We doesn't modify member once getted, we can use const return

and const method.

Change-Id: I0f7465af74b1c9a546af45a0d1eea33c93537e0c
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

2 files changed, 10 insertions, 4 deletions

diff --git a/src/can/can-signals.cpp b/src/can/can-signals.cpp
index 2d2e7ea..00b6ee0 100644
--- a/src/can/can-signals.cpp
+++ b/src/can/can-signals.cpp
@@ -30,16 +30,21 @@ can_message_definition_t& can_signal_t::get_message()
 	return message_;
 }
 
-std::string& can_signal_t::get_generic_name()
+const std::string& can_signal_t::get_generic_name() const
 {
 	return generic_name_;
 }
 
-std::string can_signal_t::get_name()
+const std::string can_signal_t::get_name() const
 {
 	return prefix_ + "." + generic_name_;
 }
 
+const std::string& can_signal_t::get_prefix() const
+{
+	return prefix_;
+}
+
 uint8_t can_signal_t::get_bit_position() const
 {
 	return bit_position_;
diff --git a/src/can/can-signals.hpp b/src/can/can-signals.hpp
index 10403da..c1d07ee 100644
--- a/src/can/can-signals.hpp
+++ b/src/can/can-signals.hpp
@@ -110,8 +110,9 @@ private:
 
 public:
 	can_message_definition_t& get_message();
-	std::string& get_generic_name();
-	std::string get_name();
+	const std::string& get_generic_name() const;
+	const std::string get_name() const;
+	const std::string& get_prefix() const;
 	uint8_t get_bit_position() const;
 	uint8_t get_bit_size() const;
 	float get_factor() const;