, charCount);
}
}
void WriteMultiByteInt32(int i)
{
int offset;
byte[] buffer = GetBuffer(5, out offset);
int startOffset = offset;
while ((i & 0xFFFFFF80) != 0)
{
buffer[offset++] = (byte)((i & 0x7F) | 0x80);
i >>= 7;
}
buffer[offset++] = (byte)i;
Advance(offset - startOffset);
}
public override void WriteComment(string value)
{
WriteNode(XmlBinaryNodeType.Comment);
WriteName(value);
}
public override void WriteCData(string value)
{
WriteText(value);
}
void WriteEmptyText()
{
WriteTextNode(XmlBinaryNodeType.EmptyText);
}
public override void WriteBoolText(bool value)
{
if (value)
{
WriteTextNode(XmlBinaryNodeType.TrueText);
}
else
{
WriteTextNode(XmlBinaryNodeType.FalseText);
}
}
public override void WriteInt32Text(int value)
{
if (value >= -128 && value < 128)
{
if (value == 0)
{
WriteTextNode(XmlBinaryNodeType.ZeroText);
}
else if (value == 1)
{
WriteTextNode(XmlBinaryNodeType.OneText);
}
else
{
int offset;
byte[] buffer = GetTextNodeBuffer(2, out offset);
buffer[offset + 0] = (byte)XmlBinaryNodeType.Int8Text;
buffer[offset + 1] = (byte)value;
Advance(2);
}
}
else if (value >= -32768 && value < 32768)
{
int offset;
byte[] buffer = GetTextNodeBuffer(3, out offset);
buffer[offset + 0] = (byte)XmlBinaryNodeType.Int16Text;
buffer[offset + 1] = (byte)value;
value >>= 8;
buffer[offset + 2] = (byte)value;
Advance(3);
}
else
{
int offset;
byte[] buffer = GetTextNodeBuffer(5, out offset);
buffer[offset + 0] = (byte)XmlBinaryNodeType.Int32Text;
buffer[offset + 1] = (byte)value;
value >>= 8;
buffer[offset + 2] = (byte)value;
value >>= 8;
buffer[offset + 3] = (byte)value;
value >>= 8;
buffer[offset + 4] = (byte)value;
Advance(5);
}
}
public override void WriteInt64Text(Int64 value)
{
if (value >= int.MinValue && value <= int.MaxValue)
{
WriteInt32Text((int)value);
}
else
{
WriteTextNodeWithInt64(XmlBinaryNodeType.Int64Text, value);
}
}
public override void WriteUInt64Text(UInt64 value)
{
if (value <= Int64.MaxValue)
{
WriteInt64Text((Int64)value);
}
else
{
WriteTextNodeWithInt64(XmlBinaryNodeType.UInt64Text, (Int64)value);
}
}
void WriteInt64(Int64 value)
{
int offset;
byte[] buffer = GetBuffer(8, out offset);
buffer[offset + 0] = (byte)value;
value >>= 8;
buffer[offset + 1] = (byte)value;
value >>= 8;
buffer[offset + 2] = (byte)value;
value >>= 8;
buffer[offset + 3] = (byte)value;
value >>= 8;
buffer[offset + 4] = (byte)value;
value >>= 8;
buffer[offset + 5] = (byte)value;
value >>= 8;
buffer[offset + 6] = (byte)value;
value >>= 8;
buffer[offset + 7] = (byte)value;
Advance(8);
}
public override void WriteBase64Text(byte[] trailBytes, int trailByteCount, byte[] base64Buffer, int base64Offset, int base64Count)
{
if (inAttribute)
{
attributeValue.WriteBase64Text(trailBytes, trailByteCount, base64Buffer, base64Offset, base64Count);
}
else
{
int length = trailByteCount + base64Count;
if (length > 0)
{
WriteTextNodeWithLength(XmlBinaryNodeType.Bytes8Text, length);
if (trailByteCount > 0)
{
int offset;
byte[] buffer = GetBuffer(trailByteCount, out offset);
for (int i = 0; i < trailByteCount; i++)
buffer[offset + i] = trailBytes[i];
Advance(trailByteCount);
}
if (base64Count > 0)
{
WriteBytes(base64Buffer, base64Offset, base64Count);
}
}
else
{
WriteEmptyText();
}
}
}
public override void WriteText(XmlDictionaryString value)
{
if (inAttribute)
{
attributeValue.WriteText(value);
}
else
{
int key;
if (!TryGetKey(value, out key))
{
WriteText(value.Value);
}
else
{
WriteTextNode(XmlBinaryNodeType.DictionaryText);
WriteDictionaryString(value, key);
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteText(string value)
{
if (inAttribute)
{
attributeValue.WriteText(value);
}
else
{
if (value.Length > 0)
{
fixed (char* pch = value)
{
UnsafeWriteText(pch, value.Length);
}
}
else
{
WriteEmptyText();
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteText(char[] chars, int offset, int count)
{
if (inAttribute)
{
attributeValue.WriteText(new string(chars, offset, count));
}
else
{
if (count > 0)
{
fixed (char* pch = &chars[offset])
{
UnsafeWriteText(pch, count);
}
}
else
{
WriteEmptyText();
}
}
}
public override void WriteText(byte[] chars, int charOffset, int charCount)
{
WriteTextNodeWithLength(XmlBinaryNodeType.Chars8Text, charCount);
WriteBytes(chars, charOffset, charCount);
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe void UnsafeWriteText(char* chars, int charCount)
{
// Callers should handle zero
Fx.Assert(charCount > 0, "");
if (charCount == 1)
{
char ch = chars[0];
if (ch == '0')
{
WriteTextNode(XmlBinaryNodeType.ZeroText);
return;
}
if (ch == '1')
{
WriteTextNode(XmlBinaryNodeType.OneText);
return;
}
}
if (charCount <= byte.MaxValue / maxBytesPerChar)
{
// Optimize if we know we can fit the converted string in the buffer
// so we don't have to make a pass to count the bytes
int offset;
byte[] buffer = GetBuffer(1 + 1 + charCount * maxBytesPerChar, out offset);
int length = UnsafeGetUTF8Chars(chars, charCount, buffer, offset + 2);
if (length / 2 <= charCount)
{
buffer[offset] = (byte)XmlBinaryNodeType.Chars8Text;
}
else
{
buffer[offset] = (byte)XmlBinaryNodeType.UnicodeChars8Text;
length = UnsafeGetUnicodeChars(chars, charCount, buffer, offset + 2);
}
textNodeOffset = offset;
Fx.Assert(length <= byte.MaxValue, "");
buffer[offset + 1] = (byte)length;
Advance(2 + length);
}
else
{
int byteCount = UnsafeGetUTF8Length(chars, charCount);
if (byteCount / 2 > charCount)
{
WriteTextNodeWithLength(XmlBinaryNodeType.UnicodeChars8Text, charCount * 2);
UnsafeWriteUnicodeChars(chars, charCount);
}
else
{
WriteTextNodeWithLength(XmlBinaryNodeType.Chars8Text, byteCount);
UnsafeWriteUTF8Chars(chars, charCount);
}
}
}
public override void WriteEscapedText(string value)
{
WriteText(value);
}
public override void WriteEscapedText(XmlDictionaryString value)
{
WriteText(value);
}
public override void WriteEscapedText(char[] chars, int offset, int count)
{
WriteText(chars, offset, count);
}
public override void WriteEscapedText(byte[] chars, int offset, int count)
{
WriteText(chars, offset, count);
}
public override void WriteCharEntity(int ch)
{
if (ch > char.MaxValue)
{
SurrogateChar sch = new SurrogateChar(ch);
char[] chars = new char[2] { sch.HighChar, sch.LowChar, };
WriteText(chars, 0, 2);
}
else
{
char[] chars = new char[1] { (char)ch };
WriteText(chars, 0, 1);
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteFloatText(float f)
{
long l;
if (f >= long.MinValue && f <= long.MaxValue && (l = (long)f) == f)
{
WriteInt64Text(l);
}
else
{
int offset;
byte[] buffer = GetTextNodeBuffer(1 + sizeof(float), out offset);
byte* bytes = (byte*)&f;
buffer[offset + 0] = (byte)XmlBinaryNodeType.FloatText;
buffer[offset + 1] = bytes[0];
buffer[offset + 2] = bytes[1];
buffer[offset + 3] = bytes[2];
buffer[offset + 4] = bytes[3];
Advance(1 + sizeof(float));
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteDoubleText(double d)
{
float f;
if (d >= float.MinValue && d <= float.MaxValue && (f = (float)d) == d)
{
WriteFloatText(f);
}
else
{
int offset;
byte[] buffer = GetTextNodeBuffer(1 + sizeof(double), out offset);
byte* bytes = (byte*)&d;
buffer[offset + 0] = (byte)XmlBinaryNodeType.DoubleText;
buffer[offset + 1] = bytes[0];
buffer[offset + 2] = bytes[1];
buffer[offset + 3] = bytes[2];
buffer[offset + 4] = bytes[3];
buffer[offset + 5] = bytes[4];
buffer[offset + 6] = bytes[5];
buffer[offset + 7] = bytes[6];
buffer[offset + 8] = bytes[7];
Advance(1 + sizeof(double));
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteDecimalText(decimal d)
{
int offset;
byte[] buffer = GetTextNodeBuffer(1 + sizeof(decimal), out offset);
byte* bytes = (byte*)&d;
buffer[offset++] = (byte)XmlBinaryNodeType.DecimalText;
for (int i = 0; i < sizeof(decimal); i++)
{
buffer[offset++] = bytes[i];
}
Advance(1 + sizeof(decimal));
}
public override void WriteDateTimeText(DateTime dt)
{
WriteTextNodeWithInt64(XmlBinaryNodeType.DateTimeText, dt.ToBinary());
}
public override void WriteUniqueIdText(UniqueId value)
{
if (value.IsGuid)
{
int offset;
byte[] buffer = GetTextNodeBuffer(17, out offset);
buffer[offset] = (byte)XmlBinaryNodeType.UniqueIdText;
value.TryGetGuid(buffer, offset + 1);
Advance(17);
}
else
{
WriteText(value.ToString());
}
}
public override void WriteGuidText(Guid guid)
{
int offset;
byte[] buffer = GetTextNodeBuffer(17, out offset);
buffer[offset] = (byte)XmlBinaryNodeType.GuidText;
Buffer.BlockCopy(guid.ToByteArray(), 0, buffer, offset + 1, 16);
Advance(17);
}
public override void WriteTimeSpanText(TimeSpan value)
{
WriteTextNodeWithInt64(XmlBinaryNodeType.TimeSpanText, value.Ticks);
}
public override void WriteStartListText()
{
Fx.Assert(!inList, "");
inList = true;
WriteNode(XmlBinaryNodeType.StartListText);
}
public override void WriteListSeparator()
{
}
public override void WriteEndListText()
{
Fx.Assert(inList, "");
inList = false;
wroteAttributeValue = true;
WriteNode(XmlBinaryNodeType.EndListText);
}
public void WriteArrayNode()
{
WriteNode(XmlBinaryNodeType.Array);
}
void WriteArrayInfo(XmlBinaryNodeType nodeType, int count)
{
WriteNode(nodeType);
WriteMultiByteInt32(count);
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe public void UnsafeWriteArray(XmlBinaryNodeType nodeType, int count, byte* array, byte* arrayMax)
{
WriteArrayInfo(nodeType, count);
UnsafeWriteArray(array, (int)(arrayMax - array));
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe void UnsafeWriteArray(byte* array, int byteCount)
{
base.UnsafeWriteBytes(array, byteCount);
}
public void WriteDateTimeArray(DateTime[] array, int offset, int count)
{
WriteArrayInfo(XmlBinaryNodeType.DateTimeTextWithEndElement, count);
for (int i = 0; i < count; i++)
{
WriteInt64(array[offset + i].ToBinary());
}
}
public void WriteGuidArray(Guid[] array, int offset, int count)
{
WriteArrayInfo(XmlBinaryNodeType.GuidTextWithEndElement, count);
for (int i = 0; i < count; i++)
{
byte[] buffer = array[offset + i].ToByteArray();
WriteBytes(buffer, 0, 16);
}
}
public void WriteTimeSpanArray(TimeSpan[] array, int offset, int count)
{
WriteArrayInfo(XmlBinaryNodeType.TimeSpanTextWithEndElement, count);
for (int i = 0; i < count; i++)
{
WriteInt64(array[offset + i].Ticks);
}
}
public override void WriteQualifiedName(string prefix, XmlDictionaryString localName)
{
if (prefix.Length == 0)
{
WriteText(localName);
}
else
{
char ch = prefix[0];
int key;
if (prefix.Length == 1 && (ch >= 'a' && ch <= 'z') && TryGetKey(localName, out key))
{
WriteTextNode(XmlBinaryNodeType.QNameDictionaryText);
WriteByte((byte)(ch - 'a'));
WriteDictionaryString(localName, key);
}
else
{
WriteText(prefix);
WriteText(":");
WriteText(localName);
}
}
}
protected override void FlushBuffer()
{
base.FlushBuffer();
textNodeOffset = -1;
}
public override void Close()
{
base.Close();
attributeValue.Clear();
}
struct AttributeValue
{
string captureText;
XmlDictionaryString captureXText;
MemoryStream captureStream;
public void Clear()
{
captureText = null;
captureXText = null;
captureStream = null;
}
public void WriteText(string s)
{
if (captureStream != null)
{
captureText = XmlConverter.Base64Encoding.GetString(captureStream.GetBuffer(), 0, (int)captureStream.Length);
captureStream = null;
}
if (captureXText != null)
{
captureText = captureXText.Value;
captureXText = null;
}
if (captureText == null || captureText.Length == 0)
{
captureText = s;
}
else
{
captureText += s;
}
}
public void WriteText(XmlDictionaryString s)
{
if (captureText != null || captureStream != null)
{
WriteText(s.Value);
}
else
{
captureXText = s;
}
}
public void WriteBase64Text(byte[] trailBytes, int trailByteCount, byte[] buffer, int offset, int count)
{
if (captureText != null || captureXText != null)
{
if (trailByteCount > 0)
{
WriteText(XmlConverter.Base64Encoding.GetString(trailBytes, 0, trailByteCount));
}
WriteText(XmlConverter.Base64Encoding.GetString(buffer, offset, count));
}
else
{
if (captureStream == null)
captureStream = new MemoryStream();
if (trailByteCount > 0)
captureStream.Write(trailBytes, 0, trailByteCount);
captureStream.Write(buffer, offset, count);
}
}
public void WriteTo(XmlBinaryNodeWriter writer)
{
if (captureText != null)
{
writer.WriteText(captureText);
captureText = null;
}
else if (captureXText != null)
{
writer.WriteText(captureXText);
captureXText = null;
}
else if (captureStream != null)
{
writer.WriteBase64Text(null, 0, captureStream.GetBuffer(), 0, (int)captureStream.Length);
captureStream = null;
}
else
{
writer.WriteEmptyText();
}
}
}
}
class XmlBinaryWriter : XmlBaseWriter, IXmlBinaryWriterInitializer
{
XmlBinaryNodeWriter writer;
char[] chars;
byte[] bytes;
#if LOG_NON_DICTIONARY_WRITES
static readonly bool logCallStackOnNonDictionaryWrites = true;
static readonly bool logWriteStringNonDictionaryWrites = true;
internal static void OnNonDictionaryWrite(string apiName, bool isDictionaryMismatchIssue, string s1, string s2)
{
StringBuilder log = new StringBuilder();
log.AppendFormat("> Text string write in binary: {0}(\"{1}\"", apiName, s1);
if (s2 != null)
log.AppendFormat(", \"{0}\"", s2);
log.AppendLine(")");
if (isDictionaryMismatchIssue)
{
log.AppendLine(" Issue: Dictionary mismatch between XmlDictionaryWriter and XmlDictionaryString");
}
if (logCallStackOnNonDictionaryWrites)
{
string callStack = new System.Diagnostics.StackTrace().ToString();
log.AppendLine(" Callstack:");
log.AppendFormat("{0}", callStack.Substring(callStack.IndexOf(Environment.NewLine) + Environment.NewLine.Length));
}
Console.WriteLine("{0}", log);
}
public override void WriteStartAttribute(string prefix, string localName, string namespaceUri)
{
OnNonDictionaryWrite("WriteStartAttribute", false, localName, namespaceUri);
base.WriteStartAttribute(prefix, localName, namespaceUri);
}
public override void WriteStartElement(string prefix, string localName, string namespaceUri)
{
OnNonDictionaryWrite("WriteStartElement", false, localName, namespaceUri);
base.WriteStartElement(prefix, localName, namespaceUri);
}
public override void WriteString(string value)
{
if (logWriteStringNonDictionaryWrites &&
!typeof(XmlBinaryWriter).Assembly.Equals(System.Reflection.Assembly.GetCallingAssembly()))
OnNonDictionaryWrite("WriteString", false, value, null);
base.WriteString(value);
}
#endif
public void SetOutput(Stream stream, IXmlDictionary dictionary, XmlBinaryWriterSession session, bool ownsStream)
{
if (stream == null)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("stream"));
if (writer == null)
writer = new XmlBinaryNodeWriter();
writer.SetOutput(stream, dictionary, session, ownsStream);
SetOutput(writer);
}
protected override XmlSigningNodeWriter CreateSigningNodeWriter()
{
return new XmlSigningNodeWriter(false);
}
protected override void WriteTextNode(XmlDictionaryReader reader, bool attribute)
{
Type type = reader.ValueType;
if (type == typeof(string))
{
XmlDictionaryString value;
if (reader.TryGetValueAsDictionaryString(out value))
{
WriteString(value);
}
else
{
if (reader.CanReadValueChunk)
{
if (chars == null)
{
chars = new char[256];
}
int count;
while ((count = reader.ReadValueChunk(chars, 0, chars.Length)) > 0)
{
this.WriteChars(chars, 0, count);
}
}
else
{
WriteString(reader.Value);
}
}
if (!attribute)
{
reader.Read();
}
}
else if (type == typeof(byte[]))
{
if (reader.CanReadBinaryContent)
{
// Its best to read in buffers that are a multiple of 3 so we don't break base64 boundaries when converting text
if (bytes == null)
{
bytes = new byte[384];
}
int count;
while ((count = reader.ReadValueAsBase64(bytes, 0, bytes.Length)) > 0)
{
this.WriteBase64(bytes, 0, count);
}
}
else
{
WriteString(reader.Value);
}
if (!attribute)
{
reader.Read();
}
}
else if (type == typeof(int))
WriteValue(reader.ReadContentAsInt());
else if (type == typeof(long))
WriteValue(reader.ReadContentAsLong());
else if (type == typeof(bool))
WriteValue(reader.ReadContentAsBoolean());
else if (type == typeof(double))
WriteValue(reader.ReadContentAsDouble());
else if (type == typeof(DateTime))
WriteValue(reader.ReadContentAsDateTime());
else if (type == typeof(float))
WriteValue(reader.ReadContentAsFloat());
else if (type == typeof(decimal))
WriteValue(reader.ReadContentAsDecimal());
else if (type == typeof(UniqueId))
WriteValue(reader.ReadContentAsUniqueId());
else if (type == typeof(Guid))
WriteValue(reader.ReadContentAsGuid());
else if (type == typeof(TimeSpan))
WriteValue(reader.ReadContentAsTimeSpan());
else
WriteValue(reader.ReadContentAsObject());
}
void WriteStartArray(string prefix, string localName, string namespaceUri, int count)
{
StartArray(count);
writer.WriteArrayNode();
WriteStartElement(prefix, localName, namespaceUri);
WriteEndElement();
}
void WriteStartArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, int count)
{
StartArray(count);
writer.WriteArrayNode();
WriteStartElement(prefix, localName, namespaceUri);
WriteEndElement();
}
void WriteEndArray()
{
EndArray();
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe void UnsafeWriteArray(string prefix, string localName, string namespaceUri,
XmlBinaryNodeType nodeType, int count, byte* array, byte* arrayMax)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.UnsafeWriteArray(nodeType, count, array, arrayMax);
WriteEndArray();
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code. Caller needs to validate arguments.")]
[SecurityCritical]
unsafe void UnsafeWriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri,
XmlBinaryNodeType nodeType, int count, byte* array, byte* arrayMax)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.UnsafeWriteArray(nodeType, count, array, arrayMax);
WriteEndArray();
}
void CheckArray(Array array, int offset, int count)
{
if (array == null)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("array"));
if (offset < 0)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("offset", SR.GetString(SR.ValueMustBeNonNegative)));
if (offset > array.Length)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("offset", SR.GetString(SR.OffsetExceedsBufferSize, array.Length)));
if (count < 0)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("count", SR.GetString(SR.ValueMustBeNonNegative)));
if (count > array.Length - offset)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("count", SR.GetString(SR.SizeExceedsRemainingBufferSpace, array.Length - offset)));
}
// bool
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, bool[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (bool* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.BoolTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, bool[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (bool* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.BoolTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// Int16
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, Int16[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int16* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int16TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, Int16[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int16* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int16TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// Int32
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, Int32[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int32* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int32TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, Int32[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int32* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int32TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// Int64
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, Int64[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int64* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int64TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, Int64[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (Int64* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.Int64TextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// float
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, float[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (float* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.FloatTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, float[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (float* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.FloatTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// double
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, double[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (double* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.DoubleTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, double[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (double* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.DoubleTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// decimal
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, string localName, string namespaceUri, decimal[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (decimal* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.DecimalTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
[Fx.Tag.SecurityNote(Critical = "Contains unsafe code.",
Safe = "Unsafe code is effectively encapsulated, all inputs are validated.")]
[SecuritySafeCritical]
unsafe public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, decimal[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
fixed (decimal* items = &array[offset])
{
UnsafeWriteArray(prefix, localName, namespaceUri, XmlBinaryNodeType.DecimalTextWithEndElement, count, (byte*)items, (byte*)&items[count]);
}
}
}
}
// DateTime
public override void WriteArray(string prefix, string localName, string namespaceUri, DateTime[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteDateTimeArray(array, offset, count);
WriteEndArray();
}
}
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, DateTime[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteDateTimeArray(array, offset, count);
WriteEndArray();
}
}
}
// Guid
public override void WriteArray(string prefix, string localName, string namespaceUri, Guid[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteGuidArray(array, offset, count);
WriteEndArray();
}
}
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, Guid[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteGuidArray(array, offset, count);
WriteEndArray();
}
}
}
// TimeSpan
public override void WriteArray(string prefix, string localName, string namespaceUri, TimeSpan[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteTimeSpanArray(array, offset, count);
WriteEndArray();
}
}
}
public override void WriteArray(string prefix, XmlDictionaryString localName, XmlDictionaryString namespaceUri, TimeSpan[] array, int offset, int count)
{
if (Signing)
base.WriteArray(prefix, localName, namespaceUri, array, offset, count);
else
{
CheckArray(array, offset, count);
if (count > 0)
{
WriteStartArray(prefix, localName, namespaceUri, count);
writer.WriteTimeSpanArray(array, offset, count);
WriteEndArray();
}
}
}
}
}
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