713 lines
28 KiB
TypeScript
713 lines
28 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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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 { Node, HtmlNode, Rule, Property, Stylesheet } from 'EmmetNode';
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import { getEmmetHelper, getNode, getInnerRange, getMappingForIncludedLanguages, parseDocument, validate, getEmmetConfiguration, isStyleSheet, getEmmetMode, parsePartialStylesheet, isStyleAttribute, getEmbeddedCssNodeIfAny, allowedMimeTypesInScriptTag, toLSTextDocument } from './util';
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const trimRegex = /[\u00a0]*[\d#\-\*\u2022]+\.?/;
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const hexColorRegex = /^#[\da-fA-F]{0,6}$/;
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const inlineElements = ['a', 'abbr', 'acronym', 'applet', 'b', 'basefont', 'bdo',
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'big', 'br', 'button', 'cite', 'code', 'del', 'dfn', 'em', 'font', 'i',
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'iframe', 'img', 'input', 'ins', 'kbd', 'label', 'map', 'object', 'q',
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's', 'samp', 'select', 'small', 'span', 'strike', 'strong', 'sub', 'sup',
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'textarea', 'tt', 'u', 'var'];
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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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}
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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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}
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export function wrapWithAbbreviation(args: any) {
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return doWrapping(false, args);
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}
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export function wrapIndividualLinesWithAbbreviation(args: any) {
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return doWrapping(true, args);
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}
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function doWrapping(individualLines: boolean, args: any) {
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if (!validate(false) || !vscode.window.activeTextEditor) {
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return;
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}
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const editor = vscode.window.activeTextEditor;
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if (individualLines) {
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if (editor.selections.length === 1 && editor.selection.isEmpty) {
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vscode.window.showInformationMessage('Select more than 1 line and try again.');
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return;
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}
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if (editor.selections.find(x => x.isEmpty)) {
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vscode.window.showInformationMessage('Select more than 1 line in each selection and try again.');
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return;
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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'] = editor.document.languageId;
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}
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const syntax = getSyntaxFromArgs(args) || 'html';
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const rootNode = parseDocument(editor.document, false);
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let inPreview = false;
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let currentValue = '';
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const helper = getEmmetHelper();
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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[] = editor.selections.sort((a: vscode.Selection, b: vscode.Selection) => { return a.start.compareTo(b.start); }).map(selection => {
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let rangeToReplace: vscode.Range = selection.isReversed ? new vscode.Range(selection.active, selection.anchor) : selection;
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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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const lastChar = editor.document.lineAt(previousLine).text.length;
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rangeToReplace = new vscode.Range(rangeToReplace.start, new vscode.Position(previousLine, lastChar));
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} else if (rangeToReplace.isEmpty) {
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const { active } = selection;
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const currentNode = getNode(rootNode, active, true);
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if (currentNode && (currentNode.start.line === active.line || currentNode.end.line === active.line)) {
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rangeToReplace = new vscode.Range(currentNode.start, currentNode.end);
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} else {
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rangeToReplace = new vscode.Range(rangeToReplace.start.line, 0, rangeToReplace.start.line, editor.document.lineAt(rangeToReplace.start.line).text.length);
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}
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}
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const firstLineOfSelection = editor.document.lineAt(rangeToReplace.start).text.substr(rangeToReplace.start.character);
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const matches = firstLineOfSelection.match(/^(\s*)/);
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const extraWhitespaceSelected = matches ? matches[1].length : 0;
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rangeToReplace = new vscode.Range(rangeToReplace.start.line, rangeToReplace.start.character + extraWhitespaceSelected, rangeToReplace.end.line, rangeToReplace.end.character);
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let textToWrapInPreview: string[];
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const textToReplace = editor.document.getText(rangeToReplace);
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if (individualLines) {
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textToWrapInPreview = textToReplace.split('\n').map(x => x.trim());
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} else {
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const wholeFirstLine = editor.document.lineAt(rangeToReplace.start).text;
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const otherMatches = wholeFirstLine.match(/^(\s*)/);
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const precedingWhitespace = otherMatches ? otherMatches[1] : '';
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textToWrapInPreview = rangeToReplace.isSingleLine ? [textToReplace] : ['\n\t' + textToReplace.split('\n' + precedingWhitespace).join('\n\t') + '\n'];
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}
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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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};
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});
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function revertPreview(): Thenable<any> {
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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 totalLinesInserted = 0;
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return editor.edit(builder => {
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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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const oldPreviewRange = rangesToReplace[i].previewRange;
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const preceedingText = editor.document.getText(new vscode.Range(oldPreviewRange.start.line, 0, oldPreviewRange.start.line, oldPreviewRange.start.character));
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const indentPrefix = (preceedingText.match(/^(\s*)/) || ['', ''])[1];
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let newText = expandedText.replace(/\n/g, '\n' + indentPrefix); // Adding indentation on each line of expanded text
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newText = newText.replace(/\$\{[\d]*\}/g, '|'); // Removing Tabstops
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newText = newText.replace(/\$\{[\d]*(:[^}]*)?\}/g, (match) => { // Replacing Placeholders
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return match.replace(/^\$\{[\d]*:/, '').replace('}', '');
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});
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builder.replace(oldPreviewRange, newText);
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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 + totalLinesInserted;
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let newPreviewStart = oldPreviewRange.start.character;
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const newPreviewLineEnd = oldPreviewRange.end.line + totalLinesInserted + 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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}
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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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}
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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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rangesToReplace[i].previewRange = lastNewPreviewRange = new vscode.Range(newPreviewLineStart, newPreviewStart, newPreviewLineEnd, newPreviewEnd);
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totalLinesInserted += newLinesInserted;
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}
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}, { undoStopBefore: false, undoStopAfter: false });
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}
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function makeChanges(inputAbbreviation: string | undefined, definitive: boolean): Thenable<boolean> {
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if (!inputAbbreviation || !inputAbbreviation.trim() || !helper.isAbbreviationValid(syntax, inputAbbreviation)) {
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return inPreview ? revertPreview().then(() => { return false; }) : Promise.resolve(inPreview);
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}
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const extractedResults = helper.extractAbbreviationFromText(inputAbbreviation);
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if (!extractedResults) {
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return Promise.resolve(inPreview);
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} else if (extractedResults.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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const { abbreviation, filter } = extractedResults;
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if (definitive) {
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const revertPromise = inPreview ? revertPreview() : Promise.resolve();
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return revertPromise.then(() => {
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const expandAbbrList: ExpandAbbreviationInput[] = rangesToReplace.map(rangesAndContent => {
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const rangeToReplace = rangesAndContent.originalRange;
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let textToWrap: string[];
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if (individualLines) {
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textToWrap = rangesAndContent.textToWrapInPreview;
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} else {
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textToWrap = rangeToReplace.isSingleLine ? ['$TM_SELECTED_TEXT'] : ['\n\t$TM_SELECTED_TEXT\n'];
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}
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return { syntax: syntax || '', abbreviation, rangeToReplace, textToWrap, filter };
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});
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return expandAbbreviationInRange(editor, expandAbbrList, !individualLines).then(() => { return true; });
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});
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}
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const expandAbbrList: ExpandAbbreviationInput[] = rangesToReplace.map(rangesAndContent => {
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return { syntax: syntax || '', abbreviation, rangeToReplace: rangesAndContent.originalRange, textToWrap: rangesAndContent.textToWrapInPreview, filter };
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});
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return applyPreview(expandAbbrList);
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}
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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, false).then((out) => {
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if (typeof out === 'boolean') {
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inPreview = out;
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}
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});
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}
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return '';
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}
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const abbreviationPromise: Thenable<string | undefined> = (args && args['abbreviation']) ? Promise.resolve(args['abbreviation']) : vscode.window.showInputBox({ prompt: 'Enter Abbreviation', validateInput: inputChanged });
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return abbreviationPromise.then(inputAbbreviation => {
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return makeChanges(inputAbbreviation, true);
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});
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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] => {
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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);
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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;
|
||
|
|
if (editor.selections.length === 1 && isStyleSheet(editor.document.languageId) && usePartialParsing && editor.document.lineCount > 1000) {
|
||
|
|
rootNode = parsePartialStylesheet(editor.document, editor.selection.isReversed ? editor.selection.anchor : editor.selection.active);
|
||
|
|
} else {
|
||
|
|
rootNode = parseDocument(editor.document, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
return rootNode;
|
||
|
|
}
|
||
|
|
|
||
|
|
selectionsInReverseOrder.forEach(selection => {
|
||
|
|
const position = selection.isReversed ? selection.anchor : selection.active;
|
||
|
|
const [rangeToReplace, abbreviation, filter] = getAbbreviation(editor.document, selection, position, syntax);
|
||
|
|
if (!rangeToReplace) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
if (!helper.isAbbreviationValid(syntax, abbreviation)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
let currentNode = getNode(getRootNode(), position, true);
|
||
|
|
let validateLocation = true;
|
||
|
|
let syntaxToUse = syntax;
|
||
|
|
|
||
|
|
if (editor.document.languageId === 'html') {
|
||
|
|
if (isStyleAttribute(currentNode, position)) {
|
||
|
|
syntaxToUse = 'css';
|
||
|
|
validateLocation = false;
|
||
|
|
} else {
|
||
|
|
const embeddedCssNode = getEmbeddedCssNodeIfAny(editor.document, currentNode, position);
|
||
|
|
if (embeddedCssNode) {
|
||
|
|
currentNode = getNode(embeddedCssNode, position, true);
|
||
|
|
syntaxToUse = 'css';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (validateLocation && !isValidLocationForEmmetAbbreviation(editor.document, getRootNode(), currentNode, syntaxToUse, position, rangeToReplace)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!firstAbbreviation) {
|
||
|
|
firstAbbreviation = abbreviation;
|
||
|
|
} else if (allAbbreviationsSame && firstAbbreviation !== abbreviation) {
|
||
|
|
allAbbreviationsSame = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
abbreviationList.push({ syntax: syntaxToUse, abbreviation, rangeToReplace, filter });
|
||
|
|
});
|
||
|
|
|
||
|
|
return expandAbbreviationInRange(editor, abbreviationList, allAbbreviationsSame).then(success => {
|
||
|
|
return success ? Promise.resolve(undefined) : fallbackTab();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
function fallbackTab(): Thenable<boolean | undefined> {
|
||
|
|
if (vscode.workspace.getConfiguration('emmet')['triggerExpansionOnTab'] === true) {
|
||
|
|
return vscode.commands.executeCommand('tab');
|
||
|
|
}
|
||
|
|
return Promise.resolve(true);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Checks if given position is a valid location to expand emmet abbreviation.
|
||
|
|
* Works only on html and css/less/scss syntax
|
||
|
|
* @param document current Text Document
|
||
|
|
* @param rootNode parsed document
|
||
|
|
* @param currentNode current node in the parsed document
|
||
|
|
* @param syntax syntax of the abbreviation
|
||
|
|
* @param position position to validate
|
||
|
|
* @param abbreviationRange The range of the abbreviation for which given position is being validated
|
||
|
|
*/
|
||
|
|
export function isValidLocationForEmmetAbbreviation(document: vscode.TextDocument, rootNode: Node | undefined, currentNode: Node | null, syntax: string, position: vscode.Position, abbreviationRange: vscode.Range): boolean {
|
||
|
|
if (isStyleSheet(syntax)) {
|
||
|
|
const stylesheet = <Stylesheet>rootNode;
|
||
|
|
if (stylesheet && (stylesheet.comments || []).some(x => position.isAfterOrEqual(x.start) && position.isBeforeOrEqual(x.end))) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
// Continue validation only if the file was parse-able and the currentNode has been found
|
||
|
|
if (!currentNode) {
|
||
|
|
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 abbreviation = document.getText(new vscode.Range(abbreviationRange.start.line, abbreviationRange.start.character, abbreviationRange.end.line, abbreviationRange.end.character));
|
||
|
|
const propertyNode = <Property>currentNode;
|
||
|
|
if (propertyNode.terminatorToken
|
||
|
|
&& propertyNode.separator
|
||
|
|
&& position.isAfterOrEqual(propertyNode.separatorToken.end)
|
||
|
|
&& position.isBeforeOrEqual(propertyNode.terminatorToken.start)
|
||
|
|
&& abbreviation.indexOf(':') === -1) {
|
||
|
|
return hexColorRegex.test(abbreviation) || abbreviation === '!';
|
||
|
|
}
|
||
|
|
if (!propertyNode.terminatorToken
|
||
|
|
&& propertyNode.separator
|
||
|
|
&& position.isAfterOrEqual(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 (position.isAfter(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
|
||
|
|
&& position.line !== currentCssNode.selectorToken.end.line
|
||
|
|
&& currentCssNode.selectorToken.start.character === abbreviationRange.start.character
|
||
|
|
&& currentCssNode.selectorToken.start.line === abbreviationRange.start.line
|
||
|
|
) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
const startAngle = '<';
|
||
|
|
const endAngle = '>';
|
||
|
|
const escape = '\\';
|
||
|
|
const question = '?';
|
||
|
|
const currentHtmlNode = <HtmlNode>currentNode;
|
||
|
|
let start = new vscode.Position(0, 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;
|
||
|
|
}
|
||
|
|
|
||
|
|
const innerRange = getInnerRange(currentHtmlNode);
|
||
|
|
|
||
|
|
// Fix for https://github.com/microsoft/vscode/issues/28829
|
||
|
|
if (!innerRange || !innerRange.contains(position)) {
|
||
|
|
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 = innerRange.start;
|
||
|
|
let lastChildBeforePosition = currentHtmlNode.firstChild;
|
||
|
|
while (lastChildBeforePosition) {
|
||
|
|
if (lastChildBeforePosition.end.isAfter(position)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
start = lastChildBeforePosition.end;
|
||
|
|
lastChildBeforePosition = lastChildBeforePosition.nextSibling;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
let textToBackTrack = document.getText(new vscode.Range(start.line, start.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) => {
|
||
|
|
let 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 => {
|
||
|
|
return new vscode.Range(value.rangeToReplace.start.line, value.rangeToReplace.start.character, value.rangeToReplace.end.line, value.rangeToReplace.end.character);
|
||
|
|
});
|
||
|
|
if (expandedText) {
|
||
|
|
return editor.insertSnippet(new vscode.SnippetString(expandedText), allRanges);
|
||
|
|
}
|
||
|
|
return Promise.resolve(false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Walks the tree rooted at root and apply function fn on each node.
|
||
|
|
* if fn return false at any node, the further processing of tree is stopped.
|
||
|
|
*/
|
||
|
|
function walk(root: any, fn: ((node: any) => boolean)): boolean {
|
||
|
|
let ctx = root;
|
||
|
|
while (ctx) {
|
||
|
|
|
||
|
|
const next = ctx.next;
|
||
|
|
if (fn(ctx) === false || walk(ctx.firstChild, fn) === false) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
ctx = next;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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.indexOf('t') > -1) {
|
||
|
|
input.textToWrap = input.textToWrap.map(line => {
|
||
|
|
return line.replace(trimRegex, '').trim();
|
||
|
|
});
|
||
|
|
}
|
||
|
|
expandOptions['text'] = input.textToWrap;
|
||
|
|
|
||
|
|
// 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.profile['inlineBreak'] = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
let expandedText;
|
||
|
|
try {
|
||
|
|
// Expand the abbreviation
|
||
|
|
|
||
|
|
if (input.textToWrap) {
|
||
|
|
const parsedAbbr = helper.parseAbbreviation(input.abbreviation, expandOptions);
|
||
|
|
if (input.rangeToReplace.isSingleLine && input.textToWrap.length === 1) {
|
||
|
|
|
||
|
|
// Fetch rightmost element in the parsed abbreviation (i.e the element that will contain the wrapped text).
|
||
|
|
let wrappingNode = parsedAbbr;
|
||
|
|
while (wrappingNode && wrappingNode.children && wrappingNode.children.length > 0) {
|
||
|
|
wrappingNode = wrappingNode.children[wrappingNode.children.length - 1];
|
||
|
|
}
|
||
|
|
|
||
|
|
// If wrapping with a block element, insert newline in the text to wrap.
|
||
|
|
if (wrappingNode && inlineElements.indexOf(wrappingNode.name) === -1 && (expandOptions['profile'].hasOwnProperty('format') ? expandOptions['profile'].format : true)) {
|
||
|
|
wrappingNode.value = '\n\t' + wrappingNode.value + '\n';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Below fixes https://github.com/microsoft/vscode/issues/78219
|
||
|
|
// walk the tree and remove tags for empty values
|
||
|
|
walk(parsedAbbr, node => {
|
||
|
|
if (node.name !== null && node.value === '' && !node.isSelfClosing && node.children.length === 0) {
|
||
|
|
node.name = '';
|
||
|
|
node.value = '\n';
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
});
|
||
|
|
|
||
|
|
expandedText = helper.expandAbbreviation(parsedAbbr, expandOptions);
|
||
|
|
// All $anyword would have been escaped by the emmet helper.
|
||
|
|
// Remove the escaping backslash from $TM_SELECTED_TEXT so that VS Code Snippet controller can treat it as a variable
|
||
|
|
expandedText = expandedText.replace('\\$TM_SELECTED_TEXT', '$TM_SELECTED_TEXT');
|
||
|
|
} else {
|
||
|
|
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;
|
||
|
|
}
|