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//
// A provider to display man pages
//
// Authors:
// Johannes Roith <johannes@roith.de>
// Jonathan Pryor <jpryor@novell.com>
//
// (C) 2008 Novell, Inc.
using System;
using System.IO;
using System.Text;
using System.Xml;
using System.Linq;
using System.Collections.Generic;
namespace Monodoc.Providers
{
public class ManProvider : Provider
{
string[] tocFiles;
public ManProvider (string[] handbookTocFiles)
{
tocFiles = handbookTocFiles;
// huh...
if (!File.Exists (tocFiles[0]))
throw new FileNotFoundException (String.Format ("The table of contents, `{0}' does not exist", tocFiles[0]));
}
public override void PopulateTree (Tree tree)
{
foreach(string TocFile in tocFiles) {
XmlDocument doc = new XmlDocument();
doc.Load (TocFile);
XmlNodeList nodeList = doc.GetElementsByTagName("manpage");
Node nodeToAddChildrenTo = tree.RootNode;
var storage = nodeToAddChildrenTo.Tree.HelpSource.Storage;
foreach (XmlNode node in nodeList) {
XmlAttribute name = node.Attributes["name"];
XmlAttribute page = node.Attributes["page"];
if (name == null || page == null) continue;
if (!File.Exists (page.Value))
continue;
string target = "man:" + name.Value;
nodeToAddChildrenTo.CreateNode (name.Value, target);
if (File.Exists (page.Value))
using (var file = File.OpenRead (page.Value))
storage.Store (name.Value, file);
}
}
}
public override void CloseTree (HelpSource hs, Tree tree)
{
}
}
public class ManHelpSource : HelpSource
{
const string ManPrefix = "man:";
Dictionary<string, Node> nodesMap;
public ManHelpSource (string base_file, bool create) : base (base_file, create)
{
nodesMap = Tree.RootNode.ChildNodes.ToDictionary (n => n.Element);
}
// Since man always has a flat tree and rather small amount of item
// we store them in a dictionary
public override Node MatchNode (string url)
{
Node result;
return nodesMap.TryGetValue (url, out result) ? result : null;
}
public override DocumentType GetDocumentTypeForId (string id)
{
return id == "root:" ? DocumentType.TocXml : DocumentType.Man;
}
public override bool IsGeneratedContent (string id)
{
return id == "root:";
}
public override string GetText (string url)
{
return TreeDumper.ExportToTocXml (Tree.RootNode, "Mono Documentation Library", "Available man pages:");
}
protected override string UriPrefix {
get {
return ManPrefix;
}
}
}
}
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