From aec68e777395d7dbecd9003838353cdfdb888928 Mon Sep 17 00:00:00 2001
From: randomdan <randomdan@localhost>
Date: Sat, 30 Nov 2013 17:11:13 +0000
Subject: Support for options registering new options sources

---
 project2/common/optionsSource.cpp | 10 ++++++++--
 project2/files/optionsSource.cpp  | 25 ++++++++++++++++++-------
 project2/files/optionsSource.h    |  6 +++++-
 3 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/project2/common/optionsSource.cpp b/project2/common/optionsSource.cpp
index ef755c1..0f24f9e 100644
--- a/project2/common/optionsSource.cpp
+++ b/project2/common/optionsSource.cpp
@@ -26,8 +26,14 @@ OptionsSource::loadSources(const Options::CurrentPlatform & platform)
 		InstanceSet<Options>::OnAll(boost::bind(&Options::reset, _1));
 
 		DefaultConfigConsumer dcc;
-		BOOST_FOREACH(const auto & c, configs) {
-			c->loadInto(dcc, platform);
+		std::set<boost::shared_ptr<OptionsSource>> loadedConfigs;
+		while (loadedConfigs.size() != configs.size()) {
+			BOOST_FOREACH(const auto & c, configs) {
+				if (loadedConfigs.find(c) == loadedConfigs.end()) {
+					c->loadInto(dcc, platform);
+					loadedConfigs.insert(c);
+				}
+			}
 		}
 		Plugable::onAllComponents(boost::bind(&ComponentLoader::onConfigLoad, _1));
 		
diff --git a/project2/files/optionsSource.cpp b/project2/files/optionsSource.cpp
index 437eaf4..bb8c549 100644
--- a/project2/files/optionsSource.cpp
+++ b/project2/files/optionsSource.cpp
@@ -5,12 +5,6 @@
 #include <glibmm/fileutils.h>
 #include <boost/algorithm/string/trim.hpp>
 
-FileOptions::FileOptions() :
-	file(".p2config"),
-	loadedAt(0)
-{
-}
-
 FileOptions::FileOptions(const Glib::ustring & f) :
 	file(f),
 	loadedAt(0)
@@ -75,6 +69,23 @@ FileOptions::needReload() const
 	return (loadedAt != st.st_mtime);
 }
 
+FileOptions::ExtraFileOptions FileOptions::extraFileOptions;
+
 // Z... process last :)
-DECLARE_OPTIONSSOURCE("Z_configfile", new FileOptions())
+DECLARE_OPTIONSSOURCE("Z_configfile", new FileOptions(".p2config"))
 
+DECLARE_OPTIONS(FileOptions, "File Options options")
+("file.options.read", Options::functions(
+	[](const VariableType & vt) {
+		auto fo = new FileOptions(vt);
+		extraFileOptions[vt] = boost::shared_ptr<FileOptions>(fo);
+		OptionsSources::Add(vt, fo);
+	},
+	[]() {
+		BOOST_FOREACH(const auto & fo, extraFileOptions) {
+			OptionsSources::Remove(fo.first);
+		}
+		extraFileOptions.clear();
+	}),
+ "Path of options file(s) to read")
+END_OPTIONS(FileOptions);
diff --git a/project2/files/optionsSource.h b/project2/files/optionsSource.h
index e1de4b9..6f25459 100644
--- a/project2/files/optionsSource.h
+++ b/project2/files/optionsSource.h
@@ -2,18 +2,22 @@
 #define FILES_OPTIONSSOURCE_H
 
 #include "../common/optionsSource.h"
+#include "../common/options.h"
 
 class FileOptions : public OptionsSource {
 	public:
-		FileOptions();
 		FileOptions(const Glib::ustring & file);
 
 		void loadInto(const ConfigConsumer & consume, const Options::CurrentPlatform & platform) const;
 		bool needReload() const;
 
+		INITOPTIONS;
 	private:
 		const Glib::ustring file;
 		mutable time_t loadedAt;
+
+		typedef std::map<std::string, boost::shared_ptr<FileOptions>> ExtraFileOptions;
+		static ExtraFileOptions extraFileOptions;
 };
 
 #endif
-- 
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