mirror of https://github.com/xvxx/phetch
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208 lines
5.5 KiB
Rust
208 lines
5.5 KiB
Rust
#![allow(unused_must_use)]
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extern crate termion;
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use std::io::{stdin, stdout, Read, Write};
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use std::net::TcpStream;
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use termion::event::Key;
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use termion::input::TermRead;
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use termion::raw::IntoRawMode;
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#[derive(Debug)]
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struct Link<'res> {
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name: &'res str,
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host: &'res str,
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port: &'res str,
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selector: &'res str,
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}
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fn main() {
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let response = phetch("phkt.io", 70, "/links");
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let links = parse(&response);
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println!("{:?}", links);
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render(&response);
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user_input();
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}
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fn parse<'res>(response: &'res str) -> Vec<Link> {
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let mut links: Vec<Link> = Vec::new();
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let mut start = true;
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let mut is_link = false;
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let mut link = (0, 0);
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for (i, c) in response.chars().enumerate() {
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if start {
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match c {
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'0' | '1' => {
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is_link = true;
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link.0 = i + 1;
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}
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'\n' => continue,
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_ => is_link = false,
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}
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start = false;
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} else if c == '\n' {
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start = true;
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if is_link && i > link.0 {
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link.1 = i;
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let mut line = Vec::new();
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for s in response[link.0..link.1].split('\t') {
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line.push(s);
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}
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links.push(Link {
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name: line[0],
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selector: line[1],
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host: line[2],
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port: line[3].trim_end_matches('\r'),
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});
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is_link = false;
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}
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}
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}
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links
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}
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fn user_input() {
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let stdin = stdin();
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let mut stdout = stdout().into_raw_mode().unwrap();
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let mut y = 1;
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let mut input = String::new();
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if let Ok((_col, row)) = termion::terminal_size() {
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y = row + 1;
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} else {
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panic!("can't determine terminal size.");
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}
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print!("{}\x1B[92;1m>> \x1B[0m", termion::cursor::Goto(1, y));
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stdout.flush().unwrap();
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for c in stdin.keys() {
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write!(
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stdout,
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"{}{}",
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termion::cursor::Goto(1, y),
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termion::clear::CurrentLine
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)
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.unwrap();
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print!("\x1B[92;1m>> \x1B[0m");
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match c.unwrap() {
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Key::Char('q') => break,
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Key::Ctrl('c') => break,
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Key::Char('\n') => {
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input.clear();
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}
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Key::Char(c) => input.push(c),
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Key::Alt(c) => print!("Alt-{}", c),
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Key::Ctrl(c) => print!("Ctrl-{}", c),
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Key::Left => print!("<left>"),
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Key::Right => print!("<right>"),
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Key::Up => print!("<up>"),
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Key::Down => print!("<down>"),
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Key::Backspace | Key::Delete => {
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input.pop();
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}
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_ => print!("Other"),
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}
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print!("{}", input);
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stdout.flush().unwrap();
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}
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}
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fn phetch(host: &str, port: i8, selector: &str) -> String {
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let mut out = String::new();
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TcpStream::connect(format!("{}:{}", host, port))
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.and_then(|mut stream| {
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stream.write(format!("{}\r\n", selector).as_ref());
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Ok(stream)
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})
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.and_then(|mut stream| {
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stream.read_to_string(&mut out);
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Ok(())
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})
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.map_err(|err| {
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eprintln!("err: {}", err);
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});
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out
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}
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fn render(buf: &str) {
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let clear = ""; //"\x1B[2J\x1B[H";
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print!("{}{}", clear, draw(buf));
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}
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fn draw(buf: &str) -> String {
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let mut start = true;
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let mut skip_to_end = false;
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let mut links = 0;
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let mut out = String::with_capacity(buf.len() * 2);
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let mut prefix = "";
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for (i, c) in buf.chars().enumerate() {
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let mut is_link = false;
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if start {
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match c {
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'i' => {
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prefix = "\x1B[93m";
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is_link = false;
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}
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'h' => {
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prefix = "\x1B[96m";
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links += 1;
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is_link = true;
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}
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'0' => {
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prefix = "\x1B[94m";
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links += 1;
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is_link = true;
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}
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'1' => {
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prefix = "\x1B[94m";
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links += 1;
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is_link = true;
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}
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'.' => {
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if buf.len() > i + 2
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&& buf[i..].chars().next().unwrap() == '\r'
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&& buf[i + 1..].chars().next().unwrap() == '\n'
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{
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continue;
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}
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}
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'\r' => continue,
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'\n' => continue,
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_ => prefix = "",
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}
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out.push_str(" ");
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if is_link {
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out.push_str("\x1B[95m");
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if links < 10 {
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out.push(' ');
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}
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out.push_str(&links.to_string());
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out.push_str(". \x1B[0m");
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} else {
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out.push(' ');
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out.push_str("\x1B[0m");
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out.push_str(" ");
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}
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out.push_str(prefix);
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start = false
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} else if skip_to_end {
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if c == '\n' {
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out.push_str("\r\n");
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start = true;
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skip_to_end = false;
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}
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} else if c == '\t' {
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skip_to_end = true;
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} else {
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out.push(c);
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if c == '\n' {
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start = true
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}
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}
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}
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out
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}
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