/// <summary>
/// Configures the environment to load the plugin manager and verify we
/// have access to our plugin and projectPlugin.
/// </summary>
private void SetupPlugin(
out BlockCommandContext context,
out ProjectBlockCollection blocks,
out BlockCommandSupervisor commands,
out PluginSupervisor plugins,
out SpellEngineSpellingProjectPlugin projectPlugin)
{
// Start getting us a simple plugin manager.
var spelling = new SpellingFrameworkPlugin();
var nhunspell = new HunspellSpellingPlugin();
var pluginManager = new PluginManager(spelling, nhunspell);
PluginManager.Instance = pluginManager;
// Create a project and pull out the useful properties we'll use to
// make changes.
var project = new Project();
context = new BlockCommandContext(project);
blocks = project.Blocks;
commands = project.Commands;
plugins = project.Plugins;
// Load in the immediate correction editor.
if (!plugins.Add("Spelling Framework"))
{
// We couldn't load it for some reason.
throw new ApplicationException("Cannot load 'Spelling' plugin.");
}
if (!plugins.Add("NHunspell"))
{
// We couldn't load it for some reason.
throw new ApplicationException("Cannot load 'NHunspell' plugin.");
}
// Pull out the projectPlugin for the correction and cast it (since we know
// what type it is).
ProjectPluginController pluginController = plugins.Controllers[1];
projectPlugin =
(SpellEngineSpellingProjectPlugin) pluginController.ProjectPlugin;
}
public HunspellSpellingPlugin()
{
// Set up the spell engine for multi-threaded access.
SpellEngine = new SpellEngine();
// Assume we are disabled unless we can configure it properly.
projectPlugin = new DisabledSpellingProjectPlugin();
// Figure out the paths to the dictionary files. For the time being,
// we're going to assume we're using U.S. English.
string affixFilename;
string dictionaryFilename;
if (!GetDictionaryPaths("en_US", out affixFilename, out dictionaryFilename))
{
// We couldn't get the dictionary paths, so just stick with the
// disabled spelling plugin.
return;
}
// Attempt to load the NHunspell plugin. This is a high-quality
// plugin based on Managed C++. This works nicely in Windows, but
// has no support for Linux.
try
{
// Attempt to load the U.S. English language. This will throw
// an exception if it cannot load. If it does, then we use it.
var englishUnitedStates = new LanguageConfig
{
LanguageCode = "en_US",
HunspellAffFile = affixFilename,
HunspellDictFile = dictionaryFilename,
HunspellKey = string.Empty
};
SpellEngine.AddLanguage(englishUnitedStates);
// If we got this far, set the project plugin to the one that
// uses the SpellEngine from NHunspell.
projectPlugin = new SpellEngineSpellingProjectPlugin(this);
return;
}
catch (Exception exception)
{
// Report that we can't load the first attempt.
Console.WriteLine("Cannot load NHunspell: " + exception);
}
// If we got this far, we couldn't load the NHunspell plugin.
// Attempt to load in the PInvoke implementation instead.
try
{
// Create a new Hunspell P/Invoke loader.
var pinvokePlugin = new PInvokeSpellingProjectPlugin(
affixFilename, dictionaryFilename);
projectPlugin = pinvokePlugin;
}
catch (Exception exception)
{
// Report that we can't load the first attempt.
Console.WriteLine("Cannot load NHunspell via P/Invoke: " + exception);
}
}