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40 ****************************************************************************/
41
42 #include <cstdio>
43
44 #include <QBuffer>
45 #include <QStringList>
46 #include <QtDebug>
47 #include <QtTest>
48 #include <QtGlobal>
49 #include <QXmlQuery>
50 #include <QXmlResultItems>
51
52 #include "ErrorHandler.h"
53
54 using namespace QPatternistSDK;
55
56 ErrorHandler *ErrorHandler::handler = 0;
57
qMessageHandler(QtMsgType type,const char * description)58 void qMessageHandler(QtMsgType type, const char *description)
59 {
60 if(type == QtDebugMsg)
61 {
62 std::fprintf(stderr, "%s\n", description);
63 return;
64 }
65
66 QtMsgType t;
67
68 switch(type)
69 {
70 case QtWarningMsg:
71 {
72 t = QtWarningMsg;
73 break;
74 }
75 case QtCriticalMsg:
76 {
77 t = QtFatalMsg;
78 break;
79 }
80 case QtFatalMsg:
81 {
82 /* We can't swallow Q_ASSERTs, we need to fail the hard way here.
83 * But maybe not: when run from "patternistrunsingle" it could be an idea
84 * to actually try to record it(but nevertheless fail somehow) such
85 * that it gets reported. */
86 std::fprintf(stderr, "Fatal error: %s\n", description);
87 t = QtFatalMsg; /* Dummy, to silence a bogus compiler warning. */
88 return;
89 }
90 case QtDebugMsg: /* This enum is handled above in the if-clause. */
91 /* Fallthrough. */
92 default:
93 {
94 Q_ASSERT(false);
95 return;
96 }
97 }
98
99 Q_ASSERT(ErrorHandler::handler);
100 /* This message is hacky. Ideally, we should do it the same way
101 * ReportContext::error() constructs messages, but this is just testing
102 * code. */
103 ErrorHandler::handler->message(t, QLatin1String("<p>") + QPatternist::escape(QLatin1String(description)) + QLatin1String("</p>"));
104 }
105
installQtMessageHandler(ErrorHandler * const h)106 void ErrorHandler::installQtMessageHandler(ErrorHandler *const h)
107 {
108 handler = h;
109
110 if(h)
111 qInstallMsgHandler(qMessageHandler);
112 else
113 qInstallMsgHandler(0);
114 }
115
handleMessage(QtMsgType type,const QString & description,const QUrl & identifier,const QSourceLocation &)116 void ErrorHandler::handleMessage(QtMsgType type,
117 const QString &description,
118 const QUrl &identifier,
119 const QSourceLocation &)
120 {
121 /* Don't use pDebug() in this function, it results in infinite
122 * recursion. Talking from experience.. */
123
124 Message msg;
125 msg.setType(type);
126 msg.setIdentifier(identifier);
127
128 /* Let's remove all the XHTML markup. */
129 QBuffer buffer;
130 buffer.setData(description.toLatin1());
131 buffer.open(QIODevice::ReadOnly);
132
133 QXmlQuery query;
134 query.bindVariable(QLatin1String("desc"), &buffer);
135 query.setQuery(QLatin1String("string(doc($desc))"));
136
137 QStringList result;
138 const bool success = query.evaluateTo(&result);
139
140 if(!description.startsWith(QLatin1String("\"Test-suite harness error:")))
141 {
142 const QString msg(QString::fromLatin1("Invalid description: %1").arg(description));
143 QVERIFY2(success, qPrintable(msg));
144
145 if(!success)
146 QTextStream(stderr) << msg;
147 }
148
149
150 if(!result.isEmpty())
151 msg.setDescription(result.first());
152
153 m_messages.append(msg);
154 }
155
messages() const156 ErrorHandler::Message::List ErrorHandler::messages() const
157 {
158 return m_messages;
159 }
160
reset()161 void ErrorHandler::reset()
162 {
163 m_messages.clear();
164 }
165
166 // vim: et:ts=4:sw=4:sts=4
167