/// <summary>
/// Syntax $$Run-Plugin::PluginName['arg1', 'arg2', 'argN']
/// </summary>
public static JObject ResolvePluginExpressions(this JObject json, ref int warnings)
{
var expressionRegex = new Regex(@"(?<expression>\$\$Run-Plugin::(?<name>[^\[]*)\[(?<arguments>[^\]]*)\])", RegexOptions.Compiled);
var pluginExpressions = expressionRegex.Matches(json.ToString()).Cast<Match>()
.Select((m) => new
{
Expression = m.Groups["expression"].Value,
Name = m.Groups["name"].Value,
//Arguments = m.Groups["arguments"].Value
Arguments = Regex.Unescape(m.Groups["arguments"].Value)
.Split(',') // do not use StringSplitOptions.RemoveEmptyEntries
.Select((a) => a.Trim(new[] { ' ', '\'' }))
.ToArray()
})
.Distinct()
.ToList();
#region Print debug expressions
_logger.Debug("Plugin expressions found '{0}'", pluginExpressions.Count);
foreach (var plugin in pluginExpressions)
{
_logger.Debug("\tExpression '{0}'", plugin.Expression);
_logger.Debug("\t\tPlugin '{0}'", plugin.Name);
foreach (var argument in plugin.Arguments)
_logger.Debug("\t\tArgument '{0}'", argument);
}
#endregion
_logger.Info("Collecting plugins");
using (var collector = new PluginCollector())
{
_logger.Info("Plugins found '{0}'", collector.Plugins.Count);
foreach (var plugin in collector.Plugins)
_logger.Debug($"\tPlugin '{ plugin.Name }' - '{ plugin.Version }' - '{ plugin.Description }'");
string resolvedJson = json.ToString();
foreach (var expression in pluginExpressions)
{
var plugin = collector.Plugins.SingleOrDefault((p) => p.Name.Equals(expression.Name, StringComparison.InvariantCultureIgnoreCase));
if (plugin == null)
{
_logger.Warn("Plugin not found for expression '{0}'", expression.Expression);
warnings++;
continue;
}
dynamic pluginResult;
#region Execute plugin
_logger.Info("Executing plugin '{0}' - '{1}' - '{2}'", plugin.Name, plugin.Version, plugin.Description);
plugin.Initialize(_logger.Factory);
try
{
if (plugin is IMetadataCompilerPlugin)
{
pluginResult = (plugin as IMetadataCompilerPlugin).Compile(expression.Arguments);
}
else
{
throw new ApplicationException(string.Format("Plugin interface unidentified for expression '{0}'", expression.Expression));
}
}
finally
{
plugin.Shutdown();
}
#endregion
_logger.Debug("Resolved plugin expression type is '{0}' => '{1}'", pluginResult.GetType(), pluginResult);
var replaceExpression = expression.Expression;
// Add beginning and trailing quotes, since we're replacing a json value fragment with raw string json object.
if (!(pluginResult is JValue))
replaceExpression = "\"" + expression.Expression + "\"";
//resolvedJson = resolvedJson.Replace(replaceExpression, pluginResult.ToString().Replace("\\\\", "\\"));
resolvedJson = resolvedJson.Replace(replaceExpression, pluginResult.ToString());
}
_logger.Info("Parsing resolved plugin metadata");
_logger.Debug(resolvedJson);
return JObject.Parse(resolvedJson);
}
}
private static int Plugins(PluginsOptions pluginsOptions)
{
if (pluginsOptions.Action.ToLower() == "list")
{
PluginCollector collector = new PluginCollector();
_logger.Info("Plugins found: {0}", collector.Plugins.Count);
foreach (var plugin in collector.Plugins)
{
_logger.Info("- {0} v.{1}: {2}", plugin.Name, plugin.Version, plugin.Description);
}
}
if (pluginsOptions.Action.ToLower() == "help")
{
PluginCollector collector = new PluginCollector();
var plugin = collector.Plugins.SingleOrDefault((p) => p.Name.Equals(pluginsOptions.PluginName, StringComparison.InvariantCultureIgnoreCase));
if (plugin != null)
{
plugin.Initialize(_logger.Factory);
_logger.Info("{0} v.{1}", plugin.Name, plugin.Version);
_logger.Info("by {0}", plugin.Author);
_logger.Info(plugin.Description);
_logger.Info(plugin.Help);
plugin.Shutdown();
}
_logger.Warn(ErrorArgumentVerbNotImplemented);
}
return 0;
}