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<?php

/**
 * PHPExcel_DocumentProperties
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category    PHPExcel
 * @package    PHPExcel
 * @copyright    Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_DocumentProperties
{
    /** constants */
    const PROPERTY_TYPE_BOOLEAN = 'b';
    const PROPERTY_TYPE_INTEGER = 'i';
    const PROPERTY_TYPE_FLOAT   = 'f';
    const PROPERTY_TYPE_DATE    = 'd';
    const PROPERTY_TYPE_STRING  = 's';
    const PROPERTY_TYPE_UNKNOWN = 'u';

    /**
     * Creator
     *
     * @var string
     */
    private $creator = 'Unknown Creator';

    /**
     * LastModifiedBy
     *
     * @var string
     */
    private $lastModifiedBy;

    /**
     * Created
     *
     * @var datetime
     */
    private $created;

    /**
     * Modified
     *
     * @var datetime
     */
    private $modified;

    /**
     * Title
     *
     * @var string
     */
    private $title = 'Untitled Spreadsheet';

    /**
     * Description
     *
     * @var string
     */
    private $description = '';

    /**
     * Subject
     *
     * @var string
     */
    private $subject = '';

    /**
     * Keywords
     *
     * @var string
     */
    private $keywords = '';

    /**
     * Category
     *
     * @var string
     */
    private $category = '';

    /**
     * Manager
     *
     * @var string
     */
    private $manager = '';

    /**
     * Company
     *
     * @var string
     */
    private $company = 'Microsoft Corporation';

    /**
     * Custom Properties
     *
     * @var string
     */
    private $customProperties = array();


    /**
     * Create a new PHPExcel_DocumentProperties
     */
    public function __construct()
    {
        // Initialise values
        $this->lastModifiedBy = $this->creator;
        $this->created  = time();
        $this->modified = time();
    }

    /**
     * Get Creator
     *
     * @return string
     */
    public function getCreator()
    {
        return $this->creator;
    }

    /**
     * Set Creator
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setCreator($pValue = '')
    {
        $this->creator = $pValue;
        return $this;
    }

    /**
     * Get Last Modified By
     *
     * @return string
     */
    public function getLastModifiedBy()
    {
        return $this->lastModifiedBy;
    }

    /**
     * Set Last Modified By
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setLastModifiedBy($pValue = '')
    {
        $this->lastModifiedBy = $pValue;
        return $this;
    }

    /**
     * Get Created
     *
     * @return datetime
     */
    public function getCreated()
    {
        return $this->created;
    }

    /**
     * Set Created
     *
     * @param datetime $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setCreated($pValue = null)
    {
        if ($pValue === null) {
            $pValue = time();
        } elseif (is_string($pValue)) {
            if (is_numeric($pValue)) {
                $pValue = intval($pValue);
            } else {
                $pValue = strtotime($pValue);
            }
        }

        $this->created = $pValue;
        return $this;
    }

    /**
     * Get Modified
     *
     * @return datetime
     */
    public function getModified()
    {
        return $this->modified;
    }

    /**
     * Set Modified
     *
     * @param datetime $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setModified($pValue = null)
    {
        if ($pValue === null) {
            $pValue = time();
        } elseif (is_string($pValue)) {
            if (is_numeric($pValue)) {
                $pValue = intval($pValue);
            } else {
                $pValue = strtotime($pValue);
            }
        }

        $this->modified = $pValue;
        return $this;
    }

    /**
     * Get Title
     *
     * @return string
     */
    public function getTitle()
    {
        return $this->title;
    }

    /**
     * Set Title
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setTitle($pValue = '')
    {
        $this->title = $pValue;
        return $this;
    }

    /**
     * Get Description
     *
     * @return string
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * Set Description
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setDescription($pValue = '')
    {
        $this->description = $pValue;
        return $this;
    }

    /**
     * Get Subject
     *
     * @return string
     */
    public function getSubject()
    {
        return $this->subject;
    }

    /**
     * Set Subject
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setSubject($pValue = '')
    {
        $this->subject = $pValue;
        return $this;
    }

    /**
     * Get Keywords
     *
     * @return string
     */
    public function getKeywords()
    {
        return $this->keywords;
    }

    /**
     * Set Keywords
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setKeywords($pValue = '')
    {
        $this->keywords = $pValue;
        return $this;
    }

    /**
     * Get Category
     *
     * @return string
     */
    public function getCategory()
    {
        return $this->category;
    }

    /**
     * Set Category
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setCategory($pValue = '')
    {
        $this->category = $pValue;
        return $this;
    }

    /**
     * Get Company
     *
     * @return string
     */
    public function getCompany()
    {
        return $this->company;
    }

    /**
     * Set Company
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setCompany($pValue = '')
    {
        $this->company = $pValue;
        return $this;
    }

    /**
     * Get Manager
     *
     * @return string
     */
    public function getManager()
    {
        return $this->manager;
    }

    /**
     * Set Manager
     *
     * @param string $pValue
     * @return PHPExcel_DocumentProperties
     */
    public function setManager($pValue = '')
    {
        $this->manager = $pValue;
        return $this;
    }

    /**
     * Get a List of Custom Property Names
     *
     * @return array of string
     */
    public function getCustomProperties()
    {
        return array_keys($this->customProperties);
    }

    /**
     * Check if a Custom Property is defined
     *
     * @param string $propertyName
     * @return boolean
     */
    public function isCustomPropertySet($propertyName)
    {
        return isset($this->customProperties[$propertyName]);
    }

    /**
     * Get a Custom Property Value
     *
     * @param string $propertyName
     * @return string
     */
    public function getCustomPropertyValue($propertyName)
    {
        if (isset($this->customProperties[$propertyName])) {
            return $this->customProperties[$propertyName]['value'];
        }

    }

    /**
     * Get a Custom Property Type
     *
     * @param string $propertyName
     * @return string
     */
    public function getCustomPropertyType($propertyName)
    {
        if (isset($this->customProperties[$propertyName])) {
            return $this->customProperties[$propertyName]['type'];
        }

    }

    /**
     * Set a Custom Property
     *
     * @param string $propertyName
     * @param mixed $propertyValue
     * @param string $propertyType
     *      'i'    : Integer
     *   'f' : Floating Point
     *   's' : String
     *   'd' : Date/Time
     *   'b' : Boolean
     * @return PHPExcel_DocumentProperties
     */
    public function setCustomProperty($propertyName, $propertyValue = '', $propertyType = null)
    {
        if (($propertyType === null) || (!in_array($propertyType, array(self::PROPERTY_TYPE_INTEGER,
                                                                        self::PROPERTY_TYPE_FLOAT,
                                                                        self::PROPERTY_TYPE_STRING,
                                                                        self::PROPERTY_TYPE_DATE,
                                                                        self::PROPERTY_TYPE_BOOLEAN)))) {
            if ($propertyValue === null) {
                $propertyType = self::PROPERTY_TYPE_STRING;
            } elseif (is_float($propertyValue)) {
                $propertyType = self::PROPERTY_TYPE_FLOAT;
            } elseif (is_int($propertyValue)) {
                $propertyType = self::PROPERTY_TYPE_INTEGER;
            } elseif (is_bool($propertyValue)) {
                $propertyType = self::PROPERTY_TYPE_BOOLEAN;
            } else {
                $propertyType = self::PROPERTY_TYPE_STRING;
            }
        }

        $this->customProperties[$propertyName] = array(
            'value' => $propertyValue,
            'type' => $propertyType
        );
        return $this;
    }

    /**
     * Implement PHP __clone to create a deep clone, not just a shallow copy.
     */
    public function __clone()
    {
        $vars = get_object_vars($this);
        foreach ($vars as $key => $value) {
            if (is_object($value)) {
                $this->$key = clone $value;
            } else {
                $this->$key = $value;
            }
        }
    }

    public static function convertProperty($propertyValue, $propertyType)
    {
        switch ($propertyType) {
            case 'empty':     //    Empty
                return '';
                break;
            case 'null':      //    Null
                return null;
                break;
            case 'i1':        //    1-Byte Signed Integer
            case 'i2':        //    2-Byte Signed Integer
            case 'i4':        //    4-Byte Signed Integer
            case 'i8':        //    8-Byte Signed Integer
            case 'int':       //    Integer
                return (int) $propertyValue;
                break;
            case 'ui1':       //    1-Byte Unsigned Integer
            case 'ui2':       //    2-Byte Unsigned Integer
            case 'ui4':       //    4-Byte Unsigned Integer
            case 'ui8':       //    8-Byte Unsigned Integer
            case 'uint':      //    Unsigned Integer
                return abs((int) $propertyValue);
                break;
            case 'r4':        //    4-Byte Real Number
            case 'r8':        //    8-Byte Real Number
            case 'decimal':   //    Decimal
                return (float) $propertyValue;
                break;
            case 'lpstr':     //    LPSTR
            case 'lpwstr':    //    LPWSTR
            case 'bstr':      //    Basic String
                return $propertyValue;
                break;
            case 'date':      //    Date and Time
            case 'filetime':  //    File Time
                return strtotime($propertyValue);
                break;
            case 'bool':     //    Boolean
                return ($propertyValue == 'true') ? true : false;
                break;
            case 'cy':       //    Currency
            case 'error':    //    Error Status Code
            case 'vector':   //    Vector
            case 'array':    //    Array
            case 'blob':     //    Binary Blob
            case 'oblob':    //    Binary Blob Object
            case 'stream':   //    Binary Stream
            case 'ostream':  //    Binary Stream Object
            case 'storage':  //    Binary Storage
            case 'ostorage': //    Binary Storage Object
            case 'vstream':  //    Binary Versioned Stream
            case 'clsid':    //    Class ID
            case 'cf':       //    Clipboard Data
                return $propertyValue;
                break;
        }
        return $propertyValue;
    }

    public static function convertPropertyType($propertyType)
    {
        switch ($propertyType) {
            case 'i1':       //    1-Byte Signed Integer
            case 'i2':       //    2-Byte Signed Integer
            case 'i4':       //    4-Byte Signed Integer
            case 'i8':       //    8-Byte Signed Integer
            case 'int':      //    Integer
            case 'ui1':      //    1-Byte Unsigned Integer
            case 'ui2':      //    2-Byte Unsigned Integer
            case 'ui4':      //    4-Byte Unsigned Integer
            case 'ui8':      //    8-Byte Unsigned Integer
            case 'uint':     //    Unsigned Integer
                return self::PROPERTY_TYPE_INTEGER;
                break;
            case 'r4':       //    4-Byte Real Number
            case 'r8':       //    8-Byte Real Number
            case 'decimal':  //    Decimal
                return self::PROPERTY_TYPE_FLOAT;
                break;
            case 'empty':    //    Empty
            case 'null':     //    Null
            case 'lpstr':    //    LPSTR
            case 'lpwstr':   //    LPWSTR
            case 'bstr':     //    Basic String
                return self::PROPERTY_TYPE_STRING;
                break;
            case 'date':     //    Date and Time
            case 'filetime': //    File Time
                return self::PROPERTY_TYPE_DATE;
                break;
            case 'bool':     //    Boolean
                return self::PROPERTY_TYPE_BOOLEAN;
                break;
            case 'cy':       //    Currency
            case 'error':    //    Error Status Code
            case 'vector':   //    Vector
            case 'array':    //    Array
            case 'blob':     //    Binary Blob
            case 'oblob':    //    Binary Blob Object
            case 'stream':   //    Binary Stream
            case 'ostream':  //    Binary Stream Object
            case 'storage':  //    Binary Storage
            case 'ostorage': //    Binary Storage Object
            case 'vstream':  //    Binary Versioned Stream
            case 'clsid':    //    Class ID
            case 'cf':       //    Clipboard Data
                return self::PROPERTY_TYPE_UNKNOWN;
                break;
        }
        return self::PROPERTY_TYPE_UNKNOWN;
    }
}