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<div id="projectname">libdap++ <span id="projectnumber">Updated for version 3.8.2</span></div>
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<h1>util.cc File Reference</h1> </div>
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<div class="textblock"><code>#include "<a class="el" href="config_8h_source.html">config.h</a>"</code><br/>
<code>#include <cassert></code><br/>
<code>#include <cstring></code><br/>
<code>#include <ctype.h></code><br/>
<code>#include <time.h></code><br/>
<code>#include <unistd.h></code><br/>
<code>#include <sys/types.h></code><br/>
<code>#include <sys/stat.h></code><br/>
<code>#include <string></code><br/>
<code>#include <sstream></code><br/>
<code>#include <vector></code><br/>
<code>#include <algorithm></code><br/>
<code>#include <stdexcept></code><br/>
<code>#include "<a class="el" href="BaseType_8h_source.html">BaseType.h</a>"</code><br/>
<code>#include "<a class="el" href="Str_8h_source.html">Str.h</a>"</code><br/>
<code>#include "<a class="el" href="Url_8h_source.html">Url.h</a>"</code><br/>
<code>#include "<a class="el" href="Sequence_8h_source.html">Sequence.h</a>"</code><br/>
<code>#include "<a class="el" href="Error_8h_source.html">Error.h</a>"</code><br/>
<code>#include "<a class="el" href="parser_8h_source.html">parser.h</a>"</code><br/>
<code>#include "<a class="el" href="util_8h_source.html">util.h</a>"</code><br/>
<code>#include "GNURegex.h"</code><br/>
<code>#include "<a class="el" href="debug_8h_source.html">debug.h</a>"</code><br/>
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Include dependency graph for util.cc:</div>
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<p><a href="util_8cc_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="namespaces"></a>
Namespaces</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html">libdap</a></td></tr>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#affccb78f3a718e01f5fac17b682430d1">libdap::dap_version</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a7edce266869606fc7bb46124f8d63809">libdap::downcase</a> (string &s)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#aed6073fcecd8d82a616f4d2de9a8e591">libdap::file_to_string</a> (FILE *fp)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#af5f0e11f33c1eb25b831c02d65b2a9ee">libdap::is_quoted</a> (const string &s)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a218c76777bb3b1a6088a5d9f431fd3f0">libdap::libdap_name</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#aa410c0b58527efed5753f9f2da1b9775">libdap::libdap_root</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a3c2e481465a4567eaf6d1f22d84c0ef9">libdap::libdap_version</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a38d9163360ace25ebe5dec96b17039ac">libdap::path_to_filename</a> (string path)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a4b1fc86f3e9e75f967ad66f07962d406">libdap::prune_spaces</a> (const string &name)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a37a24fcba1630ac658ec4c8a902dd92c">libdap::remove_quotes</a> (const string &s)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#aa865553d4933d667330f305dcb2564b0">libdap::systime</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#afabf64c5d4c1900f1c05ac655895f7ee">libdap::unique_names</a> (vector< BaseType * > l, const string &var_name, const string &type_name, string &msg)</td></tr>
<tr><td colspan="2"><div class="groupHeader">Integer to string conversion functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>Fast, safe conversions from long to a character representation which gets appended to a string. This method will take a long value 'val' and it will recursively divide it by 'base' in order to "extract" one by one the digits which compose it; these digits will be <em>appended</em> to the string <code>str_val</code> which will become the textual representation of 'val'. Please notice that the digits ``extracted'' from `val' will vary depending on the base chosen for the conversion; for example val=15 converted to base 10 will yield the digits (1,5), converted to base 16 will yield (F) and converted to base 2 will yield (1,1,1,1).</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">val</td><td>The long value we which to convert to string.</td></tr>
<tr><td class="paramname">base</td><td>A value in the range [2,36] which is the base to use while transforming the long value 'val' to its textual representation. Typical bases are 2 (binary), 10 (decimal) and 16 (hexadecimal).</td></tr>
<tr><td class="paramname">str_val</td><td>This is the string that will hold the textual representation of 'val'. The string <code>str_val</code> should be pre-set to an empty string ("") otherwise the output of this function will just append the textual representation of val to whatever data is there; these feature may be useful if you wish to append a long value to a string s1 (just like operator+ does) without having to create a new string object s2 and then use string::operator+ between s1 and s2.</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>void. This method returns nothing however be aware that it will throw and exception of type <code>std::invalid_argument</code> if the parameter base is not in the valid range. </dd></dl>
</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a576580781bca7dcd4b5a84cc06892aff">libdap::append_long_to_string</a> (long val, int base, string &str_val)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a317edea830aab50d2137a5bd313cc86a">libdap::long_to_string</a> (long val, int base)</td></tr>
<tr><td colspan="2"><div class="groupHeader">Double to string conversion functions</div></td></tr>
<tr><td colspan="2"><div class="groupText"><p>Conversions from double to a character representation which gets appended to a string. This function depends on the standard routine sprintf to convert a double to a textual representation which gets appended to the string 'str'.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">num</td><td>The double you wish to append to str.</td></tr>
<tr><td class="paramname">str</td><td>The string where the textual representation of num will be appended.</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>void. </dd></dl>
</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a385e0e3c04caef28126afb481f4867dd">libdap::append_double_to_string</a> (const double &num, string &str)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a7c3f898946a0ae498f4ca830731cc474">libdap::double_to_string</a> (const double &num)</td></tr>
<tr><td colspan="2"><div class="groupHeader">Security functions</div></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a36c4fc80766718669c9790c6cb20c895">libdap::size_ok</a> (unsigned int sz, unsigned int nelem)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">sanitize the size of an array. Test for integer overflow when dynamically allocating an array. <a href="#a36c4fc80766718669c9790c6cb20c895"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacelibdap.html#a7c34f89476954f3a2fd0eaa1d1e8cd32">libdap::pathname_ok</a> (const string &path, bool strict)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Does the string name a potentailly valid pathname? Test the given pathname to verfiy that it is a valid name. We define this as: Contains only printable characters; and Is less then 256 characters. If <em>strict</em> is true, test that the pathname consists of only letters, digits, and underscore, dash and dot characters instead of the more general case where a pathname can be composed of any printable characters. <a href="#a7c34f89476954f3a2fd0eaa1d1e8cd32"></a><br/></td></tr>
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