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<h1>data.cc</h1><a href="data_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 data.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// Classes to help manage pre-determined data files.</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) 2005-2010, 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="data_8h.html" title="Class to deal with pre-saved data files.">data.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <fstream></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <sstream></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <iomanip></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <string></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <stdexcept></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <string.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="comment">//#define __DEBUG_MODE__</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "debug.h"</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">using namespace </span>std;
<a name="l00036"></a>00036
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keyword">namespace </span>Barry {
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keyword">inline</span> <span class="keywordtype">bool</span> IsHexData(<span class="keyword">const</span> std::string &s)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="keyword">const</span> <span class="keywordtype">char</span> *str = s.c_str();
<a name="l00043"></a>00043 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> i = 0; i < 4 && *str; str++, i++ )
<a name="l00044"></a>00044 <span class="keywordflow">if</span>( *str != <span class="charliteral">' '</span> )
<a name="l00045"></a>00045 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keywordflow">for</span>( <span class="keywordtype">int</span> i = 0; i < 8 && *str; str++, i++ ) {
<a name="l00048"></a>00048 <span class="keyword">const</span> <span class="keywordtype">char</span> *hexchars = <span class="stringliteral">"0123456789abcdef"</span>;
<a name="l00049"></a>00049 <span class="keywordflow">if</span>( strchr(hexchars, *str) == NULL )
<a name="l00050"></a>00050 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">if</span>( *str != <span class="charliteral">':'</span> )
<a name="l00054"></a>00054 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment"></span>
<a name="l00061"></a>00061 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00062"></a>00062 <span class="comment"></span><span class="comment">// Data class</span>
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">bool</span> Data::bPrintAscii = <span class="keyword">true</span>;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 Data::Data()
<a name="l00067"></a>00067 : m_data(new unsigned char[0x4000]),
<a name="l00068"></a>00068 m_bufsize(0x4000),
<a name="l00069"></a>00069 m_datasize(0),
<a name="l00070"></a>00070 m_endpoint(-1),
<a name="l00071"></a>00071 m_externalData(0),
<a name="l00072"></a>00072 m_external(false)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 memset(m_data, 0, m_bufsize);
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 Data::Data(<span class="keywordtype">int</span> endpoint, <span class="keywordtype">size_t</span> startsize)
<a name="l00078"></a>00078 : m_data(new unsigned char[startsize]),
<a name="l00079"></a>00079 m_bufsize(startsize),
<a name="l00080"></a>00080 m_datasize(0),
<a name="l00081"></a>00081 m_endpoint(endpoint),
<a name="l00082"></a>00082 m_externalData(0),
<a name="l00083"></a>00083 m_external(false)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 memset(m_data, 0, m_bufsize);
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 Data::Data(<span class="keyword">const</span> <span class="keywordtype">void</span> *ValidData, <span class="keywordtype">size_t</span> size)
<a name="l00089"></a>00089 : m_data(0),
<a name="l00090"></a>00090 m_bufsize(0),
<a name="l00091"></a>00091 m_datasize(size),
<a name="l00092"></a>00092 m_endpoint(-1),
<a name="l00093"></a>00093 m_externalData((const unsigned char*)ValidData),
<a name="l00094"></a>00094 m_external(true)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a>00098 Data::Data(<span class="keyword">const</span> Data &other)
<a name="l00099"></a>00099 : m_data(other.m_bufsize ? new unsigned char[other.m_bufsize] : 0),
<a name="l00100"></a>00100 m_bufsize(other.m_bufsize),
<a name="l00101"></a>00101 m_datasize(other.m_datasize),
<a name="l00102"></a>00102 m_endpoint(other.m_endpoint),
<a name="l00103"></a>00103 m_externalData(other.m_externalData),
<a name="l00104"></a>00104 m_external(other.m_external)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106 <span class="comment">// copy over the raw data</span>
<a name="l00107"></a>00107 <span class="keywordflow">if</span>( !m_external )
<a name="l00108"></a>00108 memcpy(m_data, other.m_data, other.m_bufsize);
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 Data::~Data()
<a name="l00112"></a>00112 {
<a name="l00113"></a>00113 <span class="keyword">delete</span> [] m_data;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="keywordtype">void</span> Data::MakeSpace(<span class="keywordtype">size_t</span> desiredsize)
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 <span class="keywordflow">if</span>( m_bufsize < desiredsize ) {
<a name="l00119"></a>00119 desiredsize += 1024; <span class="comment">// get a proper chunk</span>
<a name="l00120"></a>00120 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *newbuf = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>[desiredsize];
<a name="l00121"></a>00121 memcpy(newbuf, m_data, m_bufsize);
<a name="l00122"></a>00122 memset(newbuf + m_bufsize, 0, desiredsize - m_bufsize);
<a name="l00123"></a>00123 <span class="keyword">delete</span> [] m_data;
<a name="l00124"></a>00124 m_data = newbuf;
<a name="l00125"></a>00125 m_bufsize = desiredsize;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="comment">// perform the copy on write operation if needed</span>
<a name="l00130"></a>00130 <span class="keywordtype">void</span> Data::CopyOnWrite(<span class="keywordtype">size_t</span> desiredsize)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordflow">if</span>( m_external ) {
<a name="l00133"></a>00133 <span class="comment">// make room</span>
<a name="l00134"></a>00134 MakeSpace(std::max(desiredsize, m_datasize));
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="comment">// copy it over</span>
<a name="l00137"></a>00137 memcpy(m_data, m_externalData, m_datasize);
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="comment">// not external anymore</span>
<a name="l00140"></a>00140 m_external = <span class="keyword">false</span>;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordtype">void</span> Data::InputHexLine(istream &is)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> values[16];
<a name="l00147"></a>00147 <span class="keywordtype">size_t</span> index = 0;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordtype">size_t</span> address;
<a name="l00150"></a>00150 is >> setbase(16) >> address;
<a name="l00151"></a>00151 <span class="keywordflow">if</span>( !is )
<a name="l00152"></a>00152 <span class="keywordflow">return</span>; <span class="comment">// nothing to do</span>
<a name="l00153"></a>00153
<a name="l00154"></a>00154 is.ignore(); <span class="comment">// eat the ':'</span>
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="keywordflow">while</span>( is && index < 16 ) {
<a name="l00157"></a>00157 is >> setbase(16) >> values[index];
<a name="l00158"></a>00158 <span class="keywordflow">if</span>( is )
<a name="l00159"></a>00159 index++;
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161
<a name="l00162"></a>00162 dout(<span class="stringliteral">"InputHexLine: read "</span> << index << <span class="stringliteral">" bytes"</span>);
<a name="l00163"></a>00163
<a name="l00164"></a>00164 CopyOnWrite(address + index);
<a name="l00165"></a>00165 MakeSpace(address + index); <span class="comment">// make space for the new</span>
<a name="l00166"></a>00166 m_datasize = std::max(address + index, m_datasize);
<a name="l00167"></a>00167 <span class="keywordflow">while</span>( index-- )
<a name="l00168"></a>00168 m_data[address + index] = (<span class="keywordtype">unsigned</span> char) values[index];
<a name="l00169"></a>00169 <span class="keywordflow">return</span>;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordtype">void</span> Data::DumpHexLine(ostream &os, <span class="keywordtype">size_t</span> index, <span class="keywordtype">size_t</span> size)<span class="keyword"> const</span>
<a name="l00173"></a>00173 <span class="keyword"></span>{
<a name="l00174"></a>00174 ios::fmtflags oldflags = os.setf(ios::right);
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="comment">// index</span>
<a name="l00177"></a>00177 os << <span class="stringliteral">" "</span>;
<a name="l00178"></a>00178 os << setbase(16) << setfill(<span class="charliteral">'0'</span>) << setw(8)
<a name="l00179"></a>00179 << index << <span class="stringliteral">": "</span>;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="comment">// hex byte data</span>
<a name="l00182"></a>00182 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> i = 0; i < size; i++ ) {
<a name="l00183"></a>00183 <span class="keywordflow">if</span>( (index+i) < GetSize() ) {
<a name="l00184"></a>00184 os << setbase(16) << setfill(<span class="charliteral">'0'</span>)
<a name="l00185"></a>00185 << setw(2) << setprecision(2)
<a name="l00186"></a>00186 << (<span class="keywordtype">unsigned</span> int) GetData()[index + i] << <span class="charliteral">' '</span>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="keywordflow">else</span> {
<a name="l00189"></a>00189 os << <span class="stringliteral">" "</span>;
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="comment">// printable data</span>
<a name="l00194"></a>00194 <span class="keywordflow">if</span>( bPrintAscii ) {
<a name="l00195"></a>00195 locale loc = os.getloc();
<a name="l00196"></a>00196 os << <span class="charliteral">' '</span>;
<a name="l00197"></a>00197 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> i = 0; i < size && (index+i) < GetSize(); i++ ) {
<a name="l00198"></a>00198 ostream::traits_type::char_type c = GetData()[index + i];
<a name="l00199"></a>00199 os << setbase(10) << (char) (isprint(c, loc) ? c : <span class="charliteral">'.'</span>);
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 os << <span class="stringliteral">"\n"</span>;
<a name="l00204"></a>00204 os.flags(oldflags);
<a name="l00205"></a>00205 }
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordtype">void</span> Data::DumpHex(ostream &os)<span class="keyword"> const</span>
<a name="l00208"></a>00208 <span class="keyword"></span>{
<a name="l00209"></a>00209 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> address = 0; address < GetSize(); address += 16 ) {
<a name="l00210"></a>00210 DumpHexLine(os, address, 16);
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> * Data::GetBuffer(<span class="keywordtype">size_t</span> requiredsize)
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216 CopyOnWrite(requiredsize);
<a name="l00217"></a>00217 <span class="keywordflow">if</span>( requiredsize > 0 )
<a name="l00218"></a>00218 MakeSpace(requiredsize);
<a name="l00219"></a>00219 <span class="keywordflow">return</span> m_data;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keywordtype">void</span> Data::ReleaseBuffer(<span class="keywordtype">int</span> datasize)
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 assert( datasize >= 0 || datasize == -1 );
<a name="l00225"></a>00225 assert( datasize == -1 || (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)datasize <= m_bufsize );
<a name="l00226"></a>00226 assert( !m_external );
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="keywordflow">if</span>( m_external )
<a name="l00229"></a>00229 <span class="keywordflow">return</span>;
<a name="l00230"></a>00230 <span class="keywordflow">if</span>( datasize >= 0 && (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)datasize > m_bufsize ) {
<a name="l00231"></a>00231 dout(<span class="stringliteral">"ReleaseBuffer called with datasize("</span>
<a name="l00232"></a>00232 << std::dec << datasize << <span class="stringliteral">") > m_bufsize("</span>
<a name="l00233"></a>00233 << m_bufsize << <span class="stringliteral">")"</span>);
<a name="l00234"></a>00234 <span class="keywordflow">return</span>;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">if</span>( datasize >= 0 ) {
<a name="l00238"></a>00238 m_datasize = datasize;
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240 <span class="keywordflow">else</span> {
<a name="l00241"></a>00241 <span class="comment">// search for last non-zero value in buffer</span>
<a name="l00242"></a>00242 m_datasize = m_bufsize - 1;
<a name="l00243"></a>00243 <span class="keywordflow">while</span>( m_datasize && m_data[m_datasize] == 0 )
<a name="l00244"></a>00244 --m_datasize;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 <span class="comment"></span>
<a name="l00248"></a>00248 <span class="comment">/// Append bytes of data based on str</span>
<a name="l00249"></a><a class="code" href="classBarry_1_1Data.html#a88cdd9443924fe53fc4a0a41ff87c612">00249</a> <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="classBarry_1_1Data.html#a88cdd9443924fe53fc4a0a41ff87c612" title="Append bytes of data based on str.">Data::AppendHexString</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *str)
<a name="l00250"></a>00250 {
<a name="l00251"></a>00251 CopyOnWrite(m_datasize + 512);
<a name="l00252"></a>00252
<a name="l00253"></a>00253 std::istringstream iss(str);
<a name="l00254"></a>00254 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> byte;
<a name="l00255"></a>00255 <span class="keywordflow">while</span>( iss >> hex >> byte ) {
<a name="l00256"></a>00256 MakeSpace(m_datasize + 1);
<a name="l00257"></a>00257 m_data[m_datasize] = (<span class="keywordtype">unsigned</span> char) byte;
<a name="l00258"></a>00258 m_datasize++;
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261 <span class="comment"></span>
<a name="l00262"></a>00262 <span class="comment">/// set buffer to 0 and remove all data</span>
<a name="l00263"></a><a class="code" href="classBarry_1_1Data.html#a034f95733ad4e34a3a3f3be874f3c555">00263</a> <span class="comment"></span><span class="keywordtype">void</span> <a class="code" href="classBarry_1_1Data.html#a034f95733ad4e34a3a3f3be874f3c555" title="set buffer to 0 and remove all data">Data::Zap</a>()
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <span class="keywordflow">if</span>( !m_external )
<a name="l00266"></a>00266 memset(m_data, 0, m_bufsize);
<a name="l00267"></a>00267 m_datasize = 0;
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <a class="code" href="classBarry_1_1Data.html">Data</a> & Data::operator=(<span class="keyword">const</span> <a class="code" href="classBarry_1_1Data.html">Data</a> &other)
<a name="l00271"></a>00271 {
<a name="l00272"></a>00272 <span class="keywordflow">if</span>( <span class="keyword">this</span> == &other )
<a name="l00273"></a>00273 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">// don't remove our current buffer, only grow it if needed</span>
<a name="l00276"></a>00276 MakeSpace(other.m_bufsize);
<a name="l00277"></a>00277 memcpy(m_data, other.m_data, other.m_bufsize);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="comment">// then copy over the data state</span>
<a name="l00280"></a>00280 m_datasize = other.m_datasize;
<a name="l00281"></a>00281 m_endpoint = other.m_endpoint;
<a name="l00282"></a>00282 m_externalData = other.m_externalData;
<a name="l00283"></a>00283 m_external = other.m_external;
<a name="l00284"></a>00284 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="keywordtype">void</span> Data::MemCpy(<span class="keywordtype">size_t</span> &offset, <span class="keyword">const</span> <span class="keywordtype">void</span> *src, <span class="keywordtype">size_t</span> size)
<a name="l00288"></a>00288 {
<a name="l00289"></a>00289 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *pd = GetBuffer(offset + size) + offset;
<a name="l00290"></a>00290 memcpy(pd, src, size);
<a name="l00291"></a>00291 offset += size;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293
<a name="l00294"></a>00294 istream& operator>> (istream &is, Data &data)
<a name="l00295"></a>00295 {
<a name="l00296"></a>00296 data.InputHexLine(is);
<a name="l00297"></a>00297 <span class="keywordflow">return</span> is;
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 ostream& operator<< (ostream &os, <span class="keyword">const</span> Data &data)
<a name="l00301"></a>00301 {
<a name="l00302"></a>00302 data.DumpHex(os);
<a name="l00303"></a>00303 <span class="keywordflow">return</span> os;
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="comment"></span>
<a name="l00307"></a>00307 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00308"></a>00308 <span class="comment"></span><span class="comment">// Diff class</span>
<a name="l00309"></a>00309
<a name="l00310"></a>00310 Diff::Diff(<span class="keyword">const</span> Data &old, <span class="keyword">const</span> Data &new_)
<a name="l00311"></a>00311 : m_old(old), m_new(new_)
<a name="l00312"></a>00312 {
<a name="l00313"></a>00313 }
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <span class="keywordtype">void</span> Diff::Compare(ostream &os, <span class="keywordtype">size_t</span> index, <span class="keywordtype">size_t</span> size)<span class="keyword"> const</span>
<a name="l00316"></a>00316 <span class="keyword"></span>{
<a name="l00317"></a>00317 <span class="keywordtype">size_t</span> min = std::min(m_old.GetSize(), m_new.GetSize());
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="comment">// index</span>
<a name="l00320"></a>00320 os << <span class="stringliteral">"> "</span>;
<a name="l00321"></a>00321 os << setbase(16) << setfill(<span class="charliteral">'0'</span>) << setw(8)
<a name="l00322"></a>00322 << index << <span class="stringliteral">": "</span>;
<a name="l00323"></a>00323
<a name="l00324"></a>00324 <span class="comment">// diff data</span>
<a name="l00325"></a>00325 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> i = 0; i < size; i++ ) {
<a name="l00326"></a>00326 <span class="keywordtype">size_t</span> address = index + i;
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="comment">// if data is available, print the diff</span>
<a name="l00329"></a>00329 <span class="keywordflow">if</span>( address < min ) {
<a name="l00330"></a>00330 <span class="keywordflow">if</span>( m_old.GetData()[address] != m_new.GetData()[address] ) {
<a name="l00331"></a>00331 <span class="comment">// differ, print hex</span>
<a name="l00332"></a>00332 os << setbase(16) << setfill(<span class="charliteral">'0'</span>)
<a name="l00333"></a>00333 << setw(2) << setprecision(2)
<a name="l00334"></a>00334 << (<span class="keywordtype">unsigned</span> int) m_new.GetData()[address] << <span class="charliteral">' '</span>;
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 <span class="keywordflow">else</span> {
<a name="l00337"></a>00337 <span class="comment">// same, just print spaces</span>
<a name="l00338"></a>00338 os << <span class="stringliteral">" "</span>;
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340 }
<a name="l00341"></a>00341 <span class="keywordflow">else</span> {
<a name="l00342"></a>00342 <span class="comment">// one of the buffers is shorter...</span>
<a name="l00343"></a>00343 <span class="keywordflow">if</span>( address < m_new.GetSize() ) {
<a name="l00344"></a>00344 <span class="comment">// new still has data, print it</span>
<a name="l00345"></a>00345 os << setbase(16) << setfill(<span class="charliteral">'0'</span>)
<a name="l00346"></a>00346 << setw(2) << setprecision(2)
<a name="l00347"></a>00347 << (<span class="keywordtype">unsigned</span> int) m_new.GetData()[address]
<a name="l00348"></a>00348 << <span class="charliteral">' '</span>;
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( address < m_old.GetSize() ) {
<a name="l00351"></a>00351 <span class="comment">// new is out of data and old still has some</span>
<a name="l00352"></a>00352 os << <span class="stringliteral">"XX "</span>;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354 <span class="keywordflow">else</span> {
<a name="l00355"></a>00355 <span class="comment">// no more data, just print spaces</span>
<a name="l00356"></a>00356 os << <span class="stringliteral">" "</span>;
<a name="l00357"></a>00357 }
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359 }
<a name="l00360"></a>00360
<a name="l00361"></a>00361 <span class="comment">// printable data, just dump new</span>
<a name="l00362"></a>00362 <span class="keywordflow">if</span>( Data::PrintAscii() ) {
<a name="l00363"></a>00363 os << <span class="charliteral">' '</span>;
<a name="l00364"></a>00364 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> i = 0; i < size && (index+i) < m_new.GetSize(); i++ ) {
<a name="l00365"></a>00365 <span class="keywordtype">int</span> c = m_new.GetData()[index + i];
<a name="l00366"></a>00366 os << setbase(10) << (char) (isprint(c) ? c : <span class="charliteral">'.'</span>);
<a name="l00367"></a>00367 }
<a name="l00368"></a>00368 }
<a name="l00369"></a>00369
<a name="l00370"></a>00370 os << <span class="stringliteral">"\n"</span>;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordtype">void</span> Diff::Dump(std::ostream &os)<span class="keyword"> const</span>
<a name="l00374"></a>00374 <span class="keyword"></span>{
<a name="l00375"></a>00375 <span class="keywordflow">if</span>( m_old.GetSize() != m_new.GetSize() )
<a name="l00376"></a>00376 os << <span class="stringliteral">"sizes differ: "</span>
<a name="l00377"></a>00377 << m_old.GetSize() << <span class="stringliteral">" != "</span> << m_new.GetSize() << endl;
<a name="l00378"></a>00378
<a name="l00379"></a>00379 <span class="keywordtype">size_t</span> max = std::max(m_old.GetSize(), m_new.GetSize());
<a name="l00380"></a>00380 <span class="keywordflow">for</span>( <span class="keywordtype">size_t</span> i = 0; i < max; i += 16 ) {
<a name="l00381"></a>00381 m_old.DumpHexLine(os, i, 16);
<a name="l00382"></a>00382 Compare(os, i, 16);
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384 }
<a name="l00385"></a>00385
<a name="l00386"></a>00386 ostream& operator<< (ostream &os, <span class="keyword">const</span> Diff &diff)
<a name="l00387"></a>00387 {
<a name="l00388"></a>00388 diff.Dump(os);
<a name="l00389"></a>00389 <span class="keywordflow">return</span> os;
<a name="l00390"></a>00390 }
<a name="l00391"></a>00391
<a name="l00392"></a>00392 <span class="comment"></span>
<a name="l00393"></a>00393 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00394"></a>00394 <span class="comment"></span><span class="comment">// Utility functions</span>
<a name="l00395"></a>00395
<a name="l00396"></a>00396 <span class="keyword">static</span> <span class="keywordtype">bool</span> IsEndpointStart(<span class="keyword">const</span> std::string &line, <span class="keywordtype">int</span> &endpoint)
<a name="l00397"></a>00397 {
<a name="l00398"></a>00398 <span class="keywordflow">if</span>( strncmp(line.c_str(), <span class="stringliteral">"sep: "</span>, 5) == 0 ||
<a name="l00399"></a>00399 strncmp(line.c_str(), <span class="stringliteral">"rep: "</span>, 5) == 0 )
<a name="l00400"></a>00400 {
<a name="l00401"></a>00401 endpoint = atoi(line.c_str() + 5);
<a name="l00402"></a>00402 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00405"></a>00405 }
<a name="l00406"></a>00406
<a name="l00407"></a>00407 <span class="keywordtype">bool</span> LoadDataArray(<span class="keyword">const</span> <span class="keywordtype">string</span> &filename, std::vector<Data> &array)
<a name="l00408"></a>00408 {
<a name="l00409"></a>00409 ifstream in(filename.c_str());
<a name="l00410"></a>00410 <span class="keywordflow">return</span> ReadDataArray(in, array);
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordtype">bool</span> ReadDataArray(std::istream &is, std::vector<Data> &array)
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 <span class="keywordflow">if</span>( !is )
<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 <span class="keywordtype">bool</span> bInEndpoint = <span class="keyword">false</span>;
<a name="l00419"></a>00419 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nCurrent = 0;
<a name="l00420"></a>00420 <span class="keywordtype">size_t</span> nLargestSize = 0x100;
<a name="l00421"></a>00421 <span class="keywordflow">while</span>( is ) {
<a name="l00422"></a>00422 <span class="keywordtype">string</span> line;
<a name="l00423"></a>00423 getline(is, line);
<a name="l00424"></a>00424 <span class="keywordtype">int</span> endpoint;
<a name="l00425"></a>00425 <span class="keywordflow">if</span>( bInEndpoint ) {
<a name="l00426"></a>00426 <span class="keywordflow">if</span>( IsHexData(line) ) {
<a name="l00427"></a>00427 istringstream sline(line);
<a name="l00428"></a>00428 sline >> array[nCurrent];
<a name="l00429"></a>00429 <span class="keywordflow">continue</span>;
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 <span class="keywordflow">else</span> {
<a name="l00432"></a>00432 nLargestSize = std::max(nLargestSize,
<a name="l00433"></a>00433 array[nCurrent].GetBufSize());
<a name="l00434"></a>00434 bInEndpoint = <span class="keyword">false</span>;
<a name="l00435"></a>00435 }
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438 <span class="comment">// check if this line starts a new endpoint</span>
<a name="l00439"></a>00439 <span class="keywordflow">if</span>( IsEndpointStart(line, endpoint) ) {
<a name="l00440"></a>00440 bInEndpoint = <span class="keyword">true</span>;
<a name="l00441"></a>00441 Data chunk(endpoint, nLargestSize);
<a name="l00442"></a>00442 array.push_back(chunk);
<a name="l00443"></a>00443 nCurrent = array.size() - 1;
<a name="l00444"></a>00444 }
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448
<a name="l00449"></a>00449 } <span class="comment">// namespace Barry</span>
<a name="l00450"></a>00450
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="preprocessor">#ifdef __TEST_MODE__</span>
<a name="l00453"></a>00453 <span class="preprocessor"></span>
<a name="l00454"></a>00454 <span class="preprocessor">#include <iostream></span>
<a name="l00455"></a>00455 <span class="preprocessor">#include <iomanip></span>
<a name="l00456"></a>00456 <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="l00457"></a>00457
<a name="l00458"></a>00458 <span class="keyword">using namespace </span>std;
<a name="l00459"></a>00459
<a name="l00460"></a>00460 <span class="keywordtype">int</span> main()
<a name="l00461"></a>00461 {
<a name="l00462"></a>00462 <span class="keyword">typedef</span> std::vector<Data> DataVec;
<a name="l00463"></a>00463 DataVec array;
<a name="l00464"></a>00464 <span class="keywordflow">if</span>( !LoadDataArray(<span class="stringliteral">"data/parsed.log"</span>, array) ) {
<a name="l00465"></a>00465 cout << <span class="stringliteral">"Can't load file"</span> << endl;
<a name="l00466"></a>00466 <span class="keywordflow">return</span> 1;
<a name="l00467"></a>00467 }
<a name="l00468"></a>00468
<a name="l00469"></a>00469 DataVec::iterator i = array.begin();
<a name="l00470"></a>00470 Data::PrintAscii(<span class="keyword">false</span>);
<a name="l00471"></a>00471 <span class="keywordflow">for</span>( ; i != array.end(); i++ ) {
<a name="l00472"></a>00472 cout << <span class="stringliteral">"Endpoint: "</span> << i->GetEndpoint() << endl;
<a name="l00473"></a>00473 cout << *i;
<a name="l00474"></a>00474 cout << <span class="stringliteral">"\n\n"</span>;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476
<a name="l00477"></a>00477
<a name="l00478"></a>00478 Data one, two;
<a name="l00479"></a>00479 one.GetBuffer()[0] = 0x01;
<a name="l00480"></a>00480 one.ReleaseBuffer(1);
<a name="l00481"></a>00481 two.GetBuffer()[0] = 0x02;
<a name="l00482"></a>00482 two.ReleaseBuffer(2);
<a name="l00483"></a>00483
<a name="l00484"></a>00484 cout << Diff(one, two) << endl;
<a name="l00485"></a>00485 cout << Diff(two, one) << endl;
<a name="l00486"></a>00486
<a name="l00487"></a>00487 two.GetBuffer();
<a name="l00488"></a>00488 two.ReleaseBuffer(32);
<a name="l00489"></a>00489 cout << Diff(one, two) << endl;
<a name="l00490"></a>00490 }
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="preprocessor">#endif</span>
<a name="l00493"></a>00493 <span class="preprocessor"></span>
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