Improve code

src/Tools/psxcdgen_ex/src/main.rs

@@ -20,9 +20,9 @@ fn populate() -> Result<CDDesc, Error> {
         folder
     };
 
-    desc.root.borrow_mut().add_dir(folder);
-    desc.root.borrow_mut().add_file(file);
-    desc.root.borrow_mut().add_file(file2);
+    desc.add_dir(folder);
+    desc.add_file(file);
+    desc.add_file(file2);
 
     desc.calculate_lbas();
     Ok(desc)

src/Tools/psxcdgen_ex/src/types/helper.rs

@@ -1,5 +1,4 @@
 use super::*;
-use std::{cell::RefCell, rc::Rc};
 
 const CURRENT_DIR_NAME:&'static str = "/x00";
 const PARENT_DIR_NAME:&'static str  = "/x01";
@@ -23,8 +22,8 @@ impl DirectoryRecordMember {
     }
 }
 
-pub fn collect_path_table_member(root: Rc<RefCell<Directory>>) -> Vec<PathTableMember> {
-    fn collect_path_table_for(collection: &mut Vec<PathTableMember>, dirs: &Vec<Rc<RefCell<Directory>>>, parent_id: usize) {
+pub fn collect_path_table_member(root: SharedPtr<Directory>) -> Vec<PathTableMember> {
+    fn collect_path_table_for(collection: &mut Vec<PathTableMember>, dirs: &Vec<SharedPtr<Directory>>, parent_id: usize) {
         let mut cur_dirs = Vec::new();
 
         for dir in dirs {
@@ -49,7 +48,7 @@ pub fn collect_path_table_member(root: Rc<RefCell<Directory>>) -> Vec<PathTableM
     collection
 }
 
-pub fn collect_directory_record_member(files: &Vec<Rc<RefCell<File>>>, dirs: &Vec<Rc<RefCell<Directory>>>) -> Vec<DirectoryRecordMember> {
+pub fn collect_directory_record_member(files: &Vec<SharedPtr<File>>, dirs: &Vec<SharedPtr<Directory>>) -> Vec<DirectoryRecordMember> {
     let mut collection = Vec::new();
 
     collection.push(DirectoryRecordMember::Directory{name: CURRENT_DIR_NAME.to_owned()});

src/Tools/psxcdgen_ex/src/types/layout.rs

@@ -1,5 +1,4 @@
 use super::*;
-use std::cell::RefCell;
 
 pub type MemoryLayout    = Vec<Layout>;
 pub type MemoryLayoutMut = Vec<LayoutMut>;
@@ -29,14 +28,14 @@ macro_rules! declare_memory_layout {
             }
 
             pub enum [< Layout$($val:camel),* >] {
-                SystemArea(Rc<RefCell<SystemArea>>),
-                PVD(Rc<RefCell<PrimaryVolumeDescriptor>>),
+                SystemArea(SharedPtr<SystemArea>),
+                PVD(SharedPtr<PrimaryVolumeDescriptor>),
                 PathTables,
-                Directory(Rc<RefCell<Directory>>),
-                File(Rc<RefCell<File>>)
+                Directory(SharedPtr<Directory>),
+                File(SharedPtr<File>)
             }           
 
-            fn [< add_dir_and_subdir $(_$val),* >]<'a>(layout: &mut Vec<[< Layout$($val:camel),* >]>, dir: Rc<RefCell<Directory>>) {
+            fn [< add_dir_and_subdir $(_$val),* >]<'a>(layout: &mut Vec<[< Layout$($val:camel),* >]>, dir: SharedPtr<Directory>) {
                 layout.push([< Layout$($val:camel),* >]::Directory(dir.clone()));
                 
                 let $($val),* dir = dir.[< borrow $(_$val),* >]();

src/Tools/psxcdgen_ex/src/types/mod.rs

@@ -6,10 +6,16 @@ use layout::LayoutMut;
 use tool_helper::Error;
 use std::{cell::RefCell, rc::Rc};
 
+pub type SharedPtr<T> = Rc<RefCell<T>>;
+
+pub fn new_shared_ptr<T>(value: T) -> SharedPtr<T> {
+    Rc::new(RefCell::new(value))
+}
+
 pub struct CDDesc {
-    system_area: Rc<RefCell<SystemArea>>,
-    pvd:         Rc<RefCell<PrimaryVolumeDescriptor>>,
-    pub root:    Rc<RefCell<Directory>>
+    system_area: SharedPtr<SystemArea>,
+    pvd:         SharedPtr<PrimaryVolumeDescriptor>,
+    root:        SharedPtr<Directory>
 }
 
 impl CDDesc {
@@ -17,7 +23,7 @@ impl CDDesc {
 
     pub fn new() -> CDDesc {
         match Directory::new("root") {
-            Ok(root)   => CDDesc{system_area: Rc::new(RefCell::new(SystemArea::new())), pvd: Rc::new(RefCell::new(PrimaryVolumeDescriptor::new())), root: Rc::new(RefCell::new(root))},
+            Ok(root)   => CDDesc{system_area: new_shared_ptr(SystemArea::new()), pvd: new_shared_ptr(PrimaryVolumeDescriptor::new()), root: new_shared_ptr(root)},
             Err(error) => panic!("Creating root directory failed with: {}", error)
         }
     }
@@ -30,6 +36,14 @@ impl CDDesc {
         layout::DefaultLayoutMut::new(self)
     }
 
+    pub fn add_dir(&mut self, dir: Directory) {
+        self.root.borrow_mut().add_dir(dir);
+    }
+
+    pub fn add_file(&mut self, file: File) {
+        self.root.borrow_mut().add_file(file);
+    }
+
     pub fn calculate_lbas(&mut self) {
         let mut path_table_properties = {
             let mut size_bytes = 0;
@@ -79,7 +93,7 @@ impl CDDesc {
         }
     }
 
-    fn for_each_dir_mut<T: Fn(&mut Directory)>(dir: Rc<RefCell<Directory>>, function: &T) {
+    fn for_each_dir_mut<T: Fn(&mut Directory)>(dir: SharedPtr<Directory>, function: &T) {
         let mut dir = dir.borrow_mut();
 
         function(&mut dir);
@@ -116,8 +130,8 @@ impl PrimaryVolumeDescriptor {
 pub struct Directory {
     pub name:       DirectoryName,
     pub properties: Properties,
-        files:      Vec<Rc<RefCell<File>>>,
-        dirs:       Vec<Rc<RefCell<Directory>>>
+        files:      Vec<SharedPtr<File>>,
+        dirs:       Vec<SharedPtr<Directory>>
 }
 
 impl Directory {
@@ -126,11 +140,11 @@ impl Directory {
     }
 
     pub fn add_dir(&mut self, dir: Directory) {
-        self.dirs.push(Rc::new(RefCell::new(dir)));
+        self.dirs.push(new_shared_ptr(dir));
     }
 
     pub fn add_file(&mut self, file: File) {
-        self.files.push(Rc::new(RefCell::new(file)));
+        self.files.push(new_shared_ptr(file));
     }
 
     fn update_content_size(&mut self) {