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增加问题的默认返回值, 方便书写代码 #19

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Merged
merged 8 commits into from
Feb 3, 2020
Merged

增加问题的默认返回值, 方便书写代码 #19

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cbfeffb
Problem增加return type字段
songyzh Feb 2, 2020
70467d4
对于返回类型为ListNode的问题, 插入默认答案
songyzh Feb 2, 2020
23a0241
fix
songyzh Feb 2, 2020
b8b0d94
fix
songyzh Feb 2, 2020
a1971ec
revert
songyzh Feb 2, 2020
e150ee1
add default return value
songyzh Feb 2, 2020
d0d889a
remove
songyzh Feb 2, 2020
8a06a59
fix
songyzh Feb 2, 2020
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add default return value
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@songyzh
songyzh committed Feb 2, 2020
commit e150ee18cbfe562dc7195ebe082b06d69ab9f3f2
49 changes: 42 additions & 7 deletions src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -5,12 +5,12 @@ extern crate serde_json;

mod problem;

use regex::Regex;
use std::env;
use std::fs;
use std::io;
use std::io::Write;
use std::path::Path;
use regex::Regex;

/// main() helps to generate the submission template .rs
fn main() {
Expand Down Expand Up @@ -75,7 +75,10 @@ fn main() {
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_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));

Expand Down Expand Up @@ -149,12 +152,44 @@ fn parse_extra_use(code: &str) -> String {
}

fn insert_return_in_code(return_type: &str, code: &str) -> String {
let re = Regex::new(r"\{[ \n]+}").unwrap();
match return_type {
"ListNode" => {
let re = Regex::new(r"\{[ \n]+}").unwrap();
re.replace(&code, "{\n Some(Box::new(ListNode::new(0)))\n }").to_string()
},
_ => code.to_string()
"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(),
}
}

Expand Down