annotate base/Debug.cpp @ 998:e25dc8d57565

Add descriptions for writers; add housekeeping options to Sonic Annotator to list writers and formats
author Chris Cannam
date Mon, 13 Oct 2014 14:44:51 +0100
parents e8e6c4e7437b
children c49d52386cde
rev   line source
Chris@685 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@685 2
Chris@685 3 /*
Chris@685 4 Sonic Visualiser
Chris@685 5 An audio file viewer and annotation editor.
Chris@685 6 Centre for Digital Music, Queen Mary, University of London.
Chris@685 7 This file copyright 2010-2011 Chris Cannam and QMUL.
Chris@685 8
Chris@685 9 This program is free software; you can redistribute it and/or
Chris@685 10 modify it under the terms of the GNU General Public License as
Chris@685 11 published by the Free Software Foundation; either version 2 of the
Chris@685 12 License, or (at your option) any later version. See the file
Chris@685 13 COPYING included with this distribution for more information.
Chris@685 14 */
Chris@685 15
Chris@685 16 #include "Debug.h"
Chris@685 17 #include "ResourceFinder.h"
Chris@685 18
Chris@685 19 #include <QString>
Chris@685 20 #include <QUrl>
Chris@685 21 #include <QMutex>
Chris@685 22 #include <QMutexLocker>
Chris@685 23 #include <QFile>
Chris@685 24 #include <QDir>
Chris@685 25 #include <QCoreApplication>
Chris@685 26 #include <QDateTime>
Chris@950 27 #include <QThreadStorage>
Chris@685 28
Chris@685 29 #include <cstdio>
Chris@685 30
Chris@950 31 static QThreadStorage<QDebug *> debugs;
Chris@950 32 static QMutex mutex;
Chris@950 33 static char *prefix = 0;
Chris@950 34
Chris@685 35 QDebug &
Chris@685 36 getSVDebug()
Chris@685 37 {
Chris@685 38 mutex.lock();
Chris@938 39
Chris@950 40 QDebug *debug = 0;
Chris@950 41
Chris@951 42 QString pfx = ResourceFinder().getUserResourcePrefix();
Chris@951 43 QDir logdir(QString("%1/%2").arg(pfx).arg("log"));
Chris@951 44
Chris@950 45 if (!prefix) {
Chris@986 46 prefix = strdup(QString("[%1]")
Chris@986 47 .arg(QCoreApplication::applicationPid())
Chris@986 48 .toLatin1().data());
Chris@956 49 //!!! what to do if mkpath fails?
Chris@685 50 if (!logdir.exists()) logdir.mkpath(logdir.path());
Chris@951 51 }
Chris@951 52
Chris@951 53 if (!debugs.hasLocalData()) {
Chris@951 54 QFile *logFile = new QFile(logdir.path() + "/sv-debug.log");
Chris@951 55 if (logFile->open(QIODevice::WriteOnly | QIODevice::Append)) {
Chris@685 56 QDebug(QtDebugMsg) << (const char *)prefix
Chris@685 57 << "Opened debug log file "
Chris@685 58 << logFile->fileName();
Chris@951 59 debug = new QDebug(logFile);
Chris@685 60 } else {
Chris@685 61 QDebug(QtWarningMsg) << (const char *)prefix
Chris@685 62 << "Failed to open debug log file "
Chris@685 63 << logFile->fileName()
Chris@685 64 << " for writing, using console debug instead";
Chris@685 65 delete logFile;
Chris@685 66 logFile = 0;
Chris@950 67 debug = new QDebug(QtDebugMsg);
Chris@950 68 }
Chris@950 69 debugs.setLocalData(debug);
Chris@685 70 *debug << endl << (const char *)prefix << "Log started at "
Chris@685 71 << QDateTime::currentDateTime().toString();
Chris@951 72 } else {
Chris@951 73 debug = debugs.localData();
Chris@685 74 }
Chris@685 75
Chris@950 76 mutex.unlock();
Chris@950 77
Chris@685 78 QDebug &dref = *debug;
Chris@938 79 dref << endl << (const char *)prefix;
Chris@938 80
Chris@938 81 return dref;
Chris@685 82 }
Chris@685 83
Chris@685 84 QDebug &
Chris@685 85 operator<<(QDebug &dbg, const std::string &s)
Chris@685 86 {
Chris@685 87 dbg << QString::fromUtf8(s.c_str());
Chris@685 88 return dbg;
Chris@685 89 }
Chris@685 90
Chris@685 91 std::ostream &
Chris@685 92 operator<<(std::ostream &target, const QString &str)
Chris@685 93 {
Chris@846 94 return target << str.toStdString();
Chris@685 95 }
Chris@685 96
Chris@685 97 std::ostream &
Chris@685 98 operator<<(std::ostream &target, const QUrl &u)
Chris@685 99 {
Chris@846 100 return target << "<" << u.toString().toStdString() << ">";
Chris@685 101 }
Chris@685 102