1 files changed, 110 insertions, 0 deletions
diff --git a/lang/cpp/src/data.h b/lang/cpp/src/data.h
new file mode 100644
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--- /dev/null
+++ b/lang/cpp/src/data.h
@@ -0,0 +1,110 @@
+/*
+  data.h - wraps a gpgme data object
+  Copyright (C) 2003,2004 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 Library 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 Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with GPGME++; 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 __GPGMEPP_DATA_H__
+#define __GPGMEPP_DATA_H__
+
+#include "global.h"
+
+#include <boost/shared_ptr.hpp>
+
+#include <sys/types.h> // for size_t, off_t
+#include <cstdio> // FILE
+#include <algorithm>
+
+namespace GpgME
+{
+
+class DataProvider;
+class Error;
+
+class GPGMEPP_EXPORT Data
+{
+    struct Null {
+		Null() {}
+	};
+public:
+    /* implicit */ Data(const Null &);
+    Data();
+    explicit Data(gpgme_data_t data);
+
+    // Memory-Based Data Buffers:
+    Data(const char *buffer, size_t size, bool copy = true);
+    explicit Data(const char *filename);
+    Data(const char *filename, off_t offset, size_t length);
+    Data(std::FILE *fp, off_t offset, size_t length);
+    // File-Based Data Buffers:
+    explicit Data(std::FILE *fp);
+    explicit Data(int fd);
+    // Callback-Based Data Buffers:
+    explicit Data(DataProvider *provider);
+
+    static const Null null;
+
+    const Data &operator=(Data other)
+    {
+        swap(other);
+        return *this;
+    }
+
+    void swap(Data &other)
+    {
+        using std::swap;
+        swap(this->d, other.d);
+    }
+
+    bool isNull() const;
+
+    enum Encoding {
+        AutoEncoding,
+        BinaryEncoding,
+        Base64Encoding,
+        ArmorEncoding
+    };
+    Encoding encoding() const;
+    Error setEncoding(Encoding encoding);
+
+    char *fileName() const;
+    Error setFileName(const char *name);
+
+    ssize_t read(void *buffer, size_t length);
+    ssize_t write(const void *buffer, size_t length);
+    off_t seek(off_t offset, int whence);
+
+    class Private;
+    Private *impl()
+    {
+        return d.get();
+    }
+    const Private *impl() const
+    {
+        return d.get();
+    }
+private:
+    boost::shared_ptr<Private> d;
+};
+
+}
+
+GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(Data)
+
+#endif // __GPGMEPP_DATA_H__