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- Moved commands outside TechBot.Library to TechBot.Commands.Common and TechBot.Commands.MSDN except for Command base classes
- Made TechBot more configurable through .config files - Code refactoring - Removed automatic parameter parsing support to make everyone happy svn path=/trunk/; revision=33586
This commit is contained in:
Marc Piulachs
parent
6d51a10a1b
commit
ac77d9d3a6
47 changed files with 1783 additions and 489 deletions
310
irc/TechBot/TechBot.Commands.MSDN/ApiCommand.cs
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310
irc/TechBot/TechBot.Commands.MSDN/ApiCommand.cs
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using System;
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using System.IO;
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using System.Data;
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using System.Text.RegularExpressions;
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using HtmlHelp;
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using HtmlHelp.ChmDecoding;
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using TechBot.Library;
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namespace TechBot.Commands.MSDN
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{
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[Command("api", Help = "!api <apiname>")]
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public class ApiCommand : Command
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{
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private bool IsVerbose = false;
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private HtmlHelpSystem chm;
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private string name;
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public ApiCommand()
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{
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Run();
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}
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[CommandParameter("api", "The API name")]
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public string API
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{
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get { return Parameters; }
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set { Parameters = value; }
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}
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private void WriteIfVerbose(string message)
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{
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if (IsVerbose)
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Say(message);
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}
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private void Run()
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{
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string CHMFilename = Path.Combine(Settings.Default.ChmPath, Settings.Default.MainChm);
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chm = new HtmlHelpSystem();
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chm.OpenFile(CHMFilename, null);
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Console.WriteLine(String.Format("Loaded main CHM: {0}",
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Path.GetFileName(CHMFilename)));
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foreach (string filename in Directory.GetFiles(Settings.Default.ChmPath))
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{
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if (!Path.GetExtension(filename).ToLower().Equals(".chm"))
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continue;
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if (Path.GetFileName(filename).ToLower().Equals(Settings.Default.MainChm))
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continue;
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Console.WriteLine(String.Format("Loading CHM: {0}",
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Path.GetFileName(filename)));
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try
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{
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chm.MergeFile(filename);
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}
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catch (Exception ex)
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{
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Console.WriteLine(String.Format("Could not load CHM: {0}. Exception {1}",
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Path.GetFileName(filename),
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ex));
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}
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}
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Console.WriteLine(String.Format("Loaded {0} CHMs",
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chm.FileList.Length));
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}
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public override void ExecuteCommand()
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{
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if (Name.Trim().Equals(String.Empty))
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{
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Say("Please give me a keyword.");
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}
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else
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{
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Search(Name);
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}
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}
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private bool SearchIndex(
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string keyword)
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{
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if (chm.HasIndex)
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{
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IndexItem item = chm.Index.SearchIndex(keyword,
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IndexType.KeywordLinks);
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if (item != null && item.Topics.Count > 0)
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{
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WriteIfVerbose(String.Format("Keyword {0} found in index",
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item.KeyWord));
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IndexTopic indexTopic = item.Topics[0] as IndexTopic;
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return DisplayResult( keyword,
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indexTopic);
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}
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else
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{
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WriteIfVerbose(String.Format("Keyword {0} not found in index",
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keyword));
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return false;
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}
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}
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else
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return false;
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}
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private void SearchFullText(string keyword)
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{
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string sort = "Rating ASC";
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WriteIfVerbose(String.Format("Searching fulltext database for {0}",
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keyword));
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bool partialMatches = false;
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bool titlesOnly = true;
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int maxResults = 100;
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DataTable results = chm.PerformSearch(keyword,
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maxResults,
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partialMatches,
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titlesOnly);
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WriteIfVerbose(String.Format("results.Rows.Count = {0}",
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results != null ?
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results.Rows.Count.ToString() : "(none)"));
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if (results != null && results.Rows.Count > 0)
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{
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results.DefaultView.Sort = sort;
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if (!DisplayResult(keyword,
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results))
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{
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Say("No result");
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}
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}
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else
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{
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Say("No result");
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}
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}
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private void Search(string keyword)
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{
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if (!SearchIndex(keyword))
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SearchFullText(keyword);
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}
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private bool DisplayResult(string keyword,
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IndexTopic indexTopic)
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{
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keyword = keyword.Trim().ToLower();
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string url = indexTopic.URL;
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WriteIfVerbose(String.Format("URL from index search {0}",
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url));
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string prototype = ExtractPrototype(url);
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if (prototype == null || prototype.Trim().Equals(String.Empty))
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return false;
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string formattedPrototype = FormatPrototype(prototype);
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Say(formattedPrototype);
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return true;
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}
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private bool DisplayResult(string keyword,
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DataTable results)
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{
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keyword = keyword.Trim().ToLower();
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for (int i = 0; i < results.DefaultView.Count; i++)
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{
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DataRowView row = results.DefaultView[i];
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string title = row["Title"].ToString();
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WriteIfVerbose(String.Format("Examining {0}", title));
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if (title.Trim().ToLower().Equals(keyword))
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{
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string location = row["Location"].ToString();
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string rating = row["Rating"].ToString();
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string url = row["Url"].ToString();
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string prototype = ExtractPrototype(url);
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if (prototype == null || prototype.Trim().Equals(String.Empty))
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continue;
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string formattedPrototype = FormatPrototype(prototype);
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Say(formattedPrototype);
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return true;
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}
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}
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return false;
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}
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private void DisplayNoResult(MessageContext context,
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string keyword)
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{
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TechBot.ServiceOutput.WriteLine(context,
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String.Format("I don't know about keyword {0}",
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keyword));
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}
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private string ReplaceComments(string s)
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{
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return Regex.Replace(s, "//(.+)\r\n", "");
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}
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private string ReplaceLineEndings(string s)
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{
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return Regex.Replace(s, "(\r\n)+", " ");
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}
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private string ReplaceSpaces(string s)
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{
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return Regex.Replace(s, @" +", " ");
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}
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private string ReplaceSpacesBeforeLeftParenthesis(string s)
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{
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return Regex.Replace(s, @"\( ", @"(");
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}
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private string ReplaceSpacesBeforeRightParenthesis(string s)
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{
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return Regex.Replace(s, @" \)", @")");
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}
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private string ReplaceSemicolon(string s)
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{
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return Regex.Replace(s, @";", @"");
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}
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private string FormatPrototype(string prototype)
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{
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string s = ReplaceComments(prototype);
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s = ReplaceLineEndings(s);
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s = ReplaceSpaces(s);
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s = ReplaceSpacesBeforeLeftParenthesis(s);
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s = ReplaceSpacesBeforeRightParenthesis(s);
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s = ReplaceSemicolon(s);
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return s;
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}
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private string ExtractPrototype(string url)
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{
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string page = GetPage(url);
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Match match = Regex.Match(page,
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"<PRE class=\"?syntax\"?>(.+)</PRE>",
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RegexOptions.Multiline |
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RegexOptions.Singleline);
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if (match.Groups.Count > 1)
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{
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string prototype = match.Groups[1].ToString();
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return StripHtml(StripAfterSlashPre(prototype));
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}
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return "";
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}
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private string StripAfterSlashPre(string html)
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{
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int index = html.IndexOf("</PRE>");
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if (index != -1)
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{
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return html.Substring(0, index);
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}
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else
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return html;
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}
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private string StripHtml(string html)
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{
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return Regex.Replace(html, @"<(.|\n)*?>", String.Empty);
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}
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private string GetPage(string url)
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{
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string CHMFileName = "";
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string topicName = "";
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string anchor = "";
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CHMStream.CHMStream baseStream;
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if (!chm.BaseStream.GetCHMParts(url, ref CHMFileName, ref topicName, ref anchor))
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{
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baseStream = chm.BaseStream;
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CHMFileName = baseStream.CHMFileName;
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topicName = url;
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anchor = "";
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}
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else
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{
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baseStream = GetBaseStreamFromCHMFileName(CHMFileName);
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}
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if ((topicName == "") || (CHMFileName == "") || (baseStream == null))
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{
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return "";
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}
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return baseStream.ExtractTextFile(topicName);
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}
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private CHMStream.CHMStream GetBaseStreamFromCHMFileName(string CHMFileName)
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{
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foreach (CHMFile file in chm.FileList)
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{
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WriteIfVerbose(String.Format("Compare: {0} <> {1}",
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file.ChmFilePath,
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CHMFileName));
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if (file.ChmFilePath.ToLower().Equals(CHMFileName.ToLower()))
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{
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return file.BaseStream;
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}
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}
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WriteIfVerbose(String.Format("Could not find loaded CHM file in list: {0}",
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CHMFileName));
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return null;
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}
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}
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}
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