From 4c152d55edc20ac55fd749a2b32b204134a664e3 Mon Sep 17 00:00:00 2001
From: Jan Allersma <janallersma@gmail.com>
Date: Dec 05 2018 17:03:08 +0000
Subject: Initial commit.


---

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8741fe0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+**/*.rs.bk
+*beheer.json
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..fdbf543
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,37 @@
+[[package]]
+name = "beheer"
+version = "0.1.0"
+dependencies = [
+ "serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "itoa"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "ryu"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "serde"
+version = "1.0.80"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "serde_json"
+version = "1.0.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[metadata]
+"checksum itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1306f3464951f30e30d12373d31c79fbd52d236e5e896fd92f96ec7babbbe60b"
+"checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
+"checksum serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "15c141fc7027dd265a47c090bf864cf62b42c4d228bbcf4e51a0c9e2b0d3f7ef"
+"checksum serde_json 1.0.33 (registry+https://github.com/rust-lang/crates.io-index)" = "c37ccd6be3ed1fdf419ee848f7c758eb31b054d7cd3ae3600e3bae0adf569811"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..56011b3
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "beheer"
+version = "0.1.0"
+authors = ["Jan Allersma <jan@allersma.be>"]
+
+[dependencies]
+serde_json = "1.0"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..3f087ab
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# Beheer
diff --git a/src/arguments/config/mod.rs b/src/arguments/config/mod.rs
new file mode 100644
index 0000000..7edf8e1
--- /dev/null
+++ b/src/arguments/config/mod.rs
@@ -0,0 +1,23 @@
+use std::io::{Result, Error, ErrorKind, Write};
+use std::fs::File;
+use std::path::PathBuf;
+
+pub fn create(mut path: PathBuf) -> Result<()> {
+    let content = json!({
+        "project-name": path.file_name().unwrap().to_str().unwrap(),
+        "version": 0.1
+    });
+
+    path.push("beheer.json");
+
+    match File::open(path.to_str().unwrap()) {
+        Ok(_) => return Err(Error::new(ErrorKind::AlreadyExists, "Already found a 'beheer.json' file.")),
+        Err(_) => {
+            match File::create(path) {
+                Ok(mut file) => file.write_all(content.to_string().as_bytes())?,
+                Err(e) => return Err(e)
+            }
+        }
+    }
+    Ok(())
+}
diff --git a/src/arguments/mod.rs b/src/arguments/mod.rs
new file mode 100644
index 0000000..26ddd0f
--- /dev/null
+++ b/src/arguments/mod.rs
@@ -0,0 +1,45 @@
+mod config;
+
+use std::env;
+
+pub fn parse() {
+    let mut argv = env::args();
+    let _ = argv.next();
+    let arg = argv.next();
+
+    match arg {
+        Some(argument) => {
+            if &argument == "--help" || &argument == "-h" {
+                show_help();
+            }
+            else if &argument == "init" {
+                init(&mut argv);
+            }
+        },
+        None => show_help()
+    }
+}
+
+fn show_help() {
+    println!("Syntax:");
+    println!("$ beheer [FLAG] [COMMAND [ARGUMENTS]]");
+    println!("");
+
+    println!("--help -h\t\tShow this message");
+    println!("");
+
+    println!("init [DIRECTORY]\tInitialize new project in specified directory. Defaults to current directory.");
+}
+
+fn init(args: &mut env::Args) {
+    let mut directory = env::current_dir().unwrap();
+
+    if let Some(projectname) = args.next() {
+        directory.push(&projectname);
+    }
+
+    match config::create(directory) {
+        Ok(_) => println!("Initialized project!"),
+        Err(e) => println!("Initializing project failed: {}", e)
+    }
+}
diff --git a/src/filesystem.rs b/src/filesystem.rs
new file mode 100644
index 0000000..e61a3c6
--- /dev/null
+++ b/src/filesystem.rs
@@ -0,0 +1,38 @@
+use std::{path, env};
+
+fn get_root (mut path: path::PathBuf) -> Option<path::PathBuf> {
+    loop {
+        let mut config = path.clone();
+        config.push("beheer.json");
+
+        if config.as_path().is_file() {
+            return Some(path);
+        }
+
+        if !path.pop() {
+            return None;
+        }
+    }
+}
+
+pub fn get_module_root() -> Option<path::PathBuf> {
+    get_root(env::current_dir().unwrap())
+}
+
+pub fn get_project_root() -> Option<path::PathBuf> {
+    let mut path = get_root(env::current_dir().unwrap());
+    let mut parentdir = path.clone();
+
+    loop {
+        match parentdir {
+            Some(mut p) => {
+                path = Some(path::PathBuf::from(p.clone()));
+                if !p.pop() {
+                    return path;
+                }
+                parentdir = get_root(p);
+            },
+            None => return path
+        }
+    }
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..74833f9
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,14 @@
+#[macro_use]
+extern crate serde_json;
+
+mod filesystem;
+mod arguments;
+
+fn main() {
+    match filesystem::get_project_root() {
+        Some(_) => println!("You are in a project."),
+        None => println!("You are not in a project.")
+    }
+
+    arguments::parse();
+}