mirror of https://git.tuxpa.in/a/code-server.git
718 lines
27 KiB
TypeScript
718 lines
27 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as vscode from 'vscode';
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import * as nls from 'vscode-nls';
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import { Node, HtmlNode, Rule, Property, Stylesheet } from 'EmmetFlatNode';
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import { getEmmetHelper, getFlatNode, getMappingForIncludedLanguages, validate, getEmmetConfiguration, isStyleSheet, getEmmetMode, parsePartialStylesheet, isStyleAttribute, getEmbeddedCssNodeIfAny, allowedMimeTypesInScriptTag, toLSTextDocument, isOffsetInsideOpenOrCloseTag } from './util';
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import { getRootNode as parseDocument } from './parseDocument';
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const localize = nls.loadMessageBundle();
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const trimRegex = /[\u00a0]*[\d#\-\*\u2022]+\.?/;
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const hexColorRegex = /^#[\da-fA-F]{0,6}$/;
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interface ExpandAbbreviationInput {
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syntax: string;
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abbreviation: string;
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rangeToReplace: vscode.Range;
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textToWrap?: string[];
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filter?: string;
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indent?: string;
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baseIndent?: string;
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}
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interface PreviewRangesWithContent {
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previewRange: vscode.Range;
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originalRange: vscode.Range;
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originalContent: string;
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textToWrapInPreview: string[];
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baseIndent: string;
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}
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export async function wrapWithAbbreviation(args: any): Promise<boolean> {
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if (!validate(false)) {
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return false;
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}
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const editor = vscode.window.activeTextEditor!;
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const document = editor.document;
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args = args || {};
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if (!args['language']) {
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args['language'] = document.languageId;
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}
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// we know it's not stylesheet due to the validate(false) call above
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const syntax = getSyntaxFromArgs(args) || 'html';
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const rootNode = parseDocument(document, true);
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const helper = getEmmetHelper();
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const operationRanges = editor.selections.sort((a, b) => a.start.compareTo(b.start)).map(selection => {
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let rangeToReplace: vscode.Range = selection;
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// wrap around the node if the selection falls inside its open or close tag
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{
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let { start, end } = rangeToReplace;
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const startOffset = document.offsetAt(start);
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const startNode = getFlatNode(rootNode, startOffset, true);
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if (startNode && isOffsetInsideOpenOrCloseTag(startNode, startOffset)) {
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start = document.positionAt(startNode.start);
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const nodeEndPosition = document.positionAt(startNode.end);
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end = nodeEndPosition.isAfter(end) ? nodeEndPosition : end;
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}
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const endOffset = document.offsetAt(end);
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const endNode = getFlatNode(rootNode, endOffset, true);
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if (endNode && isOffsetInsideOpenOrCloseTag(endNode, endOffset)) {
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const nodeStartPosition = document.positionAt(endNode.start);
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start = nodeStartPosition.isBefore(start) ? nodeStartPosition : start;
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const nodeEndPosition = document.positionAt(endNode.end);
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end = nodeEndPosition.isAfter(end) ? nodeEndPosition : end;
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}
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rangeToReplace = new vscode.Range(start, end);
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}
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// in case of multi-line, exclude last empty line from rangeToReplace
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if (!rangeToReplace.isSingleLine && rangeToReplace.end.character === 0) {
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const previousLine = rangeToReplace.end.line - 1;
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rangeToReplace = new vscode.Range(rangeToReplace.start, document.lineAt(previousLine).range.end);
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}
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// wrap line the cursor is on
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if (rangeToReplace.isEmpty) {
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rangeToReplace = document.lineAt(rangeToReplace.start).range;
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}
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// ignore whitespace on the first line
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const firstLineOfRange = document.lineAt(rangeToReplace.start);
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if (!firstLineOfRange.isEmptyOrWhitespace && firstLineOfRange.firstNonWhitespaceCharacterIndex > rangeToReplace.start.character) {
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rangeToReplace = rangeToReplace.with(new vscode.Position(rangeToReplace.start.line, firstLineOfRange.firstNonWhitespaceCharacterIndex));
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}
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return rangeToReplace;
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}).reduce((mergedRanges, range) => {
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// Merge overlapping ranges
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if (mergedRanges.length > 0 && range.intersection(mergedRanges[mergedRanges.length - 1])) {
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mergedRanges.push(range.union(mergedRanges.pop()!));
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} else {
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mergedRanges.push(range);
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}
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return mergedRanges;
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}, [] as vscode.Range[]);
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// Backup orginal selections and update selections
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// Also helps with https://github.com/microsoft/vscode/issues/113930 by avoiding `editor.linkedEditing`
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// execution if selection is inside an open or close tag
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const oldSelections = editor.selections;
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editor.selections = operationRanges.map(range => new vscode.Selection(range.start, range.end));
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// Fetch general information for the succesive expansions. i.e. the ranges to replace and its contents
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const rangesToReplace: PreviewRangesWithContent[] = operationRanges.map(rangeToReplace => {
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let textToWrapInPreview: string[];
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const textToReplace = document.getText(rangeToReplace);
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// the following assumes all the lines are indented the same way as the first
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// this assumption helps with applyPreview later
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const wholeFirstLine = document.lineAt(rangeToReplace.start).text;
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const otherMatches = wholeFirstLine.match(/^(\s*)/);
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const baseIndent = otherMatches ? otherMatches[1] : '';
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textToWrapInPreview = rangeToReplace.isSingleLine ?
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[textToReplace] :
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textToReplace.split('\n' + baseIndent).map(x => x.trimEnd());
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// escape $ characters, fixes #52640
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textToWrapInPreview = textToWrapInPreview.map(e => e.replace(/(\$\d)/g, '\\$1'));
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return {
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previewRange: rangeToReplace,
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originalRange: rangeToReplace,
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originalContent: textToReplace,
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textToWrapInPreview,
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baseIndent
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};
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});
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const { tabSize, insertSpaces } = editor.options;
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const indent = insertSpaces ? ' '.repeat(tabSize as number) : '\t';
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function revertPreview(): Thenable<boolean> {
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return editor.edit(builder => {
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for (const rangeToReplace of rangesToReplace) {
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builder.replace(rangeToReplace.previewRange, rangeToReplace.originalContent);
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rangeToReplace.previewRange = rangeToReplace.originalRange;
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}
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}, { undoStopBefore: false, undoStopAfter: false });
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}
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function applyPreview(expandAbbrList: ExpandAbbreviationInput[]): Thenable<boolean> {
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let lastOldPreviewRange = new vscode.Range(0, 0, 0, 0);
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let lastNewPreviewRange = new vscode.Range(0, 0, 0, 0);
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let totalNewLinesInserted = 0;
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return editor.edit(builder => {
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// the edits are applied in order top-down
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for (let i = 0; i < rangesToReplace.length; i++) {
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const expandedText = expandAbbr(expandAbbrList[i]) || '';
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if (!expandedText) {
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// Failed to expand text. We already showed an error inside expandAbbr.
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break;
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}
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// get the current preview range, format the new wrapped text, and then replace
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// the text in the preview range with that new text
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const oldPreviewRange = rangesToReplace[i].previewRange;
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const newText = expandedText
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.replace(/\$\{[\d]*\}/g, '|') // Removing Tabstops
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.replace(/\$\{[\d]*:([^}]*)\}/g, (_, placeholder) => placeholder) // Replacing Placeholders
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.replace(/\\\$/g, '$'); // Remove backslashes before $
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builder.replace(oldPreviewRange, newText);
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// calculate the new preview range to use for future previews
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// we also have to take into account that the previous expansions could:
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// - cause new lines to appear
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// - be on the same line as other expansions
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const expandedTextLines = newText.split('\n');
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const oldPreviewLines = oldPreviewRange.end.line - oldPreviewRange.start.line + 1;
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const newLinesInserted = expandedTextLines.length - oldPreviewLines;
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const newPreviewLineStart = oldPreviewRange.start.line + totalNewLinesInserted;
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let newPreviewStart = oldPreviewRange.start.character;
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const newPreviewLineEnd = oldPreviewRange.end.line + totalNewLinesInserted + newLinesInserted;
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let newPreviewEnd = expandedTextLines[expandedTextLines.length - 1].length;
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if (i > 0 && newPreviewLineEnd === lastNewPreviewRange.end.line) {
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// If newPreviewLineEnd is equal to the previous expandedText lineEnd,
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// set newPreviewStart to the length of the previous expandedText in that line
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// plus the number of characters between both selections.
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newPreviewStart = lastNewPreviewRange.end.character + (oldPreviewRange.start.character - lastOldPreviewRange.end.character);
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newPreviewEnd += newPreviewStart;
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} else if (i > 0 && newPreviewLineStart === lastNewPreviewRange.end.line) {
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// Same as above but expandedTextLines.length > 1 so newPreviewEnd keeps its value.
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newPreviewStart = lastNewPreviewRange.end.character + (oldPreviewRange.start.character - lastOldPreviewRange.end.character);
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} else if (expandedTextLines.length === 1) {
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// If the expandedText is single line, add the length of preceeding text as it will not be included in line length.
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newPreviewEnd += oldPreviewRange.start.character;
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}
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lastOldPreviewRange = rangesToReplace[i].previewRange;
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lastNewPreviewRange = new vscode.Range(newPreviewLineStart, newPreviewStart, newPreviewLineEnd, newPreviewEnd);
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rangesToReplace[i].previewRange = lastNewPreviewRange;
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totalNewLinesInserted += newLinesInserted;
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}
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}, { undoStopBefore: false, undoStopAfter: false });
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}
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let inPreviewMode = false;
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async function makeChanges(inputAbbreviation: string | undefined, previewChanges: boolean): Promise<boolean> {
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const isAbbreviationValid = !!inputAbbreviation && !!inputAbbreviation.trim() && helper.isAbbreviationValid(syntax, inputAbbreviation);
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const extractedResults = isAbbreviationValid ? helper.extractAbbreviationFromText(inputAbbreviation!, syntax) : undefined;
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if (!extractedResults) {
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if (inPreviewMode) {
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inPreviewMode = false;
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await revertPreview();
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}
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return false;
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}
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const { abbreviation, filter } = extractedResults;
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if (abbreviation !== inputAbbreviation) {
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// Not clear what should we do in this case. Warn the user? How?
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}
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if (previewChanges) {
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const expandAbbrList: ExpandAbbreviationInput[] = rangesToReplace.map(rangesAndContent =>
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({ syntax, abbreviation, rangeToReplace: rangesAndContent.originalRange, textToWrap: rangesAndContent.textToWrapInPreview, filter, indent, baseIndent: rangesAndContent.baseIndent })
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);
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inPreviewMode = true;
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return applyPreview(expandAbbrList);
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}
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const expandAbbrList: ExpandAbbreviationInput[] = rangesToReplace.map(rangesAndContent =>
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({ syntax, abbreviation, rangeToReplace: rangesAndContent.originalRange, textToWrap: rangesAndContent.textToWrapInPreview, filter, indent })
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);
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if (inPreviewMode) {
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inPreviewMode = false;
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await revertPreview();
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}
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return expandAbbreviationInRange(editor, expandAbbrList, false);
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}
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let currentValue = '';
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function inputChanged(value: string): string {
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if (value !== currentValue) {
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currentValue = value;
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makeChanges(value, true);
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}
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return '';
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}
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const prompt = localize('wrapWithAbbreviationPrompt', "Enter Abbreviation");
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const inputAbbreviation = (args && args['abbreviation'])
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? (args['abbreviation'] as string)
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: await vscode.window.showInputBox({ prompt, validateInput: inputChanged });
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const changesWereMade = await makeChanges(inputAbbreviation, false);
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if (!changesWereMade) {
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editor.selections = oldSelections;
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}
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return changesWereMade;
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}
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export function expandEmmetAbbreviation(args: any): Thenable<boolean | undefined> {
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if (!validate() || !vscode.window.activeTextEditor) {
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return fallbackTab();
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}
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/**
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* Short circuit the parsing. If previous character is space, do not expand.
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*/
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if (vscode.window.activeTextEditor.selections.length === 1 &&
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vscode.window.activeTextEditor.selection.isEmpty
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) {
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const anchor = vscode.window.activeTextEditor.selection.anchor;
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if (anchor.character === 0) {
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return fallbackTab();
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}
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const prevPositionAnchor = anchor.translate(0, -1);
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const prevText = vscode.window.activeTextEditor.document.getText(new vscode.Range(prevPositionAnchor, anchor));
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if (prevText === ' ' || prevText === '\t') {
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return fallbackTab();
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}
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}
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args = args || {};
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if (!args['language']) {
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args['language'] = vscode.window.activeTextEditor.document.languageId;
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} else {
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const excludedLanguages = vscode.workspace.getConfiguration('emmet')['excludeLanguages'] ? vscode.workspace.getConfiguration('emmet')['excludeLanguages'] : [];
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if (excludedLanguages.indexOf(vscode.window.activeTextEditor.document.languageId) > -1) {
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return fallbackTab();
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}
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}
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const syntax = getSyntaxFromArgs(args);
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if (!syntax) {
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return fallbackTab();
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}
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const editor = vscode.window.activeTextEditor;
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// When tabbed on a non empty selection, do not treat it as an emmet abbreviation, and fallback to tab instead
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if (vscode.workspace.getConfiguration('emmet')['triggerExpansionOnTab'] === true && editor.selections.find(x => !x.isEmpty)) {
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return fallbackTab();
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}
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const abbreviationList: ExpandAbbreviationInput[] = [];
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let firstAbbreviation: string;
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let allAbbreviationsSame: boolean = true;
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const helper = getEmmetHelper();
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const getAbbreviation = (document: vscode.TextDocument, selection: vscode.Selection, position: vscode.Position, syntax: string): [vscode.Range | null, string, string | undefined] => {
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position = document.validatePosition(position);
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let rangeToReplace: vscode.Range = selection;
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let abbr = document.getText(rangeToReplace);
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if (!rangeToReplace.isEmpty) {
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const extractedResults = helper.extractAbbreviationFromText(abbr, syntax);
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if (extractedResults) {
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return [rangeToReplace, extractedResults.abbreviation, extractedResults.filter];
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}
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return [null, '', ''];
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}
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const currentLine = editor.document.lineAt(position.line).text;
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const textTillPosition = currentLine.substr(0, position.character);
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// Expand cases like <div to <div></div> explicitly
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// else we will end up with <<div></div>
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if (syntax === 'html') {
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const matches = textTillPosition.match(/<(\w+)$/);
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if (matches) {
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abbr = matches[1];
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rangeToReplace = new vscode.Range(position.translate(0, -(abbr.length + 1)), position);
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return [rangeToReplace, abbr, ''];
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}
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}
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const extractedResults = helper.extractAbbreviation(toLSTextDocument(editor.document), position, { lookAhead: false });
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if (!extractedResults) {
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return [null, '', ''];
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}
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const { abbreviationRange, abbreviation, filter } = extractedResults;
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return [new vscode.Range(abbreviationRange.start.line, abbreviationRange.start.character, abbreviationRange.end.line, abbreviationRange.end.character), abbreviation, filter];
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};
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const selectionsInReverseOrder = editor.selections.slice(0);
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selectionsInReverseOrder.sort((a, b) => {
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const posA = a.isReversed ? a.anchor : a.active;
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const posB = b.isReversed ? b.anchor : b.active;
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return posA.compareTo(posB) * -1;
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});
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let rootNode: Node | undefined;
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function getRootNode() {
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if (rootNode) {
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return rootNode;
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}
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const usePartialParsing = vscode.workspace.getConfiguration('emmet')['optimizeStylesheetParsing'] === true;
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if (editor.selections.length === 1 && isStyleSheet(editor.document.languageId) && usePartialParsing && editor.document.lineCount > 1000) {
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rootNode = parsePartialStylesheet(editor.document, editor.selection.isReversed ? editor.selection.anchor : editor.selection.active);
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} else {
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rootNode = parseDocument(editor.document, true);
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}
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return rootNode;
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}
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selectionsInReverseOrder.forEach(selection => {
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const position = selection.isReversed ? selection.anchor : selection.active;
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const [rangeToReplace, abbreviation, filter] = getAbbreviation(editor.document, selection, position, syntax);
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if (!rangeToReplace) {
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return;
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}
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if (!helper.isAbbreviationValid(syntax, abbreviation)) {
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return;
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}
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if (isStyleSheet(syntax) && abbreviation.endsWith(':')) {
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// Fix for https://github.com/Microsoft/vscode/issues/1623
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return;
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}
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const offset = editor.document.offsetAt(position);
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let currentNode = getFlatNode(getRootNode(), offset, true);
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let validateLocation = true;
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let syntaxToUse = syntax;
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if (editor.document.languageId === 'html') {
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if (isStyleAttribute(currentNode, offset)) {
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syntaxToUse = 'css';
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validateLocation = false;
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} else {
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const embeddedCssNode = getEmbeddedCssNodeIfAny(editor.document, currentNode, position);
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if (embeddedCssNode) {
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currentNode = getFlatNode(embeddedCssNode, offset, true);
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syntaxToUse = 'css';
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}
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}
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}
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if (validateLocation && !isValidLocationForEmmetAbbreviation(editor.document, getRootNode(), currentNode, syntaxToUse, offset, rangeToReplace)) {
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return;
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}
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if (!firstAbbreviation) {
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firstAbbreviation = abbreviation;
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} else if (allAbbreviationsSame && firstAbbreviation !== abbreviation) {
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allAbbreviationsSame = false;
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}
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abbreviationList.push({ syntax: syntaxToUse, abbreviation, rangeToReplace, filter });
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});
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return expandAbbreviationInRange(editor, abbreviationList, allAbbreviationsSame).then(success => {
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return success ? Promise.resolve(undefined) : fallbackTab();
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});
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}
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function fallbackTab(): Thenable<boolean | undefined> {
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if (vscode.workspace.getConfiguration('emmet')['triggerExpansionOnTab'] === true) {
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return vscode.commands.executeCommand('tab');
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}
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return Promise.resolve(true);
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}
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/**
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* Checks if given position is a valid location to expand emmet abbreviation.
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* Works only on html and css/less/scss syntax
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* @param document current Text Document
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* @param rootNode parsed document
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* @param currentNode current node in the parsed document
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* @param syntax syntax of the abbreviation
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* @param position position to validate
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* @param abbreviationRange The range of the abbreviation for which given position is being validated
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*/
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export function isValidLocationForEmmetAbbreviation(document: vscode.TextDocument, rootNode: Node | undefined, currentNode: Node | undefined, syntax: string, offset: number, abbreviationRange: vscode.Range): boolean {
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if (isStyleSheet(syntax)) {
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const stylesheet = <Stylesheet>rootNode;
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if (stylesheet && (stylesheet.comments || []).some(x => offset >= x.start && offset <= x.end)) {
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return false;
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}
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// Continue validation only if the file was parse-able and the currentNode has been found
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if (!currentNode) {
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return true;
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}
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// Get the abbreviation right now
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// Fixes https://github.com/microsoft/vscode/issues/74505
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// Stylesheet abbreviations starting with @ should bring up suggestions
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// even at outer-most level
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const abbreviation = document.getText(new vscode.Range(abbreviationRange.start.line, abbreviationRange.start.character, abbreviationRange.end.line, abbreviationRange.end.character));
|
|
if (abbreviation.startsWith('@')) {
|
|
return true;
|
|
}
|
|
|
|
// Fix for https://github.com/microsoft/vscode/issues/34162
|
|
// Other than sass, stylus, we can make use of the terminator tokens to validate position
|
|
if (syntax !== 'sass' && syntax !== 'stylus' && currentNode.type === 'property') {
|
|
// Fix for upstream issue https://github.com/emmetio/css-parser/issues/3
|
|
if (currentNode.parent
|
|
&& currentNode.parent.type !== 'rule'
|
|
&& currentNode.parent.type !== 'at-rule') {
|
|
return false;
|
|
}
|
|
|
|
const propertyNode = <Property>currentNode;
|
|
if (propertyNode.terminatorToken
|
|
&& propertyNode.separator
|
|
&& offset >= propertyNode.separatorToken.end
|
|
&& offset <= propertyNode.terminatorToken.start
|
|
&& abbreviation.indexOf(':') === -1) {
|
|
return hexColorRegex.test(abbreviation) || abbreviation === '!';
|
|
}
|
|
if (!propertyNode.terminatorToken
|
|
&& propertyNode.separator
|
|
&& offset >= propertyNode.separatorToken.end
|
|
&& abbreviation.indexOf(':') === -1) {
|
|
return hexColorRegex.test(abbreviation) || abbreviation === '!';
|
|
}
|
|
if (hexColorRegex.test(abbreviation) || abbreviation === '!') {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// If current node is a rule or at-rule, then perform additional checks to ensure
|
|
// emmet suggestions are not provided in the rule selector
|
|
if (currentNode.type !== 'rule' && currentNode.type !== 'at-rule') {
|
|
return true;
|
|
}
|
|
|
|
const currentCssNode = <Rule>currentNode;
|
|
|
|
// Position is valid if it occurs after the `{` that marks beginning of rule contents
|
|
if (offset > currentCssNode.contentStartToken.end) {
|
|
return true;
|
|
}
|
|
|
|
// Workaround for https://github.com/microsoft/vscode/30188
|
|
// The line above the rule selector is considered as part of the selector by the css-parser
|
|
// But we should assume it is a valid location for css properties under the parent rule
|
|
if (currentCssNode.parent
|
|
&& (currentCssNode.parent.type === 'rule' || currentCssNode.parent.type === 'at-rule')
|
|
&& currentCssNode.selectorToken) {
|
|
const position = document.positionAt(offset);
|
|
const tokenStartPos = document.positionAt(currentCssNode.selectorToken.start);
|
|
const tokenEndPos = document.positionAt(currentCssNode.selectorToken.end);
|
|
if (position.line !== tokenEndPos.line
|
|
&& tokenStartPos.character === abbreviationRange.start.character
|
|
&& tokenStartPos.line === abbreviationRange.start.line
|
|
) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const startAngle = '<';
|
|
const endAngle = '>';
|
|
const escape = '\\';
|
|
const question = '?';
|
|
const currentHtmlNode = <HtmlNode>currentNode;
|
|
let start = 0;
|
|
|
|
if (currentHtmlNode) {
|
|
if (currentHtmlNode.name === 'script') {
|
|
const typeAttribute = (currentHtmlNode.attributes || []).filter(x => x.name.toString() === 'type')[0];
|
|
const typeValue = typeAttribute ? typeAttribute.value.toString() : '';
|
|
|
|
if (allowedMimeTypesInScriptTag.indexOf(typeValue) > -1) {
|
|
return true;
|
|
}
|
|
|
|
const isScriptJavascriptType = !typeValue || typeValue === 'application/javascript' || typeValue === 'text/javascript';
|
|
if (isScriptJavascriptType) {
|
|
return !!getSyntaxFromArgs({ language: 'javascript' });
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Fix for https://github.com/microsoft/vscode/issues/28829
|
|
if (!currentHtmlNode.open || !currentHtmlNode.close ||
|
|
!(currentHtmlNode.open.end <= offset && offset <= currentHtmlNode.close.start)) {
|
|
return false;
|
|
}
|
|
|
|
// Fix for https://github.com/microsoft/vscode/issues/35128
|
|
// Find the position up till where we will backtrack looking for unescaped < or >
|
|
// to decide if current position is valid for emmet expansion
|
|
start = currentHtmlNode.open.end;
|
|
let lastChildBeforePosition = currentHtmlNode.firstChild;
|
|
while (lastChildBeforePosition) {
|
|
if (lastChildBeforePosition.end > offset) {
|
|
break;
|
|
}
|
|
start = lastChildBeforePosition.end;
|
|
lastChildBeforePosition = lastChildBeforePosition.nextSibling;
|
|
}
|
|
}
|
|
const startPos = document.positionAt(start);
|
|
let textToBackTrack = document.getText(new vscode.Range(startPos.line, startPos.character, abbreviationRange.start.line, abbreviationRange.start.character));
|
|
|
|
// Worse case scenario is when cursor is inside a big chunk of text which needs to backtracked
|
|
// Backtrack only 500 offsets to ensure we dont waste time doing this
|
|
if (textToBackTrack.length > 500) {
|
|
textToBackTrack = textToBackTrack.substr(textToBackTrack.length - 500);
|
|
}
|
|
|
|
if (!textToBackTrack.trim()) {
|
|
return true;
|
|
}
|
|
|
|
let valid = true;
|
|
let foundSpace = false; // If < is found before finding whitespace, then its valid abbreviation. E.g.: <div|
|
|
let i = textToBackTrack.length - 1;
|
|
if (textToBackTrack[i] === startAngle) {
|
|
return false;
|
|
}
|
|
|
|
while (i >= 0) {
|
|
const char = textToBackTrack[i];
|
|
i--;
|
|
if (!foundSpace && /\s/.test(char)) {
|
|
foundSpace = true;
|
|
continue;
|
|
}
|
|
if (char === question && textToBackTrack[i] === startAngle) {
|
|
i--;
|
|
continue;
|
|
}
|
|
// Fix for https://github.com/microsoft/vscode/issues/55411
|
|
// A space is not a valid character right after < in a tag name.
|
|
if (/\s/.test(char) && textToBackTrack[i] === startAngle) {
|
|
i--;
|
|
continue;
|
|
}
|
|
if (char !== startAngle && char !== endAngle) {
|
|
continue;
|
|
}
|
|
if (i >= 0 && textToBackTrack[i] === escape) {
|
|
i--;
|
|
continue;
|
|
}
|
|
if (char === endAngle) {
|
|
if (i >= 0 && textToBackTrack[i] === '=') {
|
|
continue; // False alarm of cases like =>
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
if (char === startAngle) {
|
|
valid = !foundSpace;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return valid;
|
|
}
|
|
|
|
/**
|
|
* Expands abbreviations as detailed in expandAbbrList in the editor
|
|
*
|
|
* @returns false if no snippet can be inserted.
|
|
*/
|
|
function expandAbbreviationInRange(editor: vscode.TextEditor, expandAbbrList: ExpandAbbreviationInput[], insertSameSnippet: boolean): Thenable<boolean> {
|
|
if (!expandAbbrList || expandAbbrList.length === 0) {
|
|
return Promise.resolve(false);
|
|
}
|
|
|
|
// Snippet to replace at multiple cursors are not the same
|
|
// `editor.insertSnippet` will have to be called for each instance separately
|
|
// We will not be able to maintain multiple cursors after snippet insertion
|
|
const insertPromises: Thenable<boolean>[] = [];
|
|
if (!insertSameSnippet) {
|
|
expandAbbrList.sort((a: ExpandAbbreviationInput, b: ExpandAbbreviationInput) => { return b.rangeToReplace.start.compareTo(a.rangeToReplace.start); }).forEach((expandAbbrInput: ExpandAbbreviationInput) => {
|
|
const expandedText = expandAbbr(expandAbbrInput);
|
|
if (expandedText) {
|
|
insertPromises.push(editor.insertSnippet(new vscode.SnippetString(expandedText), expandAbbrInput.rangeToReplace, { undoStopBefore: false, undoStopAfter: false }));
|
|
}
|
|
});
|
|
if (insertPromises.length === 0) {
|
|
return Promise.resolve(false);
|
|
}
|
|
return Promise.all(insertPromises).then(() => Promise.resolve(true));
|
|
}
|
|
|
|
// Snippet to replace at all cursors are the same
|
|
// We can pass all ranges to `editor.insertSnippet` in a single call so that
|
|
// all cursors are maintained after snippet insertion
|
|
const anyExpandAbbrInput = expandAbbrList[0];
|
|
const expandedText = expandAbbr(anyExpandAbbrInput);
|
|
const allRanges = expandAbbrList.map(value => value.rangeToReplace);
|
|
if (expandedText) {
|
|
return editor.insertSnippet(new vscode.SnippetString(expandedText), allRanges);
|
|
}
|
|
return Promise.resolve(false);
|
|
}
|
|
|
|
/**
|
|
* Expands abbreviation as detailed in given input.
|
|
*/
|
|
function expandAbbr(input: ExpandAbbreviationInput): string | undefined {
|
|
const helper = getEmmetHelper();
|
|
const expandOptions = helper.getExpandOptions(input.syntax, getEmmetConfiguration(input.syntax), input.filter);
|
|
|
|
if (input.textToWrap) {
|
|
if (input.filter && input.filter.includes('t')) {
|
|
input.textToWrap = input.textToWrap.map(line => {
|
|
return line.replace(trimRegex, '').trim();
|
|
});
|
|
}
|
|
expandOptions['text'] = input.textToWrap;
|
|
|
|
if (expandOptions.options) {
|
|
// Below fixes https://github.com/microsoft/vscode/issues/29898
|
|
// With this, Emmet formats inline elements as block elements
|
|
// ensuring the wrapped multi line text does not get merged to a single line
|
|
if (!input.rangeToReplace.isSingleLine) {
|
|
expandOptions.options['output.inlineBreak'] = 1;
|
|
}
|
|
|
|
if (input.indent) {
|
|
expandOptions.options['output.indent'] = input.indent;
|
|
}
|
|
if (input.baseIndent) {
|
|
expandOptions.options['output.baseIndent'] = input.baseIndent;
|
|
}
|
|
}
|
|
}
|
|
|
|
let expandedText: string | undefined;
|
|
try {
|
|
expandedText = helper.expandAbbreviation(input.abbreviation, expandOptions);
|
|
} catch (e) {
|
|
vscode.window.showErrorMessage('Failed to expand abbreviation');
|
|
}
|
|
|
|
return expandedText;
|
|
}
|
|
|
|
export function getSyntaxFromArgs(args: { [x: string]: string }): string | undefined {
|
|
const mappedModes = getMappingForIncludedLanguages();
|
|
const language: string = args['language'];
|
|
const parentMode: string = args['parentMode'];
|
|
const excludedLanguages = vscode.workspace.getConfiguration('emmet')['excludeLanguages'] ? vscode.workspace.getConfiguration('emmet')['excludeLanguages'] : [];
|
|
if (excludedLanguages.indexOf(language) > -1) {
|
|
return;
|
|
}
|
|
|
|
let syntax = getEmmetMode((mappedModes[language] ? mappedModes[language] : language), excludedLanguages);
|
|
if (!syntax) {
|
|
syntax = getEmmetMode((mappedModes[parentMode] ? mappedModes[parentMode] : parentMode), excludedLanguages);
|
|
}
|
|
|
|
return syntax;
|
|
}
|