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<h1>configfile.cc</h1><a href="configfile_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 configfile.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// Barry configuraion class, for one device PIN</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) 2007-2010, Net Direct Inc. (http://www.netdirect.ca/)</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00019"></a>00019 <span class="comment"> root directory of this project for more details.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="configfile_8h.html" title="Barry configuraion class, for one device PIN.">configfile.h</a>"</span>
<a name="l00023"></a>00023 <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="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="r__message_8h.html" title="Blackberry database record parser class for email records.">r_message.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <pwd.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <string.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <errno.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <unistd.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <fstream></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <sstream></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">namespace </span>Barry {
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordtype">bool</span> ConfigFile::DBListType::IsSelected(<span class="keyword">const</span> std::string &dbname)<span class="keyword"> const</span>
<a name="l00037"></a>00037 <span class="keyword"></span>{
<a name="l00038"></a>00038 const_iterator i = begin();
<a name="l00039"></a>00039 <span class="keywordflow">for</span>( ; i != end(); ++i ) {
<a name="l00040"></a>00040 <span class="keywordflow">if</span>( *i == dbname ) {
<a name="l00041"></a>00041 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment"></span>
<a name="l00048"></a>00048 <span class="comment">//////////////////////////////////////////////////////////////////////////////</span>
<a name="l00049"></a>00049 <span class="comment"></span><span class="comment">// ConfigFile class members</span>
<a name="l00050"></a>00050 <span class="comment"></span>
<a name="l00051"></a>00051 <span class="comment">/// Loads config file for the given pin, and ends up in an</span>
<a name="l00052"></a>00052 <span class="comment">/// unenlightened state. Throws ConfigFileError on error,</span>
<a name="l00053"></a>00053 <span class="comment">/// but it is not an error if the config does not exist.</span>
<a name="l00054"></a>00054 <span class="comment">/// Never use this if you have a DatabaseDatabase object!</span>
<a name="l00055"></a>00055 <span class="comment">/// This ctor is only for temporary loading of config data.</span>
<a name="l00056"></a><a class="code" href="classBarry_1_1ConfigFile.html#a77c215fe70a81595f6d79402cdabeecd">00056</a> <span class="comment"></span><a class="code" href="classBarry_1_1ConfigFile.html#a77c215fe70a81595f6d79402cdabeecd" title="Loads config file for the given pin, and ends up in an unenlightened state.">ConfigFile::ConfigFile</a>(<a class="code" href="classBarry_1_1Pin.html">Barry::Pin</a> pin)
<a name="l00057"></a>00057 : m_pin(pin)
<a name="l00058"></a>00058 , m_loaded(false)
<a name="l00059"></a>00059 , m_promptBackupLabel(false)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keywordflow">if</span>( m_pin == 0 )
<a name="l00062"></a>00062 <span class="keywordflow">throw</span> <a class="code" href="classBarry_1_1ConfigFileError.html" title="Thrown by the ConfigFile class when encountering a serious system error while loading...">ConfigFileError</a>(<span class="stringliteral">"Configfile: empty pin"</span>);
<a name="l00063"></a>00063
<a name="l00064"></a>00064 BuildFilename();
<a name="l00065"></a>00065 BuildDefaultPath(); <span class="comment">// this handles the situation that path is not set</span>
<a name="l00066"></a>00066 <a class="code" href="classBarry_1_1ConfigFile.html#a7c1c8e24d85b013ba83159c0f7a2a12d" title="Attempt to load the configuration file, but do not fail if not available.">Load</a>();
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068 <span class="comment"></span>
<a name="l00069"></a>00069 <span class="comment">/// Opens and loads config file for given pin, and calls Enlighten</span>
<a name="l00070"></a>00070 <span class="comment">/// Throws ConfigFileError on error. Should never fail unless</span>
<a name="l00071"></a>00071 <span class="comment">/// passed a bad pin.</span>
<a name="l00072"></a><a class="code" href="classBarry_1_1ConfigFile.html#a0c2f123cc6772f9a2d63a9996fe5d209">00072</a> <span class="comment"></span><a class="code" href="classBarry_1_1ConfigFile.html#a77c215fe70a81595f6d79402cdabeecd" title="Loads config file for the given pin, and ends up in an unenlightened state.">ConfigFile::ConfigFile</a>(<a class="code" href="classBarry_1_1Pin.html">Barry::Pin</a> pin,
<a name="l00073"></a>00073 <span class="keyword">const</span> <a class="code" href="classBarry_1_1DatabaseDatabase.html">Barry::DatabaseDatabase</a> &db)
<a name="l00074"></a>00074 : m_pin(pin)
<a name="l00075"></a>00075 , m_loaded(false)
<a name="l00076"></a>00076 , m_promptBackupLabel(false)
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span>( m_pin == 0 )
<a name="l00079"></a>00079 <span class="keywordflow">throw</span> <a class="code" href="classBarry_1_1ConfigFileError.html" title="Thrown by the ConfigFile class when encountering a serious system error while loading...">ConfigFileError</a>(<span class="stringliteral">"Configfile: empty pin"</span>);
<a name="l00080"></a>00080
<a name="l00081"></a>00081 BuildFilename();
<a name="l00082"></a>00082 BuildDefaultPath();
<a name="l00083"></a>00083 <a class="code" href="classBarry_1_1ConfigFile.html#a7c1c8e24d85b013ba83159c0f7a2a12d" title="Attempt to load the configuration file, but do not fail if not available.">Load</a>();
<a name="l00084"></a>00084 <a class="code" href="classBarry_1_1ConfigFile.html#a7e238ad959a35f9d31644e3221d6edec" title="Compares a given databasedatabase from a real device with the current config.">Enlighten</a>(db);
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 ConfigFile::~ConfigFile()
<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> ConfigFile::BuildFilename()
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keyword">struct </span>passwd *pw = getpwuid(getuid());
<a name="l00094"></a>00094 <span class="keywordflow">if</span>( !pw )
<a name="l00095"></a>00095 <span class="keywordflow">throw</span> ConfigFileError(<span class="stringliteral">"BuildFilename: getpwuid failed"</span>, errno);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 m_filename = pw->pw_dir;
<a name="l00098"></a>00098 m_filename += <span class="stringliteral">"/.barry/backup/"</span>;
<a name="l00099"></a>00099 m_filename += m_pin.str();
<a name="l00100"></a>00100 m_filename += <span class="stringliteral">"/config"</span>;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordtype">void</span> ConfigFile::BuildDefaultPath()
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 <span class="keyword">struct </span>passwd *pw = getpwuid(getuid());
<a name="l00106"></a>00106 m_path = pw->pw_dir;
<a name="l00107"></a>00107 m_path += <span class="stringliteral">"/.barry/backup/"</span>;
<a name="l00108"></a>00108 m_path += m_pin.str();
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">void</span> ConfigFile::Clear()
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 m_loaded = <span class="keyword">false</span>;
<a name="l00114"></a>00114 m_backupList.clear();
<a name="l00115"></a>00115 m_restoreList.clear();
<a name="l00116"></a>00116 m_deviceName.clear();
<a name="l00117"></a>00117 m_promptBackupLabel = <span class="keyword">false</span>;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="comment"></span>
<a name="l00120"></a>00120 <span class="comment">/// Attempt to load the configuration file, but do not fail if not available</span>
<a name="l00121"></a><a class="code" href="classBarry_1_1ConfigFile.html#a7c1c8e24d85b013ba83159c0f7a2a12d">00121</a> <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="classBarry_1_1ConfigFile.html#a7c1c8e24d85b013ba83159c0f7a2a12d" title="Attempt to load the configuration file, but do not fail if not available.">ConfigFile::Load</a>()
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 <span class="comment">// start fresh</span>
<a name="l00124"></a>00124 Clear();
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="comment">// open input file</span>
<a name="l00127"></a>00127 std::ifstream in(m_filename.c_str(), std::ios::in | std::ios::binary);
<a name="l00128"></a>00128 <span class="keywordflow">if</span>( !in )
<a name="l00129"></a>00129 <span class="keywordflow">return</span>;
<a name="l00130"></a>00130
<a name="l00131"></a>00131 std::string line;
<a name="l00132"></a>00132 <a class="code" href="classBarry_1_1ConfigFile_1_1DBListType.html">DBListType</a> *pList = 0;
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keywordflow">while</span>( std::getline(in, line) ) {
<a name="l00135"></a>00135 std::string keyword;
<a name="l00136"></a>00136 std::istringstream iss(line);
<a name="l00137"></a>00137 iss >> keyword;
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"backup_list"</span> ) {
<a name="l00140"></a>00140 pList = &m_backupList;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"restore_list"</span> ) {
<a name="l00143"></a>00143 pList = &m_restoreList;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( line[0] == <span class="charliteral">' '</span> && pList ) {
<a name="l00146"></a>00146 pList->push_back(line.c_str() + 1);
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="keywordflow">else</span> {
<a name="l00149"></a>00149 pList = 0;
<a name="l00150"></a>00150
<a name="l00151"></a>00151 <span class="comment">// add all remaining keyword checks here</span>
<a name="l00152"></a>00152 <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"device_name"</span> ) {
<a name="l00153"></a>00153 iss >> std::ws;
<a name="l00154"></a>00154 std::getline(iss, m_deviceName);
<a name="l00155"></a>00155 <span class="keywordflow">if</span>( m_deviceName.size() == 0 ) {
<a name="l00156"></a>00156 <span class="comment">// if there is a device_name setting,</span>
<a name="l00157"></a>00157 <span class="comment">// then this value must hold something,</span>
<a name="l00158"></a>00158 <span class="comment">// so that the user can ignore this</span>
<a name="l00159"></a>00159 <span class="comment">// field, and not get pestered all</span>
<a name="l00160"></a>00160 <span class="comment">// the time</span>
<a name="l00161"></a>00161 m_deviceName = <span class="stringliteral">" "</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"backup_path"</span> ) {
<a name="l00165"></a>00165 iss >> std::ws;
<a name="l00166"></a>00166 std::getline(iss, m_path);
<a name="l00167"></a>00167 <span class="keywordflow">if</span>( (m_path.size() == 0) || !(<a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46" title="Checks that the path in path exists, and if not, creates it.">CheckPath</a>(m_path)))
<a name="l00168"></a>00168 BuildDefaultPath();
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"prompt_backup_label"</span> ) {
<a name="l00171"></a>00171 <span class="keywordtype">int</span> flag;
<a name="l00172"></a>00172 iss >> flag;
<a name="l00173"></a>00173 m_promptBackupLabel = flag;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 }
<a name="l00177"></a>00177
<a name="l00178"></a>00178 m_loaded = <span class="keyword">true</span>;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180 <span class="comment"></span>
<a name="l00181"></a>00181 <span class="comment">/// Saves current device's config, overwriting or creating a config file</span>
<a name="l00182"></a><a class="code" href="classBarry_1_1ConfigFile.html#a94b2a621e4a027c9463e99095b49fc03">00182</a> <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="classBarry_1_1ConfigFile.html#a94b2a621e4a027c9463e99095b49fc03" title="Saves current device&#39;s config, overwriting or creating a config file.">ConfigFile::Save</a>()
<a name="l00183"></a>00183 {
<a name="l00184"></a>00184 <span class="keywordflow">if</span>( !<a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46" title="Checks that the path in path exists, and if not, creates it.">CheckPath</a>(m_path, &m_last_error) )
<a name="l00185"></a>00185 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 std::ofstream out(m_filename.c_str(), std::ios::out | std::ios::binary);
<a name="l00188"></a>00188 <span class="keywordflow">if</span>( !out ) {
<a name="l00189"></a>00189 m_last_error = <span class="stringliteral">"Unable to open "</span> + m_filename + <span class="stringliteral">" for writing."</span>;
<a name="l00190"></a>00190 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 out << <span class="stringliteral">"backup_list"</span> << std::endl;
<a name="l00194"></a>00194 <span class="keywordflow">for</span>( DBListType::iterator i = m_backupList.begin(); i != m_backupList.end(); ++i ) {
<a name="l00195"></a>00195 out << <span class="stringliteral">" "</span> << *i << std::endl;
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198 out << <span class="stringliteral">"restore_list"</span> << std::endl;
<a name="l00199"></a>00199 <span class="keywordflow">for</span>( DBListType::iterator i = m_restoreList.begin(); i != m_restoreList.end(); ++i ) {
<a name="l00200"></a>00200 out << <span class="stringliteral">" "</span> << *i << std::endl;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordflow">if</span>( m_deviceName.size() ) {
<a name="l00204"></a>00204 out << <span class="stringliteral">"device_name "</span> << m_deviceName << std::endl;
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">if</span>( m_path.size() ) {
<a name="l00208"></a>00208 out << <span class="stringliteral">"backup_path "</span> << m_path << std::endl;
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211 out << <span class="stringliteral">"prompt_backup_label "</span> << (m_promptBackupLabel ? 1 : 0) << std::endl;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">if</span>( !out ) {
<a name="l00214"></a>00214 m_last_error = <span class="stringliteral">"Error during write. Config may be incomplete."</span>;
<a name="l00215"></a>00215 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00216"></a>00216 }
<a name="l00217"></a>00217 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 <span class="comment"></span>
<a name="l00220"></a>00220 <span class="comment">/// Compares a given databasedatabase from a real device with the</span>
<a name="l00221"></a>00221 <span class="comment">/// current config. If not yet configured, initialize with valid</span>
<a name="l00222"></a>00222 <span class="comment">/// defaults.</span>
<a name="l00223"></a><a class="code" href="classBarry_1_1ConfigFile.html#a7e238ad959a35f9d31644e3221d6edec">00223</a> <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="classBarry_1_1ConfigFile.html#a7e238ad959a35f9d31644e3221d6edec" title="Compares a given databasedatabase from a real device with the current config.">ConfigFile::Enlighten</a>(<span class="keyword">const</span> <a class="code" href="classBarry_1_1DatabaseDatabase.html">Barry::DatabaseDatabase</a> &db)
<a name="l00224"></a>00224 {
<a name="l00225"></a>00225 <span class="keywordflow">if</span>( !m_loaded ) {
<a name="l00226"></a>00226 <span class="comment">// if not fully loaded, we use db as our default list</span>
<a name="l00227"></a>00227 <span class="comment">// our defaults are: backup everything, restore everything</span>
<a name="l00228"></a>00228 <span class="comment">// except email</span>
<a name="l00229"></a>00229
<a name="l00230"></a>00230 m_backupList.clear();
<a name="l00231"></a>00231 m_restoreList.clear();
<a name="l00232"></a>00232
<a name="l00233"></a>00233 Barry::DatabaseDatabase::DatabaseArrayType::const_iterator i =
<a name="l00234"></a>00234 db.Databases.begin();
<a name="l00235"></a>00235 <span class="keywordflow">for</span>( ; i != db.Databases.end(); ++i ) {
<a name="l00236"></a>00236 <span class="comment">// backup everything</span>
<a name="l00237"></a>00237 m_backupList.push_back(i->Name);
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">// restore everything except email (which could take ages)</span>
<a name="l00240"></a>00240 <span class="comment">// and Handheld Agent (which seems write protected)</span>
<a name="l00241"></a>00241 <span class="keywordflow">if</span>( i->Name != Barry::Message::GetDBName() &&
<a name="l00242"></a>00242 i->Name != <span class="stringliteral">"Handheld Agent"</span> )
<a name="l00243"></a>00243 {
<a name="l00244"></a>00244 m_restoreList.push_back(i->Name);
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249 <span class="comment"></span>
<a name="l00250"></a>00250 <span class="comment">/// Sets list with new config</span>
<a name="l00251"></a><a class="code" href="classBarry_1_1ConfigFile.html#a9b1e30ff7cd571b3506f041ece85b014">00251</a> <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="classBarry_1_1ConfigFile.html#a9b1e30ff7cd571b3506f041ece85b014" title="Sets list with new config.">ConfigFile::SetBackupList</a>(<span class="keyword">const</span> <a class="code" href="classBarry_1_1ConfigFile_1_1DBListType.html">DBListType</a> &list)
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 m_backupList = list;
<a name="l00254"></a>00254 m_loaded = <span class="keyword">true</span>;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordtype">void</span> ConfigFile::SetRestoreList(<span class="keyword">const</span> DBListType &list)
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 m_restoreList = list;
<a name="l00260"></a>00260 m_loaded = <span class="keyword">true</span>;
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keywordtype">void</span> ConfigFile::SetDeviceName(<span class="keyword">const</span> std::string &name)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <span class="keywordflow">if</span>( name.size() )
<a name="l00266"></a>00266 m_deviceName = name;
<a name="l00267"></a>00267 <span class="keywordflow">else</span>
<a name="l00268"></a>00268 m_deviceName = <span class="stringliteral">" "</span>;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordtype">void</span> ConfigFile::SetBackupPath(<span class="keyword">const</span> std::string &path)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 <span class="keywordflow">if</span>( path.size() && <a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46" title="Checks that the path in path exists, and if not, creates it.">CheckPath</a>(path) )
<a name="l00274"></a>00274 m_path = path;
<a name="l00275"></a>00275 <span class="keywordflow">else</span>
<a name="l00276"></a>00276 BuildDefaultPath();
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordtype">void</span> ConfigFile::SetPromptBackupLabel(<span class="keywordtype">bool</span> prompt)
<a name="l00280"></a>00280 {
<a name="l00281"></a>00281 m_promptBackupLabel = prompt;
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 <span class="comment"></span>
<a name="l00284"></a>00284 <span class="comment">/// Checks that the path in path exists, and if not, creates it.</span>
<a name="l00285"></a>00285 <span class="comment">/// Returns false if unable to create path, true if ok.</span>
<a name="l00286"></a><a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46">00286</a> <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46" title="Checks that the path in path exists, and if not, creates it.">ConfigFile::CheckPath</a>(<span class="keyword">const</span> std::string &path, std::string *perr)
<a name="l00287"></a>00287 {
<a name="l00288"></a>00288 <span class="keywordflow">if</span>( path.size() == 0 ) {
<a name="l00289"></a>00289 <span class="keywordflow">if</span>( perr )
<a name="l00290"></a>00290 *perr = <span class="stringliteral">"path is empty!"</span>;
<a name="l00291"></a>00291 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 <span class="keywordflow">if</span>( access(path.c_str(), F_OK) == 0 )
<a name="l00295"></a>00295 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00296"></a>00296
<a name="l00297"></a>00297 std::string base;
<a name="l00298"></a>00298 std::string::size_type slash = 0;
<a name="l00299"></a>00299 <span class="keywordflow">while</span>( (slash = path.find(<span class="charliteral">'/'</span>, slash + 1)) != std::string::npos ) {
<a name="l00300"></a>00300 base = path.substr(0, slash);
<a name="l00301"></a>00301 <span class="keywordflow">if</span>( access(base.c_str(), F_OK) != 0 ) {
<a name="l00302"></a>00302 <span class="keywordflow">if</span>( mkdir(base.c_str(), 0755) == -1 ) {
<a name="l00303"></a>00303 <span class="keywordflow">if</span>( perr ) {
<a name="l00304"></a>00304 *perr = <span class="stringliteral">"mkdir("</span> + base + <span class="stringliteral">") failed: "</span>;
<a name="l00305"></a>00305 *perr += strerror(errno);
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 }
<a name="l00311"></a>00311 <span class="keywordflow">if</span>( mkdir(path.c_str(), 0755) == -1 ) {
<a name="l00312"></a>00312 <span class="keywordflow">if</span>( perr ) {
<a name="l00313"></a>00313 *perr = <span class="stringliteral">"last mkdir("</span> + path + <span class="stringliteral">") failed: "</span>;
<a name="l00314"></a>00314 *perr += strerror(errno);
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="comment"></span>
<a name="l00323"></a>00323 <span class="comment">//////////////////////////////////////////////////////////////////////////////</span>
<a name="l00324"></a>00324 <span class="comment"></span><span class="comment">// GlobalConfigFile class members</span>
<a name="l00325"></a>00325
<a name="l00326"></a><a class="code" href="classBarry_1_1GlobalConfigFile.html#a2eb522741d05030a0f28f61c41afa5a0">00326</a> <a class="code" href="classBarry_1_1GlobalConfigFile.html#a2eb522741d05030a0f28f61c41afa5a0" title="Loads the global config file.">GlobalConfigFile::GlobalConfigFile</a>()
<a name="l00327"></a>00327 : m_loaded(false)
<a name="l00328"></a>00328 , m_verboseLogging(false)
<a name="l00329"></a>00329 {
<a name="l00330"></a>00330 BuildFilename();
<a name="l00331"></a>00331 Load();
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333
<a name="l00334"></a><a class="code" href="classBarry_1_1GlobalConfigFile.html#a80ab4bc24a514e06ed9a1150e49a40a2">00334</a> <a class="code" href="classBarry_1_1GlobalConfigFile.html#a2eb522741d05030a0f28f61c41afa5a0" title="Loads the global config file.">GlobalConfigFile::GlobalConfigFile</a>(<span class="keyword">const</span> std::string &appname)
<a name="l00335"></a>00335 : m_loaded(false)
<a name="l00336"></a>00336 , m_appname(appname)
<a name="l00337"></a>00337 , m_verboseLogging(false)
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 <span class="comment">// there can be no spaces in the appname</span>
<a name="l00340"></a>00340 <span class="keywordflow">if</span>( m_appname.find(<span class="charliteral">' '</span>) != std::string::npos )
<a name="l00341"></a>00341 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"App name must have no spaces."</span>);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 BuildFilename();
<a name="l00344"></a>00344 Load();
<a name="l00345"></a>00345 }
<a name="l00346"></a>00346
<a name="l00347"></a>00347 GlobalConfigFile::~GlobalConfigFile()
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="keywordtype">void</span> GlobalConfigFile::BuildFilename()
<a name="l00352"></a>00352 {
<a name="l00353"></a>00353 <span class="keyword">struct </span>passwd *pw = getpwuid(getuid());
<a name="l00354"></a>00354 <span class="keywordflow">if</span>( !pw )
<a name="l00355"></a>00355 <span class="keywordflow">throw</span> ConfigFileError(<span class="stringliteral">"BuildFilename: getpwuid failed"</span>, errno);
<a name="l00356"></a>00356
<a name="l00357"></a>00357 m_filename = pw->pw_dir;
<a name="l00358"></a>00358 m_filename += <span class="stringliteral">"/.barry/config"</span>;
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="comment">// build the global path too, since this never changes</span>
<a name="l00361"></a>00361 m_path = pw->pw_dir;
<a name="l00362"></a>00362 m_path += <span class="stringliteral">"/.barry"</span>;
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364
<a name="l00365"></a>00365 <span class="keywordtype">void</span> GlobalConfigFile::Clear()
<a name="l00366"></a>00366 {
<a name="l00367"></a>00367 m_loaded = <span class="keyword">false</span>;
<a name="l00368"></a>00368 m_lastDevice = 0;
<a name="l00369"></a>00369 }
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keywordtype">void</span> GlobalConfigFile::Load()
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 <span class="comment">// start fresh</span>
<a name="l00374"></a>00374 Clear();
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="comment">// open input file</span>
<a name="l00377"></a>00377 std::ifstream in(m_filename.c_str(), std::ios::in | std::ios::binary);
<a name="l00378"></a>00378 <span class="keywordflow">if</span>( !in )
<a name="l00379"></a>00379 <span class="keywordflow">return</span>;
<a name="l00380"></a>00380
<a name="l00381"></a>00381 std::string line;
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="keywordflow">while</span>( std::getline(in, line) ) {
<a name="l00384"></a>00384 std::string keyword;
<a name="l00385"></a>00385 std::istringstream iss(line);
<a name="l00386"></a>00386 iss >> keyword;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"last_device"</span> ) {
<a name="l00389"></a>00389 iss >> std::ws;
<a name="l00390"></a>00390 m_lastDevice.clear();
<a name="l00391"></a>00391 iss >> m_lastDevice;
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( keyword == <span class="stringliteral">"verbose_logging"</span> ) {
<a name="l00394"></a>00394 <span class="keywordtype">int</span> flag = 0;
<a name="l00395"></a>00395 iss >> flag;
<a name="l00396"></a>00396 m_verboseLogging = flag;
<a name="l00397"></a>00397 }
<a name="l00398"></a>00398 <span class="keywordflow">else</span> {
<a name="l00399"></a>00399 <span class="comment">// store any other keys as app keys</span>
<a name="l00400"></a>00400 <span class="keywordflow">if</span>( keyword.substr(0, 2) == <span class="stringliteral">"X-"</span> ) {
<a name="l00401"></a>00401 iss >> std::ws;
<a name="l00402"></a>00402 line.clear();
<a name="l00403"></a>00403 std::getline(iss, line);
<a name="l00404"></a>00404 m_keymap[keyword] = line;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406 }
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408
<a name="l00409"></a>00409 m_loaded = <span class="keyword">true</span>;
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 <span class="comment"></span>
<a name="l00412"></a>00412 <span class="comment">/// Save the current global config, overwriting or creating as needed</span>
<a name="l00413"></a><a class="code" href="classBarry_1_1GlobalConfigFile.html#a51eb5ad1d623f66e4bb3c7b8d43eeebb">00413</a> <span class="comment"></span><span class="keywordtype">bool</span> <a class="code" href="classBarry_1_1GlobalConfigFile.html#a51eb5ad1d623f66e4bb3c7b8d43eeebb" title="Save the current global config, overwriting or creating as needed.">GlobalConfigFile::Save</a>()
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 <span class="keywordflow">if</span>( !<a class="code" href="classBarry_1_1ConfigFile.html#af06a343c8df13c801348ed0b4d781b46" title="Checks that the path in path exists, and if not, creates it.">ConfigFile::CheckPath</a>(m_path, &m_last_error) )
<a name="l00416"></a>00416 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00417"></a>00417
<a name="l00418"></a>00418 std::ofstream out(m_filename.c_str(), std::ios::out | std::ios::binary);
<a name="l00419"></a>00419 <span class="keywordflow">if</span>( !out ) {
<a name="l00420"></a>00420 m_last_error = <span class="stringliteral">"Unable to open "</span> + m_filename + <span class="stringliteral">" for writing."</span>;
<a name="l00421"></a>00421 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="keywordflow">if</span>( !(m_lastDevice == 0) ) {
<a name="l00425"></a>00425 out << <span class="stringliteral">"last_device "</span> << m_lastDevice.str() << std::endl;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427
<a name="l00428"></a>00428 out << <span class="stringliteral">"verbose_logging "</span> << (m_verboseLogging ? 1 : 0) << std::endl;
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="comment">// store all app keys</span>
<a name="l00431"></a>00431 keymap_type::const_iterator ci = m_keymap.begin();
<a name="l00432"></a>00432 <span class="keywordflow">for</span>( ; ci != m_keymap.end(); ++ci ) {
<a name="l00433"></a>00433 out << ci->first << <span class="stringliteral">" "</span> << ci->second << std::endl;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="keywordflow">if</span>( !out ) {
<a name="l00437"></a>00437 m_last_error = <span class="stringliteral">"Error during write. Config may be incomplete."</span>;
<a name="l00438"></a>00438 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00439"></a>00439 }
<a name="l00440"></a>00440 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442
<a name="l00443"></a><a class="code" href="classBarry_1_1GlobalConfigFile.html#a529c89e13dc9ca1be81483ce231fb090">00443</a> <span class="keywordtype">void</span> <a class="code" href="classBarry_1_1GlobalConfigFile.html#a529c89e13dc9ca1be81483ce231fb090" title="Throws std::logic_error if not constructed with an appname.">GlobalConfigFile::SetKey</a>(<span class="keyword">const</span> std::string &key, <span class="keyword">const</span> std::string &value)
<a name="l00444"></a>00444 {
<a name="l00445"></a>00445 <span class="keywordflow">if</span>( !m_appname.size() )
<a name="l00446"></a>00446 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Cannot use SetKey() without specifying an appname in the constructor."</span>);
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordflow">if</span>( value.find_first_of(<span class="stringliteral">"\n\r"</span>) != std::string::npos )
<a name="l00449"></a>00449 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"SetKey values may not contain newline characters."</span>);
<a name="l00450"></a>00450
<a name="l00451"></a>00451 std::string fullkey = <span class="stringliteral">"X-"</span> + m_appname + <span class="stringliteral">"-"</span> + key;
<a name="l00452"></a>00452 m_keymap[fullkey] = value;
<a name="l00453"></a>00453 }
<a name="l00454"></a>00454
<a name="l00455"></a>00455 std::string GlobalConfigFile::GetKey(<span class="keyword">const</span> std::string &key)<span class="keyword"> const</span>
<a name="l00456"></a>00456 <span class="keyword"></span>{
<a name="l00457"></a>00457 <span class="keywordflow">if</span>( !m_appname.size() )
<a name="l00458"></a>00458 <span class="keywordflow">throw</span> std::logic_error(<span class="stringliteral">"Cannot use SetKey() without specifying an appname in the constructor."</span>);
<a name="l00459"></a>00459
<a name="l00460"></a>00460 std::string fullkey = <span class="stringliteral">"X-"</span> + m_appname + <span class="stringliteral">"-"</span> + key;
<a name="l00461"></a>00461 keymap_type::const_iterator ci = m_keymap.find(fullkey);
<a name="l00462"></a>00462 <span class="keywordflow">if</span>( ci == m_keymap.end() )
<a name="l00463"></a>00463 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00464"></a>00464 <span class="keywordflow">return</span> ci->second;
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466
<a name="l00467"></a>00467 <span class="keywordtype">void</span> GlobalConfigFile::SetLastDevice(<span class="keyword">const</span> <a class="code" href="classBarry_1_1Pin.html">Barry::Pin</a> &pin)
<a name="l00468"></a>00468 {
<a name="l00469"></a>00469 m_lastDevice = pin;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keywordtype">void</span> GlobalConfigFile::SetVerboseLogging(<span class="keywordtype">bool</span> verbose)
<a name="l00473"></a>00473 {
<a name="l00474"></a>00474 m_verboseLogging = verbose;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477
<a name="l00478"></a>00478 } <span class="comment">// namespace Barry</span>
<a name="l00479"></a>00479
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