2015-09-01 10:19:27 +00:00
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<a href="../modules/luci.dispatcher.html">luci.dispatcher</a>
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2015-09-01 14:44:59 +00:00
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2015-09-01 10:19:27 +00:00
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2018-04-30 12:45:25 +00:00
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<a href="../modules/luci.http.conditionals.html">luci.http.conditionals</a>
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2015-09-01 10:19:27 +00:00
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2018-04-30 12:45:25 +00:00
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<a href="../modules/luci.http.date.html">luci.http.date</a>
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2015-09-01 10:19:27 +00:00
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2018-04-30 12:45:25 +00:00
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<a href="../modules/luci.http.mime.html">luci.http.mime</a>
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2015-09-01 10:19:27 +00:00
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2015-09-01 14:44:59 +00:00
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2015-09-01 10:19:27 +00:00
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2015-09-01 14:44:59 +00:00
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2015-09-01 10:19:27 +00:00
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2015-09-01 14:44:59 +00:00
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2015-09-01 10:19:27 +00:00
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<li>
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<a href="../modules/nixio.html">nixio</a>
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<a href="../modules/nixio.CHANGELOG.html">nixio.CHANGELOG</a>
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<a href="../modules/nixio.CryptoHash.html">nixio.CryptoHash</a>
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<a href="../modules/nixio.File.html">nixio.File</a>
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<a href="../modules/nixio.README.html">nixio.README</a>
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<li>
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<a href="../modules/nixio.Socket.html">nixio.Socket</a>
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<li>
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<a href="../modules/nixio.TLSContext.html">nixio.TLSContext</a>
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<a href="../modules/nixio.TLSSocket.html">nixio.TLSSocket</a>
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<a href="../modules/nixio.UnifiedIO.html">nixio.UnifiedIO</a>
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<a href="../modules/nixio.bin.html">nixio.bin</a>
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<li><strong>nixio.bit</strong></li>
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<li>
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<a href="../modules/nixio.crypto.html">nixio.crypto</a>
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<li>
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<a href="../modules/nixio.fs.html">nixio.fs</a>
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</ul>
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<!-- File list -->
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</div><!-- id="navigation" -->
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<div id="content">
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<h1>Class <code>nixio.bit</code></h1>
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<p>
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Bitfield operators and mainpulation functions.
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Can be used as a drop-in replacement for bitlib.</p>
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<h2>Functions</h2>
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<table class="function_list">
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<tr>
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<td class="name" nowrap><a href="#arshift">arshift</a> (oper, shift)</td>
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<td class="summary">
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Arithmetically right shift a number.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#band">band</a> (oper1, oper2, ...)</td>
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<td class="summary">
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Bitwise AND several numbers.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#bnot">bnot</a> (oper)</td>
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<td class="summary">
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Invert given number.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#bor">bor</a> (oper1, oper2, ...)</td>
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<td class="summary">
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Bitwise OR several numbers.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#bxor">bxor</a> (oper1, oper2, ...)</td>
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<td class="summary">
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Bitwise XOR several numbers.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#cast">cast</a> (oper)</td>
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<td class="summary">
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Cast a number to the bit-operating range.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#check">check</a> (bitfield, flag1, ...)</td>
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<td class="summary">
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Checks whether given flags are set in a bitfield.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#div">div</a> (oper1, oper2, ...)</td>
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<td class="summary">
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Integer division of 2 or more numbers.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#lshift">lshift</a> (oper, shift)</td>
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<td class="summary">
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Left shift a number.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#rshift">rshift</a> (oper, shift)</td>
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<td class="summary">
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Right shift a number.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#set">set</a> (bitfield, flag1, ...)</td>
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<td class="summary">
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Sets one or more flags of a bitfield.</td>
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</tr>
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<tr>
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<td class="name" nowrap><a href="#unset">unset</a> (bitfield, flag1, ...)</td>
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<td class="summary">
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Unsets one or more flags of a bitfield.</td>
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</tr>
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</table>
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<br/>
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<br/>
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<h2><a name="functions"></a>Functions</h2>
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<dl class="function">
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<dt><a name="arshift"></a><strong>arshift</strong> (oper, shift)</dt>
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<dd>
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Arithmetically right shift a number.
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<h3>Parameters</h3>
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<ul>
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<li>
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oper: number
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</li>
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<li>
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shift: bits to shift
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</li>
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</ul>
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<h3>Return value:</h3>
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number
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</dd>
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<dt><a name="band"></a><strong>band</strong> (oper1, oper2, ...)</dt>
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<dd>
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Bitwise AND several numbers.
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<h3>Parameters</h3>
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<ul>
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<li>
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oper1: First Operand
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</li>
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<li>
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oper2: Second Operand
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</li>
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<li>
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...: More Operands
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</li>
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</ul>
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|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
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|
<dt><a name="bnot"></a><strong>bnot</strong> (oper)</dt>
|
|
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|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Invert given number.
|
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|
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|
|
<h3>Parameters</h3>
|
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|
|
<ul>
|
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|
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|
|
|
|
<li>
|
|
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|
|
oper: Operand
|
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|
</li>
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|
|
</ul>
|
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|
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|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
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|
|
|
|
|
|
|
|
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|
</dd>
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|
<dt><a name="bor"></a><strong>bor</strong> (oper1, oper2, ...)</dt>
|
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|
<dd>
|
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|
Bitwise OR several numbers.
|
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|
|
<h3>Parameters</h3>
|
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|
|
<ul>
|
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|
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|
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|
|
<li>
|
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|
|
oper1: First Operand
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|
</li>
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<li>
|
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|
oper2: Second Operand
|
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|
</li>
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<li>
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|
...: More Operands
|
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|
</li>
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|
</ul>
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|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
</dd>
|
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|
<dt><a name="bxor"></a><strong>bxor</strong> (oper1, oper2, ...)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Bitwise XOR several numbers.
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper1: First Operand
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
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|
|
oper2: Second Operand
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
...: More Operands
|
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|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="cast"></a><strong>cast</strong> (oper)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Cast a number to the bit-operating range.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper: number
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="check"></a><strong>check</strong> (bitfield, flag1, ...)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Checks whether given flags are set in a bitfield.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
bitfield: Bitfield
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
flag1: First Flag
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
...: More Flags
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
true when all flags are set, otherwise false
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="div"></a><strong>div</strong> (oper1, oper2, ...)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Integer division of 2 or more numbers.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper1: Operand 1
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper2: Operand 2
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
...: More Operands
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="lshift"></a><strong>lshift</strong> (oper, shift)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Left shift a number.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper: number
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
shift: bits to shift
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="rshift"></a><strong>rshift</strong> (oper, shift)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Right shift a number.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
oper: number
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
shift: bits to shift
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
number
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="set"></a><strong>set</strong> (bitfield, flag1, ...)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Sets one or more flags of a bitfield.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
bitfield: Bitfield
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
flag1: First Flag
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
...: More Flags
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
altered bitfield
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<dt><a name="unset"></a><strong>unset</strong> (bitfield, flag1, ...)</dt>
|
|
|
|
|
<dd>
|
|
|
|
|
|
|
|
|
|
Unsets one or more flags of a bitfield.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Parameters</h3>
|
|
|
|
|
<ul>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
bitfield: Bitfield
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
flag1: First Flag
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
<li>
|
|
|
|
|
...: More Flags
|
|
|
|
|
</li>
|
|
|
|
|
|
|
|
|
|
</ul>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h3>Return value:</h3>
|
|
|
|
|
altered bitfield
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</div> <!-- id="content" -->
|
|
|
|
|
|
|
|
|
|
</div> <!-- id="main" -->
|
|
|
|
|
|
|
|
|
|
<div id="about">
|
|
|
|
|
<p><a href="http://validator.w3.org/check?uri=referer"><img src="http://www.w3.org/Icons/valid-xhtml10" alt="Valid XHTML 1.0!" height="31" width="88" /></a></p>
|
|
|
|
|
</div> <!-- id="about" -->
|
|
|
|
|
|
|
|
|
|
</div> <!-- id="container" -->
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
