Add XZ tdeioslave

Based on KDE GIT commit bbe9e8f5
(cherry picked from commit 7f328ba6990044b0a9d510060a2dcd468cf0fd9f)

5 files changed, 378 insertions, 0 deletions

diff --git a/kioslave/CMakeLists.txt b/kioslave/CMakeLists.txt
index 4c7bfe1c4..36c54239c 100644
--- a/kioslave/CMakeLists.txt
+++ b/kioslave/CMakeLists.txt
@@ -14,5 +14,6 @@ add_subdirectory( http )
 add_subdirectory( ftp )
 add_subdirectory( gzip )
 add_subdirectory( bzip2 )
+tde_conditional_add_subdirectory( WITH_LZMA xz )
 add_subdirectory( metainfo )
 add_subdirectory( iso )
diff --git a/kioslave/xz/CMakeLists.txt b/kioslave/xz/CMakeLists.txt
new file mode 100644
index 000000000..f15259bac
--- /dev/null
+++ b/kioslave/xz/CMakeLists.txt
@@ -0,0 +1,42 @@
+#################################################
+#
+#  (C) 2010 Serghei Amelian
+#  serghei (DOT) amelian (AT) gmail.com
+#
+#  Improvements and feedback are welcome
+#
+#  This file is released under GPL >= 2
+#
+#################################################
+
+include_directories(
+  ${TQT_INCLUDE_DIRS}
+  ${CMAKE_BINARY_DIR}
+  ${CMAKE_BINARY_DIR}/kdecore
+  ${CMAKE_SOURCE_DIR}/kdecore
+  ${CMAKE_SOURCE_DIR}/kio/kio
+)
+
+link_directories(
+  ${TQT_LIBRARY_DIRS}
+)
+
+
+##### other data ################################
+
+install( FILES kxzfilter.desktop DESTINATION ${SERVICES_INSTALL_DIR} )
+
+
+##### kxzfilter ###############################
+
+set( target kxzfilter )
+
+set( ${target}_SRCS
+  kxzfilter.cpp
+)
+
+tde_add_kpart( ${target} AUTOMOC
+  SOURCES ${${target}_SRCS}
+  LINK kio-shared ${LZMA_LIBRARIES}
+  DESTINATION ${PLUGIN_INSTALL_DIR}
+)
diff --git a/kioslave/xz/kxzfilter.cpp b/kioslave/xz/kxzfilter.cpp
new file mode 100644
index 000000000..2172ce2c8
--- /dev/null
+++ b/kioslave/xz/kxzfilter.cpp
@@ -0,0 +1,189 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 2007-2008 Per Øyvind Karlsen <peroyvind@mandriva.org>
+
+   Based on kbzip2filter:
+   Copyright (C) 2000-2005 David Faure <faure@kde.org>
+
+   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.
+*/
+
+#include "kxzfilter.h"
+#include <klibloader.h>
+
+#include <config.h>
+#if HAVE_XZ_SUPPORT
+extern "C" {
+	#include <lzma.h>
+}
+
+#include <kdebug.h>
+
+#include <tqiodevice.h>
+
+// #define DEBUG_XZ
+
+class KXzFilterFactory : public KLibFactory
+{
+public:
+    KXzFilterFactory() : KLibFactory() {}
+    virtual ~KXzFilterFactory(){}
+    TQObject *createObject( TQObject *, const char *, const char*, const TQStringList & )
+    {
+        return new KXzFilter;
+    }
+};
+
+K_EXPORT_COMPONENT_FACTORY( kxzfilter, KXzFilterFactory )
+
+
+class KXzFilter::Private
+{
+public:
+    Private()
+    : isInitialized(false)
+    {
+        memset(&zStream, 0, sizeof(zStream));
+        mode = 0;
+    }
+
+    lzma_stream zStream;
+    int mode;
+    bool isInitialized;
+};
+
+KXzFilter::KXzFilter()
+    :d(new Private)
+{
+}
+
+
+KXzFilter::~KXzFilter()
+{
+    delete d;
+}
+
+void KXzFilter::init( int mode )
+{
+    if (d->isInitialized) {
+        terminate();
+    }
+  
+    lzma_ret result;
+    d->zStream.next_in = 0;
+    d->zStream.avail_in = 0;
+    if ( mode == IO_ReadOnly )
+    {
+	/* We set the memlimit for decompression to 100MiB which should be
+	 * more than enough to be sufficient for level 9 which requires 65 MiB.
+	 */
+        result = lzma_auto_decoder(&d->zStream, 100<<20, 0);
+    	//kdDebug(7131) << "lzma_auto_decoder returned " << result;
+    } else if ( mode == IO_WriteOnly ) {
+        result = lzma_easy_encoder(&d->zStream, LZMA_PRESET_DEFAULT, LZMA_CHECK_CRC32);
+    	//kdDebug(7131) << "lzma_easy_encoder returned " << result;
+    } else
+        kdWarning(7131) << "Unsupported mode " << mode << ". Only IO_ReadOnly and IO_WriteOnly supported";
+    d->mode = mode;
+    d->isInitialized = true;
+}
+
+int KXzFilter::mode() const
+{
+    return d->mode;
+}
+
+void KXzFilter::terminate()
+{
+    if (d->mode == IO_ReadOnly || d->mode == IO_WriteOnly) {
+        lzma_end(&d->zStream);
+    } else {
+        kdWarning(7131) << "Unsupported mode " << d->mode << ". Only IO_ReadOnly and IO_WriteOnly supported";
+    }
+    d->isInitialized = false;
+}
+
+
+void KXzFilter::reset()
+{
+    //kdDebug(7131) << "KXzFilter::reset";
+    // liblzma doesn't have a reset call...
+    terminate();
+    init( d->mode );
+}
+
+void KXzFilter::setOutBuffer( char * data, uint maxlen )
+{
+    d->zStream.avail_out = maxlen;
+    d->zStream.next_out = (uint8_t *)data;
+}
+
+void KXzFilter::setInBuffer( const char *data, unsigned int size )
+{
+    d->zStream.avail_in = size;
+    d->zStream.next_in = (uint8_t *)const_cast<char *>(data);
+}
+
+int KXzFilter::inBufferAvailable() const
+{
+    return d->zStream.avail_in;
+}
+
+int KXzFilter::outBufferAvailable() const
+{
+    return d->zStream.avail_out;
+}
+
+KXzFilter::Result KXzFilter::uncompress()
+{
+    //kdDebug(7131) << "Calling lzma_code with avail_in=" << inBufferAvailable() << " avail_out =" << outBufferAvailable();
+    lzma_ret result = lzma_code(&d->zStream, LZMA_RUN);
+    if ( result != LZMA_OK )
+    {
+        kdDebug(7131) << "lzma_code returned " << result;
+        kdDebug(7131) << "KXzFilter::uncompress " << ( result == LZMA_STREAM_END ? END : ERROR );
+    }
+
+    switch (result) {
+        case LZMA_OK:
+                return OK;
+        case LZMA_STREAM_END:
+                return END;
+        default:
+                return ERROR;
+    }
+}
+
+KXzFilter::Result KXzFilter::compress( bool finish )
+{
+    //kdDebug(7131) << "Calling lzma_code with avail_in=" << inBufferAvailable() << " avail_out=" << outBufferAvailable();
+    lzma_ret result = lzma_code(&d->zStream, finish ? LZMA_FINISH : LZMA_RUN );
+
+    switch (result) {
+        case LZMA_OK:
+                return OK;
+                break;
+        case LZMA_STREAM_END:
+                kdDebug(7131) << "  lzma_code returned " << result;
+                return END;
+		break;
+        default:
+                kdDebug(7131) << "  lzma_code returned " << result;
+                return ERROR;
+                break;
+    }
+}
+
+#endif  /* HAVE_XZ_SUPPORT */
diff --git a/kioslave/xz/kxzfilter.desktop b/kioslave/xz/kxzfilter.desktop
new file mode 100644
index 000000000..7366b877f
--- /dev/null
+++ b/kioslave/xz/kxzfilter.desktop
@@ -0,0 +1,86 @@
+[Desktop Entry]
+Type=Service
+Name=XZ Filter
+Name[af]=XZ Filter
+Name[ar]=فلتر XZ
+Name[az]=XZ Filtri
+Name[be]=Фільтр XZ
+Name[bg]=Филтър XZ
+Name[bn]=জি-জিপ (XZ) ফিল্টার
+Name[br]=Sil XZ
+Name[ca]=Filtre XZ
+Name[cs]=Filtr XZ
+Name[csb]=Filter XZ
+Name[cy]=Hidl XZ
+Name[da]=XZ-filter
+Name[de]=XZ-Filter
+Name[el]=Φίλτρο XZ
+Name[eo]=XZ-filtrilo
+Name[es]=Filtro XZ
+Name[et]=XZ filter
+Name[eu]=XZ iragazkia
+Name[fa]=پالایۀ XZ
+Name[fi]=XZ-suodin
+Name[fr]=Filtre XZ
+Name[fy]=XZ-filter
+Name[ga]=Scagaire XZ
+Name[gl]=Filtro XZ
+Name[he]=מסנן XZ
+Name[hi]=XZ फ़िल्टर
+Name[hr]=XZ filtar
+Name[hu]=XZ szűrő
+Name[id]=Filter XZ
+Name[is]=XZ sía
+Name[it]=Filtro XZ
+Name[ja]=XZ フィルタ
+Name[ka]=XZ ფილტრი
+Name[kk]=XZ сүзгісі
+Name[km]=តម្រង XZ
+Name[ko]=XZ 거르개
+Name[lb]=XZ-Filter
+Name[lt]=XZ filtras
+Name[lv]=XZ Filtrs
+Name[mk]=XZ филтер
+Name[mn]=XZ-Filter
+Name[ms]=Penapis XZ
+Name[mt]=Filtru XZ
+Name[nb]=XZ-filter
+Name[nds]=XZ-Filter
+Name[ne]=XZ फिल्टर
+Name[nl]=XZ-filter
+Name[nn]=XZ-filter
+Name[nso]=Sesekodi sa XZ
+Name[pa]=XZ ਫਿਲਟਰ
+Name[pl]=Filtr XZ
+Name[pt]=Filtro XZ
+Name[pt_BR]=Filtro XZ
+Name[ro]=Filtru XZ
+Name[ru]=Фильтр XZ
+Name[rw]=Muyunguruzi XZ 
+Name[se]=XZ-filter
+Name[sk]=XZ filter
+Name[sl]=Filter za XZ
+Name[sq]=Filteri XZ
+Name[sr]=XZ филтер
+Name[sr@Latn]=XZ filter
+Name[ss]=Sisefo se XZ 
+Name[sv]=XZ-filter
+Name[ta]=XZ வடிகட்டி
+Name[te]=జిజిప్ గలని
+Name[tg]=Таровиши XZ
+Name[th]=ตัวกรอง XZ
+Name[tr]=XZ Filtresi
+Name[tt]=XZ Sözgeçe
+Name[uk]=Фільтр XZ
+Name[uz]=XZ-filter
+Name[uz@cyrillic]=XZ-филтер
+Name[ven]=Filithara ya XZ
+Name[vi]=Bộ lọc XZ
+Name[wa]=Passete XZ
+Name[xh]=Isihluzi se XZ
+Name[zh_CN]=XZ 过滤程序
+Name[zh_HK]=XZ 過濾器
+Name[zh_TW]=XZ 過濾器
+Name[zu]=Ihluzo le-XZ
+X-KDE-Library=kxzfilter
+ServiceTypes=KDECompressionFilter,application/x-xz,application/x-txz,application/x-lzma
diff --git a/kioslave/xz/kxzfilter.h b/kioslave/xz/kxzfilter.h
new file mode 100644
index 000000000..b2ef164ae
--- /dev/null
+++ b/kioslave/xz/kxzfilter.h
@@ -0,0 +1,60 @@
+/* This file is part of the KDE libraries
+   Copyright (C) 2007-2008 Per Øyvind Karlsen <peroyvind@mandriva.org>
+
+   Based on kbzip2filter:
+   Copyright (C) 2000 David Faure <faure@kde.org>
+
+   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.
+*/
+
+#ifndef KXZFILTER_H
+#define KXZFILTER_H
+
+#include <config.h>
+#if HAVE_XZ_SUPPORT
+
+#include "kfilterbase.h"
+
+/**
+ * Internal class used by KFilterDev
+ * @internal
+ */
+class KXzFilter : public KFilterBase
+{
+public:
+    KXzFilter();
+    virtual ~KXzFilter();
+
+    virtual void init( int );
+    virtual int mode() const;
+    virtual void terminate();
+    virtual void reset();
+    virtual bool readHeader() { return true; } // lzma handles it by itself ! Cool !
+    virtual bool writeHeader( const TQCString & ) { return true; }
+    virtual void setOutBuffer( char * data, uint maxlen );
+    virtual void setInBuffer( const char * data, uint size );
+    virtual int  inBufferAvailable() const;
+    virtual int  outBufferAvailable() const;
+    virtual Result uncompress();
+    virtual Result compress( bool finish );
+private:
+    class Private;
+    Private* const d;
+};
+
+#endif
+
+#endif // KXZFILTER_H