| /* |
| * Copyright (C) 2021 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| WI.CSSQueryController = class CSSQueryController extends WI.QueryController |
| { |
| constructor(values) |
| { |
| console.assert(Array.isArray(values), values); |
| |
| super(); |
| |
| this._values = values || []; |
| this._cachedSpecialCharacterIndicesForValueMap = new Map; |
| } |
| |
| // Public |
| |
| addValues(values) |
| { |
| console.assert(Array.isArray(values), values); |
| if (!values.length) |
| return; |
| |
| this._values.pushAll(values); |
| } |
| |
| reset() |
| { |
| this._values = []; |
| this._cachedSpecialCharacterIndicesForValueMap.clear(); |
| } |
| |
| executeQuery(query) |
| { |
| if (!query || !this._values.length) |
| return []; |
| |
| query = query.toLowerCase(); |
| |
| let results = []; |
| |
| for (let value of this._values) { |
| if (!this._cachedSpecialCharacterIndicesForValueMap.has(value)) |
| this._cachedSpecialCharacterIndicesForValueMap.set(value, this._findSpecialCharacterIndices(value)); |
| |
| let matches = this.findQueryMatches(query, value.toLowerCase(), this._cachedSpecialCharacterIndicesForValueMap.get(value)); |
| if (matches.length) |
| results.push(new WI.QueryResult(value, matches)); |
| } |
| |
| return results.sort((a, b) => { |
| if (a.rank === b.rank) |
| return a.value.extendedLocaleCompare(b.value); |
| return b.rank - a.rank; |
| }); |
| } |
| |
| // Private |
| |
| _findSpecialCharacterIndices(string) |
| { |
| if (!string.length) |
| return []; |
| |
| const separators = "-_"; |
| |
| // Special characters include the following: |
| // 1. The first character. |
| // 2. Uppercase characters that follow a lowercase letter. |
| // 3. Separators and the first character following the separator. |
| let indices = [0]; |
| |
| for (let i = 1; i < string.length; ++i) { |
| let character = string[i]; |
| let isSpecial = false; |
| |
| if (separators.includes(character)) |
| isSpecial = true; |
| else { |
| let previousCharacter = string[i - 1]; |
| if (separators.includes(previousCharacter)) |
| isSpecial = true; |
| else if (character.isUpperCase() && previousCharacter.isLowerCase()) |
| isSpecial = true; |
| } |
| |
| if (isSpecial) |
| indices.push(i); |
| } |
| |
| return indices; |
| } |
| }; |