From e215c9f8bff4e049ebce94d3c5620f8ec03ed832 Mon Sep 17 00:00:00 2001
From: Till Höppner
Date: Tue, 16 Feb 2016 19:06:31 +0100
Subject: Initial commit.

---
 .gitignore                       |  2 ++
 Cargo.toml                       |  8 +++++++
 examples/foo/Cargo.toml          | 11 +++++++++
 examples/foo/build.rs            |  5 ++++
 examples/foo/src/data/empty      |  0
 examples/foo/src/data/foo        |  1 +
 examples/foo/src/data/inner/boom |  1 +
 examples/foo/src/main.rs         |  9 +++++++
 src/lib.rs                       | 52 ++++++++++++++++++++++++++++++++++++++++
 9 files changed, 89 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.toml
 create mode 100644 examples/foo/Cargo.toml
 create mode 100644 examples/foo/build.rs
 create mode 100644 examples/foo/src/data/empty
 create mode 100644 examples/foo/src/data/foo
 create mode 100644 examples/foo/src/data/inner/boom
 create mode 100644 examples/foo/src/main.rs
 create mode 100644 src/lib.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a9d37c5
--- /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..b853292
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "includedir"
+version = "0.1.0"
+authors = ["Till Höppner <till@hoeppner.ws>"]
+
+[dependencies]
+walkdir = "0.1.5"
+phf_codegen = "0.7.12"
diff --git a/examples/foo/Cargo.toml b/examples/foo/Cargo.toml
new file mode 100644
index 0000000..8a30ca2
--- /dev/null
+++ b/examples/foo/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "foo"
+version = "0.1.0"
+authors = ["Till Höppner <till@hoeppner.ws>"]
+build = "build.rs"
+
+[dependencies]
+phf = "*"
+
+[build-dependencies.includedir]
+path = "../.."
diff --git a/examples/foo/build.rs b/examples/foo/build.rs
new file mode 100644
index 0000000..1196b6a
--- /dev/null
+++ b/examples/foo/build.rs
@@ -0,0 +1,5 @@
+extern crate includedir;
+
+fn main() {
+    includedir::build("src/data").unwrap();
+}
diff --git a/examples/foo/src/data/empty b/examples/foo/src/data/empty
new file mode 100644
index 0000000..e69de29
diff --git a/examples/foo/src/data/foo b/examples/foo/src/data/foo
new file mode 100644
index 0000000..257cc56
--- /dev/null
+++ b/examples/foo/src/data/foo
@@ -0,0 +1 @@
+foo
diff --git a/examples/foo/src/data/inner/boom b/examples/foo/src/data/inner/boom
new file mode 100644
index 0000000..9e2ba7e
--- /dev/null
+++ b/examples/foo/src/data/inner/boom
@@ -0,0 +1 @@
+boom
diff --git a/examples/foo/src/main.rs b/examples/foo/src/main.rs
new file mode 100644
index 0000000..8270aec
--- /dev/null
+++ b/examples/foo/src/main.rs
@@ -0,0 +1,9 @@
+extern crate phf;
+
+include!(concat!(env!("OUT_DIR"), "/dir_data.rs"));
+
+fn main() {
+    for (k, v) in FILES.entries() {
+        println!("{}: {} bytes", k, v.len());
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..939b958
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,52 @@
+extern crate walkdir;
+extern crate phf_codegen;
+
+use std::{env, io};
+use std::fs::File;
+use std::io::{BufWriter, Write};
+use std::path::Path;
+
+use walkdir::WalkDir;
+
+pub fn build<P: AsRef<Path>>(dir: P) -> io::Result<()> {
+    let dir = dir.as_ref();
+
+    let base_path = Path::new(&env::var("CARGO_MANIFEST_DIR").unwrap()).to_owned();
+
+    let dir_name = dir.file_name().expect("Invalid directory name").to_string_lossy();
+    let out_name = format!("dir_{}.rs", dir_name);
+    let out_path = Path::new(&env::var("OUT_DIR").unwrap()).join(out_name);
+    let mut out_file = BufWriter::new(File::create(&out_path).unwrap());
+
+    write!(&mut out_file,
+           "static FILES: phf::Map<&'static str, &'static [u8]> = ")
+        .unwrap();
+
+    // FIXME: rustfmt mangles this
+    let entries: Vec<(String, String)> = WalkDir::new(dir)
+                                             .into_iter()
+                                             .filter(|e| {
+                                                 !e.as_ref()
+                                                   .ok()
+                                                   .map_or(true, |e| e.file_type().is_dir())
+                                             })
+                                             .map(|e| {
+                                                 let entry = e.expect("Invalid dir entry.");
+                                                 let name = format!("{}", entry.path().display());
+                                                 let code = format!("include_bytes!(\"{}\") \
+                                                                     as &'static [u8]",
+                                                                    base_path.join(entry.path())
+                                                                             .display());
+                                                 (name, code)
+                                             })
+                                             .collect();
+
+    let mut map: phf_codegen::Map<&str> = phf_codegen::Map::new();
+    for &(ref name, ref code) in &entries {
+        map.entry(name, code);
+    }
+    map.build(&mut out_file).unwrap();
+
+    write!(&mut out_file, ";\n").unwrap();
+    Ok(())
+}
-- 
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