public static string LinkToTag(Context context, object input, Tag tag)
{
var field = tag.Field;
var tagName = tag.Label;
var val = tag.Value;
var count = tag.Count;
var relativeUri = HttpContext.Current.Request.Url;
var url = UpdateWithTags(context, relativeUri, String.Format("{0}_{1}", field, val));
return String.Format(
"<a title=\"Show products matching tag {1}\" href=\"{0}\">{1}{2}</a>",
url,
tagName,
count == 0 ? "" : String.Format(" ({0})", count));
}
protected override void Parse(List <string> tokens)
{
NodeList = NodeList ?? new List <object>();
NodeList.Clear();
string token;
while ((token = tokens.Shift()) != null)
{
Match isTagMatch = IsTag.Match(token);
if (isTagMatch.Success)
{
Match fullTokenMatch = FullToken.Match(token);
if (fullTokenMatch.Success)
{
// If we found the proper block delimitor just end parsing here and let the outer block
// proceed
if (BlockDelimiter == fullTokenMatch.Groups[1].Value)
{
EndTag();
return;
}
// Fetch the tag from registered blocks
Type tagType;
if ((tagType = Template.GetTagType(fullTokenMatch.Groups[1].Value)) != null)
{
Tag tag = (Tag)Activator.CreateInstance(tagType);
tag.Initialize(fullTokenMatch.Groups[1].Value, fullTokenMatch.Groups[2].Value, tokens);
NodeList.Add(tag);
// If the tag has some rules (eg: it must occur once) then check for them
tag.AssertTagRulesViolation(NodeList);
}
else
{
// This tag is not registered with the system
// pass it to the current block for special handling or error reporting
UnknownTag(fullTokenMatch.Groups[1].Value, fullTokenMatch.Groups[2].Value, tokens);
}
}
else
{
throw new SyntaxException(Liquid.ResourceManager.GetString("BlockTagNotTerminatedException"), token, Liquid.TagEnd);
}
}
else if (IsVariable.Match(token).Success)
{
NodeList.Add(CreateVariable(token));
}
else if (token == string.Empty)
{
// Pass
}
else
{
NodeList.Add(token);
}
}
// Make sure that its ok to end parsing in the current block.
// Effectively this method will throw an exception unless the current block is
// of type Document
AssertMissingDelimitation();
}