add walkdir source

lua/fs.example.lua

@@ -2,6 +2,12 @@ local fs = require("filesystem")
 
 local root = fs.directory(".")
 
+string.starts_with = function(self, str)
+    return self:find('^' .. str) ~= nil
+end
+
 for entry in root do
-    print(entry)
+    if not entry.rel_path:starts_with("%.") then
+        print(entry.rel_path)
+    end
 end

lua_modules/filesystem/src/driver_filesystem/directory_source.rs

@@ -1,6 +1,7 @@
 use crate::driver_filesystem::filesystem_resource::FilesystemResourceLocation;
 use crate::resource::{DynResource, DynResourceLocation, Resource, ResourceLocation};
 use crate::source::ResourceSource;
+use std::fs::rename;
 use std::io::Sink;
 use std::path::PathBuf;
 use walkdir::WalkDir;
@@ -31,7 +32,7 @@ impl Iterator for DirectorySource {
         self.iter
             .next()
             .map(|entry| entry.unwrap())
-            .map(|entry| entry.path().to_path_buf())
+            .map(|entry| entry.path().strip_prefix("./").unwrap().to_path_buf())
             .map(|entry| {
                 let loc = FilesystemResourceLocation::from(entry);
                 Box::new(loc) as Box<dyn ResourceLocation>

lua_modules/filesystem/src/lua_bindings/mod.rs

@@ -3,9 +3,3 @@ use mlua::{MetaMethod, UserData, UserDataFields, UserDataMethods};
 
 mod resource_bindings;
 mod source_bindings;
-
-impl UserData for DynResourceLocation {
-    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
-        methods.add_meta_method_mut(MetaMethod::ToString, |lua, this, _: ()| Ok(this.location()));
-    }
-}

lua_modules/filesystem/src/lua_bindings/resource_bindings.rs

@@ -0,0 +1,12 @@
+use crate::resource::DynResourceLocation;
+use mlua::{MetaMethod, UserData, UserDataFields, UserDataMethods};
+
+impl UserData for DynResourceLocation {
+    fn add_fields<'lua, F: UserDataFields<'lua, Self>>(fields: &mut F) {
+        fields.add_field_method_get("rel_path", |lua, this| Ok(this.location()))
+    }
+
+    fn add_methods<'lua, M: UserDataMethods<'lua, Self>>(methods: &mut M) {
+        methods.add_meta_method_mut(MetaMethod::ToString, |lua, this, _: ()| Ok(this.location()));
+    }
+}