refactor file browser

1 files changed, 19 insertions, 2 deletions

diff --git a/lib/nes/common/path-builder.hh b/lib/nes/common/path-builder.hh
index b64fb28..e7980ea 100644
--- a/lib/nes/common/path-builder.hh
+++ b/lib/nes/common/path-builder.hh
@@ -3,6 +3,7 @@
 #include "nes/common/types.hh"
 #include "nes/common/span.hh"
 #include "nes/common/path-view.hh"
+#include "nes/common/status.hh"
 #include <string_view>
 
 namespace nes
@@ -10,6 +11,9 @@ namespace nes
 	/// A mutable path with a fixed-length buffer.
 	class path_builder
 	{
+		template<u32 Capacity>
+		friend class path_buffer;
+
 		span<char> buffer_;
 		u32 length_{ 0 };
 
@@ -19,8 +23,8 @@ namespace nes
 		auto get_components() const -> path_view { return path_view{ get_path() }; }
 		auto get_path() const -> std::string_view { return std::string_view{ buffer_.get_data(), length_ }; }
 
-		auto push(std::string_view) -> bool;
-		auto pop() -> bool;
+		auto push(std::string_view) -> status;
+		auto pop() -> status;
 	};
 
 	/// A path builder with a buffer embedded into it.
@@ -34,5 +38,18 @@ namespace nes
 			: path_builder{ buffer_ }
 		{
 		}
+
+		path_buffer(path_buffer const& other)
+			: path_builder{ buffer_ }
+		{
+			std::copy_n(other.buffer_, Capacity, buffer_);
+			length_ = other.length_;
+		}
+
+		auto operator=(path_buffer const& other)
+		{
+			std::copy_n(other.buffer_, Capacity, buffer_);
+			length_ = other.length_;
+		}
 	};
 } // namespace nes
\ No newline at end of file