errorviewer.inc.php
4.22 KB
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
<?php
class KTErrorViewerRegistry {
var $aViewers = array();
function &getSingleton() {
$oRegistry =& KTUtil::arrayGet($GLOBALS, 'KTErrorViewerRegistry');
if ($oRegistry) {
return $oRegistry;
}
$GLOBALS['KTErrorViewerRegistry'] =& new KTErrorViewerRegistry();
return $GLOBALS['KTErrorViewerRegistry'];
}
function register($sViewerClassName, $sHandledClass) {
$this->aViewers[strtolower($sHandledClass)] = $sViewerClassName;
}
function getViewer($oError) {
$sErrorClass = strtolower(get_class($oError));
// Try for direct hit first
$sClass = $sErrorClass;
$sHandlerClass = KTUtil::arrayGet($this->aViewers, $sClass);
if ($sHandlerClass) {
return new $sHandlerClass($oError);
}
// PHP 4.0.5 added get_parent_class - this offers us the
// best/first match
if (function_exists('get_parent_class')) {
while ($sClass = get_parent_class($sClass)) {
$sHandlerClass = KTUtil::arrayGet($this->aViewers, $sClass);
if ($sHandlerClass) {
return new $sHandlerClass($oError);
}
}
}
// Now try things the hard way - no best/first match (ick!)
// Reverse, since hopefully the best/first match will be added
// after the other matches.
foreach (array_reverse($this->aViewers) as $sHandlerClass => $sClass) {
if (is_a($oError, $sClass)) {
return new $sHandlerClass($oError);
}
}
// Just in case we have an unhandled i18n-friendly error
if (method_exists($oError, 'geti18nMessage')) {
return new KTStringErrorViewer($oError->getMessage());
}
// PEAR_Error should have caught things above, but just in case,
// check if getMessage is there, and use that:
if (method_exists($oError, 'getMessage')) {
return new KTStringErrorViewer($oError->getMessage());
}
// Check if we are a string
if (is_string($oError)) {
return new KTStringErrorViewer($oError);
}
// Give up.
return new KTStringErrorViewer(_("Unknown error"));
}
}
$oEVRegistry =& KTErrorViewerRegistry::getSingleton();
class KTErrorViewer {
function KTErrorViewer($oError) {
$this->oError = $oError;
}
function view() {
return $this->oError->getMessage();
}
function viewFull() {
return $this->oError->toString();
}
function page() {
$ret = "<h2>Error</h2>\n\n";
$ret .= "<dl>\n";
$ret .= "\t<dt>Error type</dt>\n";
$ret .= "\t<dd>" . $this->oError->getMessage() . "</dd>\n";
$sInfo = $this->parseUserInfo();
if ($sInfo) {
$ret .= "\t<dt>Additional information</dt>\n";
$ret .= "\t<dd>" . $sInfo . "</dd>\n";
}
$ret .= "</dl>\n";
return $ret;
}
function parseUserInfo() {
$sUserInfo = $this->oError->getUserInfo();
return $sUserInfo;
}
}
$oEVRegistry->register("KTErrorViewer", "PEAR_Error");
class KTDBErrorViewer extends KTErrorViewer {
function view() {
return _("Database error:") . " " . $this->oError->getMessage();
}
function page() {
$ret = "<h2>Database Error</h2>\n\n";
$ret .= "<dl>\n";
$ret .= "\t<dt>Error type</dt>\n";
$ret .= "\t<dd>" . $this->oError->getMessage() . "</dd>\n";
$sInfo = $this->parseUserInfo();
if ($sInfo) {
$ret .= "\t<dt>Additional information</dt>\n";
$ret .= "\t<dd>" . $sInfo . "</dd>\n";
}
$ret .= "</dl>\n";
return $ret;
}
function parseUserInfo() {
$sUserInfo = $this->oError->getUserInfo();
$aMatches = array();
if (preg_match("#^ ?\[nativecode=(Can't connect to local.*) \(13\)#", $sUserInfo, $aMatches)) {
return $aMatches[1];
}
return $sUserInfo;
}
}
$oEVRegistry->register("KTDBErrorViewer", "DB_Error");
class KTStringErrorViewer extends KTErrorViewer {
function view() {
return $this->oError;
}
function viewFull() {
return $this->oError;
}
}