internal XmlCharCheckingWriter(XmlWriter baseWriter, bool checkValues, bool checkNames, bool replaceNewLines, string newLineChars) : base(baseWriter)
{
this.checkValues = checkValues;
this.checkNames = checkNames;
this.replaceNewLines = replaceNewLines;
this.newLineChars = newLineChars;
if (checkValues)
{
this.xmlCharType = XmlCharType.Instance;
}
}
internal XmlCharCheckingReader(XmlReader reader, bool checkCharacters, bool ignoreWhitespace, bool ignoreComments, bool ignorePis, DtdProcessing dtdProcessing) : base(reader)
{
this.state = State.Initial;
this.checkCharacters = checkCharacters;
this.ignoreWhitespace = ignoreWhitespace;
this.ignoreComments = ignoreComments;
this.ignorePis = ignorePis;
this.dtdProcessing = dtdProcessing;
this.lastNodeType = XmlNodeType.None;
if (checkCharacters)
{
this.xmlCharType = XmlCharType.Instance;
}
}
//
// Constructor
//
internal XmlCharCheckingWriter(XmlWriter baseWriter, bool checkValues, bool checkNames, bool replaceNewLines, string newLineChars)
: base(baseWriter)
{
Debug.Assert(checkValues || replaceNewLines);
_checkValues = checkValues;
_checkNames = checkNames;
_replaceNewLines = replaceNewLines;
_newLineChars = newLineChars;
if (checkValues)
{
_xmlCharType = XmlCharType.Instance;
}
}
internal XmlTextWriter()
{
this.xmlCharType = XmlCharType.Instance;
this.namespaces = true;
this.formatting = System.Xml.Formatting.None;
this.indentation = 2;
this.indentChar = ' ';
this.nsStack = new Namespace[8];
this.nsTop = -1;
this.stack = new TagInfo[10];
this.top = 0;
this.stack[this.top].Init(-1);
this.quoteChar = '"';
this.stateTable = stateTableDefault;
this.currentState = State.Start;
this.lastToken = Token.Empty;
}
//
// Constructor
//
internal XmlCharCheckingReader( XmlReader reader, bool checkCharacters, bool ignoreWhitespace, bool ignoreComments, bool ignorePis, DtdProcessing dtdProcessing )
: base( reader ) {
Debug.Assert( checkCharacters || ignoreWhitespace || ignoreComments || ignorePis || (int)dtdProcessing != -1 );
state = State.Initial;
this.checkCharacters = checkCharacters;
this.ignoreWhitespace = ignoreWhitespace;
this.ignoreComments = ignoreComments;
this.ignorePis = ignorePis;
this.dtdProcessing = dtdProcessing;
lastNodeType = XmlNodeType.None;
if ( checkCharacters ) {
xmlCharType = XmlCharType.Instance;
}
}
protected XmlEncodedRawTextWriter(XmlWriterSettings settings)
{
this.xmlCharType = XmlCharType.Instance;
this.bufPos = 1;
this.textPos = 1;
this.bufLen = 0x1800;
this.newLineHandling = settings.NewLineHandling;
this.omitXmlDeclaration = settings.OmitXmlDeclaration;
this.newLineChars = settings.NewLineChars;
this.checkCharacters = settings.CheckCharacters;
this.closeOutput = settings.CloseOutput;
this.standalone = settings.Standalone;
this.outputMethod = settings.OutputMethod;
this.mergeCDataSections = settings.MergeCDataSections;
if (this.checkCharacters && (this.newLineHandling == NewLineHandling.Replace))
{
this.ValidateContentChars(this.newLineChars, "NewLineChars", false);
}
}
internal XsdValidatingReader(XmlReader reader, XmlResolver xmlResolver, XmlReaderSettings readerSettings, XmlSchemaObject partialValidationType)
{
this.xmlCharType = XmlCharType.Instance;
this.coreReader = reader;
this.coreReaderNSResolver = reader as IXmlNamespaceResolver;
this.lineInfo = reader as IXmlLineInfo;
this.coreReaderNameTable = this.coreReader.NameTable;
if (this.coreReaderNSResolver == null)
{
this.nsManager = new XmlNamespaceManager(this.coreReaderNameTable);
this.manageNamespaces = true;
}
this.thisNSResolver = this;
this.xmlResolver = xmlResolver;
this.processInlineSchema = (readerSettings.ValidationFlags & XmlSchemaValidationFlags.ProcessInlineSchema) != XmlSchemaValidationFlags.None;
this.Init();
this.SetupValidator(readerSettings, reader, partialValidationType);
this.validationEvent = readerSettings.GetEventHandler();
}
//
// Constructor
//
internal XmlCharCheckingReader( XmlReader reader, bool checkCharacters, bool ignoreWhitespace, bool ignoreComments, bool ignorePis, bool prohibitDtd )
: base( reader ) {
Debug.Assert( checkCharacters || ignoreWhitespace || ignoreComments || ignorePis || prohibitDtd );
state = State.Initial;
this.checkCharacters = checkCharacters;
this.ignoreWhitespace = ignoreWhitespace;
this.ignoreComments = ignoreComments;
this.ignorePis = ignorePis;
this.prohibitDtd = prohibitDtd;
lastNodeType = XmlNodeType.None;
if ( checkCharacters ) {
xmlCharType = XmlCharType.Instance;
}
}
internal static void VerifyCharData(char[] data, int offset, int len, ExceptionType exceptionType)
{
if (data == null || len == 0)
{
return;
}
int i = offset;
int endPos = offset + len;
for (; ;)
{
while (i < endPos && s_xmlCharType.IsCharData(data[i]))
{
i++;
}
if (i == endPos)
{
return;
}
char ch = data[i];
if (XmlCharType.IsHighSurrogate(ch))
{
if (i + 1 == endPos)
{
throw CreateException(SR.Xml_InvalidSurrogateMissingLowChar, exceptionType, 0, offset - i + 1);
}
ch = data[i + 1];
if (XmlCharType.IsLowSurrogate(ch))
{
i += 2;
continue;
}
else
{
throw CreateInvalidSurrogatePairException(data[i + 1], data[i], exceptionType, 0, offset - i + 1);
}
}
throw CreateInvalidCharException(data, len, i, exceptionType);
}
}
internal static void VerifyCharData(string data, ExceptionType invCharExceptionType, ExceptionType invSurrogateExceptionType)
{
if (data == null || data.Length == 0)
{
return;
}
int i = 0;
int len = data.Length;
for (; ;)
{
while (i < len && s_xmlCharType.IsCharData(data[i]))
{
i++;
}
if (i == len)
{
return;
}
char ch = data[i];
if (XmlCharType.IsHighSurrogate(ch))
{
if (i + 1 == len)
{
throw CreateException(SR.Xml_InvalidSurrogateMissingLowChar, invSurrogateExceptionType, 0, i + 1);
}
ch = data[i + 1];
if (XmlCharType.IsLowSurrogate(ch))
{
i += 2;
continue;
}
else
{
throw CreateInvalidSurrogatePairException(data[i + 1], data[i], invSurrogateExceptionType, 0, i + 1);
}
}
throw CreateInvalidCharException(data, i, invCharExceptionType);
}
}
public static unsafe void VerifyCharData(string data, ExceptionType invCharExceptionType, ExceptionType invSurrogateExceptionType)
{
if (string.IsNullOrEmpty(data))
{
return;
}
int i = 0;
int len = data.Length;
for (; ;)
{
while (i < len && (xmlCharType.charProperties[data[i]] & XmlCharType.fCharData) != 0)
{
i++;
}
if (i == len)
{
return;
}
char ch = data[i];
if (XmlCharType.IsHighSurrogate(ch))
{
if (i + 1 == len)
{
throw CreateException(SR.Xml_InvalidSurrogateMissingLowChar, invSurrogateExceptionType, 0, i + 1);
}
ch = data[i + 1];
if (XmlCharType.IsLowSurrogate(ch))
{
i += 2;
continue;
}
else
{
throw CreateInvalidSurrogatePairException(data[i + 1], data[i], invSurrogateExceptionType, 0, i + 1);
}
}
throw CreateInvalidCharException(data, i, invCharExceptionType);
}
}
internal unsafe void EncodeChar(ref char *pSrc, char *pSrcEnd, ref byte *pDst)
{
int ch = (int)pSrc;
if (XmlCharType.IsSurrogate(ch))
{
pDst = EncodeSurrogate(pSrc, pSrcEnd, pDst);
pSrc += (IntPtr)4;
}
else if ((ch <= 0x7f) || (ch >= 0xfffe))
{
pDst = this.InvalidXmlChar(ch, pDst, false);
pSrc += (IntPtr)2;
}
else
{
pDst = EncodeMultibyteUTF8(ch, pDst);
pSrc += (IntPtr)2;
}
}
internal void WriteSurrogateCharEntity(char lowChar, char highChar)
{
if (!XmlCharType.IsLowSurrogate(lowChar) ||
!XmlCharType.IsHighSurrogate(highChar))
{
throw XmlConvert.CreateInvalidSurrogatePairException(lowChar, highChar);
}
int surrogateChar = XmlCharType.CombineSurrogateChar(lowChar, highChar);
if (_cacheAttrValue)
{
Debug.Assert(_attrValue != null);
_attrValue.Append(highChar);
_attrValue.Append(lowChar);
}
_textWriter.Write("&#x");
_textWriter.Write(surrogateChar.ToString("X", NumberFormatInfo.InvariantInfo));
_textWriter.Write(';');
}
//
// Constructor
//
internal XmlCharCheckingReader(XmlReader reader, bool checkCharacters, bool ignoreWhitespace, bool ignoreComments, bool ignorePis, DtdProcessing dtdProcessing)
: base(reader)
{
Debug.Assert(checkCharacters || ignoreWhitespace || ignoreComments || ignorePis || (int)dtdProcessing != -1);
_state = State.Initial;
_checkCharacters = checkCharacters;
_ignoreWhitespace = ignoreWhitespace;
_ignoreComments = ignoreComments;
_ignorePis = ignorePis;
_dtdProcessing = dtdProcessing;
_lastNodeType = XmlNodeType.None;
if (checkCharacters)
{
_xmlCharType = XmlCharType.Instance;
}
}
internal static string[] BuildCharExceptionArgs(char invChar, char nextChar)
{
string[] strArray = new string[2];
if (XmlCharType.IsHighSurrogate(invChar) && (nextChar != '\0'))
{
int num = XmlCharType.CombineSurrogateChar(nextChar, invChar);
strArray[0] = new string(new char[] { invChar, nextChar });
strArray[1] = string.Format(CultureInfo.InvariantCulture, "0x{0:X2}", new object[] { num });
return(strArray);
}
if (invChar == '\0')
{
strArray[0] = ".";
}
else
{
strArray[0] = invChar.ToString(CultureInfo.InvariantCulture);
}
strArray[1] = string.Format(CultureInfo.InvariantCulture, "0x{0:X2}", new object[] { (int)invChar });
return(strArray);
}
public override void WriteWhitespace(string?ws)
{
ws ??= string.Empty;
// "checkNames" is intentional here; if false, the whitespace is checked in XmlWellformedWriter
if (_checkNames)
{
int i;
if ((i = XmlCharType.IsOnlyWhitespaceWithPos(ws)) != -1)
{
throw new ArgumentException(SR.Format(SR.Xml_InvalidWhitespaceCharacter, XmlException.BuildCharExceptionArgs(ws, i)));
}
}
if (_replaceNewLines)
{
ws = ReplaceNewLines(ws);
}
writer.WriteWhitespace(ws);
}
internal static unsafe void CharToUTF8(ref char *pSrc, char *pSrcEnd, ref byte *pDst)
{
int ch = (int)pSrc;
if (ch <= 0x7f)
{
pDst = (byte *)((byte)ch);
pDst += (IntPtr)1;
pSrc += (IntPtr)2;
}
else if (XmlCharType.IsSurrogate(ch))
{
pDst = EncodeSurrogate(pSrc, pSrcEnd, pDst);
pSrc += (IntPtr)4;
}
else
{
pDst = EncodeMultibyteUTF8(ch, pDst);
pSrc += (IntPtr)2;
}
}
//-----------------------------------------------
// Nmtoken parsing (no XML namespaces support)
//-----------------------------------------------
/// <summary>
/// Attempts to parse the input string as an Nmtoken (see the XML spec production [7]) without taking
/// into account the XML Namespaces spec. What it means is that the ':' character is allowed at any
/// position and any number of times in the token.
/// Quits parsing when an invalid Nmtoken char is reached or the end of string is reached.
/// Returns the number of valid Nmtoken chars that were parsed.
/// </summary>
internal static int ParseNmtokenNoNamespaces(string s, int offset)
{
Debug.Assert(s != null && offset <= s.Length);
// Keep parsing until the end of string or an invalid Name character is reached
int i = offset;
while (i < s.Length)
{
if (XmlCharType.IsNameSingleChar(s[i]) || s[i] == ':')
{
i++;
}
else
{
break;
}
}
return(i - offset);
}
internal static Exception GetInvalidNameException(string s, int offsetStartChar, int offsetBadChar)
{
// If the name is empty, throw an exception
if (offsetStartChar >= s.Length)
{
return(new XmlException(SR.Xml_EmptyName, string.Empty));
}
Debug.Assert(offsetBadChar < s.Length);
if (XmlCharType.IsNCNameSingleChar(s[offsetBadChar]) && !XmlCharType.IsStartNCNameSingleChar(s[offsetBadChar]))
{
// The error character is a valid name character, but is not a valid start name character
return(new XmlException(SR.Xml_BadStartNameChar, XmlException.BuildCharExceptionArgs(s, offsetBadChar)));
}
else
{
// The error character is an invalid name character
return(new XmlException(SR.Xml_BadNameChar, XmlException.BuildCharExceptionArgs(s, offsetBadChar)));
}
}
/// <include file='doc\XmlReader.uex' path='docs/doc[@for="XmlReader.IsNameToken"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public static bool IsNameToken(string str)
{
if (str == String.Empty)
{
return(false);
}
int i = str.Length - 1;
while (i >= 0)
{
if (XmlCharType.IsNameChar(str[i]))
{
i--;
}
else
{
return(false);
}
}
return(true);
}
internal int IsOnlyCharData(string str)
{
if (str != null)
{
for (int i = 0; i < str.Length; i++)
{
if ((charProperties[str[i]] & fCharData) == 0)
{
if (i + 1 >= str.Length || !(XmlCharType.IsHighSurrogate(str[i]) && XmlCharType.IsLowSurrogate(str[i + 1])))
{
return(i);
}
else
{
i++;
}
}
}
}
return(-1);
}
internal override int GetFullChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
{
uint code;
int i, j;
byteCount += byteIndex;
for (i = byteIndex, j = charIndex; i + 3 < byteCount;)
{
code = BinaryPrimitives.ReadUInt32LittleEndian(bytes.AsSpan(i));
if (code > 0x10FFFF)
{
throw new ArgumentException(SR.Format(SR.Enc_InvalidByteInEncoding, new object[1] {
i
}), (string?)null);
}
else if (code > 0xFFFF)
{
Ucs4ToUTF16(code, chars, j);
j++;
}
else
{
if (XmlCharType.IsSurrogate((int)code))
{
throw new XmlException(SR.Xml_InvalidCharInThisEncoding, string.Empty);
}
else
{
chars[j] = (char)code;
}
}
j++;
i += 4;
}
return(j - charIndex);
}
internal override int GetFullChars(byte[] bytes, int byteIndex, int byteCount, char[] chars, int charIndex)
{
uint code;
int i, j;
byteCount += byteIndex;
for (i = byteIndex, j = charIndex; i + 3 < byteCount;)
{
code = (uint)((bytes[i + 2] << 24) | (bytes[i + 3] << 16) | (bytes[i] << 8) | bytes[i + 1]);
if (code > 0x10FFFF)
{
throw new ArgumentException(SR.Format(SR.Enc_InvalidByteInEncoding, new object[1] {
i
}), (string?)null);
}
else if (code > 0xFFFF)
{
Ucs4ToUTF16(code, chars, j);
j++;
}
else
{
if (XmlCharType.IsSurrogate((int)code))
{
throw new XmlException(SR.Xml_InvalidCharInThisEncoding, string.Empty);
}
else
{
chars[j] = (char)code;
}
}
j++;
i += 4;
}
return(j - charIndex);
}
public override Task WriteDocTypeAsync(string name, string?pubid, string?sysid, string?subset)
{
if (_checkNames)
{
ValidateQName(name);
}
if (_checkValues)
{
if (pubid != null)
{
int i;
if ((i = XmlCharType.IsPublicId(pubid)) >= 0)
{
throw XmlConvert.CreateInvalidCharException(pubid, i);
}
}
if (sysid != null)
{
CheckCharacters(sysid);
}
if (subset != null)
{
CheckCharacters(subset);
}
}
if (_replaceNewLines)
{
sysid = ReplaceNewLines(sysid);
pubid = ReplaceNewLines(pubid);
subset = ReplaceNewLines(subset);
}
return(writer.WriteDocTypeAsync(name, pubid, sysid, subset));
}
//-----------------------------------------------
// NCName parsing
//-----------------------------------------------
// <summary>
// Attempts to parse the input string as an NCName (see the XML Namespace spec).
// Quits parsing when an invalid NCName char is reached or the end of string is reached.
// Returns the number of valid NCName chars that were parsed.
// </summary>
public static unsafe int ParseNCName(string s, int offset)
{
int offsetStart = offset;
XmlCharType xmlCharType = XmlCharType.Instance;
Debug.Assert(s != null && offset <= s.Length);
// Quit if the first character is not a valid NCName starting character
if (offset < s.Length &&
(s[offset] > XmlCharType.MaxAsciiChar || (xmlCharType.charProperties[s[offset]] & XmlCharType.fNCStartName) != 0))
{ // xmlCharType.IsStartNCNameChar(s[offset])) {
// Keep parsing until the end of string or an invalid NCName character is reached
for (offset++; offset < s.Length; offset++)
{
if (!(s[offset] > XmlCharType.MaxAsciiChar || (xmlCharType.charProperties[s[offset]] & XmlCharType.fNCName) != 0)) // if (!xmlCharType.IsNCNameChar(s[offset]))
{
break;
}
}
}
return(offset - offsetStart);
}
internal static string VerifyNMTOKEN(string name)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name == string.Empty)
{
throw new XmlException(Res.Xml_InvalidNmToken, name);
}
int nameLength = name.Length;
int position = 0;
while (position < nameLength)
{
if (!XmlCharType.IsNameChar(name[position]))
{
throw new XmlException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(name[position]));
}
position++;
}
return(name);
}
/// <include file='doc\XmlConvert.uex' path='docs/doc[@for="XmlConvert.VerifyNCName"]/*' />
/// <devdoc>
/// <para>
/// </para>
/// </devdoc>
public static string VerifyNCName(string name)
{
if (name == null || name == string.Empty)
{
throw new ArgumentNullException("name");
}
if (!XmlCharType.IsStartNCNameChar(name[0]))
{
throw new XmlException(Res.Xml_BadStartNameChar, XmlException.BuildCharExceptionStr(name[0]));
}
int nameLength = name.Length;
int position = 1;
while (position < nameLength)
{
if (!XmlCharType.IsNCNameChar(name[position]))
{
throw new XmlException(Res.Xml_BadNameChar, XmlException.BuildCharExceptionStr(name[position]));
}
position++;
}
return(name);
}
// Replaces \r\n, \n, \r and \t with single space (0x20) and then removes spaces
// at the beggining and the end of the string and replaces sequences of spaces
// with a single space.
public static string NonCDataNormalize(string value)
{
int len = value.Length;
if (len <= 0)
{
return(string.Empty);
}
int startPos = 0;
StringBuilder?norValue = null;
while (XmlCharType.IsWhiteSpace(value[startPos]))
{
startPos++;
if (startPos == len)
{
return(" ");
}
}
int i = startPos;
while (i < len)
{
if (!XmlCharType.IsWhiteSpace(value[i]))
{
i++;
continue;
}
int j = i + 1;
while (j < len && XmlCharType.IsWhiteSpace(value[j]))
{
j++;
}
if (j == len)
{
if (norValue == null)
{
return(value.Substring(startPos, i - startPos));
}
else
{
norValue.Append(value, startPos, i - startPos);
return(norValue.ToString());
}
}
if (j > i + 1 || value[i] != 0x20)
{
if (norValue == null)
{
norValue = new StringBuilder(len);
}
norValue.Append(value, startPos, i - startPos);
norValue.Append((char)0x20);
startPos = j;
i = j;
}
else
{
i++;
}
}
if (norValue != null)
{
if (startPos < i)
{
norValue.Append(value, startPos, i - startPos);
}
return(norValue.ToString());
}
else
{
if (startPos > 0)
{
return(value.Substring(startPos, len - startPos));
}
else
{
return(value);
}
}
}
//
// Constructor
//
internal XmlTextEncoder(TextWriter textWriter)
{
_textWriter = textWriter;
_quoteChar = '"';
_xmlCharType = XmlCharType.Instance;
}
internal void Write(string text)
{
if (text == null)
{
return;
}
if (_cacheAttrValue)
{
_attrValue.Append(text);
}
// scan through the string to see if there are any characters to be escaped
int len = text.Length;
int i = 0;
int startPos = 0;
char ch = (char)0;
while (true)
{
while (i < len && _xmlCharType.IsAttributeValueChar(ch = text[i]))
{
i++;
}
if (i == len)
{
// reached the end of the string -> write it whole out
_textWriter.Write(text);
return;
}
if (_inAttribute)
{
if (ch == 0x9)
{
i++;
continue;
}
}
else
{
if (ch == 0x9 || ch == 0xA || ch == 0xD || ch == '"' || ch == '\'')
{
i++;
continue;
}
}
// some character that needs to be escaped is found:
break;
}
char[] helperBuffer = new char[256];
while (true)
{
if (startPos < i)
{
WriteStringFragment(text, startPos, i - startPos, helperBuffer);
}
if (i == len)
{
break;
}
switch (ch)
{
case (char)0x9:
_textWriter.Write(ch);
break;
case (char)0xA:
case (char)0xD:
if (_inAttribute)
{
WriteCharEntityImpl(ch);
}
else
{
_textWriter.Write(ch);
}
break;
case '<':
WriteEntityRefImpl("lt");
break;
case '>':
WriteEntityRefImpl("gt");
break;
case '&':
WriteEntityRefImpl("amp");
break;
case '\'':
if (_inAttribute && _quoteChar == ch)
{
WriteEntityRefImpl("apos");
}
else
{
_textWriter.Write('\'');
}
break;
case '"':
if (_inAttribute && _quoteChar == ch)
{
WriteEntityRefImpl("quot");
}
else
{
_textWriter.Write('"');
}
break;
default:
if (XmlCharType.IsHighSurrogate(ch))
{
if (i + 1 < len)
{
WriteSurrogateChar(text[++i], ch);
}
else
{
throw XmlConvert.CreateInvalidSurrogatePairException(text[i], ch);
}
}
else if (XmlCharType.IsLowSurrogate(ch))
{
throw XmlConvert.CreateInvalidHighSurrogateCharException(ch);
}
else
{
Debug.Assert((ch < 0x20 && !_xmlCharType.IsWhiteSpace(ch)) || (ch > 0xFFFD));
WriteCharEntityImpl(ch);
}
break;
}
i++;
startPos = i;
while (i < len && _xmlCharType.IsAttributeValueChar(ch = text[i]))
{
i++;
}
}
}
internal void Write(char[] array, int offset, int count)
{
if (null == array)
{
throw new ArgumentNullException(nameof(array));
}
if (0 > offset)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
if (0 > count)
{
throw new ArgumentOutOfRangeException(nameof(count));
}
if (count > array.Length - offset)
{
throw new ArgumentOutOfRangeException(nameof(count));
}
if (_cacheAttrValue)
{
_attrValue.Append(array, offset, count);
}
int endPos = offset + count;
int i = offset;
char ch = (char)0;
while (true)
{
int startPos = i;
while (i < endPos && _xmlCharType.IsAttributeValueChar(ch = array[i]))
{
i++;
}
if (startPos < i)
{
_textWriter.Write(array, startPos, i - startPos);
}
if (i == endPos)
{
break;
}
switch (ch)
{
case (char)0x9:
_textWriter.Write(ch);
break;
case (char)0xA:
case (char)0xD:
if (_inAttribute)
{
WriteCharEntityImpl(ch);
}
else
{
_textWriter.Write(ch);
}
break;
case '<':
WriteEntityRefImpl("lt");
break;
case '>':
WriteEntityRefImpl("gt");
break;
case '&':
WriteEntityRefImpl("amp");
break;
case '\'':
if (_inAttribute && _quoteChar == ch)
{
WriteEntityRefImpl("apos");
}
else
{
_textWriter.Write('\'');
}
break;
case '"':
if (_inAttribute && _quoteChar == ch)
{
WriteEntityRefImpl("quot");
}
else
{
_textWriter.Write('"');
}
break;
default:
if (XmlCharType.IsHighSurrogate(ch))
{
if (i + 1 < endPos)
{
WriteSurrogateChar(array[++i], ch);
}
else
{
throw new ArgumentException(SR.Xml_SurrogatePairSplit);
}
}
else if (XmlCharType.IsLowSurrogate(ch))
{
throw XmlConvert.CreateInvalidHighSurrogateCharException(ch);
}
else
{
Debug.Assert((ch < 0x20 && !_xmlCharType.IsWhiteSpace(ch)) || (ch > 0xFFFD));
WriteCharEntityImpl(ch);
}
break;
}
i++;
}
}
//
// Constructor
//
internal XmlTextEncoder(TextWriter textWriter)
{
this.textWriter = textWriter;
this.quoteChar = '"';
this.xmlCharType = XmlCharType.Instance;
}
internal int DecodeBinHex(char[] inArray, int offset, int inLength, byte[] outArray, int offsetOut, int countOut, bool flush)
{
String msg;
if (0 > offset)
{
throw new ArgumentOutOfRangeException("offset");
}
if (0 > offsetOut)
{
throw new ArgumentOutOfRangeException("offsetOut");
}
int len = (null == inArray) ? 0 : inArray.Length;
if (len < inLength)
{
throw new ArgumentOutOfRangeException("inLength");
}
// make sure that countOut + offsetOut are okay
int outArrayLen = outArray.Length;
if (outArrayLen < (countOut + offsetOut))
{
throw new ArgumentOutOfRangeException("offsetOut");
}
int inBufferCount = inLength - offset;
if (flush)
{
_charBuffer.Refresh();
}
if (inBufferCount > 0)
{
_charBuffer.Append(inArray, offset, inLength);
}
if ((_charBuffer.Length == 0) || (countOut == 0))
{
return(0);
}
// let's just make sure countOut > 0 and countOut < outArray.Length
countOut += offsetOut;
byte lowHalfByte;
// walk hex digits pairing them up and shoving the value of each pair into a byte
int internalBufferLength = _charBuffer.Length;
int offsetOutCur = offsetOut;
char ch;
int internalBufferOffset = 0;
do
{
ch = _charBuffer[internalBufferOffset++];
if (ch >= 'a' && ch <= 'f')
{
lowHalfByte = (byte)(10 + ch - 'a');
}
else if (ch >= 'A' && ch <= 'F')
{
lowHalfByte = (byte)(10 + ch - 'A');
}
else if (ch >= '0' && ch <= '9')
{
lowHalfByte = (byte)(ch - '0');
}
else if (XmlCharType.IsWhiteSpace(ch))
{
continue; // skip whitespace
}
else
{
msg = new String(_charBuffer.CurrentBuffer, _charBuffer.CurrentBufferOffset, (_charBuffer.CurrentBuffer == null) ? 0:(_charBuffer.CurrentBufferLength - _charBuffer.CurrentBufferOffset));
throw new XmlException(Res.Xml_InvalidBinHexValue, msg);
}
if (_HighNibblePresent)
{
outArray[offsetOutCur++] = (byte)((_highHalfByte << 4) + lowHalfByte);
_HighNibblePresent = false;
if (offsetOutCur == countOut)
{
break;
}
}
else
{
// shift nibble into top half of byte
_highHalfByte = lowHalfByte;
_HighNibblePresent = true;
}
}while (internalBufferOffset < internalBufferLength);
_charBuffer.CleanUp(internalBufferOffset);
return(offsetOutCur - offsetOut);
}
//
// Constructor
//
internal XmlTextEncoder( TextWriter textWriter ) {
this.textWriter = textWriter;
this.quoteChar = '"';
this.xmlCharType = XmlCharType.Instance;
}
public static string NonCDataNormalize(string value)
{
int length = value.Length;
if (length <= 0)
{
return(string.Empty);
}
int startIndex = 0;
StringBuilder builder = null;
XmlCharType instance = XmlCharType.Instance;
while (instance.IsWhiteSpace(value[startIndex]))
{
startIndex++;
if (startIndex == length)
{
return(" ");
}
}
int num3 = startIndex;
while (num3 < length)
{
if (!instance.IsWhiteSpace(value[num3]))
{
num3++;
}
else
{
int num4 = num3 + 1;
while ((num4 < length) && instance.IsWhiteSpace(value[num4]))
{
num4++;
}
if (num4 == length)
{
if (builder == null)
{
return(value.Substring(startIndex, num3 - startIndex));
}
builder.Append(value, startIndex, num3 - startIndex);
return(builder.ToString());
}
if ((num4 > (num3 + 1)) || (value[num3] != ' '))
{
if (builder == null)
{
builder = new StringBuilder(length);
}
builder.Append(value, startIndex, num3 - startIndex);
builder.Append(' ');
startIndex = num4;
num3 = num4;
continue;
}
num3++;
}
}
if (builder != null)
{
if (startIndex < num3)
{
builder.Append(value, startIndex, num3 - startIndex);
}
return(builder.ToString());
}
if (startIndex > 0)
{
return(value.Substring(startIndex, length - startIndex));
}
return(value);
}
private int SurrogateCharToUtf32(char highSurrogate, char lowSurrogate)
{
return(XmlCharType.CombineSurrogateChar(lowSurrogate, highSurrogate));
}
//
// Constructor
//
internal XmlTextEncoder(TextWriter textWriter)
{
_textWriter = textWriter;
_quoteChar = '"';
_xmlCharType = XmlCharType.Instance;
}
// This method trims whitespace from the beginning and the end of the string and cached writer events
internal void Trim()
{
// if only one string value -> trim the write spaces directly
if (_singleStringValue != null)
{
_singleStringValue = XmlConvert.TrimString(_singleStringValue);
return;
}
// trim the string in StringBuilder
string valBefore = _stringValue.ToString();
string valAfter = XmlConvert.TrimString(valBefore);
if (valBefore != valAfter)
{
_stringValue = new StringBuilder(valAfter);
}
// trim the beginning of the recorded writer events
XmlCharType xmlCharType = XmlCharType.Instance;
int i = _firstItem;
while (i == _firstItem && i <= _lastItem)
{
Item item = _items[i];
switch (item.type)
{
case ItemType.Whitespace:
_firstItem++;
break;
case ItemType.String:
case ItemType.Raw:
case ItemType.ValueString:
item.data = XmlConvert.TrimStringStart((string)item.data);
if (((string)item.data).Length == 0)
{
// no characters left -> move the firstItem index to exclude it from the Replay
_firstItem++;
}
break;
case ItemType.StringChars:
case ItemType.RawChars:
BufferChunk bufChunk = (BufferChunk)item.data;
int endIndex = bufChunk.index + bufChunk.count;
while (bufChunk.index < endIndex && xmlCharType.IsWhiteSpace(bufChunk.buffer[bufChunk.index]))
{
bufChunk.index++;
bufChunk.count--;
}
if (bufChunk.index == endIndex)
{
// no characters left -> move the firstItem index to exclude it from the Replay
_firstItem++;
}
break;
}
i++;
}
// trim the end of the recorded writer events
i = _lastItem;
while (i == _lastItem && i >= _firstItem)
{
Item item = _items[i];
switch (item.type)
{
case ItemType.Whitespace:
_lastItem--;
break;
case ItemType.String:
case ItemType.Raw:
case ItemType.ValueString:
item.data = XmlConvert.TrimStringEnd((string)item.data);
if (((string)item.data).Length == 0)
{
// no characters left -> move the lastItem index to exclude it from the Replay
_lastItem--;
}
break;
case ItemType.StringChars:
case ItemType.RawChars:
BufferChunk bufChunk = (BufferChunk)item.data;
while (bufChunk.count > 0 && xmlCharType.IsWhiteSpace(bufChunk.buffer[bufChunk.index + bufChunk.count - 1]))
{
bufChunk.count--;
}
if (bufChunk.count == 0)
{
// no characters left -> move the lastItem index to exclude it from the Replay
_lastItem--;
}
break;
}
i--;
}
}
public override async Task <bool> ReadAsync()
{
switch (_state)
{
case State.Initial:
_state = State.Interactive;
if (base.reader.ReadState == ReadState.Initial)
{
goto case State.Interactive;
}
break;
case State.Error:
return(false);
case State.InReadBinary:
_state = State.Interactive;
if (_readBinaryHelper != null)
{
await _readBinaryHelper.FinishAsync().ConfigureAwait(false);
}
_state = State.Interactive;
goto case State.Interactive;
case State.Interactive:
if (!await base.reader.ReadAsync().ConfigureAwait(false))
{
return(false);
}
break;
default:
Debug.Fail($"Unexpected state {_state}");
return(false);
}
XmlNodeType nodeType = base.reader.NodeType;
if (!_checkCharacters)
{
switch (nodeType)
{
case XmlNodeType.Comment:
if (_ignoreComments)
{
return(await ReadAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.Whitespace:
if (_ignoreWhitespace)
{
return(await ReadAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.ProcessingInstruction:
if (_ignorePis)
{
return(await ReadAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.DocumentType:
if (_dtdProcessing == DtdProcessing.Prohibit)
{
Throw(SR.Xml_DtdIsProhibitedEx, string.Empty);
}
else if (_dtdProcessing == DtdProcessing.Ignore)
{
return(await ReadAsync().ConfigureAwait(false));
}
break;
}
return(true);
}
else
{
switch (nodeType)
{
case XmlNodeType.Element:
if (_checkCharacters)
{
// check element name
ValidateQName(base.reader.Prefix, base.reader.LocalName);
// check values of attributes
if (base.reader.MoveToFirstAttribute())
{
do
{
ValidateQName(base.reader.Prefix, base.reader.LocalName);
CheckCharacters(base.reader.Value);
} while (base.reader.MoveToNextAttribute());
base.reader.MoveToElement();
}
}
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
if (_checkCharacters)
{
CheckCharacters(await base.reader.GetValueAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.EntityReference:
if (_checkCharacters)
{
// check name
ValidateQName(base.reader.Name);
}
break;
case XmlNodeType.ProcessingInstruction:
if (_ignorePis)
{
return(await ReadAsync().ConfigureAwait(false));
}
if (_checkCharacters)
{
ValidateQName(base.reader.Name);
CheckCharacters(base.reader.Value);
}
break;
case XmlNodeType.Comment:
if (_ignoreComments)
{
return(await ReadAsync().ConfigureAwait(false));
}
if (_checkCharacters)
{
CheckCharacters(base.reader.Value);
}
break;
case XmlNodeType.DocumentType:
if (_dtdProcessing == DtdProcessing.Prohibit)
{
Throw(SR.Xml_DtdIsProhibitedEx, string.Empty);
}
else if (_dtdProcessing == DtdProcessing.Ignore)
{
return(await ReadAsync().ConfigureAwait(false));
}
if (_checkCharacters)
{
ValidateQName(base.reader.Name);
CheckCharacters(base.reader.Value);
string?str = base.reader.GetAttribute("SYSTEM");
if (str != null)
{
CheckCharacters(str);
}
str = base.reader.GetAttribute("PUBLIC");
if (str != null)
{
int i;
if ((i = XmlCharType.IsPublicId(str)) >= 0)
{
Throw(SR.Xml_InvalidCharacter, XmlException.BuildCharExceptionArgs(str, i));
}
}
}
break;
case XmlNodeType.Whitespace:
if (_ignoreWhitespace)
{
return(await ReadAsync().ConfigureAwait(false));
}
if (_checkCharacters)
{
CheckWhitespace(await base.reader.GetValueAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.SignificantWhitespace:
if (_checkCharacters)
{
CheckWhitespace(await base.reader.GetValueAsync().ConfigureAwait(false));
}
break;
case XmlNodeType.EndElement:
if (_checkCharacters)
{
ValidateQName(base.reader.Prefix, base.reader.LocalName);
}
break;
default:
break;
}
_lastNodeType = nodeType;
return(true);
}
}
private bool IsValidXmlVersion(string ver)
{
return(ver.Length >= 3 && ver[0] == '1' && ver[1] == '.' && XmlCharType.IsOnlyDigits(ver, 2, ver.Length - 2));
}
public XmlSqlBinaryReader(System.IO.Stream stream, byte[] data, int len, string baseUri, bool closeInput, XmlReaderSettings settings) {
unicode = System.Text.Encoding.Unicode;
xmlCharType = XmlCharType.Instance;
this.xnt = settings.NameTable;
if (this.xnt == null) {
this.xnt = new NameTable();
this.xntFromSettings = false;
}
else {
this.xntFromSettings = true;
}
this.xml = this.xnt.Add("xml");
this.xmlns = this.xnt.Add("xmlns");
this.nsxmlns = this.xnt.Add(XmlReservedNs.NsXmlNs);
this.baseUri = baseUri;
this.state = ScanState.Init;
this.nodetype = XmlNodeType.None;
this.token = BinXmlToken.Error;
this.elementStack = new ElemInfo[16];
//this.elemDepth = 0;
this.attributes = new AttrInfo[8];
this.attrHashTbl = new int[8];
//this.attrCount = 0;
//this.attrIndex = 0;
this.symbolTables.Init();
this.qnameOther.Clear();
this.qnameElement.Clear();
this.xmlspacePreserve = false;
this.hasher = new SecureStringHasher();
this.namespaces = new Dictionary<String, NamespaceDecl>(hasher);
AddInitNamespace(String.Empty, String.Empty);
AddInitNamespace(this.xml, this.xnt.Add(XmlReservedNs.NsXml));
AddInitNamespace(this.xmlns, this.nsxmlns);
this.valueType = TypeOfString;
// init buffer position, etc
this.inStrm = stream;
if (data != null) {
Debug.Assert(len >= 2 && (data[0] == 0xdf && data[1] == 0xff));
this.data = data;
this.end = len;
this.pos = 2;
this.sniffed = true;
}
else {
this.data = new byte[XmlReader.DefaultBufferSize];
this.end = stream.Read(this.data, 0, XmlReader.DefaultBufferSize);
this.pos = 0;
this.sniffed = false;
}
this.mark = -1;
this.eof = (0 == this.end);
this.offset = 0;
this.closeInput = closeInput;
switch (settings.ConformanceLevel) {
case ConformanceLevel.Auto:
this.docState = 0; break;
case ConformanceLevel.Fragment:
this.docState = 9; break;
case ConformanceLevel.Document:
this.docState = 1; break;
}
this.checkCharacters = settings.CheckCharacters;
this.dtdProcessing = settings.DtdProcessing;
this.ignoreWhitespace = settings.IgnoreWhitespace;
this.ignorePIs = settings.IgnoreProcessingInstructions;
this.ignoreComments = settings.IgnoreComments;
if (TokenTypeMap == null)
GenerateTokenTypeMap();
}
