+1

.gitignore

··· 1 1 + target/

+335

Cargo.lock

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+1

Cargo.toml

··· 10 10 ron = "0.8" 11 11 serde = "1.0.136" 12 12 serde_derive = "1.0.136" 13 13 + xdg-home = "1.0.0"

+14 -14

src/args.rs src/dbm/args.rs

··· 1 1 use clap::{Args, Parser, Subcommand}; 2 2 3 3 + #[derive(Debug, Args)] 4 4 + pub struct Key { 5 5 + pub key: String, 6 6 + } 7 7 + 8 8 + #[derive(Debug, Args)] 9 9 + pub struct KeyVal { 10 10 + pub key: String, 11 11 + pub value: String, 12 12 + } 13 13 + 3 14 #[derive(Debug, Parser)] 4 15 #[clap(author, version, about)] 5 5 - pub struct ResArgs { 16 16 + pub struct CLIArgs { 6 17 #[clap(subcommand)] 7 18 /// this is a subcommand 8 8 - pub option: EntityType, 19 19 + pub command: Command, 9 20 } 10 21 11 22 #[derive(Debug, Subcommand)] 12 12 - pub enum EntityType { 23 23 + pub enum Command { 13 24 /// Retrieve the value associated with <KEY> from resource file 14 25 Get(Key), 15 26 /// Set a <VALUE> for a given <KEY> in the resource file (will print to stdout the associated ··· 18 29 /// Pretty print the entire resource file 19 30 All, 20 31 } 21 21 - 22 22 - #[derive(Debug, Args)] 23 23 - pub struct Key { 24 24 - pub key: String, 25 25 - } 26 26 - 27 27 - #[derive(Debug, Args)] 28 28 - pub struct KeyVal { 29 29 - pub key: String, 30 30 - pub value: String, 31 31 - }

+103

src/dbm.rs

··· 1 1 + mod args; 2 2 + use args::{CLIArgs, Command}; 3 3 + use clap::Parser; 4 4 + use ron::error::Error; 5 5 + use ron::error::SpannedError; 6 6 + use ron::ser; 7 7 + use ron::ser::PrettyConfig; 8 8 + use std::{collections::HashMap, fs, io, path::PathBuf}; 9 9 + 10 10 + /* === Types === */ 11 11 + enum QueryError { 12 12 + ParseError(String), 13 13 + FileMissing(PathBuf), 14 14 + KeyMissing(String), 15 15 + IOError(io::Error), 16 16 + } 17 17 + 18 18 + impl From<SpannedError> for QueryError { 19 19 + fn from(e: SpannedError) -> Self { 20 20 + QueryError::ParseError(format!( 21 21 + "Parse error at position: {}. In code: {}", 22 22 + e.position, e.code 23 23 + )) 24 24 + } 25 25 + } 26 26 + 27 27 + impl From<Error> for QueryError { 28 28 + fn from(e: Error) -> Self { 29 29 + QueryError::ParseError(format!( 30 30 + "Parse error: {}", 31 31 + match e { 32 32 + Error::Message(string) => string, 33 33 + _ => "".to_string(), 34 34 + } 35 35 + )) 36 36 + } 37 37 + } 38 38 + 39 39 + impl QueryError { 40 40 + fn display(&self) { 41 41 + match self { 42 42 + QueryError::ParseError(string) => eprintln!("{string}"), 43 43 + QueryError::FileMissing(path) => eprintln!("File missing: {}", path.display()), 44 44 + QueryError::IOError(err) => eprintln!("{err}"), 45 45 + QueryError::KeyMissing(key) => eprintln!("The following key was not found: {key}"), 46 46 + } 47 47 + } 48 48 + } 49 49 + 50 50 + type RonMap = HashMap<String, String>; 51 51 + 52 52 + /* === Functions === */ 53 53 + 54 54 + #[warn(clippy::pedantic, clippy::unwrap_used, clippy::perf)] 55 55 + pub fn handle_query(config: PathBuf) { 56 56 + match check_config(config.clone()) { 57 57 + Ok(ron_map) => match query_resources(ron_map, config) { 58 58 + Ok(string) => println!("{string}"), 59 59 + Err(e) => e.display(), 60 60 + }, 61 61 + Err(e) => e.display(), 62 62 + } 63 63 + } 64 64 + 65 65 + #[warn(clippy::pedantic, clippy::unwrap_used, clippy::perf)] 66 66 + fn check_config(config: PathBuf) -> Result<RonMap, QueryError> { 67 67 + match config.try_exists() { 68 68 + Ok(exists) => { 69 69 + if exists { 70 70 + let contents = 71 71 + fs::read_to_string(config).expect("Query exists and has proper permissions."); 72 72 + Ok(ron::from_str(&contents)?) 73 73 + } else { 74 74 + Err(QueryError::FileMissing(config)) 75 75 + } 76 76 + } 77 77 + Err(e) => Err(QueryError::IOError(e)), 78 78 + } 79 79 + } 80 80 + 81 81 + #[warn(clippy::pedantic, clippy::unwrap_used, clippy::perf)] 82 82 + fn query_resources(mut map: RonMap, config: PathBuf) -> Result<String, QueryError> { 83 83 + let args = CLIArgs::parse(); 84 84 + 85 85 + match args.command { 86 86 + Command::All => Ok(ser::to_string_pretty(&map, PrettyConfig::default())?), 87 87 + Command::Get(key) => match map.get_key_value(&key.key) { 88 88 + Some(entry) => Ok(entry.1.to_string()), 89 89 + None => Err(QueryError::KeyMissing(key.key)), 90 90 + }, 91 91 + Command::Set(key_val) => { 92 92 + let key = key_val.key; 93 93 + let value = key_val.value; 94 94 + map.insert(key.clone(), value.clone()); 95 95 + let pretty = ser::to_string_pretty(&map, PrettyConfig::default())?; 96 96 + 97 97 + match fs::write(config, pretty) { 98 98 + Ok(()) => Ok(format!("\"{key}\": \"{value}\"")), 99 99 + Err(e) => Err(QueryError::IOError(e)), 100 100 + } 101 101 + } 102 102 + } 103 103 + }

+13 -52

src/main.rs

··· 1 1 - mod args; 2 2 - use args::{EntityType, ResArgs}; 3 3 - use clap::Parser; 4 4 - use std::collections::HashMap; 5 5 - use std::fs; 6 6 - use std::process::exit; 1 1 + mod dbm; 2 2 + use dbm::handle_query; 3 3 + use std::{env, path::PathBuf}; 4 4 + use xdg_home::home_dir; 7 5 8 6 #[warn(clippy::pedantic, clippy::unwrap_used, clippy::perf)] 9 7 fn main() { 10 10 - const CONFIG_LOCATION: &str = "/home/sol/.config/resources.ron"; 11 11 - let Ok(contents) = fs::read_to_string(CONFIG_LOCATION) else { 12 12 - eprintln!("Could not read config at `{CONFIG_LOCATION}`."); 13 13 - exit(1) 14 14 - }; 15 15 - 16 16 - let mut data: HashMap<String, String> = if let Ok(map) = ron::from_str(&contents) { 17 17 - map 18 18 - } else { 19 19 - eprintln!("Could not parse config at `{CONFIG_LOCATION}`."); 20 20 - exit(1) 21 21 - }; 22 22 - 23 23 - let args = ResArgs::parse(); 8 8 + let config_path: PathBuf = match env::var("XDG_CONFIG_HOME") { 9 9 + Ok(path) => path.into(), 10 10 + Err(_) => match home_dir() { 11 11 + Some(path) => path, 12 12 + None => "".into(), 13 13 + }, 14 14 + } 15 15 + .join("resources.ron"); 24 16 25 25 - match args.option { 26 26 - EntityType::All => { 27 27 - println!("{data:#?}"); 28 28 - } 29 29 - 30 30 - EntityType::Get(user_key) => { 31 31 - let value = if let Some(entry) = data.get_key_value(&user_key.key) { 32 32 - entry.1 33 33 - } else { 34 34 - eprintln!("Could not find `{}` in config file.", user_key.key); 35 35 - exit(1) 36 36 - }; 37 37 - print!("{value}"); 38 38 - } 39 39 - 40 40 - EntityType::Set(user_keyval) => { 41 41 - let key = user_keyval.key; 42 42 - let value = user_keyval.value; 43 43 - data.insert(key.clone(), value.clone()); 44 44 - let Ok(pretty) = ron::ser::to_string_pretty(&data, ron::ser::PrettyConfig::default()) else { 45 45 - eprintln!("Could not parse map to string."); 46 46 - exit(1) 47 47 - }; 48 48 - 49 49 - if let Ok(()) = fs::write(CONFIG_LOCATION, pretty.clone()) { 50 50 - println!("\"{}\": \"{}\"", key, value); 51 51 - } else { 52 52 - eprintln!("Error writing file."); 53 53 - exit(1) 54 54 - }; 55 55 - } 56 56 - } 17 17 + handle_query(config_path); 57 18 }