start working on a cli app #7
5 changed files with 140 additions and 151 deletions
12
crates/app/src/cli.rs
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12
crates/app/src/cli.rs
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@ -0,0 +1,12 @@
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use std::path::PathBuf;
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use clap::Parser;
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#[derive(Parser)]
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pub(crate) struct Args {
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/// Read this config file.
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#[arg(short, long)]
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pub config_file: Option<PathBuf>,
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#[arg(long, env = "NO_STARTUP_MESSAGE", default_value = "false")]
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pub no_startup_message: bool,
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}
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74
crates/app/src/config.rs
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74
crates/app/src/config.rs
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@ -0,0 +1,74 @@
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use std::{
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fs,
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path::{Path, PathBuf},
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process,
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};
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use serde::{Deserialize, Serialize};
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use crate::error_reporting::{report_serde_json_err, report_serde_ron_err};
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#[derive(Debug, Serialize, Deserialize)]
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pub struct Configs {
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#[serde(default = "default_example_value")]
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pub example_value: i32,
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#[serde(default = "default_no_startup_msg")]
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pub no_startup_message: bool,
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}
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/// what the fuck serde why do i need this
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fn default_example_value() -> i32 {
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43
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}
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fn default_no_startup_msg() -> bool {
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false
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}
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impl Configs {
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pub fn read(custom_path: Option<PathBuf>) -> Self {
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use owo_colors::OwoColorize;
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let p = match custom_path {
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Some(p) => p,
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None => {
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let config_path = dirs::config_dir().expect("config dir should exist");
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let ron_path = config_path.with_file_name("config.ron");
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let json_path = config_path.with_file_name("config.json");
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if Path::new(&ron_path).exists() {
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ron_path
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} else if Path::new(&json_path).exists() {
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json_path
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} else {
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eprintln!("{}: couldn't find config file", "Fatal error".red());
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process::exit(1)
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}
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}
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};
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match p.extension().map(|v| v.to_str().unwrap()) {
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Some("ron") => Self::read_json(&fs::read_to_string(p).unwrap()),
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Some("json") => Self::read_ron(&fs::read_to_string(p).unwrap()),
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None | Some(_) => {
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eprintln!(
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"{}: couldn't determine config file type",
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"Fatal error".red()
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);
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process::exit(1)
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}
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}
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}
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pub fn read_json(config_text: &str) -> Configs {
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match serde_json::from_str(config_text) {
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Ok(c) => c,
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Err(e) => report_serde_json_err(config_text, e),
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}
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}
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pub fn read_ron(config_text: &str) -> Configs {
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match ron::from_str(config_text) {
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Ok(c) => c,
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Err(e) => report_serde_ron_err(config_text, e),
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}
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}
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}
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37
crates/app/src/error_reporting.rs
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37
crates/app/src/error_reporting.rs
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@ -0,0 +1,37 @@
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use std::process;
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use ron::error::Position;
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pub fn report_serde_json_err(src: &str, err: serde_json::Error) -> ! {
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report_serde_err(src, err.line(), err.column(), err.to_string())
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}
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pub fn report_serde_ron_err(src: &str, err: ron::error::SpannedError) -> ! {
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let Position { line, col } = err.position;
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report_serde_err(src, line, col, err.to_string())
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}
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pub fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
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use ariadne::{Label, Report, Source};
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let offset = try_reconstruct_loc(src, line, col);
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Report::build(ariadne::ReportKind::Error, "test", offset)
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.with_label(Label::new(("test", offset..offset)).with_message("Something went wrong here!"))
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.with_message(msg)
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.with_note("We'd like to give better errors, but serde errors are horrible to work with...")
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.finish()
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.print(("test", Source::from(src)))
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.unwrap();
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process::exit(1);
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}
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fn try_reconstruct_loc(src: &str, line_nr: usize, col_nr: usize) -> usize {
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let (line_nr, col_nr) = (line_nr - 1, col_nr - 1);
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src.lines()
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.enumerate()
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.fold(0, |acc, (i, line)| match i.cmp(&line_nr) {
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std::cmp::Ordering::Less => acc + line.len() + 1,
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std::cmp::Ordering::Equal => acc + col_nr,
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std::cmp::Ordering::Greater => acc,
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})
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}
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@ -4,157 +4,10 @@ use welcome_msg::print_startup_msg;
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use crate::config::Configs;
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mod cli {
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use std::path::PathBuf;
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use clap::Parser;
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#[derive(Parser)]
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pub(crate) struct Args {
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/// Read this config file.
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#[arg(short, long)]
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pub config_file: Option<PathBuf>,
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#[arg(long, env = "NO_STARTUP_MESSAGE", default_value = "false")]
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pub no_startup_message: bool,
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}
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}
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mod config {
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use std::{
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fs,
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path::{Path, PathBuf},
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process,
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};
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use serde::{Deserialize, Serialize};
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use crate::error_reporting::{report_serde_json_err, report_serde_ron_err};
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#[derive(Debug, Serialize, Deserialize)]
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pub struct Configs {
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#[serde(default = "default_example_value")]
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pub example_value: i32,
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#[serde(default = "default_no_startup_msg")]
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pub no_startup_message: bool,
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}
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/// what the fuck serde why do i need this
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fn default_example_value() -> i32 {
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43
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}
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fn default_no_startup_msg() -> bool {
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false
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}
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impl Configs {
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pub fn read(custom_path: Option<PathBuf>) -> Self {
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use owo_colors::OwoColorize;
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let p = match custom_path {
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Some(p) => p,
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None => {
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let config_path = dirs::config_dir().expect("config dir should exist");
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let ron_path = config_path.with_file_name("config.ron");
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let json_path = config_path.with_file_name("config.json");
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if Path::new(&ron_path).exists() {
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ron_path
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} else if Path::new(&json_path).exists() {
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json_path
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} else {
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eprintln!("{}: couldn't find config file", "Fatal error".red());
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process::exit(1)
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}
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}
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};
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match p.extension().map(|v| v.to_str().unwrap()) {
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Some("ron") => Self::read_json(&fs::read_to_string(p).unwrap()),
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Some("json") => Self::read_ron(&fs::read_to_string(p).unwrap()),
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None | Some(_) => {
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eprintln!(
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"{}: couldn't determine config file type",
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"Fatal error".red()
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);
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process::exit(1)
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}
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}
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}
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pub fn read_json(config_text: &str) -> Configs {
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match serde_json::from_str(config_text) {
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Ok(c) => c,
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Err(e) => report_serde_json_err(config_text, e),
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}
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}
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pub fn read_ron(config_text: &str) -> Configs {
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match ron::from_str(config_text) {
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Ok(c) => c,
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Err(e) => report_serde_ron_err(config_text, e),
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}
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}
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}
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}
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mod error_reporting {
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use std::process;
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use ron::error::Position;
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pub fn report_serde_json_err(src: &str, err: serde_json::Error) -> ! {
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report_serde_err(src, err.line(), err.column(), err.to_string())
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}
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pub fn report_serde_ron_err(src: &str, err: ron::error::SpannedError) -> ! {
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let Position { line, col } = err.position;
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report_serde_err(src, line, col, err.to_string())
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}
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pub fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
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use ariadne::{Label, Report, Source};
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let offset = try_reconstruct_loc(src, line, col);
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Report::build(ariadne::ReportKind::Error, "test", offset)
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.with_label(
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Label::new(("test", offset..offset)).with_message("Something went wrong here!"),
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)
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.with_message(msg)
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.with_note(
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"We'd like to give better errors, but serde errors are horrible to work with...",
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)
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.finish()
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.print(("test", Source::from(src)))
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.unwrap();
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process::exit(1);
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}
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fn try_reconstruct_loc(src: &str, line_nr: usize, col_nr: usize) -> usize {
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let (line_nr, col_nr) = (line_nr - 1, col_nr - 1);
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src.lines()
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.enumerate()
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.fold(0, |acc, (i, line)| match i.cmp(&line_nr) {
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std::cmp::Ordering::Less => acc + line.len() + 1,
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std::cmp::Ordering::Equal => acc + col_nr,
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std::cmp::Ordering::Greater => acc,
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})
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}
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}
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mod welcome_msg {
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use time::{Month, OffsetDateTime};
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pub fn print_startup_msg() {
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// now or fallback to utc
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let now = OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc());
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if now.month() == Month::June {
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println!("Hello, thanks for using iOwO and happy pride month!");
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println!("Why pride month is important in {}", now.year());
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} else {
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println!("Hello, thanks for using iOwO! :3");
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}
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}
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}
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mod cli;
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mod config;
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mod error_reporting;
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mod welcome_msg;
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fn main() {
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let args = Args::parse();
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13
crates/app/src/welcome_msg.rs
Normal file
13
crates/app/src/welcome_msg.rs
Normal file
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@ -0,0 +1,13 @@
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use time::{Month, OffsetDateTime};
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pub fn print_startup_msg() {
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// now or fallback to utc
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let now = OffsetDateTime::now_local().unwrap_or_else(|_| OffsetDateTime::now_utc());
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if now.month() == Month::June {
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println!("Hello, thanks for using iOwO and happy pride month!");
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println!("Why pride month is important in {}", now.year());
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} else {
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println!("Hello, thanks for using iOwO! :3");
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}
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}
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