public static SpanConstructor Comment(this SpanFactory self, string content, HtmlSymbolType type)
{
return(self.Span(SpanKind.Comment, content, type));
}
public static SpanConstructor MarkupTransition(this SpanFactory self, string content, HtmlSymbolType type)
{
return self.Span(SpanKind.Transition, content, type).Accepts(AcceptedCharacters.None);
}
public static SpanConstructor MetaMarkup(this SpanFactory self, string content, HtmlSymbolType type)
{
return(self.Span(SpanKind.MetaCode, content, type));
}
public static SpanConstructor MetaMarkup(this SpanFactory self, string content, HtmlSymbolType type)
{
return self.Span(SpanKind.MetaCode, content, type);
}
public static SpanConstructor Comment(this SpanFactory self, string content, HtmlSymbolType type)
{
return self.Span(SpanKind.Comment, content, type);
}
private void AttributeValue(HtmlSymbolType quote)
{
var prefixStart = CurrentLocation;
var prefix = ReadWhile(sym => sym.Type == HtmlSymbolType.WhiteSpace || sym.Type == HtmlSymbolType.NewLine);
if (At(HtmlSymbolType.Transition))
{
if (NextIs(HtmlSymbolType.Transition))
{
// Wrapping this in a block so that the ConditionalAttributeCollapser doesn't rewrite it.
using (Context.StartBlock(BlockType.Markup))
{
Accept(prefix);
// Render a single "@" in place of "@@".
Span.ChunkGenerator = new LiteralAttributeChunkGenerator(
prefix.GetContent(prefixStart),
new LocationTagged <string>(CurrentSymbol.GetContent(), CurrentLocation));
AcceptAndMoveNext();
Output(SpanKind.Markup, AcceptedCharacters.None);
Span.ChunkGenerator = SpanChunkGenerator.Null;
AcceptAndMoveNext();
Output(SpanKind.Markup, AcceptedCharacters.None);
}
}
else
{
Accept(prefix);
var valueStart = CurrentLocation;
PutCurrentBack();
// Output the prefix but as a null-span. DynamicAttributeBlockChunkGenerator will render it
Span.ChunkGenerator = SpanChunkGenerator.Null;
// Dynamic value, start a new block and set the chunk generator
using (Context.StartBlock(BlockType.Markup))
{
Context.CurrentBlock.ChunkGenerator =
new DynamicAttributeBlockChunkGenerator(prefix.GetContent(prefixStart), valueStart);
OtherParserBlock();
}
}
}
else if (At(HtmlSymbolType.Text) &&
CurrentSymbol.Content.Length > 0 &&
CurrentSymbol.Content[0] == '~' &&
NextIs(HtmlSymbolType.ForwardSlash))
{
Accept(prefix);
// Virtual Path value
var valueStart = CurrentLocation;
VirtualPath();
Span.ChunkGenerator = new LiteralAttributeChunkGenerator(
prefix.GetContent(prefixStart),
new LocationTagged <SpanChunkGenerator>(new ResolveUrlChunkGenerator(), valueStart));
}
else
{
Accept(prefix);
// Literal value
// 'quote' should be "Unknown" if not quoted and symbols coming from the tokenizer should never have
// "Unknown" type.
var value = ReadWhile(sym =>
// These three conditions find separators which break the attribute value into portions
sym.Type != HtmlSymbolType.WhiteSpace &&
sym.Type != HtmlSymbolType.NewLine &&
sym.Type != HtmlSymbolType.Transition &&
// This condition checks for the end of the attribute value (it repeats some of the checks above
// but for now that's ok)
!IsEndOfAttributeValue(quote, sym));
Accept(value);
Span.ChunkGenerator = new LiteralAttributeChunkGenerator(
prefix.GetContent(prefixStart),
value.GetContent(prefixStart));
}
Output(SpanKind.Markup);
}
internal void TestSingleToken(string text, HtmlSymbolType expectedSymbolType)
{
TestTokenizer(text, new HtmlSymbol(text, expectedSymbolType));
}
private void AttributeValue(HtmlSymbolType quote)
{
var prefixStart = CurrentLocation;
var prefix = ReadWhile(sym => sym.Type == HtmlSymbolType.WhiteSpace || sym.Type == HtmlSymbolType.NewLine);
if (At(HtmlSymbolType.Transition))
{
if (NextIs(HtmlSymbolType.Transition))
{
// Wrapping this in a block so that the ConditionalAttributeCollapser doesn't rewrite it.
using (Context.StartBlock(BlockType.Markup))
{
Accept(prefix);
// Render a single "@" in place of "@@".
Span.ChunkGenerator = new LiteralAttributeChunkGenerator(
prefix.GetContent(prefixStart),
new LocationTagged<string>(CurrentSymbol.GetContent(), CurrentLocation));
AcceptAndMoveNext();
Output(SpanKind.Markup, AcceptedCharacters.None);
Span.ChunkGenerator = SpanChunkGenerator.Null;
AcceptAndMoveNext();
Output(SpanKind.Markup, AcceptedCharacters.None);
}
}
else
{
Accept(prefix);
var valueStart = CurrentLocation;
PutCurrentBack();
// Output the prefix but as a null-span. DynamicAttributeBlockChunkGenerator will render it
Span.ChunkGenerator = SpanChunkGenerator.Null;
// Dynamic value, start a new block and set the chunk generator
using (Context.StartBlock(BlockType.Markup))
{
Context.CurrentBlock.ChunkGenerator =
new DynamicAttributeBlockChunkGenerator(prefix.GetContent(prefixStart), valueStart);
OtherParserBlock();
}
}
}
else
{
Accept(prefix);
// Literal value
// 'quote' should be "Unknown" if not quoted and symbols coming from the tokenizer should never have
// "Unknown" type.
var value = ReadWhile(sym =>
// These three conditions find separators which break the attribute value into portions
sym.Type != HtmlSymbolType.WhiteSpace &&
sym.Type != HtmlSymbolType.NewLine &&
sym.Type != HtmlSymbolType.Transition &&
// This condition checks for the end of the attribute value (it repeats some of the checks above
// but for now that's ok)
!IsEndOfAttributeValue(quote, sym));
Accept(value);
Span.ChunkGenerator = new LiteralAttributeChunkGenerator(
prefix.GetContent(prefixStart),
value.GetContent(prefixStart));
}
Output(SpanKind.Markup);
}
private bool IsEndOfAttributeValue(HtmlSymbolType quote, HtmlSymbol sym)
{
return EndOfFile || sym == null ||
(quote != HtmlSymbolType.Unknown
? sym.Type == quote // If quoted, just wait for the quote
: IsUnquotedEndOfAttributeValue(sym));
}
private void AttributeValue(HtmlSymbolType quote)
{
SourceLocation prefixStart = CurrentLocation;
var prefix = ReadWhile(sym => sym.Type == HtmlSymbolType.WhiteSpace || sym.Type == HtmlSymbolType.NewLine);
Accept(prefix);
if (At(HtmlSymbolType.Transition))
{
SourceLocation valueStart = CurrentLocation;
PutCurrentBack();
// Output the prefix but as a null-span. DynamicAttributeBlockCodeGenerator will render it
Span.CodeGenerator = SpanCodeGenerator.Null;
// Dynamic value, start a new block and set the code generator
using (Context.StartBlock(BlockType.Markup))
{
Context.CurrentBlock.CodeGenerator = new DynamicAttributeBlockCodeGenerator(prefix.GetContent(prefixStart), valueStart);
OtherParserBlock();
}
}
else if (At(HtmlSymbolType.Text) && CurrentSymbol.Content.Length > 0 && CurrentSymbol.Content[0] == '~' && NextIs(HtmlSymbolType.Solidus))
{
// Virtual Path value
SourceLocation valueStart = CurrentLocation;
VirtualPath();
Span.CodeGenerator = new LiteralAttributeCodeGenerator(
prefix.GetContent(prefixStart),
new LocationTagged<SpanCodeGenerator>(new ResolveUrlCodeGenerator(), valueStart));
}
else
{
// Literal value
// 'quote' should be "Unknown" if not quoted and symbols coming from the tokenizer should never have "Unknown" type.
var value = ReadWhile(sym =>
// These three conditions find separators which break the attribute value into portions
sym.Type != HtmlSymbolType.WhiteSpace &&
sym.Type != HtmlSymbolType.NewLine &&
sym.Type != HtmlSymbolType.Transition &&
// This condition checks for the end of the attribute value (it repeats some of the checks above but for now that's ok)
!IsEndOfAttributeValue(quote, sym));
Accept(value);
Span.CodeGenerator = new LiteralAttributeCodeGenerator(prefix.GetContent(prefixStart), value.GetContent(prefixStart));
}
Output(SpanKind.Markup);
}
private void AttributePrefix(IEnumerable <HtmlSymbol> whitespace, IEnumerable <HtmlSymbol> nameSymbols)
{
// First, determine if this is a 'data-' attribute (since those can't use conditional attributes)
LocationTagged <string> name = nameSymbols.GetContent(Span.Start);
bool attributeCanBeConditional = !name.Value.StartsWith("data-", StringComparison.OrdinalIgnoreCase);
// Accept the whitespace and name
Accept(whitespace);
Accept(nameSymbols);
Assert(HtmlSymbolType.Equals); // We should be at "="
AcceptAndMoveNext();
HtmlSymbolType quote = HtmlSymbolType.Unknown;
if (At(HtmlSymbolType.SingleQuote) || At(HtmlSymbolType.DoubleQuote))
{
quote = CurrentSymbol.Type;
AcceptAndMoveNext();
}
// We now have the prefix: (i.e. ' foo="')
LocationTagged <string> prefix = Span.GetContent();
if (attributeCanBeConditional)
{
Span.CodeGenerator = SpanCodeGenerator.Null; // The block code generator will render the prefix
Output(SpanKind.Markup);
// Read the values
while (!EndOfFile && !IsEndOfAttributeValue(quote, CurrentSymbol))
{
AttributeValue(quote);
}
// Capture the suffix
LocationTagged <string> suffix = new LocationTagged <string>(String.Empty, CurrentLocation);
if (quote != HtmlSymbolType.Unknown && At(quote))
{
suffix = CurrentSymbol.GetContent();
AcceptAndMoveNext();
}
if (Span.Symbols.Count > 0)
{
Span.CodeGenerator = SpanCodeGenerator.Null; // Again, block code generator will render the suffix
Output(SpanKind.Markup);
}
// Create the block code generator
Context.CurrentBlock.CodeGenerator = new AttributeBlockCodeGenerator(
name, prefix, suffix);
}
else
{
// Not a "conditional" attribute, so just read the value
SkipToAndParseCode(sym => IsEndOfAttributeValue(quote, sym));
if (quote != HtmlSymbolType.Unknown)
{
Optional(quote);
}
Output(SpanKind.Markup);
}
}
public static SpanConstructor MarkupTransition(this SpanFactory self, HtmlSymbolType type)
{
return(self
.Span(SpanKindInternal.Transition, SyntaxConstants.TransitionString, type)
.Accepts(AcceptedCharactersInternal.None));
}
public SpanConstructor Span(SpanKindInternal kind, string content, HtmlSymbolType type)
{
return(CreateSymbolSpan(kind, content, () => new HtmlSymbol(content, type)));
}
/// <summary>
/// Converts the generic <see cref="IEnumerable{ISymbol}"/> to a <see cref="IEnumerable{HtmlSymbol}"/> and
/// finds the first <see cref="HtmlSymbol"/> with type <paramref name="type"/>.
/// </summary>
/// <param name="symbols">The <see cref="IEnumerable{ISymbol}"/> instance this method extends.</param>
/// <param name="type">The <see cref="HtmlSymbolType"/> to search for.</param>
/// <returns>The first <see cref="HtmlSymbol"/> of type <paramref name="type"/>.</returns>
public static HtmlSymbol FirstHtmlSymbolAs(this IEnumerable<ISymbol> symbols, HtmlSymbolType type)
{
return symbols.OfType<HtmlSymbol>().FirstOrDefault(sym => (type & sym.Type) == sym.Type);
}
public SpanConstructor Span(SpanKind kind, string content, HtmlSymbolType type)
{
return(CreateSymbolSpan(kind, content, st => new HtmlSymbol(st, content, type)));
}
private void ParseQuoted(HtmlSymbolType type)
{
SkipToAndParseCode(type);
if (!EndOfFile)
{
Assert(type);
AcceptAndMoveNext();
}
}
public static SpanConstructor MarkupTransition(this SpanFactory self, string content, HtmlSymbolType type)
{
return(self.Span(SpanKind.Transition, content, type).Accepts(AcceptedCharacters.None));
}
/// <summary>
/// Converts the generic <see cref="IEnumerable{ISymbol}"/> to a <see cref="IEnumerable{HtmlSymbol}"/> and
/// finds the first <see cref="HtmlSymbol"/> with type <paramref name="type"/>.
/// </summary>
/// <param name="symbols">The <see cref="IEnumerable{ISymbol}"/> instance this method extends.</param>
/// <param name="type">The <see cref="HtmlSymbolType"/> to search for.</param>
/// <returns>The first <see cref="HtmlSymbol"/> of type <paramref name="type"/>.</returns>
public static HtmlSymbol FirstHtmlSymbolAs(this IEnumerable <ISymbol> symbols, HtmlSymbolType type)
{
return(symbols.OfType <HtmlSymbol>().FirstOrDefault(sym => (type & sym.Type) == sym.Type));
}
public SpanConstructor Span(SpanKind kind, string content, HtmlSymbolType type)
{
return CreateSymbolSpan(kind, content, st => new HtmlSymbol(st, content, type));
}
private void AttributeValue(HtmlSymbolType quote)
{
SourceLocation prefixStart = CurrentLocation;
var prefix = ReadWhile(
sym => sym.Type == HtmlSymbolType.WhiteSpace || sym.Type == HtmlSymbolType.NewLine
);
Accept(prefix);
if (At(HtmlSymbolType.Transition))
{
SourceLocation valueStart = CurrentLocation;
PutCurrentBack();
// Output the prefix but as a null-span. DynamicAttributeBlockCodeGenerator will render it
Span.CodeGenerator = SpanCodeGenerator.Null;
// Dynamic value, start a new block and set the code generator
using (Context.StartBlock(BlockType.Markup))
{
Context.CurrentBlock.CodeGenerator = new DynamicAttributeBlockCodeGenerator(
prefix.GetContent(prefixStart),
valueStart
);
OtherParserBlock();
}
}
else if (
At(HtmlSymbolType.Text) &&
CurrentSymbol.Content.Length > 0 &&
CurrentSymbol.Content[0] == '~' &&
NextIs(HtmlSymbolType.Solidus)
)
{
// Virtual Path value
SourceLocation valueStart = CurrentLocation;
VirtualPath();
Span.CodeGenerator = new LiteralAttributeCodeGenerator(
prefix.GetContent(prefixStart),
new LocationTagged <SpanCodeGenerator>(new ResolveUrlCodeGenerator(), valueStart)
);
}
else
{
// Literal value
// 'quote' should be "Unknown" if not quoted and symbols coming from the tokenizer should never have "Unknown" type.
var value = ReadWhile(
sym =>
// These three conditions find separators which break the attribute value into portions
sym.Type != HtmlSymbolType.WhiteSpace &&
sym.Type != HtmlSymbolType.NewLine &&
sym.Type != HtmlSymbolType.Transition
&&
// This condition checks for the end of the attribute value (it repeats some of the checks above but for now that's ok)
!IsEndOfAttributeValue(quote, sym)
);
Accept(value);
Span.CodeGenerator = new LiteralAttributeCodeGenerator(
prefix.GetContent(prefixStart),
value.GetContent(prefixStart)
);
}
Output(SpanKind.Markup);
}
