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  23 <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>
  24 <a name="l00002"></a>00002 <span class="comment"></span><span class="comment">/// \file       a_osloader.cc</span>
  25 <a name="l00003"></a>00003 <span class="comment"></span><span class="comment">///             OS files parser (multi ALX files parser)</span>
  26 <a name="l00004"></a>00004 <span class="comment"></span><span class="comment">///</span>
  27 <a name="l00005"></a>00005 <span class="comment"></span>
  28 <a name="l00006"></a>00006 <span class="comment">/*</span>
  29 <a name="l00007"></a>00007 <span class="comment">    Copyright (C) 2010, Nicolas VIVIEN</span>
  30 <a name="l00008"></a>00008 <span class="comment">    Copyright (C) 2005-2011, Net Direct Inc. (http://www.netdirect.ca/)</span>
  31 <a name="l00009"></a>00009 <span class="comment"></span>
  32 <a name="l00010"></a>00010 <span class="comment">    This program is free software; you can redistribute it and/or modify</span>
  33 <a name="l00011"></a>00011 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
  34 <a name="l00012"></a>00012 <span class="comment">    the Free Software Foundation; either version 2 of the License, or</span>
  35 <a name="l00013"></a>00013 <span class="comment">    (at your option) any later version.</span>
  36 <a name="l00014"></a>00014 <span class="comment"></span>
  37 <a name="l00015"></a>00015 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
  38 <a name="l00016"></a>00016 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  39 <a name="l00017"></a>00017 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
  40 <a name="l00018"></a>00018 <span class="comment"></span>
  41 <a name="l00019"></a>00019 <span class="comment">    See the GNU General Public License in the COPYING file at the</span>
  42 <a name="l00020"></a>00020 <span class="comment">    root directory of this project for more details.</span>
  43 <a name="l00021"></a>00021 <span class="comment">*/</span>
  44 <a name="l00022"></a>00022
  45 <a name="l00023"></a>00023 <span class="preprocessor">#include &lt;iostream&gt;</span>
  46 <a name="l00024"></a>00024 <span class="preprocessor">#include &lt;fstream&gt;</span>
  47 <a name="l00025"></a>00025 <span class="preprocessor">#include &lt;algorithm&gt;</span>
  48 <a name="l00026"></a>00026
  49 <a name="l00027"></a>00027 <span class="preprocessor">#include &lt;sys/types.h&gt;</span>
  50 <a name="l00028"></a>00028 <span class="preprocessor">#include &lt;dirent.h&gt;</span>
  51 <a name="l00029"></a>00029 <span class="preprocessor">#include &lt;errno.h&gt;</span>
  52 <a name="l00030"></a>00030
  53 <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>
  54 <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>
  55 <a name="l00033"></a>00033 <span class="preprocessor">#include "vsmartptr.h"</span>
  56 <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>
  57 <a name="l00035"></a>00035
  58 <a name="l00036"></a>00036
  59 <a name="l00037"></a>00037 <span class="keyword">namespace </span>Barry {
  60 <a name="l00038"></a>00038
  61 <a name="l00039"></a>00039 <span class="keyword">namespace </span>ALX {
  62 <a name="l00040"></a>00040
  63 <a name="l00041"></a>00041
  64 <a name="l00042"></a>00042 OSLoader::OSLoader(<span class="keywordtype">void</span>)
  65 <a name="l00043"></a>00043 {
  66 <a name="l00044"></a>00044 }
  67 <a name="l00045"></a>00045
  68 <a name="l00046"></a>00046
  69 <a name="l00047"></a>00047 OSLoader::~OSLoader(<span class="keywordtype">void</span>)
  70 <a name="l00048"></a>00048 {
  71 <a name="l00049"></a>00049 }
  72 <a name="l00050"></a>00050
  73 <a name="l00051"></a>00051
  74 <a name="l00052"></a>00052 <span class="keywordtype">void</span> OSLoader::Load(<span class="keyword">const</span> std::string&amp; pathname)
  75 <a name="l00053"></a>00053 {
  76 <a name="l00054"></a>00054 <span class="preprocessor">#define ALX_FILE_EXT    ".alx"</span>
  77 <a name="l00055"></a>00055 <span class="preprocessor"></span>
  78 <a name="l00056"></a>00056         <span class="keywordtype">int</span> offset;
  79 <a name="l00057"></a>00057
  80 <a name="l00058"></a>00058         <span class="keyword">struct </span>dirent *entry;
  81 <a name="l00059"></a>00059
  82 <a name="l00060"></a>00060         std::string alxfile;
  83 <a name="l00061"></a>00061         <span class="keyword">const</span> std::string ext = ALX_FILE_EXT;
  84 <a name="l00062"></a>00062
  85 <a name="l00063"></a>00063         <span class="comment">// At first, we have to read platform properties...</span>
  86 <a name="l00064"></a>00064         alxfile = pathname + <span class="stringliteral">"/Platform.alx"</span>;
  87 <a name="l00065"></a>00065         LoadALXFile(alxfile, <span class="keyword">false</span>);
  88 <a name="l00066"></a>00066
  89 <a name="l00067"></a>00067         <span class="comment">// Then, we can read all ALX files</span>
  90 <a name="l00068"></a>00068         <span class="comment">// Wrap it in a smart pointer so exceptions are safe</span>
  91 <a name="l00069"></a>00069         vLateSmartPtr&lt;DIR, int (*)(DIR*)&gt; path(&amp;closedir);
  92 <a name="l00070"></a>00070         path.reset( opendir(pathname.c_str()) );
  93 <a name="l00071"></a>00071         <span class="keywordflow">if</span>( path.get() == NULL )
  94 <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);
  95 <a name="l00073"></a>00073
  96 <a name="l00074"></a>00074         <span class="keywordflow">while</span> ((entry = readdir(path.get())) != NULL) {
  97 <a name="l00075"></a>00075                 alxfile = entry-&gt;d_name;
  98 <a name="l00076"></a>00076
  99 <a name="l00077"></a>00077                 <span class="keywordflow">if</span> (alxfile.length() &lt; ext.length())
 100 <a name="l00078"></a>00078                         <span class="keywordflow">continue</span>;
 101 <a name="l00079"></a>00079
 102 <a name="l00080"></a>00080                 offset = alxfile.length() - ext.length();
 103 <a name="l00081"></a>00081
 104 <a name="l00082"></a>00082                 <span class="comment">// Ignore all files except ".alx" files</span>
 105 <a name="l00083"></a>00083                 <span class="keywordflow">if</span> (alxfile.substr(offset, ext.length()) != ALX_FILE_EXT)
 106 <a name="l00084"></a>00084                         <span class="keywordflow">continue</span>;
 107 <a name="l00085"></a>00085
 108 <a name="l00086"></a>00086                 LoadALXFile(pathname + <span class="stringliteral">"/"</span> + alxfile, <span class="keyword">true</span>);
 109 <a name="l00087"></a>00087         }
 110 <a name="l00088"></a>00088 }
 111 <a name="l00089"></a>00089
 112 <a name="l00090"></a>00090
 113 <a name="l00091"></a>00091 <span class="keywordtype">void</span> OSLoader::LoadALXFile(<span class="keyword">const</span> std::string&amp; alxfile, <span class="keyword">const</span> <span class="keywordtype">bool</span> enable)
 114 <a name="l00092"></a>00092 {
 115 <a name="l00093"></a>00093         std::ifstream file(alxfile.c_str());
 116 <a name="l00094"></a>00094         <span class="keywordflow">if</span>( !file )
 117 <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);
 118 <a name="l00096"></a>00096
 119 <a name="l00097"></a>00097         ALX::ALXParser parser(*<span class="keyword">this</span>, file);
 120 <a name="l00098"></a>00098
 121 <a name="l00099"></a>00099         parser.Run(enable);
 122 <a name="l00100"></a>00100
 123 <a name="l00101"></a>00101         file.close();
 124 <a name="l00102"></a>00102 }
 125 <a name="l00103"></a>00103
 126 <a name="l00104"></a>00104
 127 <a name="l00105"></a>00105 <span class="keywordtype">void</span> OSLoader::Dump(std::ostream &amp;os)<span class="keyword"> const</span>
 128 <a name="l00106"></a>00106 <span class="keyword"></span>{
 129 <a name="l00107"></a>00107         os &lt;&lt; <span class="stringliteral">"OS Properties :"</span> &lt;&lt; std::endl;
 130 <a name="l00108"></a>00108
 131 <a name="l00109"></a>00109         {
 132 <a name="l00110"></a>00110                 std::map&lt;std::string, std::string&gt;::const_iterator b = properties.begin(), e = properties.end();
 133 <a name="l00111"></a>00111
 134 <a name="l00112"></a>00112                 <span class="keywordflow">for</span> (; b != e; b++) {
 135 <a name="l00113"></a>00113                         os &lt;&lt; <span class="stringliteral">"  - "</span> &lt;&lt; (*b).first &lt;&lt; <span class="stringliteral">" = "</span> &lt;&lt; (*b).second &lt;&lt; std::endl;
 136 <a name="l00114"></a>00114                 }
 137 <a name="l00115"></a>00115         }
 138 <a name="l00116"></a>00116
 139 <a name="l00117"></a>00117         os &lt;&lt; std::endl;
 140 <a name="l00118"></a>00118
 141 <a name="l00119"></a>00119         os &lt;&lt; <span class="stringliteral">"SFI File :"</span> &lt;&lt; std::endl;
 142 <a name="l00120"></a>00120         os &lt;&lt; <span class="stringliteral">"  "</span> &lt;&lt; sfifile &lt;&lt; std::endl;
 143 <a name="l00121"></a>00121         os &lt;&lt; std::endl;
 144 <a name="l00122"></a>00122
 145 <a name="l00123"></a>00123         os &lt;&lt; <span class="stringliteral">"Applications :"</span> &lt;&lt; std::endl;
 146 <a name="l00124"></a>00124
 147 <a name="l00125"></a>00125         {
 148 <a name="l00126"></a>00126                 CODSectionList::const_iterator b = applications.begin(), e = applications.end();
 149 <a name="l00127"></a>00127
 150 <a name="l00128"></a>00128                 <span class="keywordflow">for</span> (; b != e; b++) {
 151 <a name="l00129"></a>00129                         os &lt;&lt; (**b) &lt;&lt; std::endl;
 152 <a name="l00130"></a>00130                 }
 153 <a name="l00131"></a>00131         }
 154 <a name="l00132"></a>00132
 155 <a name="l00133"></a>00133         os &lt;&lt; <span class="stringliteral">"Libraries :"</span> &lt;&lt; std::endl;
 156 <a name="l00134"></a>00134
 157 <a name="l00135"></a>00135         {
 158 <a name="l00136"></a>00136                 CODSectionList::const_iterator b = libraries.begin(), e = libraries.end();
 159 <a name="l00137"></a>00137
 160 <a name="l00138"></a>00138                 <span class="keywordflow">for</span> (; b != e; b++) {
 161 <a name="l00139"></a>00139                         os &lt;&lt; (**b) &lt;&lt; std::endl;
 162 <a name="l00140"></a>00140                 }
 163 <a name="l00141"></a>00141         }
 164 <a name="l00142"></a>00142 }
 165 <a name="l00143"></a>00143
 166 <a name="l00144"></a>00144
 167 <a name="l00145"></a>00145 <span class="keywordtype">void</span> OSLoader::AddProperties(<span class="keyword">const</span> std::string&amp; property, <span class="keyword">const</span> std::string&amp; value)
 168 <a name="l00146"></a>00146 {
 169 <a name="l00147"></a>00147         properties[property] = value;
 170 <a name="l00148"></a>00148
 171 <a name="l00149"></a>00149         <span class="keywordflow">if</span> (property == <span class="stringliteral">"JVMLevel"</span>)
 172 <a name="l00150"></a>00150                 properties[<span class="stringliteral">"Java"</span>] = value;
 173 <a name="l00151"></a>00151 }
 174 <a name="l00152"></a>00152
 175 <a name="l00153"></a>00153
 176 <a name="l00154"></a>00154 <span class="keywordtype">void</span> OSLoader::AddProperties(<span class="keyword">const</span> xmlpp::SaxParser::AttributeList&amp; attrs)
 177 <a name="l00155"></a>00155 {
 178 <a name="l00156"></a>00156         <span class="keywordflow">for</span> (xmlpp::SaxParser::AttributeList::const_iterator iter = attrs.begin(); iter != attrs.end(); ++iter) {
 179 <a name="l00157"></a>00157                 std::string attribut(iter-&gt;name);
 180 <a name="l00158"></a>00158                 std::string value(iter-&gt;value);
 181 <a name="l00159"></a>00159
 182 <a name="l00160"></a>00160                 AddProperties(attribut, value);
 183 <a name="l00161"></a>00161         }
 184 <a name="l00162"></a>00162 }
 185 <a name="l00163"></a>00163
 186 <a name="l00164"></a>00164
 187 <a name="l00165"></a>00165 <span class="keywordtype">void</span> OSLoader::SetSFIFile(<span class="keyword">const</span> std::string&amp; name)
 188 <a name="l00166"></a>00166 {
 189 <a name="l00167"></a>00167         sfifile = name;
 190 <a name="l00168"></a>00168 }
 191 <a name="l00169"></a>00169
 192 <a name="l00170"></a>00170
 193 <a name="l00171"></a>00171 <span class="keywordtype">bool</span> OSLoader::IsSupported(<span class="keyword">const</span> xmlpp::SaxParser::AttributeList&amp; attrs)
 194 <a name="l00172"></a>00172 {
 195 <a name="l00173"></a>00173         <span class="keywordflow">if</span> (properties.empty())
 196 <a name="l00174"></a>00174                 <span class="keywordflow">return</span> <span class="keyword">false</span>;
 197 <a name="l00175"></a>00175
 198 <a name="l00176"></a>00176         <span class="keywordflow">for</span> (xmlpp::SaxParser::AttributeList::const_iterator iter = attrs.begin(); iter != attrs.end(); ++iter) {
 199 <a name="l00177"></a>00177                 std::string attribut(iter-&gt;name);
 200 <a name="l00178"></a>00178                 std::string value(iter-&gt;value);
 201 <a name="l00179"></a>00179
 202 <a name="l00180"></a>00180                 std::string s = properties[attribut];
 203 <a name="l00181"></a>00181
 204 <a name="l00182"></a>00182                 std::transform(value.begin(), value.end(), value.begin(), ::tolower);
 205 <a name="l00183"></a>00183                 std::transform(s.begin(), s.end(), s.begin(), ::tolower);
 206 <a name="l00184"></a>00184
 207 <a name="l00185"></a>00185                 <span class="keywordflow">if</span> (value[0] == <span class="charliteral">'~'</span>) {
 208 <a name="l00186"></a>00186                         value = value.substr(1, value.length()-1);
 209 <a name="l00187"></a>00187
 210 <a name="l00188"></a>00188                         <span class="keywordflow">if</span> (s == value)
 211 <a name="l00189"></a>00189                                 <span class="keywordflow">return</span> <span class="keyword">false</span>;
 212 <a name="l00190"></a>00190                 }
 213 <a name="l00191"></a>00191                 <span class="keywordflow">else</span> {
 214 <a name="l00192"></a>00192                         <span class="keywordflow">if</span> (s != value)
 215 <a name="l00193"></a>00193                                 <span class="keywordflow">return</span> <span class="keyword">false</span>;
 216 <a name="l00194"></a>00194                 }
 217 <a name="l00195"></a>00195         }
 218 <a name="l00196"></a>00196
 219 <a name="l00197"></a>00197         <span class="keywordflow">return</span> <span class="keyword">true</span>;
 220 <a name="l00198"></a>00198 }
 221 <a name="l00199"></a>00199
 222 <a name="l00200"></a>00200
 223 <a name="l00201"></a>00201 <span class="keywordtype">void</span> OSLoader::AddApplication(OSLoader::CODSectionPtr app)
 224 <a name="l00202"></a>00202 {
 225 <a name="l00203"></a>00203         applications.push_back(app);
 226 <a name="l00204"></a>00204 }
 227 <a name="l00205"></a>00205
 228 <a name="l00206"></a>00206
 229 <a name="l00207"></a>00207 <span class="keywordtype">void</span> OSLoader::AddLibrary(OSLoader::CODSectionPtr lib)
 230 <a name="l00208"></a>00208 {
 231 <a name="l00209"></a>00209         libraries.push_back(lib);
 232 <a name="l00210"></a>00210 }
 233 <a name="l00211"></a>00211
 234 <a name="l00212"></a>00212
 235 <a name="l00213"></a>00213 } <span class="comment">// namespace ALX</span>
 236 <a name="l00214"></a>00214
 237 <a name="l00215"></a>00215 } <span class="comment">// namespace Barry</span>
 238 <a name="l00216"></a>00216
 239 </pre></div></div>
 240 <hr size="1"><address style="text-align: right;"><small>Generated on Thu Feb 10 16:13:57 2011 for Barry by&nbsp;
 241 <a href="http://www.doxygen.org/index.html">
 242 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
 243 </body>
 244 </html>