From 9548c2c16708bed0ddd44b94b5577d4267b2ba61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=A1s=20Ortega=20Froysa?= <nicolas@ortegas.org>
Date: Thu, 2 Oct 2025 13:44:05 +0200
Subject: [PATCH] Fix buffer reading.

---
 src/worker.rs | 76 +++++++++++++++++++++++----------------------------
 1 file changed, 34 insertions(+), 42 deletions(-)

diff --git a/src/worker.rs b/src/worker.rs
index 1aa97c7..07cb529 100644
--- a/src/worker.rs
+++ b/src/worker.rs
@@ -27,11 +27,8 @@ use std::fs;
 use std::io::Read;
 use std::boxed::Box;
 
-// Read 1KiB of the file at a time.
-static BLOCK_SIZE:usize = 1024;
-
 pub fn work(in_path:Option<&str>, out_path:Option<&str>) -> Result<(), String>  {
-	let mut in_reader:Box<dyn io::Read> = match in_path {
+	let in_reader:Box<dyn io::Read> = match in_path {
 		Some(path) => {
 			let in_file = fs::File::open(path);
 			if let Err(e) = in_file {
@@ -57,54 +54,49 @@ pub fn work(in_path:Option<&str>, out_path:Option<&str>) -> Result<(), String>
 		},
 	};
 
-	let mut read_buf:[u8; BLOCK_SIZE] = [0; BLOCK_SIZE];
-	let mut last_ch:char = '\0';
+	let mut last_ch = '\0';
 	let mut tab_num = 0;
 
-	while in_reader.read(&mut read_buf).unwrap() > 0 {
-		for i in read_buf {
-			let ch = i as char;
-			match ch {
-				'[' | '{' => {
-					tab_num += 1;
-					out_writer.write(format!("{ch}\n").as_bytes()).unwrap();
-					for _ in 0..tab_num {
-						out_writer.write(b"  ").unwrap();
-					}
-					last_ch = ' ';
-				},
-				']' | '}' => {
-					tab_num -= 1;
+	for i in in_reader.bytes() {
+		let ch = i.unwrap() as char;
+		match ch {
+			'[' | '{' => {
+				tab_num += 1;
+				out_writer.write(format!("{ch}\n").as_bytes()).unwrap();
+				for _ in 0..tab_num {
+					out_writer.write(b"  ").unwrap();
+				}
+				last_ch = ' ';
+			},
+			']' | '}' => {
+				tab_num -= 1;
+				out_writer.write(b"\n").unwrap();
+				for _ in 0..tab_num {
+					out_writer.write(b"  ").unwrap();
+				}
+				out_writer.write(format!("{ch}").as_bytes()).unwrap();
+				last_ch = ch;
+			},
+			',' => {
+				out_writer.write(format!("{ch}").as_bytes()).unwrap();
+				if last_ch == '}' || last_ch == ']' {
 					out_writer.write(b"\n").unwrap();
 					for _ in 0..tab_num {
 						out_writer.write(b"  ").unwrap();
 					}
+					last_ch = ' ';
+				} else {
+					last_ch = ch;
+				}
+			},
+			_ => {
+				if ch != ' ' || last_ch != ' ' {
 					out_writer.write(format!("{ch}").as_bytes()).unwrap();
 					last_ch = ch;
-				},
-				',' => {
-					out_writer.write(format!("{ch}").as_bytes()).unwrap();
-					if last_ch == '}' || last_ch == ']' {
-						out_writer.write(b"\n").unwrap();
-						for _ in 0..tab_num {
-							out_writer.write(b"  ").unwrap();
-						}
-						last_ch = ' ';
-					} else {
-						last_ch = ch;
-					}
-				},
-				_ => {
-					if ch != ' ' || last_ch != ' ' {
-						out_writer.write(format!("{ch}").as_bytes()).unwrap();
-						last_ch = ch;
-					}
-				},
-			}
+				}
+			},
 		}
 	}
 
-	out_writer.flush().unwrap();
-
 	Ok(())
 }