public override void chars(string text)
{
if (preStack.Count > 0)
{
text = ReplaceForPre(text);
}
else if (text.Trim() != "")
{
text = ReplaceMultipleWhitespaveWithOne(text);
var prevText = HtmlToMarkdownConverterHelper.peekTillNotEmpty(nodeStack.ToList());
if (prevText.EndsWith(" "))
{
text = text.TrimStart();
}
}
else
{
nodeStack.Push("");
return;
}
//if(blockquoteStack.length > 0 && peekTillNotEmpty(nodeList).endsWith("\n")) {
if (blockquoteStack.Count > 0)
{
var array = blockquoteStack.ToArray();
Array.Reverse(array);
nodeStack.Push(string.Join(string.Empty, array));
}
nodeStack.Push(ReplaceSpecialChars(text));
}
public bool removeIfEmptyTag(string start)
{
var cleaned = false;
if (start == HtmlToMarkdownConverterHelper.peekTillNotEmpty(nodeStack.ToList()))
{
while (nodeStack.Peek() != start)
{
nodeStack.Pop();
}
nodeStack.Pop();
cleaned = true;
}
return(cleaned);
}
public override void start(string tag, Dictionary <string, HtmlAttribute> attrs, bool unary)
{
tag = tag.ToLower();
if (unary && (tag != "br" && tag != "hr" && tag != "img"))
{
return;
}
switch (tag)
{
case "p":
case "div":
case "table":
case "tbody":
case "tr":
case "td":
block(false);
break;
}
switch (tag)
{
case "br":
nodeStack.Push(Markdown.Tags[tag]);
break;
case "hr":
block(false);
nodeStack.Push(Markdown.Tags[tag]);
break;
case "title":
case "h1":
case "h2":
case "h3":
case "h4":
case "h5":
case "h6":
block(false);
nodeStack.Push(Markdown.Tags[tag]);
break;
case "b":
case "strong":
case "i":
case "em":
case "dfn":
case "var":
case "cite":
nodeStack.Push(Markdown.Tags[tag]);
break;
case "code":
case "span":
if (preStack.Count > 0)
{
break;
}
else if (false == nodeStack.SafePeek().EndsWith(" "))
{
nodeStack.Push(Markdown.Tags[tag]);
}
break;
case "ul":
case "ol":
case "dl":
listTagStack.Push(Markdown.Tags[tag]);
// lists are block elements
if (listTagStack.Count > 1)
{
listBlock();
}
else
{
block(false);
}
break;
case "li":
case "dt":
var li = getListMarkdownTag();
nodeStack.Push(li);
break;
case "a":
linkAttrStack.Push(HtmlToMarkdownConverterHelper.convertAttrs(attrs));
nodeStack.Push("[");
break;
case "img":
var attribs = HtmlToMarkdownConverterHelper.convertAttrs(attrs);
string alt, title, url;
url = attribs.ContainsKey("src") ? attribs["src"].Value : "";
if (string.IsNullOrWhiteSpace(url))
{
break;
}
alt = attribs.ContainsKey("alt") ? attribs["alt"].Value.Trim() : "";
title = attribs.ContainsKey("title") ? attribs["title"].Value.Trim() : "";
// if parent of image tag is nested in anchor tag use inline style
if (!inlineStyle && false == HtmlToMarkdownConverterHelper.startsWith(HtmlToMarkdownConverterHelper.peekTillNotEmpty(nodeStack.ToList()), "["))
{
var l = links.IndexOf(url);
if (l == -1)
{
links.Add(url);
l = links.Count - 1;
}
block(false);
nodeStack.Push("![");
if (alt != "")
{
nodeStack.Push(alt);
}
else if (title != null)
{
nodeStack.Push(title);
}
nodeStack.Push("][" + l + "]");
block(false);
}
else
{
//if image is not a link image then treat images as block elements
if (false == HtmlToMarkdownConverterHelper.startsWith(HtmlToMarkdownConverterHelper.peekTillNotEmpty(nodeStack.ToList()), "["))
{
block(false);
}
nodeStack.Push("![" + alt + "](" + url + (false == string.IsNullOrWhiteSpace(title) ? " \"" + title + "\"" : "") + ")");
if (false == HtmlToMarkdownConverterHelper.startsWith(HtmlToMarkdownConverterHelper.peekTillNotEmpty(nodeStack.ToList()), "["))
{
block(true);
}
}
break;
case "blockquote":
//listBlock();
block(false);
blockquoteStack.Push(Markdown.Tags[tag]);
break;
case "pre":
block(false);
preStack.Push(true);
nodeStack.Push(" ");
break;
//case "table":
// nodeStack.Push("<table>");
// break;
//case "thead":
// nodeStack.Push("<thead>");
// break;
//case "tbody":
// nodeStack.Push("<tbody>");
// break;
//case "tr":
// nodeStack.Push("<tr>");
// break;
//case "td":
// nodeStack.Push("<td>");
// break;
}
}
