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= "0.3.8" +widestring = "0.4.0" diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e5b5097 --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) [2020] [sadolit] + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.adoc b/README.adoc new file mode 100644 index 0000000..d1a4fc7 --- /dev/null +++ b/README.adoc @@ -0,0 +1,29 @@ += textractor_websocket + +== Summary + +A plugin for https://github.com/Artikash/Textractor[Textractor] written in Rust that opens a WebSocket and sends captured text to all connected clients. + +Tested in Wine. + +== Build + +[source,sh] +---- +# This builds both executable for testing and dynamic library +cargo build +---- + +== Installation + +Copy compiled .dll to the Textractor directory and add it in the Extensions page. + +== Usage + +After installing the plugin, it will automatically start a server at link:ws://0.0.0.0:6677[] + +NOTE: Webserver starts lazily and ignores first two buffers, _viz._ Clipboard and Console. +That means that you will have to select a buffer you wish to and capture at least +one line to start the server. + +You will also need a UI, here is an example you can use: https://github.com/sadolit/textractor-websocket-webui[Example] \ No newline at end of file diff --git a/src/lib.rs b/src/lib.rs new file mode 100644 index 0000000..69b1f72 --- /dev/null +++ b/src/lib.rs @@ -0,0 +1,47 @@ +use std::ffi::CStr; +use widestring::U16CString; +mod textractor_ws; + +fn get_property(info_array: *const InfoForExtension, property_name: &str) -> i64 { + let mut p = info_array; + while !p.is_null() { + unsafe { + let p_name = (*p).name; + let cs1 = CStr::from_ptr(p_name).to_str().unwrap(); + let cs2 = property_name; + if cs1 == cs2 { + let v = (*p).value; + return v; + } + p = p.add(1); + } + } + println!("Could not find property {}", property_name); + panic!("Could not find property"); +} + +#[repr(C)] +#[derive(Debug, Copy, Clone)] +pub struct InfoForExtension { + pub name: *mut ::std::os::raw::c_char, + pub value: i64, +} + +#[no_mangle] +pub extern "C" fn OnNewSentence( + sentence: *const u16, + sentence_info: *const InfoForExtension, +) -> *const u16 { + let u16_str: U16CString; + unsafe { + u16_str = U16CString::from_ptr_str(sentence); + } + + let safe_s = u16_str.to_string_lossy(); + let current_select = get_property(sentence_info, "current select"); + let text_number = get_property(sentence_info, "text number"); + if current_select != 0 && text_number > 1 { + textractor_ws::handle(safe_s); + } + sentence +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..34c5bd7 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,18 @@ +mod textractor_ws; + +use std::io; + +fn main() { + let mut buf = String::new(); + println!("Starting server at {}", textractor_ws::ADDRESS); + println!("Input any line and press ENTER to send it to all clients"); + loop { + match io::stdin().read_line(&mut buf) { + Ok(_n) => { + textractor_ws::handle(buf.clone()); + buf.clear(); + } + Err(error) => println!("error: {}", error), + } + } +} diff --git a/src/textractor_ws.rs b/src/textractor_ws.rs new file mode 100644 index 0000000..beea979 --- /dev/null +++ b/src/textractor_ws.rs @@ -0,0 +1,32 @@ +use std::string::String; +use std::thread::spawn; +use std::time::Duration; + +use crossbeam_channel::{bounded, Sender}; +use once_cell::sync::OnceCell; + +pub const ADDRESS: &str = "0.0.0.0:6677"; +const BOUND: usize = 1000; +const SEND_TIMEOUT: Duration = Duration::from_secs(1); + +fn run_once() -> Sender { + let (sender, receiver) = bounded(BOUND); + let me = ws::WebSocket::new(|_| move |_| Ok(())).unwrap(); + let broacaster = me.broadcaster(); + spawn(move || me.listen(ADDRESS).unwrap()); + spawn(move || loop { + let msg = receiver.recv().unwrap(); + broacaster.broadcast(msg).unwrap(); + }); + sender +} + +fn get_sender() -> &'static Sender { + static INSTANCE: OnceCell> = OnceCell::new(); + INSTANCE.get_or_init(run_once) +} + +pub(crate) fn handle(s: String) { + let sender = get_sender(); + sender.send_timeout(s, SEND_TIMEOUT).unwrap(); +}