From: Martin Ling <redacted>
Date: Sat, 6 Sep 2014 12:08:51 +0000 (+0100)
Subject: C++: Add Configurable::config_keys() method.
X-Git-Tag: libsigrok-0.4.0~1026
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=d54190a3631250f23c51cd73770e9cfdd9076fe8

C++: Add Configurable::config_keys() method.
---

diff --git a/bindings/cxx/classes.cpp b/bindings/cxx/classes.cpp
index f00ff760..68124b5a 100644
--- a/bindings/cxx/classes.cpp
+++ b/bindings/cxx/classes.cpp
@@ -358,6 +358,28 @@ Glib::VariantContainerBase Configurable::config_list(const ConfigKey *key)
 	return Glib::VariantContainerBase(data);
 }
 
+vector<const ConfigKey *> Configurable::config_keys(const ConfigKey *key)
+{
+	GVariant *gvar_opts;
+	gsize num_opts;
+	const int32_t *opts;
+	vector<const ConfigKey *> result;
+
+	check(sr_config_list(
+		config_driver, config_sdi, config_channel_group,
+		key->get_id(), &gvar_opts));
+
+	opts = (const int32_t *) g_variant_get_fixed_array(
+		gvar_opts, &num_opts, sizeof(int32_t));
+
+	for (gsize i = 0; i < num_opts; i++)
+		result.push_back(ConfigKey::get(opts[i]));
+
+	g_variant_unref(gvar_opts);
+
+	return result;
+}
+
 Device::Device(struct sr_dev_inst *structure) :
 	Configurable(structure->driver, structure, NULL),
 	structure(structure)
diff --git a/bindings/cxx/include/libsigrok/libsigrok.hpp b/bindings/cxx/include/libsigrok/libsigrok.hpp
index 557b08d1..637daf91 100644
--- a/bindings/cxx/include/libsigrok/libsigrok.hpp
+++ b/bindings/cxx/include/libsigrok/libsigrok.hpp
@@ -295,6 +295,8 @@ public:
 	/** Enumerate available values for the given configuration key.
 	 * @param key ConfigKey to enumerate values for. */
 	Glib::VariantContainerBase config_list(const ConfigKey *key);
+	/** Enumerate available keys, according to a given index key. */
+	vector<const ConfigKey *> config_keys(const ConfigKey *key);
 protected:
 	Configurable(
 		struct sr_dev_driver *driver,