c++,core: Added an error category get function

2 files changed, 25 insertions, 1 deletions

diff --git a/src/core/error.cpp b/src/core/error.cpp
index e777c84..52af76f 100644
--- a/src/core/error.cpp
+++ b/src/core/error.cpp
@@ -15,6 +15,17 @@ error::error(error &&error)
 	, is_critical_{std::move(error.is_critical_)}
 	, error_message_{std::move(error.error_message_)}{}
 
+const std::string_view error::get_category() const {
+	auto& reg = impl::get_error_registry();
+
+	auto eov = reg.search_error_category(error_code_);
+	SAW_ASSERT(eov.is_value()){
+		return "Error category not found. Report this error to the forstio maintainer";
+	}
+
+	return eov.get_value();
+}
+
 const std::string_view error::get_message() const {
 	return std::visit(
 		[this](auto &&arg) -> const std::string_view {
@@ -93,6 +104,14 @@ error_registry::error_registry():
 	}
 {}
 
+error_or<const std::string_view> error_registry::search_category(const error::code& id) const {
+	if(infos_.size() >= id){
+		return make_error<err::not_found>();
+	}
+
+	return infos_.at(id).description;
+}
+
 error_or<error::code> error_registry::search_id(const std::string_view& desc)const{
 	/**
 	 * Search the index in the vector
diff --git a/src/core/error.h b/src/core/error.h
index d057877..e816734 100644
--- a/src/core/error.h
+++ b/src/core/error.h
@@ -35,6 +35,9 @@ public:
 	error &operator=(error &&) = default;
 
 	const std::string_view get_message() const;
+
+	const std::string_view get_category() const;
+
 	bool failed() const;
 
 	bool is_critical() const;
@@ -73,6 +76,8 @@ public:
 	SAW_FORBID_COPY(error_registry);
 	SAW_FORBID_MOVE(error_registry);
 
+	error_or<const std::string_view> search_category(const error::code& id) const;
+
 	error_or<error::code> search_id(const std::string_view& desc) const;
 
 	error_or<error::code> search_or_register_id(const std::string_view& desc, bool is_critical);
@@ -131,7 +136,7 @@ struct critical {
 };
 
 struct buffer_exhausted {
-	static constexpr std::string_view description = "Buffer is too small";
+	static constexpr std::string_view description = "Buffer Exhausted";
 	static constexpr bool is_critical = false;
 };