private void TerminateLastRow(BlockProcessor state, GridTableState tableState, Table gridTable, bool isLastRow)
{
var columns = tableState.ColumnSlices;
TableRow currentRow = null;
foreach (var columnSlice in columns)
{
if (columnSlice.CurrentCell != null)
{
if (currentRow == null)
{
currentRow = new TableRow();
}
currentRow.Add(columnSlice.CurrentCell);
columnSlice.BlockProcessor.Close(columnSlice.CurrentCell);
}
// Renew the block parser processor (or reset it for the last row)
if (columnSlice.BlockProcessor != null)
{
columnSlice.BlockProcessor.ReleaseChild();
columnSlice.BlockProcessor = isLastRow ? null : state.CreateChild();
}
// Create or erase the cell
if (isLastRow || columnSlice.CurrentColumnSpan == 0)
{
// We don't need the cell anymore if we have a last row
// Or the cell has a columnspan == 0
columnSlice.CurrentCell = null;
}
else
{
// Else we can create a new cell
columnSlice.CurrentCell = new TableCell(this)
{
ColumnSpan = columnSlice.CurrentColumnSpan
};
if (columnSlice.BlockProcessor == null)
{
columnSlice.BlockProcessor = state.CreateChild();
}
// Ensure that the BlockParser is aware that the TableCell is the top-level container
columnSlice.BlockProcessor.Open(columnSlice.CurrentCell);
}
}
if (currentRow != null)
{
gridTable.Add(currentRow);
}
}
internal virtual FlexiTableBlock CreateFlexiTableBlock(string blockName,
FlexiTableType type,
ReadOnlyDictionary <string, string> attributes,
ProxyTableBlock proxyTableBlock,
BlockProcessor blockProcessor)
{
// Create table block
var flexiTableBlock = new FlexiTableBlock(blockName, type, attributes, proxyTableBlock.Parser)
{
Column = proxyTableBlock.Column,
Line = proxyTableBlock.Line,
Span = proxyTableBlock.Span
};
// Create row blocks
bool headerRowFound = false;
BlockProcessor childBlockProcessor = blockProcessor.CreateChild();
List <Row> rows = proxyTableBlock.Rows;
List <ColumnDefinition> columnDefinitions = proxyTableBlock.ColumnDefinitions;
int numColumns = proxyTableBlock.NumColumns;
int numRows = rows.Count;
bool typeIsUnresponsive = type == FlexiTableType.Unresponsive;
for (int rowIndex = 0; rowIndex < numRows; rowIndex++)
{
Row row = rows[rowIndex];
bool isHeaderRow = row.IsHeaderRow;
if (!typeIsUnresponsive && isHeaderRow)
{
if (headerRowFound)
{
throw new OptionsException(nameof(IFlexiTableBlockOptions.Type), Strings.OptionsException_FlexiTableBlockFactory_TypeInvalidForTablesWithMultipleHeaderRows);
}
headerRowFound = true;
}
// Create and add row
flexiTableBlock.Add(CreateFlexiTableRowBlock(type,
childBlockProcessor,
columnDefinitions,
numColumns,
rowIndex,
row,
isHeaderRow));
}
// Release for reuse
childBlockProcessor.ReleaseChild();
return(flexiTableBlock);
}
private static void TerminateCurrentRow(BlockProcessor processor, GridTableState tableState, Table gridTable, bool isLastRow)
{
var columns = tableState.ColumnSlices;
TableRow currentRow = null;
for (int i = 0; i < columns.Count; i++)
{
var columnSlice = columns[i];
if (columnSlice.CurrentCell != null)
{
if (currentRow == null)
{
currentRow = new TableRow();
}
// If this cell does not already belong to a row
if (columnSlice.CurrentCell.Parent == null)
{
currentRow.Add(columnSlice.CurrentCell);
}
// If the cell is not going to span through to the next row
if (columnSlice.CurrentCell.AllowClose)
{
columnSlice.BlockProcessor.Close(columnSlice.CurrentCell);
}
}
// Renew the block parser processor (or reset it for the last row)
if (columnSlice.BlockProcessor != null && (columnSlice.CurrentCell == null || columnSlice.CurrentCell.AllowClose))
{
columnSlice.BlockProcessor.ReleaseChild();
columnSlice.BlockProcessor = isLastRow ? null : processor.CreateChild();
}
// Create or erase the cell
if (isLastRow || columnSlice.CurrentColumnSpan == 0 || (columnSlice.CurrentCell != null && columnSlice.CurrentCell.AllowClose))
{
// We don't need the cell anymore if we have a last row
// Or the cell has a columnspan == 0
// And the cell does not have to be kept open to span rows
columnSlice.CurrentCell = null;
}
}
if (currentRow != null && currentRow.Count > 0)
{
gridTable.Add(currentRow);
}
}
private BlockState HandleContents(BlockProcessor processor, GridTableState tableState, Table gridTable)
{
var isRowLine = processor.CurrentChar == '+';
var columns = tableState.ColumnSlices;
var line = processor.Line;
SetColumnSpanState(columns, line);
if (!isRowLine && !CanContinueRow(columns))
{
TerminateCurrentRow(processor, tableState, gridTable, false);
}
for (int i = 0; i < columns.Count;)
{
var columnSlice = columns[i];
var nextColumnIndex = i + columnSlice.CurrentColumnSpan;
// If the span is 0, we exit
if (nextColumnIndex == i)
{
break;
}
var nextColumn = nextColumnIndex < columns.Count ? columns[nextColumnIndex] : null;
var sliceForCell = line;
sliceForCell.Start = line.Start + columnSlice.Start + 1;
if (nextColumn != null)
{
sliceForCell.End = line.Start + nextColumn.Start - 1;
}
else
{
var columnEnd = columns[columns.Count - 1].End;
var columnEndChar = line.PeekCharExtra(columnEnd);
// If there is a `|` (or a `+` in the case that we are dealing with a row line
// with spanned contents) exactly at the expected end of the table row, we cut the line
// otherwise we allow to have the last cell of a row to be open for longer cell content
if (columnEndChar == '|' || (isRowLine && columnEndChar == '+'))
{
sliceForCell.End = line.Start + columnEnd - 1;
}
else if (line.PeekCharExtra(line.End) == '|')
{
sliceForCell.End = line.End - 1;
}
}
sliceForCell.TrimEnd();
if (!isRowLine || !IsRowSeperator(sliceForCell))
{
if (columnSlice.CurrentCell == null)
{
columnSlice.CurrentCell = new TableCell(this)
{
ColumnSpan = columnSlice.CurrentColumnSpan,
ColumnIndex = i
};
if (columnSlice.BlockProcessor == null)
{
columnSlice.BlockProcessor = processor.CreateChild();
}
// Ensure that the BlockParser is aware that the TableCell is the top-level container
columnSlice.BlockProcessor.Open(columnSlice.CurrentCell);
}
// Process the content of the cell
columnSlice.BlockProcessor.LineIndex = processor.LineIndex;
columnSlice.BlockProcessor.ProcessLine(sliceForCell);
}
// Go to next column
i = nextColumnIndex;
}
return(BlockState.ContinueDiscard);
}
internal virtual void ProcessContent(BlockProcessor blockProcessor,
FlexiIncludeBlock flexiIncludeBlock,
ContainerBlock parentOfNewBlocks,
ReadOnlyCollection <string> content)
{
// The method used here is also used for GridTables. Using a child processor avoids conflicts with existing
// open blocks in the root processor.
BlockProcessor childProcessor = blockProcessor.CreateChild();
childProcessor.Open(parentOfNewBlocks);
// If content is code, start with ```
bool isCode = flexiIncludeBlock.Type == FlexiIncludeType.Code;
if (isCode)
{
childProcessor.ProcessLine(_codeBlockFence);
}
// TODO this has the potential to be really slow if content has lots of lines and we've got lots of clippings using start/end strings
// Clippings - need not be sequential, they can also overlap
int contentNumLines = content.Count;
foreach (Clipping clipping in flexiIncludeBlock.Clippings ?? _defaultClippings)
{
string before = clipping.Before;
if (isCode && before != null)
{
childProcessor.ProcessLine(new StringSlice(before)); // No issue even if Before is multiline since we're in a code block
}
int startLineNumber = -1;
(string startString, string endString) = clipping.GetNormalizedStartAndEndStrings();
bool startStringSpecified = startString != null;
bool endStringSpecified = endString != null;
(int normalizedStartLine, int normalizedEndLine)normalizedStartAndEndLines = default;
if (!startStringSpecified || !endStringSpecified)
{
normalizedStartAndEndLines = clipping.GetNormalizedStartAndEndLines(contentNumLines);
}
if (startStringSpecified)
{
int lastIndex = contentNumLines - 2; // Since demarcation lines are not included in the clipping, the last line cannot be a start demarcation line.
for (int i = 0; i <= lastIndex; i++)
{
if (content[i].Contains(startString))
{
startLineNumber = i + 2;
break;
}
}
if (startLineNumber == -1)
{
throw new OptionsException(nameof(Clipping.StartString),
string.Format(Strings.OptionsException_FlexiIncludeBlockFactory_NoLineContainsStartString, startString));
}
}
else
{
startLineNumber = normalizedStartAndEndLines.normalizedStartLine;
}
// If we encounter an invalid block in the included content, this ensures the BlockException thrown has the right line number in the included content's source.
childProcessor.LineIndex = startLineNumber - 1;
for (int lineNumber = startLineNumber; lineNumber <= contentNumLines; lineNumber++)
{
var stringSlice = new StringSlice(content[lineNumber - 1]);
if (!stringSlice.IsEmpty)
{
if (clipping.Indent > 0)
{
stringSlice = _leadingWhitespaceEditorService.Indent(stringSlice, clipping.Indent);
}
_leadingWhitespaceEditorService.Dedent(ref stringSlice, clipping.Dedent);
_leadingWhitespaceEditorService.Collapse(ref stringSlice, clipping.Collapse);
}
childProcessor.ProcessLine(stringSlice);
// Check whether we've reached the end of the clipping
if (endStringSpecified)
{
if (lineNumber == contentNumLines)
{
throw new OptionsException(nameof(Clipping.EndString),
string.Format(Strings.OptionsException_FlexiIncludeBlockFactory_NoLineContainsEndString, endString));
}
// Check if next line contains the end line substring
if (content[lineNumber].Contains(endString))
{
break;
}
}
else if (lineNumber == normalizedStartAndEndLines.normalizedEndLine)
{
break;
}
}
string after = clipping.After;
if (isCode && after != null)
{
childProcessor.ProcessLine(new StringSlice(after)); // No issue even if Before is multiline since we're in a code block
}
}
if (isCode) // If content is code, end with ```
{
childProcessor.ProcessLine(_codeBlockFence);
}
// Ensure that the last replacement block has been closed. While the block never makes it to the OpenedBlocks collection in the root processor,
// calling Close for it ensures that it and its children's Close methods and events get called.
childProcessor.Close(parentOfNewBlocks.LastChild);
// BlockProcessors are pooled. Once we're done with innerProcessor, we must release it. This also removes all references to
// tempContainerBlock, which should allow it to be collected quickly.
childProcessor.ReleaseChild();
}