Able to fetch a list of module names

Cargo.lock

@@ -8,6 +8,12 @@ version = "1.0.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9"
 
+[[package]]
+name = "bitflags"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
+
 [[package]]
 name = "cc"
 version = "1.2.15"
@@ -27,6 +33,12 @@ dependencies = [
  "target-lexicon",
 ]
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "clap"
 version = "4.5.31"
@@ -128,12 +140,40 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
 
+[[package]]
+name = "errno"
+version = "0.3.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
+
 [[package]]
 name = "foldhash"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0d2fde1f7b3d48b8395d5f2de76c18a528bd6a9cdde438df747bfcba3e05d6f"
 
+[[package]]
+name = "getrandom"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+ "windows-targets",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.15.2"
@@ -156,6 +196,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "libc"
+version = "0.2.170"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "875b3680cb2f8f71bdcf9a30f38d48282f5d3c95cbf9b3fa57269bb5d5c06828"
+
 [[package]]
 name = "link-cplusplus"
 version = "1.0.9"
@@ -165,12 +211,24 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.4.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d26c52dbd32dccf2d10cac7725f8eae5296885fb5703b261f7d0a0739ec807ab"
+
 [[package]]
 name = "memchr"
 version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "once_cell"
+version = "1.20.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.31"
@@ -195,6 +253,19 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.38.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.19"
@@ -261,6 +332,7 @@ dependencies = [
  "cxx",
  "cxx-build",
  "system-deps",
+ "tempfile",
 ]
 
 [[package]]
@@ -293,6 +365,20 @@ version = "0.12.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
 
+[[package]]
+name = "tempfile"
+version = "3.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22e5a0acb1f3f55f65cc4a866c361b2fb2a0ff6366785ae6fbb5f85df07ba230"
+dependencies = [
+ "cfg-if",
+ "fastrand",
+ "getrandom",
+ "once_cell",
+ "rustix",
+ "windows-sys",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.4.1"
@@ -354,6 +440,15 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
 
+[[package]]
+name = "wasi"
+version = "0.13.3+wasi-0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
 [[package]]
 name = "winapi-util"
 version = "0.1.9"
@@ -444,3 +539,12 @@ checksum = "0e7f4ea97f6f78012141bcdb6a216b2609f0979ada50b20ca5b52dde2eac2bb1"
 dependencies = [
  "memchr",
 ]
+
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
+dependencies = [
+ "bitflags",
+]

Cargo.toml

@@ -10,5 +10,8 @@ cxx = "1.0.141"
 cxx-build = "1.0.141"
 system-deps = "7.0.3"
 
+[dev-dependencies]
+tempfile = "3.17.1"
+
 [package.metadata.system-deps]
 sword = ">= 1.8.0"

build.rs

@@ -6,6 +6,8 @@ fn main() {
     cxx_build::bridge("src/mgr.rs")
         .file("src/cxx/mgr.cc")
         .includes(deps.all_include_paths())
+        .cpp_link_stdlib("stdc++")
+        .flag("-Os")
         .compile("sword_rs");
 
     println!("cargo:rerun-if-changed=src/mgr.rs");

flake.nix

@@ -44,10 +44,11 @@
             # These will just be available
             packages = with pkgs; [
               cargo
+              clippy
+              libgcc
+              rustc.llvm
               rustc
               rustfmt
-              clippy
-              stdenv.cc
               pre-commit
 
               sword

src/cxx/mgr.cc

@@ -1,8 +1,24 @@
 #include "mgr.h"
-#include <swmgr.h>
 
-Mgr::Mgr() : mgr(new sword::SWMgr()) { }
+Mgr::Mgr() { }
+
+// Only the last argument is different from default - we want to limit this to ONLY the given directory
+Mgr::Mgr(const char *path) : sword::SWMgr(path, true, 0, false, false) { }
+
+rust::Vec<rust::String> Mgr::get_modules() const {
+	rust::Vec<rust::String> v;
+	v.reserve(this->getModules().size());
+	for (sword::ModMap::const_iterator it = this->getModules().begin(); it != this->getModules().end(); ++it) {
+		v.push_back(rust::String(it->first.c_str()));
+	}
+	return v;
+}
 
 std::unique_ptr<Mgr> new_mgr() {
 	return std::unique_ptr<Mgr>(new Mgr());
 }
+
+std::unique_ptr<Mgr> new_mgr_with_path(const rust::String &path) {
+    std::string cpath(path);
+    return std::unique_ptr<Mgr>(new Mgr(cpath.c_str()));
+}

src/cxx/mgr.h

@@ -1,14 +1,16 @@
 #pragma once
 
 #include <memory>
+#include <string>
 #include <sword/swmgr.h>
+#include "rust/cxx.h"
 
-class Mgr {
+class Mgr : public sword::SWMgr {
 	public:
 		Mgr();
-
+		Mgr(const char*);
-	private:
+		rust::Vec<rust::String> get_modules() const;
-		sword::SWMgr* mgr;
 };
 
 std::unique_ptr<Mgr> new_mgr();
+std::unique_ptr<Mgr> new_mgr_with_path(const rust::String &path);

src/main.rs

@@ -0,0 +1,6 @@
+use sword_rs::mgr::{new_mgr, Mgr};
+
+fn main() {
+    let mgr = new_mgr();
+    println!("{:?}", mgr.get_modules());
+}

src/mgr.rs

@@ -1,3 +1,5 @@
+pub use ffi::*;
+
 #[cxx::bridge]
 mod ffi {
     unsafe extern "C++" {
@@ -6,16 +8,56 @@ mod ffi {
         type Mgr;
 
         fn new_mgr() -> UniquePtr<Mgr>;
+        fn new_mgr_with_path(path: &String) -> UniquePtr<Mgr>;
+        fn get_modules(&self) -> Vec<String>;
     }
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
+    use std::fs::{create_dir, File};
+    use std::io::Write;
+    use tempfile;
 
     #[test]
     fn can_create_mgr() {
         let mgr = ffi::new_mgr();
         assert!(!mgr.is_null());
     }
+
+    #[test]
+    fn reads_module_list() {
+        // Create a temporary directory to isolate tests
+        let dir = tempfile::tempdir().unwrap();
+        // Create a basic SWORD directory
+        let mods_d = dir.path().join("mods.d");
+        create_dir(&mods_d).unwrap();
+        // Write a dummy conf file
+        let kjv_conf = mods_d.join("kjv.conf");
+        {
+            let mut file = File::create(&kjv_conf).unwrap();
+            writeln!(file, "[KJVdummy]").unwrap();
+            writeln!(file, "DataPath=./modules/texts/ztext/kjv").unwrap();
+            writeln!(file, "ModDrv=RawText").unwrap();
+            writeln!(file, "Description=Test description").unwrap();
+            writeln!(file, "About=A test conf file").unwrap();
+        }
+        let mgr = ffi::new_mgr_with_path(&dir.path().to_str().unwrap().to_string());
+        assert!(mgr.get_modules().len() == 1);
+        assert!(mgr.get_modules().contains(&String::from("KJVdummy")));
+    }
+
+    #[test]
+    fn has_no_modules() {
+        let mgr = ffi::new_mgr_with_path(
+            &tempfile::tempdir()
+                .unwrap()
+                .path()
+                .to_str()
+                .unwrap()
+                .to_string(),
+        );
+        assert!(mgr.get_modules().len() == 0);
+    }
 }