gave context items module structure, moved context build to a new method, and implemented empty and set flags

This commit is contained in:
Valerie Wolfe 2024-08-28 10:40:03 -04:00
parent 6a526ba8a5
commit 2bae1475b6
6 changed files with 66 additions and 38 deletions

4
src/context/mod.rs Normal file
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@ -0,0 +1,4 @@
pub mod global;
pub mod helper;

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@ -2,5 +2,6 @@
pub const EMPTY_CONTEXT: [&str;2] = [ "-E", "--empty"];
pub const HELP: [&str;2] = [ "-h", "--help" ];
pub const QUIET: [&str;2] = [ "-q", "--quiet" ];
pub const SET: &str = "--set";
pub const VERSION: [&str;2] = [ "-V", "--version" ];

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@ -9,7 +9,6 @@ use std::{
};
use evalexpr::{
context_map,
eval_with_context_mut,
ContextWithMutableVariables,
HashMapContext,
@ -21,9 +20,9 @@ use termion::{
style
};
mod context;
mod eval;
mod flag;
mod global;
mod helper;
mod util;
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
@ -41,38 +40,7 @@ fn main() {
return;
}
// build context and handle empty flag
let mut context =
if !args.contains(flag::EMPTY_CONTEXT) {
context_map! {
// globals
"c" => global::LIGHT_SPEED,
"e" => global::EULER,
"phi" => global::GOLDEN_RATIO,
"pi" => global::PI,
"√2" => global::ROOT_TWO,
// math functions
"fix" => Function::new(|arg| helper::fix(arg)),
"log" => Function::new(|arg| helper::logarithm(arg)),
"sqrt" => Function::new(|arg| helper::square_root(arg)),
// data science functions
"avg" => Function::new(|arg| helper::average(arg)),
// radix functions
"bin" => Function::new(|arg| helper::binary(arg)),
"hex" => Function::new(|arg| helper::hexadecimal(arg)),
"oct" => Function::new(|arg| helper::octal(arg)),
// character aliases
"ϕ" => global::GOLDEN_RATIO,
"π" => global::PI,
"" => Function::new(|arg| helper::square_root(arg))
}.unwrap()
} else {
HashMapContext::new()
};
let mut context = util::build_context(&mut args);
// collect args and evaluate if present
let expressions = args.finish();

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@ -1,7 +1,12 @@
use evalexpr::{
Value,
EvalexprError
context_map, ContextWithMutableVariables, EvalexprError, HashMapContext, Value
};
use pico_args::Arguments;
use crate::{
context::{ global, helper },
flag
};
pub(crate) fn parse_radix(prefix: &str, base: u32, arg: &Value) -> Result<Value, EvalexprError> {
@ -16,3 +21,53 @@ pub(crate) fn parse_radix(prefix: &str, base: u32, arg: &Value) -> Result<Value,
return Ok(result.unwrap().into());
}
pub(crate) fn build_context(args: &mut Arguments) -> HashMapContext {
let mut output =
if !args.contains(flag::EMPTY_CONTEXT) {
context_map! {
// globals
"c" => global::LIGHT_SPEED,
"e" => global::EULER,
"phi" => global::GOLDEN_RATIO,
"pi" => global::PI,
"√2" => global::ROOT_TWO,
// math functions
"fix" => Function::new(|arg| helper::fix(arg)),
"log" => Function::new(|arg| helper::logarithm(arg)),
"sqrt" => Function::new(|arg| helper::square_root(arg)),
// data science functions
"avg" => Function::new(|arg| helper::average(arg)),
// radix functions
"bin" => Function::new(|arg| helper::binary(arg)),
"hex" => Function::new(|arg| helper::hexadecimal(arg)),
"oct" => Function::new(|arg| helper::octal(arg)),
// character aliases
"ϕ" => global::GOLDEN_RATIO,
"π" => global::PI,
"" => Function::new(|arg| helper::square_root(arg))
}.unwrap()
} else { HashMapContext::new() };
while let Ok(value) = args.value_from_str::<&str, String>(flag::SET) {
let split: Vec<&str> = value.split('=').collect();
if split.len() == 2 {
let key = split[0].to_owned();
let value_str = split[1];
let value =
if let Ok(integer) = value_str.parse::<i64>() { Value::Int(integer) }
else if let Ok(float) = value_str.parse::<f64>() { Value::Float(float) }
else { Value::from(value_str) };
output.set_value(key, value).ok(); }
else { std::process::exit(1); }
}
output
}