Created constructor functions and paniced

src/Tools/psxcdgen_ex/src/main.rs

@@ -1,4 +1,7 @@
+use psxcdgen_ex::types::CDDesc;
 
 fn main() {
+    let _desc = CDDesc::new();
+    
     println!("Planschbecken");
 }

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

@@ -1,7 +1,17 @@
 use cdtypes::types::cdstring::DString;
+use tool_helper::Error;
 
 pub struct CDDesc {
-    root: Directory
+    pub root: Directory
+}
+
+impl CDDesc {
+    pub fn new() -> CDDesc {
+        match Directory::new("root") {
+            Ok(root)   => CDDesc{root},
+            Err(error) => panic!("Creating root directory failed with: {}", error)
+        }
+    }
 }
 
 pub struct PVD {
@@ -9,22 +19,67 @@ pub struct PVD {
 }
 
 pub struct Directory {
-    name:   DirectoryName,
-    lba:    Option<usize>,
-    length: Option<usize>,
-    data:   Vec<Data>,
-    dirs:   Vec<Directory>
+    name:       DirectoryName,
+    properties: Properties,
+    data:       Vec<Data>,
+    dirs:       Vec<Directory>
+}
+
+impl Directory {
+    pub fn new(dir_name: &str) -> Result<Directory, Error> {
+        Ok(Directory{name: DirectoryName::from_str(dir_name)?, properties: Properties::default(), data: Vec::new(), dirs: Vec::new()})
+    }
 }
 
 pub struct Data {
-    name: FileName,
+    name:       FileName,
+    properties: Properties
+}
+
+impl Data {
+    pub fn new(file_name: &str) -> Result<Data, Error> {
+        Ok(Data{name: FileName::from_str(file_name)?, properties: Properties::default()})
+    }
 }
 
 pub struct DirectoryName {
     name: DString<8>,
 }
 
+impl DirectoryName {
+    pub fn from_str(str: &str) -> Result<DirectoryName, Error> {
+        Ok(DirectoryName{name: DString::from_str(str)?})
+    }
+}
+
 pub struct FileName {
     name: DString<8>,
-    ext:  DString<3>
+    ext:  Option<DString<3>>
+}
+
+impl FileName {
+    pub fn from_str(file_name: &str) -> Result<FileName, Error> {
+        let (name, ext) = {
+            let mut sub_str = file_name.split('.');
+            (Error::ok_or_new(sub_str.next(), || "File name can't be emplty".to_owned())?, sub_str.next())
+        };
+
+        Ok(FileName{name: DString::from_str(name)?, ext: {
+            match ext {
+                Some(ext) => Some(DString::from_str(ext)?),
+                None      => None
+            }
+        }})
+    }
+}
+
+pub struct Properties {
+    lba:    Option<usize>,
+    length: Option<usize>
+}
+
+impl Default for Properties {
+    fn default() -> Self {
+        Properties{lba: None, length: None}
+    }
 }

src/Tools/tool_helper/Cargo.toml

@@ -6,4 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-paste = "*"
+cdtypes = {path = "../cdtypes"}
+paste   = "*"

src/Tools/tool_helper/src/lib.rs

@@ -74,6 +74,12 @@ impl std::convert::From<std::io::Error> for Error {
     }
 }
 
+impl std::convert::From<cdtypes::Error> for Error {
+    fn from(error: cdtypes::Error) -> Self {
+        Error::from_error(error)
+    }
+}
+
 pub fn open_output(output_file: Option<PathBuf>) -> Result<Output, Error> {
     match output_file {
         Some(output_path) => Ok(Box::new(std::io::BufWriter::new(std::fs::File::create(output_path)?))),