diff options
Diffstat (limited to 'kpackage/cache.cpp')
| -rw-r--r-- | kpackage/cache.cpp | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/kpackage/cache.cpp b/kpackage/cache.cpp new file mode 100644 index 0000000..1877728 --- /dev/null +++ b/kpackage/cache.cpp @@ -0,0 +1,229 @@ +/* +** Copyright (C) 1999,2000 Toivo Pedaste <toivo@ucs.uwa.edu.au> +** +*/ + +/* +** This program is free software; you can redistribute it and/or modify +** it under the terms of the GNU General Public License as published by +** the Free Software Foundation; either version 2 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 General Public License for more details. +** +** You should have received a copy of the GNU General Public License +** along with this program in a file called COPYING; if not, write to +** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, +** MA 02110-1301, USA. +*/ + +/* +** Bug reports and questions can be sent to kde-devel@kde.org +*/ + +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> + +#include "kpackage.h" +#include "options.h" +#include "cache.h" +#include <klocale.h> +#include <kdebug.h> + +extern Opts *opts; +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// +cacheObj::cacheObj(const QString &Pbase, const QString &Plocation, const QString &PcacheFile, + const QString &Poption, bool Psubdirs) +{ + base = Pbase; + location = Plocation; + cacheFile = PcacheFile; + option = Poption; + subdirs = Psubdirs; +} + +cacheObj::~cacheObj() +{} + +QString cacheObj::PDir() +{ + struct stat buf; + stat(QFile::encodeName(QDir::homeDirPath()), &buf); + + QString tmpd = opts->CacheDir ; + + QDir d(tmpd); + if (!d.exists()) { + if (!d.mkdir(tmpd)) { + KpMsgE(i18n("Cannot create folder %1").arg(tmpd),TRUE); + tmpd = ""; + } else { + chown(QFile::encodeName(tmpd),buf.st_uid,buf.st_gid); + } + } + return tmpd; +} + +QString cacheObj::CDir() +{ + QString tmpd = PDir(); + if (!tmpd.isEmpty()) { + struct stat buf; + stat(QFile::encodeName(tmpd),&buf); + + tmpd += "dir/"; + + QDir d(tmpd); + if (!d.exists()) { + if (!d.mkdir(tmpd)) { + KpMsgE(i18n("Cannot create folder %1").arg(tmpd),TRUE); + tmpd = ""; + } else { + chown(QFile::encodeName(tmpd),buf.st_uid,buf.st_gid); + } + } + } + return tmpd; +} + +int cacheObj::newDCache(const QString &url, const QString &fn, QString &fname) { + + KURL u(url); + if ( !u.isValid() ) { + KpMsgE(i18n("Malformed URL: %1").arg(url),TRUE); + return -1; + } + + QString tmpd = cacheObj::CDir(); + if (tmpd.isEmpty()) { + return -1; + } else { + if (u.protocol() == "file") { + fname = u.path(); + return 0; + } + + fname = tmpd + fn; + + if (opts->DCache == Opts::NEVER) { + return 1; + } + + QFileInfo f(fname); + + if (f.exists() && f.size() > 0) { + return 0;; + } else { + if (f.size() == 0) + rmDCache(fname); + return 1; + } + } +} + +void cacheObj::rmDCache(const QString &fn) { + QString tmpd = cacheObj::CDir(); + tmpd += fn; + + if (!tmpd.isEmpty()) { + unlink(QFile::encodeName(tmpd)); + } +} + +void cacheObj::clearDCache() { + QString tmpd = cacheObj::CDir(); + + if (!tmpd.isEmpty()) { + QDir d(tmpd); + CacheList cl(d) ; + for (CacheList::iterator it = cl.begin() ; it != cl.end() ; ++it) { + QString s = tmpd; + s += *it; + unlink(QFile::encodeName(s)); + } + unlink(QFile::encodeName(cl.getCLFileName())) ; // also delete the kpackage_cachelist file + } +} + +void cacheObj::clearPCache() { + QString tmpd = cacheObj::PDir(); + + if (!tmpd.isEmpty()) { + QDir d(tmpd); + CacheList cl(d); + for (CacheList::iterator it = cl.begin() ; it != cl.end() ; ++it) { + QString s = tmpd ; + s += *it; + unlink(QFile::encodeName(s)); + } + unlink(QFile::encodeName(cl.getCLFileName())) ; // also delete the kpackage_cachelist file + } +} + +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// +LcacheObj::LcacheObj() +{ + setAutoDelete(TRUE); +} + +LcacheObj::~LcacheObj() +{ +} + +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// +CacheList::CacheList (const QDir& dir) +{ + CLFile.setName (dir.path() + "/kpackage_cachelist") ; + read() ; +} + +void CacheList::read () +{ + kdDebug() << "reading cachelist: " << CLFile.name() << "\n" ; + if (CLFile.open (IO_ReadOnly)) { + QTextStream stream (&CLFile) ; + QString line ; + while (!stream.eof()) { + line = stream.readLine() ; + if (line[0] != '#') { // not a comment + append (line) ; // to this QStringList + } + } + CLFile.close() ; + } + else { + // kdDebug() << "could not open cachelist " << CLFile.name() << "!\n" ; + } +} + +void CacheList::write () +{ + kdDebug() << "writing cachelist: " << CLFile.name() << "\n" ; + if (CLFile.open (IO_WriteOnly)) { + QTextStream stream (&CLFile) ; + stream << "# This file contains a list of files that have been cached in this folder.\n" ; + stream << "# Please only delete this if you want kpackage to forget what it has cached.\n" ; + for (QStringList::iterator it = begin() ; it != end() ; ++it) { + stream << *it << "\n" ; + } + CLFile.close() ; + } + else { + kdDebug() << "could not open cachelist " << CLFile.name() << "!\n" ; + } +} + +QString CacheList::getCLFileName () const +{ + return CLFile.name() ; +} + +////////////////////////////////////////////////////////////////////////////// +////////////////////////////////////////////////////////////////////////////// |