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Configuration is optional

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This commit is contained in:
Matthias Beyer 2016-03-05 13:01:09 +01:00
parent 21d5d32d50
commit 2fa10067fb
2 changed files with 14 additions and 8 deletions
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2
libimagrt/src/configuration.rs
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@ -16,7 +16,6 @@ pub mod error {
*/
#[derive(Clone, Debug, PartialEq)]
pub enum ConfigErrorKind {
ConfigNotFound,
ConfigParsingFailed,
NoConfigFileFound,
}
@ -54,7 +53,6 @@ pub mod error {
*/
pub fn as_str(e: &ConfigError) -> &'static str {
match e.kind() {
ConfigErrorKind::ConfigNotFound => "Config not found",
ConfigErrorKind::ConfigParsingFailed => "Config parsing failed",
ConfigErrorKind::NoConfigFileFound => "No config file found",
}

16
libimagrt/src/runtime.rs
View file

@ -15,7 +15,7 @@ use libimagstore::store::Store;
pub struct Runtime<'a> {
rtp: PathBuf,
configuration: Configuration,
configuration: Option<Configuration>,
cli_matches: ArgMatches<'a>,
store: Store,
}
@ -34,6 +34,8 @@ impl<'a> Runtime<'a> {
use std::env;
use std::error::Error;
use configuration::error::ConfigErrorKind;
let matches = cli_spec.get_matches();
let rtp : PathBuf = matches.value_of("runtimepath")
.map(PathBuf::from)
@ -54,11 +56,17 @@ impl<'a> Runtime<'a> {
});
let cfg = Configuration::new(&rtp);
if cfg.is_err() {
let cause : Option<Box<Error>> = Some(Box::new(cfg.err().unwrap()));
let cfg = if cfg.is_err() {
let e = cfg.err().unwrap();
if e.kind() != ConfigErrorKind::NoConfigFileFound {
let cause : Option<Box<Error>> = Some(Box::new(e));
return Err(RuntimeError::new(RuntimeErrorKind::Instantiate, cause));
} else {
None
}
let cfg = cfg.unwrap();
} else {
Some(cfg.unwrap())
};
Store::new(storepath).map(|store| {
Runtime {