phantom/
phantom.rs

1use std::env;
2use thiserror::Error;
3
4use crate::document::{DocError, Document};
5use crate::input::{Input, InputError};
6use crate::log::Log;
7use crate::screen::Screen;
8use crate::terminal::{TermError, Terminal};
9
10#[derive(Error, Debug)]
11pub enum PhantomError {
12    #[error("Terminal Err: {0}")]
13    Terminal(TermError), /* -> ScreenError when implemented */
14    #[error("Document Err: {0}")]
15    Document(DocError),
16    #[error("Input Err: {0}")]
17    Input(InputError),
18}
19impl From<TermError> for PhantomError {
20    fn from(err: TermError) -> PhantomError {
21        PhantomError::Terminal(err)
22    }
23}
24impl From<DocError> for PhantomError {
25    fn from(err: DocError) -> PhantomError {
26        PhantomError::Document(err)
27    }
28}
29impl From<InputError> for PhantomError {
30    fn from(err: InputError) -> PhantomError {
31        PhantomError::Input(err)
32    }
33}
34
35pub type PResult<T> = std::result::Result<T, PhantomError>;
36
37pub struct Phantom {
38    term: Terminal,
39    documents: Vec<Document>,
40    input: Input,
41    log: Log,
42    screen: Screen,
43}
44
45impl Phantom {
46    /// Creates a new Phantom instance.
47    pub fn new() -> PResult<Self> {
48        let args: Vec<String> = env::args().collect();
49
50        let mut doc_vec: Vec<Document> = Vec::new();
51        doc_vec.push(if let Some(file_name) = args.get(1) {
52            Document::open(file_name)?
53        } else {
54            Document::new()
55        });
56
57        Ok(Self {
58            term: Terminal::new()?,
59            documents: doc_vec,
60            input: Input::new(),
61            log: Log::new(),
62            screen: Screen::new(),
63        })
64    }
65
66    /// Main loop of the editor.
67    pub fn run(&mut self) -> PResult<()> {
68        loop {
69            // self.clear_screen();
70            self.refresh()?;
71            self.input.input_handler(&mut self.term)?;
72        }
73    }
74
75    /// Will move to `screen.refresh`
76    fn refresh(&mut self) -> PResult<()> {
77        self.term.cursor_hide()?;
78
79        Ok(())
80    }
81
82    fn clear_screen(&mut self) -> PResult<()> {
83        Ok(self.term.clear_screen()?.cursor_position(0, 0)?.flush()?)
84    }
85}
phantom/phantom.rs

phantom/
phantom.rs
