private string AcceptTagName()
{
// Comments start as soon as the "!--" is read, so parsing until the first whitespace character (or the end of the tag) won't identify them properly.
if (Context.Peek("!--", caseSensitive: true))
{
Context.Expect("!--");
return("!--");
}
// Didn't return from above, so it's not a comment
return(Context.AcceptUntil(c => Char.IsWhiteSpace(c) || c == '/' || c == '>' || c == RazorParser.TransitionCharacter));
}
/// <summary>
/// Parses the modeltype statement.
/// </summary>
/// <param name="block">The code block.</param>
public bool ParseModelTypeStatement(CodeBlockInfo block)
{
Contract.Requires(block != null);
using (StartBlock(BlockType.Directive))
{
block.ResumeSpans(Context);
SourceLocation location = CurrentLocation;
bool readWhitespace = RequireSingleWhiteSpace();
End(MetaCodeSpan.Create(Context, false, readWhitespace ? AcceptedCharacters.None : AcceptedCharacters.Any));
if (_modelOrInheritsStatementFound)
{
OnError(location, "The modeltype or inherits keywords can only appear once.");
}
_modelOrInheritsStatementFound = true;
// Accept Whitespace up to the new line or non-whitespace character
Context.AcceptWhiteSpace(false);
string typeName = null;
if (ParserHelpers.IsIdentifierStart(CurrentCharacter))
{
using (Context.StartTemporaryBuffer())
{
Context.AcceptUntil(ParserHelpers.IsNewLine);
typeName = Context.ContentBuffer.ToString();
Context.AcceptTemporaryBuffer();
}
Context.AcceptNewLine();
}
else
{
OnError(location, "Expected model identifier.");
}
End(new ModelSpan(Context, typeName));
}
return(false);
}
private bool ParseModelStatement(CodeBlockInfo block)
{
using (StartBlock(BlockType.Directive)) {
block.ResumeSpans(Context);
SourceLocation endModelLocation = CurrentLocation;
bool readWhitespace = RequireSingleWhiteSpace();
End(MetaCodeSpan.Create(Context, hidden: false, acceptedCharacters: readWhitespace ? AcceptedCharacters.None : AcceptedCharacters.Any));
if (_modelStatementFound)
{
OnError(endModelLocation, String.Format(CultureInfo.CurrentCulture, MvcResources.MvcRazorCodeParser_OnlyOneModelStatementIsAllowed, ModelTypeKeyword));
}
_modelStatementFound = true;
// Accept Whitespace up to the new line or non-whitespace character
Context.AcceptWhiteSpace(includeNewLines: false);
string typeName = null;
if (ParserHelpers.IsIdentifierStart(CurrentCharacter))
{
using (Context.StartTemporaryBuffer()) {
Context.AcceptUntil(c => ParserHelpers.IsNewLine(c));
typeName = Context.ContentBuffer.ToString();
Context.AcceptTemporaryBuffer();
}
Context.AcceptNewLine();
}
else
{
OnError(endModelLocation, String.Format(CultureInfo.CurrentCulture, MvcResources.MvcRazorCodeParser_ModelKeywordMustBeFollowedByTypeName, ModelTypeKeyword));
}
CheckForInheritsAndModelStatements();
End(new ModelSpan(Context, typeName));
}
return(false);
}
protected void ParseComment()
{
using (StartBlock(BlockType.Comment)) {
SourceLocation startLocation = CurrentLocation;
Context.Expect(RazorParser.StartCommentSequence[0]);
End(TransitionSpan.Create(Context, hidden: false, acceptedCharacters: AcceptedCharacters.None));
Context.Expect(RazorParser.StartCommentSequence[1]);
End(MetaCodeSpan.Create(Context, hidden: false, acceptedCharacters: AcceptedCharacters.None));
bool inComment = true;
while (inComment && !EndOfFile)
{
Context.AcceptUntil(RazorParser.EndCommentSequence[0]);
if (Context.Peek(RazorParser.EndCommentSequence, caseSensitive: true))
{
inComment = false;
}
else
{
Context.AcceptCurrent();
}
}
End(CommentSpan.Create);
if (EndOfFile)
{
OnError(startLocation, RazorResources.ParseError_RazorComment_Not_Terminated);
}
else
{
Context.Expect(RazorParser.EndCommentSequence[0]);
End(MetaCodeSpan.Create(Context, hidden: false, acceptedCharacters: AcceptedCharacters.None));
Context.Expect(RazorParser.EndCommentSequence[1]);
End(TransitionSpan.Create(Context, hidden: false, acceptedCharacters: AcceptedCharacters.None));
}
}
}
/// <summary>
/// Parses the model statement.
/// </summary>
/// <param name="block">The code block.</param>
private bool ParseModelStatement(CodeBlockInfo block)
{
var location = CurrentLocation;
bool readWhiteSpace = RequireSingleWhiteSpace();
End(MetaCodeSpan.Create(Context, false, readWhiteSpace ? AcceptedCharacters.None : AcceptedCharacters.Any));
if (_modelOrInheritsStatementFound)
{
OnError(location, "The model or inherits keywords can only appear once.");
}
_modelOrInheritsStatementFound = true;
Context.AcceptWhiteSpace(false);
string typeName = null;
if (ParserHelpers.IsIdentifierStart(CurrentCharacter))
{
using (Context.StartTemporaryBuffer())
{
Context.AcceptUntil(ParserHelpers.IsNewLine);
typeName = Context.ContentBuffer.ToString();
Context.AcceptTemporaryBuffer();
}
Context.AcceptNewLine();
}
else
{
OnError(location, "Expected model identifier.");
}
End(new ModelSpan(Context, typeName));
return(false);
}
