1 files changed, 78 insertions, 0 deletions
diff --git a/lang/cpp/src/error.h b/lang/cpp/src/error.h
new file mode 100644
index 00000000..009fe20f
--- /dev/null
+++ b/lang/cpp/src/error.h
@@ -0,0 +1,78 @@
+/*
+  error.h - wraps a gpgme error
+  Copyright (C) 2003, 2007 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.
+*/
+
+// -*- c++ -*-
+#ifndef __GPGMEPP_ERROR_H__
+#define __GPGMEPP_ERROR_H__
+
+#include "global.h"
+
+#include <string>
+#include <iosfwd>
+
+#include <gpg-error.h>
+
+#ifndef GPGMEPP_ERR_SOURCE_DEFAULT
+# define GPGMEPP_ERR_SOURCE_DEFAULT GPG_ERR_SOURCE_USER_1
+#endif
+
+namespace GpgME
+{
+
+class GPGMEPP_EXPORT Error
+{
+public:
+    Error() : mErr(0), mMessage() {}
+    explicit Error(unsigned int e) : mErr(e), mMessage() {}
+
+    const char *source() const;
+    const char *asString() const;
+
+    int code() const;
+    int sourceID() const;
+
+    bool isCanceled() const;
+
+    unsigned int encodedError() const
+    {
+        return mErr;
+    }
+    int toErrno() const;
+
+    static bool hasSystemError();
+    static Error fromSystemError(unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
+    static void setSystemError(gpg_err_code_t err);
+    static void setErrno(int err);
+    static Error fromErrno(int err, unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
+    static Error fromCode(unsigned int err, unsigned int src = GPGMEPP_ERR_SOURCE_DEFAULT);
+
+    GPGMEPP_MAKE_SAFE_BOOL_OPERATOR(mErr  &&!isCanceled())
+private:
+    unsigned int mErr;
+    mutable std::string mMessage;
+};
+
+GPGMEPP_EXPORT std::ostream &operator<<(std::ostream &os, const Error &err);
+
+} // namespace GpgME
+
+#endif /* __GPGMEPP_ERROR_H__ */