From c687ee60ffb6abe43e812c19aa8503648fab3fdb Mon Sep 17 00:00:00 2001
From: Erick Tryzelaar <erick.tryzelaar@gmail.com>
Date: Sat, 28 Nov 2015 20:09:03 -0800
Subject: [PATCH] feat(example): Add an example

---
 examples/serde-syntex-example/.gitignore     |  2 ++
 examples/serde-syntex-example/Cargo.toml     | 18 ++++++++++++
 examples/serde-syntex-example/README.md      | 20 ++++++++++++++
 examples/serde-syntex-example/build.rs       | 29 ++++++++++++++++++++
 examples/serde-syntex-example/src/main.rs    | 11 ++++++++
 examples/serde-syntex-example/src/main.rs.in | 16 +++++++++++
 6 files changed, 96 insertions(+)
 create mode 100644 examples/serde-syntex-example/.gitignore
 create mode 100644 examples/serde-syntex-example/Cargo.toml
 create mode 100644 examples/serde-syntex-example/README.md
 create mode 100644 examples/serde-syntex-example/build.rs
 create mode 100644 examples/serde-syntex-example/src/main.rs
 create mode 100644 examples/serde-syntex-example/src/main.rs.in

diff --git a/examples/serde-syntex-example/.gitignore b/examples/serde-syntex-example/.gitignore
new file mode 100644
index 00000000..a9d37c56
--- /dev/null
+++ b/examples/serde-syntex-example/.gitignore
@@ -0,0 +1,2 @@
+target
+Cargo.lock
diff --git a/examples/serde-syntex-example/Cargo.toml b/examples/serde-syntex-example/Cargo.toml
new file mode 100644
index 00000000..81fdbad3
--- /dev/null
+++ b/examples/serde-syntex-example/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "serde-syntex-example"
+version = "0.1.0"
+authors = ["Erick Tryzelaar <erick.tryzelaar@gmail.com>"]
+build = "build.rs"
+
+[features]
+default = ["serde_codegen"]
+nightly = ["serde_macros"]
+
+[build-dependencies]
+serde_codegen = { version = "^0.6.4", optional = true }
+syntex = "^0.22.0"
+
+[dependencies]
+serde = "^0.6.1"
+serde_json = "^0.6.0"
+serde_macros = { version = "^0.6.1", optional = true }
diff --git a/examples/serde-syntex-example/README.md b/examples/serde-syntex-example/README.md
new file mode 100644
index 00000000..ea919313
--- /dev/null
+++ b/examples/serde-syntex-example/README.md
@@ -0,0 +1,20 @@
+This example demonstrates how to use Serde with Syntex. On stable or nightly
+with Syntex, it can be built with:
+
+```
+% multirust run stable cargo run
+     Running `target/debug/serde-syntex-example`
+{"x":1,"y":2}
+Point { x: 1, y: 2 }
+
+% multirust run nightly cargo run
+     Running `target/debug/serde-syntex-example`
+{"x":1,"y":2}
+Point { x: 1, y: 2 }
+```
+
+On nightly, it can use a plugin with:
+
+```
+% multirust run nightly cargo run --features nightly --no-default-features
+```
diff --git a/examples/serde-syntex-example/build.rs b/examples/serde-syntex-example/build.rs
new file mode 100644
index 00000000..b1aadd78
--- /dev/null
+++ b/examples/serde-syntex-example/build.rs
@@ -0,0 +1,29 @@
+#[cfg(not(feature = "serde_macros"))]
+mod inner {
+    extern crate syntex;
+    extern crate serde_codegen;
+
+    use std::env;
+    use std::path::Path;
+
+    pub fn main() {
+        let out_dir = env::var_os("OUT_DIR").unwrap();
+
+        let src = Path::new("src/main.rs.in");
+        let dst = Path::new(&out_dir).join("main.rs");
+
+        let mut registry = syntex::Registry::new();
+
+        serde_codegen::register(&mut registry);
+        registry.expand("", &src, &dst).unwrap();
+    }
+}
+
+#[cfg(feature = "serde_macros")]
+mod inner {
+    pub fn main() {}
+}
+
+fn main() {
+    inner::main();
+}
diff --git a/examples/serde-syntex-example/src/main.rs b/examples/serde-syntex-example/src/main.rs
new file mode 100644
index 00000000..9c2333fb
--- /dev/null
+++ b/examples/serde-syntex-example/src/main.rs
@@ -0,0 +1,11 @@
+#![cfg_attr(nightly, feature(custom_derive, plugin))]
+#![cfg_attr(nightly, plugin(serde_macros))]
+
+extern crate serde;
+extern crate serde_json;
+
+#[cfg(feature = "serde_macros")]
+include!("main.rs.in");
+
+#[cfg(not(feature = "serde_macros"))]
+include!(concat!(env!("OUT_DIR"), "/main.rs"));
diff --git a/examples/serde-syntex-example/src/main.rs.in b/examples/serde-syntex-example/src/main.rs.in
new file mode 100644
index 00000000..4cf4841c
--- /dev/null
+++ b/examples/serde-syntex-example/src/main.rs.in
@@ -0,0 +1,16 @@
+#[derive(Serialize, Deserialize, Debug)]
+struct Point {
+    x: i32,
+    y: i32,
+}
+
+fn main() {
+    let point = Point { x: 1, y: 2 };
+    let serialized = serde_json::to_string(&point).unwrap();
+
+    println!("{}", serialized);
+
+    let deserialized: Point = serde_json::from_str(&serialized).unwrap();
+
+    println!("{:?}", deserialized);
+}