From ae428997270b9c11e3f0307dbe08e1239c85793b Mon Sep 17 00:00:00 2001
From: kjuulh <contact@kjuulh.io>
Date: Wed, 2 Aug 2023 12:45:56 +0200
Subject: [PATCH] feat: with iocat

Signed-off-by: kjuulh <contact@kjuulh.io>
---
 Cargo.toml     |  10 ++---
 src/io_cat.rs  | 100 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/lib.rs     |   1 +
 src/types.rs   |   2 +-
 tests/tests.rs |   1 -
 5 files changed, 105 insertions(+), 9 deletions(-)
 create mode 100644 src/io_cat.rs

diff --git a/Cargo.toml b/Cargo.toml
index ae599d3..b926d7e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,17 +2,13 @@
 name = "rlua-searcher"
 version = "0.1.0"
 edition = "2021"
-authors = ["Andy Weidenbaum <atweiden@ioiojo.com>"]
+authors = ["Andy Weidenbaum <atweiden@ioiojo.com>", "Kasper J. Hermansen <contact@kjuulh.io>"]
 license = "MIT OR Apache-2.0"
 keywords = ["lua"]
-homepage = "https://git.sr.ht/~ioiojo/rlua-searcher"
-repository = "https://git.sr.ht/~ioiojo/rlua-searcher"
+homepage = "https://git.front.kjuulh.io/kjuulh/rlua-searcher"
+repository = "https://git.front.kjuulh.io/kjuulh/rlua-searcher"
 readme = "README.md"
 description = "Require Lua modules by name"
 
 [dependencies]
 rlua = "0.19.5"
-
-[dependencies.io-cat]
-git = "https://git.sr.ht/~ioiojo/io-cat"
-rev = "74167240f6a284505a1f0a334432352878a7ba99"
diff --git a/src/io_cat.rs b/src/io_cat.rs
new file mode 100644
index 0000000..f981cae
--- /dev/null
+++ b/src/io_cat.rs
@@ -0,0 +1,100 @@
+use std::borrow::Cow;
+use std::collections::HashMap;
+use std::fs::File;
+use std::io;
+use std::io::{BufReader, Cursor, Read};
+use std::path::{Path, PathBuf};
+use std::string::String;
+
+pub type CatBox = Box<dyn Cat + Send + Sync>;
+pub type CatMap<K> = HashMap<K, CatBox>;
+
+pub trait Cat {
+    fn cat(&self) -> io::Result<String>;
+}
+
+impl Cat for PathBuf {
+    fn cat(&self) -> io::Result<String> {
+        self.as_path().cat()
+    }
+}
+
+impl Cat for &Path {
+    fn cat(&self) -> io::Result<String> {
+        let mut input = File::open(self)?;
+        read_to_string(&mut input)
+    }
+}
+
+impl Cat for Cow<'_, Path> {
+    fn cat(&self) -> io::Result<String> {
+        self.as_ref().cat()
+    }
+}
+
+impl Cat for String {
+    fn cat(&self) -> io::Result<String> {
+        self.as_str().cat()
+    }
+}
+
+impl Cat for &str {
+    fn cat(&self) -> io::Result<String> {
+        let mut input = Cursor::new(self);
+        read_to_string(&mut input)
+    }
+}
+
+impl Cat for Cow<'_, str> {
+    fn cat(&self) -> io::Result<String> {
+        self.as_ref().cat()
+    }
+}
+
+fn read_to_string<R>(input: &mut R) -> io::Result<String>
+where
+    R: Read,
+{
+    let mut text = String::new();
+    let mut reader = BufReader::new(input);
+    reader.read_to_string(&mut text)?;
+    Ok(text)
+}
+
+#[cfg(test)]
+mod tests {
+    use std::borrow::Cow;
+    use std::env;
+    use std::path::Path;
+
+    use super::CatMap;
+
+    #[test]
+    fn it_works() {
+        const ENV_VAR_OS_CARGO_MANIFEST_DIR: &str =
+            "Unexpectedly could not read `CARGO_MANIFEST_DIR` environment variable";
+        let mut cat_map: CatMap<Cow<'static, str>> = CatMap::new();
+        cat_map.insert(Cow::from("Apr"), Box::new("Showers"));
+        cat_map.insert(
+            Cow::from("May"),
+            Box::new(
+                Path::new(&env::var_os("CARGO_MANIFEST_DIR").expect(ENV_VAR_OS_CARGO_MANIFEST_DIR))
+                    .join("testdata")
+                    .join("may.txt"),
+            ),
+        );
+        assert_eq!(
+            cat_map.get(&Cow::from("Apr")).unwrap().cat().unwrap(),
+            String::from("Showers")
+        );
+        assert_eq!(
+            cat_map
+                .get(&Cow::from("May"))
+                .unwrap()
+                .cat()
+                .unwrap()
+                .trim_end(),
+            String::from("Flowers")
+        );
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index bee63c2..8ea23ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,5 @@
 mod error;
+mod io_cat;
 mod searcher;
 mod types;
 
diff --git a/src/types.rs b/src/types.rs
index 15d23dc..9ffbadc 100644
--- a/src/types.rs
+++ b/src/types.rs
@@ -3,5 +3,5 @@ use std::result;
 
 use crate::error::Error;
 
-pub(crate) type CatMap = io_cat::CatMap<Cow<'static, str>>;
+pub(crate) type CatMap = crate::io_cat::CatMap<Cow<'static, str>>;
 pub type Result<A> = result::Result<A, Error>;
diff --git a/tests/tests.rs b/tests/tests.rs
index d4513b4..384d42f 100644
--- a/tests/tests.rs
+++ b/tests/tests.rs
@@ -1,4 +1,3 @@
-use io_cat::CatMap;
 use rlua::{Context, Function, Lua, Table, UserData, UserDataMethods, Value};
 use rlua_searcher::{AddSearcher, Result};
 use std::borrow::Cow;