1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#include "LogController.h"
  7
  8#include "ConfigController.h"
  9
 10using namespace QGBA;
 11
 12LogController LogController::s_global(mLOG_ALL);
 13
 14LogController::LogController(int levels, QObject* parent)
 15	: QObject(parent)
 16{
 17	mLogFilterInit(&m_filter);
 18	mLogFilterSet(&m_filter, "gba.bios", mLOG_STUB | mLOG_FATAL);
 19	mLogFilterSet(&m_filter, "core.status", mLOG_ALL & ~mLOG_DEBUG);
 20	m_filter.defaultLevels = levels;
 21
 22	if (this != &s_global) {
 23		connect(&s_global, &LogController::logPosted, this, &LogController::postLog);
 24		connect(this, static_cast<void (LogController::*)(int)>(&LogController::levelsSet), &s_global, static_cast<void (LogController::*)(int)>(&LogController::setLevels));
 25		connect(this, static_cast<void (LogController::*)(int)>(&LogController::levelsEnabled), &s_global, static_cast<void (LogController::*)(int)>(&LogController::enableLevels));
 26		connect(this, static_cast<void (LogController::*)(int)>(&LogController::levelsDisabled), &s_global, static_cast<void (LogController::*)(int)>(&LogController::disableLevels));
 27	}
 28}
 29
 30LogController::~LogController() {
 31	mLogFilterDeinit(&m_filter);
 32}
 33
 34int LogController::levels(int category) const {
 35	return mLogFilterLevels(&m_filter, category);
 36}
 37
 38LogController::Stream LogController::operator()(int category, int level) {
 39	return Stream(this, category, level);
 40}
 41
 42void LogController::load(const ConfigController* config) {
 43	mLogFilterLoad(&m_filter, config->config());
 44	setLogFile(config->getOption("logFile"));
 45	logToStdout(config->getOption("logToStdout").toInt());
 46	logToFile(config->getOption("logToFile").toInt());
 47}
 48
 49void LogController::save(ConfigController* config) const {
 50	mLogFilterSave(&m_filter, config->config());
 51}
 52
 53void LogController::postLog(int level, int category, const QString& string) {
 54	if (!mLogFilterTest(&m_filter, category, static_cast<mLogLevel>(level))) {
 55		return;
 56	}
 57	if (m_logToStdout || m_logToFile) {
 58		QString line = tr("[%1] %2: %3").arg(LogController::toString(level)).arg(mLogCategoryName(category)).arg(string);
 59
 60		if (m_logToStdout) {
 61			QTextStream out(stdout);
 62			out << line << endl;
 63		}
 64		if (m_logToFile && m_logStream) {
 65			*m_logStream << line << endl;
 66		}
 67	}
 68	emit logPosted(level, category, string);
 69}
 70
 71void LogController::setLevels(int levels) {
 72	m_filter.defaultLevels = levels;
 73	emit levelsSet(levels);
 74}
 75
 76void LogController::enableLevels(int levels) {
 77	m_filter.defaultLevels |= levels;
 78	emit levelsEnabled(levels);
 79}
 80
 81void LogController::disableLevels(int levels) {
 82	m_filter.defaultLevels &= ~levels;
 83	emit levelsDisabled(levels);
 84}
 85
 86void LogController::setLevels(int levels, int category) {
 87	auto id = mLogCategoryId(category);
 88	mLogFilterSet(&m_filter, id, levels);
 89	emit levelsSet(levels, category);
 90}
 91
 92void LogController::enableLevels(int levels, int category) {
 93	auto id = mLogCategoryId(category);
 94	int newLevels = mLogFilterLevels(&m_filter, category) | levels;
 95	mLogFilterSet(&m_filter, id, newLevels);
 96	emit levelsEnabled(levels, category);
 97}
 98
 99void LogController::disableLevels(int levels, int category) {
100	auto id = mLogCategoryId(category);
101	int newLevels = mLogFilterLevels(&m_filter, category) & ~levels;
102	mLogFilterSet(&m_filter, id, newLevels);
103	emit levelsDisabled(levels, category);
104}
105
106void LogController::clearLevels(int category) {
107	auto id = mLogCategoryId(category);
108	mLogFilterReset	(&m_filter, id);
109}
110
111void LogController::logToFile(bool log) {
112	m_logToFile = log;
113}
114
115void LogController::logToStdout(bool log) {
116	m_logToStdout = log;
117}
118
119void LogController::setLogFile(const QString& file) {
120	m_logStream.reset();
121	m_logFile = std::make_unique<QFile>(file);
122	m_logFile->open(QIODevice::Append | QIODevice::Text);
123	m_logStream = std::make_unique<QTextStream>(m_logFile.get());
124}
125
126LogController* LogController::global() {
127	return &s_global;
128}
129
130QString LogController::toString(int level) {
131	switch (level) {
132	case mLOG_DEBUG:
133		return tr("DEBUG");
134	case mLOG_STUB:
135		return tr("STUB");
136	case mLOG_INFO:
137		return tr("INFO");
138	case mLOG_WARN:
139		return tr("WARN");
140	case mLOG_ERROR:
141		return tr("ERROR");
142	case mLOG_FATAL:
143		return tr("FATAL");
144	case mLOG_GAME_ERROR:
145		return tr("GAME ERROR");
146	}
147	return QString();
148}
149
150LogController::Stream::Stream(LogController* controller, int level, int category)
151	: m_level(level)
152	, m_category(category)
153	, m_log(controller)
154{
155}
156
157LogController::Stream::~Stream() {
158	m_log->postLog(m_level, m_category, m_queue.join(" "));
159}
160
161LogController::Stream& LogController::Stream::operator<<(const QString& string) {
162	m_queue.append(string);
163	return *this;
164}