void Docbook2XhtmlGeneratorJob::run()
{
UMLDoc* umlDoc = UMLApp::app()->document();
xsltStylesheetPtr cur = NULL;
xmlDocPtr doc, res;
const char *params[16 + 1];
int nbparams = 0;
params[nbparams] = NULL;
umlDoc->writeToStatusBar(i18n("Exporting to XHTML..."));
QString xsltFileName(KGlobal::dirs()->findResource("appdata", QLatin1String("docbook2xhtml.xsl")));
uDebug() << "XSLT file is'" << xsltFileName << "'";
QFile xsltFile(xsltFileName);
xsltFile.open(QIODevice::ReadOnly);
QString xslt = QString::fromLatin1(xsltFile.readAll());
uDebug() << "XSLT is'" << xslt << "'";
xsltFile.close();
QString localXsl = KGlobal::dirs()->findResource("data", QLatin1String("ksgmltools2/docbook/xsl/html/docbook.xsl"));
uDebug() << "Local xsl is'" << localXsl << "'";
if (!localXsl.isEmpty())
{
localXsl = QLatin1String("href=\"file://") + localXsl + QLatin1String("\"");
xslt.replace(QRegExp(QLatin1String("href=\"http://[^\"]*\"")), localXsl);
}
KTemporaryFile tmpXsl;
tmpXsl.setAutoRemove(false);
tmpXsl.open();
QTextStream str (&tmpXsl);
str << xslt;
str.flush();
xmlSubstituteEntitiesDefault(1);
xmlLoadExtDtdDefaultValue = 1;
uDebug() << "Parsing stylesheet " << tmpXsl.fileName();
cur = xsltParseStylesheetFile((const xmlChar *)tmpXsl.fileName().toLatin1().constData());
uDebug() << "Parsing file " << m_docbookUrl.path();
doc = xmlParseFile((const char*)(m_docbookUrl.path().toUtf8()));
uDebug() << "Applying stylesheet ";
res = xsltApplyStylesheet(cur, doc, params);
KTemporaryFile tmpXhtml;
tmpXhtml.setAutoRemove(false);
tmpXhtml.open();
uDebug() << "Writing HTML result to temp file: " << tmpXhtml.fileName();
xsltSaveResultToFd(tmpXhtml.handle(), res, cur);
xsltFreeStylesheet(cur);
xmlFreeDoc(res);
xmlFreeDoc(doc);
xsltCleanupGlobals();
xmlCleanupParser();
emit xhtmlGenerated(tmpXhtml.fileName());
}
void testMMap()
{
KTemporaryFile tmp;
QVERIFY(tmp.open());
int fd = tmp.handle();
try
{
TruncateFile(fd, 4096, true);
}
catch (bt::Error & err)
{
QString msg = QString("Exception thrown: %s").arg(err.toString());
QFAIL(msg.toLocal8Bit());
}
char* ptr = (char*)mmap(0, 4096, PROT_WRITE, MAP_SHARED, fd, 0);
QVERIFY(ptr);
// First try a write which should not fail
try
{
BUS_ERROR_WPROTECT();
memcpy(ptr,"Testing",7);
}
catch (bt::BusError & e)
{
QString msg = QString("Caught signal: %s").arg(e.toString());
QFAIL(msg.toLocal8Bit());
}
// Lets try one which should fail
try
{
BUS_ERROR_WPROTECT();
TruncateFile(fd, 0, true);
memcpy(ptr,"Testing",7);
QFAIL("Didn't catch SIGBUS");
}
catch (bt::BusError & e)
{
Out(SYS_GEN|LOG_DEBUG) << QString("Caught signal: %1").arg(e.toString()) << endl;
}
}
void
Crash::crashHandler(int /*signal*/)
{
#ifndef Q_WS_WIN
// we need to fork to be able to get a
// semi-decent bt - I dunno why
const pid_t pid = ::fork();
if (pid <= 0) {
// we are the child process (the result of the fork)
// debug() << "amaroK is crashing...\n";
QString subject = "[basket-crash] " VERSION " ";
QString body = i18n(
"%1 has crashed! We're sorry about this.\n"
"\n"
"But, all is not lost! You could potentially help us fix the crash. "
"Information describing the crash is below, so just click send, "
"or if you have time, write a brief description of how the crash happened first.\n\n"
"Many thanks.", KGlobal::mainComponent().aboutData()->programName()) + "\n\n";
body += "\n\n\n\n\n\n" + i18n(
"The information below is to help the developers identify the problem, "
"please do not modify it.") + "\n\n\n\n";
body += "======== DEBUG INFORMATION =======\n"
"Version: " VERSION "\n"
"CC version: " __VERSION__ "\n" //assuming we're using GCC
"KDElibs: " KDE_VERSION_STRING "\n"
;// "TagLib: %2.%3.%4\n";
/* body = body
.arg( TAGLIB_MAJOR_VERSION )
.arg( TAGLIB_MINOR_VERSION )
.arg( TAGLIB_PATCH_VERSION );*/
#ifdef NDEBUG
body += "NDEBUG: true";
#endif
body += "\n";
/// obtain the backtrace with gdb
KTemporaryFile temp;
temp.open();
temp.setAutoRemove(true);
const int handle = temp.handle();
// QCString gdb_command_string =
// "file amarokapp\n"
// "attach " + QCString().setNum( ::getppid() ) + "\n"
// "bt\n" "echo \\n\n"
// "thread apply all bt\n";
const QByteArray gdb_batch =
"bt\n"
"echo \\n\\n\n"
"bt full\n"
"echo \\n\\n\n"
"echo ==== (gdb) thread apply all bt ====\\n\n"
"thread apply all bt\n";
::write(handle, gdb_batch, gdb_batch.length());
::fsync(handle);
// so we can read stderr too
::dup2(fileno(stdout), fileno(stderr));
QByteArray gdb;
gdb = "gdb --nw -n --batch -x ";
gdb += temp.fileName().toLatin1();
gdb += " ";
gdb += KCmdLineArgs::qtArgv()[0];
gdb += " ";
gdb += QByteArray().setNum(::getppid());
QString bt = runCommand(gdb);
/// clean up
bt.remove("(no debugging symbols found)...");
bt.remove("(no debugging symbols found)\n");
bt.replace(QRegExp("\n{2,}"), "\n"); //clean up multiple \n characters
bt.trimmed();
/// analyze usefulness
bool useful = true;
const QString fileCommandOutput = runCommand("file `which basket`");
if (fileCommandOutput.indexOf("not stripped") == -1)
subject += "[___stripped]"; //same length as below
else
subject += "[NOTstripped]";
if (!bt.isEmpty()) {
const int invalidFrames = bt.count(QRegExp("\n#[0-9]+\\s+0x[0-9A-Fa-f]+ in \\?\\?"));
const int validFrames = bt.count(QRegExp("\n#[0-9]+\\s+0x[0-9A-Fa-f]+ in [^?]"));
const int totalFrames = invalidFrames + validFrames;
if (totalFrames > 0) {
const double validity = double(validFrames) / totalFrames;
subject += QString("[validity: %1]").arg(validity, 0, 'f', 2);
if (validity <= 0.5) useful = false;
}
subject += QString("[frames: %1]").arg(totalFrames, 3 /*padding*/);
if (bt.indexOf(QRegExp(" at \\w*\\.cpp:\\d+\n")) != -1)
subject += "[line numbers]";
} else
useful = false;
// subject += QString("[%1]").arg( AmarokConfig::soundSystem().remove( QRegExp("-?engine") ) );
// debug() << subject << endl;
//TODO -fomit-frame-pointer buggers up the backtrace, so detect it
//TODO -O optimization can rearrange execution and stuff so show a warning for the developer
//TODO pass the CXXFLAGS used with the email
if (useful) {
body += "==== file `which basket` ==========\n";
body += fileCommandOutput + "\n";
body += "==== (gdb) bt =====================\n";
body += bt;//+ "\n\n";
// body += "==== kBacktrace() ================\n";
// body += kBacktrace();
//TODO startup notification
KToolInvocation::invokeMailer(
/*to*/ "*****@*****.**",
/*cc*/ QString(),
/*bcc*/ QString(),
/*subject*/ subject,
/*body*/ body,
/*messageFile*/ QString(),
/*attachURLs*/ QStringList(),
/*startup_id*/ "");
} else {
kDebug() << "\n" + i18n("%1 has crashed! We're sorry about this.\n\n"
"But, all is not lost! Perhaps an upgrade is already available "
"which fixes the problem. Please check your distribution's software repository.",
KGlobal::mainComponent().aboutData()->programName());
}
//_exit() exits immediately, otherwise this
//function is called repeatedly ad finitum
::_exit(255);
}
else {
// we are the process that crashed
::alarm(0);
// wait for child to exit
::waitpid(pid, NULL, 0);
::_exit(253);
}
#endif //#ifndef Q_WS_WIN
}