public bool NavigateTo(HelpUri uri)
{
if (uri.Type == HelpUriType.Command)
{
if (uri.Target == "!B")
{
if (history.Count >= 2)
{
history.RemoveAt(history.Count - 1);
ActiveTopic = history[history.Count - 1];
return(true);
}
}
return(false);
}
HelpTopic topic = system.ResolveUri(activeDatabase, uri);
if (topic == null)
{
if (uri.Type == HelpUriType.GlobalContext &&
system.FindDatabase(uri.DatabaseName) == null)
{
string fileName = FindFile(activeDatabase, uri.DatabaseName);
if (fileName != null)
{
LoadDatabases(fileName);
topic = system.ResolveUri(activeDatabase, uri);
}
}
}
if (topic != null)
{
ActiveTopic = topic;
return(true);
}
else
{
return(false);
}
}
static void Convert(string[] fileNames, bool isDryRun)
{
HelpSystem system = new HelpSystem();
BatchHtmlFormatter converter = new BatchHtmlFormatter(system);
foreach (string fileName in fileNames)
{
var decoder = new BinaryHelpDeserializer();
foreach (HelpDatabase database in decoder.LoadDatabases(fileName))
{
system.Databases.Add(database);
}
}
// export HTML
foreach (HelpDatabase database in system.Databases)
{
// TODO: check invalid chars in database name
string htmlPath = database.Name.Replace('.', '_');
Directory.CreateDirectory(htmlPath);
int topicIndex = 0;
foreach (HelpTopic topic in database.Topics)
{
string html = converter.FormatTopic(topic);
string htmlFileName = Path.Combine(htmlPath, string.Format("T{0:X4}.html", topicIndex));
if (!isDryRun)
{
using (StreamWriter writer = new StreamWriter(htmlFileName, false, Encoding.UTF8))
{
writer.Write(html);
}
}
topicIndex++;
}
// Create contents.html.
HelpTopic topic1 = system.ResolveUri(database, new HelpUri("h.contents"));
if (topic1 != null && topic1.Database == database)
{
if (!isDryRun)
{
using (StreamWriter writer = new StreamWriter(Path.Combine(htmlPath, "Contents.html")))
{
writer.WriteLine("<meta http-equiv=\"refresh\" content=\"0; url=T{0:X4}.html\">",
topic1.TopicIndex);
}
}
}
}
}
protected override string FormatUri(HelpTopic source, HelpUri uri)
{
switch (uri.Type)
{
case HelpUriType.Context:
case HelpUriType.GlobalContext:
case HelpUriType.LocalContext:
{
HelpTopic target = system.ResolveUri(source.Database, uri);
if (target != null)
{
if (target.Database == source.Database)
{
return(string.Format("T{0:X4}.html", target.TopicIndex));
}
else
{
return(string.Format("../{0}/T{1:X4}.html",
GetDatabasePath(target.Database),
target.TopicIndex));
}
}
else
{
Console.WriteLine("Warning: cannot resolve context string '{0}'", uri);
}
}
break;
case HelpUriType.LocalTopic:
return(string.Format("T{0:X4}.html", uri.TopicIndex));
case HelpUriType.Command:
case HelpUriType.File:
default:
// TODO: would be better if we have the source location.
Console.WriteLine("Warning: cannot convert link: {0}", uri);
break;
}
return("?" + uri.ToString());
}
