public void AddTagEndLine(string tagName)
{
ParagraphLine resultLine = new ParagraphLine();
resultLine.AddItem(
new ParagraphLineItem
{
Text = string.Format("</{0}>", tagName),
ItemType = ItemType.XmlElement
});
Add(resultLine);
}
public void AddCustomTagStartLine(string text)
{
ParagraphLine resultLine = new ParagraphLine();
resultLine.AddItem(
new ParagraphLineItem
{
Text = text,
ItemType = ItemType.XmlElement
});
Add(resultLine);
}
public ParagraphLine TrimEnd()
{
ParagraphLine newLine = new ParagraphLine();
int i = Items.Count - 1;
while (i >= 0 && Items[i].ItemType == ItemType.XmlSpace)
{
i--;
}
for (int j = 0; j <= i; j++)
{
newLine.AddItem(Items[j]);
}
return(newLine);
}
public ParagraphLine TrimStart()
{
ParagraphLine newLine = new ParagraphLine();
int i = 0;
while (i < Items.Count && Items[i].ItemType == ItemType.XmlSpace)
{
i++;
}
for (; i < Items.Count; i++)
{
newLine.AddItem(Items[i]);
}
return(newLine);
}
IEnumerable <ParagraphLine> readLines()
{
// We're processing "blocks" out of the lexer. Blocks are either:
// - xml tags - these will always come in as a single block
// - slabs of text - these will come one per line (but they may have a tag breaking up two slabs on the one line).
//
// We need to break them into what we think the lines should be.
// Start reading blocks from the lexer
ParagraphLine paragraphLine = new ParagraphLine();
foreach (string block in _xmlBlockLexer)
{
// Create a new item to put this block into.
ParagraphLineItem item = new ParagraphLineItem();
// If the block is a code or "c" block then we treat the block as a single, non-reflowable chunk.
if (block.StartsWith("<code") || block.StartsWith("<c") || block.StartsWith("<see") || block.StartsWith("<paramref") || block.StartsWith("<typeparamref"))
{
item.Text = block;
item.ItemType = ItemType.NonReflowableBlock;
paragraphLine.AddItem(item);
}
// If the block is some other xml tag then treat it as a line (we may compress these again later).
else if (block.StartsWith("<"))
{
/*
* // Yield the previous line
* yield return paragraphLine;
*
* // Create a new line
* paragraphLine = new ParagraphLine();
*/
// And add the new tag into it
item.Text = block;
item.ItemType = ItemType.XmlElement;
paragraphLine.AddItem(item);
/*
* // Yield that
* yield return paragraphLine;
*
* // Create a new line
* paragraphLine = new ParagraphLine();
*/
}
// Otherwise it must be a text block so deal with that.
else
{
// Split the text block into lines
string[] lines = block.Replace("\r", "").Split('\n');
// Process each line
for (int i = 0; i < lines.Length; i++)
{
// Create an item for this line
string line = lines[i];
item.Text = line;
item.ItemType = line.Trim().Length == 0 ? ItemType.XmlSpace : ItemType.Text;
paragraphLine.AddItem(item);
// If we're not the last line then yield this line (last line may contain other sections).
if (i != lines.Length - 1)
{
yield return(paragraphLine);
item = new ParagraphLineItem();
paragraphLine = new ParagraphLine();
}
}
}
}
if (paragraphLine.Items.Count > 0)
{
yield return(paragraphLine);
}
}
public IEnumerable <Paragraph> Parse()
{
Paragraph paragraph = new Paragraph();
ParagraphLine previousLine = null;
foreach (ParagraphLine line in readLines())
{
ParagraphLine trimmedLine = line.Trim();
ParagraphLine previousTrimmedLine = previousLine == null ? null : previousLine.Trim();
//empty line is paragraph
if (trimmedLine.Items.Count == 0)
{
if (paragraph.Lines.Count > 0)
{
yield return(paragraph);
}
paragraph = new Paragraph();
paragraph.Add(line);
}
//xml element on start of line starts new paragraph
else if (trimmedLine.Items.Count > 0 && (trimmedLine.Items[0].ItemType == ItemType.XmlElement ||
trimmedLine.Items[0].ItemType == ItemType.NonReflowableBlock))
{
if (paragraph.Lines.Count > 0)
{
yield return(paragraph);
}
paragraph = new Paragraph();
paragraph.Add(line); // trimmedLine
}
//Anythyng after empty line starts new paragraph.
else if (previousLine != null && previousTrimmedLine.Items.Count == 0)
{
if (paragraph.Lines.Count > 0)
{
yield return(paragraph);
}
paragraph = new Paragraph();
paragraph.Add(line);
}
//anything after xml element on own line starts new paragraph.
else if (previousTrimmedLine != null && previousTrimmedLine.Items.Count == 1 && previousTrimmedLine.Items[0].ItemType == ItemType.XmlElement)
{
if (paragraph.Lines.Count > 0)
{
yield return(paragraph);
}
paragraph = new Paragraph();
paragraph.Add(line);
}
else
{
paragraph.Add(line);
}
previousLine = line;
}
if (paragraph.Lines.Count > 0)
{
yield return(paragraph);
}
}
public void Add(ParagraphLine line)
{
_lines.Add(line);
}