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<h1>a_osloader.cc</h1><a href="a__osloader_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">///</span>
<a name="l00002"></a>00002 <span class="comment"></span><span class="comment">/// \file a_osloader.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// OS files parser (multi ALX files parser)</span>
<a name="l00004"></a>00004 <span class="comment"></span><span class="comment">///</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">/*</span>
<a name="l00007"></a>00007 <span class="comment"> Copyright (C) 2010, Nicolas VIVIEN</span>
<a name="l00008"></a>00008 <span class="comment"> Copyright (C) 2005-2011, Net Direct Inc. (http://www.netdirect.ca/)</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00011"></a>00011 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00012"></a>00012 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00013"></a>00013 <span class="comment"> (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00020"></a>00020 <span class="comment"> root directory of this project for more details.</span>
<a name="l00021"></a>00021 <span class="comment">*/</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include <iostream></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <fstream></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <algorithm></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <dirent.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <errno.h></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="a__osloader_8h.html" title="OS files parser (multi ALX files parser).">a_osloader.h</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="a__alxparser_8h.html" title="ALX file parser (for one file).">a_alxparser.h</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "vsmartptr.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "<a class="code" href="error_8h.html" title="Common exception classes for the Barry library.">error.h</a>"</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">namespace </span>Barry {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">namespace </span>ALX {
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 OSLoader::OSLoader(<span class="keywordtype">void</span>)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a>00046
<a name="l00047"></a>00047 OSLoader::~OSLoader(<span class="keywordtype">void</span>)
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordtype">void</span> OSLoader::Load(<span class="keyword">const</span> std::string& pathname)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="preprocessor">#define ALX_FILE_EXT ".alx"</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span>
<a name="l00056"></a>00056 <span class="keywordtype">int</span> offset;
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">struct </span>dirent *entry;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 std::string alxfile;
<a name="l00061"></a>00061 <span class="keyword">const</span> std::string ext = ALX_FILE_EXT;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="comment">// At first, we have to read platform properties...</span>
<a name="l00064"></a>00064 alxfile = pathname + <span class="stringliteral">"/Platform.alx"</span>;
<a name="l00065"></a>00065 LoadALXFile(alxfile, <span class="keyword">false</span>);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// Then, we can read all ALX files</span>
<a name="l00068"></a>00068 <span class="comment">// Wrap it in a smart pointer so exceptions are safe</span>
<a name="l00069"></a>00069 vLateSmartPtr<DIR, int (*)(DIR*)> path(&closedir);
<a name="l00070"></a>00070 path.reset( opendir(pathname.c_str()) );
<a name="l00071"></a>00071 <span class="keywordflow">if</span>( path.get() == NULL )
<a name="l00072"></a>00072 <span class="keywordflow">throw</span> <a class="code" href="classBarry_1_1ErrnoError.html" title="System error that provides an errno error code.">Barry::ErrnoError</a>(<span class="stringliteral">"Could not opendir: "</span> + pathname, errno);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordflow">while</span> ((entry = readdir(path.get())) != NULL) {
<a name="l00075"></a>00075 alxfile = entry->d_name;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">if</span> (alxfile.length() < ext.length())
<a name="l00078"></a>00078 <span class="keywordflow">continue</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 offset = alxfile.length() - ext.length();
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">// Ignore all files except ".alx" files</span>
<a name="l00083"></a>00083 <span class="keywordflow">if</span> (alxfile.substr(offset, ext.length()) != ALX_FILE_EXT)
<a name="l00084"></a>00084 <span class="keywordflow">continue</span>;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 LoadALXFile(pathname + <span class="stringliteral">"/"</span> + alxfile, <span class="keyword">true</span>);
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordtype">void</span> OSLoader::LoadALXFile(<span class="keyword">const</span> std::string& alxfile, <span class="keyword">const</span> <span class="keywordtype">bool</span> enable)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 std::ifstream file(alxfile.c_str());
<a name="l00094"></a>00094 <span class="keywordflow">if</span>( !file )
<a name="l00095"></a>00095 <span class="keywordflow">throw</span> <a class="code" href="classBarry_1_1Error.html" title="The base class for any future derived exceptions.">Barry::Error</a>(<span class="stringliteral">"Cannot open ALX file: "</span> + alxfile);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 ALX::ALXParser parser(*<span class="keyword">this</span>, file);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 parser.Run(enable);
<a name="l00100"></a>00100
<a name="l00101"></a>00101 file.close();
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordtype">void</span> OSLoader::Dump(std::ostream &os)<span class="keyword"> const</span>
<a name="l00106"></a>00106 <span class="keyword"></span>{
<a name="l00107"></a>00107 os << <span class="stringliteral">"OS Properties :"</span> << std::endl;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 std::map<std::string, std::string>::const_iterator b = properties.begin(), e = properties.end();
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordflow">for</span> (; b != e; b++) {
<a name="l00113"></a>00113 os << <span class="stringliteral">" - "</span> << (*b).first << <span class="stringliteral">" = "</span> << (*b).second << std::endl;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117 os << std::endl;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 os << <span class="stringliteral">"SFI File :"</span> << std::endl;
<a name="l00120"></a>00120 os << <span class="stringliteral">" "</span> << sfifile << std::endl;
<a name="l00121"></a>00121 os << std::endl;
<a name="l00122"></a>00122
<a name="l00123"></a>00123 os << <span class="stringliteral">"Applications :"</span> << std::endl;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 CODSectionList::const_iterator b = applications.begin(), e = applications.end();
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">for</span> (; b != e; b++) {
<a name="l00129"></a>00129 os << (**b) << std::endl;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 os << <span class="stringliteral">"Libraries :"</span> << std::endl;
<a name="l00134"></a>00134
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 CODSectionList::const_iterator b = libraries.begin(), e = libraries.end();
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="keywordflow">for</span> (; b != e; b++) {
<a name="l00139"></a>00139 os << (**b) << std::endl;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordtype">void</span> OSLoader::AddProperties(<span class="keyword">const</span> std::string& property, <span class="keyword">const</span> std::string& value)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 properties[property] = value;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (property == <span class="stringliteral">"JVMLevel"</span>)
<a name="l00150"></a>00150 properties[<span class="stringliteral">"Java"</span>] = value;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordtype">void</span> OSLoader::AddProperties(<span class="keyword">const</span> xmlpp::SaxParser::AttributeList& attrs)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 <span class="keywordflow">for</span> (xmlpp::SaxParser::AttributeList::const_iterator iter = attrs.begin(); iter != attrs.end(); ++iter) {
<a name="l00157"></a>00157 std::string attribut(iter->name);
<a name="l00158"></a>00158 std::string value(iter->value);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 AddProperties(attribut, value);
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="keywordtype">void</span> OSLoader::SetSFIFile(<span class="keyword">const</span> std::string& name)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 sfifile = name;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="keywordtype">bool</span> OSLoader::IsSupported(<span class="keyword">const</span> xmlpp::SaxParser::AttributeList& attrs)
<a name="l00172"></a>00172 {
<a name="l00173"></a>00173 <span class="keywordflow">if</span> (properties.empty())
<a name="l00174"></a>00174 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordflow">for</span> (xmlpp::SaxParser::AttributeList::const_iterator iter = attrs.begin(); iter != attrs.end(); ++iter) {
<a name="l00177"></a>00177 std::string attribut(iter->name);
<a name="l00178"></a>00178 std::string value(iter->value);
<a name="l00179"></a>00179
<a name="l00180"></a>00180 std::string s = properties[attribut];
<a name="l00181"></a>00181
<a name="l00182"></a>00182 std::transform(value.begin(), value.end(), value.begin(), ::tolower);
<a name="l00183"></a>00183 std::transform(s.begin(), s.end(), s.begin(), ::tolower);
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="keywordflow">if</span> (value[0] == <span class="charliteral">'~'</span>) {
<a name="l00186"></a>00186 value = value.substr(1, value.length()-1);
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keywordflow">if</span> (s == value)
<a name="l00189"></a>00189 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 <span class="keywordflow">else</span> {
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (s != value)
<a name="l00193"></a>00193 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200
<a name="l00201"></a>00201 <span class="keywordtype">void</span> OSLoader::AddApplication(OSLoader::CODSectionPtr app)
<a name="l00202"></a>00202 {
<a name="l00203"></a>00203 applications.push_back(app);
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordtype">void</span> OSLoader::AddLibrary(OSLoader::CODSectionPtr lib)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209 libraries.push_back(lib);
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211
<a name="l00212"></a>00212
<a name="l00213"></a>00213 } <span class="comment">// namespace ALX</span>
<a name="l00214"></a>00214
<a name="l00215"></a>00215 } <span class="comment">// namespace Barry</span>
<a name="l00216"></a>00216
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