internal void RenderImg(Markdown m, StringBuilder b, string alt_text, List <string> specialAttributes)
{
HtmlTag tag = new HtmlTag("img");
// encode url
StringBuilder sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, Url);
tag.attributes["src"] = sb.ToString();
// encode alt text
if (!String.IsNullOrEmpty(alt_text))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, alt_text);
tag.attributes["alt"] = sb.ToString();
}
// encode title
if (!String.IsNullOrEmpty(Title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, Title);
tag.attributes["title"] = sb.ToString();
}
if (specialAttributes.Any())
{
LinkDefinition.HandleSpecialAttributes(specialAttributes, sb, tag);
}
tag.closed = true;
m.OnPrepareImage(tag, m.RenderingTitledImage);
tag.RenderOpening(b);
}
internal void RenderImg(Markdown m, StringBuilder b, string alt_text)
{
HtmlTag tag = new HtmlTag("img");
// encode url
StringBuilder sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, url);
tag.attributes["src"] = sb.ToString();
// encode alt text
if (!String.IsNullOrEmpty(alt_text))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, alt_text);
tag.attributes["alt"] = sb.ToString();
}
// encode title
if (!String.IsNullOrEmpty(title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, title);
tag.attributes["title"] = sb.ToString();
}
tag.closed = true;
m.OnPrepareImage(tag, m.RenderingTitledImage);
tag.RenderOpening(b);
}
internal void RenderLink(Markdown m, StringBuilder b, string link_text)
{
if (url.StartsWith("mailto:"))
{
b.Append("<a href=\"");
Utils.HtmlRandomize(b, url);
b.Append('\"');
if (!String.IsNullOrEmpty(title))
{
b.Append(" title=\"");
Utils.SmartHtmlEncodeAmpsAndAngles(b, title);
b.Append('\"');
}
b.Append('>');
Utils.HtmlRandomize(b, link_text);
b.Append("</a>");
}
else
{
HtmlTag tag = new HtmlTag("a");
// encode url
StringBuilder sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, url);
tag.attributes["href"] = sb.ToString();
// encode title
if (!String.IsNullOrEmpty(title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, title);
tag.attributes["title"] = sb.ToString();
}
// Do user processing
m.OnPrepareLink(tag);
var href = tag.attributes["href"];
if (href == "")
{
tag = new HtmlTag("span");
tag.attributes["class"] = "brokenlink";
}
else if (href.StartsWith("http://") || href.StartsWith("https://"))
{
tag.attributes["class"] = "foreignlink";
}
// Render the opening tag
tag.RenderOpening(b);
b.Append(link_text); // Link text already escaped by SpanFormatter
b.AppendFormat("</{0}>", tag.name);
if (href == "")
{
m.AfterBrokenLink(b, sb.ToString(), link_text);
}
}
}
internal void RenderLink(Markdown m, StringBuilder b, string link_text, List <string> specialAttributes)
{
if (this.Url.StartsWith("mailto:"))
{
b.Append("<a href=\"");
Utils.HtmlRandomize(b, this.Url);
b.Append('\"');
if (!String.IsNullOrEmpty(this.Title))
{
b.Append(" title=\"");
Utils.SmartHtmlEncodeAmpsAndAngles(b, this.Title);
b.Append('\"');
}
b.Append('>');
Utils.HtmlRandomize(b, link_text);
b.Append("</a>");
}
else
{
HtmlTag tag = new HtmlTag("a");
// encode url
StringBuilder sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, this.Url);
tag.attributes["href"] = sb.ToString();
// encode title
if (!String.IsNullOrEmpty(this.Title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, this.Title);
tag.attributes["title"] = sb.ToString();
}
if (specialAttributes.Any())
{
LinkDefinition.HandleSpecialAttributes(specialAttributes, sb, tag);
}
// Do user processing
m.OnPrepareLink(tag);
// Render the opening tag
tag.RenderOpening(b);
b.Append(link_text); // Link text already escaped by SpanFormatter
b.Append("</a>");
}
}
internal void RenderLink(Markdown m, StringBuilder b, string linkText)
{
if (URL.StartsWith("mailto:"))
{
b.Append("<a href=\"");
Utils.HtmlRandomize(b, URL);
b.Append('\"');
if (!string.IsNullOrEmpty(Title))
{
b.Append(" title=\"");
Utils.SmartHtmlEncodeAmpsAndAngles(b, Title);
b.Append('\"');
}
b.Append('>');
Utils.HtmlRandomize(b, linkText);
b.Append("</a>");
}
else
{
var tag = new HtmlTag("a");
// encode url
var sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, URL);
tag.Attributes["href"] = sb.ToString();
// encode title
if (!string.IsNullOrEmpty(Title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, Title);
tag.Attributes["title"] = sb.ToString();
}
// Do user processing
m.OnPrepareLink(tag);
// Render the opening tag
tag.RenderOpening(b);
b.Append(linkText); // Link text already escaped by SpanFormatter
b.Append("</a>");
}
}
internal void FormatParagraph(StringBuilder dest, string str, int start, int len)
{
// Parse the string into a list of tokens
Tokenize(str, start, len);
// If the image is a titled image and there's a class defined for titled images, we'll render it using special markup, otherwise we'll render
// the image as-is.
if (m_Tokens.Count == 1 && !string.IsNullOrWhiteSpace(m_Markdown.HtmlClassTitledImages) && m_Tokens[0].type == TokenType.img &&
m_Tokens[0].data is LinkInfo && !string.IsNullOrWhiteSpace(((LinkInfo)m_Tokens[0].data).Definition.Title))
{
// Grab the link info
LinkInfo li = (LinkInfo)m_Tokens[0].data;
// Render the div opening
dest.Append("<div class=\"");
dest.Append(m_Markdown.HtmlClassTitledImages);
dest.Append("\">\n");
// Render the img
m_Markdown.RenderingTitledImage = true;
Render(dest, str);
m_Markdown.RenderingTitledImage = false;
dest.Append("\n");
// Render the title
if (!String.IsNullOrEmpty(li.Definition.Title))
{
dest.Append("<p>");
Utils.SmartHtmlEncodeAmpsAndAngles(dest, li.Definition.Title);
dest.Append("</p>\n");
}
dest.Append("</div>\n");
}
else
{
// Render the paragraph
dest.Append("<p>");
Render(dest, str);
dest.Append("</p>\n");
}
}
internal void FormatParagraph(StringBuilder dest, string str, int start, int len)
{
// Parse the string into a list of tokens
Tokenize(str, start, len);
// Titled image?
if (m_Tokens.Count == 1 && m_Markdown.HtmlClassTitledImages != null && m_Tokens[0].type == TokenType.img)
{
// Grab the link info
LinkInfo li = (LinkInfo)m_Tokens[0].data;
// Render the div opening
dest.Append("<div class=\"");
dest.Append(m_Markdown.HtmlClassTitledImages);
dest.Append("\">\n");
// Render the img
m_Markdown.RenderingTitledImage = true;
Render(dest, str);
m_Markdown.RenderingTitledImage = false;
dest.Append("\n");
// Render the title
if (!String.IsNullOrEmpty(li.def.title))
{
dest.Append("<p>");
Utils.SmartHtmlEncodeAmpsAndAngles(dest, li.def.title);
dest.Append("</p>\n");
}
dest.Append("</div>\n");
}
else
{
// Render the paragraph
dest.Append("<p>");
Render(dest, str);
dest.Append("</p>\n");
}
}
private static void HandleSpecialAttributes(List <string> specialAttributes, StringBuilder sb, HtmlTag tag)
{
string id = specialAttributes.FirstOrDefault(s => s.StartsWith("#"));
if (id != null && id.Length > 1)
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, id.Substring(1));
tag.attributes["id"] = sb.ToString();
}
var cssClasses = new List <string>();
foreach (var cssClass in specialAttributes.Where(s => s.StartsWith(".") && s.Length > 1))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, cssClass.Substring(1));
cssClasses.Add(sb.ToString());
}
if (cssClasses.Any())
{
tag.attributes["class"] = string.Join(" ", cssClasses.ToArray());
}
foreach (var nameValuePair in specialAttributes.Where(s => s.Contains("=") && s.Length > 2 && !s.StartsWith(".") && !s.StartsWith("#")))
{
var pair = nameValuePair.Split('=');
if (pair.Length == 2)
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, pair[0]);
var key = sb.ToString();
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, pair[1]);
var value = sb.ToString();
tag.attributes[key] = value;
}
}
}
internal void RenderLink(Markdown m, StringBuilder b, string link_text, List <string> specialAttributes)
{
if (this.Url.StartsWith("mailto:"))
{
b.Append("<a href=\"");
Utils.HtmlRandomize(b, this.Url);
b.Append('\"');
if (!String.IsNullOrEmpty(this.Title))
{
b.Append(" title=\"");
Utils.SmartHtmlEncodeAmpsAndAngles(b, this.Title);
b.Append('\"');
}
b.Append('>');
Utils.HtmlRandomize(b, link_text);
b.Append("</a>");
}
else
{
HtmlTag tag = new HtmlTag("a");
var url = this.Url;
if (m.DocNetMode && m.ConvertLocalLinks)
{
// A few requirements before we can convert local links:
// 1. Link contains .md
// 2. Link is relative
// 3. Link is included in the index
var index = url.LastIndexOf(".md", StringComparison.OrdinalIgnoreCase);
if (index >= 0)
{
var linkProcessor = m.LocalLinkProcessor;
if (linkProcessor != null)
{
url = linkProcessor(url);
}
else
{
Uri uri;
if (Uri.TryCreate(url, UriKind.Relative, out uri))
{
url = String.Concat(url.Substring(0, index), ".htm", url.Substring(index + ".md".Length));
}
}
}
}
// encode url
StringBuilder sb = m.GetStringBuilder();
Utils.SmartHtmlEncodeAmpsAndAngles(sb, url);
tag.attributes["href"] = sb.ToString();
// encode title
if (!String.IsNullOrEmpty(this.Title))
{
sb.Length = 0;
Utils.SmartHtmlEncodeAmpsAndAngles(sb, this.Title);
tag.attributes["title"] = sb.ToString();
}
if (specialAttributes.Any())
{
LinkDefinition.HandleSpecialAttributes(specialAttributes, sb, tag);
}
// Do user processing
m.OnPrepareLink(tag);
// Render the opening tag
tag.RenderOpening(b);
b.Append(link_text); // Link text already escaped by SpanFormatter
b.Append("</a>");
}
}
