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<h1>r_command.cc</h1><a href="r__command_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 r_command.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// Internal implementation of CommandTable parser class</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) 2005-2011, 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="record_8h.html" title="Blackberry database record classes.">record.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="record-internal_8h.html" title="Support functions, types, and templates for the general record parsing classes in...">record-internal.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="data_8h.html" title="Class to deal with pre-saved data files.">data.h</a>"</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <sstream></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <iomanip></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="keyword">using namespace </span>std;
<a name="l00029"></a>00029 <span class="keyword">using namespace </span>Barry::Protocol;
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">namespace </span>Barry {
<a name="l00032"></a>00032 <span class="comment"></span>
<a name="l00033"></a>00033 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00034"></a>00034 <span class="comment"></span><span class="comment">// CommandTable class</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 CommandTable::CommandTable()
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 CommandTable::~CommandTable()
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* CommandTable::ParseField(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *begin,
<a name="l00045"></a>00045 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end)
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047 <span class="comment">// check if there is enough data for a header</span>
<a name="l00048"></a>00048 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *headend = begin + <span class="keyword">sizeof</span>(CommandTableField);
<a name="l00049"></a>00049 <span class="keywordflow">if</span>( headend > end )
<a name="l00050"></a>00050 <span class="keywordflow">return</span> headend;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">const</span> CommandTableField *field = (<span class="keyword">const</span> CommandTableField *) begin;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// advance and check size</span>
<a name="l00055"></a>00055 begin += COMMAND_FIELD_HEADER_SIZE + field->size; <span class="comment">// size is byte</span>
<a name="l00056"></a>00056 <span class="keywordflow">if</span>( begin > end ) <span class="comment">// if begin==end, we are ok</span>
<a name="l00057"></a>00057 <span class="keywordflow">return</span> begin;
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordflow">if</span>( !field->size ) <span class="comment">// if field has no size, something's up</span>
<a name="l00060"></a>00060 <span class="keywordflow">return</span> begin;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 Command command;
<a name="l00063"></a>00063 command.Code = field->code;
<a name="l00064"></a>00064 command.Name.assign((<span class="keyword">const</span> <span class="keywordtype">char</span> *)field->name, field->size);
<a name="l00065"></a>00065 Commands.push_back(command);
<a name="l00066"></a>00066 <span class="keywordflow">return</span> begin;
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">void</span> CommandTable::Parse(<span class="keyword">const</span> Data &data, <span class="keywordtype">size_t</span> offset)
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 <span class="keywordflow">if</span>( offset >= data.GetSize() )
<a name="l00072"></a>00072 <span class="keywordflow">return</span>;
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *begin = data.GetData() + offset;
<a name="l00075"></a>00075 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end = data.GetData() + data.GetSize();
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">while</span>( begin < end )
<a name="l00078"></a>00078 begin = ParseField(begin, end);
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keywordtype">void</span> CommandTable::Clear()
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 Commands.clear();
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CommandTable::GetCommand(<span class="keyword">const</span> std::string &name)<span class="keyword"> const</span>
<a name="l00087"></a>00087 <span class="keyword"></span>{
<a name="l00088"></a>00088 CommandArrayType::const_iterator b = Commands.begin();
<a name="l00089"></a>00089 <span class="keywordflow">for</span>( ; b != Commands.end(); b++ )
<a name="l00090"></a>00090 <span class="keywordflow">if</span>( b->Name == name )
<a name="l00091"></a>00091 <span class="keywordflow">return</span> b->Code;
<a name="l00092"></a>00092 <span class="keywordflow">return</span> 0;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">void</span> CommandTable::Dump(std::ostream &os)<span class="keyword"> const</span>
<a name="l00096"></a>00096 <span class="keyword"></span>{
<a name="l00097"></a>00097 CommandArrayType::const_iterator b = Commands.begin();
<a name="l00098"></a>00098 os << <span class="stringliteral">"Command table:\n"</span>;
<a name="l00099"></a>00099 <span class="keywordflow">for</span>( ; b != Commands.end(); b++ ) {
<a name="l00100"></a>00100 os << <span class="stringliteral">" Command: 0x"</span> << setbase(16) << b->Code
<a name="l00101"></a>00101 << <span class="stringliteral">" '"</span> << b->Name << <span class="stringliteral">"'\n"</span>;
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00106"></a>00106 } <span class="comment">// namespace Barry</span>
<a name="l00107"></a>00107
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Tue Mar 1 17:50:16 2011 for Barry by
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