Merge pull request #3 from MustafaSalih1993/dev

Added rsblocks.yml file and yaml parser to customize

9 files changed, 274 insertions, 20 deletions

diff --git a/Cargo.lock b/Cargo.lock
index c1c1c87..59ec1e5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,107 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "rs_blocks"
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.81"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+
+[[package]]
+name = "linked-hash-map"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "rsblocks"
 version = "0.1.0"
+dependencies = [
+ "chrono",
+ "yaml-rust",
+]
+
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi",
+ "winapi",
+]
+
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
+[[package]]
+name = "yaml-rust"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39f0c922f1a334134dc2f7a8b67dc5d25f0735263feec974345ff706bcf20b0d"
+dependencies = [
+ "linked-hash-map",
+]
diff --git a/Cargo.toml b/Cargo.toml
index 2e7e252..191edfe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "rs_blocks"
+name = "rsblocks"
 version = "0.1.0"
 authors = ["mustafa salih <mustafasalih1991@gmail.com>"]
 edition = "2018"
@@ -7,3 +7,5 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+chrono = "0.4"
+yaml-rust = "0.4"
\ No newline at end of file
diff --git a/README.md b/README.md
index d8a6a43..9bdc3c7 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,8 @@ A minimal fast dwm status bar written in **Rust** 🦀
 * Time/Date
 * Used Memory
 * Used Disk space
-* Minimal, Fast
+* Easy to configure
+* Minimal
 
 ## Note
 This tool is still in development stage.
@@ -29,6 +30,20 @@ mv ./target/release/rsblocks /usr/local/bin
 
 you good to go now and can run `rsblocks` from your terminal or put that in your `.xinitrc`
 
+## Configuration
+**rsblocks** will try to read the file `~/.config/rsblocks/rsblocks.yml`, if it does not exist, it will load the defaults.
+
+create the directory
+```sh
+mkdir ~/.config/rsblocks
+```
+
+copy the [template](./rsblocks.yml) to the new config directory (assuming you are in the root dir of the repo)
+```sh
+cp ./rsblocks.yml ~/.config/rsblocks/rsblocks.yml
+```
+
+
 ## Contributions
 All Contributions are welcome.
 
diff --git a/rsblocks.yml b/rsblocks.yml
new file mode 100644
index 0000000..86ea00e
--- /dev/null
+++ b/rsblocks.yml
@@ -0,0 +1,15 @@
+# This is the full configuration template available for rsblocks tool
+# the names are clearly defines itself.
+
+general:
+  seperator: '┃'
+
+time:
+  icon: ''
+  format: '%d %b, %I:%M:%S %p'
+
+memory:
+  icon: '▦'
+
+disk:
+  icon: ''
diff --git a/src/date.rs b/src/date.rs
index e5d4ebd..3254c11 100644
--- a/src/date.rs
+++ b/src/date.rs
@@ -1,11 +1,13 @@
-use std::process::Command;
+use crate::load_config::Settings;
+use chrono::prelude::*;
 
-pub fn fmt_date(ft: &str) -> String {
-    let cmd = format!("date +\"{}\"", ft);
-    let cmd = Command::new("sh").arg("-c").args(&[cmd]).output().unwrap();
-    let result = String::from_utf8_lossy(&cmd.stdout)
-        .to_string()
-        .trim()
-        .to_string();
-    format!("    {}  │", result)
+pub fn fmt_date(setting: &Settings) -> String {
+    let now = Local::now();
+
+    format!(
+        "  {}  {}  {}",
+        setting.time.icon,
+        now.format(&setting.time.format),
+        setting.seperator
+    )
 }
diff --git a/src/disk.rs b/src/disk.rs
index 72dd5bf..3c5db62 100644
--- a/src/disk.rs
+++ b/src/disk.rs
@@ -1,6 +1,7 @@
+use crate::load_config::Settings;
 use std::process::Command;
 
-pub fn disk_free() -> String {
+pub fn disk_free(setting: &Settings) -> String {
     let cmd = Command::new("sh")
         .arg("-c")
         .args(&["df -h"])
@@ -15,5 +16,8 @@ pub fn disk_free() -> String {
             break;
         }
     }
-    format!("    {}  │", disk_used)
+    format!(
+        "  {}  {}  {}",
+        setting.disk.icon, disk_used, setting.seperator
+    )
 }
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(""),
+        },
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index e69b5af..23960af 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,15 +4,18 @@ use std::time::Duration;
 
 mod date;
 mod disk;
+mod load_config;
 mod mem;
 
 fn main() {
+    let settings = load_config::load().unwrap();
+
     loop {
         let args = format!(
             "{}{}{}",
-            disk::disk_free(),
-            mem::mem().unwrap(),
-            date::fmt_date("%d %b, %I:%M:%S %p")
+            disk::disk_free(&settings),
+            mem::mem(&settings).unwrap(),
+            date::fmt_date(&settings)
         );
 
         Command::new("xsetroot")
diff --git a/src/mem.rs b/src/mem.rs
index ac0f0ae..8245c29 100644
--- a/src/mem.rs
+++ b/src/mem.rs
@@ -1,7 +1,10 @@
 use std::fs::File;
 use std::io::Read;
+
+use crate::load_config::Settings;
+
 //MemUsed = Memtotal + Shmem - MemFree - Buffers - Cached - SReclaimable
-pub fn mem() -> Result<String, std::io::Error> {
+pub fn mem(setting: &Settings) -> Result<String, std::io::Error> {
     let mut buf = String::new();
 
     File::open("/proc/meminfo")?.read_to_string(&mut buf)?;
@@ -48,9 +51,17 @@ pub fn mem() -> Result<String, std::io::Error> {
     let mem_used = (mem_total + shmem - mem_free - mem_buffers - mem_cached - mem_srecl) / 1024;
     let result: String;
     if mem_used > 1000 {
-        result = format!("  ▦  {:.1}G  │", mem_used as f32 / 1000.0);
+        result = format!(
+            "  {}  {:.1}G  {}",
+            setting.memory.icon,
+            mem_used as f32 / 1000.0,
+            setting.seperator
+        );
     } else {
-        result = format!("  ▦  {}M  │", mem_used);
+        result = format!(
+            "  {}  {}M  {}",
+            setting.memory.icon, mem_used, setting.seperator
+        );
     }
     Ok(result)
 }