[fix] sending messages
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6 changed files with 147 additions and 13 deletions
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@ -7,6 +7,8 @@ An attempt to write a language protocol server using BaseX features...
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* https://github.com/mkslanc/ace-linters https://mkslanc.github.io/ace-linters/
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* I needed `set NODE_OPTIONS=--max_old_space_size=8192` for build to complete
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* or `node --max-old-space-size=8192 node_modules/webpack-dev-serve
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r/bin/webpack-dev-server.js`
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## notes
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Using https://github.com/mkslanc/ace-linters https://mkslanc.github.io/ace-linters/
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59
webapp/lsp/jsonrpc.xqm
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59
webapp/lsp/jsonrpc.xqm
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@ -0,0 +1,59 @@
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(:~
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: jsonrpc
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: @author andy bunce
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:)
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module namespace lsprpc = 'lsprpc';
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declare variable $lsprpc:methods:=map{
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"initialize" : lsprpc:method-initialize#1,
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"initialized" : lsprpc:method-unknown#1,
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"workspace/didChangeConfiguration" :lsprpc:method-unknown#1,
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"textDocument/didOpen": lsprpc:method-unknown#1,
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"textDocument/didClose" : lsprpc:method-unknown#1
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};
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(:~ return map if $msg is jsonrpc else empty :)
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declare
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function lsprpc:parse($msg as xs:string)
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as map(*)?
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{
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try {
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let $json:=parse-json($msg)
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return if($json?jsonrpc="2.0" and exists($json?method))
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then $json
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else ()
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} catch *{
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()
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}
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};
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(:~ send replay to $json :)
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declare
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function lsprpc:reply($json as map(*))
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as empty-sequence() {
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let $method := $json?method
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let $f :=$lsprpc:methods?($method)
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let $response := $f!.($json)
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return if(exists($response)) then ws:send($response=>trace("REPLY: "),ws:id())
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};
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(:~ canned initialize response :)
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declare
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function lsprpc:method-initialize($json as map(*))
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as map(*)?
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{
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``[{"jsonrpc":"2.0","id":0,
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"result":{"capabilities":{"textDocumentSync":2,"completionProvider":{"resolveProvider":false,"triggerCharacters":["\"",":"]},"hoverProvider":true,"documentSymbolProvider":true,"documentRangeFormattingProvider":false,"colorProvider":{},"foldingRangeProvider":true,"selectionRangeProvider":true,"documentLinkProvider":{}}}}]``
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=>parse-json()
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};
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(:~ unknown method response :)
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declare
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function lsprpc:method-unknown($json as map(*))
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as map(*)?
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{
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let $_:=trace($json?method,"unknown")
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return ()
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};
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@ -1,9 +1,10 @@
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(:~
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: Simple WebSocket chat. WebSocket functions.
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: @author BaseX Team, BSD License
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: WebSocket LSP
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: @author Andy Bunce
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:)
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module namespace lsp-ws = 'lsp-ws';
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import module namespace lsprpc = 'lsprpc' at 'jsonrpc.xqm';
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import module namespace chat-util = 'chat/util' at 'lsp-util.xqm';
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declare
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@ -18,9 +19,8 @@ function lsp-ws:error($error) {
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declare
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%ws:connect('/lsp')
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function lsp-ws:connect() as empty-sequence() {
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let $_:=ws:id()=>trace("CONNECT2: ")
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let $_:=session:get($chat-util:id)=>trace("CONNECTx: ")
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return ws:set(ws:id()=>trace("CONNECT: "), $chat-util:id, "session:get($chat-util:id)")
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ws:set(ws:id()=>trace("CONNECT: "), $chat-util:id, "session:get($chat-util:id)")
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(: ,chat-util:users() :)
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};
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@ -33,15 +33,14 @@ declare
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function lsp-ws:message(
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$message as xs:string
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) as empty-sequence() {
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let $json := parse-json($message=>trace("MSG "))
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let $type := $json?type
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return if($type = 'message') then (
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chat-util:message($json?text, $json?to)
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) else if($type = 'ping') then(
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(: do nothing :)
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) else error()
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let $json := lsprpc:parse($message=>trace("MSG "))
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return if(exists($json))
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then lsprpc:reply($json)
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else message($message,"bad RPC: ")
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};
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(:~
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: Closes a WebSocket connection. Unregisters the user and notifies all clients.
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:)
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41
webapp/static/ace/esm.html
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41
webapp/static/ace/esm.html
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@ -0,0 +1,41 @@
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<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width,height=device-height" />
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<title>BaseX LSP</title>
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</head>
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<body>
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<div>something<button onclick="foo()">send</button><a href="/dba/logs" target="_blank">dba</a></div>
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<div id="editor" style="height: 100px">some text</div>
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<script type="module">
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import * as ace from "https://www.unpkg.com/ace-code@latest/src-noconflict/ace.js";
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import { Mode as JSONMode } from "ace-code/src/mode/json"; //any mode you want
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import { AceLanguageClient } from "ace-linters/build/ace-language-client";
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// Create a web socket
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const serverData = {
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module: () => import("ace-linters/build/language-client"),
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modes: "json|json5",
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type: "socket",
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socket: new WebSocket("ws://127.0.0.1:3000/exampleServer"), // address of your websocket server
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}
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// Create an Ace editor
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let editor = ace.edit("container", {
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mode: new JSONMode() // Set the mode of the editor to JSON
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});
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// Create a language provider for web socket
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let languageProvider = AceLanguageClient.for(serverData);
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// Register the editor with the language provider
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languageProvider.registerEditor(editor);
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</script>
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</body>
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</html>
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@ -32,7 +32,7 @@ const serverData = {
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module: () => import("https://www.unpkg.com/ace-linters@latest/build/language-client"),
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modes: "json|json5",
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type: "socket",
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socket: new WebSocket("ws://127.0.0.1:3000/exampleServer"), // your websocket server address
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socket: new WebSocket("ws://127.0.0.1:3000/ws/lsp"), // your websocket server address
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}
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function opts(editor) {
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33
webapp/static/ace/socket.html
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33
webapp/static/ace/socket.html
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@ -0,0 +1,33 @@
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<!DOCTYPE html>
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<html lang="en-US">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<meta name="viewport" content="width=device-width,height=device-height" />
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<title>BaseX LSP</title>
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</head>
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<body>
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<div>Socket <button onclick="foo()">send</button><a href="/dba/logs" target="_blank">dba</a></div>
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<script>
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var socket = new WebSocket("ws://127.0.0.1:3000/ws/lsp") // address of your websocket server
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// Listen for possible errors
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socket.addEventListener("error", (event) => {
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console.log("WebSocket error: ", event);
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});
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socket.addEventListener("close", (event) => {
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console.log("closed", event.code, event.reason, event.wasClean);
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});
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socket.addEventListener("open", (event) => {
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setInterval(function ping() { socket.send('{"type":"ping","msg":"staying alive"}'); }, 100000);
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socket.send('{"type":"ping","msg":"Hello Server!"}');
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});
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function foo() {
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socket.send('{"type":"ping","msg":"foo!"}');
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};
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</script>
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</body>
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</html>
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