screwturn.keywords.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ScrewTurn.Wiki.PluginFramework;
using ScrewTurn.Wiki;
using System.Text.RegularExpressions;

namespace DevCentral.ScrewTurnProviders
{
    public class KeywordPlugin : IFormatterProviderV30
    {

        private static readonly ComponentInformation _info = new ComponentInformation("ListPagesWithGivenKeyword"
            , "DevCentral"
            , "1.0.0.0"
            , "http://devcentral.f5.com"
            , "http://devcentral.f5.com");

        private static readonly Regex _customTagRegex = new Regex(@"{listpageswithkeyword key=(?<keyword>(.+?))}",
                                                                 RegexOptions.Compiled | RegexOptions.Singleline |
                                                                 RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);

        public int ExecutionPriority
        {
            get { return 50; }
        }

        public string Format(string raw, ContextInformation context, FormattingPhase phase)
        {

            var matches = _customTagRegex.Matches(raw);
            if (matches != null || matches.Count == 0) return raw;
            var buffer = new StringBuilder(raw);
            var pages = Pages.GetPages(Tools.DetectCurrentNamespaceInfo());
            foreach (Match match in matches) {
                var sb = new StringBuilder();
                string keywordToMatch = match.Groups["keyword"].Value;
                sb.Append("<ul>");
                foreach (PageInfo p in pages) {
                        var content = p.Provider.GetContent(p);
                        if (content.Keywords.Contains(keywordToMatch)) {
                            sb.Append(@"<li><a href=""");
                            UrlTools.BuildUrl(sb, Tools.UrlEncode(p.FullName), Settings.PageExtension);
                            sb.Append(@""">");
                            sb.Append(content.Title);
                            sb.Append("</a> - ");
                            sb.Append(content.Description);
                            sb.Append("</li>");
                        }
                }
                sb.Append("</ul>");
                buffer.Remove(match.Index, match.Value.Length);
                buffer.Insert(match.Index, sb.ToString());
            }

            /* Get namespace and categories */

            return buffer.ToString();
        }

        
        public bool PerformPhase1
        {
            get { return false; }
        }

        public bool PerformPhase2
        {
            get { return true; }
        }

        public bool PerformPhase3
        {
            get { return false; }
        }

        public string PrepareTitle(string title, ContextInformation context)
        {
            return title;
        }

        public string ConfigHelpHtml
        {
            get { return null; }
        }

        public ComponentInformation Information
        {
            get { return _info; }
        }

        public void Init(IHostV30 host, string config)
        {
            //do nothing
        }

        public void Shutdown()
        {
            //do nothing
        }
    }
}