From 4b99fb70fa61addf2373a460d6d5c7fe82e19f5a Mon Sep 17 00:00:00 2001
From: Scott Worley <scottworley@scottworley.com>
Date: Mon, 19 Aug 2024 11:45:25 -0700
Subject: [PATCH] Start connecting stuff

---
 src/lib.rs  | 18 ++++++++++--------
 src/main.rs |  2 +-
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index fcf5dc8..8d60eb8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,5 @@
-#[cfg(test)]
 use std::collections::{HashMap, HashSet};
-#[cfg(test)]
 use std::io::BufRead;
-#[cfg(test)]
 use std::iter::Iterator;
 
 #[derive(Debug, PartialEq, Eq)]
@@ -16,7 +13,6 @@ struct Reader<Input: Iterator<Item = Result<String, std::io::Error>>> {
     row: Option<RowInput>,
 }
 impl<Input: Iterator<Item = Result<String, std::io::Error>>> Reader<Input> {
-    #[cfg(test)]
     fn new(input: Input) -> Self {
         Self {
             input: input.enumerate(),
@@ -63,12 +59,10 @@ impl<Input: Iterator<Item = Result<String, std::io::Error>>> Iterator for Reader
     }
 }
 
-#[cfg(test)]
 fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = Result<RowInput, std::io::Error>> {
     Reader::new(std::io::BufReader::new(input).lines())
 }
 
-#[cfg(test)]
 fn column_counts(rows: &[RowInput]) -> Vec<(usize, String)> {
     let mut counts: Vec<_> = rows
         .iter()
@@ -86,8 +80,16 @@ fn column_counts(rows: &[RowInput]) -> Vec<(usize, String)> {
     counts
 }
 
-pub fn tablify(_input: &impl std::io::Read) -> String {
-    String::from("Hello, world!")
+/// # Errors
+///
+/// Will return `Err` if
+///   * there's an i/o error while reading `input`
+///   * the log has invalid syntax:
+///     * an indented line with no preceding non-indented line
+pub fn tablify(input: impl std::io::Read) -> Result<String, std::io::Error> {
+    let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
+    let _columns = column_counts(&rows);
+    Ok(String::from("Hello, world!"))
 }
 
 #[cfg(test)]
diff --git a/src/main.rs b/src/main.rs
index 95f468f..8cf4859 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,3 @@
 fn main() {
-    print!("{}", tablify::tablify(&std::io::stdin()));
+    print!("{}", tablify::tablify(std::io::stdin()).unwrap());
 }
-- 
2.44.1