Basic port of the romfs example

ctru-rs/Cargo.toml

@@ -28,6 +28,7 @@ ferris-says = "0.2.1"
 futures = "0.3"
 time = "0.3.7"
 tokio = { version = "1.16", features = ["rt", "time", "sync", "macros"] }
+cfg-if = "1.0.0"
 
 [features]
 default = ["romfs"]

ctru-rs/examples/romfs.rs

@@ -0,0 +1,48 @@
+use ctru::console::Console;
+use ctru::gfx::Gfx;
+use ctru::services::apt::Apt;
+use ctru::services::hid::{Hid, KeyPad};
+
+fn main() {
+    ctru::init();
+    let gfx = Gfx::default();
+    let hid = Hid::init().expect("Couldn't obtain HID controller");
+    let apt = Apt::init().expect("Couldn't obtain APT controller");
+    let _console = Console::init(gfx.top_screen.borrow_mut());
+
+    cfg_if::cfg_if! {
+        // Run this code ff RomFS are wanted and available
+        // This never fails as `ctru-rs` examples inherit all of the `ctru` features,
+        // but it might in a normal user application wasn't setup correctly
+        if #[cfg(all(feature = "romfs", romfs_exists))] {
+            let _romfs = ctru::romfs::RomFS::new().unwrap();
+
+            let f = std::fs::read_to_string("romfs:/test-file.txt").unwrap();
+            println!("Contents of test-file.txt: \n{f}\n");
+
+            let f = std::fs::read_to_string("romfs:/ファイル.txt").unwrap();
+            // While RomFS supports UTF-16 file paths, `Console` doesn't...
+            println!("Contents of [UTF-16 File]: \n{f}\n");
+        } else {
+            println!("No RomFS was found, are you sure you included it?")
+        }
+    }
+
+    println!("\nPress START to exit");
+
+    // Main loop
+    while apt.main_loop() {
+        //Scan all the inputs. This should be done once for each frame
+        hid.scan_input();
+
+        if hid.keys_down().contains(KeyPad::KEY_START) {
+            break;
+        }
+        // Flush and swap framebuffers
+        gfx.flush_buffers();
+        gfx.swap_buffers();
+
+        //Wait for VBlank
+        gfx.wait_for_vblank();
+    }
+}

ctru-rs/examples/romfs/ファイル.txt

@@ -0,0 +1 @@
+This filename has UTF-16 exclusive characters!