first sketch of indexer

1 files changed, 31 insertions, 0 deletions

diff --git a/src/text/mod.rs b/src/text/mod.rs
new file mode 100644
index 0000000..4e1b9a4
--- /dev/null
+++ b/src/text/mod.rs
@@ -0,0 +1,31 @@
+use lazy_static::lazy_static;
+use std::ffi::OsStr;
+use std::path::Path;
+use std::collections::HashMap;
+
+mod txt;
+
+fn empty_extractor(_ : &str) -> String {
+    "".to_string()
+}
+
+macro_rules! ext {
+    ($f:ident) => {(stringify!($f), $f::get_text as ExtFn)}
+}
+
+type ExtFn = fn(&str) -> String;
+
+lazy_static! {
+    static ref EXT: HashMap<&'static str, ExtFn> = {
+        HashMap::from([
+            ext!(txt),
+        ])
+    };
+}
+
+
+pub fn extract_text(path : &str) -> String {
+    let p = Path::new(&path);
+    let extenstion = p.extension().unwrap_or_else(|| OsStr::new("")).to_str().unwrap();
+    EXT.get(extenstion).unwrap_or(&(empty_extractor as ExtFn))(path)
+}