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);
        }
Exemplo n.º 2
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        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);
        }
Exemplo n.º 6
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 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));
     }
 }
Exemplo n.º 7
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 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);
        }
Exemplo n.º 9
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 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));
     }
 }
Exemplo n.º 10
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 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));
     }
 }
Exemplo n.º 11
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        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);
        }
Exemplo n.º 13
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        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);
        }
Exemplo n.º 14
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        /// <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);
            }
        }
Exemplo n.º 15
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 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);
 }
Exemplo n.º 16
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        // 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);
        }
Exemplo n.º 17
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        /// <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)));
            }
        }
Exemplo n.º 18
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        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);
        }
Exemplo n.º 20
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        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));
            }
        }
Exemplo n.º 21
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        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);
        }
Exemplo n.º 27
0
        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);
        }
Exemplo n.º 29
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        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);
        }
Exemplo n.º 30
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        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);
        }