#![allow(clippy::too_many_arguments)]
#![allow(clippy::useless_conversion)]
#[allow(unused_imports)]
use alloc::borrow::Cow;
#[allow(unused_imports)]
use core::convert::TryInto;
use alloc::vec;
use alloc::vec::Vec;
use core::convert::TryFrom;
use crate::errors::ParseError;
#[allow(unused_imports)]
use crate::x11_utils::TryIntoUSize;
use crate::BufWithFds;
#[allow(unused_imports)]
use crate::utils::{RawFdContainer, pretty_print_bitmask, pretty_print_enum};
#[allow(unused_imports)]
use crate::x11_utils::{Request, RequestHeader, Serialize, TryParse, TryParseFd};
pub const X11_EXTENSION_NAME: &str = "Generic Event Extension";
pub const X11_XML_VERSION: (u32, u32) = (1, 0);
pub const QUERY_VERSION_REQUEST: u8 = 0;
#[derive(Clone, Copy, Default)]
#[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash))]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct QueryVersionRequest {
pub client_major_version: u16,
pub client_minor_version: u16,
}
impl_debug_if_no_extra_traits!(QueryVersionRequest, "QueryVersionRequest");
impl QueryVersionRequest {
pub fn serialize(self, major_opcode: u8) -> BufWithFds<[Cow<'static, [u8]>; 1]> {
let length_so_far = 0;
let client_major_version_bytes = self.client_major_version.serialize();
let client_minor_version_bytes = self.client_minor_version.serialize();
let mut request0 = vec![
major_opcode,
QUERY_VERSION_REQUEST,
0,
0,
client_major_version_bytes[0],
client_major_version_bytes[1],
client_minor_version_bytes[0],
client_minor_version_bytes[1],
];
let length_so_far = length_so_far + request0.len();
assert_eq!(length_so_far % 4, 0);
let length = u16::try_from(length_so_far / 4).unwrap_or(0);
request0[2..4].copy_from_slice(&length.to_ne_bytes());
([request0.into()], vec![])
}
#[cfg(feature = "request-parsing")]
pub fn try_parse_request(header: RequestHeader, value: &[u8]) -> Result<Self, ParseError> {
if header.minor_opcode != QUERY_VERSION_REQUEST {
return Err(ParseError::InvalidValue);
}
let (client_major_version, remaining) = u16::try_parse(value)?;
let (client_minor_version, remaining) = u16::try_parse(remaining)?;
let _ = remaining;
Ok(QueryVersionRequest {
client_major_version,
client_minor_version,
})
}
}
impl Request for QueryVersionRequest {
const EXTENSION_NAME: Option<&'static str> = Some(X11_EXTENSION_NAME);
fn serialize(self, major_opcode: u8) -> BufWithFds<Vec<u8>> {
let (bufs, fds) = self.serialize(major_opcode);
let buf = bufs.iter().flat_map(|buf| buf.iter().copied()).collect();
(buf, fds)
}
}
impl crate::x11_utils::ReplyRequest for QueryVersionRequest {
type Reply = QueryVersionReply;
}
#[derive(Clone, Copy, Default)]
#[cfg_attr(feature = "extra-traits", derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash))]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct QueryVersionReply {
pub sequence: u16,
pub length: u32,
pub major_version: u16,
pub minor_version: u16,
}
impl_debug_if_no_extra_traits!(QueryVersionReply, "QueryVersionReply");
impl TryParse for QueryVersionReply {
fn try_parse(initial_value: &[u8]) -> Result<(Self, &[u8]), ParseError> {
let remaining = initial_value;
let (response_type, remaining) = u8::try_parse(remaining)?;
let remaining = remaining.get(1..).ok_or(ParseError::InsufficientData)?;
let (sequence, remaining) = u16::try_parse(remaining)?;
let (length, remaining) = u32::try_parse(remaining)?;
let (major_version, remaining) = u16::try_parse(remaining)?;
let (minor_version, remaining) = u16::try_parse(remaining)?;
let remaining = remaining.get(20..).ok_or(ParseError::InsufficientData)?;
if response_type != 1 {
return Err(ParseError::InvalidValue);
}
let result = QueryVersionReply { sequence, length, major_version, minor_version };
let _ = remaining;
let remaining = initial_value.get(32 + length as usize * 4..)
.ok_or(ParseError::InsufficientData)?;
Ok((result, remaining))
}
}
impl Serialize for QueryVersionReply {
type Bytes = [u8; 32];
fn serialize(&self) -> [u8; 32] {
let response_type_bytes = &[1];
let sequence_bytes = self.sequence.serialize();
let length_bytes = self.length.serialize();
let major_version_bytes = self.major_version.serialize();
let minor_version_bytes = self.minor_version.serialize();
[
response_type_bytes[0],
0,
sequence_bytes[0],
sequence_bytes[1],
length_bytes[0],
length_bytes[1],
length_bytes[2],
length_bytes[3],
major_version_bytes[0],
major_version_bytes[1],
minor_version_bytes[0],
minor_version_bytes[1],
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
]
}
fn serialize_into(&self, bytes: &mut Vec<u8>) {
bytes.reserve(32);
let response_type_bytes = &[1];
bytes.push(response_type_bytes[0]);
bytes.extend_from_slice(&[0; 1]);
self.sequence.serialize_into(bytes);
self.length.serialize_into(bytes);
self.major_version.serialize_into(bytes);
self.minor_version.serialize_into(bytes);
bytes.extend_from_slice(&[0; 20]);
}
}