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remove all instances of unsafe, plus minor changes

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master
Lukáš Hozda 4 years ago
parent 3d540d8a3d
commit 77c3f6db7b
1 changed files with 32 additions and 37 deletions
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57
src/main.rs
Unescape Escape View File

@ -1,5 +1,3 @@
#![feature(main)]
extern crate tempfile; extern crate tempfile;
extern crate simple_input; extern crate simple_input;
@ -80,7 +78,7 @@ impl BrowserState {
} }
} }
unsafe fn parse_config_line(&mut self, line: &str) { fn parse_config_line(&mut self, line: &str) {
let trimmed_line = line.trim_start(); let trimmed_line = line.trim_start();
let words = trimmed_line.split_whitespace().take(2).collect::<Vec<_>>(); let words = trimmed_line.split_whitespace().take(2).collect::<Vec<_>>();
@ -101,7 +99,7 @@ impl BrowserState {
} }
} }
pub unsafe fn load_config<P: AsRef<Path>>(&mut self, filename: P) { pub fn load_config<P: AsRef<Path>>(&mut self, filename: P) {
let file = match File::open(filename) { let file = match File::open(filename) {
Ok(f) => BufReader::new(f), Ok(f) => BufReader::new(f),
Err(_) => { Err(_) => {
@ -114,7 +112,7 @@ impl BrowserState {
.for_each(|line| self.parse_config_line(&line)) .for_each(|line| self.parse_config_line(&line))
} }
pub unsafe fn init_config(&mut self) { pub fn init_config(&mut self) {
/* read configs */ /* read configs */
self.load_config("/etc/cgorc"); /* ignore incomplete selectors */ self.load_config("/etc/cgorc"); /* ignore incomplete selectors */
if let Some(dir) = env::home_dir() { if let Some(dir) = env::home_dir() {
@ -122,7 +120,7 @@ impl BrowserState {
} }
} }
pub unsafe fn download_file( pub fn download_file(
&mut self, &mut self,
host: &str, host: &str,
port: u16, port: u16,
@ -152,7 +150,7 @@ impl BrowserState {
true true
} }
pub unsafe fn download_temp( pub fn download_temp(
&mut self, &mut self,
host: &str, host: &str,
port: u16, port: u16,
@ -173,7 +171,7 @@ impl BrowserState {
return true; return true;
} }
pub unsafe fn add_link( pub fn add_link(
&mut self, &mut self,
which: char, which: char,
name: String, name: String,
@ -203,12 +201,12 @@ impl BrowserState {
println!("{}{}{} {}", a, b, c, name); println!("{}{}{} {}", a, b, c, name);
} }
pub unsafe fn clear_links(&mut self) { pub fn clear_links(&mut self) {
self.links = None; self.links = None;
self.link_key = 0; self.link_key = 0;
} }
pub unsafe fn add_history(&mut self) { pub fn add_history(&mut self) {
let link: Link = Link { let link: Link = Link {
which: None, which: None,
key: 0, key: 0,
@ -220,7 +218,7 @@ impl BrowserState {
self.history = Some(Box::new(link)); self.history = Some(Box::new(link));
} }
pub unsafe fn handle_directory_line(&mut self, line: &str) { pub fn handle_directory_line(&mut self, line: &str) {
let fields = { let fields = {
let mut v = line[1..].split('\t').collect::<Vec<_>>(); let mut v = line[1..].split('\t').collect::<Vec<_>>();
v.retain(|x| !x.is_empty()); v.retain(|x| !x.is_empty());
@ -270,7 +268,7 @@ impl BrowserState {
} }
} }
pub unsafe fn view_directory( pub fn view_directory(
&mut self, &mut self,
host: &str, host: &str,
port: u16, port: u16,
@ -318,7 +316,7 @@ impl BrowserState {
} }
} }
pub unsafe fn view_file( pub fn view_file(
&mut self, &mut self,
cmd: &str, cmd: &str,
host: &str, host: &str,
@ -349,7 +347,7 @@ impl BrowserState {
fs::remove_file(&self.tmpfilename).expect("failed to delete temp file"); fs::remove_file(&self.tmpfilename).expect("failed to delete temp file");
} }
pub unsafe fn view_download( pub fn view_download(
&mut self, &mut self,
host: &str, host: &str,
port: u16, port: u16,
@ -384,7 +382,7 @@ impl BrowserState {
} }
} }
pub unsafe fn view_search( pub fn view_search(
&mut self, &mut self,
host: &str, host: &str,
port: u16, port: u16,
@ -400,7 +398,7 @@ impl BrowserState {
self.view_directory(host, port, &search_selector, true); self.view_directory(host, port, &search_selector, true);
} }
pub unsafe fn view_history(&mut self, key: Option<usize>) { pub fn view_history(&mut self, key: Option<usize>) {
let mut history_key: usize = 0; let mut history_key: usize = 0;
let mut a: char = '\0'; let mut a: char = '\0';
let mut b: char = '\0'; let mut b: char = '\0';
@ -440,7 +438,7 @@ impl BrowserState {
}; };
} }
pub unsafe fn view_bookmarks(&mut self, key: Option<usize>) { pub fn view_bookmarks(&mut self, key: Option<usize>) {
let mut a: char = '\0'; let mut a: char = '\0';
let mut b: char = '\0'; let mut b: char = '\0';
let mut c: char = '\0'; let mut c: char = '\0';
@ -474,21 +472,19 @@ impl BrowserState {
None => println!("(empty history)"), None => println!("(empty history)"),
Some(h) => { Some(h) => {
/* reload page from history (and don't count as history) */ /* reload page from history (and don't count as history) */
unsafe {
self.view_directory( self.view_directory(
&(*h).host, &(*h).host,
(*h).port, (*h).port,
&(*h).selector, &(*h).selector,
false, false,
); );
}
/* history is history... :) */ /* history is history... :) */
self.history = h.next.clone(); self.history = h.next.clone();
} }
} }
} }
pub unsafe fn follow_link(&mut self, key: usize) -> bool { pub fn follow_link(&mut self, key: usize) -> bool {
let mut link: Option<Box<Link>> = self.links.clone(); let mut link: Option<Box<Link>> = self.links.clone();
while let Some(ref l) = link { while let Some(ref l) = link {
@ -556,7 +552,7 @@ impl BrowserState {
return false; return false;
} }
pub unsafe fn download_link(&mut self, key: usize) { pub fn download_link(&mut self, key: usize) {
let mut link: Option<Box<Link>> = self.links.clone(); let mut link: Option<Box<Link>> = self.links.clone();
while let Some(l) = link { while let Some(l) = link {
if (*l).key != key { if (*l).key != key {
@ -570,7 +566,7 @@ impl BrowserState {
} }
/* function prototypes */ /* function prototypes */
pub unsafe fn parse_uri(&mut self, uri: &str) -> bool { pub fn parse_uri(&mut self, uri: &str) -> bool {
let mut tmp: &str = &uri[..]; let mut tmp: &str = &uri[..];
/* strip gopher:// */ /* strip gopher:// */
if uri.starts_with("gopher://") { if uri.starts_with("gopher://") {
@ -613,7 +609,7 @@ impl BrowserState {
true true
} }
pub unsafe fn init(&mut self, argc: usize, argv: Vec<String>) -> i32 { pub fn init(&mut self, argc: usize, argv: Vec<String>) -> i32 {
let mut i: usize = 1; let mut i: usize = 1;
/* copy defaults */ /* copy defaults */
self.init_config(); self.init_config();
@ -738,7 +734,7 @@ pub fn banner(to_error: bool) {
} }
} }
pub unsafe fn dial( pub fn dial(
host: &str, host: &str,
port: u16, port: u16,
selector: &str, selector: &str,
@ -759,7 +755,7 @@ pub unsafe fn dial(
Some(stream) Some(stream)
} }
pub unsafe fn make_key(c1: char, c2: char, c3: char) -> Option<usize> { pub fn make_key(c1: char, c2: char, c3: char) -> Option<usize> {
if c1 == '\0' || c2 == '\0' { if c1 == '\0' || c2 == '\0' {
return None; return None;
} }
@ -778,7 +774,7 @@ pub unsafe fn make_key(c1: char, c2: char, c3: char) -> Option<usize> {
) )
} }
} }
pub unsafe fn make_key_str( pub fn make_key_str(
key: usize, key: usize,
c1: &mut char, c1: &mut char,
c2: &mut char, c2: &mut char,
@ -807,7 +803,7 @@ pub unsafe fn make_key_str(
}; };
} }
pub unsafe fn is_valid_directory_entry(kind: char) -> bool { pub fn is_valid_directory_entry(kind: char) -> bool {
match kind { match kind {
'i' | '3' | '.' | '0' | '1' | '5' | '7' | '8' | '9' | 'g' | 'I' | 'p' | 'h' 'i' | '3' | '.' | '0' | '1' | '5' | '7' | '8' | '9' | 'g' | 'I' | 'p' | 'h'
| 's' => true, | 's' => true,
@ -815,7 +811,7 @@ pub unsafe fn is_valid_directory_entry(kind: char) -> bool {
} }
} }
pub unsafe fn view_telnet(host: &str, port: u16) { pub fn view_telnet(host: &str, port: u16) {
println!("executing: telnet {} {}", host, port); println!("executing: telnet {} {}", host, port);
// TODO check stdio // TODO check stdio
@ -829,9 +825,8 @@ pub unsafe fn view_telnet(host: &str, port: u16) {
println!("(done)"); println!("(done)");
} }
#[main] fn main() {
pub fn main() {
let mut state = BrowserState::new(); let mut state = BrowserState::new();
let args: Vec<String> = env::args().collect(); let args: Vec<String> = env::args().collect();
unsafe { exit(state.init(args.len() - 1, args) as i32) } exit(state.init(args.len() - 1, args) as i32)
} }

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