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Code Issues Releases Wiki Activity

Better error handling

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This commit is contained in:
David Peter 2022-05-29 20:48:37 +02:00
parent 3811615606
commit bc91af3ee5
1 changed files with 18 additions and 3 deletions
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21
src/bin/bat/main.rs
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@ -225,20 +225,33 @@ fn load_and_run_preprocess_plugins(plugins: &[&OsStr], inputs: &mut Vec<Input>)
use std::fs;
use std::path::PathBuf;
if plugins.is_empty() {
// Do not create Lua context if there are no plugins
return Ok(());
}
let lua = Lua::new();
for plugin_name in plugins {
// TODO: properly load plugins from a central directory + user directories
// TODO: how to handle plugin priority?
let mut plugin_path = PathBuf::from("plugins");
plugin_path.push(plugin_name);
let plugin_source_code = fs::read_to_string(&plugin_path).unwrap(); // TODO: proper error handling
let plugin_source_code = fs::read_to_string(&plugin_path).map_err(|e| {
format!(
"Could not load bat plugin '{}': {}",
plugin_path.to_string_lossy(),
e
)
})?;
lua.context::<_, LuaResult<()>>(|lua_ctx| {
let globals = lua_ctx.globals();
lua_ctx.load(&plugin_source_code).exec()?;
// Plugins are expected to have a 'preprocess' function
let preprocess: Function = globals.get("preprocess")?;
for input in inputs.iter_mut() {
@ -248,8 +261,10 @@ fn load_and_run_preprocess_plugins(plugins: &[&OsStr], inputs: &mut Vec<Input>)
*path = PathBuf::from(new_path);
input.metadata.user_provided_name =
Some(PathBuf::from(path.file_name().unwrap())); // TODO
// TODO: the following line overwrites actual user provided names. However,
// this is necessary to get proper syntax highlighting for the path that
// is being provided by the plugin.
input.metadata.user_provided_name = Some(path.clone());
}
}