1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
|
/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or any later version.
*
* The Mana World is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with The Mana World; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "recordset.h"
#include <sstream>
#include <stdexcept>
#include "dalexcept.h"
namespace dal
{
/**
* Default constructor.
*/
RecordSet::RecordSet(void)
throw()
{
// NOOP
}
/**
* Destructor.
*/
RecordSet::~RecordSet(void)
throw()
{
// NOOP
}
/**
* Remove all the Records.
*/
void
RecordSet::clear(void)
{
mHeaders.clear();
mRows.clear();
}
/**
* Check if the RecordSet is empty.
*/
bool
RecordSet::isEmpty(void) const
{
return (mRows.size() == 0);
}
/**
* Get the number of rows.
*
* @return the number of rows.
*/
unsigned int
RecordSet::rows(void) const
{
return mRows.size();
}
/**
* Get the number of columns.
*
* @return the number of columns.
*/
unsigned int
RecordSet::cols(void) const
{
return mHeaders.size();
}
/**
* Set the column headers.
*/
void
RecordSet::setColumnHeaders(const Row& headers)
{
if (mHeaders.size() > 0) {
throw AlreadySetException();
}
mHeaders = headers;
}
/**
* Add a new row.
*/
void
RecordSet::add(const Row& row)
{
const unsigned int nCols = mHeaders.size();
if (nCols == 0) {
throw RsColumnHeadersNotSet();
}
if (row.size() != nCols) {
std::ostringstream msg;
msg << "row has " << row.size() << " columns; "
<< "expected: " << nCols << std::ends;
throw std::invalid_argument(msg.str());
}
mRows.push_back(row);
}
/**
* Operator()
*/
const std::string&
RecordSet::operator()(const unsigned int row,
const unsigned int col) const
{
if ((row >= mRows.size()) || (col >= mHeaders.size())) {
std::ostringstream os;
os << "(" << row << ", " << col << ") is out of range; "
<< "max rows: " << mRows.size()
<< ", max cols: " << mHeaders.size() << std::ends;
throw std::out_of_range(os.str());
}
return mRows[row][col];
}
/**
* Operator()
*/
const std::string&
RecordSet::operator()(const unsigned int row,
const std::string& name) const
{
if (row >= mRows.size()) {
std::ostringstream os;
os << "row " << row << " is out of range; "
<< "max rows: " << mRows.size() << std::ends;
throw std::out_of_range(os.str());
}
Row::const_iterator it = std::find(mHeaders.begin(),
mHeaders.end(),
name);
if (it == mHeaders.end()) {
std::ostringstream os;
os << "field " << name << " does not exist." << std::ends;
throw std::invalid_argument(os.str());
}
// find the field index.
const unsigned int nCols = mHeaders.size();
unsigned int i;
for (i = 0; i < nCols; ++i) {
if (mHeaders[i] == name) {
break;
}
}
return mRows[row][i];
}
/**
* Operator<<
*/
std::ostream&
operator<<(std::ostream& out, const RecordSet& rhs)
{
// print the field names first.
if (rhs.mHeaders.size() > 0) {
out << "|";
for (Row::const_iterator it = rhs.mHeaders.begin();
it != rhs.mHeaders.end();
++it)
{
out << (*it) << "|";
}
out << std::endl << std::endl;
}
// and then print every line.
for (RecordSet::Rows::const_iterator it = rhs.mRows.begin();
it != rhs.mRows.end();
++it)
{
out << "|";
for (Row::const_iterator it2 = (*it).begin();
it2 != (*it).end();
++it2)
{
out << (*it2) << "|";
}
out << std::endl;
}
return out;
}
} // namespace dal
|
