paradiseo/trunk/paradiseo-eo/doc/html/eo_parser_8cpp-source.html
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<h1>eoParser.cpp</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-</span>
00002
00003 <span class="comment">//-----------------------------------------------------------------------------</span>
00004 <span class="comment">// eoParser.cpp</span>
00005 <span class="comment">// (c) Marc Schoenauer, Maarten Keijzer and GeNeura Team, 2000</span>
00006 <span class="comment">/*</span>
00007 <span class="comment"> This library is free software; you can redistribute it and/or</span>
00008 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
00009 <span class="comment"> License as published by the Free Software Foundation; either</span>
00010 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
00011 <span class="comment"></span>
00012 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
00013 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00014 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00015 <span class="comment"> Lesser General Public License for more details.</span>
00016 <span class="comment"></span>
00017 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
00018 <span class="comment"> License along with this library; if not, write to the Free Software</span>
00019 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00020 <span class="comment"></span>
00021 <span class="comment"> Contact: todos@geneura.ugr.es, http://geneura.ugr.es</span>
00022 <span class="comment"> Marc.Schoenauer@inria.fr</span>
00023 <span class="comment"> mkeijzer@dhi.dk</span>
00024 <span class="comment"> */</span>
00025 <span class="comment">//-----------------------------------------------------------------------------</span>
00026
00027 <span class="preprocessor">#ifdef _MSC_VER</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#pragma warning(disable:4786)</span>
00029 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00030 <span class="preprocessor"></span>
00031 <span class="preprocessor">#include &lt;stdexcept&gt;</span>
00032 <span class="preprocessor">#include &lt;algorithm&gt;</span>
00033 <span class="preprocessor">#include &lt;fstream&gt;</span>
00034 <span class="preprocessor">#include &lt;iomanip&gt;</span>
00035
00036 <span class="preprocessor">#include &lt;utils/compatibility.h&gt;</span>
00037
00038 <span class="preprocessor">#include &lt;utils/eoParser.h&gt;</span>
00039
00040 <span class="keyword">using</span> <span class="keyword">namespace </span>std;
00041
00042 <span class="keywordtype">void</span> eoWarning(std::string str)
00043 {
00044 cout &lt;&lt; str &lt;&lt; <span class="charliteral">'\n'</span>;
00045 }
00046
00047 std::ostream&amp; printSectionHeader(std::ostream&amp; os, std::string section)
00048 {
00049 <span class="keywordflow">if</span> (section == <span class="stringliteral">""</span>)
00050 section = <span class="stringliteral">"General"</span>;
00051
00052 os &lt;&lt; <span class="charliteral">'\n'</span> &lt;&lt; setw(10) &lt;&lt; <span class="stringliteral">"###### "</span> &lt;&lt; setw(20) &lt;&lt; section &lt;&lt; setw(10) &lt;&lt; <span class="stringliteral">" ######\n"</span>;
00053 <span class="keywordflow">return</span> os;
00054 }
00055
<a name="l00056"></a><a class="code" href="classeo_parameter_loader.html#a0">00056</a> <a class="code" href="classeo_parameter_loader.html#a0">eoParameterLoader::~eoParameterLoader</a>()
00057 {
00058 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> i = 0; i &lt; ownedParams.size(); ++i)
00059 {
00060 <span class="keyword">delete</span> ownedParams[i];
00061 }
00062 }
00063
00064
00065 <a class="code" href="classeo_parser.html#a0">eoParser::eoParser</a> ( <span class="keywordtype">unsigned</span> _argc, <span class="keywordtype">char</span> **_argv , string _programDescription,
00066 string _lFileParamName, <span class="keywordtype">char</span> _shortHand) :
00067 programName(_argv[0]),
00068 programDescription( _programDescription),
00069 needHelp(false, <span class="stringliteral">"help"</span>, <span class="stringliteral">"Prints this message"</span>, 'h'),
00070 stopOnUnknownParam(true, <span class="stringliteral">"stopOnUnknownParam"</span>, <span class="stringliteral">"Stop if unkown param entered"</span>, '\0')
00071 {
00072 <span class="comment">// need to process the param file first</span>
00073 <span class="comment">// if we want command-line to have highest priority</span>
00074 <span class="keywordtype">unsigned</span> i;
00075 <span class="keywordflow">for</span> (i = 1; i &lt; _argc; ++i)
00076 {
00077 <span class="keywordflow">if</span>(_argv[i][0] == <span class="charliteral">'@'</span>)
00078 { <span class="comment">// read response file</span>
00079 <span class="keywordtype">char</span> *pts = _argv[i]+1; <span class="comment">// yes a char*, sorry :-)</span>
00080 ifstream ifs (pts);
00081 ifs.peek(); <span class="comment">// check if it exists</span>
00082 <span class="keywordflow">if</span> (!ifs)
00083 {
00084 string msg = string(<span class="stringliteral">"Could not open response file: "</span>) + pts;
00085 <span class="keywordflow">throw</span> runtime_error(msg);
00086 }
00087 <span class="comment">// read - will be overwritten by command-line</span>
00088 readFrom(ifs);
00089 <span class="keywordflow">break</span>; <span class="comment">// stop reading command line args for '@'</span>
00090 }
00091 }
00092 <span class="comment">// now read arguments on command-line</span>
00093 stringstream stream;
00094 <span class="keywordflow">for</span> (i = 1; i &lt; _argc; ++i)
00095 {
00096 stream &lt;&lt; _argv[i] &lt;&lt; <span class="charliteral">'\n'</span>;
00097 }
00098 readFrom(stream);
00099 <a class="code" href="classeo_parameter_loader.html#a1">processParam</a>(needHelp);
00100 <a class="code" href="classeo_parameter_loader.html#a1">processParam</a>(stopOnUnknownParam);
00101 }
00102
00103
00104
00105 <a class="code" href="classeo_param.html">eoParam</a> * <a class="code" href="classeo_parser.html#a9">eoParser::getParamWithLongName</a>(<span class="keyword">const</span> std::string&amp; _name)<span class="keyword"> const</span>
00106 <span class="keyword"></span>{
00107 <span class="keyword">typedef</span> std::multimap&lt;std::string, eoParam*&gt; MultiMapType;
00108 <span class="keyword">typedef</span> MultiMapType::const_iterator iter;
00109 std::string search(prefix+_name);
00110 <span class="keywordflow">for</span>(iter p = params.begin(); p != params.end(); ++p)
00111 <span class="keywordflow">if</span>(p-&gt;second-&gt;longName() == search)
00112 <span class="keywordflow">return</span> p-&gt;second;
00113 <span class="keywordflow">return</span> 0;
00114 }
00115
00116
00117
00118 <span class="keywordtype">void</span> <a class="code" href="classeo_parser.html#a1">eoParser::processParam</a>(<a class="code" href="classeo_param.html">eoParam</a>&amp; param, std::string section)
00119 {
00120 <span class="comment">// this param enters the parser: add the prefix to the long name</span>
00121 <span class="keywordflow">if</span> (prefix != <span class="stringliteral">""</span>)
00122 {
00123 param.<a class="code" href="classeo_param.html#a10">setLongName</a>(prefix+param.<a class="code" href="classeo_param.html#a6">longName</a>());
00124 section = prefix + section; <span class="comment">// and to section</span>
00125 }
00126 doRegisterParam(param); <span class="comment">// plainly register it</span>
00127 params.insert(make_pair(section, &amp;param));
00128 }
00129
00130 <span class="keywordtype">void</span> eoParser::doRegisterParam(<a class="code" href="classeo_param.html">eoParam</a>&amp; param)<span class="keyword"> const</span>
00131 <span class="keyword"></span>{
00132 <span class="keywordflow">if</span> (param.<a class="code" href="classeo_param.html#a11">required</a>() &amp;&amp; !<a class="code" href="classeo_parameter_loader.html#a2">isItThere</a>(param))
00133 {
00134 string msg = <span class="stringliteral">"Required parameter: "</span> + param.<a class="code" href="classeo_param.html#a6">longName</a>() + <span class="stringliteral">" missing"</span>;
00135 messages.push_back(msg);
00136 }
00137 pair&lt;bool, string&gt; value = getValue(param);
00138 <span class="keywordflow">if</span> (value.first)
00139 {
00140 param.<a class="code" href="classeo_param.html#a4">setValue</a>(value.second);
00141 }
00142 }
00143
00144 pair&lt;bool, string&gt; eoParser::getValue(<a class="code" href="classeo_param.html">eoParam</a>&amp; _param)<span class="keyword"> const</span>
00145 <span class="keyword"></span>{
00146 pair&lt;bool, string&gt; result(<span class="keyword">false</span>, <span class="stringliteral">""</span>);
00147
00148 <span class="keywordflow">if</span> (_param.<a class="code" href="classeo_param.html#a5">shortName</a>() != 0)
00149 {
00150 map&lt;char, string&gt;::const_iterator it = shortNameMap.find(_param.<a class="code" href="classeo_param.html#a5">shortName</a>());
00151 <span class="keywordflow">if</span> (it != shortNameMap.end())
00152 {
00153 result.second = it-&gt;second;
00154 result.first = <span class="keyword">true</span>;
00155 <span class="keywordflow">return</span> result;
00156 }
00157 }
00158 map&lt;string, string&gt;::const_iterator it = longNameMap.find(_param.<a class="code" href="classeo_param.html#a6">longName</a>());
00159 <span class="keywordflow">if</span> (it != longNameMap.end())
00160 {
00161 result.second = it-&gt;second;
00162 result.first = <span class="keyword">true</span>;
00163 <span class="keywordflow">return</span> result;
00164 }
00165 <span class="comment">// else (TODO: check environment, just long names)</span>
00166 <span class="keywordflow">return</span> result;
00167 }
00168
00169 <span class="keywordtype">void</span> eoParser::updateParameters()<span class="keyword"> const</span>
00170 <span class="keyword"></span>{
00171 <span class="keyword">typedef</span> MultiMapType::const_iterator It;
00172
00173 <span class="keywordflow">for</span> (It p = params.begin(); p != params.end(); ++p)
00174 {
00175 doRegisterParam(*p-&gt;second);
00176 }
00177 }
00178
00179 <span class="keywordtype">void</span> <a class="code" href="classeo_parser.html#a2">eoParser::readFrom</a>(istream&amp; is)
00180 {
00181 string str;
00182 <span class="comment">// we must avoid processing \section{xxx} if xxx is NOT "Parser"</span>
00183 <span class="keywordtype">bool</span> processing = <span class="keyword">true</span>;
00184 <span class="keywordflow">while</span> (is &gt;&gt; str)
00185 {
00186 <span class="keywordflow">if</span> (str.find(string(<span class="stringliteral">"\\section{"</span>))==0) <span class="comment">// found section begin</span>
00187 processing = (str.find(string(<span class="stringliteral">"Parser"</span>))&lt;str.size());
00188
00189 <span class="keywordflow">if</span> (processing) <span class="comment">// right \section (or no \section at all)</span>
00190 {
00191 <span class="keywordflow">if</span> (str[0] == <span class="charliteral">'#'</span>)
00192 { <span class="comment">// skip the rest of the line</span>
00193 string tempStr;
00194 getline(is, tempStr);
00195 }
00196 <span class="keywordflow">if</span> (str[0] == <span class="charliteral">'-'</span>)
00197 {
00198 <span class="keywordflow">if</span> (str.size() &lt; 2)
00199 {
00200 eoWarning(<span class="stringliteral">"Missing parameter"</span>);
00201 needHelp.value() = <span class="keyword">true</span>;
00202 <span class="keywordflow">return</span>;
00203 }
00204
00205 <span class="keywordflow">if</span> (str[1] == <span class="charliteral">'-'</span>) <span class="comment">// two consecutive dashes</span>
00206 {
00207 string::iterator equalLocation = find(str.begin() + 2, str.end(), <span class="charliteral">'='</span>);
00208 string value;
00209
00210 <span class="keywordflow">if</span> (equalLocation == str.end())
00211 { <span class="comment">// TODO: it should be the next string</span>
00212 value = <span class="stringliteral">""</span>;
00213 }
00214 <span class="keywordflow">else</span>
00215 {
00216 value = string(equalLocation + 1, str.end());
00217 }
00218
00219 string name(str.begin() + 2, equalLocation);
00220 longNameMap[name] = value;
00221
00222 }
00223 <span class="keywordflow">else</span> <span class="comment">// it should be a char</span>
00224 {
00225 string value = <span class="stringliteral">"1"</span>; <span class="comment">// flags do not need a special</span>
00226
00227 <span class="keywordflow">if</span> (str.size() &gt;= 2)
00228 {
00229 <span class="keywordflow">if</span> (str[2] == <span class="charliteral">'='</span>)
00230 {
00231 <span class="keywordflow">if</span> (str.size() &gt;= 3)
00232 value = string(str.begin() + 3, str.end());
00233 }
00234 <span class="keywordflow">else</span>
00235 {
00236 value = string(str.begin() + 2, str.end());
00237 }
00238 }
00239
00240 shortNameMap[str[1]] = value;
00241 }
00242 }
00243 }
00244 }
00245
00246 updateParameters();
00247 }
00248
00249 <span class="keywordtype">void</span> <a class="code" href="classeo_parser.html#a3">eoParser::printOn</a>(ostream&amp; os)<span class="keyword"> const</span>
00250 <span class="keyword"></span>{
00251 <span class="keyword">typedef</span> MultiMapType::const_iterator It;
00252
00253 It p = params.begin();
00254
00255 std::string section = p-&gt;first;
00256
00257 printSectionHeader(os, section);
00258 <span class="comment">//print every param with its value</span>
00259 <span class="keywordflow">for</span> (; p != params.end(); ++p)
00260 {
00261 std::string newSection = p-&gt;first;
00262
00263 <span class="keywordflow">if</span> (newSection != section)
00264 {
00265 section = newSection;
00266 printSectionHeader(os, section);
00267 }
00268
00269 <a class="code" href="classeo_param.html">eoParam</a>* param = p-&gt;second;
00270
00271 <span class="keywordflow">if</span> (!<a class="code" href="classeo_parameter_loader.html#a2">isItThere</a>(*param)) <span class="comment">// comment out the ones not set by the user</span>
00272 os &lt;&lt; <span class="stringliteral">"# "</span>;
00273
00274 string str = <span class="stringliteral">"--"</span> + param-&gt;<a class="code" href="classeo_param.html#a6">longName</a>() + <span class="stringliteral">"="</span> + param-&gt;<a class="code" href="classeo_param.html#a3">getValue</a>();
00275
00276 os.setf(ios_base::left, ios_base::adjustfield);
00277 os &lt;&lt; setw(40) &lt;&lt; str;
00278
00279 os &lt;&lt; setw(0) &lt;&lt; <span class="stringliteral">" # "</span>;
00280 <span class="keywordflow">if</span> (param-&gt;<a class="code" href="classeo_param.html#a5">shortName</a>())
00281 os &lt;&lt; <span class="charliteral">'-'</span> &lt;&lt; param-&gt;<a class="code" href="classeo_param.html#a5">shortName</a>() &lt;&lt; <span class="stringliteral">" : "</span>;
00282 os &lt;&lt; param-&gt;<a class="code" href="classeo_param.html#a7">description</a>();
00283
00284 <span class="keywordflow">if</span> (param-&gt;<a class="code" href="classeo_param.html#a11">required</a>())
00285 {
00286 os &lt;&lt; <span class="stringliteral">" REQUIRED "</span>;
00287 }
00288
00289 os &lt;&lt; <span class="charliteral">'\n'</span>;
00290 }
00291 }
00292
00293 <span class="keywordtype">void</span> <a class="code" href="classeo_parser.html#a6">eoParser::printHelp</a>(ostream&amp; os)
00294 {
00295 <span class="keywordflow">if</span> (needHelp.value() == <span class="keyword">false</span> &amp;&amp; !messages.empty())
00296 {
00297 std::copy(messages.begin(), messages.end(), ostream_iterator&lt;string&gt;(os, <span class="stringliteral">"\n"</span>));
00298 messages.clear();
00299 <span class="keywordflow">return</span>;
00300 }
00301
00302 <span class="comment">// print program name and description</span>
00303 os &lt;&lt; this-&gt;programName &lt;&lt;<span class="stringliteral">": "</span>&lt;&lt; programDescription &lt;&lt; <span class="stringliteral">"\n\n"</span>;
00304
00305 <span class="comment">// print the usage when calling the program from the command line</span>
00306 os &lt;&lt; <span class="stringliteral">"Usage: "</span>&lt;&lt; programName&lt;&lt;<span class="stringliteral">" [Options]\n"</span>;
00307 <span class="comment">// only short usage!</span>
00308 os &lt;&lt; <span class="stringliteral">"Options of the form \"-f[=Value]\" or \"--Name[=value]\""</span> &lt;&lt; endl;
00309
00310 os &lt;&lt; <span class="stringliteral">"Where:"</span>&lt;&lt;endl;
00311
00312 <span class="keyword">typedef</span> MultiMapType::const_iterator It;
00313
00314 It p = params.begin();
00315
00316 std::string section = p-&gt;first;
00317
00318 printSectionHeader(os, section);
00319
00320 <span class="comment">//print every param with its value</span>
00321 <span class="keywordflow">for</span> (; p != params.end(); ++p)
00322 {
00323 std::string newSection = p-&gt;first;
00324
00325 <span class="keywordflow">if</span> (newSection != section)
00326 {
00327 section = newSection;
00328 printSectionHeader(os, section);
00329 }
00330
00331 <span class="keywordflow">if</span> (p-&gt;second-&gt;shortName())
00332 os &lt;&lt; <span class="stringliteral">"-"</span> &lt;&lt; p-&gt;second-&gt;<a class="code" href="classeo_param.html#a5">shortName</a>() &lt;&lt; <span class="stringliteral">", "</span>;
00333
00334 os &lt;&lt; <span class="stringliteral">"--"</span> &lt;&lt;p-&gt;second-&gt;<a class="code" href="classeo_param.html#a6">longName</a>() &lt;&lt;<span class="stringliteral">":\t"</span>
00335 &lt;&lt; p-&gt;second-&gt;<a class="code" href="classeo_param.html#a7">description</a>() ;
00336
00337 os &lt;&lt; <span class="stringliteral">"\n"</span> &lt;&lt; setw(20) &lt;&lt; ( (p-&gt;second-&gt;required())?<span class="stringliteral">"Required"</span>:<span class="stringliteral">"Optional"</span> );
00338 os &lt;&lt;<span class="stringliteral">". By default: "</span>&lt;&lt;p-&gt;second-&gt;<a class="code" href="classeo_param.html#a8">defValue</a>() &lt;&lt; <span class="charliteral">'\n'</span>;
00339 } <span class="comment">// for p</span>
00340
00341 os &lt;&lt; <span class="stringliteral">"\n@param_file \t defines a file where the parameters are stored\n"</span>;
00342 os &lt;&lt; <span class="charliteral">'\n'</span>;
00343
00344 }
00345
00346 <span class="keywordtype">bool</span> <a class="code" href="classeo_parser.html#a5">eoParser::userNeedsHelp</a>(<span class="keywordtype">void</span>)
00347 {
00348 <span class="comment">/*</span>
00349 <span class="comment"> check whether there are long or short names entered</span>
00350 <span class="comment"> without a corresponding parameter</span>
00351 <span class="comment"> */</span>
00352 <span class="comment">// first, check if we want to check that !</span>
00353 <span class="keywordflow">if</span> (stopOnUnknownParam.value())
00354 {
00355 <span class="keywordflow">for</span> (LongNameMapType::const_iterator lIt = longNameMap.begin(); lIt != longNameMap.end(); ++lIt)
00356 {
00357 string entry = lIt-&gt;first;
00358
00359 MultiMapType::const_iterator it;
00360
00361 <span class="keywordflow">for</span> (it = params.begin(); it != params.end(); ++it)
00362 {
00363 <span class="keywordflow">if</span> (entry == it-&gt;second-&gt;longName())
00364 {
00365 <span class="keywordflow">break</span>;
00366 }
00367 }
00368
00369 <span class="keywordflow">if</span> (it == params.end())
00370 {
00371 string msg = <span class="stringliteral">"Unknown parameter: --"</span> + entry + <span class="stringliteral">" entered, type -h or --help to see available parameters"</span>;
00372 messages.push_back(msg);
00373 }
00374 }
00375
00376 <span class="keywordflow">for</span> (ShortNameMapType::const_iterator sIt = shortNameMap.begin(); sIt != shortNameMap.end(); ++sIt)
00377 {
00378 <span class="keywordtype">char</span> entry = sIt-&gt;first;
00379
00380 MultiMapType::const_iterator it;
00381
00382 <span class="keywordflow">for</span> (it = params.begin(); it != params.end(); ++it)
00383 {
00384 <span class="keywordflow">if</span> (entry == it-&gt;second-&gt;shortName())
00385 {
00386 <span class="keywordflow">break</span>;
00387 }
00388 }
00389
00390 <span class="keywordflow">if</span> (it == params.end())
00391 {
00392 string entryString(1, entry);
00393 string msg = <span class="stringliteral">"Unknown parameter: -"</span> + entryString + <span class="stringliteral">" entered, type -h or --help to see available parameters"</span>;
00394 messages.push_back(msg);
00395 }
00396 }
00397 }
00398 <span class="keywordflow">return</span> needHelp.value() || !messages.empty();
00399 }
00400
00402 ostream &amp; operator&lt;&lt;(ostream &amp; _os, <span class="keyword">const</span> <a class="code" href="classeo_param_param_type.html">eoParamParamType</a> &amp; _rate)
00403 {
00404 _rate.<a class="code" href="classeo_param_param_type.html#a1">printOn</a>(_os);
00405 <span class="keywordflow">return</span> _os;
00406 }
00407
00408 istream &amp; operator&gt;&gt;(istream &amp; _is, <a class="code" href="classeo_param_param_type.html">eoParamParamType</a> &amp; _rate)
00409 {
00410 _rate.<a class="code" href="classeo_param_param_type.html#a2">readFrom</a>(_is);
00411 <span class="keywordflow">return</span> _is;
00412 }
00413
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Oct 19 05:06:36 2006 for EO by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.3.9.1 </small></address>
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