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<title>Simple&nbsp;C++&nbsp;ODBC&nbsp;Database&nbsp;API: Column.h Source File</title>
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<h1>Column.h</h1><div class="fragment"><pre class="fragment">00001 <span class="comment">/* -*- c++ -*-</span>
00002 <span class="comment"> * __BEGIN_COPYRIGHT</span>
00003 <span class="comment"> * SimpleDB API</span>
00004 <span class="comment"> * </span>
00005 <span class="comment"> * Copyright (C) 2005 Eminence Technology Pty Ltd</span>
00006 <span class="comment"> * </span>
00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
00010 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
00011 <span class="comment"> * </span>
00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
00015 <span class="comment"> * Lesser General Public License for more details.</span>
00016 <span class="comment"> * </span>
00017 <span class="comment"> * You can view the GNU Lesser General Public Licence at</span>
00018 <span class="comment"> * http://www.gnu.org/licenses/lgpl.html or you can write to the Free Software</span>
00019 <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
00020 <span class="comment"> * </span>
00021 <span class="comment"> * Eminence Technology Pty Ltd can be contacted by writing to</span>
00022 <span class="comment"> * Eminence Technology, PO Box 118, Moorooka QLD 4105, Australia.</span>
00023 <span class="comment"> * Alternatively, you may email opensource [at] eminence [dot] com [dot] au</span>
00024 <span class="comment"> * __END_COPYRIGHT</span>
00025 <span class="comment"> */</span>
00026
00027 <span class="preprocessor">#ifndef __SIMPLEDB_COLUMN_H_</span>
00028 <span class="preprocessor"></span><span class="preprocessor">#define __SIMPLEDB_COLUMN_H_ 1</span>
00029 <span class="preprocessor"></span>
00030 <span class="preprocessor">#include <sql.h></span>
00031 <span class="preprocessor">#include <sqlext.h></span>
00032 <span class="preprocessor">#include <iostream></span>
00033 <span class="preprocessor">#include <string></span>
00034 <span class="preprocessor">#include "Exception.h"</span> <span class="comment">// for Database::Exception</span>
00035
<a name="l00036"></a><a class="code" href="namespaceSimpleDB.html">00036</a> <span class="keyword">namespace </span>SimpleDB {
00037
<a name="l00041"></a><a class="code" href="classSimpleDB_1_1Column.html">00041</a> <span class="keyword">class </span><a class="code" href="classSimpleDB_1_1Column.html">Column</a> {
00042
00043 <span class="keyword">public</span>:
00044
<a name="l00049"></a><a class="code" href="classSimpleDB_1_1Column_1_1UnboundException.html">00049</a> <span class="keyword">class </span><a class="code" href="classSimpleDB_1_1Column_1_1UnboundException.html">UnboundException</a> : <span class="keyword">public</span> <a class="code" href="classSimpleDB_1_1Exception.html">Exception</a> {
00050 <span class="keyword">public</span>:
00051
<a name="l00054"></a><a class="code" href="classSimpleDB_1_1Column_1_1UnboundException.html#a0">00054</a> <a class="code" href="classSimpleDB_1_1Column_1_1UnboundException.html#a0">UnboundException</a>() : <a class="code" href="classSimpleDB_1_1Exception.html">Exception</a>(<span class="stringliteral">"Column is not bound."</span>) {};
00055 };
00056
00057
00062 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classSimpleDB_1_1Column.html#a0">isNull</a>();
00063
00072 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classSimpleDB_1_1Column.html#a1">bind</a>(SQLHSTMT statementHandle, <span class="keywordtype">int</span> columnNumber) = 0;
00073
00081 <span class="keyword">virtual</span> std::ostream& <a class="code" href="classSimpleDB_1_1Column.html#a2">oStream</a>(std::ostream& <a class="code" href="classSimpleDB_1_1Column.html#a2">oStream</a>) = 0;
00082
<a name="l00086"></a><a class="code" href="classSimpleDB_1_1Column.html#a3">00086</a> <span class="keyword">virtual</span> <a class="code" href="classSimpleDB_1_1Column.html#a3">~Column</a>() {};
00087
00090 <a class="code" href="classSimpleDB_1_1Column.html#a4">Column</a>();
00091
00092
00097 <span class="keywordtype">void</span> <a class="code" href="classSimpleDB_1_1Column.html#a5">value</a>();
00098
00099 <span class="keyword">protected</span>:
00100
<a name="l00103"></a><a class="code" href="classSimpleDB_1_1Column.html#p0">00103</a> SQLINTEGER <a class="code" href="classSimpleDB_1_1Column.html#p0">lengthOrIndex</a>;
00104
<a name="l00107"></a><a class="code" href="classSimpleDB_1_1Column.html#p1">00107</a> <span class="keywordtype">bool</span> <a class="code" href="classSimpleDB_1_1Column.html#p1">bound</a>;
00108
<a name="l00112"></a><a class="code" href="classSimpleDB_1_1Column.html#p2">00112</a> std::string <a class="code" href="classSimpleDB_1_1Column.html#p2">name</a>;
00113 };
00114
<a name="l00117"></a><a class="code" href="classSimpleDB_1_1StringColumn.html">00117</a> <span class="keyword">class </span><a class="code" href="classSimpleDB_1_1StringColumn.html">StringColumn</a> : <span class="keyword">public</span> <a class="code" href="classSimpleDB_1_1Column.html">Column</a> {
00118
00119 <span class="keyword">public</span>:
00120
00126 <a class="code" href="classSimpleDB_1_1StringColumn.html#a0">StringColumn</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> bufferSize);
00127
00130 <a class="code" href="classSimpleDB_1_1StringColumn.html#a1">~StringColumn</a>();
00131
00132 std::ostream& <a class="code" href="classSimpleDB_1_1StringColumn.html#a2">oStream</a>(std::ostream& <a class="code" href="classSimpleDB_1_1StringColumn.html#a2">oStream</a>);
00133
00134 <span class="keywordtype">void</span> <a class="code" href="classSimpleDB_1_1StringColumn.html#a3">bind</a>(SQLHSTMT statementHandle, <span class="keywordtype">int</span> columnNumber);
00135
00140 std::string <a class="code" href="classSimpleDB_1_1StringColumn.html#a4">value</a>();
00141
00142 <span class="keyword">private</span>:
00143 <span class="keywordtype">long</span> bufferSize;
00144 <span class="keywordtype">char</span> * buffer;
00145 };
00146
<a name="l00149"></a><a class="code" href="classSimpleDB_1_1LongColumn.html">00149</a> <span class="keyword">class </span><a class="code" href="classSimpleDB_1_1LongColumn.html">LongColumn</a> : <span class="keyword">public</span> <a class="code" href="classSimpleDB_1_1Column.html">Column</a> {
00150
00151 <span class="keyword">public</span>:
00152 std::ostream& <a class="code" href="classSimpleDB_1_1LongColumn.html#a0">oStream</a>(std::ostream& <a class="code" href="classSimpleDB_1_1LongColumn.html#a0">oStream</a>);
00153
00154 <span class="keywordtype">void</span> <a class="code" href="classSimpleDB_1_1LongColumn.html#a1">bind</a>(SQLHSTMT statementHandle, <span class="keywordtype">int</span> columnNumber);
00155
<a name="l00160"></a><a class="code" href="classSimpleDB_1_1LongColumn.html#a2">00160</a> <span class="keywordtype">long</span> <a class="code" href="classSimpleDB_1_1LongColumn.html#a2">value</a>() {<a class="code" href="classSimpleDB_1_1Column.html#a5">Column::value</a>(); <span class="keywordflow">if</span>(<a class="code" href="classSimpleDB_1_1Column.html#a0">isNull</a>()) <span class="keywordflow">return</span> 0; <span class="keywordflow">else</span> <span class="keywordflow">return</span> colValue;};
00161
00162 <span class="keyword">private</span>:
00165 <span class="keywordtype">long</span> colValue;
00166
00167 };
00168
<a name="l00171"></a><a class="code" href="classSimpleDB_1_1BoolColumn.html">00171</a> <span class="keyword">class </span><a class="code" href="classSimpleDB_1_1BoolColumn.html">BoolColumn</a> : <span class="keyword">public</span> <a class="code" href="classSimpleDB_1_1Column.html">Column</a> {
00172
00173 <span class="keyword">public</span>:
00174 std::ostream& <a class="code" href="classSimpleDB_1_1BoolColumn.html#a0">oStream</a>(std::ostream& <a class="code" href="classSimpleDB_1_1BoolColumn.html#a0">oStream</a>);
00175
00176 <span class="keywordtype">void</span> <a class="code" href="classSimpleDB_1_1BoolColumn.html#a1">bind</a>(SQLHSTMT statementHandle, <span class="keywordtype">int</span> columnNumber);
00177
00182 <span class="keywordtype">bool</span> <a class="code" href="classSimpleDB_1_1BoolColumn.html#a2">value</a>() ;
00183
00184 <span class="keyword">private</span>:
00187 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> colValue;
00188
00189 };
00190
00191 }
00192
00193 <span class="keyword">inline</span>
00194 std::ostream& operator<<(std::ostream& strm, <a class="code" href="classSimpleDB_1_1Column.html">SimpleDB::Column</a>& col) {
00195 <span class="keywordflow">return</span> col.<a class="code" href="classSimpleDB_1_1Column.html#a2">oStream</a>(strm);
00196 }
00197
00198 <span class="preprocessor">#endif</span>
</pre></div><hr>
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