Add config file

3 files changed, 38 insertions, 2 deletions

diff --git a/src/errors.rs b/src/errors.rs
index be78bcf..9f570d2 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -1,5 +1,7 @@
+use std::io;
 use std::num::ParseIntError;
 use ical::parser;
+use toml;
 
 #[derive(Debug)]
 pub enum EventError {
@@ -20,3 +22,22 @@ impl From<ParseIntError> for EventError {
         EventError::IntError(err)
     }
 }
+
+#[derive(Debug)]
+pub enum ConfigError {
+    IOError(io::Error),
+    ParseError(toml::de::Error),
+    MissingPath,
+}
+
+impl From<io::Error> for ConfigError {
+    fn from(err: io::Error) -> ConfigError {
+        ConfigError::IOError(err)
+    }
+}
+
+impl From<toml::de::Error> for ConfigError {
+    fn from(err: toml::de::Error) -> ConfigError {
+        ConfigError::ParseError(err)
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index b82b190..3b0498c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,14 +2,21 @@ extern crate ical;
 extern crate chrono;
 extern crate chrono_tz;
 extern crate itertools;
+extern crate dirs;
+extern crate toml;
+
+#[macro_use]
+extern crate serde_derive;
 
 mod date;
 mod event;
 mod periodic;
 mod calendar;
+mod config;
 mod errors;
 
 pub use calendar::Calendar;
 pub use date::Date;
 pub use chrono::Duration;
 pub use event::Event;
+pub use config::Config;
diff --git a/src/main.rs b/src/main.rs
index beca8d9..b7afdb9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,19 +12,27 @@ use almanac::Calendar;
 use almanac::Date;
 use almanac::Duration;
 use almanac::Event;
+use almanac::Config;
 
 fn main() {
     let mut args = env::args().skip(1);
     let period_arg = match args.next() {
         Some(arg) => arg,
         None => {
-            println!("Usage: almanac [day|week|month] ics [ics ...]");
+            println!("Usage: almanac day|week|month [ical ...]");
             return;
         }
     };
     let (first, last) = period(&period_arg);
 
-    let calendars: Vec<_> = args.map(|arg| ics_calendar(&arg)).collect();
+    let mut calendars: Vec<_> = args.map(|arg| ics_calendar(&arg)).collect();
+    if calendars.is_empty() {
+        let conf = Config::parse().unwrap();
+        for cal in &conf.cals {
+            calendars.push(ics_calendar(cal))
+        }
+    }
+
     let events = calendars
         .iter()
         .map(|c| c.iter())