From 242b0b9591fa4fd5f8b4a45ec4c179f451c62c14 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Sun, 15 May 2022 23:44:53 -0700
Subject: feat: initial development release

---
 src/commands/format.rs | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/commands/format.rs

(limited to 'src/commands/format.rs')

diff --git a/src/commands/format.rs b/src/commands/format.rs
new file mode 100644
index 0000000..a0aabc4
--- /dev/null
+++ b/src/commands/format.rs
@@ -0,0 +1,79 @@
+// This file is part of Chorus <https://github.com/Fuwn/chorus>.
+// Copyright (C) 2022-2022 Fuwn <contact@fuwn.me>
+//
+// 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 <contact@fuwn.me>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::path::PathBuf;
+
+use walkdir::{DirEntry, WalkDir};
+
+/// Format an existing Chorus package
+#[allow(clippy::unnecessary_wraps)]
+pub fn format(path: &Option<PathBuf>) -> anyhow::Result<()> {
+  let our_path = path.clone().unwrap_or_else(|| PathBuf::from("."));
+
+  // Only try to format if the target Chorus package directory exists
+  if our_path.exists() {
+    let mut entries: Vec<DirEntry> = vec![];
+
+    std::env::set_current_dir(&our_path)?;
+
+    // Iterate over all paths in the target Chorus package
+    for entry in WalkDir::new(our_path).into_iter().filter_map(Result::ok) {
+      // Only track COBOL files to format if the file has a valid COBOL extension
+      if entry
+        .file_name()
+        .to_str()
+        .unwrap_or("")
+        .rsplit('.')
+        .next()
+        .map(|extension: &str| {
+          #[allow(clippy::blocks_in_if_conditions)]
+          {
+            let mut valid_extension = false;
+
+            // If any user defined COBOL extensions exist, check against them;
+            // otherwise, check against the "cbl" file extension.
+            if let Some(valid_extensions) =
+              &crate::config::CONFIG.build.extensions
+            {
+              for an_extension in valid_extensions {
+                if valid_extension {
+                  break;
+                }
+
+                valid_extension = extension.eq_ignore_ascii_case(an_extension);
+              }
+            } else {
+              valid_extension = extension.eq_ignore_ascii_case("cbl");
+            }
+
+            valid_extension
+          }
+        })
+        == Some(true)
+      {
+        entries.push(entry);
+      }
+    }
+
+    for entry in entries {
+      println!("entry: {:?}", entry);
+    }
+  }
+
+  Ok(())
+}
-- 
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