261245a2e0
* lang/cpp/src/data.h, lang/cpp/src/data.cpp (setFileName): Add overload. -- GnuPG-bug-id: 6342
143 lines
3.4 KiB
C++
143 lines
3.4 KiB
C++
/*
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data.h - wraps a gpgme data object
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Copyright (C) 2003,2004 Klarälvdalens Datakonsult AB
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This file is part of GPGME++.
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GPGME++ is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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GPGME++ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with GPGME++; see the file COPYING.LIB. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef __GPGMEPP_DATA_H__
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#define __GPGMEPP_DATA_H__
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#include "global.h"
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#include "key.h"
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#include <sys/types.h> // for size_t, off_t
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#include <cstdio> // FILE
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#include <algorithm>
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#include <memory>
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namespace GpgME
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{
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class DataProvider;
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class Error;
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class GPGMEPP_EXPORT Data
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{
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struct Null {
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Null() {}
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};
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public:
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/* implicit */ Data(const Null &);
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Data();
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explicit Data(gpgme_data_t data);
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// Memory-Based Data Buffers:
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Data(const char *buffer, size_t size, bool copy = true);
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explicit Data(const char *filename);
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Data(const char *filename, off_t offset, size_t length);
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Data(std::FILE *fp, off_t offset, size_t length);
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// File-Based Data Buffers:
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explicit Data(std::FILE *fp);
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explicit Data(int fd);
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// Callback-Based Data Buffers:
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explicit Data(DataProvider *provider);
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static const Null null;
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Data(const Data &other) = default;
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const Data &operator=(Data other)
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{
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swap(other);
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return *this;
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}
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void swap(Data &other)
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{
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using std::swap;
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swap(this->d, other.d);
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}
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bool isNull() const;
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enum Encoding {
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AutoEncoding,
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BinaryEncoding,
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Base64Encoding,
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ArmorEncoding,
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MimeEncoding,
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UrlEncoding,
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UrlEscEncoding,
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Url0Encoding,
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};
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Encoding encoding() const;
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Error setEncoding(Encoding encoding);
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enum Type {
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Invalid,
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Unknown,
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PGPSigned,
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PGPOther,
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PGPKey,
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CMSSigned,
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CMSEncrypted,
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CMSOther,
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X509Cert,
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PKCS12,
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PGPEncrypted,
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PGPSignature,
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};
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Type type() const;
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char *fileName() const;
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Error setFileName(const char *name);
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Error setFileName(const std::string &name);
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ssize_t read(void *buffer, size_t length);
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ssize_t write(const void *buffer, size_t length);
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off_t seek(off_t offset, int whence);
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/* Convenience function to do a seek (0, SEEK_SET). */
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Error rewind();
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/** Try to parse the data to a key object using the
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* Protocol proto. Returns an empty list on error.*/
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std::vector<Key> toKeys(const Protocol proto = Protocol::OpenPGP) const;
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/** Return a copy of the data as std::string. Sets seek pos to 0 */
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std::string toString();
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class Private;
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Private *impl()
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{
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return d.get();
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}
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const Private *impl() const
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{
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return d.get();
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}
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private:
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std::shared_ptr<Private> d;
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};
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}
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GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(Data)
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#endif // __GPGMEPP_DATA_H__
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