Added rsblocks.yml file and yaml parser to customize

1 files changed, 100 insertions, 0 deletions

diff --git a/src/load_config.rs b/src/load_config.rs
new file mode 100644
index 0000000..46a630e
--- /dev/null
+++ b/src/load_config.rs
@@ -0,0 +1,100 @@
+use std::env;
+use std::{fs::File, io::Error, io::Read};
+use yaml_rust::{yaml, YamlLoader};
+
+pub struct Time {
+    pub format: String,
+    pub icon: String,
+}
+
+pub struct Memory {
+    pub icon: String,
+}
+
+pub struct Disk {
+    pub icon: String,
+}
+
+pub struct Settings {
+    pub seperator: String,
+    pub time: Time,
+    pub memory: Memory,
+    pub disk: Disk,
+}
+
+pub fn load() -> Result<Settings, Error> {
+    let yml_source = env::var("HOME").unwrap() + "/.config/rsblocks/rsblocks.yml";
+    let mut data = String::new();
+    let mut file = match File::open(yml_source) {
+        Ok(file) => file,
+        Err(_) => {
+            println!("~/.config/rsblocks/rsblocks.yml file not found, loading defaults!");
+            return Ok(load_defaults());
+        }
+    };
+    file.read_to_string(&mut data)?;
+
+    let yml_doc = &YamlLoader::load_from_str(&data).unwrap()[0];
+    let settings = gen_settings(yml_doc);
+    Ok(settings)
+}
+
+fn gen_settings(doc: &yaml::Yaml) -> Settings {
+    let seperator: String;
+    let time_format: String;
+    let time_icon: String;
+    let mem_icon: String;
+    let disk_icon: String;
+
+    if doc["general"]["seperator"].is_badvalue() {
+        seperator = String::from("|");
+    } else {
+        seperator = String::from(doc["general"]["seperator"].as_str().unwrap());
+    }
+    if doc["time"]["icon"].is_badvalue() {
+        time_icon = String::from("")
+    } else {
+        time_icon = String::from(doc["time"]["icon"].as_str().unwrap());
+    }
+    if doc["time"]["format"].is_badvalue() {
+        time_format = String::from("%T")
+    } else {
+        time_format = String::from(doc["time"]["format"].as_str().unwrap())
+    }
+    if doc["memory"]["icon"].is_badvalue() {
+        mem_icon = String::from("")
+    } else {
+        mem_icon = String::from(doc["memory"]["icon"].as_str().unwrap());
+    }
+    if doc["disk"]["icon"].is_badvalue() {
+        disk_icon = String::from("")
+    } else {
+        disk_icon = String::from(doc["disk"]["icon"].as_str().unwrap());
+    }
+
+    Settings {
+        seperator,
+        time: Time {
+            format: time_format,
+            icon: time_icon,
+        },
+        memory: Memory { icon: mem_icon },
+        disk: Disk { icon: disk_icon },
+    }
+}
+
+fn load_defaults() -> Settings {
+    Settings {
+        seperator: String::from("|"),
+        time: Time {
+            format: String::from("%T"),
+            icon: String::from(""),
+        },
+        memory: Memory {
+            icon: String::from(""),
+        },
+        disk: Disk {
+            icon: String::from(""),
+        },
+    }
+}