// // FilterChm.cs : Trivial implementation of a CHM filter. // // Copyright (C) 2005,2006 Miguel Cabrera // // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // using System; using System.Collections; using System.IO; using System.Text; using HtmlAgilityPack; using Beagle.Util; using Beagle.Daemon; namespace Beagle.Filters { public class FilterChm : FilterHtml { ChmFile chmFile; public FilterChm () : base() { RegisterSupportedTypes (); SnippetMode = true; } override protected void DoOpen (FileInfo info) { chmFile = new ChmFile (); try { chmFile.Load(info.FullName); } catch (Exception e) { Logger.Log.Warn (e, "Could not load {0}:", info.Name); Finished (); return; } chmFile.ParseContents (FilterFileContents); } public void FilterFileContents(TextReader text) { HtmlDocument doc = new HtmlDocument (); doc.StreamMode = true; doc.ReportNode += HandleNodeEvent; try { doc.Load (text); } catch (Exception e) { Logger.Log.Warn (e, "Error parsing file contents"); //Console.WriteLine (e.Message); //Console.WriteLine (e.StackTrace); } } override protected void DoPullProperties() { if(chmFile.Title != "") AddProperty (Beagle.Property.New ("dc:title", chmFile.Title)); } override protected void DoPull() { Finished (); } override protected void DoClose() { chmFile.Dispose (); } override protected void RegisterSupportedTypes() { AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/x-chm")); } } }