52 lines
1.5 KiB
Rust
52 lines
1.5 KiB
Rust
use std::collections::HashMap;
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use crate::{
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request_tokenizer::RequestTokenizer,
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commands::{
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Command, GenericResponseValue, Request, RequestParserError, RequestParserResult,
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ResponseAttributes, ResponseParserError,
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},
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common::Uri,
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};
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pub struct ReadComments;
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pub type ReadCommentsResponse = HashMap<String, String>;
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impl Command for ReadComments {
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type Request = Uri;
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type Response = ReadCommentsResponse;
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const COMMAND: &'static str = "readcomments";
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fn serialize_request(&self, request: Self::Request) -> String {
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format!("{} {}", Self::COMMAND, request)
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}
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fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
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let uri = parts.next().ok_or(RequestParserError::UnexpectedEOF)?;
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let uri = uri
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.parse()
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.map_err(|_| RequestParserError::SyntaxError(1, uri.to_owned()))?;
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debug_assert!(parts.next().is_none());
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Ok((Request::ReadComments(uri), ""))
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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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let parts: HashMap<_, _> = parts.into();
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let comments = parts
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.iter()
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.map(|(k, v)| match v {
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GenericResponseValue::Text(s) => Ok((k.to_string(), s.to_string())),
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GenericResponseValue::Binary(_) => Err(ResponseParserError::SyntaxError(1, k)),
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})
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.collect::<Result<HashMap<_, _>, ResponseParserError>>()?;
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Ok(comments)
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}
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}
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