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DiffusionPathIDQuery.php
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Wed, Nov 27, 04:43

DiffusionPathIDQuery.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @task pathutil Path Utilities
*/
final class DiffusionPathIDQuery {
public function __construct(array $paths) {
$this->paths = $paths;
}
public function loadPathIDs() {
$repository = new PhabricatorRepository();
$path_normal_map = array();
foreach ($this->paths as $path) {
$normal = self::normalizePath($path);
$path_normal_map[$normal][] = $path;
}
$paths = queryfx_all(
$repository->establishConnection('r'),
'SELECT * FROM %T WHERE path IN (%Ls)',
PhabricatorRepository::TABLE_PATH,
array_keys($path_normal_map));
$paths = ipull($paths, 'id', 'path');
$result = array();
foreach ($path_normal_map as $normal => $originals) {
foreach ($originals as $original) {
$result[$original] = idx($paths, $normal);
}
}
return $result;
}
/**
* Convert a path to the canonical, absolute representation used by Diffusion.
*
* @param string Some repository path.
* @return string Canonicalized Diffusion path.
* @task pathutil
*/
public static function normalizePath($path) {
// Normalize to single slashes, e.g. "///" => "/".
$path = preg_replace('@[/]{2,}@', '/', $path);
return '/'.trim($path, '/');
}
/**
* Return the canonical parent directory for a path. Note, returns "/" when
* passed "/".
*
* @param string Some repository path.
* @return string That path's canonical parent directory.
* @task pathutil
*/
public static function getParentPath($path) {
$path = self::normalizePath($path);
return dirname($path);
}
/**
* Generate a list of parents for a repository path. The path itself is
* included.
*
* @param string Some repository path.
* @return list List of canonical paths between the path and the root.
* @task pathutil
*/
public static function expandPathToRoot($path) {
$path = self::normalizePath($path);
$parents = array($path);
$parts = explode('/', trim($path, '/'));
while (count($parts) >= 1) {
if (array_pop($parts)) {
$parents[] = '/'.implode('/', $parts);
}
}
return $parents;
}
}

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