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
|
<?php
namespace Kanboard\Core;
use SplFileObject;
/**
* CSV Writer/Reader
*
* @package core
* @author Frederic Guillot
*/
class Csv
{
/**
* CSV delimiter
*
* @access private
* @var string
*/
private $delimiter = ',';
/**
* CSV enclosure
*
* @access private
* @var string
*/
private $enclosure = '"';
/**
* CSV/SQL columns
*
* @access private
* @var array
*/
private $columns = array();
/**
* Constructor
*
* @access public
* @param string $delimiter
* @param string $enclosure
*/
public function __construct($delimiter = ',', $enclosure = '"')
{
$this->delimiter = $delimiter;
$this->enclosure = $enclosure;
}
/**
* Get list of delimiters
*
* @static
* @access public
* @return array
*/
public static function getDelimiters()
{
return array(
',' => t('Comma'),
';' => t('Semi-colon'),
'\t' => t('Tab'),
'|' => t('Vertical bar'),
);
}
/**
* Get list of enclosures
*
* @static
* @access public
* @return array
*/
public static function getEnclosures()
{
return array(
'"' => t('Double Quote'),
"'" => t('Single Quote'),
'' => t('None'),
);
}
/**
* Check boolean field value
*
* @static
* @access public
* @return integer
*/
public static function getBooleanValue($value)
{
if (! empty($value)) {
$value = trim(strtolower($value));
return $value === '1' || $value{0}
=== 't' ? 1 : 0;
}
return 0;
}
/**
* Output CSV file to standard output
*
* @static
* @access public
* @param array $rows
*/
public static function output(array $rows)
{
$csv = new static;
$csv->write('php://output', $rows);
}
/**
* Define column mapping between CSV and SQL columns
*
* @access public
* @param array $columns
* @return Csv
*/
public function setColumnMapping(array $columns)
{
$this->columns = $columns;
return $this;
}
/**
* Read CSV file
*
* @access public
* @param string $filename
* @param \Closure $callback Example: function(array $row, $line_number)
* @return Csv
*/
public function read($filename, $callback)
{
$file = new SplFileObject($filename);
$file->setFlags(SplFileObject::READ_CSV);
$file->setCsvControl($this->delimiter, $this->enclosure);
$line_number = 0;
foreach ($file as $row) {
$row = $this->filterRow($row);
if (! empty($row) && $line_number > 0) {
call_user_func_array($callback, array($this->associateColumns($row), $line_number));
}
$line_number++;
}
return $this;
}
/**
* Write CSV file
*
* @access public
* @param string $filename
* @param array $rows
* @return Csv
*/
public function write($filename, array $rows)
{
$file = new SplFileObject($filename, 'w');
foreach ($rows as $row) {
$file->fputcsv($row, $this->delimiter, $this->enclosure);
}
return $this;
}
/**
* Associate columns header with row values
*
* @access private
* @param array $row
* @return array
*/
private function associateColumns(array $row)
{
$line = array();
$index = 0;
foreach ($this->columns as $sql_name => $csv_name) {
if (isset($row[$index])) {
$line[$sql_name] = $row[$index];
} else {
$line[$sql_name] = '';
}
$index++;
}
return $line;
}
/**
* Filter empty rows
*
* @access private
* @param array $row
* @return array
*/
private function filterRow(array $row)
{
return array_filter($row);
}
}
|
