369 lines
13 KiB
Rust
369 lines
13 KiB
Rust
#[macro_use]
|
|
extern crate serde_derive;
|
|
#[macro_use]
|
|
extern crate serde_json;
|
|
|
|
mod fetcher;
|
|
|
|
use crate::fetcher::{CodeDefinition, Problem};
|
|
use regex::Regex;
|
|
use std::env;
|
|
use std::fs;
|
|
use std::fs::File;
|
|
use std::io;
|
|
use std::io::{BufRead, Write};
|
|
use std::path::Path;
|
|
|
|
use futures::executor::block_on;
|
|
use futures::executor::ThreadPool;
|
|
use futures::future::join_all;
|
|
use futures::stream::StreamExt;
|
|
use futures::task::SpawnExt;
|
|
use std::sync::{Arc, Mutex};
|
|
|
|
/// main() helps to generate the submission template .rs
|
|
#[tokio::main]
|
|
async fn main() {
|
|
println!("Welcome to leetcode-rust system.\n");
|
|
let mut initialized_ids = get_initialized_ids();
|
|
loop {
|
|
println!(
|
|
"Please enter a frontend problem id, \n\
|
|
or \"random\" to generate a random one, \n\
|
|
or \"solve $i\" to move problem to solution/, \n\
|
|
or \"all\" to initialize all problems \n"
|
|
);
|
|
let mut is_random = false;
|
|
let mut is_solving = false;
|
|
let mut id: u32 = 0;
|
|
let mut id_arg = String::new();
|
|
io::stdin()
|
|
.read_line(&mut id_arg)
|
|
.expect("Failed to read line");
|
|
let id_arg = id_arg.trim();
|
|
|
|
let random_pattern = Regex::new(r"^random$").unwrap();
|
|
let solving_pattern = Regex::new(r"^solve (\d+)$").unwrap();
|
|
let all_pattern = Regex::new(r"^all$").unwrap();
|
|
|
|
if random_pattern.is_match(id_arg) {
|
|
println!("You select random mode.");
|
|
id = generate_random_id(&initialized_ids);
|
|
is_random = true;
|
|
println!("Generate random problem: {}", &id);
|
|
} else if solving_pattern.is_match(id_arg) {
|
|
// solve a problem
|
|
// move it from problem/ to solution/
|
|
is_solving = true;
|
|
id = solving_pattern
|
|
.captures(id_arg)
|
|
.unwrap()
|
|
.get(1)
|
|
.unwrap()
|
|
.as_str()
|
|
.parse()
|
|
.unwrap();
|
|
deal_solving(&id);
|
|
break;
|
|
} else if all_pattern.is_match(id_arg) {
|
|
// deal all problems
|
|
let pool = ThreadPool::new().unwrap();
|
|
let mut tasks = vec![];
|
|
let problems = fetcher::get_problems().await.unwrap();
|
|
let mut mod_file_addon = Arc::new(Mutex::new(vec![]));
|
|
for problem_stat in problems.stat_status_pairs {
|
|
match problem_stat.stat.frontend_question_id.parse::<u32>() {
|
|
Ok(id) => {
|
|
if initialized_ids.contains(&id) {
|
|
continue;
|
|
}
|
|
}
|
|
_ => {}
|
|
};
|
|
let mod_file_addon = mod_file_addon.clone();
|
|
tasks.push(
|
|
pool.spawn_with_handle(async move {
|
|
let problem = fetcher::get_problem_async(problem_stat).await;
|
|
if problem.is_none() {
|
|
return;
|
|
}
|
|
let problem = problem.unwrap();
|
|
let code = problem
|
|
.code_definition
|
|
.iter()
|
|
.find(|&d| d.value == "rust".to_string());
|
|
if code.is_none() {
|
|
println!("Problem {} has no rust version.", problem.question_id);
|
|
return;
|
|
}
|
|
// not sure this can be async
|
|
async {
|
|
mod_file_addon.lock().unwrap().push(format!(
|
|
"mod p{:04}_{};",
|
|
problem.question_id,
|
|
problem.title_slug.replace("-", "_")
|
|
));
|
|
}
|
|
.await;
|
|
let code = code.unwrap();
|
|
// not sure this can be async
|
|
// maybe should use async-std io
|
|
async { deal_problem(&problem, &code, false) }.await
|
|
})
|
|
.unwrap(),
|
|
);
|
|
}
|
|
block_on(join_all(tasks));
|
|
let mut lib_file = fs::OpenOptions::new()
|
|
.write(true)
|
|
.append(true)
|
|
.open("./src/problem/mod.rs")
|
|
.unwrap();
|
|
writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n"));
|
|
break;
|
|
} else {
|
|
id = id_arg
|
|
.parse::<u32>()
|
|
.unwrap_or_else(|_| panic!("not a number: {}", id_arg));
|
|
if initialized_ids.contains(&id) {
|
|
println!("The problem you chose has been initialized in problem/");
|
|
continue;
|
|
}
|
|
}
|
|
|
|
let problem = fetcher::get_problem(id).await.unwrap_or_else(|| {
|
|
panic!(
|
|
"Error: failed to get problem #{} \
|
|
(The problem may be paid-only or may not be exist).",
|
|
id
|
|
)
|
|
});
|
|
let code = problem
|
|
.code_definition
|
|
.iter()
|
|
.find(|&d| d.value == "rust".to_string());
|
|
if code.is_none() {
|
|
println!("Problem {} has no rust version.", &id);
|
|
initialized_ids.push(problem.question_id);
|
|
continue;
|
|
}
|
|
let code = code.unwrap();
|
|
deal_problem(&problem, &code, true);
|
|
break;
|
|
}
|
|
}
|
|
|
|
fn generate_random_id(except_ids: &[u32]) -> u32 {
|
|
use rand::Rng;
|
|
use std::fs;
|
|
let mut rng = rand::thread_rng();
|
|
loop {
|
|
let res: u32 = rng.gen_range(1, 1106);
|
|
if !except_ids.contains(&res) {
|
|
return res;
|
|
}
|
|
println!(
|
|
"Generate a random num ({}), but it is invalid (the problem may have been solved \
|
|
or may have no rust version). Regenerate..",
|
|
res
|
|
);
|
|
}
|
|
}
|
|
|
|
fn get_initialized_ids() -> Vec<u32> {
|
|
let content = fs::read_to_string("./src/problem/mod.rs").unwrap();
|
|
let id_pattern = Regex::new(r"p(\d{4})_").unwrap();
|
|
id_pattern
|
|
.captures_iter(&content)
|
|
.map(|x| x.get(1).unwrap().as_str().parse().unwrap())
|
|
.collect()
|
|
}
|
|
|
|
fn parse_extra_use(code: &str) -> String {
|
|
let mut extra_use_line = String::new();
|
|
// a linked-list problem
|
|
if code.contains("pub struct ListNode") {
|
|
extra_use_line.push_str("\nuse crate::util::linked_list::{ListNode, to_list};")
|
|
}
|
|
if code.contains("pub struct TreeNode") {
|
|
extra_use_line.push_str("\nuse crate::util::tree::{TreeNode, to_tree};")
|
|
}
|
|
if code.contains("pub struct Point") {
|
|
extra_use_line.push_str("\nuse crate::util::point::Point;")
|
|
}
|
|
extra_use_line
|
|
}
|
|
|
|
fn parse_problem_link(problem: &Problem) -> String {
|
|
format!("https://leetcode.cn/problems/{}/", problem.title_slug)
|
|
}
|
|
|
|
fn parse_discuss_link(problem: &Problem) -> String {
|
|
format!(
|
|
"https://leetcode.cn/problems/{}/discuss/?currentPage=1&orderBy=most_votes&query=",
|
|
problem.title_slug
|
|
)
|
|
}
|
|
|
|
fn insert_return_in_code(return_type: &str, code: &str) -> String {
|
|
let re = Regex::new(r"\{[ \n]+}").unwrap();
|
|
match return_type {
|
|
"ListNode" => re
|
|
.replace(&code, "{\n Some(Box::new(ListNode::new(0)))\n }")
|
|
.to_string(),
|
|
"ListNode[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"TreeNode" => re
|
|
.replace(
|
|
&code,
|
|
"{\n Some(Rc::new(RefCell::new(TreeNode::new(0))))\n }",
|
|
)
|
|
.to_string(),
|
|
"boolean" => re.replace(&code, "{\n false\n }").to_string(),
|
|
"character" => re.replace(&code, "{\n '0'\n }").to_string(),
|
|
"character[][]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"double" => re.replace(&code, "{\n 0f64\n }").to_string(),
|
|
"double[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"int[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"integer" => re.replace(&code, "{\n 0\n }").to_string(),
|
|
"integer[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"integer[][]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<String>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<TreeNode>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<boolean>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<double>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<integer>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<list<integer>>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<list<string>>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"list<string>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"null" => code.to_string(),
|
|
"string" => re
|
|
.replace(&code, "{\n String::new()\n }")
|
|
.to_string(),
|
|
"string[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
"void" => code.to_string(),
|
|
"NestedInteger" => code.to_string(),
|
|
"Node" => code.to_string(),
|
|
_ => code.to_string(),
|
|
}
|
|
}
|
|
|
|
fn build_desc(content: &str) -> String {
|
|
// TODO: fix this shit
|
|
content
|
|
.replace("<strong>", "")
|
|
.replace("</strong>", "")
|
|
.replace("<em>", "")
|
|
.replace("</em>", "")
|
|
.replace("</p>", "")
|
|
.replace("<p>", "")
|
|
.replace("<b>", "")
|
|
.replace("</b>", "")
|
|
.replace("<pre>", "")
|
|
.replace("</pre>", "")
|
|
.replace("<ul>", "")
|
|
.replace("</ul>", "")
|
|
.replace("<li>", "")
|
|
.replace("</li>", "")
|
|
.replace("<code>", "")
|
|
.replace("</code>", "")
|
|
.replace("<i>", "")
|
|
.replace("</i>", "")
|
|
.replace("<sub>", "")
|
|
.replace("</sub>", "")
|
|
.replace("</sup>", "")
|
|
.replace("<sup>", "^")
|
|
.replace(" ", " ")
|
|
.replace(">", ">")
|
|
.replace("<", "<")
|
|
.replace(""", "\"")
|
|
.replace("−", "-")
|
|
.replace("'", "'")
|
|
.replace("\n\n", "\n")
|
|
.replace("\n", "\n * ")
|
|
}
|
|
|
|
async fn deal_solving(id: &u32) {
|
|
let problem = fetcher::get_problem(*id).await.unwrap();
|
|
let file_name = format!(
|
|
"p{:04}_{}",
|
|
problem.question_id,
|
|
problem.title_slug.replace("-", "_")
|
|
);
|
|
let file_path = Path::new("./src/problem").join(format!("{}.rs", file_name));
|
|
// check problem/ existence
|
|
if !file_path.exists() {
|
|
panic!("problem does not exist");
|
|
}
|
|
// check solution/ no existence
|
|
let solution_name = format!(
|
|
"s{:04}_{}",
|
|
problem.question_id,
|
|
problem.title_slug.replace("-", "_")
|
|
);
|
|
let solution_path = Path::new("./src/solution").join(format!("{}.rs", solution_name));
|
|
if solution_path.exists() {
|
|
panic!("solution exists");
|
|
}
|
|
// rename/move file
|
|
fs::rename(file_path, solution_path).unwrap();
|
|
// remove from problem/mod.rs
|
|
let mod_file = "./src/problem/mod.rs";
|
|
let target_line = format!("mod {};", file_name);
|
|
let lines: Vec<String> = io::BufReader::new(File::open(mod_file).unwrap())
|
|
.lines()
|
|
.map(|x| x.unwrap())
|
|
.filter(|x| *x != target_line)
|
|
.collect();
|
|
fs::write(mod_file, lines.join("\n"));
|
|
// insert into solution/mod.rs
|
|
let mut lib_file = fs::OpenOptions::new()
|
|
.append(true)
|
|
.open("./src/solution/mod.rs")
|
|
.unwrap();
|
|
writeln!(lib_file, "mod {};", solution_name);
|
|
}
|
|
|
|
fn deal_problem(problem: &Problem, code: &CodeDefinition, write_mod_file: bool) {
|
|
let file_name = format!(
|
|
"p{:04}_{}",
|
|
problem.question_id,
|
|
problem.title_slug.replace("-", "_")
|
|
);
|
|
let file_path = Path::new("./src/problem").join(format!("{}.rs", file_name));
|
|
if file_path.exists() {
|
|
panic!("problem already initialized");
|
|
}
|
|
|
|
let template = fs::read_to_string("./template.rs").unwrap();
|
|
let source = template
|
|
.replace("__PROBLEM_TITLE__", &problem.title)
|
|
.replace("__PROBLEM_DESC__", &build_desc(&problem.content))
|
|
.replace(
|
|
"__PROBLEM_DEFAULT_CODE__",
|
|
&insert_return_in_code(&problem.return_type, &code.default_code),
|
|
)
|
|
.replace("__PROBLEM_ID__", &format!("{}", problem.question_id))
|
|
.replace("__EXTRA_USE__", &parse_extra_use(&code.default_code))
|
|
.replace("__PROBLEM_LINK__", &parse_problem_link(problem))
|
|
.replace("__DISCUSS_LINK__", &parse_discuss_link(problem));
|
|
|
|
let mut file = fs::OpenOptions::new()
|
|
.write(true)
|
|
.create(true)
|
|
.truncate(true)
|
|
.open(&file_path)
|
|
.unwrap();
|
|
|
|
file.write_all(source.as_bytes()).unwrap();
|
|
drop(file);
|
|
|
|
if write_mod_file {
|
|
let mut lib_file = fs::OpenOptions::new()
|
|
.write(true)
|
|
.append(true)
|
|
.open("./src/problem/mod.rs")
|
|
.unwrap();
|
|
writeln!(lib_file, "mod {};", file_name);
|
|
}
|
|
}
|