66203
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'use strict';
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import * as timers from 'timers'
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import { ViewColumn, TextDocument, TextEditor, TextDocumentContentProvider,
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ExtensionContext, Event, EventEmitter, Uri, Position, workspace,
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window, commands } from 'vscode'
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import { LanguageClient } from 'vscode-languageclient';
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import * as library from './library'
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import * as protocol from './protocol'
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import { Content_Provider } from './content_provider'
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/* HTML content */
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const content_provider = new Content_Provider("isabelle-preview")
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function encode_preview(document_uri: Uri | undefined): Uri | undefined
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{
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if (document_uri && library.is_file(document_uri)) {
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return content_provider.uri_template.with({ query: document_uri.fsPath })
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}
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else undefined
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}
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function decode_preview(preview_uri: Uri | undefined): Uri | undefined
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{
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if (preview_uri && preview_uri.scheme === content_provider.uri_scheme) {
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return Uri.file(preview_uri.query)
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}
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else undefined
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}
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/* setup */
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let language_client: LanguageClient
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export function setup(context: ExtensionContext, client: LanguageClient)
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{
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context.subscriptions.push(content_provider.register())
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language_client = client
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language_client.onNotification(protocol.preview_response_type, params =>
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{
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const preview_uri = encode_preview(Uri.parse(params.uri))
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if (preview_uri) {
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content_provider.set_content(preview_uri, params.content)
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content_provider.update(preview_uri)
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const existing_document =
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workspace.textDocuments.find(document =>
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document.uri.scheme === preview_uri.scheme &&
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document.uri.query === preview_uri.query)
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if (!existing_document && params.column != 0) {
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commands.executeCommand("vscode.previewHtml", preview_uri, params.column, params.label)
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}
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}
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})
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}
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/* commands */
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export function request(uri?: Uri, split: boolean = false)
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{
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const document_uri = uri || window.activeTextEditor.document.uri
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const preview_uri = encode_preview(document_uri)
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if (preview_uri && language_client) {
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language_client.sendNotification(protocol.preview_request_type,
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{ uri: document_uri.toString(),
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column: library.adjacent_editor_column(window.activeTextEditor, split) })
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}
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}
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export function update(preview_uri: Uri)
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{
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const document_uri = decode_preview(preview_uri)
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if (document_uri && language_client) {
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language_client.sendNotification(protocol.preview_request_type,
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{ uri: document_uri.toString(), column: 0 })
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}
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}
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export function source(preview_uri: Uri)
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{
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const document_uri = decode_preview(preview_uri)
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if (document_uri) {
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const editor = library.find_file_editor(document_uri)
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if (editor) window.showTextDocument(editor.document, editor.viewColumn)
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else workspace.openTextDocument(document_uri).then(window.showTextDocument)
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}
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else commands.executeCommand("workbench.action.navigateBack")
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}
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