From 4ec1780b09f2f1ed3bf8289aa19b34d3c6cf6d45 Mon Sep 17 00:00:00 2001
From: Tony Bark <mnctnh817@mozmail.com>
Date: Sat, 7 Dec 2024 17:40:10 -0500
Subject: [PATCH] init: extism

---
 .cargo/config.toml |  2 ++
 .gitignore         |  2 ++
 Cargo.toml         | 12 ++++++++++++
 LICENSE            | 28 ++++++++++++++++++++++++++++
 README.md          |  4 ++++
 src/lib.rs         | 28 ++++++++++++++++++++++++++++
 6 files changed, 76 insertions(+)
 create mode 100644 .cargo/config.toml
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 LICENSE
 create mode 100644 README.md
 create mode 100644 src/lib.rs

diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..f4e8c00
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-unknown-unknown"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..96ef6c0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/target
+Cargo.lock
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c686e5e
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "rust-pdk-template"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+extism-pdk = "1.3.0"
+serde = { version = "1", features = ["derive"] }
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..4440418
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,28 @@
+BSD 3-Clause License
+
+Copyright (c) 2024, Extism
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its
+   contributors may be used to endorse or promote products derived from
+   this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6153bbe
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+# Extism Rust PDK Plugin
+
+See more documentation at https://github.com/extism/rust-pdk and
+[join us on Discord](https://extism.org/discord) for more help.
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..f30f255
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,28 @@
+use extism_pdk::*;
+use serde::{Deserialize, Serialize};
+
+// start with something simple
+#[plugin_fn]
+pub fn greet(name: String) -> FnResult<String> {
+    Ok(format!("Hello, {}!", name))
+}
+
+// use json data for inputs and outputs
+#[derive(FromBytes, Deserialize, PartialEq, Debug)]
+#[encoding(Json)]
+struct Add {
+    left: i32,
+    right: i32,
+}
+#[derive(ToBytes, Serialize, PartialEq, Debug)]
+#[encoding(Json)]
+struct Sum {
+    value: i32,
+}
+
+#[plugin_fn]
+pub fn add(input: Add) -> FnResult<Sum> {
+    Ok(Sum {
+        value: input.left + input.right,
+    })
+}