dir parsing test example

examples/dir.rs

@@ -0,0 +1,42 @@
+use miette::{Context, IntoDiagnostic, Result};
+use std::env::args;
+use std::fs::read_to_string;
+use std::path::Path;
+use vmt_parser::from_str;
+use vmt_parser::material::Material;
+use walkdir::WalkDir;
+
+fn main() -> Result<()> {
+    let mut success = 0;
+    let mut err = Vec::new();
+    let dir = args().nth(1).expect("no path provided");
+    for entry in WalkDir::new(dir)
+        .into_iter()
+        .filter_map(|e| e.ok())
+        .filter(|e| e.file_name().to_str().unwrap_or_default().ends_with(".vmt"))
+    {
+        if let Err(e) = try_parse(entry.path()) {
+            err.push(e);
+            let e = try_parse(entry.path()).unwrap_err();
+            println!("{:?}", e);
+        } else {
+            success += 1;
+            println!("{}", entry.path().display());
+        }
+    }
+
+    println!("successfully parsed {success} files");
+    println!("found errors in {} files", err.len());
+    for e in err {
+        println!("{:?}", e);
+    }
+
+    Ok(())
+}
+
+fn try_parse(path: &Path) -> Result<Material> {
+    let raw = read_to_string(path)
+        .into_diagnostic()
+        .wrap_err_with(|| format!("failed to read {}", path.display()))?;
+    from_str(&raw).into_diagnostic()
+}