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extprogram.cpp
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extprogram.cpp
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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* Flacon - audio File Encoder
* https://github.com/flacon/flacon
*
* Copyright: 2023
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "extprogram.h"
#include <QDir>
#include <QProcess>
#include <QCoreApplication>
#include <QDebug>
#include "types.h"
#include <QLoggingCategory>
namespace {
Q_LOGGING_CATEGORY(LOG, "ExtProgram")
}
#ifdef Q_OS_WIN
static constexpr auto PATH_ENV_SEPARATOR = ';';
static constexpr auto BINARY_EXT = ".exe";
#elif defined(Q_OS_OS2)
static constexpr auto PATH_ENV_SEPARATOR = ';';
static constexpr auto BINARY_EXT = ".exe";
#else
static constexpr auto PATH_ENV_SEPARATOR = ':';
static constexpr auto BINARY_EXT = "";
#endif
ExtProgram::ExtProgram(const QString &name) :
mName(name)
{
#ifdef BUNDLED_PROGRAMS
mPath = QDir(qApp->applicationDirPath()).absoluteFilePath(name);
#endif
}
void ExtProgram::setPath(const QString &path)
{
Q_UNUSED(path);
#ifndef BUNDLED_PROGRAMS
mPath = path;
#endif
}
QString ExtProgram::find() const
{
#ifdef BUNDLED_PROGRAMS
return mPath;
#else
QStringList paths = QProcessEnvironment::systemEnvironment().value("PATH").split(PATH_ENV_SEPARATOR);
foreach (QString path, paths) {
QFileInfo fi(path + QDir::separator() + mName + BINARY_EXT);
if (fi.exists() && fi.isExecutable()) {
return fi.absoluteFilePath();
}
}
return "";
#endif
}
bool ExtProgram::check(QStringList *errors) const
{
if (mPath.isEmpty()) {
if (errors) {
*errors << QCoreApplication::translate("ExtProgram",
"The %1 program is not installed.<br>Verify that all required programs are installed and in your preferences.",
"Error message. %1 - is an program name")
.arg(mName);
}
return false;
}
QFileInfo fi(mPath);
if (!fi.exists()) {
if (errors) {
*errors << QCoreApplication::translate("ExtProgram",
"The %1 program is installed according to your settings, but the binary file can’t be found.<br>"
"Verify that all required programs are installed and in your preferences.",
"Error message. %1 - is an program name")
.arg(mName);
}
return false;
}
if (!fi.isExecutable()) {
if (errors) {
*errors << QCoreApplication::translate("ExtProgram",
"The %1 program is installed according to your settings, but the file is not executable.<br>"
"Verify that all required programs are installed and in your preferences.",
"Error message. %1 - is an program name")
.arg(mName);
}
return false;
}
return true;
}
QList<ExtProgram *> ExtProgram::allPrograms()
{
QList<ExtProgram *> res;
res << alacenc();
res << faac();
res << flac();
res << lame();
res << mac();
res << oggenc();
res << opusenc();
res << sox();
res << ttaenc();
res << wavpack();
res << wvunpack();
return res;
}
QProcess *ExtProgram::open(QObject *parent) const
{
QProcess *proc = new QProcess(parent);
proc->setProgram(path());
// QDir::toNativeSeparators(prog);
proc->connect(proc, &QProcess::errorOccurred, proc, [proc](QProcess::ProcessError error) {
qCWarning(LOG) << "ERROR";
qCWarning(LOG) << QString("%1: The '%2' program crashes").arg(proc->objectName()).arg(proc->program());
qCWarning(LOG) << "Program with args:" << debugProgramArgs(proc->program(), proc->arguments());
qCWarning(LOG) << "Error:" << error;
qCWarning(LOG) << "Error string:" << proc->errorString();
if (proc->isOpen()) {
qCWarning(LOG) << "Stderr: ............";
qCWarning(LOG) << proc->readAllStandardError();
qCWarning(LOG) << "....................";
}
QString msg = QString("The '%1' program crashes with an error: %2").arg(proc->program()).arg(proc->errorString());
throw FlaconError(msg);
});
return proc;
}
QProcess *ExtProgram::open(const QStringList &args, QObject *parent) const
{
QProcess *res = open(parent);
res->setArguments(args);
return res;
}
// clang-format off
ExtProgram *ExtProgram::alacenc() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::faac() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::flac() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::lame() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::mac() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::oggenc() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::opusenc() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::sox() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::ttaenc() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::wavpack() { static ExtProgram res(__FUNCTION__); return &res; }
ExtProgram *ExtProgram::wvunpack(){ static ExtProgram res(__FUNCTION__); return &res; }
// clang-format on