pfetch-rs/src/main.rs

308 lines
10 KiB
Rust

use libmacchina::{
traits::GeneralReadout as _, traits::KernelReadout as _, traits::MemoryReadout as _,
traits::PackageReadout as _, GeneralReadout, KernelReadout, MemoryReadout, PackageReadout,
};
use pfetch_logo_parser::{Color, Logo, LogoPart};
use std::{env, fmt::Display, str::FromStr};
use unicode_width::UnicodeWidthStr;
#[derive(Debug, PartialEq)]
enum PfetchInfo {
Ascii,
Title,
Os,
Host,
Kernel,
Uptime,
Pkgs,
Cpu,
Memory,
Shell,
Editor,
Wm,
De,
Palette,
BlankLine,
}
impl Display for PfetchInfo {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", format!("{self:?}").to_lowercase())
}
}
impl FromStr for PfetchInfo {
type Err = String;
fn from_str(info: &str) -> Result<Self, Self::Err> {
match info {
"ascii" => Ok(PfetchInfo::Ascii),
"title" => Ok(PfetchInfo::Title),
"os" => Ok(PfetchInfo::Os),
"host" => Ok(PfetchInfo::Host),
"kernel" => Ok(PfetchInfo::Kernel),
"uptime" => Ok(PfetchInfo::Uptime),
"pkgs" => Ok(PfetchInfo::Pkgs),
"cpu" => Ok(PfetchInfo::Cpu),
"memory" => Ok(PfetchInfo::Memory),
"shell" => Ok(PfetchInfo::Shell),
"editor" => Ok(PfetchInfo::Editor),
"wm" => Ok(PfetchInfo::Wm),
"de" => Ok(PfetchInfo::De),
"palette" => Ok(PfetchInfo::Palette),
unknown_info => Err(format!("Unknown pfetch info: {unknown_info}")),
}
}
}
fn pfetch(info: Vec<(Color, String, String)>, logo: Logo, logo_enabled: bool) {
let raw_logo = if logo_enabled {
logo.logo_parts
.iter()
.map(|LogoPart { content, .. }| content.as_ref())
.collect::<String>()
} else {
"".to_string()
};
let color_enabled = dotenvy::var("PF_COLOR").unwrap_or_default() != "0";
let logo = if color_enabled {
logo.to_string()
} else {
format!("{:#}", logo)
};
let mut logo_lines = logo.lines();
let raw_logo_lines: Vec<_> = raw_logo.lines().collect();
let logo_width = raw_logo_lines
.iter()
.map(|line| line.width())
.max()
.unwrap_or(0);
let line_amount = usize::max(raw_logo_lines.len(), info.len());
let info1_width = info
.iter()
.skip(1)
.map(|(_, line, _)| {
if line.starts_with("\x1b[4") {
// exclude palette from info1 width
0
} else {
line.len()
}
})
.max()
.unwrap_or(0);
let padding1 = match dotenvy::var("PF_PAD1") {
Ok(padding0) => padding0.parse::<usize>().unwrap_or(0),
Err(_) => 0,
};
let padding2 = match dotenvy::var("PF_PAD2") {
Ok(padding1) => padding1.parse::<usize>().unwrap_or(0),
Err(_) => 3,
};
let padding3 = match dotenvy::var("PF_PAD3") {
Ok(padding2) => padding2.parse::<usize>().unwrap_or(0),
Err(_) => 1,
};
let mut pfetch_str = String::new();
for l in 0..line_amount {
pfetch_str += &format!(
"{padding1}{bold}{logo}{padding2}{color}{info1}{nobold}{separator}{padding3}{color2}{info2}\n",
padding1 = " ".repeat(padding1),
bold = if color_enabled {"\x1b[1m"} else {""},
logo = if logo_enabled {
logo_lines.next().unwrap_or("")
} else {
""
},
padding2 = " ".repeat(
logo_width - raw_logo_lines.get(l).map_or(0, |line| line.width())
+ if logo_enabled { padding2 } else { 0 }
),
color = if color_enabled {info.get(l).map_or("".to_owned(), |line| line.0.to_string())} else {"".to_string()},
info1 = info.get(l).map_or("", |line| &line.1),
nobold = if color_enabled {"\x1b[0m"} else {""},
separator = info.get(l).map_or("".to_string(), |line|
if ! &line.2.is_empty() {
dotenvy::var("PF_SEP").unwrap_or_default()
} else { "".to_string() }
),
padding3 = " ".repeat(
info1_width.saturating_sub(info.get(l).map_or(0, |(_, line, _)| line.len()))
+ padding3
),
color2 = if color_enabled {match dotenvy::var("PF_COL2") {
Ok(newcolor) => {
match Color::from_str(&newcolor) {
Ok(newcolor) => format!("{newcolor}"),
Err(_) => "".to_string(),
}
},
Err(_) => "".to_string()
}} else {"".to_string()},
info2 = info.get(l).map_or("", |line| &line.2)
)
}
// if colors are disabled, remove them from string
// if dotenvy::var("PF_COLOR").unwrap_or_default() == "0" {
// pfetch_str = pfetch_str
// .split("\x1b[")
// .map(|chunk| chunk.chars().skip(3).collect::<String>())
// .collect();
// }
// disable line wrap
crossterm::execute!(std::io::stdout(), crossterm::terminal::DisableLineWrap)
.unwrap_or_default();
println!("{pfetch_str}");
// enable line wrap
crossterm::execute!(std::io::stdout(), crossterm::terminal::EnableLineWrap).unwrap_or_default();
}
struct Readouts {
general_readout: GeneralReadout,
package_readout: PackageReadout,
memory_readout: MemoryReadout,
kernel_readout: KernelReadout,
}
fn get_info(
info: &PfetchInfo,
readouts: &Readouts,
skip_slow_package_managers: bool,
) -> Option<String> {
match info {
PfetchInfo::Ascii => None,
PfetchInfo::Title => pfetch::user_at_hostname(
&readouts.general_readout,
&dotenvy::var("USER").ok(),
&dotenvy::var("HOSTNAME").ok(),
),
PfetchInfo::Os => pfetch::os(&readouts.general_readout),
PfetchInfo::Host => pfetch::host(&readouts.general_readout),
PfetchInfo::Kernel => pfetch::kernel(&readouts.kernel_readout),
PfetchInfo::Uptime => pfetch::uptime(&readouts.general_readout),
PfetchInfo::Pkgs => Some(
pfetch::total_packages(&readouts.package_readout, skip_slow_package_managers)
.to_string(),
),
PfetchInfo::Cpu => pfetch::cpu(&readouts.general_readout),
PfetchInfo::Memory => pfetch::memory(&readouts.memory_readout),
PfetchInfo::Shell => pfetch::shell(&readouts.general_readout),
PfetchInfo::Editor => pfetch::editor(),
PfetchInfo::Wm => pfetch::wm(&readouts.general_readout),
PfetchInfo::De => pfetch::de(&readouts.general_readout),
PfetchInfo::Palette => Some(pfetch::palette()),
PfetchInfo::BlankLine => Some("".to_string()),
}
}
fn main() {
// parse arguements
if std::env::args().any(|arg| arg.starts_with("-v") || arg.starts_with("--v")) {
println!("pfetch-rs {}", env!("CARGO_PKG_VERSION"));
std::process::exit(0);
} else if std::env::args().len() > 1 {
println!("pfetch show system information");
println!("pfetch -v show version");
std::process::exit(0);
}
// source file specified by env: PF_SOURCE
if let Ok(filepath) = dotenvy::var("PF_SOURCE") {
let _ = dotenvy::from_path(filepath);
}
// Check if SKIP_SLOW is enabled
let skip_slow_package_managers = dotenvy::var("PF_FAST_PKG_COUNT").is_ok();
let enabled_pf_info_base: Vec<PfetchInfo> = match dotenvy::var("PF_INFO") {
Ok(pfetch_infos) => pfetch_infos
.trim()
.split(' ')
.map(PfetchInfo::from_str)
.filter_map(|i| i.ok())
.collect(),
Err(_) => vec![
PfetchInfo::Ascii,
PfetchInfo::Title,
PfetchInfo::Os,
PfetchInfo::Host,
PfetchInfo::Kernel,
PfetchInfo::Uptime,
PfetchInfo::Pkgs,
PfetchInfo::Memory,
],
};
// insert blank lines before and after palettes
let mut enabled_pf_info: Vec<PfetchInfo> = vec![];
let mut ascii_enabled: bool = false;
for info in enabled_pf_info_base {
match info {
PfetchInfo::Palette => {
enabled_pf_info.push(PfetchInfo::BlankLine);
enabled_pf_info.push(PfetchInfo::Palette);
enabled_pf_info.push(PfetchInfo::BlankLine);
}
PfetchInfo::Ascii => {
ascii_enabled = true;
}
i => enabled_pf_info.push(i),
}
}
let readouts = Readouts {
general_readout: GeneralReadout::new(),
package_readout: PackageReadout::new(),
memory_readout: MemoryReadout::new(),
kernel_readout: KernelReadout::new(),
};
let os = pfetch::os(&GeneralReadout::new()).unwrap_or_default();
let logo_override = env::var("PF_ASCII");
let logo_name = logo_override.unwrap_or(match env::consts::OS {
"linux" => os.clone(),
other => other.to_owned(),
});
let mut logo = pfetch::logo(&logo_name);
// color overrides
if let Ok(newcolor) = dotenvy::var("PF_COL1") {
if let Ok(newcolor) = Color::from_str(&newcolor) {
logo.primary_color = newcolor;
}
}
if let Ok(newcolor) = dotenvy::var("PF_COL3") {
if newcolor == "COL1" {
logo.secondary_color = logo.primary_color;
} else if let Ok(newcolor) = Color::from_str(&newcolor) {
logo.secondary_color = newcolor;
}
}
let gathered_pfetch_info: Vec<(Color, String, String)> = enabled_pf_info
.iter()
.filter_map(|info| match info {
PfetchInfo::Os => Some((logo.primary_color, info.to_string(), os.clone())),
_ => get_info(info, &readouts, skip_slow_package_managers).map(|info_str| match info {
PfetchInfo::Title => (logo.secondary_color, info_str, "".to_string()),
PfetchInfo::BlankLine => (logo.primary_color, "".to_string(), "".to_string()),
PfetchInfo::Palette => (logo.primary_color, info_str, "".to_string()),
_ => (logo.primary_color, info.to_string(), info_str),
}),
})
.collect();
pfetch(gathered_pfetch_info, logo, ascii_enabled);
}