start working on a cli app #7

Merged
schrottkatze merged 12 commits from :app into main 2024-01-20 19:09:52 +00:00
12 changed files with 537 additions and 42 deletions

296
Cargo.lock generated
View file

@ -43,7 +43,7 @@ version = "1.0.2"
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@ -264,6 +318,17 @@ dependencies = [
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@ -308,6 +373,12 @@ dependencies = [
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@ -373,6 +461,27 @@ dependencies = [
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@ -395,6 +504,12 @@ dependencies = [
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@ -442,6 +557,26 @@ dependencies = [
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@ -462,6 +597,12 @@ dependencies = [
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View file

@ -1,13 +1,14 @@
[workspace] [workspace]
members = [ members = [
"crates/app",
"crates/executor", "crates/executor",
"crates/pl-cli",
"crates/rpl" "crates/rpl"
] ]
resolver = "2" resolver = "2"
[workspace.dependencies] [workspace.dependencies]
clap = { version = "4", features = [ "derive" ] } clap = { version = "4", features = [ "derive" ] }
serde = { version = "1.0", features = [ "derive" ] }
[lints.rust] [lints.rust]
unsafe_code = "deny" unsafe_code = "deny"

16
crates/app/Cargo.toml Normal file
View file

@ -0,0 +1,16 @@
[package]
name = "app"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = { workspace = true, features = [ "derive", "env" ] }
serde = { workspace = true, features = [ "derive" ] }
ron = "0.8"
serde_json = "1.0"
ariadne = "0.4"
time = { version = "0.3", features = [ "local-offset" ] }
dirs = "5"
owo-colors = "4"

93
crates/app/src/config.rs Normal file
View file

@ -0,0 +1,93 @@
use clap::Parser;
use self::{
cli::Args,
config_file::{find_config_file, Configs},
};
mod cli;
mod config_file;
/// this struct may hold all configuration
pub struct Config {
pub startup_msg: bool,
}
impl Config {
/// Get the configs from all possible places (args, file, env...)
pub fn read() -> Self {
let args = Args::parse();
let config_path = if let Some(config_path) = args.config_path {
Ok(config_path)
} else {
find_config_file()
};
// try to read a maybe existing config file
let file_config = if let Ok(config_path) = config_path {
let file_config = Configs::read(config_path);
match file_config {
Ok(c) => Some(c),
Err(e) => {
eprintln!("Config error: {e:?}");
eprintln!("Proceeding with defaults or cli args...");
None
}
}
} else {
None
};
if let Some(file_config) = file_config {
Self {
// this is negated because to an outward api, the negative is more intuitive,
// while in the source the other way around is more intuitive
startup_msg: !(args.no_startup_message || file_config.no_startup_message),
}
} else {
Self {
startup_msg: !args.no_startup_message,
}
}
}
}
pub mod error {
/// Errors that can occur when reading configs
#[derive(Debug)]
pub enum ConfigError {
/// The config dir doesn't exist
NoConfigDir,
/// We didn't find a config file in the config dir
NoConfigFileFound,
/// An io error happened while reading/opening it!
IoError(std::io::Error),
/// The given extension (via an argument) isn't known.
///
/// Occurs if the extension is neither `.json` nor `.ron` (including if there is no extension, in which case this will be `None`).
UnknownExtension(Option<String>),
/// Wrapper around an `Error` from `serde_json`
SerdeJsonError(serde_json::Error),
/// Wrapper around a `SpannedError` from `ron`
SerdeRonError(ron::error::SpannedError),
}
impl From<std::io::Error> for ConfigError {
fn from(value: std::io::Error) -> Self {
Self::IoError(value)
}
}
impl From<serde_json::Error> for ConfigError {
fn from(value: serde_json::Error) -> Self {
Self::SerdeJsonError(value)
}
}
impl From<ron::error::SpannedError> for ConfigError {
fn from(value: ron::error::SpannedError) -> Self {
Self::SerdeRonError(value)
}
}
}

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@ -0,0 +1,15 @@
use std::path::PathBuf;
use clap::{builder::BoolishValueParser, ArgAction, Parser};
#[derive(Parser)]
pub(crate) struct Args {
/// Read this config file.
#[arg(short, long)]
pub config_path: Option<PathBuf>,
/// Turn off the startup message.
///
/// The startup message is not constant and depends on the time.
#[arg(long, env = "NO_STARTUP_MESSAGE", action = ArgAction::SetTrue, value_parser = BoolishValueParser::new())]
pub no_startup_message: bool,
}

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@ -0,0 +1,49 @@
use std::{
fs,
path::{Path, PathBuf},
};
use serde::{Deserialize, Serialize};
use super::error::ConfigError;
#[derive(Debug, Serialize, Deserialize)]
pub struct Configs {
#[serde(default = "default_example_value")]
pub example_value: i32,
#[serde(default)]
pub no_startup_message: bool,
}
/// what the fuck serde why do i need this
fn default_example_value() -> i32 {
43
}
/// Find the location of a config file and check if there is, in fact, a file
pub(super) fn find_config_file() -> Result<PathBuf, ConfigError> {
let Some(config_path) = dirs::config_dir() else {
return Err(ConfigError::NoConfigDir);
};
let ron_path = config_path.with_file_name("config.ron");
let json_path = config_path.with_file_name("config.json");
if Path::new(&ron_path).exists() {
Ok(ron_path)
} else if Path::new(&json_path).exists() {
Ok(json_path)
} else {
Err(ConfigError::NoConfigFileFound)
}
}
impl Configs {
pub fn read(p: PathBuf) -> Result<Self, ConfigError> {
match p.extension().map(|v| v.to_str().unwrap()) {
Some("ron") => Ok(serde_json::from_str(&fs::read_to_string(p)?)?),
Some("json") => Ok(ron::from_str(&fs::read_to_string(p)?)?),
e => Err(ConfigError::UnknownExtension(e.map(|v| v.to_owned()))),
}
}
}

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@ -0,0 +1,42 @@
use std::process;
use ron::error::Position;
/// Report an `Error` from the `serde_json` crate
pub fn report_serde_json_err(src: &str, err: serde_json::Error) -> ! {
report_serde_err(src, err.line(), err.column(), err.to_string())
}
/// Report a `SpannedError` from the `ron` crate
pub fn report_serde_ron_err(src: &str, err: ron::error::SpannedError) -> ! {
let Position { line, col } = err.position;
report_serde_err(src, line, col, err.to_string())
}
/// Basic function for reporting serde type of errors
fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
use ariadne::{Label, Report, Source};
let offset = try_reconstruct_loc(src, line, col);
Report::build(ariadne::ReportKind::Error, "test", offset)
.with_label(Label::new(("test", offset..offset)).with_message("Something went wrong here!"))
.with_message(msg)
.with_note("We'd like to give better errors, but serde errors are horrible to work with...")
.finish()
.print(("test", Source::from(src)))
.unwrap();
process::exit(1);
}
/// Reconstruct a byte offset from the line + column numbers typical from serde crates
fn try_reconstruct_loc(src: &str, line_nr: usize, col_nr: usize) -> usize {
let (line_nr, col_nr) = (line_nr - 1, col_nr - 1);
src.lines()
.enumerate()
.fold(0, |acc, (i, line)| match i.cmp(&line_nr) {
std::cmp::Ordering::Less => acc + line.len() + 1,
std::cmp::Ordering::Equal => acc + col_nr,
std::cmp::Ordering::Greater => acc,
})
}

17
crates/app/src/main.rs Normal file
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@ -0,0 +1,17 @@
use config::Config;
use welcome_msg::print_startup_msg;
mod config;
#[allow(unused)]
mod error_reporting;
mod welcome_msg;
fn main() {
// TODO: proper error handling
let cfg = Config::read();
if cfg.startup_msg {
print_startup_msg();
}
}

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@ -0,0 +1,16 @@
use time::{Month, OffsetDateTime};
/// Print the startup message which changes depending on system time.
pub fn print_startup_msg() {
// now or fallback to utc
let now = OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc());
if now.month() == Month::June {
// pride startup message
println!("Hello, thanks for using iOwO and happy pride month!");
// TODO: proper link with explaination
println!("Why pride month is important in {}", now.year());
} else {
println!("Hello, thanks for using iOwO! :3");
}
}

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@ -1,11 +0,0 @@
[package]
name = "pl-cli"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = { workspace = true, features = [ "derive" ] }
rpl = { path = "../rpl" }
executor = { path = "../executor" }

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@ -1,19 +0,0 @@
use std::{fs, path::PathBuf};
use clap::Parser;
use executor::{execute_all, Executors};
#[derive(Parser, Debug)]
pub struct Args {
file: PathBuf,
primary_executor: Executors,
}
fn main() {
let args = dbg!(Args::parse());
let f = fs::read_to_string(args.file).unwrap();
let pl = rpl::from_ron(&f);
execute_all(pl.0);
}

View file

@ -6,5 +6,5 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
serde = { version = "1.0.193", features = [ "derive" ] } serde = { workspace = true, features = [ "derive" ] }
ron = "0.8" ron = "0.8"