/* Function: GetText
* Converts a block of formatted text to NDMarkup and adds it to the output. It ends when it reaches the closing tag for anything
* already on the tag stack.
*/
protected void GetText(ref XMLIterator iterator, StringBuilder output, TagStack tagStack)
{
output.Append("<p>");
tagStack.OpenTag(null, "</p>");
int surroundingPTagIndex = tagStack.Count - 1;
while (iterator.IsInBounds)
{
if (iterator.IsOn(XMLElementType.Text))
{
output.EntityEncodeAndAppend(iterator.String);
iterator.Next();
}
else if (iterator.IsOn(XMLElementType.EntityChar))
{
output.EntityEncodeAndAppend(iterator.EntityValue);
iterator.Next();
}
else if (iterator.IsOn(XMLElementType.LineBreak))
{
// Add a literal line break. We'll replace these with spaces or double spaces later. Right now we can't decide
// which it should be because you can't run a regex directly on a StringBuilder and it would be inefficient to convert
// it to a string on every line break.
output.Append('\n');
iterator.Next();
}
else if (iterator.IsOnTag("para"))
{
// Text can appear both inside and outside of <para> tags, and whitespace can appear between <para> tags that
// can be mistaken for content, so rather than put in a lot of logic we handle it in a very dirty but simple way. Every
// <para> tag--opening, closing, standalone (technically invalid)--causes a paragraph break. Normalize() will clean it
// up for us afterwards.
tagStack.CloseTag(surroundingPTagIndex + 1, output); // Reuse our surrounding tag
output.Append("</p><p>");
iterator.Next();
}
else if (iterator.IsOnTag("code", TagForm.Opening))
{
output.Append("</p>");
GetCode(ref iterator, output, tagStack);
output.Append("<p>");
}
else if (iterator.IsOnTag("example", TagForm.Opening))
{
// <example> can be nested in addition to a top-level tag.
output.Append("</p><h>");
output.EntityEncodeAndAppend(
Engine.Locale.Get("NaturalDocs.Engine", "XML.Heading.example")
);
output.Append("</h><p>");
tagStack.OpenTag("example", "</p><p>");
iterator.Next();
}
else if (iterator.IsOnTag("list", TagForm.Opening))
{
output.Append("</p>");
GetList(ref iterator, output, tagStack);
output.Append("<p>");
}
else if (iterator.IsOnTag("paramref") ||
iterator.IsOnTag("typeparamref"))
{
// Can't assume all the properties are set
string name = iterator.TagProperty("name");
if (name != null)
{
output.EntityEncodeAndAppend(name);
}
iterator.Next();
}
else if (iterator.IsOnTag("see", TagForm.Standalone))
{
// Can't assume all the properties are set
string cref = iterator.TagProperty("cref");
if (cref != null)
{
output.Append("<link type=\"naturaldocs\" originaltext=\"");
output.EntityEncodeAndAppend(cref);
output.Append("\">");
}
else
{
string langword = iterator.TagProperty("langword");
if (langword != null)
{
output.EntityEncodeAndAppend(langword);
}
}
iterator.Next();
}
else if (iterator.IsOnTag(TagForm.Opening))
{
tagStack.OpenTag(iterator.TagType);
iterator.Next();
}
else if (iterator.IsOnTag(TagForm.Closing))
{
int openingTagIndex = tagStack.FindTag(iterator.TagType);
if (openingTagIndex == -1)
{
}
else if (openingTagIndex < surroundingPTagIndex)
{
break;
}
else
{
tagStack.CloseTag(openingTagIndex, output);
}
iterator.Next();
}
else
{
// Ignore indent. Spaces between words will be handled by line breaks.
// Ignore unrecognized standalone tags.
iterator.Next();
}
}
tagStack.CloseTag(surroundingPTagIndex, output);
}
/* Function: GetSimpleText
* Converts a block of plain unformatted text to NDMarkup and adds it to the output. Unlike <GetText()> this will not surround the
* output in paragraph tags. It ends when it reaches the closing tag for anything already on the tag stack.
*/
protected void GetSimpleText(ref XMLIterator iterator, StringBuilder output, TagStack tagStack)
{
int surroundingTagCount = tagStack.Count;
while (iterator.IsInBounds)
{
if (iterator.IsOn(XMLElementType.Text))
{
output.EntityEncodeAndAppend(iterator.String);
iterator.Next();
}
else if (iterator.IsOn(XMLElementType.EntityChar))
{
output.EntityEncodeAndAppend(iterator.EntityValue);
iterator.Next();
}
else if (iterator.IsOn(XMLElementType.LineBreak))
{
// Add a literal line break. We'll replace these with spaces or double spaces later. Right now we can't decide
// which it should be because you can't run a regex directly on a StringBuilder and it would be inefficient to convert
// it to a string on every line break.
output.Append('\n');
iterator.Next();
}
else if (iterator.IsOnTag("paramref") ||
iterator.IsOnTag("typeparamref"))
{
// Can't assume all the properties are set
string name = iterator.TagProperty("name");
if (name != null)
{
output.Append(name);
}
iterator.Next();
}
else if (iterator.IsOnTag(TagForm.Opening))
{
tagStack.OpenTag(iterator.TagType);
iterator.Next();
}
else if (iterator.IsOnTag(TagForm.Closing))
{
int openingTagIndex = tagStack.FindTag(iterator.TagType);
if (openingTagIndex == -1)
{
}
else if (openingTagIndex <= surroundingTagCount - 1)
{
break;
}
else
{
tagStack.CloseTag(openingTagIndex, output);
}
iterator.Next();
}
else
{
// Ignore indent. Spaces between words will be handled by line breaks.
// Ignore unrecognized standalone tags.
iterator.Next();
}
}
if (tagStack.Count > surroundingTagCount)
{
tagStack.CloseTag(surroundingTagCount, output);
}
}
/* Function: TryToGetTopLevelListItem
* If the iterator is on a param, typeparam, exception, or permission tag it will convert it to NDMarkup, add it to the
* comment in a list block, move the iterator past it, and return true. Otherwise it returns false and nothing is changed.
*/
protected bool TryToGetTopLevelListItem(ref XMLIterator iterator, XMLComment comment)
{
if (iterator.IsOnTag("param", TagForm.Opening) == false &&
iterator.IsOnTag("exception", TagForm.Opening) == false &&
iterator.IsOnTag("permission", TagForm.Opening) == false &&
iterator.IsOnTag("typeparam", TagForm.Opening) == false &&
iterator.IsOnTag("see", TagForm.Opening) == false &&
iterator.IsOnTag("see", TagForm.Standalone) == false &&
iterator.IsOnTag("seealso", TagForm.Opening) == false &&
iterator.IsOnTag("seealso", TagForm.Standalone) == false)
{
return(false);
}
string keyword = iterator.TagType;
if (keyword == "see")
{
keyword = "seealso";
}
XMLComment.ListBlock block = comment.GetListBlock(keyword);
string name = null;
string description = null;
if (keyword == "param" || keyword == "typeparam")
{
name = iterator.TagProperty("name");
}
else
{
name = iterator.TagProperty("cref") ?? iterator.TagProperty("langword");
}
if (iterator.TagForm == TagForm.Opening)
{
TagStack tagStack = new TagStack();
tagStack.OpenTag(keyword);
iterator.Next();
StringBuilder descriptionBuilder = new StringBuilder();
GetText(ref iterator, descriptionBuilder, tagStack);
tagStack.CloseAllTags(descriptionBuilder);
description = Normalize(descriptionBuilder.ToString());
if (iterator.IsOnTag(keyword, TagForm.Closing))
{
iterator.Next();
}
}
else
{
iterator.Next();
}
if (name != null)
{
block.Add(name, description);
}
return(true);
}
