Make Asset impls avoid panics when parsing fails

common/src/assets/mod.rs

@@ -19,8 +19,8 @@ use std::{
 /// The error returned by asset loading functions
 #[derive(Debug, Clone)]
 pub enum Error {
-    /// An internal error occurred.
+    /// Parsing error occurred.
-    Internal(Arc<dyn std::error::Error>),
+    ParseError(Arc<dyn std::fmt::Debug>),
     /// An asset of a different type has already been loaded with this
     /// specifier.
     InvalidType,
@@ -28,10 +28,16 @@ pub enum Error {
     NotFound(String),
 }
 
+impl Error {
+    pub fn parse_error<E: std::fmt::Debug + 'static>(err: E) -> Self {
+        Self::ParseError(Arc::new(err))
+    }
+}
+
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
-            Error::Internal(err) => err.fmt(f),
+            Error::ParseError(err) => write!(f, "{:?}", err),
             Error::InvalidType => write!(
                 f,
                 "an asset of a different type has already been loaded with this specifier."
@@ -226,7 +232,7 @@ impl Asset for DynamicImage {
     fn parse(mut buf_reader: BufReader<File>) -> Result<Self, Error> {
         let mut buf = Vec::new();
         buf_reader.read_to_end(&mut buf)?;
-        Ok(image::load_from_memory(&buf).unwrap())
+        image::load_from_memory(&buf).map_err(Error::parse_error)
     }
 }
 
@@ -236,7 +242,7 @@ impl Asset for DotVoxData {
     fn parse(mut buf_reader: BufReader<File>) -> Result<Self, Error> {
         let mut buf = Vec::new();
         buf_reader.read_to_end(&mut buf)?;
-        Ok(dot_vox::load_bytes(&buf).unwrap())
+        dot_vox::load_bytes(&buf).map_err(Error::parse_error)
     }
 }
 
@@ -245,7 +251,7 @@ impl Asset for Value {
     const ENDINGS: &'static [&'static str] = &["json"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, Error> {
-        Ok(serde_json::from_reader(buf_reader).unwrap())
+        serde_json::from_reader(buf_reader).map_err(Error::parse_error)
     }
 }
 

common/src/comp/body.rs

@@ -16,7 +16,7 @@ use crate::{
 };
 use specs::{Component, FlaggedStorage};
 use specs_idvs::IDVStorage;
-use std::{fs::File, io::BufReader, sync::Arc};
+use std::{fs::File, io::BufReader};
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
 #[repr(u32)]
@@ -84,7 +84,7 @@ impl<
     const ENDINGS: &'static [&'static str] = &["json"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        serde_json::de::from_reader(buf_reader).map_err(|e| assets::Error::Internal(Arc::new(e)))
+        serde_json::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 

common/src/comp/inventory/item/mod.rs

@@ -75,7 +75,7 @@ impl Asset for Item {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).unwrap())
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 

voxygen/src/hud/item_imgs.rs

@@ -78,7 +78,7 @@ impl Asset for ItemImagesSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing item images spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 

voxygen/src/i18n.rs

@@ -108,7 +108,8 @@ impl Asset for VoxygenLocalization {
     /// Load the translations located in the input buffer and convert them
     /// into a `VoxygenLocalization` object.
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        let mut asked_localization: VoxygenLocalization = from_reader(buf_reader).unwrap();
+        let mut asked_localization: VoxygenLocalization =
+            from_reader(buf_reader).map_err(assets::Error::parse_error)?;
 
         // Update the text if UTF-8 to ASCII conversion is enabled
         if asked_localization.convert_utf8_to_ascii {

voxygen/src/scene/figure/load.rs

@@ -139,7 +139,7 @@ impl Asset for HumHeadSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid head spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -261,49 +261,49 @@ impl Asset for HumArmorShoulderSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor shoulder spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumArmorChestSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor chest spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumArmorHandSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor hand spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumArmorBeltSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor belt spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumArmorPantsSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor pants spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumArmorFootSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid armor foot spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 impl Asset for HumMainWeaponSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing humanoid main weapon spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -667,7 +667,7 @@ impl Asset for QuadrupedSmallCentralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing quad_small central spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -675,7 +675,7 @@ impl Asset for QuadrupedSmallLateralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing quadruped small lateral spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -828,7 +828,7 @@ impl Asset for QuadrupedMediumCentralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing quadruped medium central spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -836,7 +836,7 @@ impl Asset for QuadrupedMediumLateralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing quadruped medium lateral spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -1074,7 +1074,7 @@ impl Asset for BirdMediumCenterSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing bird medium center spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -1082,7 +1082,7 @@ impl Asset for BirdMediumLateralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing bird medium lateral spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -1232,7 +1232,7 @@ impl Asset for CritterCenterSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing critter center spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -1587,7 +1587,7 @@ impl Asset for BipedLargeCenterSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing biped large center spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 
@@ -1595,7 +1595,7 @@ impl Asset for BipedLargeLateralSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing biped large lateral spec"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }
 

world/src/block/natural.rs

@@ -87,7 +87,7 @@ impl Asset for StructuresSpec {
     const ENDINGS: &'static [&'static str] = &["ron"];
 
     fn parse(buf_reader: BufReader<File>) -> Result<Self, assets::Error> {
-        Ok(ron::de::from_reader(buf_reader).expect("Error parsing structure specs"))
+        ron::de::from_reader(buf_reader).map_err(assets::Error::parse_error)
     }
 }