586 lines
31 KiB
JavaScript
586 lines
31 KiB
JavaScript
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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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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "../parser/htmlScanner", "../htmlLanguageTypes", "../parser/htmlEntities", "@vscode/l10n", "../utils/strings", "../utils/object", "../languageFacts/dataProvider", "./pathCompletion"], factory);
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}
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})(function (require, exports) {
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.HTMLCompletion = void 0;
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const htmlScanner_1 = require("../parser/htmlScanner");
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const htmlLanguageTypes_1 = require("../htmlLanguageTypes");
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const htmlEntities_1 = require("../parser/htmlEntities");
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const l10n = require("@vscode/l10n");
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const strings_1 = require("../utils/strings");
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const object_1 = require("../utils/object");
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const dataProvider_1 = require("../languageFacts/dataProvider");
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const pathCompletion_1 = require("./pathCompletion");
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class HTMLCompletion {
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constructor(lsOptions, dataManager) {
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this.lsOptions = lsOptions;
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this.dataManager = dataManager;
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this.completionParticipants = [];
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}
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setCompletionParticipants(registeredCompletionParticipants) {
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this.completionParticipants = registeredCompletionParticipants || [];
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}
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async doComplete2(document, position, htmlDocument, documentContext, settings) {
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if (!this.lsOptions.fileSystemProvider || !this.lsOptions.fileSystemProvider.readDirectory) {
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return this.doComplete(document, position, htmlDocument, settings);
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}
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const participant = new pathCompletion_1.PathCompletionParticipant(this.dataManager, this.lsOptions.fileSystemProvider.readDirectory);
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const contributedParticipants = this.completionParticipants;
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this.completionParticipants = [participant].concat(contributedParticipants);
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const result = this.doComplete(document, position, htmlDocument, settings);
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try {
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const pathCompletionResult = await participant.computeCompletions(document, documentContext);
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return {
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isIncomplete: result.isIncomplete || pathCompletionResult.isIncomplete,
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items: pathCompletionResult.items.concat(result.items)
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};
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}
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finally {
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this.completionParticipants = contributedParticipants;
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}
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}
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doComplete(document, position, htmlDocument, settings) {
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const result = this._doComplete(document, position, htmlDocument, settings);
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return this.convertCompletionList(result);
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}
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_doComplete(document, position, htmlDocument, settings) {
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const result = {
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isIncomplete: false,
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items: []
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};
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const completionParticipants = this.completionParticipants;
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const dataProviders = this.dataManager.getDataProviders().filter(p => p.isApplicable(document.languageId) && (!settings || settings[p.getId()] !== false));
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const voidElements = this.dataManager.getVoidElements(dataProviders);
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const doesSupportMarkdown = this.doesSupportMarkdown();
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const text = document.getText();
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const offset = document.offsetAt(position);
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const node = htmlDocument.findNodeBefore(offset);
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if (!node) {
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return result;
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}
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const scanner = (0, htmlScanner_1.createScanner)(text, node.start);
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let currentTag = '';
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let currentAttributeName;
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function getReplaceRange(replaceStart, replaceEnd = offset) {
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if (replaceStart > offset) {
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replaceStart = offset;
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}
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return { start: document.positionAt(replaceStart), end: document.positionAt(replaceEnd) };
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}
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function collectOpenTagSuggestions(afterOpenBracket, tagNameEnd) {
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const range = getReplaceRange(afterOpenBracket, tagNameEnd);
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dataProviders.forEach((provider) => {
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provider.provideTags().forEach(tag => {
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result.items.push({
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label: tag.name,
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kind: htmlLanguageTypes_1.CompletionItemKind.Property,
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documentation: (0, dataProvider_1.generateDocumentation)(tag, undefined, doesSupportMarkdown),
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, tag.name),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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});
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});
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});
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return result;
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}
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function getLineIndent(offset) {
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let start = offset;
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while (start > 0) {
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const ch = text.charAt(start - 1);
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if ("\n\r".indexOf(ch) >= 0) {
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return text.substring(start, offset);
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}
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if (!isWhiteSpace(ch)) {
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return null;
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}
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start--;
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}
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return text.substring(0, offset);
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}
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function collectCloseTagSuggestions(afterOpenBracket, inOpenTag, tagNameEnd = offset) {
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const range = getReplaceRange(afterOpenBracket, tagNameEnd);
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const closeTag = isFollowedBy(text, tagNameEnd, htmlLanguageTypes_1.ScannerState.WithinEndTag, htmlLanguageTypes_1.TokenType.EndTagClose) ? '' : '>';
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let curr = node;
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if (inOpenTag) {
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curr = curr.parent; // don't suggest the own tag, it's not yet open
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}
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while (curr) {
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const tag = curr.tag;
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if (tag && (!curr.closed || curr.endTagStart && (curr.endTagStart > offset))) {
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const item = {
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label: '/' + tag,
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kind: htmlLanguageTypes_1.CompletionItemKind.Property,
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filterText: '/' + tag,
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, '/' + tag + closeTag),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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};
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const startIndent = getLineIndent(curr.start);
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const endIndent = getLineIndent(afterOpenBracket - 1);
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if (startIndent !== null && endIndent !== null && startIndent !== endIndent) {
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const insertText = startIndent + '</' + tag + closeTag;
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item.textEdit = htmlLanguageTypes_1.TextEdit.replace(getReplaceRange(afterOpenBracket - 1 - endIndent.length), insertText);
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item.filterText = endIndent + '</' + tag;
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}
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result.items.push(item);
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return result;
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}
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curr = curr.parent;
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}
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if (inOpenTag) {
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return result;
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}
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dataProviders.forEach(provider => {
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provider.provideTags().forEach(tag => {
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result.items.push({
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label: '/' + tag.name,
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kind: htmlLanguageTypes_1.CompletionItemKind.Property,
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documentation: (0, dataProvider_1.generateDocumentation)(tag, undefined, doesSupportMarkdown),
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filterText: '/' + tag.name + closeTag,
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, '/' + tag.name + closeTag),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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});
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});
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});
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return result;
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}
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const collectAutoCloseTagSuggestion = (tagCloseEnd, tag) => {
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if (settings && settings.hideAutoCompleteProposals) {
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return result;
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}
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if (!this.dataManager.isVoidElement(tag, voidElements)) {
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const pos = document.positionAt(tagCloseEnd);
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result.items.push({
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label: '</' + tag + '>',
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kind: htmlLanguageTypes_1.CompletionItemKind.Property,
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filterText: '</' + tag + '>',
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textEdit: htmlLanguageTypes_1.TextEdit.insert(pos, '$0</' + tag + '>'),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.Snippet
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});
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}
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return result;
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};
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function collectTagSuggestions(tagStart, tagEnd) {
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collectOpenTagSuggestions(tagStart, tagEnd);
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collectCloseTagSuggestions(tagStart, true, tagEnd);
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return result;
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}
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function getExistingAttributes() {
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const existingAttributes = Object.create(null);
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node.attributeNames.forEach(attribute => {
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existingAttributes[attribute] = true;
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});
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return existingAttributes;
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}
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function collectAttributeNameSuggestions(nameStart, nameEnd = offset) {
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let replaceEnd = offset;
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while (replaceEnd < nameEnd && text[replaceEnd] !== '<') { // < is a valid attribute name character, but we rather assume the attribute name ends. See #23236.
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replaceEnd++;
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}
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const currentAttribute = text.substring(nameStart, nameEnd);
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const range = getReplaceRange(nameStart, replaceEnd);
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let value = '';
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if (!isFollowedBy(text, nameEnd, htmlLanguageTypes_1.ScannerState.AfterAttributeName, htmlLanguageTypes_1.TokenType.DelimiterAssign)) {
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const defaultValue = settings?.attributeDefaultValue ?? 'doublequotes';
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if (defaultValue === 'empty') {
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value = '=$1';
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}
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else if (defaultValue === 'singlequotes') {
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value = '=\'$1\'';
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}
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else {
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value = '="$1"';
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}
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}
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const seenAttributes = getExistingAttributes();
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// include current typing attribute
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seenAttributes[currentAttribute] = false;
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dataProviders.forEach(provider => {
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provider.provideAttributes(currentTag).forEach(attr => {
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if (seenAttributes[attr.name]) {
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return;
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}
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seenAttributes[attr.name] = true;
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let codeSnippet = attr.name;
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let command;
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if (attr.valueSet !== 'v' && value.length) {
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codeSnippet = codeSnippet + value;
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if (attr.valueSet || attr.name === 'style') {
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command = {
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title: 'Suggest',
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command: 'editor.action.triggerSuggest'
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};
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}
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}
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result.items.push({
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label: attr.name,
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kind: attr.valueSet === 'handler' ? htmlLanguageTypes_1.CompletionItemKind.Function : htmlLanguageTypes_1.CompletionItemKind.Value,
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documentation: (0, dataProvider_1.generateDocumentation)(attr, undefined, doesSupportMarkdown),
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, codeSnippet),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.Snippet,
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command
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});
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});
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});
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collectDataAttributesSuggestions(range, seenAttributes);
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return result;
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}
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function collectDataAttributesSuggestions(range, seenAttributes) {
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const dataAttr = 'data-';
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const dataAttributes = {};
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dataAttributes[dataAttr] = `${dataAttr}$1="$2"`;
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function addNodeDataAttributes(node) {
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node.attributeNames.forEach(attr => {
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if ((0, strings_1.startsWith)(attr, dataAttr) && !dataAttributes[attr] && !seenAttributes[attr]) {
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dataAttributes[attr] = attr + '="$1"';
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}
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});
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node.children.forEach(child => addNodeDataAttributes(child));
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}
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if (htmlDocument) {
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htmlDocument.roots.forEach(root => addNodeDataAttributes(root));
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}
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Object.keys(dataAttributes).forEach(attr => result.items.push({
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label: attr,
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kind: htmlLanguageTypes_1.CompletionItemKind.Value,
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, dataAttributes[attr]),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.Snippet
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}));
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}
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function collectAttributeValueSuggestions(valueStart, valueEnd = offset) {
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let range;
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let addQuotes;
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let valuePrefix;
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if (offset > valueStart && offset <= valueEnd && isQuote(text[valueStart])) {
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// inside quoted attribute
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const valueContentStart = valueStart + 1;
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let valueContentEnd = valueEnd;
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// valueEnd points to the char after quote, which encloses the replace range
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if (valueEnd > valueStart && text[valueEnd - 1] === text[valueStart]) {
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valueContentEnd--;
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}
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const wsBefore = getWordStart(text, offset, valueContentStart);
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const wsAfter = getWordEnd(text, offset, valueContentEnd);
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range = getReplaceRange(wsBefore, wsAfter);
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valuePrefix = offset >= valueContentStart && offset <= valueContentEnd ? text.substring(valueContentStart, offset) : '';
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addQuotes = false;
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}
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else {
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range = getReplaceRange(valueStart, valueEnd);
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valuePrefix = text.substring(valueStart, offset);
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addQuotes = true;
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}
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if (completionParticipants.length > 0) {
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const tag = currentTag.toLowerCase();
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const attribute = currentAttributeName.toLowerCase();
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const fullRange = getReplaceRange(valueStart, valueEnd);
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for (const participant of completionParticipants) {
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if (participant.onHtmlAttributeValue) {
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participant.onHtmlAttributeValue({ document, position, tag, attribute, value: valuePrefix, range: fullRange });
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}
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}
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}
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dataProviders.forEach(provider => {
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provider.provideValues(currentTag, currentAttributeName).forEach(value => {
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const insertText = addQuotes ? '"' + value.name + '"' : value.name;
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result.items.push({
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label: value.name,
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filterText: insertText,
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kind: htmlLanguageTypes_1.CompletionItemKind.Unit,
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documentation: (0, dataProvider_1.generateDocumentation)(value, undefined, doesSupportMarkdown),
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, insertText),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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});
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});
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});
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collectCharacterEntityProposals();
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return result;
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}
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function scanNextForEndPos(nextToken) {
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if (offset === scanner.getTokenEnd()) {
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token = scanner.scan();
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if (token === nextToken && scanner.getTokenOffset() === offset) {
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return scanner.getTokenEnd();
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}
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}
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return offset;
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}
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function collectInsideContent() {
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for (const participant of completionParticipants) {
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if (participant.onHtmlContent) {
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participant.onHtmlContent({ document, position });
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}
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}
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return collectCharacterEntityProposals();
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}
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function collectCharacterEntityProposals() {
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// character entities
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let k = offset - 1;
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let characterStart = position.character;
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while (k >= 0 && (0, strings_1.isLetterOrDigit)(text, k)) {
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k--;
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characterStart--;
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}
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if (k >= 0 && text[k] === '&') {
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const range = htmlLanguageTypes_1.Range.create(htmlLanguageTypes_1.Position.create(position.line, characterStart - 1), position);
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for (const entity in htmlEntities_1.entities) {
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if ((0, strings_1.endsWith)(entity, ';')) {
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const label = '&' + entity;
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result.items.push({
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label,
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kind: htmlLanguageTypes_1.CompletionItemKind.Keyword,
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documentation: l10n.t('Character entity representing \'{0}\'', htmlEntities_1.entities[entity]),
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, label),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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});
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}
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}
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}
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return result;
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}
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function suggestDoctype(replaceStart, replaceEnd) {
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const range = getReplaceRange(replaceStart, replaceEnd);
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result.items.push({
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label: '!DOCTYPE',
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kind: htmlLanguageTypes_1.CompletionItemKind.Property,
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documentation: 'A preamble for an HTML document.',
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textEdit: htmlLanguageTypes_1.TextEdit.replace(range, '!DOCTYPE html>'),
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insertTextFormat: htmlLanguageTypes_1.InsertTextFormat.PlainText
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});
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}
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let token = scanner.scan();
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while (token !== htmlLanguageTypes_1.TokenType.EOS && scanner.getTokenOffset() <= offset) {
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switch (token) {
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case htmlLanguageTypes_1.TokenType.StartTagOpen:
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if (scanner.getTokenEnd() === offset) {
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const endPos = scanNextForEndPos(htmlLanguageTypes_1.TokenType.StartTag);
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if (position.line === 0) {
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suggestDoctype(offset, endPos);
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}
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return collectTagSuggestions(offset, endPos);
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}
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break;
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case htmlLanguageTypes_1.TokenType.StartTag:
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if (scanner.getTokenOffset() <= offset && offset <= scanner.getTokenEnd()) {
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return collectOpenTagSuggestions(scanner.getTokenOffset(), scanner.getTokenEnd());
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}
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currentTag = scanner.getTokenText();
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break;
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case htmlLanguageTypes_1.TokenType.AttributeName:
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if (scanner.getTokenOffset() <= offset && offset <= scanner.getTokenEnd()) {
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return collectAttributeNameSuggestions(scanner.getTokenOffset(), scanner.getTokenEnd());
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}
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currentAttributeName = scanner.getTokenText();
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break;
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case htmlLanguageTypes_1.TokenType.DelimiterAssign:
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if (scanner.getTokenEnd() === offset) {
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const endPos = scanNextForEndPos(htmlLanguageTypes_1.TokenType.AttributeValue);
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return collectAttributeValueSuggestions(offset, endPos);
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}
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break;
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case htmlLanguageTypes_1.TokenType.AttributeValue:
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if (scanner.getTokenOffset() <= offset && offset <= scanner.getTokenEnd()) {
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return collectAttributeValueSuggestions(scanner.getTokenOffset(), scanner.getTokenEnd());
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}
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break;
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case htmlLanguageTypes_1.TokenType.Whitespace:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
switch (scanner.getScannerState()) {
|
||
|
case htmlLanguageTypes_1.ScannerState.AfterOpeningStartTag:
|
||
|
const startPos = scanner.getTokenOffset();
|
||
|
const endTagPos = scanNextForEndPos(htmlLanguageTypes_1.TokenType.StartTag);
|
||
|
return collectTagSuggestions(startPos, endTagPos);
|
||
|
case htmlLanguageTypes_1.ScannerState.WithinTag:
|
||
|
case htmlLanguageTypes_1.ScannerState.AfterAttributeName:
|
||
|
return collectAttributeNameSuggestions(scanner.getTokenEnd());
|
||
|
case htmlLanguageTypes_1.ScannerState.BeforeAttributeValue:
|
||
|
return collectAttributeValueSuggestions(scanner.getTokenEnd());
|
||
|
case htmlLanguageTypes_1.ScannerState.AfterOpeningEndTag:
|
||
|
return collectCloseTagSuggestions(scanner.getTokenOffset() - 1, false);
|
||
|
case htmlLanguageTypes_1.ScannerState.WithinContent:
|
||
|
return collectInsideContent();
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
case htmlLanguageTypes_1.TokenType.EndTagOpen:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
const afterOpenBracket = scanner.getTokenOffset() + 1;
|
||
|
const endOffset = scanNextForEndPos(htmlLanguageTypes_1.TokenType.EndTag);
|
||
|
return collectCloseTagSuggestions(afterOpenBracket, false, endOffset);
|
||
|
}
|
||
|
break;
|
||
|
case htmlLanguageTypes_1.TokenType.EndTag:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
let start = scanner.getTokenOffset() - 1;
|
||
|
while (start >= 0) {
|
||
|
const ch = text.charAt(start);
|
||
|
if (ch === '/') {
|
||
|
return collectCloseTagSuggestions(start, false, scanner.getTokenEnd());
|
||
|
}
|
||
|
else if (!isWhiteSpace(ch)) {
|
||
|
break;
|
||
|
}
|
||
|
start--;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
case htmlLanguageTypes_1.TokenType.StartTagClose:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
if (currentTag) {
|
||
|
return collectAutoCloseTagSuggestion(scanner.getTokenEnd(), currentTag);
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
case htmlLanguageTypes_1.TokenType.Content:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
return collectInsideContent();
|
||
|
}
|
||
|
break;
|
||
|
default:
|
||
|
if (offset <= scanner.getTokenEnd()) {
|
||
|
return result;
|
||
|
}
|
||
|
break;
|
||
|
}
|
||
|
token = scanner.scan();
|
||
|
}
|
||
|
return result;
|
||
|
}
|
||
|
doQuoteComplete(document, position, htmlDocument, settings) {
|
||
|
const offset = document.offsetAt(position);
|
||
|
if (offset <= 0) {
|
||
|
return null;
|
||
|
}
|
||
|
const defaultValue = settings?.attributeDefaultValue ?? 'doublequotes';
|
||
|
if (defaultValue === 'empty') {
|
||
|
return null;
|
||
|
}
|
||
|
const char = document.getText().charAt(offset - 1);
|
||
|
if (char !== '=') {
|
||
|
return null;
|
||
|
}
|
||
|
const value = defaultValue === 'doublequotes' ? '"$1"' : '\'$1\'';
|
||
|
const node = htmlDocument.findNodeBefore(offset);
|
||
|
if (node && node.attributes && node.start < offset && (!node.endTagStart || node.endTagStart > offset)) {
|
||
|
const scanner = (0, htmlScanner_1.createScanner)(document.getText(), node.start);
|
||
|
let token = scanner.scan();
|
||
|
while (token !== htmlLanguageTypes_1.TokenType.EOS && scanner.getTokenEnd() <= offset) {
|
||
|
if (token === htmlLanguageTypes_1.TokenType.AttributeName && scanner.getTokenEnd() === offset - 1) {
|
||
|
// Ensure the token is a valid standalone attribute name
|
||
|
token = scanner.scan(); // this should be the = just written
|
||
|
if (token !== htmlLanguageTypes_1.TokenType.DelimiterAssign) {
|
||
|
return null;
|
||
|
}
|
||
|
token = scanner.scan();
|
||
|
// Any non-attribute valid tag
|
||
|
if (token === htmlLanguageTypes_1.TokenType.Unknown || token === htmlLanguageTypes_1.TokenType.AttributeValue) {
|
||
|
return null;
|
||
|
}
|
||
|
return value;
|
||
|
}
|
||
|
token = scanner.scan();
|
||
|
}
|
||
|
}
|
||
|
return null;
|
||
|
}
|
||
|
doTagComplete(document, position, htmlDocument) {
|
||
|
const offset = document.offsetAt(position);
|
||
|
if (offset <= 0) {
|
||
|
return null;
|
||
|
}
|
||
|
const char = document.getText().charAt(offset - 1);
|
||
|
if (char === '>') {
|
||
|
const voidElements = this.dataManager.getVoidElements(document.languageId);
|
||
|
const node = htmlDocument.findNodeBefore(offset);
|
||
|
if (node && node.tag && !this.dataManager.isVoidElement(node.tag, voidElements) && node.start < offset && (!node.endTagStart || node.endTagStart > offset)) {
|
||
|
const scanner = (0, htmlScanner_1.createScanner)(document.getText(), node.start);
|
||
|
let token = scanner.scan();
|
||
|
while (token !== htmlLanguageTypes_1.TokenType.EOS && scanner.getTokenEnd() <= offset) {
|
||
|
if (token === htmlLanguageTypes_1.TokenType.StartTagClose && scanner.getTokenEnd() === offset) {
|
||
|
return `$0</${node.tag}>`;
|
||
|
}
|
||
|
token = scanner.scan();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
else if (char === '/') {
|
||
|
let node = htmlDocument.findNodeBefore(offset);
|
||
|
while (node && node.closed && !(node.endTagStart && (node.endTagStart > offset))) {
|
||
|
node = node.parent;
|
||
|
}
|
||
|
if (node && node.tag) {
|
||
|
const scanner = (0, htmlScanner_1.createScanner)(document.getText(), node.start);
|
||
|
let token = scanner.scan();
|
||
|
while (token !== htmlLanguageTypes_1.TokenType.EOS && scanner.getTokenEnd() <= offset) {
|
||
|
if (token === htmlLanguageTypes_1.TokenType.EndTagOpen && scanner.getTokenEnd() === offset) {
|
||
|
return `${node.tag}>`;
|
||
|
}
|
||
|
token = scanner.scan();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
return null;
|
||
|
}
|
||
|
convertCompletionList(list) {
|
||
|
if (!this.doesSupportMarkdown()) {
|
||
|
list.items.forEach(item => {
|
||
|
if (item.documentation && typeof item.documentation !== 'string') {
|
||
|
item.documentation = {
|
||
|
kind: 'plaintext',
|
||
|
value: item.documentation.value
|
||
|
};
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
return list;
|
||
|
}
|
||
|
doesSupportMarkdown() {
|
||
|
if (!(0, object_1.isDefined)(this.supportsMarkdown)) {
|
||
|
if (!(0, object_1.isDefined)(this.lsOptions.clientCapabilities)) {
|
||
|
this.supportsMarkdown = true;
|
||
|
return this.supportsMarkdown;
|
||
|
}
|
||
|
const documentationFormat = this.lsOptions.clientCapabilities.textDocument?.completion?.completionItem?.documentationFormat;
|
||
|
this.supportsMarkdown = Array.isArray(documentationFormat) && documentationFormat.indexOf(htmlLanguageTypes_1.MarkupKind.Markdown) !== -1;
|
||
|
}
|
||
|
return this.supportsMarkdown;
|
||
|
}
|
||
|
}
|
||
|
exports.HTMLCompletion = HTMLCompletion;
|
||
|
function isQuote(s) {
|
||
|
return /^["']*$/.test(s);
|
||
|
}
|
||
|
function isWhiteSpace(s) {
|
||
|
return /^\s*$/.test(s);
|
||
|
}
|
||
|
function isFollowedBy(s, offset, intialState, expectedToken) {
|
||
|
const scanner = (0, htmlScanner_1.createScanner)(s, offset, intialState);
|
||
|
let token = scanner.scan();
|
||
|
while (token === htmlLanguageTypes_1.TokenType.Whitespace) {
|
||
|
token = scanner.scan();
|
||
|
}
|
||
|
return token === expectedToken;
|
||
|
}
|
||
|
function getWordStart(s, offset, limit) {
|
||
|
while (offset > limit && !isWhiteSpace(s[offset - 1])) {
|
||
|
offset--;
|
||
|
}
|
||
|
return offset;
|
||
|
}
|
||
|
function getWordEnd(s, offset, limit) {
|
||
|
while (offset < limit && !isWhiteSpace(s[offset])) {
|
||
|
offset++;
|
||
|
}
|
||
|
return offset;
|
||
|
}
|
||
|
});
|