RemoveUsingDotNotationPath::__invoke()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
dl 0
loc 4
rs 10
c 0
b 0
f 0
cc 1
eloc 2
nc 1
nop 2
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<?php
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/**
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 * Copyright (c) 2015-present Ganbaro Digital Ltd
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   * Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   * Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in
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 *     the documentation and/or other materials provided with the
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 *     distribution.
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 *
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 *   * Neither the names of the copyright holders nor the names of his
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 *
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 * @category  Libraries
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 * @package   DataContainers/Editors
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 * @author    Stuart Herbert <[email protected]>
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 * @copyright 2011-present Mediasift Ltd www.datasift.com
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 * @copyright 2015-present Ganbaro Digital Ltd www.ganbarodigital.com
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 * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
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 * @link      http://code.ganbarodigital.com/php-data-containers
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 */
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namespace GanbaroDigital\DataContainers\Editors;
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use GanbaroDigital\DataContainers\Containers\DataBag;
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use GanbaroDigital\DataContainers\Exceptions\E4xx_UnsupportedType;
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use GanbaroDigital\DataContainers\Filters\FilterDotNotationParts;
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use GanbaroDigital\DataContainers\Requirements\RequireDotNotationPath;
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use GanbaroDigital\DataContainers\ValueBuilders\DescendDotNotationPath;
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use GanbaroDigital\Defensive\Requirements\RequireAnyOneOf;
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use GanbaroDigital\Reflection\Checks\IsAssignable;
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use GanbaroDigital\Reflection\Checks\IsIndexable;
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class RemoveUsingDotNotationPath
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{
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    /**
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     * remove data from a container, using dot.notation.support to identify
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     * the data to remove
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     *
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     * @param  mixed $container
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     *         the container we want to remove data from
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     * @param  string $path
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     *         the dot.notation.support path to the data to remove
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     * @return void
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     */
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    public function __invoke(&$container, $path)
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    {
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        return self::from($container, $path);
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    }
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    /**
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     * merge data from a container, using dot.notation.support to identify
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     * the data to remove
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     *
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     * @param  mixed $container
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     *         the container we want to remove from
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     * @param  string $path
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     *         the dot.notation.support path to the data to remove
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     * @return void
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     */
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    public static function from(&$container, $path)
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    {
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        // defensive programming!
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        RequireAnyOneOf::check([new IsAssignable, new IsIndexable], [$container], E4xx_UnsupportedType::class);
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        RequireDotNotationPath::check($path);
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        // find the point where we want to remove the data from
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        list ($firstPart, $finalPart) = self::splitPathInTwo($path);
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        $leaf =& DescendDotNotationPath::into($container, $firstPart);
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        // remove it
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        RemoveProperty::from($leaf, $finalPart);
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    }
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    /**
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     * split the dot.notation.support path up into two parts - where we are
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     * inserting, and the name of what we are inserting
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     *
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     * @param  string $path
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     *         the dot.notation.support path that needs splitting
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     * @return array
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     *         the two parts of the path
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     */
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    private static function splitPathInTwo($path)
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    {
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        // find the point where we want to merge
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        $firstPart = FilterDotNotationParts::fromString($path, 0, -1);
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        $finalPart = FilterDotNotationParts::fromString($path, -1, 1);
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        return [ $firstPart, $finalPart ];
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    }
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}