cpp,qt: Remove C++ and Qt bindings

* README: Update.
* configure.ac: Remove checks, variables and file generations related to
the C++/Qt bindings. Remove cpp and qt* from available_languages and
default_languages.
* lang/Makefile.am (DIST_SUBDIRS): Remove cpp and qt.
* lang/cpp, lang/qt: Remove.
* m4/ax_check_compile_flag.m4, m4/ax_cxx_compile_stdcxx.m4,
m4/ax_gcc_func_attribute.m4, m4/pkg.m4, m4/qt5.m4, m4/qt6.m4: Remove.
--

The C++ and Qt bindings have been moved to separate Git repositories:
gpgmepp and gpgmeqt.

GnuPG-bug-id: 7262

1 files changed, 0 insertions, 205 deletions

diff --git a/lang/cpp/src/gpgaddexistingsubkeyeditinteractor.cpp b/lang/cpp/src/gpgaddexistingsubkeyeditinteractor.cpp
deleted file mode 100644
index 49e98def..00000000
--- a/lang/cpp/src/gpgaddexistingsubkeyeditinteractor.cpp
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
-  gpgaddexistingsubkeyeditinteractor.cpp - Edit Interactor to add an existing subkey to an OpenPGP key
-  Copyright (c) 2022 g10 Code GmbH
-  Software engineering by Ingo Klöcker <[email protected]>
-
-  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.
-*/
-
-#ifdef HAVE_CONFIG_H
- #include "config.h"
-#endif
-
-#include "gpgaddexistingsubkeyeditinteractor.h"
-
-#include "error.h"
-
-#include <gpgme.h>
-
-// avoid conflict (msvc)
-#ifdef ERROR
-# undef ERROR
-#endif
-
-using namespace GpgME;
-
-class GpgAddExistingSubkeyEditInteractor::Private
-{
-    enum {
-        START = EditInteractor::StartState,
-        COMMAND,
-        ADD_EXISTING_KEY,
-        KEYGRIP,
-        FLAGS,
-        VALID,
-        KEY_CREATED,
-        QUIT,
-        SAVE,
-
-        ERROR = EditInteractor::ErrorState
-    };
-
-    GpgAddExistingSubkeyEditInteractor *const q = nullptr;
-
-public:
-    Private(GpgAddExistingSubkeyEditInteractor *q, const std::string &keygrip)
-        : q{q}
-        , keygrip{keygrip}
-    {
-    }
-
-    const char *action(Error &err) const;
-    unsigned int nextState(unsigned int statusCode, const char *args, Error &err) const;
-
-    std::string keygrip;
-    std::string expiry;
-};
-
-const char *GpgAddExistingSubkeyEditInteractor::Private::action(Error &err) const
-{
-    switch (q->state()) {
-    case COMMAND:
-        return "addkey";
-    case ADD_EXISTING_KEY:
-        return "keygrip";
-    case KEYGRIP:
-        return keygrip.c_str();
-    case FLAGS:
-        return "Q"; // do not toggle any usage flags
-    case VALID:
-        return expiry.empty() ? "0" : expiry.c_str();
-    case QUIT:
-        return "quit";
-    case SAVE:
-        return "Y";
-    case START:
-    case KEY_CREATED:
-    case ERROR:
-        return nullptr;
-    default:
-        err = Error::fromCode(GPG_ERR_GENERAL);
-        return nullptr;
-    }
-}
-
-unsigned int GpgAddExistingSubkeyEditInteractor::Private::nextState(unsigned int status, const char *args, Error &err) const
-{
-    using std::strcmp;
-
-    static const Error GENERAL_ERROR  = Error::fromCode(GPG_ERR_GENERAL);
-    static const Error NO_KEY_ERROR = Error::fromCode(GPG_ERR_NO_KEY);
-    static const Error INV_TIME_ERROR = Error::fromCode(GPG_ERR_INV_TIME);
-
-    switch (q->state()) {
-    case START:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keyedit.prompt") == 0) {
-            return COMMAND;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case COMMAND:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keygen.algo") == 0) {
-            return ADD_EXISTING_KEY;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case ADD_EXISTING_KEY:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keygen.keygrip") == 0) {
-            return KEYGRIP;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case KEYGRIP:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keygen.flags") == 0) {
-            return FLAGS;
-        } else if (status == GPGME_STATUS_GET_LINE &&
-                   strcmp(args, "keygen.keygrip") == 0) {
-            err = NO_KEY_ERROR;
-            return ERROR;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case FLAGS:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keygen.valid") == 0) {
-            return VALID;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case VALID:
-        if (status == GPGME_STATUS_KEY_CREATED) {
-            return KEY_CREATED;
-        }
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keyedit.prompt") == 0) {
-            return QUIT;
-        } else if (status == GPGME_STATUS_GET_LINE &&
-                   strcmp(args, "keygen.valid") == 0) {
-            err = INV_TIME_ERROR;
-            return ERROR;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case KEY_CREATED:
-        return QUIT;
-    case QUIT:
-        if (status == GPGME_STATUS_GET_BOOL &&
-                strcmp(args, "keyedit.save.okay") == 0) {
-            return SAVE;
-        }
-        err = GENERAL_ERROR;
-        return ERROR;
-    case ERROR:
-        if (status == GPGME_STATUS_GET_LINE &&
-                strcmp(args, "keyedit.prompt") == 0) {
-            return QUIT;
-        }
-        err = q->lastError();
-        return ERROR;
-    default:
-        err = GENERAL_ERROR;
-        return ERROR;
-    }
-}
-
-GpgAddExistingSubkeyEditInteractor::GpgAddExistingSubkeyEditInteractor(const std::string &keygrip)
-    : EditInteractor{}
-    , d{new Private{this, keygrip}}
-{
-}
-
-GpgAddExistingSubkeyEditInteractor::~GpgAddExistingSubkeyEditInteractor() = default;
-
-void GpgAddExistingSubkeyEditInteractor::setExpiry(const std::string &timeString)
-{
-    d->expiry = timeString;
-}
-
-const char *GpgAddExistingSubkeyEditInteractor::action(Error &err) const
-{
-    return d->action(err);
-}
-
-unsigned int GpgAddExistingSubkeyEditInteractor::nextState(unsigned int status, const char *args, Error &err) const
-{
-    return d->nextState(status, args, err);
-}