<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Barry: r_timezone.cc Source File</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
<link href="tabs.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.6 -->
<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="classes.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="navpath"><a class="el" href="dir_3e14c0bb4416cf979afc3165665fc916.html">src</a>
</div>
</div>
<div class="contents">
<h1>r_timezone.cc</h1><a href="r__timezone_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_timezone.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// Record parsing class for the timezone database.</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"> Copyright (C) 2008, Brian Edginton</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00011"></a>00011 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00012"></a>00012 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00013"></a>00013 <span class="comment"> (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00020"></a>00020 <span class="comment"> root directory of this project for more details.</span>
<a name="l00021"></a>00021 <span class="comment">*/</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="r__timezone_8h.html" title="Record parsing class for the timezone database.">r_timezone.h</a>"</span>
<a name="l00024"></a>00024 <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="l00025"></a>00025 <span class="preprocessor">#include "<a class="code" href="protostructs_8h.html" title="USB Blackberry bulk protocol API.">protostructs.h</a>"</span>
<a name="l00026"></a>00026 <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="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="time_8h.html" title="Time related conversion routines.">time.h</a>"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="iconv_8h.html" title="iconv wrapper class, and pluggable interface for records">iconv.h</a>"</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "debug.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <iostream></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <sstream></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <iomanip></span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">using namespace </span>std;
<a name="l00035"></a>00035 <span class="keyword">using namespace </span>Barry::Protocol;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">namespace </span>Barry
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="comment"></span>
<a name="l00040"></a>00040 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00041"></a>00041 <span class="comment"></span><span class="comment">// Timezone Class</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">// Timezone Field Codes</span>
<a name="l00044"></a>00044 <span class="preprocessor">#define TZFC_INDEX 0x01</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_NAME 0x02</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_OFFSET 0x03</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_DST 0x04</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_STARTMONTH 0x06</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_ENDMONTH 0x0B</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define TZFC_TZTYPE 0x64</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a>00052 <span class="preprocessor">#define TZFC_END 0xffff</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span>
<a name="l00054"></a>00054 <span class="keyword">static</span> FieldLink<Timezone> TimezoneFieldLinks[] = {
<a name="l00055"></a>00055 { TZFC_NAME, <span class="stringliteral">"Name"</span>, 0, 0, &Timezone::TimeZoneName, 0, 0, 0, 0, <span class="keyword">true</span> },
<a name="l00056"></a>00056 { TZFC_END, <span class="stringliteral">"End of List"</span>, 0, 0, 0, 0, 0, 0, 0, <span class="keyword">false</span> },
<a name="l00057"></a>00057 };
<a name="l00058"></a>00058
<a name="l00059"></a>00059 Timezone::Timezone()
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 Clear();
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 Timezone::~Timezone()
<a name="l00065"></a>00065 {
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* Timezone::ParseField(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *begin,
<a name="l00069"></a>00069 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *end,
<a name="l00070"></a>00070 <span class="keyword">const</span> IConverter *ic)
<a name="l00071"></a>00071 {
<a name="l00072"></a>00072 <span class="keyword">const</span> CommonField *field = (<span class="keyword">const</span> CommonField *) begin;
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// advance and check size</span>
<a name="l00075"></a>00075 begin += COMMON_FIELD_HEADER_SIZE + btohs(field->size);
<a name="l00076"></a>00076 <span class="keywordflow">if</span>( begin > end ) <span class="comment">// if begin==end, we are ok</span>
<a name="l00077"></a>00077 <span class="keywordflow">return</span> begin;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span>( !btohs(field->size) ) <span class="comment">// if field has no size, something's up</span>
<a name="l00080"></a>00080 <span class="keywordflow">return</span> begin;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keywordflow">if</span>( field->type == TZFC_TZTYPE ) {
<a name="l00083"></a>00083 <span class="keywordflow">if</span>( ( TZType = field->u.uint32 ) != 1 ) {
<a name="l00084"></a>00084 <span class="keywordflow">throw</span> Error(<span class="stringliteral">"Timezone::ParseField: Timezone Type is not valid"</span>);
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086 <span class="keywordflow">return</span> begin;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">// cycle through the type table</span>
<a name="l00090"></a>00090 <span class="keywordflow">for</span>( FieldLink<Timezone> *b = TimezoneFieldLinks;
<a name="l00091"></a>00091 b->type != TZFC_END;
<a name="l00092"></a>00092 b++ )
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <span class="keywordflow">if</span>( b->type == field->type ) {
<a name="l00095"></a>00095 <span class="keywordflow">if</span>( b->strMember ) {
<a name="l00096"></a>00096 std::string &s = this->*(b->strMember);
<a name="l00097"></a>00097 s = ParseFieldString(field);
<a name="l00098"></a>00098 <span class="keywordflow">if</span>( b->iconvNeeded && ic )
<a name="l00099"></a>00099 s = ic->FromBB(s);
<a name="l00100"></a>00100 <span class="keywordflow">return</span> begin; <span class="comment">// done!</span>
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordflow">switch</span>( field->type )
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 <span class="keywordflow">case</span> TZFC_INDEX:
<a name="l00108"></a>00108 Index = btohl(field->u.uint32);
<a name="l00109"></a>00109 <span class="keywordflow">return</span> begin;
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">case</span> TZFC_OFFSET:
<a name="l00112"></a>00112 Offset = btohs(field->u.int16);
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (Offset < 0) {
<a name="l00114"></a>00114 Offset =~ Offset;
<a name="l00115"></a>00115 Offset++;
<a name="l00116"></a>00116 OffsetFraction = Offset % 60;
<a name="l00117"></a>00117 Offset = Offset / 60;
<a name="l00118"></a>00118 Left = <span class="keyword">true</span>;
<a name="l00119"></a>00119 } <span class="keywordflow">else</span> {
<a name="l00120"></a>00120 OffsetFraction = Offset % 60;
<a name="l00121"></a>00121 Offset = Offset / 60;
<a name="l00122"></a>00122 Left = <span class="keyword">false</span>;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 <span class="keywordflow">return</span> begin;
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordflow">case</span> TZFC_DST:
<a name="l00127"></a>00127 DSTOffset = btohl(field->u.uint32);
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (DSTOffset) {
<a name="l00129"></a>00129 UseDST = <span class="keyword">true</span>;
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="keywordflow">return</span> begin;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keywordflow">case</span> TZFC_STARTMONTH:
<a name="l00134"></a>00134 StartMonth = btohl(field->u.uint32);
<a name="l00135"></a>00135 <span class="keywordflow">return</span> begin;
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">case</span> TZFC_ENDMONTH:
<a name="l00138"></a>00138 EndMonth = btohl(field->u.uint32);
<a name="l00139"></a>00139 <span class="keywordflow">return</span> begin;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">// if still not handled, add to the Unknowns list</span>
<a name="l00143"></a>00143 UnknownField uf;
<a name="l00144"></a>00144 uf.type = field->type;
<a name="l00145"></a>00145 uf.data.assign((<span class="keyword">const</span> <span class="keywordtype">char</span>*)field->u.raw, btohs(field->size));
<a name="l00146"></a>00146 Unknowns.push_back(uf);
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="comment">// return new pointer for next field</span>
<a name="l00149"></a>00149 <span class="keywordflow">return</span> begin;
<a name="l00150"></a>00150 }
<a name="l00151"></a>00151
<a name="l00152"></a>00152 <span class="keywordtype">void</span> Timezone::ParseHeader(<span class="keyword">const</span> Data &data, <span class="keywordtype">size_t</span> &offset)
<a name="l00153"></a>00153 {
<a name="l00154"></a>00154 <span class="comment">// no header in Task records</span>
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordtype">void</span> Timezone::ParseFields(<span class="keyword">const</span> Data &data, <span class="keywordtype">size_t</span> &offset, <span class="keyword">const</span> IConverter *ic)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *finish = ParseCommonFields(*<span class="keyword">this</span>,
<a name="l00160"></a>00160 data.GetData() + offset, data.GetData() + data.GetSize(), ic);
<a name="l00161"></a>00161 offset += finish - (data.GetData() + offset);
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keywordtype">void</span> Timezone::BuildHeader(Data &data, <span class="keywordtype">size_t</span> &offset)<span class="keyword"> const</span>
<a name="l00165"></a>00165 <span class="keyword"></span>{
<a name="l00166"></a>00166 <span class="comment">// not yet implemented</span>
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordtype">void</span> Timezone::BuildFields(Data &data, <span class="keywordtype">size_t</span> &offset, <span class="keyword">const</span> IConverter *ic)<span class="keyword"> const</span>
<a name="l00170"></a>00170 <span class="keyword"></span>{
<a name="l00171"></a>00171 <span class="comment">// not yet implemented</span>
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keywordtype">void</span> Timezone::Clear()
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 RecType = GetDefaultRecType();
<a name="l00177"></a>00177 RecordId = 0;
<a name="l00178"></a>00178
<a name="l00179"></a>00179 TZType = 0;
<a name="l00180"></a>00180 DSTOffset = 0;
<a name="l00181"></a>00181 Index = 0;
<a name="l00182"></a>00182 Offset = 0;
<a name="l00183"></a>00183 OffsetFraction = 0;
<a name="l00184"></a>00184 StartMonth = -1;
<a name="l00185"></a>00185 EndMonth = -1;
<a name="l00186"></a>00186 Left = <span class="keyword">false</span>;
<a name="l00187"></a>00187 UseDST = <span class="keyword">false</span>;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 TimeZoneName.clear();
<a name="l00190"></a>00190
<a name="l00191"></a>00191 Unknowns.clear();
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00194"></a>00194 std::string Timezone::GetDescription()<span class="keyword"> const</span>
<a name="l00195"></a>00195 <span class="keyword"></span>{
<a name="l00196"></a>00196 ostringstream oss;
<a name="l00197"></a>00197 oss << TimeZoneName << <span class="stringliteral">" ("</span>
<a name="l00198"></a>00198 << (Left ? <span class="stringliteral">"-"</span> : <span class="stringliteral">"+"</span>) << dec << Offset << <span class="stringliteral">"."</span> << OffsetFraction
<a name="l00199"></a>00199 << <span class="stringliteral">")"</span>;
<a name="l00200"></a>00200 <span class="keywordflow">return</span> oss.str();
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="keywordtype">void</span> Timezone::Dump(std::ostream &os)<span class="keyword"> const</span>
<a name="l00204"></a>00204 <span class="keyword"></span>{
<a name="l00205"></a>00205 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *month[] = {
<a name="l00206"></a>00206 <span class="stringliteral">"Jan"</span>, <span class="stringliteral">"Feb"</span>, <span class="stringliteral">"Mar"</span>, <span class="stringliteral">"Apr"</span>, <span class="stringliteral">"May"</span>,
<a name="l00207"></a>00207 <span class="stringliteral">"Jun"</span>, <span class="stringliteral">"Jul"</span>, <span class="stringliteral">"Aug"</span>, <span class="stringliteral">"Sep"</span>, <span class="stringliteral">"Oct"</span>, <span class="stringliteral">"Nov"</span>, <span class="stringliteral">"Dec"</span>
<a name="l00208"></a>00208 };
<a name="l00209"></a>00209
<a name="l00210"></a>00210 os << <span class="stringliteral">"Task entry: 0x"</span> << setbase(16) << RecordId
<a name="l00211"></a>00211 << <span class="stringliteral">" ("</span> << (<span class="keywordtype">unsigned</span> int)RecType << <span class="stringliteral">")\n"</span>;
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="comment">// cycle through the type table</span>
<a name="l00214"></a>00214 <span class="keywordflow">for</span>( <span class="keyword">const</span> FieldLink<Timezone> *b = TimezoneFieldLinks;
<a name="l00215"></a>00215 b->type != TZFC_END;
<a name="l00216"></a>00216 b++ )
<a name="l00217"></a>00217 {
<a name="l00218"></a>00218 <span class="keywordflow">if</span>( b->strMember ) {
<a name="l00219"></a>00219 <span class="keyword">const</span> std::string &s = this->*(b->strMember);
<a name="l00220"></a>00220 <span class="keywordflow">if</span>( s.size() )
<a name="l00221"></a>00221 os << <span class="stringliteral">" "</span> << b->name << <span class="stringliteral">": "</span> << s << <span class="stringliteral">"\n"</span>;
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 os << <span class="stringliteral">" Index: 0x"</span> <<setw(2) << Index << <span class="stringliteral">"\n"</span>;
<a name="l00226"></a>00226 os << <span class="stringliteral">" Offset: "</span> << (Left ? <span class="stringliteral">"-"</span> : <span class="stringliteral">"+"</span>) << setbase(10) << Offset << <span class="stringliteral">"."</span> << OffsetFraction << <span class="stringliteral">"\n"</span>;
<a name="l00227"></a>00227 os << <span class="stringliteral">" Use DST: "</span> << (UseDST ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << <span class="stringliteral">"\n"</span>;
<a name="l00228"></a>00228 <span class="keywordflow">if</span> (UseDST) {
<a name="l00229"></a>00229 <span class="keywordflow">if</span> ((StartMonth > 0) && (StartMonth < 11))
<a name="l00230"></a>00230 os << <span class="stringliteral">"Start Month: "</span> << month[StartMonth] << <span class="stringliteral">"\n"</span>;
<a name="l00231"></a>00231 <span class="keywordflow">else</span>
<a name="l00232"></a>00232 os << <span class="stringliteral">"Start Month: unknown ("</span> << setbase(10) << StartMonth << <span class="stringliteral">")\n"</span>;
<a name="l00233"></a>00233 <span class="keywordflow">if</span> ((EndMonth > 0) && (EndMonth < 11))
<a name="l00234"></a>00234 os << <span class="stringliteral">" End Month: "</span> << month[EndMonth] << <span class="stringliteral">"\n"</span>;
<a name="l00235"></a>00235 <span class="keywordflow">else</span>
<a name="l00236"></a>00236 os << <span class="stringliteral">" End Month: unknown ("</span> << setbase(10) << EndMonth << <span class="stringliteral">")\n"</span>;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 os << Unknowns;
<a name="l00240"></a>00240 os << <span class="stringliteral">"\n\n"</span>;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 }
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Tue Mar 1 17:50:16 2011 for Barry by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
</body>
</html>
