diff view

src/diff.rs

@@ -1,31 +1,33 @@
+use color_print::cformat;
+
 pub struct Compare {
 	pub right: String,
 	pub left: String,
-	pub eval: String
 }
-type Compared = Compare;
+pub struct Compared {
+	pub right: String,
+	pub left: String,
+}
 
 pub struct Comparer {
-	formatted_right: Vec<String>,
-	formatted_left: Vec<String>,
-	formatted_eval: Vec<String>
+	formatted_right: String,
+	formatted_left: String
 }
 impl Comparer {
 	pub const fn new() -> Self {
 		Self {
-			formatted_right: Vec::new(),
-			formatted_left: Vec::new(),
-			formatted_eval: Vec::new(),
+			formatted_right: String::new(),
+			formatted_left:  String::new(),
 		}
 	}
 
 	fn format_compare(&mut self, left_char: char, right_char: char) {
 		if left_char == right_char {
-			self.formatted_left.push(left_char.to_string());
-			self.formatted_right.push(right_char.to_string());
+			self.formatted_left.push(left_char);
+			self.formatted_right.push(right_char);
 		} else {
-			self.formatted_left.push(color_print::cformat!("<r>{left_char}</>"));
-			self.formatted_right.push(color_print::cformat!("<r>{right_char}</>"));
+			self.formatted_left.push_str(&cformat!("<r>{left_char}</>"));
+			self.formatted_right.push_str(&cformat!("<r>{right_char}</>"));
 		};
 	}
 
@@ -35,18 +37,12 @@ impl Comparer {
 		for (i, left_char) in compare.left.chars().enumerate() {
 			match right_chars.get(i) {
 				Some(right_char) => self.format_compare(left_char, *right_char),
-				None => {
-					compare.eval.chars().for_each(|char| {
-						// self.formatted_eval
-					});
-					break
-				},
+				None => break,
 			}
 		}
 		Compared {
-			right: self.formatted_right.concat(),
-			left: self.formatted_left.concat(),
-			eval: self.formatted_eval.concat()
+			right: self.formatted_right.clone(),
+			left:  self.formatted_left.clone()
 		}
 	}
 }

src/eval.rs

@@ -1,5 +1,6 @@
 use std::num::ParseIntError;
 
+#[allow(dead_code)]
 pub enum EvalError {
 	LeftMissing,
 	RightMissing,

src/input.rs

@@ -29,26 +29,34 @@ impl Out {
 		match eval_error {
 			EvalError::I64Conversion(parse_int_error) => println!("{parse_int_error}"),
 			EvalError::InvalidOperator(invalid_op) => println!("The operator {:?} is invalid.", invalid_op),
+			EvalError::LeftMissing => println!("Left side expression missing."),
+			EvalError::RightMissing => println!("Right side expression missing."),
 		}
 	}
 
+	fn padded(&self, diffed_left: &str, diffed_right: &str, diffed_eval: String) -> String {
+		let diffed_eval_chars = diffed_eval.chars().count();
+		let mut char_counts = [diffed_left.chars().count(), diffed_right.chars().count(), diffed_eval_chars];
+		char_counts.sort();
+		let subtracted_count = char_counts.last().map_or(0, |biggest_len| {
+			*biggest_len-diffed_eval_chars
+		});
+		format!("{}{diffed_eval}", "0".repeat(subtracted_count))
+	}
+
 	pub fn evaled(&self, eval_out: Result<EvalResult, EvalError>) {
 		eval_out.map_or_else(|e| self.error(e), |result| {
-			let eval_base2 = base::binary(result.eval);
-			let left       = base::binary(result.input.left);
-			let right      = base::binary(result.input.right);
-
 			let mut differ = diff::Comparer::new();
 			let diffed = differ.compare(Compare {
-				right: right.clone(),
-				left: left.clone(),
-				eval: eval_base2.clone(),
+				right: base::binary(result.input.right),
+				left: base::binary(result.input.left),
 			});
 
+			let padded_eval = self.padded(&diffed.left, &diffed.right, base::binary(result.eval));
 			println!("{}", diffed.left);
 			println!("{}", diffed.right);
-			println!("{}", "-".repeat(eval_base2.chars().count()));
-			println!("{}", diffed.eval)
+			println!("{}", "-".repeat(padded_eval.chars().count()));
+			println!("{}", padded_eval)
 		})
 	}
 }