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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-06 15:56:40 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2011-11-06 15:56:40 -0600 |
commit | e16866e072f94410321d70daedbcb855ea878cac (patch) | |
tree | ee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdecore/kqiodevicegzip_p.cpp | |
parent | a58c20c1a7593631a1b50213c805507ebc16adaf (diff) | |
download | tdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip |
Actually move the kde files that were renamed in the last commit
Diffstat (limited to 'tdecore/kqiodevicegzip_p.cpp')
-rw-r--r-- | tdecore/kqiodevicegzip_p.cpp | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/tdecore/kqiodevicegzip_p.cpp b/tdecore/kqiodevicegzip_p.cpp new file mode 100644 index 000000000..0dcabed74 --- /dev/null +++ b/tdecore/kqiodevicegzip_p.cpp @@ -0,0 +1,163 @@ +/* This file is part of the KDE project + Copyright (C) 2001,2005 Nicolas GOUTTE <nicog@snafu.de> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +// TODO: more error report and control + +#include <tqstring.h> +#include "kqiodevicegzip_p.h" + +KQIODeviceGZip::KQIODeviceGZip(const TQString& filename) +{ + m_gzfile=0; + m_ungetchar=-1; + m_filename=filename; + setFlags(IO_Sequential); // We have no direct access, so it is sequential! + // NOTE: "sequential" also means that you cannot use size() +} + +KQIODeviceGZip::~KQIODeviceGZip(void) +{ + if (m_gzfile) + close(); +} + +bool KQIODeviceGZip::open(TQ_OpenMode mode) +{ + if (m_gzfile) + close(); // One file is already open, so close it first. + if (m_filename.isEmpty()) + return false; // No file name, cannot open! + + if (IO_ReadOnly==mode) + { + m_gzfile=gzopen(TQFile::encodeName(m_filename),"rb"); + } + else if (IO_WriteOnly==mode) + { + m_gzfile=gzopen(TQFile::encodeName(m_filename),"wb9"); // Always set best compression + } + else + { + // We only support read only or write only, nothing else! + return false; + } + return (m_gzfile!=0); +} + +void KQIODeviceGZip::close(void) +{ + if (m_gzfile) + { + gzclose(m_gzfile); + m_gzfile=0; + } +} + +void KQIODeviceGZip::flush(void) +{ + // Always try to flush, do not return any error! + if (m_gzfile) + { + gzflush(m_gzfile,Z_SYNC_FLUSH); + } +} + +#ifdef USE_QT4 +qint64 KQIODeviceGZip::size(void) const +#else // USE_QT4 +TQIODevice::Offset KQIODeviceGZip::size(void) const +#endif // USE_QT4 +{ + return 0; // You cannot determine size! +} + +TQIODevice::Offset KQIODeviceGZip::at() const +{ + if (!m_gzfile) + return 0; + return gztell(m_gzfile); +} + +bool KQIODeviceGZip::at(TQIODevice::Offset pos) +{ + if (!m_gzfile) + return false; + return (gzseek(m_gzfile,pos,SEEK_SET)>=0); +} + +bool KQIODeviceGZip::atEnd() const +{ + if (!m_gzfile) + return true; + return gzeof(m_gzfile); +} + +bool KQIODeviceGZip::reset(void) +{ + if (!m_gzfile) + return false; //Say we arew at end of file + return (gzrewind(m_gzfile)>=0); +} + +TQT_TQIO_LONG KQIODeviceGZip::tqreadBlock( char *data, TQT_TQIO_ULONG maxlen ) +{ + TQ_LONG result=0; + if (m_gzfile) + { + result=gzread(m_gzfile,data,maxlen); + if (result<0) result=0; + } + return result; +} + +TQT_TQIO_LONG KQIODeviceGZip::tqwriteBlock( const char *data, TQT_TQIO_ULONG len ) +{ + TQ_ULONG result=0; + if (m_gzfile) + { + result=gzwrite(m_gzfile,(char*)data,len); + } + return result; +} + +int KQIODeviceGZip::getch() +{ + if (m_ungetchar>0) + { + const int ch=m_ungetchar; + m_ungetchar=-1; + return ch; + } + if (!m_gzfile) + return -1; + return gzgetc(m_gzfile); +} + +int KQIODeviceGZip::putch( int ch) +{ + if (!m_gzfile) + return -1; + return gzputc(m_gzfile,ch); +} + +int KQIODeviceGZip::ungetch(int ch) +{ + m_ungetchar=ch; + return ch; +} |