Fix various bugs

1 files changed, 6 insertions, 35 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 16329bd..8a03384 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,6 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 extern crate alloc;
-use alloc::borrow::Cow;
 #[cfg(not(feature = "std"))]
 use alloc::collections::BTreeMap as Map;
 use alloc::sync::Arc;
@@ -40,37 +39,9 @@ pub struct Configuration {
 impl fmt::Display for Configuration {
 	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 		let mut lines = vec![];
-		fn format_value(val: &str) -> Cow<str> {
-			if val.chars().all(|c| !c.is_ascii_control())
-				&& !val.starts_with(['\'', '"', '`'])
-				&& !val.starts_with(char::is_whitespace)
-			{
-				return Cow::Borrowed(val);
-			}
-			let mut quoted = String::from("\"");
-			for c in val.chars() {
-				if c == '"' {
-					quoted.push_str("\\\"");
-				} else if c == '\n' {
-					quoted.push_str("\\n");
-				} else if c == '\r' {
-					quoted.push_str("\\r");
-				} else if c == '\t' {
-					quoted.push_str("\\t");
-				} else if c == '\\' {
-					quoted.push('\\');
-				} else if c.is_ascii_control() {
-					quoted.push_str(&format!("\\x{:02x}", c as u32));
-				} else {
-					quoted.push(c);
-				}
-			}
-			quoted.push('"');
-			Cow::Owned(quoted)
-		}
 		fn add_lines(lines: &mut Vec<String>, prefix: &str, conf: &Configuration) {
 			for (key, val) in conf.values.iter() {
-				lines.push(format!("{prefix}{key}: {}", format_value(&val.value)));
+				lines.push(format!("{prefix}{key} = {:?}", val.value));
 			}
 			for (key, child) in conf.children.iter() {
 				add_lines(lines, &format!("{prefix}{key}."), child);
@@ -359,7 +330,7 @@ impl Parser {
 		loop {
 			let line = if first {
 				first = false;
-				quoted
+				&quoted[1..]
 			} else {
 				line_buf.truncate(0);
 				if !reader.read_until_lf(&mut line_buf)? {
@@ -420,7 +391,7 @@ impl Parser {
 								self.nonfatal_errors
 									.push(Error::InvalidValue(location(line_number)));
 							}
-							unquoted.push(char::try_from(nibble1 << 8 | nibble2).unwrap());
+							unquoted.push(char::try_from(nibble1 << 4 | nibble2).unwrap());
 						}
 						'u' => {
 							let mut c = chars.next();
@@ -467,6 +438,7 @@ impl Parser {
 					unquoted.push(c);
 				}
 			}
+			unquoted.push('\n');
 		}
 		Err(Error::UnterminatedString(start_location.clone(), delimiter))
 	}
@@ -603,13 +575,12 @@ impl Configuration {
 			.map(|x| x.as_ref())
 	}
 	fn get_val(&self, key: &str) -> Option<&Value> {
-		let Some(last_dot) = key.rfind('.') else {
+		let Some((path, last_component)) = key.rsplit_once('.') else {
 			return self.values.get(key);
 		};
-		let (path, last_component) = key.split_at(last_dot);
 		let mut node = self;
 		for component in path.split('.') {
-			node = self.children.get(component)?;
+			node = node.children.get(component)?;
 		}
 		node.values.get(last_component)
 	}