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annotate rust/chg/src/clientext.rs @ 39977:74da9d999cd7

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rust-chg: add Client extensions to run cHg-specific requests This just provides a nicer way to issue command-server requests.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 24 Sep 2018 18:57:54 +0900
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children 045ea159418d
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39977
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1 // Copyright 2018 Yuya Nishihara <yuya@tcha.org>
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2 //
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3 // This software may be used and distributed according to the terms of the
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4 // GNU General Public License version 2 or any later version.
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5
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6 //! cHg extensions to command server client.
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7
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8 use std::ffi::OsStr;
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9 use std::os::unix::io::AsRawFd;
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10 use tokio_hglib::{Client, Connection};
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11
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12 use super::attachio::AttachIo;
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13 use super::message;
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14 use super::runcommand::ChgRunCommand;
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15 use super::uihandler::SystemHandler;
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16
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17 pub trait ChgClientExt<C>
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18 where C: Connection + AsRawFd,
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19 {
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20 /// Attaches the client file descriptors to the server.
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21 fn attach_io<I, O, E>(self, stdin: I, stdout: O, stderr: E) -> AttachIo<C, I, O, E>
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22 where I: AsRawFd,
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23 O: AsRawFd,
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24 E: AsRawFd;
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25
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26 /// Runs the specified Mercurial command with cHg extension.
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27 fn run_command_chg<I, P, H>(self, handler: H, args: I) -> ChgRunCommand<C, H>
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28 where I: IntoIterator<Item = P>,
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29 P: AsRef<OsStr>,
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30 H: SystemHandler;
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31 }
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32
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33 impl<C> ChgClientExt<C> for Client<C>
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34 where C: Connection + AsRawFd,
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35 {
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36 fn attach_io<I, O, E>(self, stdin: I, stdout: O, stderr: E) -> AttachIo<C, I, O, E>
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37 where I: AsRawFd,
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38 O: AsRawFd,
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39 E: AsRawFd,
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40 {
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41 AttachIo::with_client(self, stdin, stdout, Some(stderr))
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42 }
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43
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44 fn run_command_chg<I, P, H>(self, handler: H, args: I) -> ChgRunCommand<C, H>
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45 where I: IntoIterator<Item = P>,
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46 P: AsRef<OsStr>,
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47 H: SystemHandler,
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48 {
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49 ChgRunCommand::with_client(self, handler, message::pack_args_os(args))
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50 }
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51 }