private bool ProcessLinkReference(InlineProcessor state, string label, SourceSpan labelSpan, LinkDelimiterInline parent, int endPosition)
{
bool isValidLink = false;
LinkReferenceDefinition linkRef;
if (state.Document.TryGetLinkReferenceDefinition(label, out linkRef))
{
Inline link = null;
// Try to use a callback directly defined on the LinkReferenceDefinition
if (linkRef.CreateLinkInline != null)
{
link = linkRef.CreateLinkInline(state, linkRef, parent.FirstChild);
}
// Create a default link if the callback was not found
if (link == null)
{
// Inline Link
link = new LinkInline()
{
Url = HtmlHelper.Unescape(linkRef.Url),
Title = HtmlHelper.Unescape(linkRef.Title),
Label = label,
LabelSpan = labelSpan,
IsImage = parent.IsImage,
Reference = linkRef,
Span = new SourceSpan(parent.Span.Start, endPosition),
Line = parent.Line,
Column = parent.Column,
};
}
var containerLink = link as ContainerInline;
if (containerLink != null)
{
var child = parent.FirstChild;
if (child == null)
{
child = new LiteralInline()
{
Content = new StringSlice(label),
IsClosed = true,
// Not exact but we leave it like this
Span = parent.Span,
Line = parent.Line,
Column = parent.Column,
};
containerLink.AppendChild(child);
}
else
{
// Insert all child into the link
while (child != null)
{
var next = child.NextSibling;
child.Remove();
containerLink.AppendChild(child);
child = next;
}
}
}
link.IsClosed = true;
// Process emphasis delimiters
state.PostProcessInlines(0, link, null, false);
state.Inline = link;
isValidLink = true;
}
//else
//{
// // Else output a literal, leave it opened as we may have literals after
// // that could be append to this one
// var literal = new LiteralInline()
// {
// ContentBuilder = processor.StringBuilders.Get().Append('[').Append(label).Append(']')
// };
// processor.Inline = literal;
//}
return(isValidLink);
}
private bool TryProcessLinkOrImage(InlineProcessor inlineState, ref StringSlice text)
{
LinkDelimiterInline openParent = null;
foreach (var parent in inlineState.Inline.FindParentOfType <LinkDelimiterInline>())
{
openParent = parent;
break;
}
if (openParent != null)
{
// If we do find one, but it’s not active,
// we remove the inactive delimiter from the stack,
// and return a literal text node ].
if (!openParent.IsActive)
{
inlineState.Inline = new LiteralInline()
{
Content = new StringSlice("["),
Span = openParent.Span,
Line = openParent.Line,
Column = openParent.Column,
};
openParent.ReplaceBy(inlineState.Inline);
return(false);
}
// If we find one and it’s active,
// then we parse ahead to see if we have
// an inline link/image, reference link/image,
// compact reference link/image,
// or shortcut reference link/image
var parentDelimiter = openParent.Parent;
switch (text.CurrentChar)
{
case '(':
string url;
string title;
SourceSpan linkSpan;
SourceSpan titleSpan;
if (LinkHelper.TryParseInlineLink(ref text, out url, out title, out linkSpan, out titleSpan))
{
// Inline Link
var link = new LinkInline()
{
Url = HtmlHelper.Unescape(url),
Title = HtmlHelper.Unescape(title),
IsImage = openParent.IsImage,
LabelSpan = openParent.LabelSpan,
UrlSpan = inlineState.GetSourcePositionFromLocalSpan(linkSpan),
TitleSpan = inlineState.GetSourcePositionFromLocalSpan(titleSpan),
Span = new SourceSpan(openParent.Span.Start, inlineState.GetSourcePosition(text.Start - 1)),
Line = openParent.Line,
Column = openParent.Column,
};
openParent.ReplaceBy(link);
// Notifies processor as we are creating an inline locally
inlineState.Inline = link;
// Process emphasis delimiters
inlineState.PostProcessInlines(0, link, null, false);
// If we have a link (and not an image),
// we also set all [ delimiters before the opening delimiter to inactive.
// (This will prevent us from getting links within links.)
if (!openParent.IsImage)
{
MarkParentAsInactive(parentDelimiter);
}
link.IsClosed = true;
return(true);
}
break;
default:
var labelSpan = SourceSpan.Empty;
string label = null;
bool isLabelSpanLocal = true;
// Handle Collapsed links
if (text.CurrentChar == '[')
{
if (text.PeekChar(1) == ']')
{
label = openParent.Label;
labelSpan = openParent.LabelSpan;
isLabelSpanLocal = false;
text.NextChar(); // Skip [
text.NextChar(); // Skip ]
}
}
else
{
label = openParent.Label;
}
if (label != null || LinkHelper.TryParseLabel(ref text, true, out label, out labelSpan))
{
if (isLabelSpanLocal)
{
labelSpan = inlineState.GetSourcePositionFromLocalSpan(labelSpan);
}
if (ProcessLinkReference(inlineState, label, labelSpan, openParent, inlineState.GetSourcePosition(text.Start - 1)))
{
// Remove the open parent
openParent.Remove();
if (!openParent.IsImage)
{
MarkParentAsInactive(parentDelimiter);
}
}
else
{
return(false);
}
return(true);
}
break;
}
// We have a nested [ ]
// firstParent.Remove();
// The opening [ will be transformed to a literal followed by all the childrens of the [
var literal = new LiteralInline()
{
Span = openParent.Span,
Content = new StringSlice(openParent.IsImage ? "![" : "[")
};
inlineState.Inline = openParent.ReplaceBy(literal);
return(false);
}
return(false);
}
private bool ProcessLinkReference(InlineProcessor state, string label, bool isShortcut, SourceSpan labelSpan, LinkDelimiterInline parent, int endPosition)
{
if (!state.Document.TryGetLinkReferenceDefinition(label, out LinkReferenceDefinition linkRef))
{
return(false);
}
Inline link = null;
// Try to use a callback directly defined on the LinkReferenceDefinition
if (linkRef.CreateLinkInline != null)
{
link = linkRef.CreateLinkInline(state, linkRef, parent.FirstChild);
}
// Create a default link if the callback was not found
if (link == null)
{
// Inline Link
link = new LinkInline()
{
Url = HtmlHelper.Unescape(linkRef.Url),
Title = HtmlHelper.Unescape(linkRef.Title),
Label = label,
LabelSpan = labelSpan,
UrlSpan = linkRef.UrlSpan,
IsImage = parent.IsImage,
IsShortcut = isShortcut,
Reference = linkRef,
Span = new SourceSpan(parent.Span.Start, endPosition),
Line = parent.Line,
Column = parent.Column,
};
}
if (link is ContainerInline containerLink)
{
var child = parent.FirstChild;
if (child == null)
{
child = new LiteralInline()
{
Content = StringSlice.Empty,
IsClosed = true,
// Not exact but we leave it like this
Span = parent.Span,
Line = parent.Line,
Column = parent.Column,
};
containerLink.AppendChild(child);
}
else
{
// Insert all child into the link
while (child != null)
{
var next = child.NextSibling;
child.Remove();
containerLink.AppendChild(child);
child = next;
}
}
}
link.IsClosed = true;
// Process emphasis delimiters
state.PostProcessInlines(0, link, null, false);
state.Inline = link;
return(true);
}
public bool PostProcess(InlineProcessor state, Inline root, Inline lastChild, int postInlineProcessorIndex, bool isFinalProcessing)
{
var container = root as ContainerInline;
var tableState = state.ParserStates[Index] as TableState;
// If the delimiters are being processed by an image link, we need to transform them back to literals
if (!isFinalProcessing)
{
if (container == null || tableState == null)
{
return(true);
}
var child = container.LastChild;
List <PipeTableDelimiterInline> delimitersToRemove = null;
while (child != null)
{
var pipeDelimiter = child as PipeTableDelimiterInline;
if (pipeDelimiter != null)
{
if (delimitersToRemove == null)
{
delimitersToRemove = new List <PipeTableDelimiterInline>();
}
delimitersToRemove.Add(pipeDelimiter);
}
if (child == lastChild)
{
break;
}
var subContainer = child as ContainerInline;
child = subContainer?.LastChild;
}
// If we have found any delimiters, transform them to literals
if (delimitersToRemove != null)
{
bool leftIsDelimiter = false;
bool rightIsDelimiter = false;
for (int i = 0; i < delimitersToRemove.Count; i++)
{
var pipeDelimiter = delimitersToRemove[i];
pipeDelimiter.ReplaceByLiteral();
// Check that the pipe that is being removed is not going to make a line without pipe delimiters
var tableDelimiters = tableState.ColumnAndLineDelimiters;
var delimiterIndex = tableDelimiters.IndexOf(pipeDelimiter);
if (i == 0)
{
leftIsDelimiter = delimiterIndex > 0 && tableDelimiters[delimiterIndex - 1] is PipeTableDelimiterInline;
}
else if (i + 1 == delimitersToRemove.Count)
{
rightIsDelimiter = delimiterIndex + 1 < tableDelimiters.Count &&
tableDelimiters[delimiterIndex + 1] is PipeTableDelimiterInline;
}
// Remove this delimiter from the table processor
tableState.ColumnAndLineDelimiters.Remove(pipeDelimiter);
}
// If we didn't have any delimiter before and after the delimiters we jsut removed, we mark the processor of the current line as no pipe
if (!leftIsDelimiter && !rightIsDelimiter)
{
tableState.LineHasPipe = false;
}
}
return(true);
}
// Remove previous state
state.ParserStates[Index] = null;
// Continue
if (tableState == null || container == null || tableState.IsInvalidTable || !tableState.LineHasPipe) //|| tableState.LineIndex != state.LocalLineIndex)
{
return(true);
}
// Detect the header row
var delimiters = tableState.ColumnAndLineDelimiters;
// TODO: we could optimize this by merging FindHeaderRow and the cell loop
var aligns = FindHeaderRow(delimiters);
if (Options.RequireHeaderSeparator && aligns == null)
{
return(true);
}
var table = new Table();
// If the current paragraph block has any attributes attached, we can copy them
var attributes = state.Block.TryGetAttributes();
if (attributes != null)
{
attributes.CopyTo(table.GetAttributes());
}
state.BlockNew = table;
var cells = tableState.Cells;
cells.Clear();
//delimiters[0].DumpTo(state.DebugLog);
// delimiters contain a list of `|` and `\n` delimiters
// The `|` delimiters are created as child containers.
// So the following:
// | a | b \n
// | d | e \n
//
// Will generate a tree of the following node:
// |
// a
// |
// b
// \n
// |
// d
// |
// e
// \n
// When parsing delimiters, we need to recover whether a row is of the following form:
// 0) | a | b | \n
// 1) | a | b \n
// 2) a | b \n
// 3) a | b | \n
// If the last element is not a line break, add a line break to homogenize parsing in the next loop
var lastElement = delimiters[delimiters.Count - 1];
if (!(lastElement is LineBreakInline))
{
while (true)
{
if (lastElement is ContainerInline)
{
var nextElement = ((ContainerInline)lastElement).LastChild;
if (nextElement != null)
{
lastElement = nextElement;
continue;
}
}
break;
}
var endOfTable = new LineBreakInline();
lastElement.InsertAfter(endOfTable);
delimiters.Add(endOfTable);
tableState.EndOfLines.Add(endOfTable);
}
// Cell loop
// Reconstruct the table from the delimiters
TableRow row = null;
TableRow firstRow = null;
for (int i = 0; i < delimiters.Count; i++)
{
var delimiter = delimiters[i];
var pipeSeparator = delimiter as PipeTableDelimiterInline;
var isLine = delimiter is LineBreakInline;
if (row == null)
{
row = new TableRow();
if (firstRow == null)
{
firstRow = row;
}
// If the first delimiter is a pipe and doesn't have any parent or previous sibling, for cases like:
// 0) | a | b | \n
// 1) | a | b \n
if (pipeSeparator != null && (delimiter.PreviousSibling == null || delimiter.PreviousSibling is LineBreakInline))
{
delimiter.Remove();
continue;
}
}
// We need to find the beginning/ending of a cell from a right delimiter. From the delimiter 'x', we need to find a (without the delimiter start `|`)
// So we iterate back to the first pipe or line break
// x
// 1) | a | b \n
// 2) a | b \n
Inline endOfCell = null;
Inline beginOfCell = null;
var cellContentIt = delimiter;
while (true)
{
cellContentIt = cellContentIt.PreviousSibling ?? cellContentIt.Parent;
if (cellContentIt == null || cellContentIt is LineBreakInline)
{
break;
}
// The cell begins at the first effective child after a | or the top ContainerInline (which is not necessary to bring into the tree + it contains an invalid span calculation)
if (cellContentIt is PipeTableDelimiterInline || (cellContentIt.GetType() == typeof(ContainerInline) && cellContentIt.Parent == null))
{
beginOfCell = ((ContainerInline)cellContentIt).FirstChild;
if (endOfCell == null)
{
endOfCell = beginOfCell;
}
break;
}
beginOfCell = cellContentIt;
if (endOfCell == null)
{
endOfCell = beginOfCell;
}
}
// If the current deilimiter is a pipe `|` OR
// the beginOfCell/endOfCell are not null and
// either they are :
// - different
// - they contain a single element, but it is not a line break (\n) or an empty/whitespace Literal.
// Then we can add a cell to the current row
if (!isLine || (beginOfCell != null && endOfCell != null && (beginOfCell != endOfCell || !(beginOfCell is LineBreakInline || (beginOfCell is LiteralInline && ((LiteralInline)beginOfCell).Content.IsEmptyOrWhitespace())))))
{
if (!isLine)
{
// If the delimiter is a pipe, we need to remove it from the tree
// so that previous loop looking for a parent will not go further on subsequent cells
delimiter.Remove();
}
// We trim whitespace at the beginning and ending of the cell
TrimStart(beginOfCell);
TrimEnd(endOfCell);
var cellContainer = new ContainerInline();
// Copy elements from beginOfCell on the first level
var cellIt = beginOfCell;
while (cellIt != null && !IsLine(cellIt) && !(cellIt is PipeTableDelimiterInline))
{
var nextSibling = cellIt.NextSibling;
cellIt.Remove();
if (cellContainer.Span.IsEmpty)
{
cellContainer.Line = cellIt.Line;
cellContainer.Column = cellIt.Column;
cellContainer.Span = cellIt.Span;
}
cellContainer.AppendChild(cellIt);
cellContainer.Span.End = cellIt.Span.End;
cellIt = nextSibling;
}
// Create the cell and add it to the pending row
var tableParagraph = new ParagraphBlock()
{
Span = cellContainer.Span,
Line = cellContainer.Line,
Column = cellContainer.Column,
Inline = cellContainer
};
var tableCell = new TableCell()
{
Span = cellContainer.Span,
Line = cellContainer.Line,
Column = cellContainer.Column,
};
tableCell.Add(tableParagraph);
if (row.Span.IsEmpty)
{
row.Span = cellContainer.Span;
row.Line = cellContainer.Line;
row.Column = cellContainer.Column;
}
row.Add(tableCell);
cells.Add(tableCell);
}
// If we have a new line, we can add the row
if (isLine)
{
Debug.Assert(row != null);
if (table.Span.IsEmpty)
{
table.Span = row.Span;
table.Line = row.Line;
table.Column = row.Column;
}
table.Add(row);
row = null;
}
}
// Once we are done with the cells, we can remove all end of lines in the table tree
foreach (var endOfLine in tableState.EndOfLines)
{
endOfLine.Remove();
}
// If we have a header row, we can remove it
// TODO: we could optimize this by merging FindHeaderRow and the previous loop
if (aligns != null)
{
table.RemoveAt(1);
var tableRow = (TableRow)table[0];
table.ColumnDefinitions.AddRange(aligns);
tableRow.IsHeader = true;
}
// Perform delimiter processor that are coming after this processor
foreach (var cell in cells)
{
var paragraph = (ParagraphBlock)cell[0];
state.PostProcessInlines(postInlineProcessorIndex + 1, paragraph.Inline, null, true);
}
// Clear cells when we are done
cells.Clear();
// We don't want to continue procesing delimiters, as we are already processing them here
return(false);
}
public bool PostProcess(InlineProcessor state, Inline root, Inline lastChild, int postInlineProcessorIndex, bool isFinalProcessing)
{
var container = root as ContainerInline;
var tableState = state.ParserStates[Index] as TableState;
// If the delimiters are being processed by an image link, we need to transform them back to literals
if (!isFinalProcessing)
{
if (container == null || tableState == null)
{
return(true);
}
var child = container.LastChild;
List <PiprTableDelimiterInline> delimitersToRemove = null;
while (child != null)
{
var pipeDelimiter = child as PiprTableDelimiterInline;
if (pipeDelimiter != null)
{
if (delimitersToRemove == null)
{
delimitersToRemove = new List <PiprTableDelimiterInline>();
}
delimitersToRemove.Add(pipeDelimiter);
}
if (child == lastChild)
{
break;
}
var subContainer = child as ContainerInline;
child = subContainer?.LastChild;
}
// If we have found any delimiters, transform them to literals
if (delimitersToRemove != null)
{
bool leftIsDelimiter = false;
bool rightIsDelimiter = false;
for (int i = 0; i < delimitersToRemove.Count; i++)
{
var pipeDelimiter = delimitersToRemove[i];
var literalInline = new LiteralInline()
{
Content = new StringSlice("|"), IsClosed = true
};
pipeDelimiter.ReplaceBy(literalInline);
// Check that the pipe that is being removed is not going to make a line without pipe delimiters
var tableDelimiters = tableState.ColumnAndLineDelimiters;
var delimiterIndex = tableDelimiters.IndexOf(pipeDelimiter);
if (i == 0)
{
leftIsDelimiter = delimiterIndex > 0 && tableDelimiters[delimiterIndex - 1] is PiprTableDelimiterInline;
}
else if (i + 1 == delimitersToRemove.Count)
{
rightIsDelimiter = delimiterIndex + 1 < tableDelimiters.Count &&
tableDelimiters[delimiterIndex + 1] is PiprTableDelimiterInline;
}
// Remove this delimiter from the table processor
tableState.ColumnAndLineDelimiters.Remove(pipeDelimiter);
}
// If we didn't have any delimiter before and after the delimiters we jsut removed, we mark the processor of the current line as no pipe
if (!leftIsDelimiter && !rightIsDelimiter)
{
tableState.LineHasPipe = false;
}
}
return(true);
}
// Continue
if (tableState == null || container == null || tableState.IsInvalidTable || !tableState.LineHasPipe) //|| tableState.LineIndex != state.LocalLineIndex)
{
return(true);
}
var delimiters = tableState.ColumnAndLineDelimiters;
delimiters.Add(null);
var aligns = FindHeaderRow(delimiters);
if (Options.RequireHeaderSeparator && aligns == null)
{
return(true);
}
var table = new Table();
// If the current paragraph block has any attributes attached, we can copy them
var attributes = state.Block.TryGetAttributes();
if (attributes != null)
{
attributes.CopyTo(table.GetAttributes());
}
state.BlockNew = table;
TableRow firstRow = null;
int maxColumn = 0;
var cells = tableState.Cells;
cells.Clear();
Inline column = container.FirstChild;
if (column is PiprTableDelimiterInline)
{
column = ((PiprTableDelimiterInline)column).FirstChild;
}
// TODO: This is not accurate for the table
table.Span.Start = column.Span.Start;
table.Span.End = column.Span.End;
table.Line = column.Line;
table.Column = column.Column;
int lastIndex = 0;
for (int i = 0; i < delimiters.Count; i++)
{
var delimiter = delimiters[i];
if (delimiter == null || IsLine(delimiter))
{
var beforeDelimiter = delimiter?.PreviousSibling;
var nextLineColumn = delimiter?.NextSibling;
TableRow row = null;
for (int j = lastIndex; j <= i; j++)
{
var columnSeparator = delimiters[j];
var pipeSeparator = columnSeparator as PiprTableDelimiterInline;
var endOfColumn = columnSeparator?.PreviousSibling;
// This is the first column empty
if (j == lastIndex && pipeSeparator != null && endOfColumn == null)
{
columnSeparator.Remove();
column = pipeSeparator.FirstChild;
continue;
}
if (pipeSeparator != null && IsTrailingColumnDelimiter(pipeSeparator))
{
TrimEnd(endOfColumn);
columnSeparator.Remove();
continue;
}
var cellContainer = new ContainerInline();
var item = column;
var isFirstItem = true;
TrimStart(item);
while (item != null && !IsLine(item) && !(item is PiprTableDelimiterInline))
{
var nextSibling = item.NextSibling;
item.Remove();
cellContainer.AppendChild(item);
if (isFirstItem)
{
cellContainer.Line = item.Line;
cellContainer.Column = item.Column;
cellContainer.Span.Start = item.Span.Start;
isFirstItem = false;
}
cellContainer.Span.End = item.Span.End;
item = nextSibling;
}
var tableParagraph = new ParagraphBlock()
{
Span = cellContainer.Span,
Line = cellContainer.Line,
Column = cellContainer.Column,
Inline = cellContainer
};
var tableCell = new TableCell()
{
Span = cellContainer.Span,
Line = cellContainer.Line,
Column = cellContainer.Column,
};
tableCell.Add(tableParagraph);
if (row == null)
{
row = new TableRow()
{
Span = cellContainer.Span,
Line = cellContainer.Line,
Column = cellContainer.Column,
};
}
row.Add(tableCell);
cells.Add(tableCell);
// If we have reached the end, we can add remaining delimiters as pure child of the current cell
if (row.Count == maxColumn && columnSeparator is PiprTableDelimiterInline)
{
columnSeparator.Remove();
tableParagraph.Inline.AppendChild(columnSeparator);
break;
}
TrimEnd(endOfColumn);
//TrimEnd(previousSibling);
if (columnSeparator != null)
{
if (pipeSeparator != null)
{
column = pipeSeparator.FirstChild;
}
columnSeparator.Remove();
}
}
if (row != null)
{
table.Add(row);
}
TrimEnd(beforeDelimiter);
if (delimiter != null)
{
delimiter.Remove();
}
if (nextLineColumn != null)
{
column = nextLineColumn;
}
if (firstRow == null)
{
firstRow = row;
maxColumn = firstRow.Count;
}
lastIndex = i + 1;
}
}
// If we have a header row, we can remove it
if (aligns != null)
{
table.RemoveAt(1);
var tableRow = (TableRow)table[0];
table.ColumnDefinitions.AddRange(aligns);
tableRow.IsHeader = true;
}
// Perform delimiter processor that are coming after this processor
foreach (var cell in cells)
{
var paragraph = (ParagraphBlock)cell[0];
state.PostProcessInlines(postInlineProcessorIndex + 1, paragraph.Inline, null, true);
}
// Clear cells when we are done
cells.Clear();
// We don't want to continue procesing delimiters, as we are already processing them here
return(false);
}
private bool TryProcessLinkOrImage(InlineProcessor inlineState, ref StringSlice text)
{
LinkDelimiterInline?openParent = inlineState.Inline !.FirstParentOfType <LinkDelimiterInline>();
if (openParent is null)
{
return(false);
}
// If we do find one, but it’s not active,
// we remove the inactive delimiter from the stack,
// and return a literal text node ].
if (!openParent.IsActive)
{
inlineState.Inline = new LiteralInline()
{
Content = new StringSlice("["),
Span = openParent.Span,
Line = openParent.Line,
Column = openParent.Column,
};
openParent.ReplaceBy(inlineState.Inline);
return(false);
}
// If we find one and it’s active,
// then we parse ahead to see if we have
// an inline link/image, reference link/image,
// compact reference link/image,
// or shortcut reference link/image
var parentDelimiter = openParent.Parent;
var savedText = text;
if (text.CurrentChar == '(')
{
if (inlineState.TrackTrivia)
{
if (LinkHelper.TryParseInlineLinkTrivia(
ref text,
out string?url,
out SourceSpan unescapedUrlSpan,
out string?title,
out SourceSpan unescapedTitleSpan,
out char titleEnclosingCharacter,
out SourceSpan linkSpan,
out SourceSpan titleSpan,
out SourceSpan triviaBeforeLink,
out SourceSpan triviaAfterLink,
out SourceSpan triviaAfterTitle,
out bool urlHasPointyBrackets))
{
var wsBeforeLink = new StringSlice(text.Text, triviaBeforeLink.Start, triviaBeforeLink.End);
var wsAfterLink = new StringSlice(text.Text, triviaAfterLink.Start, triviaAfterLink.End);
var wsAfterTitle = new StringSlice(text.Text, triviaAfterTitle.Start, triviaAfterTitle.End);
var unescapedUrl = new StringSlice(text.Text, unescapedUrlSpan.Start, unescapedUrlSpan.End);
var unescapedTitle = new StringSlice(text.Text, unescapedTitleSpan.Start, unescapedTitleSpan.End);
// Inline Link
var link = new LinkInline()
{
TriviaBeforeUrl = wsBeforeLink,
Url = HtmlHelper.Unescape(url),
UnescapedUrl = unescapedUrl,
UrlHasPointyBrackets = urlHasPointyBrackets,
TriviaAfterUrl = wsAfterLink,
Title = HtmlHelper.Unescape(title),
UnescapedTitle = unescapedTitle,
TitleEnclosingCharacter = titleEnclosingCharacter,
TriviaAfterTitle = wsAfterTitle,
IsImage = openParent.IsImage,
LabelSpan = openParent.LabelSpan,
UrlSpan = inlineState.GetSourcePositionFromLocalSpan(linkSpan),
TitleSpan = inlineState.GetSourcePositionFromLocalSpan(titleSpan),
Span = new SourceSpan(openParent.Span.Start, inlineState.GetSourcePosition(text.Start - 1)),
Line = openParent.Line,
Column = openParent.Column,
};
openParent.ReplaceBy(link);
// Notifies processor as we are creating an inline locally
inlineState.Inline = link;
// Process emphasis delimiters
inlineState.PostProcessInlines(0, link, null, false);
// If we have a link (and not an image),
// we also set all [ delimiters before the opening delimiter to inactive.
// (This will prevent us from getting links within links.)
if (!openParent.IsImage)
{
MarkParentAsInactive(parentDelimiter);
}
link.IsClosed = true;
return(true);
}
}
else
{
if (LinkHelper.TryParseInlineLink(ref text, out string?url, out string?title, out SourceSpan linkSpan, out SourceSpan titleSpan))
{
// Inline Link
var link = new LinkInline()
{
Url = HtmlHelper.Unescape(url),
Title = HtmlHelper.Unescape(title),
IsImage = openParent.IsImage,
LabelSpan = openParent.LabelSpan,
UrlSpan = inlineState.GetSourcePositionFromLocalSpan(linkSpan),
TitleSpan = inlineState.GetSourcePositionFromLocalSpan(titleSpan),
Span = new SourceSpan(openParent.Span.Start, inlineState.GetSourcePosition(text.Start - 1)),
Line = openParent.Line,
Column = openParent.Column,
};
openParent.ReplaceBy(link);
// Notifies processor as we are creating an inline locally
inlineState.Inline = link;
// Process emphasis delimiters
inlineState.PostProcessInlines(0, link, null, false);
// If we have a link (and not an image),
// we also set all [ delimiters before the opening delimiter to inactive.
// (This will prevent us from getting links within links.)
if (!openParent.IsImage)
{
MarkParentAsInactive(parentDelimiter);
}
link.IsClosed = true;
return(true);
}
}
text = savedText;
}
var labelSpan = SourceSpan.Empty;
string? label = null;
SourceSpan labelWithTrivia = SourceSpan.Empty;
bool isLabelSpanLocal = true;
bool isShortcut = false;
LocalLabel localLabel = LocalLabel.Local;
// Handle Collapsed links
if (text.CurrentChar == '[')
{
if (text.PeekChar() == ']')
{
label = openParent.Label;
labelSpan = openParent.LabelSpan;
isLabelSpanLocal = false;
localLabel = LocalLabel.Empty;
text.SkipChar(); // Skip [
text.SkipChar(); // Skip ]
}
}
else
{
localLabel = LocalLabel.None;
label = openParent.Label;
isShortcut = true;
}
if (label != null || LinkHelper.TryParseLabelTrivia(ref text, true, out label, out labelSpan))
{
labelWithTrivia = new SourceSpan(labelSpan.Start, labelSpan.End);
if (isLabelSpanLocal)
{
labelSpan = inlineState.GetSourcePositionFromLocalSpan(labelSpan);
}
if (ProcessLinkReference(inlineState, text, label !, labelWithTrivia, isShortcut, labelSpan, openParent, inlineState.GetSourcePosition(text.Start - 1), localLabel))
{
// Remove the open parent
openParent.Remove();
if (!openParent.IsImage)
{
MarkParentAsInactive(parentDelimiter);
}
return(true);
}
else if (text.CurrentChar != ']' && text.CurrentChar != '[')
{
return(false);
}
}