1 files changed, 25 insertions, 2 deletions
diff --git a/src/error/mod.rs b/src/error/mod.rs
index 964d83e..6eb6c15 100644
--- a/src/error/mod.rs
+++ b/src/error/mod.rs
@@ -23,6 +23,7 @@
 
 use std::error::Error as StdError;
 use std::fmt::{Display, Formatter};
+use std::str::Utf8Error;
 
 /// Mapping of [`std::result::Result`].
 pub type Result<T> = std::result::Result<T, Error>;
@@ -37,10 +38,14 @@ pub enum Error {
 
 EndOfDStream { len: usize, ok_len: usize },
 
+ FixedStringTooShort { len: usize, s: String },
+
 InvalidBoolean { value: u8 },
 
 InvalidCodePoint { value: u32 },
 
+ InvalidUtf8 { source: Utf8Error },
+
 NullInteger,
 }
 
@@ -57,13 +62,21 @@ impl Display for Error {
 write!(f, "({ok_len}) byte(s) were requested but only ({len}) byte(s) were left")
 },
 
+ FixedStringTooShort { len, ref s } => {
+ write!(f, "fixed string with `N = {len}` cannot hold {s:?}")
+ },
+
 InvalidBoolean { value } => {
 write!(f, "expected boolean but got {value:#02X}")
 },
 
 InvalidCodePoint { value } => {
 write!(f, "code point U+{value:04X} is not valid")
- }
+ },
+
+ InvalidUtf8 { ref source } =>{
+ write!(f, "unable to parse utf8: \"{source}\"")
+ },
 
 NullInteger => {
 write!(f, "expected non-zero integer but got (0)")
@@ -72,4 +85,14 @@ impl Display for Error {
 }
 }
 
-impl StdError for Error { }
+impl StdError for Error {
+ fn source(&self) -> Option<&(dyn StdError + 'static)> {
+ use Error::*;
+
+ match *self {
+ InvalidUtf8 { ref source } => Some(source),
+
+ _ => None,
+ }
+ }
+}