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1 /*
2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1.  Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  * 2.  Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15  *     its contributors may be used to endorse or promote products derived
16  *     from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "DumpRenderTree.h"
31 
32 #include <qstringlist.h>
33 #include <qapplication.h>
34 #include <qurl.h>
35 #include <qdir.h>
36 #include <qdebug.h>
37 #include <qfont.h>
38 #include <qwebsettings.h>
39 #include <qwebdatabase.h>
40 #include <qdesktopservices.h>
41 
42 #ifdef Q_WS_X11
43 #include <qx11info_x11.h>
44 #include <fontconfig/fontconfig.h>
45 #endif
46 
47 #include <limits.h>
48 #include <signal.h>
49 
50 #if defined(__GLIBC__)
51 #include <execinfo.h>
52 #endif
53 
messageHandler(QtMsgType type,const char * message)54 void messageHandler(QtMsgType type, const char *message)
55 {
56     if (type == QtCriticalMsg) {
57         fprintf(stderr, "%s\n", message);
58         return;
59     }
60     // do nothing
61 }
62 
get_backtrace()63 QString get_backtrace() {
64     QString s;
65 
66 #if defined(__GLIBC__)
67     void* array[256];
68     size_t size; /* number of stack frames */
69 
70     size = backtrace(array, 256);
71 
72     if (!size)
73         return s;
74 
75     char** strings = backtrace_symbols(array, size);
76     for (int i = 0; i < int(size); ++i) {
77         s += QString::number(i) +
78              QLatin1String(": ") +
79              QLatin1String(strings[i]) + QLatin1String("\n");
80     }
81 
82     if (strings)
83         free (strings);
84 #endif
85 
86     return s;
87 }
88 
crashHandler(int sig)89 static void crashHandler(int sig)
90 {
91     fprintf(stderr, "%s\n", strsignal(sig));
92     fprintf(stderr, "%s\n", get_backtrace().toLatin1().constData());
93     exit(128 + sig);
94 }
95 
main(int argc,char * argv[])96 int main(int argc, char* argv[])
97 {
98 #ifdef Q_WS_X11
99     FcInit();
100     WebCore::DumpRenderTree::initializeFonts();
101 #if QT_VERSION >= 0x040500
102     QApplication::setGraphicsSystem("raster");
103 #endif
104 #endif
105     QApplication app(argc, argv);
106 #ifdef Q_WS_X11
107     QX11Info::setAppDpiY(0, 96);
108     QX11Info::setAppDpiX(0, 96);
109 #endif
110 
111     QFont f("Sans Serif");
112     f.setPointSize(9);
113     f.setWeight(QFont::Normal);
114     f.setStyle(QFont::StyleNormal);
115     app.setFont(f);
116     app.setStyle(QLatin1String("Plastique"));
117 
118 
119     signal(SIGILL, crashHandler);    /* 4:   illegal instruction (not reset when caught) */
120     signal(SIGTRAP, crashHandler);   /* 5:   trace trap (not reset when caught) */
121     signal(SIGFPE, crashHandler);    /* 8:   floating point exception */
122     signal(SIGBUS, crashHandler);    /* 10:  bus error */
123     signal(SIGSEGV, crashHandler);   /* 11:  segmentation violation */
124     signal(SIGSYS, crashHandler);    /* 12:  bad argument to system call */
125     signal(SIGPIPE, crashHandler);   /* 13:  write on a pipe with no reader */
126     signal(SIGXCPU, crashHandler);   /* 24:  exceeded CPU time limit */
127     signal(SIGXFSZ, crashHandler);   /* 25:  exceeded file size limit */
128 
129     QStringList args = app.arguments();
130     if (args.count() < 2) {
131         qDebug() << "Usage: DumpRenderTree [-v] filename";
132         exit(0);
133     }
134 
135     // supress debug output from Qt if not started with -v
136     if (!args.contains(QLatin1String("-v")))
137         qInstallMsgHandler(messageHandler);
138 
139     WebCore::DumpRenderTree dumper;
140 
141     if (args.contains("--pixel-tests"))
142         dumper.setDumpPixels(true);
143 
144     QString dbDir = QDesktopServices::storageLocation(QDesktopServices::DataLocation) + QDir::separator() + "qtwebkitdrt";
145     QWebSettings::setOfflineStoragePath(dbDir);
146     QWebDatabase::removeAllDatabases();
147 
148     if (args.last() == QLatin1String("-")) {
149         dumper.open();
150     } else {
151         if (!args.last().startsWith("/")
152             && !args.last().startsWith("file:")
153             && !args.last().startsWith("http:")
154             && !args.last().startsWith("https:")) {
155             QString path = QDir::currentPath();
156             if (!path.endsWith('/'))
157                 path.append('/');
158             args.last().prepend(path);
159         }
160         dumper.open(QUrl(args.last()));
161     }
162     return app.exec();
163 #ifdef Q_WS_X11
164     FcConfigSetCurrent(0);
165 #endif
166 }
167