bool IPostInlineProcessor.PostProcess(InlineProcessor state, Inline root, Inline lastChild, int postInlineProcessorIndex,
bool isFinalProcessing)
{
// Don't try to process anything if there are no dash
var quotePants = state.ParserStates[Index] as ListSmartyPants;
if (quotePants == null || !quotePants.HasDash)
{
return(true);
}
var child = root;
var pendingContainers = new Stack <Inline>();
while (true)
{
while (child != null)
{
var next = child.NextSibling;
if (child is LiteralInline)
{
var literal = (LiteralInline)child;
var startIndex = 0;
var indexOfDash = literal.Content.IndexOf("--", startIndex);
if (indexOfDash >= 0)
{
var type = SmartyPantType.Dash2;
if (literal.Content.PeekCharAbsolute(indexOfDash + 2) == '-')
{
type = SmartyPantType.Dash3;
}
var nextContent = literal.Content;
var originalSpan = literal.Span;
literal.Span.End -= literal.Content.End - indexOfDash + 1;
literal.Content.End = indexOfDash - 1;
nextContent.Start = indexOfDash + (type == SmartyPantType.Dash2 ? 2 : 3);
var pant = new SmartyPant()
{
Span = new SourceSpan(literal.Content.End + 1, nextContent.Start - 1),
Line = literal.Line,
Column = literal.Column,
OpeningCharacter = '-',
Type = type
};
literal.InsertAfter(pant);
var postLiteral = new LiteralInline()
{
Span = new SourceSpan(pant.Span.End + 1, originalSpan.End),
Line = literal.Line,
Column = literal.Column,
Content = nextContent
};
pant.InsertAfter(postLiteral);
// Use the pending literal to proceed further
next = postLiteral;
}
}
else if (child is ContainerInline)
{
pendingContainers.Push(((ContainerInline)child).FirstChild);
}
child = next;
}
if (pendingContainers.Count > 0)
{
child = pendingContainers.Pop();
}
else
{
break;
}
}
return(true);
}
public override bool Match(InlineProcessor processor, ref StringSlice slice)
{
// We are matching the following characters:
//
// ' ‘ ’ ‘ ’ 'left-single-quote', 'right-single-quote'
// '' “ ” “ ” 'left-double-quote', 'right-double-quote'
// " “ ” “ ” 'left-double-quote', 'right-double-quote'
// << >> « » « » 'left-angle-quote', 'right-angle-quote'
// ... … … 'ellipsis'
// Special case: – and — are handle as a PostProcess step to avoid conflicts with pipetables header separator row
// -- – – 'ndash'
// --- — — 'mdash'
var pc = slice.PeekCharExtra(-1);
var c = slice.CurrentChar;
var openingChar = c;
var startingPosition = slice.Start;
// undefined first
var type = (SmartyPantType)0;
switch (c)
{
case '\'':
type = SmartyPantType.Quote; // We will resolve them at the end of parsing all inlines
if (slice.PeekChar(1) == '\'')
{
slice.NextChar();
type = SmartyPantType.DoubleQuote; // We will resolve them at the end of parsing all inlines
}
break;
case '"':
type = SmartyPantType.DoubleQuote;
break;
case '<':
if (slice.NextChar() == '<')
{
type = SmartyPantType.LeftAngleQuote;
}
break;
case '>':
if (slice.NextChar() == '>')
{
type = SmartyPantType.RightAngleQuote;
}
break;
case '.':
if (slice.NextChar() == '.' && slice.NextChar() == '.')
{
type = SmartyPantType.Ellipsis;
}
break;
case '-':
if (slice.NextChar() == '-')
{
var quotePants = GetOrCreateState(processor);
quotePants.HasDash = true;
return(false);
}
break;
}
// If it is not matched, early exit
if (type == 0)
{
return(false);
}
// Skip char
c = slice.NextChar();
bool canOpen;
bool canClose;
CharHelper.CheckOpenCloseDelimiter(pc, c, false, out canOpen, out canClose);
bool postProcess = false;
switch (type)
{
case SmartyPantType.Quote:
postProcess = true;
if (canOpen && !canClose)
{
type = SmartyPantType.LeftQuote;
}
else if (!canOpen && canClose)
{
type = SmartyPantType.RightQuote;
}
else
{
return(false);
}
break;
case SmartyPantType.DoubleQuote:
postProcess = true;
if (canOpen && !canClose)
{
type = SmartyPantType.LeftDoubleQuote;
}
else if (!canOpen && canClose)
{
type = SmartyPantType.RightDoubleQuote;
}
else
{
return(false);
}
break;
case SmartyPantType.LeftAngleQuote:
postProcess = true;
if (!canOpen || canClose)
{
return(false);
}
break;
case SmartyPantType.RightAngleQuote:
postProcess = true;
if (canOpen || !canClose)
{
return(false);
}
break;
case SmartyPantType.Ellipsis:
if (canOpen || !canClose)
{
return(false);
}
break;
}
// Create the SmartyPant inline
int line;
int column;
var pant = new SmartyPant()
{
Span = { Start = processor.GetSourcePosition(startingPosition, out line, out column) },
Line = line,
Column = column,
OpeningCharacter = openingChar,
Type = type
};
pant.Span.End = pant.Span.Start + slice.Start - startingPosition - 1;
// We will check in a post-process step for balanced open/close quotes
if (postProcess)
{
var quotePants = GetOrCreateState(processor);
// Register only if we don't have yet any quotes
if (quotePants.Count == 0)
{
processor.Block.ProcessInlinesEnd += BlockOnProcessInlinesEnd;
}
quotePants.Add(pant);
}
processor.Inline = pant;
return(true);
}