10b8e327d8
Improve string suffix handling by distinguishing between version number separators (i.e. dots) and extended separators and additional version characters. Corrects false update information displayed for 64bit binaries of Rockbox Utility. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27201 a1c6a512-1295-4272-9138-f99709370657
286 lines
9.3 KiB
C++
286 lines
9.3 KiB
C++
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Copyright (C) 2007 by Dominik Wenger
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* $Id$
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "utils.h"
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#include "rockboxinfo.h"
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#include "system.h"
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#include "rbsettings.h"
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#include "systeminfo.h"
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#ifdef UNICODE
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#define _UNICODE
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#endif
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#include <QtCore>
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#include <QDebug>
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#include <cstdlib>
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#include <stdio.h>
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#if defined(Q_OS_WIN32)
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#include <windows.h>
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#include <tchar.h>
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#include <winioctl.h>
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#endif
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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#include <sys/statvfs.h>
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#endif
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// recursive function to delete a dir with files
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bool Utils::recursiveRmdir( const QString &dirName )
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{
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QString dirN = dirName;
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QDir dir(dirN);
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// make list of entries in directory
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QStringList list = dir.entryList(QDir::AllEntries | QDir::NoDotAndDotDot);
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QFileInfo fileInfo;
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QString curItem, lstAt;
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for(int i = 0; i < list.size(); i++){ // loop through all items of list
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QString name = list.at(i);
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curItem = dirN + "/" + name;
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fileInfo.setFile(curItem);
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if(fileInfo.isDir()) // is directory
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recursiveRmdir(curItem); // call recRmdir() recursively for
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// deleting subdirectory
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else // is file
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QFile::remove(curItem); // ok, delete file
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}
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dir.cdUp();
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return dir.rmdir(dirN); // delete empty dir and return if (now empty)
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// dir-removing was successfull
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}
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//! @brief resolves the given path, ignoring case.
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//! @param path absolute path to resolve.
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//! @return returns exact casing of path, empty string if path not found.
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QString Utils::resolvePathCase(QString path)
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{
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QStringList elems;
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QString realpath;
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elems = path.split("/", QString::SkipEmptyParts);
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int start;
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#if defined(Q_OS_WIN32)
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// on windows we must make sure to start with the first entry (i.e. the
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// drive letter) instead of a single / to make resolving work.
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start = 1;
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realpath = elems.at(0) + "/";
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#else
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start = 0;
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realpath = "/";
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#endif
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for(int i = start; i < elems.size(); i++) {
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QStringList direlems
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= QDir(realpath).entryList(QDir::AllEntries|QDir::Hidden|QDir::System);
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if(direlems.contains(elems.at(i), Qt::CaseInsensitive)) {
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// need to filter using QRegExp as QStringList::filter(QString)
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// matches any substring
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QString expr = QString("^" + elems.at(i) + "$");
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QRegExp rx = QRegExp(expr, Qt::CaseInsensitive);
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QStringList a = direlems.filter(rx);
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if(a.size() != 1)
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return QString("");
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if(!realpath.endsWith("/"))
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realpath += "/";
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realpath += a.at(0);
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}
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else
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return QString("");
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}
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qDebug() << "[Utils] resolving path" << path << "->" << realpath;
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return realpath;
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}
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//! @brief figure the free disk space on a filesystem
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//! @param path path on the filesystem to check
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//! @return size in bytes
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qulonglong Utils::filesystemFree(QString path)
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{
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qlonglong size = 0;
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
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// the usage of statfs() is deprecated by the LSB so use statvfs().
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struct statvfs fs;
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int ret;
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ret = statvfs(qPrintable(path), &fs);
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if(ret == 0)
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size = (qulonglong)fs.f_frsize * (qulonglong)fs.f_bavail;
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#endif
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#if defined(Q_OS_WIN32)
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BOOL ret;
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ULARGE_INTEGER freeAvailBytes;
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ret = GetDiskFreeSpaceExW((LPCTSTR)path.utf16(), &freeAvailBytes, NULL, NULL);
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if(ret)
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size = freeAvailBytes.QuadPart;
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#endif
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qDebug() << "[Utils] Filesystem free:" << path << size;
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return size;
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}
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//! \brief searches for a Executable in the Environement Path
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QString Utils::findExecutable(QString name)
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{
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QString exepath;
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//try autodetect tts
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#if defined(Q_OS_LINUX) || defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
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QStringList path = QString(getenv("PATH")).split(":", QString::SkipEmptyParts);
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#elif defined(Q_OS_WIN)
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QStringList path = QString(getenv("PATH")).split(";", QString::SkipEmptyParts);
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#endif
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qDebug() << "[Utils] system path:" << path;
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for(int i = 0; i < path.size(); i++)
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{
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QString executable = QDir::fromNativeSeparators(path.at(i)) + "/" + name;
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#if defined(Q_OS_WIN)
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executable += ".exe";
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QStringList ex = executable.split("\"", QString::SkipEmptyParts);
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executable = ex.join("");
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#endif
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qDebug() << "[Utils] executable:" << executable;
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if(QFileInfo(executable).isExecutable())
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{
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return QDir::toNativeSeparators(executable);
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}
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}
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return "";
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}
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/** @brief checks different Enviroment things. Ask if user wants to continue.
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* @param permission if it should check for permission
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* @return string with error messages if problems occurred, empty strings if none.
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*/
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QString Utils::checkEnvironment(bool permission)
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{
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QString text = "";
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// check permission
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if(permission)
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{
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#if defined(Q_OS_WIN32)
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if(System::userPermissions() != System::ADMIN)
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{
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text += tr("<li>Permissions insufficient for bootloader "
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"installation.\nAdministrator priviledges are necessary.</li>");
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}
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#endif
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}
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// Check TargetId
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RockboxInfo rbinfo(RbSettings::value(RbSettings::Mountpoint).toString());
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QString installed = rbinfo.target();
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if(!installed.isEmpty() && installed !=
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SystemInfo::value(SystemInfo::CurConfigureModel).toString())
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{
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text += tr("<li>Target mismatch detected.\n"
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"Installed target: %1, selected target: %2.</li>")
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.arg(installed, SystemInfo::value(SystemInfo::CurPlatformName).toString());
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// FIXME: replace installed by human-friendly name
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}
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if(!text.isEmpty())
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return tr("Problem detected:") + "<ul>" + text + "</ul>";
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else
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return text;
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}
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/** @brief Compare two version strings.
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* @param s1 first version string
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* @param s2 second version string
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* @return 0 if strings identical, 1 if second is newer, -1 if first.
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*/
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int Utils::compareVersionStrings(QString s1, QString s2)
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{
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qDebug() << "[Utils] comparing version strings" << s1 << "and" << s2;
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QString a = s1.trimmed();
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QString b = s2.trimmed();
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// if strings are identical return 0.
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if(a.isEmpty())
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return 1;
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if(b.isEmpty())
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return -1;
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while(!a.isEmpty() || !b.isEmpty()) {
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// trim all leading non-digits and non-dots (dots are removed afterwards)
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a.remove(QRegExp("^[^\\d\\.]*"));
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b.remove(QRegExp("^[^\\d\\.]*"));
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// trim all trailing non-digits for conversion (QString::toInt()
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// requires this). Copy strings first as replace() changes the string.
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QString numa = a;
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QString numb = b;
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numa.remove(QRegExp("\\D+.*$"));
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numb.remove(QRegExp("\\D+.*$"));
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// convert to number
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bool ok1, ok2;
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int vala = numa.toUInt(&ok1);
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int valb = numb.toUInt(&ok2);
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// if none of the numbers converted successfully we're at trailing garbage.
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if(!ok1 && !ok2)
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break;
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if(!ok1)
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return 1;
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if(!ok2)
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return -1;
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// if numbers mismatch we have a decision.
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if(vala != valb)
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return (vala > valb) ? -1 : 1;
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// trim leading digits.
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a.remove(QRegExp("^\\d*"));
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b.remove(QRegExp("^\\d*"));
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// If only one of the following characters is a dot that one is
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// "greater" then anything else. Make sure it's followed by a number,
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// Otherwise it might be the end of the string or suffix. Do this
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// before version addon characters check to avoid stopping too early.
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bool adot = a.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
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bool bdot = b.contains(QRegExp("^[a-zA-Z]*\\.[0-9]"));
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if(adot && !bdot)
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return -1;
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if(!adot && bdot)
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return 1;
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// if number is immediately followed by a character consider it as
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// version addon (like 1.2.3b). In this case compare characters and end
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// (version numbers like 1.2b.3 aren't handled).
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QChar ltra;
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QChar ltrb;
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if(a.contains(QRegExp("^[a-zA-Z]")))
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ltra = a.at(0);
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if(b.contains(QRegExp("^[a-zA-Z]")))
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ltrb = b.at(0);
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if(ltra != ltrb)
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return (ltra < ltrb) ? 1 : -1;
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// both are identical or no addon characters, ignore.
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// remove modifiers and following dot.
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a.remove(QRegExp("^[a-zA-Z]*\\."));
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b.remove(QRegExp("^[a-zA-Z]*\\."));
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}
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// no differences found.
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return 0;
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}
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