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<h1>Source for file PelEntryNumber.php</h1>
<p>Documentation is available at <a href="../PEL/_PelEntryNumber.php.html">PelEntryNumber.php</a></p>
<div class="src-code">
<div class="src-code"><ol><li><div class="src-line"><a name="a1"></a><span class="src-php"><?php</span></div></li>
<li><div class="src-line"><a name="a2"></a> </div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-comm">/* PEL: PHP Exif Library. A library with support for reading and</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-comm"> * writing all Exif headers in JPEG and TIFF images using PHP.</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-comm"> * Copyright (C) 2004, 2005, 2006 Martin Geisler.</span></div></li>
<li><div class="src-line"><a name="a7"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a8"></a><span class="src-comm"> * This program is free software; you can redistribute it and/or modify</span></div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-comm"> * it under the terms of the GNU General Public License as published by</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-comm"> * the Free Software Foundation; either version 2 of the License, or</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-comm"> * (at your option) any later version.</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-comm"> * This program is distributed in the hope that it will be useful,</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-comm"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-comm"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-comm"> * GNU General Public License for more details.</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-comm"> *</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-comm"> * You should have received a copy of the GNU General Public License</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-comm"> * along with this program in the file COPYING; if not, write to the</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-comm"> * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-comm"> * Boston, MA 02110-1301 USA</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-comm"> */</span></div></li>
<li><div class="src-line"><a name="a23"></a> </div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">/* $Id: PelEntryNumber.php 419 2006-02-20 16:22:36Z mgeisler $ */</span></div></li>
<li><div class="src-line"><a name="a25"></a> </div></li>
<li><div class="src-line"><a name="a26"></a> </div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-doc"> * Abstract class for numbers.</span></div></li>
<li><div class="src-line"><a name="a29"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a30"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a31"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@version</span><span class="src-doc"> $Revision: 419 $</span></div></li>
<li><div class="src-line"><a name="a32"></a><span class="src-doc"> * </span><span class="src-doc-tag">@date</span><span class="src-doc"> $Date: 2006-02-20 17:22:36 +0100 (Mon, 20 Feb 2006) $</span></div></li>
<li><div class="src-line"><a name="a33"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@license</span><span class="src-doc"> http://www.gnu.org/licenses/gpl.html GNU General Public</span></div></li>
<li><div class="src-line"><a name="a34"></a><span class="src-doc"> * License (GPL)</span></div></li>
<li><div class="src-line"><a name="a35"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> PEL</span></div></li>
<li><div class="src-line"><a name="a36"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a37"></a> </div></li>
<li><div class="src-line"><a name="a38"></a><span class="src-doc">/**#@+ Required class definitions. */</span></div></li>
<li><div class="src-line"><a name="a39"></a><span class="src-inc">require_once</span><span class="src-sym">(</span><span class="src-str">'PelException.php'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a40"></a><span class="src-inc">require_once</span><span class="src-sym">(</span><span class="src-str">'PelEntry.php'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a41"></a><span class="src-doc-close-template">/**#@-*/</span></div></li>
<li><div class="src-line"><a name="a42"></a> </div></li>
<li><div class="src-line"><a name="a43"></a> </div></li>
<li><div class="src-line"><a name="a44"></a><span class="src-doc-template"> * Exception cast when numbers overflow.</span></div></li>
<li><div class="src-line"><a name="a45"></a><span class="src-doc-template"> *</span></div></li>
<li><div class="src-line"><a name="a46"></a><span class="src-doc-template"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc-template"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a47"></a><span class="src-doc-template"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc-template"> PEL</span></div></li>
<li><div class="src-line"><a name="a48"></a><span class="src-doc-template"> * </span><span class="src-doc-coretag">@subpackage</span><span class="src-doc-template"> Exception</span></div></li>
<li><div class="src-line"><a name="a50"></a><span class="src-doc-template"> */</span></div></li>
<li><div class="src-line"><a name="a51"></a><span class="src-key">class </span><a href="../PEL/Exception/PelOverflowException.html">PelOverflowException</a> <span class="src-key">extends </span><a href="../PEL/Exception/PelException.html">PelException</a> <span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a52"></a> </div></li>
<li><div class="src-line"><a name="a53"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a54"></a><span class="src-doc"> * Construct a new overflow exception.</span></div></li>
<li><div class="src-line"><a name="a55"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a56"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc">the value that is out of range.</span></div></li>
<li><div class="src-line"><a name="a57"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a58"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc">the minimum allowed value.</span></div></li>
<li><div class="src-line"><a name="a59"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a60"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc">the maximum allowed value.</span></div></li>
<li><div class="src-line"><a name="a61"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a62"></a> <span class="src-key">function </span><a href="../PEL/Exception/PelOverflowException.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-var">$v</span><span class="src-sym">, </span><span class="src-var">$min</span><span class="src-sym">, </span><span class="src-var">$max</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a63"></a> <span class="src-id">parent</span><span class="src-sym">::</span><a href="../PEL/Exception/PelException.html#method__construct">__construct</a><span class="src-sym">(</span><span class="src-str">'Value %.0f out of range [%.0f, %.0f]'</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a64"></a> <span class="src-var">$v</span><span class="src-sym">, </span><span class="src-var">$min</span><span class="src-sym">, </span><span class="src-var">$max</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a65"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a66"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a67"></a> </div></li>
<li><div class="src-line"><a name="a68"></a> </div></li>
<li><div class="src-line"><a name="a69"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a70"></a><span class="src-doc"> * Class for holding numbers.</span></div></li>
<li><div class="src-line"><a name="a71"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a72"></a><span class="src-doc"> * This class can hold numbers, with range checks.</span></div></li>
<li><div class="src-line"><a name="a73"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a74"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Martin Geisler <hide@address.com></span></div></li>
<li><div class="src-line"><a name="a75"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> PEL</span></div></li>
<li><div class="src-line"><a name="a76"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a77"></a><span class="src-key">abstract </span><span class="src-key">class </span><a href="../PEL/PelEntryNumber.html">PelEntryNumber</a> <span class="src-key">extends </span><a href="../PEL/PelEntry.html">PelEntry</a> <span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a78"></a> </div></li>
<li><div class="src-line"><a name="a79"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a80"></a><span class="src-doc"> * The value held by this entry.</span></div></li>
<li><div class="src-line"><a name="a81"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a82"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@var </span><span class="src-doc-type">array </span></div></li>
<li><div class="src-line"><a name="a83"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a84"></a> <span class="src-key">protected </span><a href="../PEL/PelEntryNumber.html#var$value">$value</a> = <span class="src-key">array</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a85"></a> </div></li>
<li><div class="src-line"><a name="a86"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a87"></a><span class="src-doc"> * The minimum allowed value.</span></div></li>
<li><div class="src-line"><a name="a88"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a89"></a><span class="src-doc"> * Any attempt to change the value below this variable will result</span></div></li>
<li><div class="src-line"><a name="a90"></a><span class="src-doc"> * in a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> being thrown.</span></div></li>
<li><div class="src-line"><a name="a91"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a92"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@var </span><span class="src-doc-type">int </span></div></li>
<li><div class="src-line"><a name="a93"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a94"></a> <span class="src-key">protected </span><a href="../PEL/PelEntryNumber.html#var$min">$min</a><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a95"></a> </div></li>
<li><div class="src-line"><a name="a96"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a97"></a><span class="src-doc"> * The maximum allowed value.</span></div></li>
<li><div class="src-line"><a name="a98"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a99"></a><span class="src-doc"> * Any attempt to change the value over this variable will result in</span></div></li>
<li><div class="src-line"><a name="a100"></a><span class="src-doc"> * a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> being thrown.</span></div></li>
<li><div class="src-line"><a name="a101"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a102"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@var </span><span class="src-doc-type">int </span></div></li>
<li><div class="src-line"><a name="a103"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a104"></a> <span class="src-key">protected </span><a href="../PEL/PelEntryNumber.html#var$max">$max</a><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a105"></a> </div></li>
<li><div class="src-line"><a name="a106"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a107"></a><span class="src-doc"> * The dimension of the number held.</span></div></li>
<li><div class="src-line"><a name="a108"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a109"></a><span class="src-doc"> * Normal numbers have a dimension of one, pairs have a dimension of</span></div></li>
<li><div class="src-line"><a name="a110"></a><span class="src-doc"> * two, etc.</span></div></li>
<li><div class="src-line"><a name="a111"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a112"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@var </span><span class="src-doc-type">int </span></div></li>
<li><div class="src-line"><a name="a113"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a114"></a> <span class="src-key">protected </span><a href="../PEL/PelEntryNumber.html#var$dimension">$dimension</a> = <span class="src-num">1</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a115"></a> </div></li>
<li><div class="src-line"><a name="a116"></a> </div></li>
<li><div class="src-line"><a name="a117"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a118"></a><span class="src-doc"> * Change the value.</span></div></li>
<li><div class="src-line"><a name="a119"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a120"></a><span class="src-doc"> * This method can change both the number of components and the</span></div></li>
<li><div class="src-line"><a name="a121"></a><span class="src-doc"> * value of the components. Range checks will be made on the new</span></div></li>
<li><div class="src-line"><a name="a122"></a><span class="src-doc"> * value, and a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> will be thrown if the</span></div></li>
<li><div class="src-line"><a name="a123"></a><span class="src-doc"> * value is found to be outside the legal range.</span></div></li>
<li><div class="src-line"><a name="a124"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a125"></a><span class="src-doc"> * The method accept several number arguments. The </span><span class="src-doc-inlinetag">{@link getValue}</span></div></li>
<li><div class="src-line"><a name="a126"></a><span class="src-doc"> * method will always return an array except for when a single</span></div></li>
<li><div class="src-line"><a name="a127"></a><span class="src-doc"> * number is given here.</span></div></li>
<li><div class="src-line"><a name="a128"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a129"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int</span><span class="src-doc">|</span><span class="src-doc-type">array</span><span class="src-doc-var">$value... </span><span class="src-doc">the new value(s). This can be zero or</span></div></li>
<li><div class="src-line"><a name="a130"></a><span class="src-doc"> * more numbers, that is, either integers or arrays. The input will</span></div></li>
<li><div class="src-line"><a name="a131"></a><span class="src-doc"> * be checked to ensure that the numbers are within the valid range.</span></div></li>
<li><div class="src-line"><a name="a132"></a><span class="src-doc"> * If not, then a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> will be thrown.</span></div></li>
<li><div class="src-line"><a name="a133"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a134"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@see</span><span class="src-doc"> getValue</span></div></li>
<li><div class="src-line"><a name="a135"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a136"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodsetValue">setValue</a><span class="src-sym">(</span><span class="src-comm">/* $value... */</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a137"></a> <span class="src-var">$value </span>= <a href="http://www.php.net/func_get_args">func_get_args</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a138"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodsetValueArray">setValueArray</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a139"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a140"></a> </div></li>
<li><div class="src-line"><a name="a141"></a> </div></li>
<li><div class="src-line"><a name="a142"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a143"></a><span class="src-doc"> * Change the value.</span></div></li>
<li><div class="src-line"><a name="a144"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a145"></a><span class="src-doc"> * This method can change both the number of components and the</span></div></li>
<li><div class="src-line"><a name="a146"></a><span class="src-doc"> * value of the components. Range checks will be made on the new</span></div></li>
<li><div class="src-line"><a name="a147"></a><span class="src-doc"> * value, and a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> will be thrown if the</span></div></li>
<li><div class="src-line"><a name="a148"></a><span class="src-doc"> * value is found to be outside the legal range.</span></div></li>
<li><div class="src-line"><a name="a149"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a150"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc">the new values. The array must contain the new</span></div></li>
<li><div class="src-line"><a name="a151"></a><span class="src-doc"> * numbers.</span></div></li>
<li><div class="src-line"><a name="a152"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a153"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@see</span><span class="src-doc"> getValue</span></div></li>
<li><div class="src-line"><a name="a154"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a155"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodsetValueArray">setValueArray</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a156"></a> <span class="src-key">foreach </span><span class="src-sym">(</span><span class="src-var">$value </span><span class="src-key">as </span><span class="src-var">$v</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a157"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodvalidateNumber">validateNumber</a><span class="src-sym">(</span><span class="src-var">$v</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a158"></a> </div></li>
<li><div class="src-line"><a name="a159"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a> = <a href="http://www.php.net/count">count</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a160"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a> = <span class="src-var">$value</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a161"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a162"></a> </div></li>
<li><div class="src-line"><a name="a163"></a> </div></li>
<li><div class="src-line"><a name="a164"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a165"></a><span class="src-doc"> * Return the numeric value held.</span></div></li>
<li><div class="src-line"><a name="a166"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a167"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">int</span><span class="src-doc">|</span><span class="src-doc-type">array</span><span class="src-doc">this will either be a single number if there is</span></div></li>
<li><div class="src-line"><a name="a168"></a><span class="src-doc"> * only one component, or an array of numbers otherwise.</span></div></li>
<li><div class="src-line"><a name="a169"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a170"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodgetValue">getValue</a><span class="src-sym">(</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a171"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a> == <span class="src-num">1</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a172"></a> <span class="src-key">return </span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a173"></a> <span class="src-key">else</span></div></li>
<li><div class="src-line"><a name="a174"></a> <span class="src-key">return </span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a175"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a176"></a> </div></li>
<li><div class="src-line"><a name="a177"></a> </div></li>
<li><div class="src-line"><a name="a178"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a179"></a><span class="src-doc"> * Validate a number.</span></div></li>
<li><div class="src-line"><a name="a180"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a181"></a><span class="src-doc"> * This method will check that the number given is within the range</span></div></li>
<li><div class="src-line"><a name="a182"></a><span class="src-doc"> * given my </span><span class="src-doc-inlinetag">{@link getMin()}</span><span class="src-doc"> and </span><span class="src-doc-inlinetag">{@link getMax()}</span><span class="src-doc">, inclusive. If</span></div></li>
<li><div class="src-line"><a name="a183"></a><span class="src-doc"> * not, then a </span><span class="src-doc-inlinetag">{@link PelOverflowException}</span><span class="src-doc"> is thrown.</span></div></li>
<li><div class="src-line"><a name="a184"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a185"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int</span><span class="src-doc">|</span><span class="src-doc-type">array</span><span class="src-doc">the number in question.</span></div></li>
<li><div class="src-line"><a name="a186"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a187"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">void </span><span class="src-doc">nothing, but will throw a </span><span class="src-doc-inlinetag">{@link }</span></div></li>
<li><div class="src-line"><a name="a188"></a><span class="src-doc"> * PelOverflowException} if the number is found to be outside the</span></div></li>
<li><div class="src-line"><a name="a189"></a><span class="src-doc"> * legal range and </span><span class="src-doc-inlinetag">{@link Pel::$strict}</span><span class="src-doc"> is true.</span></div></li>
<li><div class="src-line"><a name="a190"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a191"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodvalidateNumber">validateNumber</a><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a192"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a> == <span class="src-num">1</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a193"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$n </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a> || <span class="src-var">$n </span>> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a194"></a> <span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodmaybeThrow">maybeThrow</a><span class="src-sym">(</span><span class="src-key">new </span><span class="src-id"><a href="../PEL/Exception/PelOverflowException.html">PelOverflowException</a></span><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a195"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a196"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a197"></a> <span class="src-sym">} </span><span class="src-key">else </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a198"></a> <span class="src-key">for </span><span class="src-sym">(</span><span class="src-var">$i </span>= <span class="src-num">0</span><span class="src-sym">; </span><span class="src-var">$i </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a><span class="src-sym">; </span><span class="src-var">$i</span>++<span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a199"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">] </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a> || <span class="src-var">$n</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">] </span>> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a200"></a> <span class="src-id"><a href="../PEL/Pel.html">Pel</a></span><span class="src-sym">::</span><a href="../PEL/Pel.html#methodmaybeThrow">maybeThrow</a><span class="src-sym">(</span><span class="src-key">new </span><span class="src-id"><a href="../PEL/Exception/PelOverflowException.html">PelOverflowException</a></span><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a201"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$min">min</a><span class="src-sym">,</span></div></li>
<li><div class="src-line"><a name="a202"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$max">max</a><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a203"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a204"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a205"></a> </div></li>
<li><div class="src-line"><a name="a206"></a> </div></li>
<li><div class="src-line"><a name="a207"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a208"></a><span class="src-doc"> * Add a number.</span></div></li>
<li><div class="src-line"><a name="a209"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a210"></a><span class="src-doc"> * This appends a number to the numbers already held by this entry,</span></div></li>
<li><div class="src-line"><a name="a211"></a><span class="src-doc"> * thereby increasing the number of components by one.</span></div></li>
<li><div class="src-line"><a name="a212"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a213"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int</span><span class="src-doc">|</span><span class="src-doc-type">array</span><span class="src-doc">the number to be added.</span></div></li>
<li><div class="src-line"><a name="a214"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a215"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodaddNumber">addNumber</a><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a216"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodvalidateNumber">validateNumber</a><span class="src-sym">(</span><span class="src-var">$n</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a217"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-sym">] </span>= <span class="src-var">$n</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a218"></a> <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a>++<span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a219"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a220"></a> </div></li>
<li><div class="src-line"><a name="a221"></a> </div></li>
<li><div class="src-line"><a name="a222"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a223"></a><span class="src-doc"> * Convert a number into bytes.</span></div></li>
<li><div class="src-line"><a name="a224"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a225"></a><span class="src-doc"> * The concrete subclasses will have to implement this method so</span></div></li>
<li><div class="src-line"><a name="a226"></a><span class="src-doc"> * that the numbers represented can be turned into bytes.</span></div></li>
<li><div class="src-line"><a name="a227"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a228"></a><span class="src-doc"> * The method will be called once for each number held by the entry.</span></div></li>
<li><div class="src-line"><a name="a229"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a230"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc">the number that should be converted.</span></div></li>
<li><div class="src-line"><a name="a231"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a232"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">PelByteOrder </span><span class="src-doc">one of </span><span class="src-doc-inlinetag">{@link PelConvert::LITTLE_ENDIAN}</span><span class="src-doc"> and</span></div></li>
<li><div class="src-line"><a name="a233"></a><span class="src-doc"> * </span><span class="src-doc-inlinetag">{@link PelConvert::BIG_ENDIAN}</span><span class="src-doc">, specifying the target byte order.</span></div></li>
<li><div class="src-line"><a name="a234"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a235"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">bytes representing the number given.</span></div></li>
<li><div class="src-line"><a name="a236"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a237"></a> <span class="src-key">abstract </span><span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodnumberToBytes">numberToBytes</a><span class="src-sym">(</span><span class="src-var">$number</span><span class="src-sym">, </span><span class="src-var">$order</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a238"></a> </div></li>
<li><div class="src-line"><a name="a239"></a> </div></li>
<li><div class="src-line"><a name="a240"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a241"></a><span class="src-doc"> * Turn this entry into bytes.</span></div></li>
<li><div class="src-line"><a name="a242"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a243"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">PelByteOrder </span><span class="src-doc">the desired byte order, which must be either</span></div></li>
<li><div class="src-line"><a name="a244"></a><span class="src-doc"> * </span><span class="src-doc-inlinetag">{@link PelConvert::LITTLE_ENDIAN}</span><span class="src-doc"> or </span><span class="src-doc-inlinetag">{@link }</span></div></li>
<li><div class="src-line"><a name="a245"></a><span class="src-doc"> * PelConvert::BIG_ENDIAN}.</span></div></li>
<li><div class="src-line"><a name="a246"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a247"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">bytes representing this entry.</span></div></li>
<li><div class="src-line"><a name="a248"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a249"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodgetBytes">getBytes</a><span class="src-sym">(</span><span class="src-var">$o</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a250"></a> <span class="src-var">$bytes </span>= <span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a251"></a> <span class="src-key">for </span><span class="src-sym">(</span><span class="src-var">$i </span>= <span class="src-num">0</span><span class="src-sym">; </span><span class="src-var">$i </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a><span class="src-sym">; </span><span class="src-var">$i</span>++<span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a252"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a> == <span class="src-num">1</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a253"></a> <span class="src-var">$bytes </span>.= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodnumberToBytes">numberToBytes</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">, </span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a254"></a> <span class="src-sym">} </span><span class="src-key">else </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a255"></a> <span class="src-key">for </span><span class="src-sym">(</span><span class="src-var">$j </span>= <span class="src-num">0</span><span class="src-sym">; </span><span class="src-var">$j </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$dimension">dimension</a><span class="src-sym">; </span><span class="src-var">$j</span>++<span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a256"></a> <span class="src-var">$bytes </span>.= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodnumberToBytes">numberToBytes</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">[</span><span class="src-var">$j</span><span class="src-sym">]</span><span class="src-sym">, </span><span class="src-var">$o</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a257"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a258"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a259"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a260"></a> <span class="src-key">return </span><span class="src-var">$bytes</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a261"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a262"></a> </div></li>
<li><div class="src-line"><a name="a263"></a> </div></li>
<li><div class="src-line"><a name="a264"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a265"></a><span class="src-doc"> * Format a number.</span></div></li>
<li><div class="src-line"><a name="a266"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a267"></a><span class="src-doc"> * This method is called by </span><span class="src-doc-inlinetag">{@link getText}</span><span class="src-doc"> to format numbers.</span></div></li>
<li><div class="src-line"><a name="a268"></a><span class="src-doc"> * Subclasses should override this method if they need more</span></div></li>
<li><div class="src-line"><a name="a269"></a><span class="src-doc"> * sophisticated behavior than the default, which is to just return</span></div></li>
<li><div class="src-line"><a name="a270"></a><span class="src-doc"> * the number as is.</span></div></li>
<li><div class="src-line"><a name="a271"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a272"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc">the number which will be formatted.</span></div></li>
<li><div class="src-line"><a name="a273"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a274"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">it could be that there is both a verbose and a</span></div></li>
<li><div class="src-line"><a name="a275"></a><span class="src-doc"> * brief formatting available, and this argument controls that.</span></div></li>
<li><div class="src-line"><a name="a276"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a277"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the number formatted as a string suitable for</span></div></li>
<li><div class="src-line"><a name="a278"></a><span class="src-doc"> * display.</span></div></li>
<li><div class="src-line"><a name="a279"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a280"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodformatNumber">formatNumber</a><span class="src-sym">(</span><span class="src-var">$number</span><span class="src-sym">, </span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a281"></a> <span class="src-key">return </span><span class="src-var">$number</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a282"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a283"></a> </div></li>
<li><div class="src-line"><a name="a284"></a> </div></li>
<li><div class="src-line"><a name="a285"></a> <span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a286"></a><span class="src-doc"> * Get the numeric value of this entry as text.</span></div></li>
<li><div class="src-line"><a name="a287"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a288"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">boolean </span><span class="src-doc">use brief output? The numbers will be separated</span></div></li>
<li><div class="src-line"><a name="a289"></a><span class="src-doc"> * by a single space if brief output is requested, otherwise a space</span></div></li>
<li><div class="src-line"><a name="a290"></a><span class="src-doc"> * and a comma will be used.</span></div></li>
<li><div class="src-line"><a name="a291"></a><span class="src-doc"> *</span></div></li>
<li><div class="src-line"><a name="a292"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">the numbers(s) held by this entry.</span></div></li>
<li><div class="src-line"><a name="a293"></a><span class="src-doc"> */</span></div></li>
<li><div class="src-line"><a name="a294"></a> <span class="src-key">function </span><a href="../PEL/PelEntryNumber.html#methodgetText">getText</a><span class="src-sym">(</span><span class="src-var">$brief </span>= <span class="src-id">false</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a295"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a> == <span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a296"></a> <span class="src-key">return </span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a297"></a> </div></li>
<li><div class="src-line"><a name="a298"></a> <span class="src-var">$str </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodformatNumber">formatNumber</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a299"></a> <span class="src-key">for </span><span class="src-sym">(</span><span class="src-var">$i </span>= <span class="src-num">1</span><span class="src-sym">; </span><span class="src-var">$i </span>< <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntry.html#var$components">components</a><span class="src-sym">; </span><span class="src-var">$i</span>++<span class="src-sym">) </span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a300"></a> <span class="src-var">$str </span>.= <span class="src-sym">(</span><span class="src-var">$brief </span>? <span class="src-str">' ' </span>: <span class="src-str">', '</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a301"></a> <span class="src-var">$str </span>.= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#methodformatNumber">formatNumber</a><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../PEL/PelEntryNumber.html#var$value">value</a><span class="src-sym">[</span><span class="src-var">$i</span><span class="src-sym">]</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a302"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a303"></a> </div></li>
<li><div class="src-line"><a name="a304"></a> <span class="src-key">return </span><span class="src-var">$str</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a305"></a> <span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a306"></a> </div></li>
<li><div class="src-line"><a name="a307"></a><span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a308"></a> </div></li>
<li><div class="src-line"><a name="a309"></a><span class="src-php">?></span></div></li>
</ol></div>
</div>
<p class="notes" id="credit">
Documentation generated on Tue, 19 Dec 2006 01:08:20 +0100 by <a href="http://www.phpdoc.org" target="_blank">phpDocumentor 1.3.0</a>
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