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// This file contains generated code. Do not edit directly.
// To regenerate this, run 'make'.

//! Bindings to the `BigRequests` X11 extension.

#![allow(clippy::too_many_arguments)]

#[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, PiecewiseBuf};
#[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};

/// The X11 name of the extension for QueryExtension
pub const X11_EXTENSION_NAME: &str = "BIG-REQUESTS";

/// The version number of this extension that this client library supports.
///
/// This constant contains the version number of this extension that is supported
/// by this build of x11rb. For most things, it does not make sense to use this
/// information. If you need to send a `QueryVersion`, it is recommended to instead
/// send the maximum version of the extension that you need.
pub const X11_XML_VERSION: (u32, u32) = (0, 0);

/// Opcode for the Enable request
pub const ENABLE_REQUEST: u8 = 0;
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct EnableRequest;
impl EnableRequest {
    /// Serialize this request into bytes for the provided connection
    pub fn serialize(self, major_opcode: u8) -> BufWithFds<PiecewiseBuf<'static>> {
        let length_so_far = 0;
        let mut request0 = vec![
            major_opcode,
            ENABLE_REQUEST,
            0,
            0,
        ];
        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());
        (vec![request0.into()], vec![])
    }
    /// Parse this request given its header, its body, and any fds that go along with it
    pub fn try_parse_request(header: RequestHeader, value: &[u8]) -> Result<Self, ParseError> {
        if header.minor_opcode != ENABLE_REQUEST {
            return Err(ParseError::InvalidValue);
        }
        let _ = value;
        Ok(EnableRequest
        )
    }
}
impl Request for EnableRequest {
    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);
        // Flatten the buffers into a single vector
        let buf = bufs.iter().flat_map(|buf| buf.iter().copied()).collect();
        (buf, fds)
    }
}
impl crate::x11_utils::ReplyRequest for EnableRequest {
    type Reply = EnableReply;
}

#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
pub struct EnableReply {
    pub sequence: u16,
    pub length: u32,
    pub maximum_request_length: u32,
}
impl TryParse for EnableReply {
    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 (maximum_request_length, remaining) = u32::try_parse(remaining)?;
        if response_type != 1 {
            return Err(ParseError::InvalidValue);
        }
        let result = EnableReply { sequence, length, maximum_request_length };
        let _ = remaining;
        let remaining = initial_value.get(32 + length as usize * 4..)
            .ok_or(ParseError::InsufficientData)?;
        Ok((result, remaining))
    }
}