private void HandleError(SourceContext context, string code, params string[] messageParameters)
{
if (this.errors == null)
{
return;
}
this.errors.Add(new ErrorNode(code, messageParameters)
{
SourceContext = context
});
}
private Token GetNextToken(bool stopAtEndOfLine)
{
this.isWhitespace = false;
switch (this.state)
{
case Scanner.State.StringLiteral1:
case Scanner.State.StringLiteral2:
if (this.endPos >= this.maxPos)
{
if (!stopAtEndOfLine)
{
this.HandleError(this.beginBlock, SR.UnclosedString, new string[0]);
}
return(Token.EndOfFile);
}
Token token1;
if ((int)this.GetChar(this.endPos) == 38)
{
this.isWhitespace = false;
token1 = this.ScanEntityReference();
}
else
{
token1 = this.ScanXmlString(this.state == Scanner.State.StringLiteral1 ? '"' : '\'', true);
if (this.stillInsideMultiLineToken)
{
this.stillInsideMultiLineToken = false;
}
else
{
this.state = Scanner.State.Attributes;
}
}
return(token1);
case Scanner.State.Text:
if (this.endPos >= this.maxPos)
{
return(Token.EndOfFile);
}
Token token2;
if ((int)this.GetChar(this.endPos) == 38)
{
token2 = this.ScanEntityReference();
}
else
{
token2 = this.ScanXmlText(stopAtEndOfLine);
if (this.stillInsideMultiLineToken)
{
this.stillInsideMultiLineToken = false;
}
else
{
this.state = Scanner.State.Xml;
}
}
return(token2);
case Scanner.State.LiteralComment:
if (this.endPos >= this.maxPos)
{
if (!stopAtEndOfLine)
{
this.HandleError(this.beginBlock, SR.UnclosedComment, new string[0]);
}
return(Token.EndOfFile);
}
Token token3 = this.ScanXmlComment(stopAtEndOfLine);
if (this.stillInsideMultiLineToken)
{
this.stillInsideMultiLineToken = false;
}
else
{
this.state = Scanner.State.Xml;
}
return(token3);
case Scanner.State.Xml:
if (this.endPos >= this.maxPos)
{
return(Token.EndOfFile);
}
this.startPos = this.endPos;
if (this.mode == Scanner.State.InternalSubset)
{
this.SkipWhitespace();
if (this.startPos < this.endPos)
{
this.unescapedString = this.Substring(this.startPos, this.endPos - this.startPos);
this.isWhitespace = true;
return(Token.LiteralContentString);
}
if ((int)this.GetChar(this.endPos) == 93 && this.mode == Scanner.State.InternalSubset)
{
++this.endPos;
this.mode = Scanner.State.Xml;
this.state = Scanner.State.Tag;
return(Token.RightBracket);
}
}
if ((int)this.GetChar(this.endPos) == 38)
{
return(this.ScanEntityReference());
}
Token token4 = this.ScanXmlText(stopAtEndOfLine);
if (this.startPos < this.endPos)
{
this.state = (int)this.GetChar(this.endPos) != 60 ? Scanner.State.Text : Scanner.State.Tag;
return(token4);
}
this.isWhitespace = false;
break;
case Scanner.State.CData:
if (this.endPos >= this.maxPos)
{
if (!stopAtEndOfLine)
{
this.HandleError(this.beginBlock, SR.UnclosedCData, new string[0]);
}
return(Token.EndOfFile);
}
Token token5 = this.ScanXmlCharacterData(stopAtEndOfLine);
if (this.stillInsideMultiLineToken)
{
this.stillInsideMultiLineToken = false;
}
else
{
this.state = Scanner.State.Xml;
}
return(token5);
case Scanner.State.PI:
if (this.endPos >= this.maxPos)
{
if (!stopAtEndOfLine)
{
this.HandleError(this.beginBlock, SR.UnclosedPI, new string[0]);
}
return(Token.EndOfFile);
}
Token token6 = this.ScanXmlProcessingInstructionsTag(stopAtEndOfLine);
if (this.stillInsideMultiLineToken)
{
this.stillInsideMultiLineToken = false;
if (token6 == Token.Identifier && this.unescapedString == "xml")
{
this.state = Scanner.State.Tag;
}
}
else
{
this.state = Scanner.State.Xml;
}
return(token6);
}
this.startPos = this.endPos;
char char1 = this.GetChar(this.endPos++);
switch (char1)
{
case ':':
this.unescapedString = ":";
return(Token.Colon);
case '<':
char char2 = this.GetChar(this.endPos);
switch (char2)
{
case '/':
this.GetChar(++this.endPos);
this.state = Scanner.State.EndTag;
this.unescapedString = "</";
return(Token.StartOfClosingTag);
case '?':
++this.endPos;
this.beginBlock = this.CurrentSourceContext;
this.state = Scanner.State.PI;
this.unescapedString = this.Substring(this.startPos, this.endPos - this.startPos);
return(Token.StartProcessingInstruction);
case '!':
char char3 = this.GetChar(++this.endPos);
switch (char3)
{
case '-':
if ((int)this.GetChar(++this.endPos) == 45)
{
++this.endPos;
this.beginBlock = this.CurrentSourceContext;
this.state = Scanner.State.LiteralComment;
this.unescapedString = this.Substring(this.startPos, this.endPos - this.startPos);
return(Token.StartLiteralComment);
}
--this.endPos;
--this.endPos;
break;
case '[':
if ((int)this.GetChar(this.endPos + 1) == 67 && (int)this.GetChar(this.endPos + 2) == 68 && ((int)this.GetChar(this.endPos + 3) == 65 && (int)this.GetChar(this.endPos + 4) == 84) && ((int)this.GetChar(this.endPos + 5) == 65 && (int)this.GetChar(this.endPos + 6) == 91))
{
this.endPos += 7;
this.beginBlock = this.CurrentSourceContext;
this.state = Scanner.State.CData;
this.unescapedString = this.Substring(this.startPos, this.endPos - this.startPos);
return(Token.StartCharacterData);
}
this.unescapedString = this.Substring(this.startPos, this.endPos - this.startPos);
this.state = Scanner.State.Xml;
this.HandleError(SR.ExpectingToken, "CDATA[");
return(Token.IllegalCharacter);
default:
if (XmlCharType.IsStartNameChar(char3))
{
this.state = Scanner.State.Tag;
this.unescapedString = "<!";
if (this.mode != Scanner.State.InternalSubset)
{
this.mode = Scanner.State.DocType;
}
return(Token.MarkupDeclaration);
}
this.unescapedString = char3.ToString();
this.HandleError(SR.ExpectingToken, "DOCTYPE");
this.state = Scanner.State.Xml;
return(Token.IllegalCharacter);
}
break;
default:
if (!XmlCharType.IsStartNameChar(char2))
{
this.HandleError(SR.ExpectingTagName);
this.state = Scanner.State.Xml;
break;
}
this.unescapedString = "<";
this.state = Scanner.State.Tag;
break;
}
return(Token.StartOfTag);
case '=':
this.state = Scanner.State.Attributes;
this.unescapedString = "=";
return(Token.Assign);
case '>':
this.unescapedString = ">";
Token token7 = this.state == Scanner.State.EndTag ? Token.EndOfEndTag : Token.EndOfTag;
this.state = Scanner.State.Xml;
if (this.mode == Scanner.State.DocType)
{
this.mode = Scanner.State.Xml;
}
return(token7);
case '?':
if ((int)this.GetChar(this.endPos) == 62)
{
++this.endPos;
this.unescapedString = "?>";
this.state = Scanner.State.Xml;
return(Token.EndOfTag);
}
break;
case '[':
this.unescapedString = "[";
this.mode = Scanner.State.InternalSubset;
return(Token.LeftBracket);
case ']':
this.unescapedString = "]";
if ((int)this.GetChar(this.endPos) == 62)
{
this.unescapedString = "]";
this.state = Scanner.State.Tag;
this.mode = Scanner.State.Xml;
}
return(Token.RightBracket);
case '\'':
case '"':
this.LiteralQuoteChar = char1;
this.unescapedString = char1.ToString();
this.state = (int)char1 == 34 ? Scanner.State.StringLiteral1 : Scanner.State.StringLiteral2;
this.beginBlock = this.CurrentSourceContext;
return(Token.StartStringLiteral);
case '/':
if ((int)this.GetChar(this.endPos) != 62)
{
return(Token.StringLiteral);
}
this.unescapedString = "/>";
++this.endPos;
this.state = Scanner.State.Xml;
return(Token.EndOfSimpleTag);
case char.MinValue:
this.startPos = this.endPos;
return(Token.EndOfFile);
case '\t':
case '\n':
case '\r':
case ' ':
this.SkipWhitespace();
if (this.state != Scanner.State.EndTag)
{
this.state = Scanner.State.Attributes;
}
return(Token.Whitespace);
}
if (this.mode == Scanner.State.InternalSubset)
{
switch (char1)
{
case '#':
this.unescapedString = "#";
return(Token.Pound);
case '%':
this.unescapedString = "%";
return(Token.Percent);
case '(':
this.unescapedString = "(";
return(Token.LeftParen);
case ')':
this.unescapedString = ")";
return(Token.RightParen);
case '*':
this.unescapedString = "*";
return(Token.Star);
case '+':
this.unescapedString = "+";
return(Token.Plus);
case ',':
this.unescapedString = ",";
return(Token.Comma);
case '?':
this.unescapedString = "?";
return(Token.QuestionMark);
case '|':
this.unescapedString = "|";
return(Token.Or);
}
}
if (XmlCharType.IsNameChar(char1))
{
--this.endPos;
if (this.mode == Scanner.State.InternalSubset || this.mode == Scanner.State.DocType)
{
Token token8 = this.ScanKeyword();
if (token8 != Token.Identifier)
{
return(token8);
}
}
this.ScanName();
if (this.lastToken != Token.Colon)
{
this.isXslKeyword = this.IsXslKeyword();
}
return(Token.Identifier);
}
this.unescapedString = char1.ToString();
this.HandleError(SR.IllegalNameCharacter, new string[2]
{
char1.ToString(),
Convert.ToInt32(char1).ToString()
});
return(Token.IllegalCharacter);
}