public static bool IsNewLine(string value)
{
return((value.Length == 1 && (ParserHelpers.IsNewLine(value[0]))) ||
(String.Equals(value, "\r\n", StringComparison.Ordinal)));
}
private bool ParseTagBlock(bool inDocument)
{
// For tracking end tags
Stack <TagInfo> tags = new Stack <TagInfo>();
bool startedByPseudoTag = false;
bool?canGrow = null;
do
{
// Append until the next tag, processing code as we find it
AppendUntilAndParseCode(c => c == '<');
// Read the tag name in lookahead since we might not actually want to accept it
TagInfo tag = ParseStartOfTag();
// Special case for "<text>" tag as the first tag we've seen
if (IsPsuedoTagValidHere(inDocument, tags, startedByPseudoTag, tag))
{
if (!tag.IsEndTag)
{
startedByPseudoTag = true; // Set a flag to indicate that a </text> is a valid end tag
if (ParseStartPsuedoTag(tags, tag))
{
// Can't just do "canGrow = !ParseStartPsuedoTag(...)" because we can't canGrow to
// stay null if we get false from ParseStartPsuedoTag
canGrow = false;
}
}
else
{
ParseEndPsuedoTag(tags, tag, inDocument);
canGrow = false;
}
}
// It wasn't a "<text>" OR it was but it was within a block, so we don't do anything special
else
{
// We're at the '<'
Context.AcceptCurrent(); // "<"
if (tag.IsEndTag)
{
Context.AcceptCurrent(); // "/"
}
Context.AcceptCharacters(tag.Name.Length); // tag name
// Invalid tag name? Not a real tag
if (!String.IsNullOrEmpty(tag.Name))
{
// What kind of tag is it
bool?unterminated = null;
switch (tag.Name[0])
{
case '!':
unterminated = ParseBangTag(tag.Name);
break;
case '?':
unterminated = ParseProcessingInstruction();
break;
default:
if (tag.IsEndTag)
{
unterminated = ParseEndTag(tags, tag, inDocument);
}
else
{
unterminated = ParseStartTag(tags, tag);
}
break;
}
if (tags.Count == 0 && unterminated != null)
{
canGrow = unterminated.Value;
}
}
else
{
canGrow = true;
if (tags.Count == 0)
{
OnError(CurrentLocation, RazorResources.ParseError_OuterTagMissingName);
}
}
}
} while (!EndOfFile && tags.Count > 0);
if (canGrow == null)
{
canGrow = tags.Count > 0;
}
if (tags.Count > 0)
{
// Ended because of EOF, not matching close tag. Throw error for last tag
while (tags.Count > 1)
{
tags.Pop();
}
TagInfo tag = tags.Pop();
OnError(tag.Start, RazorResources.ParseError_MissingEndTag, tag.Name);
}
// Add the remaining whitespace (up to and including the next newline) to the token if run-time mode
if (!DesignTimeMode)
{
// Dev10 Bug 884969 - Emit space between markup and code
Context.AcceptWhiteSpace(includeNewLines: false);
if (Char.IsWhiteSpace(CurrentCharacter))
{
Context.AcceptLine(includeNewLineSequence: true);
}
}
else if (canGrow.Value)
{
Context.AcceptWhiteSpace(includeNewLines: false);
if (ParserHelpers.IsNewLine(CurrentCharacter))
{
Context.AcceptNewLine();
}
}
return(canGrow.Value);
}
public static bool IsIdentifierStart(char value)
{
return(value == '_' || ParserHelpers.IsLetter(value));
}