TypeScript LineTokens.convertToEndOffset方法代碼示例

function _actualColorize(lines: string[], tabSize: number, tokenizationSupport: ITokenizationSupport): string {
	let html: string[] = [];
	let state = tokenizationSupport.getInitialState();

	for (let i = 0, length = lines.length; i < length; i++) {
		let line = lines[i];
		let tokenizeResult = tokenizationSupport.tokenize2(line, state, 0);
		LineTokens.convertToEndOffset(tokenizeResult.tokens, line.length);
		let lineTokens = new LineTokens(tokenizeResult.tokens, line);
		const isBasicASCII = ViewLineRenderingData.isBasicASCII(line, /* check for basic ASCII */true);
		const containsRTL = ViewLineRenderingData.containsRTL(line, isBasicASCII, /* check for RTL */true);
		let renderResult = renderViewLine(new RenderLineInput(
			false,
			line,
			isBasicASCII,
			containsRTL,
			0,
			lineTokens.inflate(),
			[],
			tabSize,
			0,
			-1,
			'none',
			false,
			false
		));

		html = html.concat(renderResult.html);
		html.push('<br/>');

		state = tokenizeResult.endState;
	}

	return html.join('');
}

function _tokenizeToString(text: string, tokenizationSupport: ITokenizationSupport): string {
	let result = `<div class="monaco-tokenized-source">`;
	let lines = text.split(/\r\n|\r|\n/);
	let currentState = tokenizationSupport.getInitialState();
	for (let i = 0, len = lines.length; i < len; i++) {
		let line = lines[i];

		if (i > 0) {
			result += `<br/>`;
		}

		let tokenizationResult = tokenizationSupport.tokenize2(line, currentState, 0);
		LineTokens.convertToEndOffset(tokenizationResult.tokens, line.length);
		let lineTokens = new LineTokens(tokenizationResult.tokens, line);
		let viewLineTokens = lineTokens.inflate();

		let startOffset = 0;
		for (let j = 0, lenJ = viewLineTokens.getCount(); j < lenJ; j++) {
			const type = viewLineTokens.getClassName(j);
			const endIndex = viewLineTokens.getEndOffset(j);
			result += `<span class="${type}">${strings.escape(line.substring(startOffset, endIndex))}</span>`;
			startOffset = endIndex;
		}

		currentState = tokenizationResult.endState;
	}

	result += `</div>`;
	return result;
}

	_setTokens(topLevelLanguageId: LanguageId, lineIndex: number, lineTextLength: number, tokens: Uint32Array): void {
		let target: ModelLineTokens;
		if (lineIndex < this._tokens.length && this._tokens[lineIndex]) {
			target = this._tokens[lineIndex];
		} else {
			target = new ModelLineTokens(null);
			this._tokens[lineIndex] = target;
		}

		if (lineTextLength === 0) {
			let hasDifferentLanguageId = false;
			if (tokens && tokens.length > 1) {
				hasDifferentLanguageId = (TokenMetadata.getLanguageId(tokens[1]) !== topLevelLanguageId);
			}

			if (!hasDifferentLanguageId) {
				target._lineTokens = EMPTY_LINE_TOKENS;
				return;
			}
		}

		if (!tokens || tokens.length === 0) {
			tokens = new Uint32Array(2);
			tokens[0] = 0;
			tokens[1] = getDefaultMetadata(topLevelLanguageId);
		}

		LineTokens.convertToEndOffset(tokens, lineTextLength);

		target._lineTokens = tokens.buffer;
	}

export function createFakeScopedLineTokens(rawTokens: TokenText[]): ScopedLineTokens {
	let tokens = new Uint32Array(rawTokens.length << 1);
	let line = '';

	for (let i = 0, len = rawTokens.length; i < len; i++) {
		let rawToken = rawTokens[i];

		let startOffset = line.length;
		let metadata = (
			(rawToken.type << MetadataConsts.TOKEN_TYPE_OFFSET)
		) >>> 0;

		tokens[(i << 1)] = startOffset;
		tokens[(i << 1) + 1] = metadata;
		line += rawToken.text;
	}

	LineTokens.convertToEndOffset(tokens, line.length);
	return createScopedLineTokens(new LineTokens(tokens, line), 0);
}

function assertLineTokens(__actual: LineTokens, _expected: TestToken[]): void {
	let tmp = TestToken.toTokens(_expected);
	LineTokens.convertToEndOffset(tmp, __actual.getLineContent().length);
	let expected = ViewLineTokenFactory.inflateArr(tmp);
	let _actual = __actual.inflate();
	interface ITestToken {
		endIndex: number;
		type: string;
	}
	let actual: ITestToken[] = [];
	for (let i = 0, len = _actual.getCount(); i < len; i++) {
		actual[i] = {
			endIndex: _actual.getEndOffset(i),
			type: _actual.getClassName(i)
		};
	}
	let decode = (token: ViewLineToken) => {
		return {
			endIndex: token.endIndex,
			type: token.getType()
		};
	};
	assert.deepEqual(actual, expected.map(decode));
}