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shell fully configurable

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This commit is contained in:
Ava Apples Affine 2023-03-23 11:52:36 -07:00
parent 1ce5fd3454
commit a711b32730
Signed by: affine
GPG key ID: 3A4645B8CF806069
4 changed files with 117 additions and 29 deletions
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67
src/bin/main.rs
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@ -28,22 +28,22 @@ use std::borrow::Cow;
use std::env;
#[derive(Clone)]
pub struct CustomPrompt<'a>(&'a str);
impl Prompt for CustomPrompt<'_> {
pub struct CustomPrompt(String, String, String);
impl Prompt for CustomPrompt {
fn render_prompt_left(&self) -> Cow<str> {
{
Cow::Owned(self.0.to_string())
Cow::Owned(self.0.to_owned())
}
}
fn render_prompt_right(&self) -> Cow<str> {
{
Cow::Owned(format!(""))
Cow::Owned(self.1.to_owned())
}
}
fn render_prompt_indicator(&self, _edit_mode: PromptEditMode) -> Cow<str> {
Cow::Owned("> ".to_string())
Cow::Owned(self.2.to_owned())
}
fn render_prompt_multiline_indicator(&self) -> Cow<str> {
@ -117,20 +117,7 @@ fn main() {
// repl :)
loop {
let s = *syms
.call_symbol(&"CFG_RELISH_PROMPT".to_string(), &Seg::new(), true)
.unwrap_or_else(|err: String| {
eprintln!("{}", err);
Box::new(Ctr::String("<prompt broken!>".to_string()))
});
let p_str: String;
if let Ctr::String(s) = s {
p_str = s;
} else {
p_str = s.to_string();
}
let readline_prompt = CustomPrompt(p_str.as_str());
let readline_prompt = make_prompt(&mut syms);
let user_doc = rl.read_line(&readline_prompt).unwrap();
match user_doc {
Signal::Success(line) => {
@ -156,3 +143,45 @@ fn main() {
}
}
}
fn make_prompt(syms: &mut SymTable) -> CustomPrompt {
let l_ctr = *syms
.call_symbol(&"CFG_RELISH_L_PROMPT".to_string(), &Seg::new(), true)
.unwrap_or_else(|err: String| {
eprintln!("{}", err);
Box::new(Ctr::String("<prompt broken!>".to_string()))
});
let r_ctr = *syms
.call_symbol(&"CFG_RELISH_R_PROMPT".to_string(), &Seg::new(), true)
.unwrap_or_else(|err: String| {
eprintln!("{}", err);
Box::new(Ctr::String("<prompt broken!>".to_string()))
});
let d_ctr = *syms
.call_symbol(&"CFG_RELISH_PROMPT_DELIMITER".to_string(), &Seg::new(), true)
.unwrap_or_else(|err: String| {
eprintln!("{}", err);
Box::new(Ctr::String("<prompt broken!>".to_string()))
});
let l_str: String;
let r_str: String;
let d_str: String;
if let Ctr::String(s) = l_ctr {
l_str = s;
} else {
l_str = l_ctr.to_string();
}
if let Ctr::String(s) = r_ctr {
r_str = s;
} else {
r_str = r_ctr.to_string();
}
if let Ctr::String(s) = d_ctr {
d_str = s;
} else {
d_str = d_ctr.to_string();
}
CustomPrompt(l_str, r_str, d_str)
}