rpn_cli/calc/
context.rs

1use crate::calc::value::ValueRef;
2use num::ToPrimitive;
3use std::mem::swap;
4
5#[derive(Clone, PartialEq)]
6pub enum Format {
7    Base10,
8    Base16(usize),
9}
10
11#[derive(Clone)]
12pub struct Context {
13    pub format: Format,
14    pub sep: bool,
15    pub dp: Option<u8>,
16}
17
18impl Context {
19    pub fn new() -> Self {
20        Self {
21            format: Format::Base10,
22            sep: false,
23            dp: None,
24        }
25    }
26
27    pub fn with_hex(mut self, hex: bool) -> Self {
28        self.format = if hex { Format::Base16(0) } else { Format::Base10 };
29        self
30    }
31
32    pub fn with_format(mut self, format: Format) -> Self {
33        self.format = format;
34        self
35    }
36
37    pub fn set_dec(&mut self) {
38        self.format = Format::Base10;
39    }
40
41    pub fn set_hex(&mut self) {
42        self.format = match self.format {
43            Format::Base10 => Format::Base16(0),
44            Format::Base16(count) => Format::Base16(count),
45        }
46    }
47
48    pub fn with_sep(mut self, sep: bool) -> Self {
49        self.sep = sep;
50        self
51    }
52
53    pub fn swap_sep(&mut self, mut sep: bool) -> bool {
54        swap(&mut self.sep, &mut sep);
55        sep
56    }
57
58    pub fn set_sep(&mut self) {
59        self.sep = true;
60    }
61
62    pub fn no_sep(&mut self) {
63        self.sep = false;
64    }
65
66    pub fn with_dp(mut self, dp: Option<u8>) -> Self {
67        self.dp = dp;
68        self
69    }
70
71    pub fn set_dp(&mut self, dp: ValueRef) {
72        if let Some(number) = &dp.borrow().number {
73            self.dp = number.to_u8();
74        } else {
75            self.dp = None;
76        }
77    }
78
79    pub fn set_dp_u8(&mut self, dp: u8) {
80        self.dp = Some(dp);
81    }
82
83    pub fn no_dp(&mut self) {
84        self.dp = None;
85    }
86}
rpn_cli/calc/context.rs

rpn_cli/calc/
context.rs
