1 files changed, 160 insertions, 0 deletions
diff --git a/libtdenetwork/gpgmepp/data.cpp b/libtdenetwork/gpgmepp/data.cpp
new file mode 100644
index 000000000..52471be9b
--- /dev/null
+++ b/libtdenetwork/gpgmepp/data.cpp
@@ -0,0 +1,160 @@
+/* data.cpp - wraps a gpgme data object
+   Copyright (C) 2003 Klarälvdalens Datakonsult AB
+
+   This file is part of GPGME++.
+ 
+   GPGME++ 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.
+ 
+   GPGME++ 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 GPGME++; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gpgmepp/context.h> // Error
+#include <gpgmepp/interfaces/dataprovider.h>
+#include "data_p.h"
+
+#include <gpgme.h>
+
+#ifndef NDEBUG
+#include <iostream>
+#endif
+
+GpgME::Data::Private::~Private()  {
+  if ( data )
+    gpgme_data_release( data );
+}
+
+GpgME::Data GpgME::Data::null( (gpgme_data_t)0 );
+
+GpgME::Data::Data() {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new( &data );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( gpgme_data_t data ) {
+  d = new Private( data );
+  d->ref();
+}
+
+GpgME::Data::Data( const Data & other )
+  : d( other.d )
+{
+  d->ref();
+}
+
+GpgME::Data::~Data() {
+  d->unref(); d = 0;
+}
+
+
+const GpgME::Data & GpgME::Data::operator=( const Data & other ) {
+  if ( this->d == other.d ) return *this;
+
+  if ( other.d )
+    other.d->ref();
+  if ( this->d )
+    this->d->unref();
+  this->d = other.d;
+
+  return *this;
+}
+
+GpgME::Data::Data( const char * buffer, size_t size, bool copy ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_mem( &data, buffer, size, int( copy ) );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( const char * filename ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_file( &data, filename, 1 );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( const char * filename, off_t offset, size_t length ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_filepart( &data, filename, 0, offset, length );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( FILE * fp ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_stream( &data, fp );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( FILE * fp, off_t offset, size_t length ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_filepart( &data, 0, fp, offset, length );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( int fd ) {
+  gpgme_data_t data;
+  const gpgme_error_t e = gpgme_data_new_from_fd( &data, fd );
+  d = new Private( e ? 0 : data );
+  d->ref();
+}
+
+GpgME::Data::Data( DataProvider * dp ) {
+  d = new Private();
+  d->ref();
+  if ( !dp )
+    return;
+  if ( !dp->isSupported( DataProvider::Read ) )
+    d->cbs.read = 0;
+  if ( !dp->isSupported( DataProvider::Write ) )
+    d->cbs.write = 0;
+  if ( !dp->isSupported( DataProvider::Seek ) )
+    d->cbs.seek = 0;
+  if ( !dp->isSupported( DataProvider::Release ) )
+    d->cbs.release = 0;
+  const gpgme_error_t e = gpgme_data_new_from_cbs( &d->data, &d->cbs, dp );
+  if ( e )
+    d->data = 0;
+#ifndef NDEBUG
+//  std::cerr << "GpgME::Data(): DataProvider supports: "
+//	    << ( d->cbs.read ? "read" : "no read" ) << ", "
+//	    << ( d->cbs.write ? "write" : "no write" ) << ", "
+//	    << ( d->cbs.seek ? "seek" : "no seek" ) << ", "
+//	    << ( d->cbs.release ? "release" : "no release" ) << std::endl;
+#endif
+}
+
+
+
+bool GpgME::Data::isNull() const {
+  return !d || !d->data;
+}
+
+ssize_t GpgME::Data::read( void * buffer, size_t length ) {
+  return gpgme_data_read( d->data, buffer, length );
+}
+
+ssize_t GpgME::Data::write( const void * buffer, size_t length ) {
+  return gpgme_data_write( d->data, buffer, length );
+}
+
+off_t GpgME::Data::seek( off_t offset, int whence ) {
+  return gpgme_data_seek( d->data, offset, whence );
+}