<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>Barry: r_recordstate.cc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.2-20100208 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<div class="navpath"><a class="el" href="dir_65781e9408669bb8d7d9c025fdb5fe86.html">src</a>
</div>
</div>
<div class="contents">
<h1>r_recordstate.cc</h1><a href="r__recordstate_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_recordstate.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// RecordStateTable database record 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) 2005-2010, 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="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">// RecordStateTable class</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036 RecordStateTable::RecordStateTable()
<a name="l00037"></a>00037 : m_LastNewRecordId(1)
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041 RecordStateTable::~RecordStateTable()
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* RecordStateTable::ParseField(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *begin,
<a name="l00046"></a>00046 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">const</span> <a class="code" href="structBarry_1_1Protocol_1_1RecordStateTableField.html">RecordStateTableField</a> *field = (<span class="keyword">const</span> <a class="code" href="structBarry_1_1Protocol_1_1RecordStateTableField.html">RecordStateTableField</a> *) begin;
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">// advance and check size</span>
<a name="l00051"></a>00051 begin += <span class="keyword">sizeof</span>(<a class="code" href="structBarry_1_1Protocol_1_1RecordStateTableField.html">RecordStateTableField</a>);
<a name="l00052"></a>00052 <span class="keywordflow">if</span>( begin > end ) <span class="comment">// if begin==end, we are ok</span>
<a name="l00053"></a>00053 <span class="keywordflow">return</span> begin;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 State state;
<a name="l00056"></a>00056 state.Index = btohs(field->index);
<a name="l00057"></a>00057 state.RecordId = btohl(field->uniqueId);
<a name="l00058"></a>00058 state.Dirty = (field->flags & BARRY_RSTF_DIRTY) != 0;
<a name="l00059"></a>00059 state.RecType = field->rectype;
<a name="l00060"></a>00060 state.Unknown2.assign((<span class="keyword">const</span> <span class="keywordtype">char</span>*)field->unknown2, <span class="keyword">sizeof</span>(field->unknown2));
<a name="l00061"></a>00061 StateMap[state.Index] = state;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">return</span> begin;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">void</span> RecordStateTable::Parse(<span class="keyword">const</span> Data &data)
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keywordtype">size_t</span> offset = 12; <span class="comment">// skipping the unknown 2 bytes at start</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordflow">if</span>( offset >= data.GetSize() )
<a name="l00071"></a>00071 <span class="keywordflow">return</span>;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *begin = data.GetData() + offset;
<a name="l00074"></a>00074 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end = data.GetData() + data.GetSize();
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">while</span>( begin < end )
<a name="l00077"></a>00077 begin = ParseField(begin, end);
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordtype">void</span> RecordStateTable::Clear()
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 StateMap.clear();
<a name="l00083"></a>00083 m_LastNewRecordId = 1;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="comment">// Searches the StateMap table for RecordId, and returns the "index"</span>
<a name="l00087"></a>00087 <span class="comment">// in the map if found. Returns true if found, false if not.</span>
<a name="l00088"></a>00088 <span class="comment">// pFoundIndex can be null if only the existence of the index is desired</span>
<a name="l00089"></a>00089 <span class="keywordtype">bool</span> RecordStateTable::GetIndex(uint32_t RecordId, IndexType *pFoundIndex)<span class="keyword"> const</span>
<a name="l00090"></a>00090 <span class="keyword"></span>{
<a name="l00091"></a>00091 StateMapType::const_iterator i = StateMap.begin();
<a name="l00092"></a>00092 <span class="keywordflow">for</span>( ; i != StateMap.end(); ++i ) {
<a name="l00093"></a>00093 <span class="keywordflow">if</span>( i->second.RecordId == RecordId ) {
<a name="l00094"></a>00094 <span class="keywordflow">if</span>( pFoundIndex )
<a name="l00095"></a>00095 *pFoundIndex = i->first;
<a name="l00096"></a>00096 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">// Generate a new RecordId that is not in the state table.</span>
<a name="l00103"></a>00103 <span class="comment">// Starts at 1 and keeps incrementing until a free one is found.</span>
<a name="l00104"></a>00104 uint32_t RecordStateTable::MakeNewRecordId()<span class="keyword"> const</span>
<a name="l00105"></a>00105 <span class="keyword"></span>{
<a name="l00106"></a>00106 <span class="comment">// start with next Id</span>
<a name="l00107"></a>00107 m_LastNewRecordId++;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// make sure it doesn't already exist</span>
<a name="l00110"></a>00110 StateMapType::const_iterator i = StateMap.begin();
<a name="l00111"></a>00111 <span class="keywordflow">while</span>( i != StateMap.end() ) {
<a name="l00112"></a>00112 <span class="keywordflow">if</span>( m_LastNewRecordId == i->second.RecordId ) {
<a name="l00113"></a>00113 m_LastNewRecordId++; <span class="comment">// try again</span>
<a name="l00114"></a>00114 i = StateMap.begin(); <span class="comment">// start over</span>
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="keywordflow">else</span> {
<a name="l00117"></a>00117 ++i; <span class="comment">// next State</span>
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 <span class="keywordflow">return</span> m_LastNewRecordId;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">void</span> RecordStateTable::Dump(std::ostream &os)<span class="keyword"> const</span>
<a name="l00124"></a>00124 <span class="keyword"></span>{
<a name="l00125"></a>00125 ios::fmtflags oldflags = os.setf(ios::right);
<a name="l00126"></a>00126 <span class="keywordtype">char</span> fill = os.fill(<span class="charliteral">' '</span>);
<a name="l00127"></a>00127 <span class="keywordtype">bool</span> bPrintAscii = Data::PrintAscii();
<a name="l00128"></a>00128 Data::PrintAscii(<span class="keyword">false</span>);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 os << <span class="stringliteral">" Index RecordId Dirty RecType"</span> << endl;
<a name="l00131"></a>00131 os << <span class="stringliteral">"------- ---------- ----- -------"</span> << endl;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 StateMapType::const_iterator b, e = StateMap.end();
<a name="l00134"></a>00134 <span class="keywordflow">for</span>( b = StateMap.begin(); b != e ; ++b ) {
<a name="l00135"></a>00135 <span class="keyword">const</span> State &state = b->second;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 os.fill(<span class="charliteral">' '</span>);
<a name="l00138"></a>00138 os << setbase(10) << setw(7) << state.Index;
<a name="l00139"></a>00139 os << <span class="stringliteral">" 0x"</span> << setbase(16) << setfill(<span class="charliteral">'0'</span>) << setw(8) << state.RecordId;
<a name="l00140"></a>00140 os << <span class="stringliteral">" "</span> << setfill(<span class="charliteral">' '</span>) << setw(5) << (state.Dirty ? <span class="stringliteral">"yes"</span> : <span class="stringliteral">"no"</span>);
<a name="l00141"></a>00141 os << <span class="stringliteral">" 0x"</span> << setbase(16) << setfill(<span class="charliteral">'0'</span>) << setw(2) << state.RecType;
<a name="l00142"></a>00142 os << <span class="stringliteral">" "</span> << Data(state.Unknown2.data(), state.Unknown2.size());
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="comment">// cleanup the stream</span>
<a name="l00146"></a>00146 os.flags(oldflags);
<a name="l00147"></a>00147 os.fill(fill);
<a name="l00148"></a>00148 Data::PrintAscii(bPrintAscii);
<a name="l00149"></a>00149 }
<a name="l00150"></a>00150
<a name="l00151"></a>00151
<a name="l00152"></a>00152 } <span class="comment">// namespace Barry</span>
<a name="l00153"></a>00153
</pre></div></div>
<hr class="footer"/><address style="text-align: right;"><small>Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2-20100208 </small></address>
</body>
</html>
