48 lines
1.0 KiB
Rust
48 lines
1.0 KiB
Rust
use crate::dice::ElementExpression;
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use crate::roll::{Roll, Rolled};
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use nom::error::ErrorKind;
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use nom::IResult;
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pub mod parser;
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pub struct Execution {
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plain: String,
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html: String,
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}
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impl Execution {
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pub fn plain(&self) -> &str {
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&self.plain
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}
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pub fn html(&self) -> &str {
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&self.html
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}
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}
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pub struct RollCommand(ElementExpression);
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pub trait Command {
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fn execute(&self) -> Execution;
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}
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impl Command for RollCommand {
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fn execute(&self) -> Execution {
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let roll = self.0.roll();
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let plain = format!("Dice: {}\nResult: {}", self.0, roll);
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let html = format!("<strong>Dice:</strong> {}<br><strong>Result</strong>: {}", self.0, roll);
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Execution {
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plain,
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html,
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}
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}
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}
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pub fn parse_command(s: &str) -> Option<Result<Box<dyn Command>, String>> {
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// Ignore trailing input, if any.
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match parser::parse_command(s) {
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Ok((_, Some(command))) => Some(Ok(command)),
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Ok((_, None)) => None,
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Err(err) => Some(Err(err.to_string())),
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}
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}
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