public static string AutoHyperlinkHtml(string html, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator)
{
return(FullATagOrTagOrInformalUrlRegex.Replace(html,
delegate(Match match) {
if (!FullATagOrTagRegex.IsMatch(match.Value))
{
return HyperlinkUrl(match.Value, noFollow, htmlLinkEvaluator);
}
return match.Value;
}));
}
private static string HyperlinkUrl(string url, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator)
{
string linkText = url;
string linkUrl;
StringBuilder linkAttributes = null;
if (InformalUrlPrefixRegex.IsMatch(linkText))
{
linkUrl = linkText;
}
else if (InformalUrlEmailRegex.IsMatch(linkText))
{
linkUrl = Uri.UriSchemeMailto + Colon + linkText;
}
else if (string.Compare(linkText.Substring(0, 3), Uri.UriSchemeFtp, true, CultureInfo.InvariantCulture).Equals(0))
{
linkUrl = Uri.UriSchemeFtp + Uri.SchemeDelimiter + linkText;
}
else
{
linkUrl = Uri.UriSchemeHttp + Uri.SchemeDelimiter + linkText;
}
if (htmlLinkEvaluator != null)
{
var htmlLink = htmlLinkEvaluator(new HtmlLink(linkUrl, linkText));
linkUrl = htmlLink.Url;
linkText = htmlLink.Text;
if (!htmlLink.Attributes.Count.Equals(0))
{
linkAttributes = new StringBuilder();
foreach (string attribute in htmlLink.Attributes.Keys)
{
linkAttributes.AppendFormat(CultureInfo.InvariantCulture,
FormatAttribute,
attribute,
htmlLink.Attributes[attribute]);
}
}
}
return(string.Format(CultureInfo.InvariantCulture,
FormatReplaceUrl,
noFollow ? NoFollowAttribute : string.Empty,
linkAttributes,
linkUrl,
linkText));
}
public static string AutoHyperlinkHtml(string html, HtmlLinkEvaluator htmlLinkEvaluator) {
return AutoHyperlinkHtml(html, false, htmlLinkEvaluator);
}
public static string AutoHyperlinkText(string text, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator) {
return InformalUrlRegex.Replace(text, match => HyperlinkUrl(match.Value, noFollow, htmlLinkEvaluator));
}
public static string AutoHyperlinkText(string text, HtmlLinkEvaluator htmlLinkEvaluator) {
return AutoHyperlinkText(text, false, htmlLinkEvaluator);
}
private static string HyperlinkUrl(string url, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator) {
string linkText = url;
string linkUrl;
StringBuilder linkAttributes = null;
if(InformalUrlPrefixRegex.IsMatch(linkText)) {
linkUrl = linkText;
} else if(InformalUrlEmailRegex.IsMatch(linkText)) {
linkUrl = Uri.UriSchemeMailto + Colon + linkText;
} else if(string.Compare(linkText.Substring(0, 3), Uri.UriSchemeFtp, true, CultureInfo.InvariantCulture).Equals(0)) {
linkUrl = Uri.UriSchemeFtp + Uri.SchemeDelimiter + linkText;
} else {
linkUrl = Uri.UriSchemeHttp + Uri.SchemeDelimiter + linkText;
}
if(htmlLinkEvaluator != null) {
var htmlLink = htmlLinkEvaluator(new HtmlLink(linkUrl, linkText));
linkUrl = htmlLink.Url;
linkText = htmlLink.Text;
if(!htmlLink.Attributes.Count.Equals(0)) {
linkAttributes = new StringBuilder();
foreach(string attribute in htmlLink.Attributes.Keys) {
linkAttributes.AppendFormat(CultureInfo.InvariantCulture,
FormatAttribute,
attribute,
htmlLink.Attributes[attribute]);
}
}
}
return string.Format(CultureInfo.InvariantCulture,
FormatReplaceUrl,
noFollow ? NoFollowAttribute : string.Empty,
linkAttributes,
linkUrl,
linkText);
}
public static string AutoHyperlinkHtml(string html, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator) {
return FullATagOrTagOrInformalUrlRegex.Replace(html,
delegate(Match match) {
if(!FullATagOrTagRegex.IsMatch(match.Value)) {
return HyperlinkUrl(match.Value, noFollow, htmlLinkEvaluator);
}
return match.Value;
});
}
public static string AutoHyperlinkText(string text, bool noFollow, HtmlLinkEvaluator htmlLinkEvaluator)
{
return(InformalUrlRegex.Replace(text, match => HyperlinkUrl(match.Value, noFollow, htmlLinkEvaluator)));
}
public static string AutoHyperlinkText(string text, HtmlLinkEvaluator htmlLinkEvaluator)
{
return(AutoHyperlinkText(text, false, htmlLinkEvaluator));
}
public static string AutoHyperlinkHtml(string html, HtmlLinkEvaluator htmlLinkEvaluator)
{
return(AutoHyperlinkHtml(html, false, htmlLinkEvaluator));
}
