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use std::slice::Iter;
use crate::cmd::lists::POSITION::{AFTER, BEFORE};
#[derive(Debug)]
pub struct BRPOPLPUSH<'a> {
pub source: &'a [u8],
pub destination: &'a [u8],
pub timeout: &'a [u8],
}
pub(crate) fn parse_brpoplpush(mut iter: Iter<Vec<u8>>) -> BRPOPLPUSH {
let source = iter.next().unwrap();
let destination = iter.next().unwrap();
let timeout = iter.next().unwrap();
BRPOPLPUSH { source, destination, timeout }
}
#[derive(Debug)]
pub struct LINSERT<'a> {
pub key: &'a [u8],
pub position: POSITION,
pub pivot: &'a [u8],
pub element: &'a [u8],
}
#[derive(Debug)]
pub enum POSITION {
BEFORE,
AFTER,
}
pub(crate) fn parse_linsert(mut iter: Iter<Vec<u8>>) -> LINSERT {
let key = iter.next().unwrap();
let next_arg = iter.next().unwrap();
let position;
let arg_upper = String::from_utf8_lossy(next_arg).to_uppercase();
if &arg_upper == "BEFORE" {
position = BEFORE;
} else {
position = AFTER;
}
let pivot = iter.next().unwrap();
let element = iter.next().unwrap();
LINSERT { key, position, pivot, element }
}
#[derive(Debug)]
pub struct LPOP<'a> {
pub key: &'a [u8],
}
pub(crate) fn parse_lpop(mut iter: Iter<Vec<u8>>) -> LPOP {
let key = iter.next().unwrap();
LPOP { key }
}
#[derive(Debug)]
pub struct LPUSH<'a> {
pub key: &'a [u8],
pub elements: Vec<&'a [u8]>,
}
pub(crate) fn parse_lpush(mut iter: Iter<Vec<u8>>) -> LPUSH {
let key = iter.next().unwrap();
let mut elements = Vec::new();
while let Some(ele) = iter.next() {
elements.push(ele.as_slice());
}
LPUSH { key, elements }
}
#[derive(Debug)]
pub struct LPUSHX<'a> {
pub key: &'a [u8],
pub elements: Vec<&'a [u8]>,
}
pub(crate) fn parse_lpushx(mut iter: Iter<Vec<u8>>) -> LPUSHX {
let key = iter.next().unwrap();
let mut elements = Vec::new();
while let Some(ele) = iter.next() {
elements.push(ele.as_slice());
}
LPUSHX { key, elements }
}
#[derive(Debug)]
pub struct LREM<'a> {
pub key: &'a [u8],
pub count: &'a [u8],
pub element: &'a [u8],
}
pub(crate) fn parse_lrem(mut iter: Iter<Vec<u8>>) -> LREM {
let key = iter.next().unwrap();
let count = iter.next().unwrap();
let element = iter.next().unwrap();
LREM { key, count, element }
}
#[derive(Debug)]
pub struct LSET<'a> {
pub key: &'a [u8],
pub index: &'a [u8],
pub element: &'a [u8],
}
pub(crate) fn parse_lset(mut iter: Iter<Vec<u8>>) -> LSET {
let key = iter.next().unwrap();
let index = iter.next().unwrap();
let element = iter.next().unwrap();
LSET { key, index, element }
}
#[derive(Debug)]
pub struct LTRIM<'a> {
pub key: &'a [u8],
pub start: &'a [u8],
pub stop: &'a [u8],
}
pub(crate) fn parse_ltrim(mut iter: Iter<Vec<u8>>) -> LTRIM {
let key = iter.next().unwrap();
let start = iter.next().unwrap();
let stop = iter.next().unwrap();
LTRIM { key, start, stop }
}
#[derive(Debug)]
pub struct RPOP<'a> {
pub key: &'a [u8],
}
pub(crate) fn parse_rpop(mut iter: Iter<Vec<u8>>) -> RPOP {
let key = iter.next().unwrap();
RPOP { key }
}
#[derive(Debug)]
pub struct RPOPLPUSH<'a> {
pub source: &'a [u8],
pub destination: &'a [u8],
}
pub(crate) fn parse_rpoplpush(mut iter: Iter<Vec<u8>>) -> RPOPLPUSH {
let source = iter.next().unwrap();
let destination = iter.next().unwrap();
RPOPLPUSH { source, destination }
}
#[derive(Debug)]
pub struct RPUSH<'a> {
pub key: &'a [u8],
pub elements: Vec<&'a [u8]>,
}
pub(crate) fn parse_rpush(mut iter: Iter<Vec<u8>>) -> RPUSH {
let key = iter.next().unwrap();
let mut elements = Vec::new();
while let Some(ele) = iter.next() {
elements.push(ele.as_slice());
}
RPUSH { key, elements }
}
#[derive(Debug)]
pub struct RPUSHX<'a> {
pub key: &'a [u8],
pub elements: Vec<&'a [u8]>,
}
pub(crate) fn parse_rpushx(mut iter: Iter<Vec<u8>>) -> RPUSHX {
let key = iter.next().unwrap();
let mut elements = Vec::new();
while let Some(ele) = iter.next() {
elements.push(ele.as_slice());
}
RPUSHX { key, elements }
}