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/*
* Copyright (C) 2016 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.ResourceQueryController = class ResourceQueryController extends WI.QueryController
{
constructor()
{
super();
this._resourceDataMap = new Map;
}
// Public
addResource(resource)
{
this._resourceDataMap.set(resource, {});
}
removeResource(resource)
{
this._resourceDataMap.delete(resource);
}
reset()
{
this._resourceDataMap.clear();
}
executeQuery(query)
{
if (!query || !this._resourceDataMap.size)
return [];
query = query.removeWhitespace().toLowerCase();
let cookie = null;
if (query.includes(":")) {
let [newQuery, lineNumber, columnNumber] = query.split(":");
query = newQuery;
lineNumber = lineNumber ? parseInt(lineNumber, 10) - 1 : 0;
columnNumber = columnNumber ? parseInt(columnNumber, 10) - 1 : 0;
cookie = {lineNumber, columnNumber};
}
let results = [];
for (let [resource, cachedData] of this._resourceDataMap) {
if (!cachedData.searchString) {
let displayName = resource.displayName;
cachedData.searchString = displayName.toLowerCase();
cachedData.specialCharacterIndices = this._findSpecialCharacterIndices(displayName);
}
let matches = this.findQueryMatches(query, cachedData.searchString, cachedData.specialCharacterIndices);
if (matches.length)
results.push(new WI.ResourceQueryResult(resource, matches, cookie));
}
// Resources are sorted in descending order by rank. Resources of equal
// rank are sorted by display name.
return results.sort((a, b) => {
if (a.rank === b.rank)
return a.resource.displayName.extendedLocaleCompare(b.resource.displayName);
return b.rank - a.rank;
});
}
// Private
_findSpecialCharacterIndices(string)
{
if (!string.length)
return [];
const filenameSeparators = "_.-";
// Special characters include the following:
// 1. The first character.
// 2. Uppercase characters that follow a lowercase letter.
// 3. Filename 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 (filenameSeparators.includes(character))
isSpecial = true;
else {
let previousCharacter = string[i - 1];
let previousCharacterIsSeparator = filenameSeparators.includes(previousCharacter);
if (previousCharacterIsSeparator)
isSpecial = true;
else if (character.isUpperCase() && previousCharacter.isLowerCase())
isSpecial = true;
}
if (isSpecial)
indices.push(i);
}
return indices;
}
};
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