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<h1>Configuration.hpp</h1>  </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of Raul.</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2009 David Robillard &lt;http://drobilla.net&gt;</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Raul is free software; you can redistribute it and/or modify it under the</span>
<a name="l00005"></a>00005 <span class="comment"> * terms of the GNU General Public License as published by the Free Software</span>
<a name="l00006"></a>00006 <span class="comment"> * Foundation; either version 2 of the License, or (at your option) any later</span>
<a name="l00007"></a>00007 <span class="comment"> * version.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * Raul is distributed in the hope that it will be useful, but WITHOUT ANY</span>
<a name="l00010"></a>00010 <span class="comment"> * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span>
<a name="l00011"></a>00011 <span class="comment"> * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00014"></a>00014 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00015"></a>00015 <span class="comment"> * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00016"></a>00016 <span class="comment"> */</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef RAUL_CONFIGURATION_HPP</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define RAUL_CONFIGURATION_HPP</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include &lt;map&gt;</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include &lt;list&gt;</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;ostream&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;exception&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include &quot;raul/Atom.hpp&quot;</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="keyword">namespace </span>Raul {
<a name="l00029"></a>00029 
<a name="l00034"></a><a class="code" href="classRaul_1_1Configuration.html">00034</a> <span class="keyword">class </span><a class="code" href="classRaul_1_1Configuration.html" title="Program configuration (command line options and/or configuration file).">Configuration</a> {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036     <a class="code" href="classRaul_1_1Configuration.html" title="Program configuration (command line options and/or configuration file).">Configuration</a>(<span class="keyword">const</span> std::string&amp; shortdesc, <span class="keyword">const</span> std::string&amp; desc)
<a name="l00037"></a>00037         : _shortdesc(shortdesc)
<a name="l00038"></a>00038         , _desc(desc)
<a name="l00039"></a>00039         , _max_name_length(0)
<a name="l00040"></a>00040     {}
<a name="l00041"></a>00041 
<a name="l00042"></a>00042     <a class="code" href="classRaul_1_1Configuration.html" title="Program configuration (command line options and/or configuration file).">Configuration</a>&amp; <a class="code" href="classRaul_1_1Configuration.html#a9508a88d36f6a7ef2353f1a01b88942d" title="Add a configuration option.">add</a>(
<a name="l00043"></a>00043             <span class="keyword">const</span> std::string&amp; name,
<a name="l00044"></a>00044             <span class="keywordtype">char</span>               letter,
<a name="l00045"></a>00045             <span class="keyword">const</span> std::string&amp; desc,
<a name="l00046"></a>00046             <span class="keyword">const</span> Atom::Type   type,
<a name="l00047"></a>00047             <span class="keyword">const</span> <a class="code" href="classRaul_1_1Atom.html" title="A piece of data with some type.">Atom</a>&amp;        value);
<a name="l00048"></a>00048 
<a name="l00049"></a>00049     <span class="keywordtype">void</span> print_usage(<span class="keyword">const</span> std::string&amp; program, std::ostream&amp; os);
<a name="l00050"></a>00050 
<a name="l00051"></a>00051     <span class="keyword">struct </span>CommandLineError : <span class="keyword">public</span> std::exception {
<a name="l00052"></a>00052         CommandLineError(<span class="keyword">const</span> std::string&amp; m) : msg(m) {}
<a name="l00053"></a>00053         ~CommandLineError() <span class="keywordflow">throw</span>() {}
<a name="l00054"></a>00054         <span class="keyword">const</span> <span class="keywordtype">char</span>* what() <span class="keyword">const</span> <span class="keywordflow">throw</span>() { <span class="keywordflow">return</span> msg.c_str(); }
<a name="l00055"></a>00055         std::string msg;
<a name="l00056"></a>00056     };
<a name="l00057"></a>00057 
<a name="l00058"></a>00058     <span class="keywordtype">void</span> <a class="code" href="classRaul_1_1Configuration.html#a1cdb37986b2255de63d782b39f368d18" title="Parse command line arguments.">parse</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv) <span class="keywordflow">throw</span> (CommandLineError);
<a name="l00059"></a>00059 
<a name="l00060"></a>00060     <span class="keywordtype">void</span> print(std::ostream&amp; os, <span class="keyword">const</span> std::string mime_type=<span class="stringliteral">&quot;text/plain&quot;</span>) <span class="keyword">const</span>;
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     <span class="keyword">const</span> <a class="code" href="classRaul_1_1Atom.html" title="A piece of data with some type.">Raul::Atom</a>&amp; option(<span class="keyword">const</span> std::string&amp; long_name);
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 <span class="keyword">private</span>:
<a name="l00065"></a>00065     <span class="keyword">struct </span>Option {
<a name="l00066"></a>00066     <span class="keyword">public</span>:
<a name="l00067"></a>00067         Option(<span class="keyword">const</span> std::string&amp; n, <span class="keywordtype">char</span> l, <span class="keyword">const</span> std::string&amp; d,
<a name="l00068"></a>00068                <span class="keyword">const</span> Atom::Type type, <span class="keyword">const</span> <a class="code" href="classRaul_1_1Atom.html" title="A piece of data with some type.">Raul::Atom</a>&amp; def)
<a name="l00069"></a>00069             : name(n), letter(l), desc(d), type(type), default_value(def), value(def)
<a name="l00070"></a>00070         {}
<a name="l00071"></a>00071 
<a name="l00072"></a>00072         std::string name;
<a name="l00073"></a>00073         <span class="keywordtype">char</span>        letter;
<a name="l00074"></a>00074         std::string desc;
<a name="l00075"></a>00075         Atom::Type  type;
<a name="l00076"></a>00076         <a class="code" href="classRaul_1_1Atom.html" title="A piece of data with some type.">Raul::Atom</a>  default_value;
<a name="l00077"></a>00077         <a class="code" href="classRaul_1_1Atom.html" title="A piece of data with some type.">Raul::Atom</a>  value;
<a name="l00078"></a>00078     };
<a name="l00079"></a>00079 
<a name="l00080"></a>00080     <span class="keyword">struct </span>OptionNameOrder {
<a name="l00081"></a>00081         <span class="keyword">inline</span> <span class="keywordtype">bool</span> operator()(<span class="keyword">const</span> Option&amp; a, <span class="keyword">const</span> Option&amp; b) {
<a name="l00082"></a>00082             <span class="keywordflow">return</span> a.name &lt; b.name;
<a name="l00083"></a>00083         }
<a name="l00084"></a>00084     };
<a name="l00085"></a>00085 
<a name="l00086"></a>00086     <span class="keyword">typedef</span> std::map&lt;std::string, Option&gt; Options;
<a name="l00087"></a>00087     <span class="keyword">typedef</span> std::map&lt;char, std::string&gt;   ShortNames;
<a name="l00088"></a>00088     <span class="keyword">typedef</span> std::list&lt;std::string&gt;        Files;
<a name="l00089"></a>00089 
<a name="l00090"></a>00090     <span class="keywordtype">int</span> set_value_from_string(Configuration::Option&amp; option, <span class="keyword">const</span> std::string&amp; value)
<a name="l00091"></a>00091             <span class="keywordflow">throw</span> (Configuration::CommandLineError);
<a name="l00092"></a>00092 
<a name="l00093"></a>00093     <span class="keyword">const</span> std::string _shortdesc;
<a name="l00094"></a>00094     <span class="keyword">const</span> std::string _desc;
<a name="l00095"></a>00095     Options           _options;
<a name="l00096"></a>00096     ShortNames        _short_names;
<a name="l00097"></a>00097     Files             _files;
<a name="l00098"></a>00098     <span class="keywordtype">size_t</span>            _max_name_length;
<a name="l00099"></a>00099 };
<a name="l00100"></a>00100 
<a name="l00101"></a>00101 } <span class="comment">// namespace Raul</span>
<a name="l00102"></a>00102 
<a name="l00103"></a>00103 <span class="preprocessor">#endif // RAUL_CONFIGURATION_HPP</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span>
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