1 files changed, 104 insertions, 0 deletions
diff --git a/src/cli.rs b/src/cli.rs
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+// This file is part of Chorus <https://github.com/Fuwn/chorus>.
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use clap::{Parser, Subcommand};
+
+use crate::commands;
+
+#[derive(Parser)]
+#[clap(author, version, about, long_about = None)]
+#[clap(propagate_version = true)]
+struct Chorus {
+  #[clap(subcommand)]
+  command: Commands,
+
+  /// Enable debug output
+  #[clap(short, long, parse(from_occurrences))]
+  debug: usize,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+  /// Create a new Chorus package in an existing directory
+  Init {
+    /// The location to create the new Chorus package at
+    path: Option<std::path::PathBuf>,
+  },
+  /// Create a new Chorus package in a new directory
+  New {
+    /// The location to create the new Chorus project at
+    path: std::path::PathBuf,
+  },
+  /// Format all COBOL files within a Chorus package
+  Fmt {
+    /// The location of the target Chorus package to format
+    #[clap(short, long)]
+    path: Option<std::path::PathBuf>,
+  },
+  /// Compile the Chorus package within the current directory
+  Build {
+    /// The location of the target Chorus package to build
+    #[clap(short, long)]
+    path:   Option<std::path::PathBuf>,
+    #[clap(short, long)]
+    output: Option<std::path::PathBuf>,
+  },
+}
+
+/// Setup and handle command-line interactions
+pub fn evaluate() {
+  // Set up the CLI
+  let chorus = Chorus::parse();
+
+  // Handle CLI command
+  match &chorus.command {
+    Commands::Init {
+      path,
+    } => {
+      if let Err(why) = commands::init_new(path, true) {
+        println!("error: could not initialise package: {}", why);
+        std::process::exit(1);
+      };
+    }
+    Commands::New {
+      path,
+    } => {
+      if let Err(why) = commands::init_new(&Some(path.clone()), false) {
+        println!("error: could not create new package: {}", why);
+        std::process::exit(1);
+      };
+    }
+    Commands::Fmt {
+      path,
+    } => {
+      if let Err(why) = commands::format(path) {
+        println!("error: could not format package: {}", why);
+        std::process::exit(1);
+      };
+    }
+    Commands::Build {
+      path,
+      output,
+    } => {
+      if let Err(why) = commands::build(path, output) {
+        println!("error: could not build package: {}", why);
+        std::process::exit(1);
+      };
+    }
+  }
+}