private void ReadDeclaration()
{
int num;
if (!this.buffered)
{
this.BufferElement();
}
byte[] bytes = base.BufferReader.GetBuffer(5, out num);
if (((bytes[num] != 0x3f) || (bytes[num + 1] != 120)) || (((bytes[num + 2] != 0x6d) || (bytes[num + 3] != 0x6c)) || ((charType[bytes[num + 4]] & 4) == 0)))
{
XmlExceptionHelper.ThrowProcessingInstructionNotSupported(this);
}
if (base.Node.ReadState != System.Xml.ReadState.Initial)
{
XmlExceptionHelper.ThrowDeclarationNotFirst(this);
}
base.BufferReader.Advance(5);
int offset = num + 1;
int length = 3;
int num4 = base.BufferReader.Offset;
this.SkipWhitespace();
this.ReadAttributes();
int num5 = base.BufferReader.Offset - num4;
while (num5 > 0)
{
byte @byte = base.BufferReader.GetByte((num4 + num5) - 1);
if ((charType[@byte] & 4) == 0)
{
break;
}
num5--;
}
bytes = base.BufferReader.GetBuffer(2, out num);
if ((bytes[num] != 0x3f) || (bytes[num + 1] != 0x3e))
{
XmlExceptionHelper.ThrowTokenExpected(this, "?>", Encoding.UTF8.GetString(bytes, num, 2));
}
base.BufferReader.Advance(2);
XmlBaseReader.XmlDeclarationNode node = base.MoveToDeclaration();
node.LocalName.SetValue(offset, length);
node.Value.SetValue(ValueHandleType.UTF8, num4, num5);
}
public int GetCharEntity(int offset, int length)
{
if (length < 3)
{
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
}
byte[] buffer = _buffer;
DiagnosticUtility.DebugAssert(buffer[offset] == '&', "");
DiagnosticUtility.DebugAssert(buffer[offset + length - 1] == ';', "");
switch (buffer[offset + 1])
{
case (byte)'l':
return(GetLessThanCharEntity(offset, length));
case (byte)'g':
return(GetGreaterThanCharEntity(offset, length));
case (byte)'a':
if (buffer[offset + 2] == (byte)'m')
{
return(GetAmpersandCharEntity(offset, length));
}
else
{
return(GetApostropheCharEntity(offset, length));
}
case (byte)'q':
return(GetQuoteCharEntity(offset, length));
case (byte)'#':
if (buffer[offset + 2] == (byte)'x')
{
return(GetHexCharEntity(offset, length));
}
else
{
return(GetDecimalCharEntity(offset, length));
}
default:
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
return(0);
}
}
public static bool ToBoolean(string value)
{
bool flag;
try
{
flag = XmlConvert.ToBoolean(value);
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Boolean", exception));
}
catch (FormatException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Boolean", exception2));
}
return(flag);
}
public static UniqueId ToUniqueId(string value)
{
UniqueId id;
try
{
id = new UniqueId(Trim(value));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "UniqueId", exception));
}
catch (FormatException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "UniqueId", exception2));
}
return(id);
}
public static DateTime ToDateTime(string value)
{
DateTime time;
try
{
time = XmlConvert.ToDateTime(value, XmlDateTimeSerializationMode.RoundtripKind);
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "DateTime", exception));
}
catch (FormatException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "DateTime", exception2));
}
return(time);
}
static public decimal ToDecimal(string value)
{
try
{
return(XmlConvert.ToDecimal(value));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "decimal", exception));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "decimal", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "decimal", exception));
}
}
public static TimeSpan ToTimeSpan(string value)
{
try
{
return(XmlConvert.ToTimeSpan(value));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "TimeSpan", exception));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "TimeSpan", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "TimeSpan", exception));
}
}
public XmlDictionaryString GetDictionaryString(int key)
{
IXmlDictionary session;
XmlDictionaryString str;
if ((key & 1) != 0)
{
session = this.session;
}
else
{
session = this.dictionary;
}
if (!session.TryLookup((int)(key >> 1), out str))
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(this.reader);
}
return(str);
}
public static Guid ToGuid(string value)
{
try
{
return(new Guid(Trim(value)));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception));
}
}
public static ulong ToUInt64(string value)
{
try
{
return(ulong.Parse(value, NumberStyles.Any, NumberFormatInfo.InvariantInfo));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "UInt64", exception));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "UInt64", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "UInt64", exception));
}
}
public virtual bool ReadToNextSibling(string name)
{
if (name == null || name.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(name, nameof(name));
}
name = this.NameTable.Add(name);
XmlNodeType nodeType;
do
{
this.SkipSubtree();
nodeType = this.NodeType;
if (nodeType == XmlNodeType.Element && Ref.Equal(name, this.Name))
{
return(true);
}
}while (nodeType != XmlNodeType.EndElement && !this.EOF);
return(false);
}
private int GetDecimalCharEntity(int offset, int length)
{
byte[] buffer = this.buffer;
int num = 0;
for (int i = 2; i < (length - 1); i++)
{
byte num3 = buffer[offset + i];
if ((num3 < 0x30) || (num3 > 0x39))
{
XmlExceptionHelper.ThrowInvalidCharRef(this.reader);
}
num = (num * 10) + (num3 - 0x30);
if (num > 0x10ffff)
{
XmlExceptionHelper.ThrowInvalidCharRef(this.reader);
}
}
return(num);
}
public XmlDictionaryString GetDictionaryString(int key)
{
IXmlDictionary keyDictionary;
if ((key & 1) != 0)
{
keyDictionary = _session;
}
else
{
keyDictionary = _dictionary;
}
XmlDictionaryString s;
if (!keyDictionary.TryLookup(key >> 1, out s))
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(_reader);
}
return(s);
}
/// <summary>
/// Split a QualifiedName into prefix and localname, w/o any checking.
/// (Used for XmlReader/XPathNavigator MoveTo(name) methods)
/// </summary>
internal static void SplitQName(string name, out string prefix, out string lname)
{
int colonPos = name.IndexOf(':');
if (-1 == colonPos)
{
prefix = string.Empty;
lname = name;
}
else if (0 == colonPos || (name.Length - 1) == colonPos)
{
throw new ArgumentException(SR.Format(SR.Xml_BadNameChar, XmlExceptionHelper.BuildCharExceptionArgs(':', '\0')), "name");
}
else
{
prefix = name.Substring(0, colonPos);
colonPos++; // move after colon
lname = name.Substring(colonPos, name.Length - colonPos);
}
}
public virtual bool ReadToFollowing(string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(localName, nameof(localName));
}
if (namespaceURI == null)
{
throw new ArgumentNullException(nameof(namespaceURI));
}
localName = this.NameTable.Add(localName);
namespaceURI = this.NameTable.Add(namespaceURI);
while (this.Read())
{
if (this.NodeType == XmlNodeType.Element && Ref.Equal(localName, this.LocalName) && Ref.Equal(namespaceURI, this.NamespaceURI))
{
return(true);
}
}
return(false);
}
// Reads to the following element with the given Name.
public virtual bool ReadToFollowing(string name)
{
if (name == null || name.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(name, "name");
}
// atomize name
name = NameTable.Add(name);
// find following element with that name
while (Read())
{
if (NodeType == XmlNodeType.Element && Ref.Equal(name, Name))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Throws an invalid name exception.
/// </summary>
/// <param name="s">String that was parsed.</param>
/// <param name="offsetStartChar">Offset in string where parsing began.</param>
/// <param name="offsetBadChar">Offset in string where parsing failed.</param>
internal static void ThrowInvalidName(string s, int offsetStartChar, int offsetBadChar)
{
// If the name is empty, throw an exception
if (offsetStartChar >= s.Length)
{
throw new XmlException(SR.Xml_EmptyName);
}
Debug.Assert(offsetBadChar < s.Length);
if (xmlCharType.IsNCNameSingleChar(s[offsetBadChar]) && !XmlCharType.Instance.IsStartNCNameSingleChar(s[offsetBadChar]))
{
// The error character is a valid name character, but is not a valid start name character
throw new XmlException(SR.Format(SR.Xml_BadStartNameChar, XmlExceptionHelper.BuildCharExceptionArgs(s, offsetBadChar)));
}
else
{
// The error character is an invalid name character
throw new XmlException(SR.Format(SR.Xml_BadNameChar, XmlExceptionHelper.BuildCharExceptionArgs(s, offsetBadChar)));
}
}
public int ReadDictionaryKey()
{
int key = ReadMultiByteUInt31();
if ((key & 1) != 0)
{
if (_session == null)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(_reader);
}
int sessionKey = (key >> 1);
XmlDictionaryString xmlString;
if (!_session.TryLookup(sessionKey, out xmlString))
{
if (sessionKey < XmlDictionaryString.MinKey || sessionKey > XmlDictionaryString.MaxKey)
{
XmlExceptionHelper.ThrowXmlDictionaryStringIDOutOfRange(_reader);
}
XmlExceptionHelper.ThrowXmlDictionaryStringIDUndefinedSession(_reader, sessionKey);
}
}
else
{
if (_dictionary == null)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(_reader);
}
int staticKey = (key >> 1);
XmlDictionaryString xmlString;
if (!_dictionary.TryLookup(staticKey, out xmlString))
{
if (staticKey < XmlDictionaryString.MinKey || staticKey > XmlDictionaryString.MaxKey)
{
XmlExceptionHelper.ThrowXmlDictionaryStringIDOutOfRange(_reader);
}
XmlExceptionHelper.ThrowXmlDictionaryStringIDUndefinedStatic(_reader, staticKey);
}
}
return(key);
}
public static float ToSingle(string value)
{
float num;
try
{
num = XmlConvert.ToSingle(value);
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "float", exception));
}
catch (FormatException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "float", exception2));
}
catch (OverflowException exception3)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "float", exception3));
}
return(num);
}
public TimeSpan ReadTimeSpan()
{
long value = 0;
try
{
value = ReadInt64();
return(TimeSpan.FromTicks(value));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "TimeSpan", exception));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "TimeSpan", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "TimeSpan", exception));
}
}
public DateTime ReadDateTime()
{
long value = 0;
try
{
value = ReadInt64();
return(DateTime.FromBinary(value));
}
catch (ArgumentException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "DateTime", exception));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "DateTime", exception));
}
catch (OverflowException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value.ToString(CultureInfo.InvariantCulture), "DateTime", exception));
}
}
public unsafe decimal GetDecimal(int offset)
{
byte[] buffer = this.buffer;
byte num = buffer[offset];
byte num2 = buffer[offset + 1];
byte num3 = buffer[offset + 2];
byte num4 = buffer[offset + 3];
int num5 = (((((num4 << 8) + num3) << 8) + num2) << 8) + num;
if (((num5 & 0x7f00ffff) == 0) && ((num5 & 0xff0000) <= 0x1c0000))
{
decimal num6;
byte * numPtr = (byte *)&num6;
for (int i = 0; i < 0x10; i++)
{
numPtr[i] = buffer[offset + i];
}
return(num6);
}
XmlExceptionHelper.ThrowInvalidBinaryFormat(this.reader);
return(0M);
}
public int ReadMultiByteUInt31()
{
int @byte = this.GetByte();
this.Advance(1);
if ((@byte & 0x80) != 0)
{
@byte &= 0x7f;
int num2 = this.GetByte();
this.Advance(1);
@byte |= (num2 & 0x7f) << 7;
if ((num2 & 0x80) == 0)
{
return(@byte);
}
int num3 = this.GetByte();
this.Advance(1);
@byte |= (num3 & 0x7f) << 14;
if ((num3 & 0x80) == 0)
{
return(@byte);
}
int num4 = this.GetByte();
this.Advance(1);
@byte |= (num4 & 0x7f) << 0x15;
if ((num4 & 0x80) == 0)
{
return(@byte);
}
int num5 = this.GetByte();
this.Advance(1);
@byte |= num5 << 0x1c;
if ((num5 & 0xf8) != 0)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(this.reader);
}
}
return(@byte);
}
public int ReadDictionaryKey()
{
XmlDictionaryString str2;
int num = this.ReadMultiByteUInt31();
if ((num & 1) != 0)
{
XmlDictionaryString str;
if (this.session == null)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(this.reader);
}
int num2 = num >> 1;
if (!this.session.TryLookup(num2, out str))
{
if ((num2 < 0) || (num2 > 0x1fffffff))
{
XmlExceptionHelper.ThrowXmlDictionaryStringIDOutOfRange(this.reader);
}
XmlExceptionHelper.ThrowXmlDictionaryStringIDUndefinedSession(this.reader, num2);
}
return(num);
}
if (this.dictionary == null)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(this.reader);
}
int key = num >> 1;
if (!this.dictionary.TryLookup(key, out str2))
{
if ((key < 0) || (key > 0x1fffffff))
{
XmlExceptionHelper.ThrowXmlDictionaryStringIDOutOfRange(this.reader);
}
XmlExceptionHelper.ThrowXmlDictionaryStringIDUndefinedStatic(this.reader, key);
}
return(num);
}
private void ReadStartElement()
{
if (!this.buffered)
{
this.BufferElement();
}
XmlBaseReader.XmlElementNode node = base.EnterScope();
node.NameOffset = base.BufferReader.Offset;
this.ReadQualifiedName(node.Prefix, node.LocalName);
node.NameLength = base.BufferReader.Offset - node.NameOffset;
byte @byte = base.BufferReader.GetByte();
while ((charType[@byte] & 4) != 0)
{
base.BufferReader.SkipByte();
@byte = base.BufferReader.GetByte();
}
if ((@byte != 0x3e) && (@byte != 0x2f))
{
this.ReadAttributes();
@byte = base.BufferReader.GetByte();
}
node.Namespace = base.LookupNamespace(node.Prefix);
bool flag = false;
if (@byte == 0x2f)
{
flag = true;
base.BufferReader.SkipByte();
}
node.IsEmptyElement = flag;
node.ExitScope = flag;
if (base.BufferReader.GetByte() != 0x3e)
{
XmlExceptionHelper.ThrowTokenExpected(this, ">", (char)base.BufferReader.GetByte());
}
base.BufferReader.SkipByte();
node.BufferOffset = base.BufferReader.Offset;
}
public static Guid ToGuid(string value)
{
Guid guid;
try
{
guid = Guid.Parse(Trim(value));
}
catch (FormatException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception));
}
catch (ArgumentException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception2));
}
catch (OverflowException exception3)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlExceptionHelper.CreateConversionException(value, "Guid", exception3));
}
return(guid);
}
private int GetHexCharEntity(int offset, int length)
{
byte[] buffer = _buffer;
DiagnosticUtility.DebugAssert(buffer[offset + 0] == '&', "");
DiagnosticUtility.DebugAssert(buffer[offset + 1] == '#', "");
DiagnosticUtility.DebugAssert(buffer[offset + 2] == 'x', "");
DiagnosticUtility.DebugAssert(buffer[offset + length - 1] == ';', "");
int value = 0;
for (int i = 3; i < length - 1; i++)
{
byte ch = buffer[offset + i];
int digit = 0;
if (ch >= '0' && ch <= '9')
{
digit = (ch - '0');
}
else if (ch >= 'a' && ch <= 'f')
{
digit = 10 + (ch - 'a');
}
else if (ch >= 'A' && ch <= 'F')
{
digit = 10 + (ch - 'A');
}
else
{
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
}
DiagnosticUtility.DebugAssert(digit >= 0 && digit < 16, "");
value = value * 16 + digit;
if (value > SurrogateChar.MaxValue)
{
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
}
}
return(value);
}
private bool TryEnsureBytes(int count)
{
if (this.stream == null)
{
return(false);
}
if (this.offset > (0x7fffffff - count))
{
XmlExceptionHelper.ThrowMaxBytesPerReadExceeded(this.reader, this.windowOffsetMax - this.windowOffset);
}
int num = this.offset + count;
if (num >= this.offsetMax)
{
int num3;
if (num > this.windowOffsetMax)
{
XmlExceptionHelper.ThrowMaxBytesPerReadExceeded(this.reader, this.windowOffsetMax - this.windowOffset);
}
if (num > this.buffer.Length)
{
byte[] dst = new byte[Math.Max(num, this.buffer.Length * 2)];
System.Buffer.BlockCopy(this.buffer, 0, dst, 0, this.offsetMax);
this.buffer = dst;
this.streamBuffer = dst;
}
for (int i = num - this.offsetMax; i > 0; i -= num3)
{
num3 = this.stream.Read(this.buffer, this.offsetMax, i);
if (num3 == 0)
{
return(false);
}
this.offsetMax += num3;
}
}
return(true);
}
private int GetDecimalCharEntity(int offset, int length)
{
byte[] buffer = _buffer;
DiagnosticUtility.DebugAssert(buffer[offset + 0] == '&', "");
DiagnosticUtility.DebugAssert(buffer[offset + 1] == '#', "");
DiagnosticUtility.DebugAssert(buffer[offset + length - 1] == ';', "");
int value = 0;
for (int i = 2; i < length - 1; i++)
{
byte ch = buffer[offset + i];
if (ch < (byte)'0' || ch > (byte)'9')
{
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
}
value = value * 10 + (ch - '0');
if (value > SurrogateChar.MaxValue)
{
XmlExceptionHelper.ThrowInvalidCharRef(_reader);
}
}
return(value);
}
private void ReadList(ValueHandle value)
{
_listValue ??= new ValueHandle(this);
int count = 0;
int offset = this.Offset;
while (true)
{
XmlBinaryNodeType nodeType = GetNodeType();
SkipNodeType();
if (nodeType == XmlBinaryNodeType.StartListText)
{
XmlExceptionHelper.ThrowInvalidBinaryFormat(_reader);
}
if (nodeType == XmlBinaryNodeType.EndListText)
{
break;
}
ReadValue(nodeType, _listValue);
count++;
}
value.SetValue(ValueHandleType.List, offset, count);
}