khanat-opennel-code/code/ryzom/tools/client/ryzom_installer/src/utils.cpp

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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h"
#include "utils.h"
QString qBytesToHumanReadable(qint64 bytes)
{
static std::vector<std::string> units;
if (units.empty())
{
units.push_back(QObject::tr("B").toUtf8().constData());
units.push_back(QObject::tr("KiB").toUtf8().constData());
units.push_back(QObject::tr("MiB").toUtf8().constData());
units.push_back(QObject::tr("GiB").toUtf8().constData());
units.push_back(QObject::tr("TiB").toUtf8().constData());
units.push_back(QObject::tr("PiB").toUtf8().constData());
}
return QString::fromUtf8(NLMISC::bytesToHumanReadableUnits(bytes, units).c_str());
}
qint64 getDirectorySize(const QString &directory, bool recursize)
{
qint64 size = 0;
if (!directory.isEmpty())
{
QDir dir(directory);
if (dir.exists())
{
QFileInfoList list = dir.entryInfoList(QDir::Files | QDir::Dirs | QDir::Hidden | QDir::NoSymLinks | QDir::NoDotAndDotDot);
for (int i = 0; i < list.size(); ++i)
{
QFileInfo fileInfo = list.at(i);
if (fileInfo.isDir())
{
if (recursize) size += getDirectorySize(fileInfo.absoluteFilePath(), true);
}
else
{
size += fileInfo.size();
}
}
}
}
return size;
}
QString qFromUtf8(const std::string &str)
{
return QString::fromUtf8(str.c_str());
}
std::string qToUtf8(const QString &str)
{
return str.toUtf8().constData();
}
QString qFromUtf16(const ucstring &str)
{
return QString::fromUtf16(str.c_str());
}
ucstring qToUtf16(const QString &str)
{
return ucstring::makeFromUtf8(qToUtf8(str));
}
QString qFromWide(const wchar_t *str)
{
return QString::fromUtf16((ushort*)str);
}
wchar_t* qToWide(const QString &str)
{
return (wchar_t*)str.utf16();
}
#ifdef Q_OS_WIN32
bool createLink(const QString &link, const QString &name, const QString &executable, const QString &arguments, const QString &icon, const QString &workingDir)
{
CCOMHelper comHelper;
IShellLinkW* psl;
// Get a pointer to the IShellLink interface. It is assumed that CoInitialize
// has already been called.
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HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLinkW, (LPVOID*)&psl);
if (SUCCEEDED(hres))
{
IPersistFile* ppf;
// Set the path to the shortcut target and add the description.
psl->SetPath(qToWide(QDir::toNativeSeparators(executable)));
psl->SetIconLocation(qToWide(QDir::toNativeSeparators(icon)), 0);
psl->SetDescription(qToWide(name));
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psl->SetArguments(qToWide(arguments));
psl->SetWorkingDirectory(qToWide(QDir::toNativeSeparators(workingDir)));
// Query IShellLink for the IPersistFile interface, used for saving the
// shortcut in persistent storage.
hres = psl->QueryInterface(IID_IPersistFile, (LPVOID*)&ppf);
if (SUCCEEDED(hres))
{
// Add code here to check return value from MultiByteWideChar
// for success.
// Save the link by calling IPersistFile::Save.
hres = ppf->Save(qToWide(QDir::toNativeSeparators(link)), TRUE);
ppf->Release();
}
psl->Release();
}
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return SUCCEEDED(hres);
}
bool resolveLink(const QWidget &window, const QString &linkFile, QString &path)
{
CCOMHelper comHelper;
IShellLinkW* psl;
WIN32_FIND_DATAW wfd;
path.clear(); // Assume failure
// Get a pointer to the IShellLink interface. It is assumed that CoInitialize
// has already been called.
HRESULT hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID*)&psl);
if (SUCCEEDED(hres))
{
IPersistFile* ppf;
// Get a pointer to the IPersistFile interface.
hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
if (SUCCEEDED(hres))
{
// Add code here to check return value from MultiByteWideChar
// for success.
// Load the shortcut.
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hres = ppf->Load(qToWide(QDir::toNativeSeparators(linkFile)), STGM_READ);
if (SUCCEEDED(hres))
{
// Resolve the link.
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hres = psl->Resolve((HWND)window.winId(), 0);
if (SUCCEEDED(hres))
{
WCHAR szGotPath[MAX_PATH];
// Get the path to the link target.
hres = psl->GetPath(szGotPath, MAX_PATH, (WIN32_FIND_DATAW*)&wfd, SLGP_SHORTPATH);
if (SUCCEEDED(hres))
{
WCHAR szDescription[MAX_PATH];
// Get the description of the target.
hres = psl->GetDescription(szDescription, MAX_PATH);
if (SUCCEEDED(hres))
{
// Handle success
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path = QDir::fromNativeSeparators(qFromWide(szGotPath));
}
else
{
}
}
}
}
// Release the pointer to the IPersistFile interface.
ppf->Release();
}
// Release the pointer to the IShellLink interface.
psl->Release();
}
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return SUCCEEDED(hres);
}
#else
bool createLink(const QString &link, const QString &name, const QString &executable, const QString &arguments, const QString &icon, const QString &workingDir)
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{
// open template
QFile file(":/templates/template.desktop");
if (!file.open(QFile::ReadOnly)) return false;
QString data = QString::fromUtf8(file.readAll());
file.close();
// build command
QString command = executable;
if (!arguments.isEmpty()) command += " " + arguments;
// replace strings
data.replace("$NAME", name);
data.replace("$COMMAND", command);
data.replace("$ICON", icon);
// write file
file.setFileName(link);
if (!file.open(QFile::WriteOnly)) return false;
file.write(data.toUtf8());
file.close();
return true;
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}
bool resolveLink(const QWidget &window, const QString &pathLink, QString &pathObj)
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{
return false;
}
#endif
CCOMHelper::CCOMHelper()
{
#ifdef Q_OS_WIN
// to fix the bug with QFileDialog::getExistingDirectory hanging under Windows
m_mustUninit = SUCCEEDED(CoInitialize(NULL));
#else
m_mustUninit = false;
#endif
}
CCOMHelper::~CCOMHelper()
{
#ifdef Q_OS_WIN
// only call CoUninitialize if CoInitialize succeeded
if (m_mustUninit) CoUninitialize();
#endif
}