/usr/include/libgdamm-5.0/libgdamm/blobop.h is in libgdamm5.0-dev 4.99.6-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _LIBGDAMM_BLOBOP_H
#define _LIBGDAMM_BLOBOP_H
#include <glibmm/ustring.h>
#include <sigc++/sigc++.h>
// -*- C++ -*- //
/* blob-op.h
*
* Copyright 2001 Free Software Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glibmm/object.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef struct _GdaBlobOp GdaBlobOp;
typedef struct _GdaBlobOpClass GdaBlobOpClass;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
namespace Gnome
{
namespace Gda
{ class BlobOp_Class; } // namespace Gda
} // namespace Gnome
namespace Gnome
{
namespace Gda
{
class Blob;
/** Blobs handling.
* This object is a base class for individual database providers which support BLOB types.
* It supports operations to read and write data in a BLOB.
*
* @ingroup DataHandlers
*/
class BlobOp : public Glib::Object
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
public:
typedef BlobOp CppObjectType;
typedef BlobOp_Class CppClassType;
typedef GdaBlobOp BaseObjectType;
typedef GdaBlobOpClass BaseClassType;
private: friend class BlobOp_Class;
static CppClassType blobop_class_;
private:
// noncopyable
BlobOp(const BlobOp&);
BlobOp& operator=(const BlobOp&);
protected:
explicit BlobOp(const Glib::ConstructParams& construct_params);
explicit BlobOp(GdaBlobOp* castitem);
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
public:
virtual ~BlobOp();
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static GType get_type() G_GNUC_CONST;
static GType get_base_type() G_GNUC_CONST;
#endif
///Provides access to the underlying C GObject.
GdaBlobOp* gobj() { return reinterpret_cast<GdaBlobOp*>(gobject_); }
///Provides access to the underlying C GObject.
const GdaBlobOp* gobj() const { return reinterpret_cast<GdaBlobOp*>(gobject_); }
///Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.
GdaBlobOp* gobj_copy();
private:
protected:
BlobOp();
public:
static Glib::RefPtr<BlobOp> create();
/**
* @return The length of the blob in bytes. In case of error, -1 is returned and the
* provider should have added an error (a Gda::ConnectionEvent) to the connection.
*/
long get_length() const;
/** Reads a chunk of bytes from the BLOB accessible through @a op into @a blob.
* @param blob A Gda::Blob to read data to.
* @param offset Offset to read from the start of the blob (starts at 0).
* @param size Maximum number of bytes to read.
* @return The number of bytes actually read. In case of error, -1 is returned and the
* provider should have added an error to the connection.
*/
long read(Blob& blob, long offset, long size);
/** Writes a chunk of bytes from a @a blob to the BLOB accessible through @a op, @a blob is unchanged after
* this call.
*
* If @a blob has an associated Gda::BlobOp (ie. if @a blob->op is not <tt>0</tt>) then the data to be written
* using @a op is the data fetched using @a blob->op.
* @param blob A Gda::Blob which contains the data to write.
* @param offset Offset to write from the start of the blob (starts at 0).
* @return The number of bytes written. In case of error, -1 is returned and the
* provider should have added an error to the connection.
*/
long write(Blob& blob, long offset);
/** Reads the whole contents of the blob manipulated by @a op into @a blob
* @param blob A Gda::Blob to read data to.
* @return <tt>true</tt> if @a blob->data contains the whole BLOB manipulated by @a op.
*/
bool read_all(Blob& blob);
/** Writes the whole contents of @a blob into the blob manipulated by @a op. If necessary the resulting
* blob is truncated from its previous length.
* @param blob A Gda::Blob which contains the data to write.
* @return <tt>true</tt> on success.
*/
bool write_all(Blob& blob);
// vfuncs are not wrapped!
public:
public:
//C++ methods used to invoke GTK+ virtual functions:
protected:
//GTK+ Virtual Functions (override these to change behaviour):
//Default Signal Handlers::
};
} // namespace Gda
} // namespace Gnome
namespace Glib
{
/** A Glib::wrap() method for this object.
*
* @param object The C instance.
* @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
* @result A C++ instance that wraps this C instance.
*
* @relates Gnome::Gda::BlobOp
*/
Glib::RefPtr<Gnome::Gda::BlobOp> wrap(GdaBlobOp* object, bool take_copy = false);
}
#endif /* _LIBGDAMM_BLOBOP_H */
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