only push supported files to processing queue

1 files changed, 6 insertions, 0 deletions

diff --git a/src/text/mod.rs b/src/text/mod.rs
index c3fd8f6..ac474bc 100644
--- a/src/text/mod.rs
+++ b/src/text/mod.rs
@@ -44,3 +44,9 @@ pub fn extract_text(path : &str) -> String {
     let extenstion = p.extension().unwrap_or_else(|| OsStr::new("")).to_str().unwrap();
     EXT.get(extenstion).unwrap_or(&(empty_extractor as ExtFn))(path)
 }
+
+pub fn is_supported(path : &str) -> bool {
+    let p = Path::new(&path);
+    let extenstion = p.extension().unwrap_or_else(|| OsStr::new("")).to_str().unwrap();
+    EXT.get(extenstion).is_some()
+}