src/Tools/jaby_engine_fconv/src/main.rs

@@ -25,50 +25,45 @@ enum SubCommands {
     SimpleTIM(reduced_tim::Arguments)
 }
 
-fn run_main() -> Result<(), Error> {
-    match CommandLine::try_parse() {
-        Ok(cmd) => {
-            let mut input       = tool_helper::open_input(cmd.input_file)?;
-            let mut buffer      = Vec::<u8>::new();
-            let mut output_file = tool_helper::open_output(cmd.output_file)?;
-            let     dst_buffer  = {
-                if cmd.compress_lz4 {
-                    &mut buffer as &mut dyn std::io::Write
-                }
+fn run_main(cmd: CommandLine) -> Result<(), Error> {
+    let mut input       = tool_helper::open_input(cmd.input_file)?;
+    let mut buffer      = Vec::<u8>::new();
+    let mut output_file = tool_helper::open_output(cmd.output_file)?;
+    let     dst_buffer  = {
+        if cmd.compress_lz4 {
+            &mut buffer as &mut dyn std::io::Write
+        }
 
-                else {
-                    &mut output_file as &mut dyn std::io::Write
-                }
-            };
+        else {
+            &mut output_file as &mut dyn std::io::Write
+        }
+    };
 
-            match cmd.sub_command {
-                SubCommands::Nothing         => {
-                    std::io::copy(&mut input, dst_buffer)?;
-                },
-                SubCommands::SimpleTIM(args) => {
-                    reduced_tim::convert(args, input, dst_buffer)?;
-                }
-            }
-
-            // We encoded the file to a temporary buffer and now need to write it
-            if cmd.compress_lz4 {
-                let buffer = tool_helper::compress::psx_default::lz4(&buffer)?;
-                output_file.write(&buffer)?;
-            }
-
-            Ok(())
+    match cmd.sub_command {
+        SubCommands::Nothing         => {
+            std::io::copy(&mut input, dst_buffer)?;
         },
-        Err(error) => Err({
-                let mut error = Error::from_error(error);
+        SubCommands::SimpleTIM(args) => {
+            reduced_tim::convert(args, input, dst_buffer)?;
+        }
+    }
 
-                error.exit_code = 0;
-                error
-            })
-    }    
+    // We encoded the file to a temporary buffer and now need to write it
+    if cmd.compress_lz4 {
+        let buffer = tool_helper::compress::psx_default::lz4(&buffer)?;
+        output_file.write(&buffer)?;
+    }
+
+    Ok(())
 }
 
 fn main() {
-    if let Err(error) = run_main() {
-        exit_with_error(error);
+    match CommandLine::try_parse() {
+        Ok(cmd)    => {
+            if let Err(error) = run_main(cmd) {
+                exit_with_error(error);
+            }
+        },
+        Err(error) => eprintln!("{}", error)
     }
 }