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tdeedu/kiten/kloader.cpp

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3.4 KiB

// ksaver.cpp
//
// Copyright (C) 2001 Neil Stevens <multivac@fcmail.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// THE AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
// AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name(s) of the author(s) shall not be
// used in advertising or otherwise to promote the sale, use or other dealings
// in this Software without prior written authorization from the author(s).
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <klocale.h>
#include <kio/netaccess.h>
#include "kloader.h"
class KLoader::KLoaderPrivate
{
public:
KLoaderPrivate() : isLocal(true), file(0), textStream(0), dataStream(0) {}
~KLoaderPrivate()
{
delete file;
delete textStream;
delete dataStream;
}
bool isLocal;
QString tempFile;
QFile *file;
KURL url;
QString error;
QTextStream *textStream;
QDataStream *dataStream;
};
KLoader::KLoader(const KURL &target)
{
d = new KLoaderPrivate;
d->url = target;
if(d->url.protocol() == "file")
{
d->isLocal = true;
d->file = new QFile(d->url.path());
}
else
{
d->isLocal = false;
}
}
KLoader::~KLoader()
{
close();
delete d;
}
bool KLoader::open(void)
{
if(d->isLocal)
{
if(!d->file->open(IO_ReadOnly))
{
d->error = i18n("Could not read from %1.").arg(d->url.prettyURL());
return false;
}
}
else
{
if(!KIO::NetAccess::download(d->url, d->tempFile))
{
d->error = i18n("Could not read from %1.").arg(d->url.prettyURL());
return false;
}
d->file = new QFile(d->tempFile);
if(!d->file->open(IO_ReadOnly))
{
d->error = i18n("Could not read from %1.").arg(d->tempFile);
return false;
}
}
return true;
}
void KLoader::close(void)
{
d->textStream = 0;
d->dataStream = 0;
delete d->file;
d->file = 0;
if(!d->isLocal)
KIO::NetAccess::removeTempFile(d->tempFile);
}
QString KLoader::error(void)
{
return d->error;
}
QFile &KLoader::file(void)
{
if(d->file)
return *d->file;
else
return *static_cast<QFile *>(0);
}
QTextStream &KLoader::textStream()
{
if(d->textStream)
{
return *d->textStream;
}
else if(d->file)
{
d->textStream = new QTextStream(d->file);
return *d->textStream;
}
else
{
return *static_cast<QTextStream *>(0);
}
}
QDataStream &KLoader::dataStream()
{
if(d->dataStream)
{
return *d->dataStream;
}
else if(d->file)
{
d->dataStream = new QDataStream(d->file);
return *d->dataStream;
}
else
{
return *static_cast<QDataStream *>(0);
}
}