TypeScript json.createScanner函數代碼示例

本文整理匯總了TypeScript中vs/base/common/json.createScanner函數的典型用法代碼示例。如果您正苦於以下問題：TypeScript createScanner函數的具體用法？TypeScript createScanner怎麽用？TypeScript createScanner使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了createScanner函數的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。

示例1: assertKinds

function assertKinds(text: string, ...kinds: SyntaxKind[]): void {
	var scanner = createScanner(text);
	var kind: SyntaxKind;
	while ((kind = scanner.scan()) !== SyntaxKind.EOF) {
		assert.equal(kind, kinds.shift());
	}
	assert.equal(kinds.length, 0);
}

開發者ID:m-khosravi，項目名稱:vscode，代碼行數:8，代碼來源:json.test.ts

示例2: assertScanError

function assertScanError(text: string, expectedKind: SyntaxKind, scanError: ScanError): void {
	var scanner = createScanner(text);
	scanner.scan();
	assert.equal(scanner.getToken(), expectedKind);
	assert.equal(scanner.getTokenError(), scanError);
}

開發者ID:m-khosravi，項目名稱:vscode，代碼行數:6，代碼來源:json.test.ts

示例3: insertSnippet

	public static insertSnippet(model: ITextModel, _position: Position): InsertSnippetResult {

		let desiredPosition = model.getValueLengthInRange(new Range(1, 1, _position.lineNumber, _position.column));

		// <INVALID> [ <BEFORE_OBJECT> { <INVALID> } <AFTER_OBJECT>, <BEFORE_OBJECT> { <INVALID> } <AFTER_OBJECT> ] <INVALID>
		enum State {
			INVALID = 0,
			AFTER_OBJECT = 1,
			BEFORE_OBJECT = 2,
		}
		let currentState = State.INVALID;
		let lastValidPos = -1;
		let lastValidState = State.INVALID;

		let scanner = createJSONScanner(model.getValue());
		let arrayLevel = 0;
		let objLevel = 0;

		let checkRangeStatus = (pos: number, state: State) => {
			if (state !== State.INVALID && arrayLevel === 1 && objLevel === 0) {
				currentState = state;
				lastValidPos = pos;
				lastValidState = state;
			} else {
				if (currentState !== State.INVALID) {
					currentState = State.INVALID;
					lastValidPos = scanner.getTokenOffset();
				}
			}
		};

		while (scanner.scan() !== JSONSyntaxKind.EOF) {
			let currentPos = scanner.getPosition();
			let kind = scanner.getToken();

			let goodKind = false;
			switch (kind) {
				case JSONSyntaxKind.OpenBracketToken:
					goodKind = true;
					arrayLevel++;
					checkRangeStatus(currentPos, State.BEFORE_OBJECT);
					break;
				case JSONSyntaxKind.CloseBracketToken:
					goodKind = true;
					arrayLevel--;
					checkRangeStatus(currentPos, State.INVALID);
					break;
				case JSONSyntaxKind.CommaToken:
					goodKind = true;
					checkRangeStatus(currentPos, State.BEFORE_OBJECT);
					break;
				case JSONSyntaxKind.OpenBraceToken:
					goodKind = true;
					objLevel++;
					checkRangeStatus(currentPos, State.INVALID);
					break;
				case JSONSyntaxKind.CloseBraceToken:
					goodKind = true;
					objLevel--;
					checkRangeStatus(currentPos, State.AFTER_OBJECT);
					break;
				case JSONSyntaxKind.Trivia:
				case JSONSyntaxKind.LineBreakTrivia:
					goodKind = true;
			}

			if (currentPos >= desiredPosition && (currentState !== State.INVALID || lastValidPos !== -1)) {
				let acceptPosition: number;
				let acceptState: State;

				if (currentState !== State.INVALID) {
					acceptPosition = (goodKind ? currentPos : scanner.getTokenOffset());
					acceptState = currentState;
				} else {
					acceptPosition = lastValidPos;
					acceptState = lastValidState;
				}

				if (acceptState as State === State.AFTER_OBJECT) {
					return {
						position: this.offsetToPosition(model, acceptPosition),
						prepend: ',',
						append: ''
					};
				} else {
					scanner.setPosition(acceptPosition);
					return {
						position: this.offsetToPosition(model, acceptPosition),
						prepend: '',
						append: this.hasOpenBrace(scanner) ? ',' : ''
					};
				}
			}
		}

		// no valid position found!
		let modelLineCount = model.getLineCount();
		return {
			position: new Position(modelLineCount, model.getLineMaxColumn(modelLineCount)),
			prepend: '\n[',
//.........這裏部分代碼省略.........

開發者ID:AllureFer，項目名稱:vscode，代碼行數:101，代碼來源:smartSnippetInserter.ts

注：本文中的vs/base/common/json.createScanner函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。