feat: added core codemp commands for text sync

note that there's an awful OP_CACHE set to store our edits because we
get them as events too... will have a ton of edge cases! apart from this
text synchronization works pretty well, also autocompletions
This commit is contained in:
əlemi 2023-07-04 01:05:05 +02:00
parent 7d497c224d
commit 340eafb432

View file

@ -2,17 +2,108 @@ const vscode = require("vscode");
const codemp = require("./codemp.node");
var CLIENT = null
var CONTROLLER
var OP_CACHE = new Set()
async function activate(context) {
// This must match the command property in the package.json
const commandID = "codemp.connect";
let disposable = vscode.commands.registerCommand(commandID, connect);
context.subscriptions.push(disposable);
context.subscriptions.push(
vscode.commands.registerCommand("codemp.connect", connect),
vscode.commands.registerCommand("codemp.share", share),
vscode.commands.registerCommand("codemp.join", join),
)
}
async function connect() {
CLIENT = await codemp.connect("http://fantabos.co:50051")
vscode.window.showInformationMessage("Connected to CodeMP!");
let host = await vscode.window.showInputBox({prompt: "server host (default to http://fantabos.co:50051)"})
if (host === undefined) return // user cancelled with ESC
if (host.length == 0) host = "http://fantabos.co:50051"
CLIENT = await codemp.connect(host)
vscode.window.showInformationMessage(`Connected to codemp @[${host}]`);
}
async function share() {
if (CLIENT === null) {
vscode.window.showErrorMessage("No connected client");
}
let path = await vscode.window.showInputBox({prompt: "buffer uri (default to file path)"})
if (path === undefined) return // user cancelled with ESC
if (path.length == 0) path = doc.uri.toString()
let doc = vscode.window.activeTextEditor.document;
try {
if (!await CLIENT.create(path, doc.getText())) {
vscode.window.showErrorMessage("Could not share buffer");
}
await _attach(path)
vscode.window.showInformationMessage(`Shared document on buffer "${path}"`);
} catch (err) {
vscode.window.showErrorMessage("Error sharing: " + err)
}
}
async function join() {
if (CLIENT === null) {
vscode.window.showErrorMessage("No connected client");
}
let path = await vscode.window.showInputBox({prompt: "buffer uri"})
try {
let controller = await _attach(path)
vscode.window.showInformationMessage(`Joined buffer "${path}"`);
let editor = vscode.window.activeTextEditor
let range = new vscode.Range(
editor.document.positionAt(0),
editor.document.positionAt(editor.document.getText().length)
)
let content = controller.content()
OP_CACHE.add((range, content))
editor.edit(editBuilder => editBuilder.replace(range, content))
} catch (err) {
vscode.window.showErrorMessage("error joining " + err)
}
}
async function _attach(path) {
let doc = vscode.window.activeTextEditor.document;
CONTROLLER = await CLIENT.attach(path)
vscode.workspace.onDidChangeTextDocument(async (e) => {
if (e.document != doc) return
for (let change of e.contentChanges) {
if (OP_CACHE.has((change.range, change.text))) {
OP_CACHE.delete((change.range, change.text))
continue
}
try {
await CONTROLLER.apply(change.rangeOffset, change.text, change.rangeOffset + change.rangeLength)
} catch (err) {
vscode.window.showErrorMessage("failed sending change: " + err)
}
}
})
let editor = vscode.window.activeTextEditor
CONTROLLER.set_callback((start, end) => {
// TODO only change affected document range
let content = CONTROLLER.content()
let range = new vscode.Range(
editor.document.positionAt(0),
editor.document.positionAt(editor.document.getText().length)
)
try {
OP_CACHE.add((range, content))
editor.edit(editBuilder => editBuilder.replace(range, content))
} catch (err) {
vscode.window.showErrorMessage("could not set buffer: " + err)
}
})
return CONTROLLER
}
module.exports = {