blob: c56874388e235e7b25cd4b5d7c6c87e78c40b95a (
plain)
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
|
<?php
/**
* PHP-Isis implementation of IsisDb.
*/
class PhpIsisDb implements IsisDb {
/**
* @var $db
* Database resource.
*/
var $db;
/**
* @var $format
* Database format, derived from $schema.
*/
var $format;
/**
* Constructor.
*
* @see IsisDb::__construct()
*/
public function __construct($schema) {
// Save db schema.
$this->format = $schema;
// Setup $fdt used by malete.
foreach ($schema['fields'] as $field => $info) {
$this->fdt[$field] = $info['name'];
}
// Open the database.
$name = $schema['db']['name'];
$this->db = isis_open(CinisisDb::file("$name/$name", 'db'));
}
/**
* Read an entry.
*
* The PHP-Isis API doen't implement such feature so we
* have to emulate it by geting all entries and using
* isis_data_seek() to get the desired record.
*
* @see IsisDb::read()
*
* @todo
* Subfields.
*/
public function read($id) {
$results = isis_search('$', $this->db);
if (!isis_data_seek($results, $id)) {
return FALSE;
}
// Tag results.
$data = $this->tag(isis_fetch_array($results));
// Charset conversion.
array_walk_recursive($data, array(__CLASS__, 'charset'));
// Return the result.
return $data;
}
/**
* Return number of rows in the database.
*
* @see IsisDb::rows()
*/
public function rows() {
return isis_last_mfn($this->db);
}
/**
* Return an example schema.
*
* @see IsisDb::example()
*/
public function example() {
return SchemaDb::example();
}
/**
* Check configuration.
*
* @see IsisDb::check()
*/
public function check($schema, $section = NULL) {
return SchemaDb::check($schema, $section);
}
/**
* Tag results of a db query.
*
* This function converts the keys of query result from field
* numbers to names.
*
* @param $results
* Database query results.
*
* @return
* Tagged database result.
*/
function tag($results) {
foreach ($results as $key => $value) {
if ($key != 'mfn') {
$name = $this->format['fields'][$key]['name'];
$data[$name] = $value;
}
}
return $data;
}
/**
* Charset conversion.
*
* Converts a string from the database charset to UTF-8.
*
* @param $data
* String to be converted.
*
* @return
* String converted to UTF-8.
*/
function charset($data) {
return iconv($data, $this->format['db']['charset'], 'UTF-8');
}
}
|
