Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663
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Greg Anderson
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8476 changed files with 211648 additions and 170042 deletions
230
vendor/easyrdf/easyrdf/lib/EasyRdf/Container.php
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vendor/easyrdf/easyrdf/lib/EasyRdf/Container.php
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<?php
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/**
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* EasyRdf
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*
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* LICENSE
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*
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* Copyright (c) 2013 Nicholas J Humfrey. 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 are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author 'Nicholas J Humfrey" may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN 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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* @package EasyRdf
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* @copyright Copyright (c) 2013 Nicholas J Humfrey
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* @license http://www.opensource.org/licenses/bsd-license.php
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*/
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/**
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* Sub-class of EasyRdf_Resource that represents an RDF container
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* (rdf:Alt, rdf:Bag and rdf:Seq)
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*
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* This class can be used to iterate through a list of items.
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*
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* @package EasyRdf
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* @link http://www.w3.org/TR/xmlschema-2/#date
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* @copyright Copyright (c) 2013 Nicholas J Humfrey
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* @license http://www.opensource.org/licenses/bsd-license.php
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*/
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class EasyRdf_Container extends EasyRdf_Resource implements ArrayAccess, Countable, SeekableIterator
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{
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private $position;
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/** Create a new container - do not use this directly
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*
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* @ignore
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*/
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public function __construct($uri, $graph)
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{
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$this->position = 1;
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parent::__construct($uri, $graph);
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}
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/** Seek to a specific position in the container
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*
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* The first item is postion 1
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*
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* @param integer $position The position in the container to seek to
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* @throws OutOfBoundsException
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*/
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public function seek($position)
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{
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if (is_int($position) and $position > 0) {
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if ($this->hasProperty('rdf:_'.$position)) {
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$this->position = $position;
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} else {
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throw new OutOfBoundsException(
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"Unable to seek to position $position in the container"
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);
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}
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} else {
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throw new InvalidArgumentException(
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"Container position must be a positive integer"
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);
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}
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}
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/** Rewind the iterator back to the start of the container (item 1)
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*
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*/
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public function rewind()
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{
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$this->position = 1;
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}
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/** Return the current item in the container
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*
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* @return mixed The current item
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*/
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public function current()
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{
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return $this->get('rdf:_'.$this->position);
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}
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/** Return the key / current position in the container
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*
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* @return int The current position
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*/
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public function key()
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{
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return $this->position;
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}
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/** Move forward to next item in the container
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*
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*/
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public function next()
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{
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$this->position++;
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}
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/** Checks if current position is valid
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*
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* @return bool True if the current position is valid
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*/
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public function valid()
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{
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return $this->hasProperty('rdf:_'.$this->position);
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}
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/** Counts the number of items in the container
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*
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* Note that this is an slow method - it is more efficient to use
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* the iterator interface, if you can.
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*
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* @return integer The number of items in the container
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*/
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public function count()
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{
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$pos = 1;
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while ($this->hasProperty('rdf:_'.$pos)) {
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$pos++;
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}
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return $pos - 1;
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}
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/** Append an item to the end of the container
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*
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* @param mixed $value The value to append
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* @return integer The number of values appended (1 or 0)
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*/
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public function append($value)
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{
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// Find the end of the list
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$pos = 1;
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while ($this->hasProperty('rdf:_'.$pos)) {
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$pos++;
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}
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// Add the item
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return $this->add('rdf:_'.$pos, $value);
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}
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/** Array Access: check if a position exists in container using array syntax
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*
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* Example: isset($seq[2])
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*/
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public function offsetExists($offset)
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{
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if (is_int($offset) and $offset > 0) {
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return $this->hasProperty('rdf:_'.$offset);
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} else {
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throw new InvalidArgumentException(
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"Container position must be a positive integer"
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);
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}
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}
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/** Array Access: get an item at a specified position in container using array syntax
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*
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* Example: $item = $seq[2];
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*/
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public function offsetGet($offset)
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{
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if (is_int($offset) and $offset > 0) {
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return $this->get('rdf:_'.$offset);
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} else {
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throw new InvalidArgumentException(
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"Container position must be a positive integer"
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);
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}
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}
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/**
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* Array Access: set an item at a positon in container using array syntax
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*
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* Example: $seq[2] = $item;
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*
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* Warning: creating gaps in the sequence will result in unexpected behavior
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*/
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public function offsetSet($offset, $value)
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{
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if (is_int($offset) and $offset > 0) {
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return $this->set('rdf:_'.$offset, $value);
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} elseif (is_null($offset)) {
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return $this->append($value);
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} else {
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throw new InvalidArgumentException(
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"Container position must be a positive integer"
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);
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}
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}
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/**
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* Array Access: delete an item at a specific postion using array syntax
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*
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* Example: unset($seq[2]);
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*
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* Warning: creating gaps in the sequence will result in unexpected behavior
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*/
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public function offsetUnset($offset)
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{
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if (is_int($offset) and $offset > 0) {
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return $this->delete('rdf:_'.$offset);
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} else {
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throw new InvalidArgumentException(
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"Container position must be a positive integer"
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);
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}
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}
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}
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