Rust example (#406)

* Create gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Create target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Create cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Rename cargo.toml to Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update README.md Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Create build.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update test_language_bindings.yml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update Cargo.toml Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update target.mk Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> * Update gnoll_bindings.rs Signed-off-by: Ian Hunter <ianfhunter@gmail.com> --------- Signed-off-by: Ian Hunter <ianfhunter@gmail.com>
ianfhunter · Nov 27, 2023 · 969e809 · 969e809
1 parent 8ff47ec
commit 969e809
Show file tree

Hide file tree

Showing 6 changed files with 98 additions and 0 deletions.
diff --git a/.github/workflows/test_language_bindings.yml b/.github/workflows/test_language_bindings.yml
@@ -25,6 +25,7 @@ jobs:
       - test_php
       - test_R
       - test_ruby
+      - test_rust
     runs-on: ubuntu-latest
     steps:
       - name: NoOp
@@ -210,3 +211,14 @@ jobs:
         DICE_PATH: src/PHP/
     - name: make php
       run: make php
+  test_rust:
+    name: "Test: Rust"
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup Rust
+      run: |
+        curl https://sh.rustup.rs -sSf | sh -s -- -y
+    - name: Run Rust
+      run: |
+        make rust
diff --git a/README.md b/README.md
@@ -50,6 +50,7 @@ GNOLL was written to be the definitive solution to dice notation. The core has b
 ![Python](https://img.shields.io/badge/python-3670A0?style=for-the-badge&logo=python&logoColor=ffdd54)
 ![R](https://img.shields.io/badge/r-%23276DC3.svg?style=for-the-badge&logo=r&logoColor=white)
 ![Ruby](https://img.shields.io/badge/ruby-%23CC342D.svg?style=for-the-badge&logo=ruby&logoColor=white)
+![Rust](https://img.shields.io/badge/rust-%23000000.svg?style=for-the-badge&logo=rust&logoColor=white)
 
 Primarily tested on Linux (Ubuntu), but functional in various forms on Windows (10, WSL) and Mac.
 

diff --git a/src/rust/Cargo.toml b/src/rust/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "gnoll_example"
+version = "1.0.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+cty = "*"
+
+[[bin]]
+name = "example_app"
+path = "gnoll_bindings.rs"
+
+[build]
+rustc-link-search = ["$PWD/../../build/"]
diff --git a/src/rust/build.rs b/src/rust/build.rs
@@ -0,0 +1,6 @@
+fn main() {
+       // Link with your external library
+       println!("cargo:rustc-link-lib=dice");
+       // You might need to specify the library path if it's not in standard locations
+       // println!("cargo:rustc-link-search=native=/path/to/library");
+}
diff --git a/src/rust/gnoll_bindings.rs b/src/rust/gnoll_bindings.rs
@@ -0,0 +1,55 @@
+//use std::ffi::CStr;
+use std::process;
+use std::fs::File;
+use std::io::{self, BufRead};
+
+extern "C" {
+    pub fn roll_and_write(
+        die: *mut cty::c_char,
+        fp: *mut cty::c_char
+    );
+}
+
+fn main() {
+
+    println!("Example of GNOLL in rust...\n");
+
+    let die = "10d20\0".as_ptr() as *mut cty::c_char;
+    let fp = "output.txt\0".as_ptr() as *mut cty::c_char;
+
+    unsafe { roll_and_write(die, fp) }
+
+    // Read the result from the memory pointed to by fp
+    unsafe { 
+        //let result_cstr = CStr::from_ptr(fp);
+        let file_path = "output.txt";
+        let file = File::open(file_path).unwrap();
+        let reader = io::BufReader::new(file);
+
+       // Read the first line
+        if let Some(Ok(first_line)) = reader.lines().next() {
+            // Use the first line as needed
+            let result_cstr = std::ffi::CString::new(first_line).unwrap();
+            // Rest of your code...
+
+            if let Ok(result_str) = result_cstr.to_str() {
+                let cleaned_string = result_str.replace(";", "");
+                if let Ok(result_num) = cleaned_string.parse::<u32>() {
+                    if result_num > 1 {
+                        println!("Result is: {}\n", result_num);
+                        process::exit(0);
+                    } else {
+                        println!("Result is not greater than 1\n");
+                    }
+                } else {
+                    println!("Failed to parse the result '{}' as an integer\n", cleaned_string);
+                }
+            } else {
+                println!("Failed to convert CStr to str\n");
+            }
+        }
+    }
+    println!("Fatal.\n");
+    process::exit(1);
+
+}
diff --git a/src/rust/target.mk b/src/rust/target.mk
@@ -0,0 +1,8 @@
+.PHONY: rust
+
+rust: all
+	export LD_LIBRARY_PATH=$(shell pwd)/build/
+	export LIBRARY_PATH=$LD_LIBRARY_PATH
+	sudo cp $(shell pwd)/build/libdice.so /usr/local/lib/libdice.so
+	cd src/rust && cargo build 
+	cd src/rust && LD_LIBRARY_PATH=$(shell pwd)/build/ cargo run --verbose