56 lines
1.5 KiB
Rust
56 lines
1.5 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::{
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Request,
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commands::{Command, RequestParserError, RequestParserResult, ResponseParserError},
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common::SongPosition,
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request_tokenizer::RequestTokenizer,
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response_tokenizer::ResponseAttributes,
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};
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pub struct Swap;
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct SwapRequest {
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pub songpos1: SongPosition,
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pub songpos2: SongPosition,
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}
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impl Command for Swap {
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type Request = SwapRequest;
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type Response = ();
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const COMMAND: &'static str = "swap";
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fn serialize_request(&self, request: Self::Request) -> String {
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format!(
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"{} {} {}",
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Self::COMMAND,
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request.songpos1,
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request.songpos2
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)
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}
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fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
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let songpos1 = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
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let songpos1 = songpos1
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.parse()
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.map_err(|_| RequestParserError::SyntaxError(0, songpos1.to_string()))?;
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let songpos2 = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
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let songpos2 = songpos2
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.parse()
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.map_err(|_| RequestParserError::SyntaxError(0, songpos2.to_string()))?;
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debug_assert!(parts.next().is_none());
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Ok((Request::Swap(songpos1, songpos2), ""))
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}
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fn parse_response(
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parts: ResponseAttributes<'_>,
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) -> Result<Self::Response, ResponseParserError<'_>> {
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debug_assert!(parts.is_empty());
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Ok(())
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}
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}
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