File: commandline.C.html

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rudiments 0.31-2
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<pre>
<font color="#0000ff">// Copyright (c) 2001  David Muse</font>
<font color="#0000ff">// See the file COPYING for more information</font>

<font color="#a020f0">#include </font><font color="#ff00ff">&lt;rudiments/commandline.h&gt;</font>
<font color="#a020f0">#include </font><font color="#ff00ff">&lt;rudiments/charstring.h&gt;</font>
<font color="#a020f0">#include </font><font color="#ff00ff">&lt;stdio.h&gt;</font>
<font color="#a020f0">#include </font><font color="#ff00ff">&lt;stdlib.h&gt;</font>

<font color="#a020f0">#ifdef RUDIMENTS_NAMESPACE</font>
<font color="#a52a2a"><b>using</b></font> <font color="#2e8b57"><b>namespace</b></font> rudiments;
<font color="#a020f0">#endif</font>

<font color="#2e8b57"><b>int</b></font> main(<font color="#2e8b57"><b>int</b></font> argc, <font color="#2e8b57"><b>const</b></font> <font color="#2e8b57"><b>char</b></font> **argv) {

        commandline     cmdline(argc,argv);

        <font color="#0000ff">// if -help was specified, display a usage message</font>
        <font color="#a52a2a"><b>if</b></font> (cmdline.found(<font color="#ff00ff">&quot;-help&quot;</font>)) {
                printf(<font color="#ff00ff">&quot;usage:  divide -divisor number -dividend number</font><font color="#6a5acd">\n</font><font color="#ff00ff">&quot;</font>);
                exit(<font color="#ff00ff">0</font>);
        }

        <font color="#0000ff">// If -divisor and -dividend are supplied, use them.  Otherwise</font>
        <font color="#0000ff">// display an error message.</font>
        <font color="#a52a2a"><b>if</b></font> (cmdline.found(<font color="#ff00ff">&quot;-divisor&quot;</font>) &amp;&amp; cmdline.found(<font color="#ff00ff">&quot;-dividend&quot;</font>)) {
                <font color="#2e8b57"><b>double</b></font>        divisor=charstring::toFloat(
                                        cmdline.getValue(<font color="#ff00ff">&quot;-divisor&quot;</font>));
                <font color="#2e8b57"><b>double</b></font>        dividend=charstring::toFloat(
                                        cmdline.getValue(<font color="#ff00ff">&quot;-dividend&quot;</font>));
                printf(<font color="#ff00ff">&quot;</font><font color="#6a5acd">%0.2f</font><font color="#6a5acd">\n</font><font color="#ff00ff">&quot;</font>,divisor/dividend);
        } <font color="#a52a2a"><b>else</b></font> {
                printf(<font color="#ff00ff">&quot;You must supply a divisor and a dividend.</font><font color="#6a5acd">\n</font><font color="#ff00ff">&quot;</font>);
        }
}
</pre>