From 153372211c242e539754680b5fe979e3be61ebfe Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 25 Sep 2013 14:54:46 +0300
Subject: [PATCH] Base config options directly on features

There are no standalone options anymore, so might as well streamline
things a bit.
---
 source/config.cpp        | 24 +++++++++++++-----------
 source/config.h          | 12 +++++-------
 source/feature.cpp       |  4 ++--
 source/feature.h         |  4 ++--
 source/sourcepackage.cpp | 12 ++++++------
 5 files changed, 28 insertions(+), 28 deletions(-)

diff --git a/source/config.cpp b/source/config.cpp
index 75784e3..69abe9d 100644
--- a/source/config.cpp
+++ b/source/config.cpp
@@ -16,12 +16,14 @@ Config::Config(SourcePackage &p):
 	changed(false)
 { }
 
-void Config::add_option(const string &n, const string &v, const string &d)
+const Config::Option &Config::add_option(const Feature &f)
 {
-	Option opt(n, v, d);
-	if(pending_options.count(n))
-		opt.value = pending_options[n];
-	options.insert(OptionMap::value_type(n, opt));
+	Option opt(f);
+	InputOptions::const_iterator i = pending_options.find(opt.name);
+	if(i!=pending_options.end())
+		opt.value = i->second;
+
+	return options.insert(OptionMap::value_type(opt.name, opt)).first->second;
 }
 
 bool Config::set_option(const string &opt, const string &val)
@@ -85,12 +87,12 @@ void Config::save() const
 }
 
 
-Config::Option::Option(const string &n, const string &v, const string &d):
-	name(n),
-	default_value(v),
-	description(d),
-	value(v)
-{ }
+Config::Option::Option(const Feature &f):
+	Feature(f),
+	value(default_value)
+{
+	name = "with_"+name;
+}
 
 
 Config::Loader::Loader(Config &c):
diff --git a/source/config.h b/source/config.h
index 9499775..1f7fa71 100644
--- a/source/config.h
+++ b/source/config.h
@@ -6,6 +6,7 @@
 #include <msp/datafile/loader.h>
 #include <msp/fs/path.h>
 #include <msp/time/timestamp.h>
+#include "feature.h"
 
 class SourcePackage;
 
@@ -17,14 +18,11 @@ class Config
 {
 public:
 	/** A single configuration option. */
-	struct Option
+	struct Option: public Feature
 	{
-		std::string name;
-		std::string default_value;
-		std::string description;
 		std::string value;
 
-		Option(const std::string &, const std::string &, const std::string &);
+		Option(const Feature &);
 	};
 
 	typedef std::map<std::string, Option> OptionMap;
@@ -48,8 +46,8 @@ private:
 public:
 	Config(SourcePackage &);
 
-	/** Adds a configuration option with name, default value and description. */
-	void add_option(const std::string &, const std::string &, const std::string &);
+	/** Adds a configuration option based on a feature. */
+	const Option &add_option(const Feature &);
 
 	bool set_option(const std::string &, const std::string &);
 
diff --git a/source/feature.cpp b/source/feature.cpp
index 5f0ea5f..a483482 100644
--- a/source/feature.cpp
+++ b/source/feature.cpp
@@ -3,6 +3,6 @@
 Feature::Loader::Loader(Feature &f):
 	Msp::DataFile::ObjectLoader<Feature>(f)
 {
-	add("description", &Feature::descr);
-	add("default",     &Feature::def_value);
+	add("description", &Feature::description);
+	add("default",     &Feature::default_value);
 }
diff --git a/source/feature.h b/source/feature.h
index 8d496b3..3c13a5a 100644
--- a/source/feature.h
+++ b/source/feature.h
@@ -12,8 +12,8 @@ struct Feature
 	};
 
 	std::string name;
-	std::string descr;
-	std::string def_value;
+	std::string description;
+	std::string default_value;
 
 	Feature(const std::string &n): name(n) { }
 };
diff --git a/source/sourcepackage.cpp b/source/sourcepackage.cpp
index e5a2fa7..515841d 100644
--- a/source/sourcepackage.cpp
+++ b/source/sourcepackage.cpp
@@ -188,17 +188,17 @@ void SourcePackage::Loader::finish()
 void SourcePackage::Loader::feature(const string &n, const string &d)
 {
 	Feature feat(n);
-	feat.descr = d;
-	feat.def_value = "no";
+	feat.description = d;
+	feat.default_value = "no";
 	load_sub(feat);
 	obj.features.push_back(feat);
-	string config_key = "with_"+feat.name;
-	obj.config.add_option(config_key, feat.def_value, feat.descr);
+
+	const Config::Option &opt = obj.config.add_option(feat);
 	if(options)
 	{
-		Config::InputOptions::const_iterator i = options->find(config_key);
+		Config::InputOptions::const_iterator i = options->find(opt.name);
 		if(i!=options->end())
-			obj.config.set_option(config_key, i->second);
+			obj.config.set_option(opt.name, i->second);
 	}
 }
 
-- 
2.43.0