<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Type style_t</title> <link rel="stylesheet" href="../../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../../program_options/reference.html#header.boost.program_options.cmdline_hpp" title="Header <boost/program_options/cmdline.hpp>"> <link rel="prev" href="../../../program_options/reference.html" title="Reference"> <link rel="next" href="../../environment_iterator.html" title="Class environment_iterator"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> <td align="center"><a href="../../../../../index.html">Home</a></td> <td 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name="boost.program_options.command_line_style.style_t"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Type style_t</span></h2> <p>boost::program_options::command_line_style::style_t</p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="emphasis"><em>// In header: <<a class="link" href="../../../program_options/reference.html#header.boost.program_options.cmdline_hpp" title="Header <boost/program_options/cmdline.hpp>">boost/program_options/cmdline.hpp</a>> </em></span> <span class="bold"><strong>enum</strong></span> style_t { <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_long">allow_long</a> = 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_short">allow_short</a> = allow_long << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_dash_for_short">allow_dash_for_short</a> = allow_short << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_slash_for_short">allow_slash_for_short</a> = allow_dash_for_short << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.long_allow_adjacent">long_allow_adjacent</a> = allow_slash_for_short << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.long_allow_next">long_allow_next</a> = long_allow_adjacent << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.short_allow_adjacent">short_allow_adjacent</a> = long_allow_next << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.short_allow_next">short_allow_next</a> = short_allow_adjacent << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_sticky">allow_sticky</a> = short_allow_next << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_guessing">allow_guessing</a> = allow_sticky << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.long_case_insensitive">long_case_insensitive</a> = allow_guessing << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.short_case_insensitive">short_case_insensitive</a> = long_case_insensitive << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.case_insensitive">case_insensitive</a> = (long_case_insensitive | short_case_insensitive), <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.allow_long_disguise">allow_long_disguise</a> = short_case_insensitive << 1, <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.unix_style">unix_style</a> = (allow_short | short_allow_adjacent | short_allow_next | allow_long | long_allow_adjacent | long_allow_next | allow_sticky | allow_guessing | allow_dash_for_short), <a class="link" href="style_t.html#boost.program_options.command_line_style.style_t.default_style">default_style</a> = unix_style };</pre></div> <div class="refsect1" title="Description"> <a name="id1421986"></a><h2>Description</h2> <p>Various possible styles of options.</p> <p>There are "long" options, which start with "--" and "short", which start with either "-" or "/". Both kinds can be allowed or disallowed, see allow_long and allow_short. The allowed character for short options is also configurable.</p> <p>Option's value can be specified in the same token as name ("--foo=bar"), or in the next token.</p> <p>It's possible to introduce long options by the same character as short options, see allow_long_disguise.</p> <p>Finally, guessing (specifying only prefix of option) and case insensitive processing are supported. </p> <div class="variablelist"><dl> <dt><span class="term"><code class="computeroutput">allow_long</code><a name="boost.program_options.command_line_style.style_t.allow_long"></a></span></dt> <dd>Allow "--long_name" style. </dd> <dt><span class="term"><code class="computeroutput">allow_short</code><a name="boost.program_options.command_line_style.style_t.allow_short"></a></span></dt> <dd>Allow "-<single character" style. </dd> <dt><span class="term"><code class="computeroutput">allow_dash_for_short</code><a name="boost.program_options.command_line_style.style_t.allow_dash_for_short"></a></span></dt> <dd>Allow "-" in short options. </dd> <dt><span class="term"><code class="computeroutput">allow_slash_for_short</code><a name="boost.program_options.command_line_style.style_t.allow_slash_for_short"></a></span></dt> <dd>Allow "/" in short options. </dd> <dt><span class="term"><code class="computeroutput">long_allow_adjacent</code><a name="boost.program_options.command_line_style.style_t.long_allow_adjacent"></a></span></dt> <dd><p>Allow option parameter in the same token for long option, like in <span style="color: red"><verbatim> --foo=10 </verbatim></span> </p></dd> <dt><span class="term"><code class="computeroutput">long_allow_next</code><a name="boost.program_options.command_line_style.style_t.long_allow_next"></a></span></dt> <dd><p>Allow option parameter in the next token for long options. </p></dd> <dt><span class="term"><code class="computeroutput">short_allow_adjacent</code><a name="boost.program_options.command_line_style.style_t.short_allow_adjacent"></a></span></dt> <dd><p>Allow option parameter in the same token for short options. </p></dd> <dt><span class="term"><code class="computeroutput">short_allow_next</code><a name="boost.program_options.command_line_style.style_t.short_allow_next"></a></span></dt> <dd><p>Allow option parameter in the next token for short options. </p></dd> <dt><span class="term"><code class="computeroutput">allow_sticky</code><a name="boost.program_options.command_line_style.style_t.allow_sticky"></a></span></dt> <dd><p>Allow to merge several short options together, so that "-s -k" become "-sk". All of the options but last should accept no parameter. For example, if "-s" accept a parameter, then "k" will be taken as parameter, not another short option. Dos-style short options cannot be sticky. </p></dd> <dt><span class="term"><code class="computeroutput">allow_guessing</code><a name="boost.program_options.command_line_style.style_t.allow_guessing"></a></span></dt> <dd><p>Allow abbreviated spellings for long options, if they unambiguously identify long option. No long option name should be prefix of other long option name if guessing is in effect. </p></dd> <dt><span class="term"><code class="computeroutput">long_case_insensitive</code><a name="boost.program_options.command_line_style.style_t.long_case_insensitive"></a></span></dt> <dd><p>Ignore the difference in case for long options. </p></dd> <dt><span class="term"><code class="computeroutput">short_case_insensitive</code><a name="boost.program_options.command_line_style.style_t.short_case_insensitive"></a></span></dt> <dd><p>Ignore the difference in case for short options. </p></dd> <dt><span class="term"><code class="computeroutput">case_insensitive</code><a name="boost.program_options.command_line_style.style_t.case_insensitive"></a></span></dt> <dd><p>Ignore the difference in case for all options. </p></dd> <dt><span class="term"><code class="computeroutput">allow_long_disguise</code><a name="boost.program_options.command_line_style.style_t.allow_long_disguise"></a></span></dt> <dd><p>Allow long options with single option starting character, e.g <code class="computeroutput">-foo=10</code> </p></dd> <dt><span class="term"><code class="computeroutput">unix_style</code><a name="boost.program_options.command_line_style.style_t.unix_style"></a></span></dt> <dd><p>The more-or-less traditional unix style. </p></dd> <dt><span class="term"><code class="computeroutput">default_style</code><a name="boost.program_options.command_line_style.style_t.default_style"></a></span></dt> <dd><p>The default style. </p></dd> </dl></div> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2002-2004 Vladimir Prus<p>Distributed under the Boost Software License, Version 1.0. (See accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="../../../program_options/reference.html"><img src="../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../../program_options/reference.html#header.boost.program_options.cmdline_hpp"><img src="../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="../../environment_iterator.html"><img src="../../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>