Fix bug in input sequence handling

Author: w1th0utnam3

CHANGELOG.md

@@ -4,6 +4,10 @@ The following changes are present in the `main` branch of the repository and are
 
  - No major changes since last release
 
+## Version 0.9.1
+
+ - CLI: Fix bug where no input sequence files were found if the sequence pattern path did not contain any "parent" path (e.g. `file_{}.vtk` instead of `./file_{}.vtk`) 
+
 ## Version 0.9.0
 
  - Upgrade to Rust edition 2021

splashsurf/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "splashsurf"
-version = "0.9.0"
+version = "0.9.1"
 authors = ["Fabian Löschner <[email protected]>"]
 license = "MIT"
 description = "Command-line tool for surface reconstruction of SPH particle data"

splashsurf/src/reconstruction.rs

@@ -464,8 +464,8 @@ mod arguments {
                 let input_file = &self.input_file;
                 let output_file = &self.output_file;
 
-                let input_dir = input_file.parent().unwrap();
-                let output_dir = output_file.parent().unwrap();
+                let input_dir = input_file.parent().expect("expected an input path ending in a filename");
+                let output_dir = output_file.parent().expect("expected an output path ending in a filename");
 
                 let input_pattern = input_file.file_name().unwrap().to_string_lossy();
                 let output_pattern = output_file.file_name().unwrap().to_string_lossy();
@@ -478,9 +478,12 @@ mod arguments {
                     format!(r"{}(\d+){}", escape(input_prefix), escape(input_suffix));
                 let input_re = Regex::new(&input_re_str).expect("expected a valid regex");
 
+                let input_root = if input_dir == Path::new("") { Path::new(".") } else { input_dir };
+                info!("Looking for input sequence files in root \"{}\"", input_root.display());
+
                 let mut paths = Vec::new();
 
-                for entry in WalkDir::new(input_dir)
+                for entry in WalkDir::new(input_root)
                     .max_depth(1)
                     .contents_first(true)
                     .sort_by_file_name()