From 5f0a1e67c64082c848418daa2b51020eb42c5c12 Mon Sep 17 00:00:00 2001
From: Akshay <nerdy@peppe.rs>
Date: Mon, 25 Oct 2021 22:08:52 +0530
Subject: rework cli, use subcommands instead

---
 bin/src/main.rs | 72 ++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 40 insertions(+), 32 deletions(-)

(limited to 'bin/src/main.rs')

diff --git a/bin/src/main.rs b/bin/src/main.rs
index d0f69a0..9c57d91 100644
--- a/bin/src/main.rs
+++ b/bin/src/main.rs
@@ -6,50 +6,58 @@ mod traits;
 
 use std::io;
 
-use crate::{err::{StatixErr, FixErr}, traits::WriteDiagnostic};
+use crate::{err::{StatixErr, FixErr, SingleFixErr}, traits::WriteDiagnostic};
 
 use clap::Clap;
-use config::{FixConfig, LintConfig, Opts};
+use config::{Opts, SubCommand};
 use similar::TextDiff;
 
 fn _main() -> Result<(), StatixErr> {
     let opts = Opts::parse();
-    if opts.fix {
-        let fix_config = FixConfig::from_opts(opts)?;
-        let vfs = fix_config.vfs()?;
-        for entry in vfs.iter() {
-            if let Some(fix_result) = fix::fix(entry.contents) {
-                if fix_config.diff_only {
-                    let text_diff = TextDiff::from_lines(entry.contents, &fix_result.src);
-                    let old_file = format!("{}", entry.file_path.display());
-                    let new_file = format!("{} [fixed]", entry.file_path.display());
-                    println!(
-                        "{}",
-                        text_diff
+    match opts.cmd {
+        SubCommand::Check(check_config) => {
+            let vfs = check_config.vfs()?;
+            let (lints, errors): (Vec<_>, Vec<_>) = vfs.iter().map(lint::lint).partition(Result::is_ok);
+            let lint_results = lints.into_iter().map(Result::unwrap);
+            let errors = errors.into_iter().map(Result::unwrap_err);
+
+            let mut stdout = io::stdout();
+            lint_results.for_each(|r| {
+                stdout.write(&r, &vfs, check_config.format).unwrap();
+            });
+            errors.for_each(|e| {
+                eprintln!("{}", e);
+            });
+        },
+        SubCommand::Fix(fix_config) => {
+            let vfs = fix_config.vfs()?;
+            for entry in vfs.iter() {
+                if let Some(fix_result) = fix::all(entry.contents) {
+                    if fix_config.diff_only {
+                        let text_diff = TextDiff::from_lines(entry.contents, &fix_result.src);
+                        let old_file = format!("{}", entry.file_path.display());
+                        let new_file = format!("{} [fixed]", entry.file_path.display());
+                        println!(
+                            "{}",
+                            text_diff
                             .unified_diff()
                             .context_radius(4)
                             .header(&old_file, &new_file)
-                    );
-                } else {
-                    let path = entry.file_path;
-                    std::fs::write(path, &*fix_result.src).map_err(FixErr::InvalidPath)?;
+                            );
+                    } else {
+                        let path = entry.file_path;
+                        std::fs::write(path, &*fix_result.src).map_err(FixErr::InvalidPath)?;
+                    }
                 }
             }
+        },
+        SubCommand::Single(single_config) => {
+            let path = single_config.target;
+            let src = std::fs::read_to_string(&path).map_err(SingleFixErr::InvalidPath)?;
+            let (line, col) = single_config.position;
+            let single_result = fix::single(line, col, &src)?;
+            std::fs::write(&path, &*single_result.src).map_err(SingleFixErr::InvalidPath)?;
         }
-    } else {
-        let lint_config = LintConfig::from_opts(opts)?;
-        let vfs = lint_config.vfs()?;
-        let (lints, errors): (Vec<_>, Vec<_>) = vfs.iter().map(lint::lint).partition(Result::is_ok);
-        let lint_results = lints.into_iter().map(Result::unwrap);
-        let errors = errors.into_iter().map(Result::unwrap_err);
-
-        let mut stdout = io::stdout();
-        lint_results.for_each(|r| {
-            stdout.write(&r, &vfs, lint_config.format).unwrap();
-        });
-        errors.for_each(|e| {
-            eprintln!("{}", e);
-        });
     }
     Ok(())
 }
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