vscode-basex/src/completion/xquery-completion-item-provider.ts
2022-02-20 18:57:48 +00:00

51 lines
1.9 KiB
TypeScript

import { CompletionItem, CompletionItemKind, CompletionItemProvider, Position, TextDocument } from "vscode";
const XQLint = require("@quodatum/xqlint").XQLint;
export class XQueryCompletionItemProvider implements CompletionItemProvider {
provideCompletionItems(document: TextDocument, position: Position): CompletionItem[] {
const completionItems = new Array<CompletionItem>();
const linter = new XQLint(document.getText());
linter.getCompletions({ line: position.line, col: position.character }).forEach((x: any) => {
completionItems.push(this._getCompletionItem(x));
});
return completionItems;
}
private _getCompletionItem(xqLintCompletionItem: any): CompletionItem {
const completionItem = new CompletionItem(xqLintCompletionItem.name);
completionItem.insertText = xqLintCompletionItem.value;
switch (xqLintCompletionItem.meta) {
// functions (always qualified with a colon)
case "function":
completionItem.kind = CompletionItemKind.Function;
const funcStart = (xqLintCompletionItem.value.indexOf(":") + 1);
const funcEnd = xqLintCompletionItem.value.indexOf("(");
completionItem.insertText = xqLintCompletionItem.value.substring(funcStart, funcEnd);
break;
// variables and parameters (always qualified with a dollar sign)
case "Let binding":
case "Local variable":
case "Window variable":
case "Function parameter":
completionItem.kind = CompletionItemKind.Variable;
completionItem.insertText = xqLintCompletionItem.value.substring(1);
break;
// everything else
default:
completionItem.kind = CompletionItemKind.Text;
break;
}
return completionItem;
}
}