Merge branch 'gpgmepp'

1 files changed, 208 insertions, 0 deletions

diff --git a/lang/cpp/src/data.cpp b/lang/cpp/src/data.cpp
new file mode 100644
index 00000000..bf9a629f
--- /dev/null
+++ b/lang/cpp/src/data.cpp
@@ -0,0 +1,208 @@
+/*
+  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 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.
+*/
+
+#include "data_p.h"
+#include <error.h>
+#include <interfaces/dataprovider.h>
+
+#include <gpgme.h>
+
+#ifndef NDEBUG
+#include <iostream>
+#endif
+
+GpgME::Data::Private::~Private()
+{
+    if (data) {
+        gpgme_data_release(data);
+    }
+}
+
+const GpgME::Data::Null GpgME::Data::null;
+
+GpgME::Data::Data()
+{
+    gpgme_data_t data;
+    const gpgme_error_t e = gpgme_data_new(&data);
+    d.reset(new Private(e ? 0 : data));
+}
+
+GpgME::Data::Data(const Null &)
+    : d(new Private(0))
+{
+
+}
+
+GpgME::Data::Data(gpgme_data_t data)
+    : d(new Private(data))
+{
+
+}
+
+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.reset(new Private(e ? 0 : data));
+}
+
+GpgME::Data::Data(const char *filename)
+{
+    gpgme_data_t data;
+    const gpgme_error_t e = gpgme_data_new(&data);
+    d.reset(new Private(e ? 0 : data));
+    if (!e) {
+        setFileName(filename);
+    }
+}
+
+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.reset(new Private(e ? 0 : data));
+}
+
+GpgME::Data::Data(FILE *fp)
+{
+    gpgme_data_t data;
+    const gpgme_error_t e = gpgme_data_new_from_stream(&data, fp);
+    d.reset(new Private(e ? 0 : data));
+}
+
+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.reset(new Private(e ? 0 : data));
+}
+
+GpgME::Data::Data(int fd)
+{
+    gpgme_data_t data;
+    const gpgme_error_t e = gpgme_data_new_from_fd(&data, fd);
+    d.reset(new Private(e ? 0 : data));
+}
+
+GpgME::Data::Data(DataProvider *dp)
+{
+    d.reset(new Private);
+    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;
+}
+
+GpgME::Data::Encoding GpgME::Data::encoding() const
+{
+    switch (gpgme_data_get_encoding(d->data)) {
+    case GPGME_DATA_ENCODING_NONE:   return AutoEncoding;
+    case GPGME_DATA_ENCODING_BINARY: return BinaryEncoding;
+    case GPGME_DATA_ENCODING_BASE64: return Base64Encoding;
+    case GPGME_DATA_ENCODING_ARMOR:  return ArmorEncoding;
+    }
+    return AutoEncoding;
+}
+
+GpgME::Error GpgME::Data::setEncoding(Encoding enc)
+{
+    gpgme_data_encoding_t ge = GPGME_DATA_ENCODING_NONE;
+    switch (enc) {
+    case AutoEncoding:   ge = GPGME_DATA_ENCODING_NONE;   break;
+    case BinaryEncoding: ge = GPGME_DATA_ENCODING_BINARY; break;
+    case Base64Encoding: ge = GPGME_DATA_ENCODING_BASE64; break;
+    case ArmorEncoding:  ge = GPGME_DATA_ENCODING_ARMOR;  break;
+    }
+    return Error(gpgme_data_set_encoding(d->data, ge));
+}
+
+GpgME::Data::Type GpgME::Data::type() const
+{
+    if (isNull()) {
+        return Invalid;
+    }
+    switch (gpgme_data_identify(d->data, 0)) {
+    case GPGME_DATA_TYPE_INVALID:       return Invalid;
+    case GPGME_DATA_TYPE_UNKNOWN:       return Unknown;
+    case GPGME_DATA_TYPE_PGP_SIGNED:    return PGPSigned;
+    case GPGME_DATA_TYPE_PGP_OTHER:     return PGPOther;
+    case GPGME_DATA_TYPE_PGP_KEY:       return PGPKey;
+    case GPGME_DATA_TYPE_CMS_SIGNED:    return CMSSigned;
+    case GPGME_DATA_TYPE_CMS_ENCRYPTED: return CMSEncrypted;
+    case GPGME_DATA_TYPE_CMS_OTHER:     return CMSOther;
+    case GPGME_DATA_TYPE_X509_CERT:     return X509Cert;
+    case GPGME_DATA_TYPE_PKCS12:        return PKCS12;
+    }
+    return Invalid;
+}
+
+char *GpgME::Data::fileName() const
+{
+    return gpgme_data_get_file_name(d->data);
+}
+
+GpgME::Error GpgME::Data::setFileName(const char *name)
+{
+    return Error(gpgme_data_set_file_name(d->data, name));
+}
+
+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);
+}