kleopatra/utils/detail_p.h

   1 /* -*- mode: c++; c-basic-offset:4 -*-
   2     utils/detail_p.h
   3
   4     This file is part of Kleopatra, the KDE keymanager
   5     Copyright (c) 2007 Klarälvdalens Datakonsult AB
   6
   7     Kleopatra is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     Kleopatra is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15     General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with this program; if not, write to the Free Software
  19     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21     In addition, as a special exception, the copyright holders give
  22     permission to link the code of this program with any edition of
  23     the Qt library by Trolltech AS, Norway (or with modified versions
  24     of Qt that use the same license as Qt), and distribute linked
  25     combinations including the two.  You must obey the GNU General
  26     Public License in all respects for all of the code used other than
  27     Qt.  If you modify this file, you may extend this exception to
  28     your version of the file, but you are not obligated to do so.  If
  29     you do not wish to do so, delete this exception statement from
  30     your version.
  31 */
  32
  33 #ifndef __KLEOPATRA_UTILS_DETAIL_P_H__
  34 #define __KLEOPATRA_UTILS_DETAIL_P_H__
  35
  36 #include <kleo-assuan.h>
  37
  38 #include <boost/shared_ptr.hpp>
  39
  40 #include <QByteArray>
  41
  42 #ifdef _WIN32
  43 #include <io.h>
  44 #endif
  45
  46 class QString;
  47
  48 namespace Kleo {
  49 namespace _detail {
  50
  51     template <template <typename U> class Op>
  52     struct ByName {
  53         typedef bool result_type;
  54
  55         template <typename T>
  56         bool operator()( const T & lhs, const T & rhs ) const {
  57             return Op<int>()( qstricmp( lhs->name(), rhs->name() ), 0 );
  58         }
  59         template <typename T>
  60         bool operator()( const T & lhs, const char * rhs ) const {
  61             return Op<int>()( qstricmp( lhs->name(), rhs ), 0 );
  62         }
  63         template <typename T>
  64         bool operator()( const char * lhs, const T & rhs ) const {
  65             return Op<int>()( qstricmp( lhs, rhs->name() ), 0 );
  66         }
  67         bool operator()( const char * lhs, const char * rhs ) const {
  68             return Op<int>()( qstricmp( lhs, rhs ), 0 );
  69         }
  70     };
  71
  72     // inspired by GnuPG's translate_sys2libc_fd, this converts a HANDLE
  73     // to int fd on Windows, and is a NO-OP on POSIX:
  74     static inline int translate_sys2libc_fd( assuan_fd_t fd, bool for_write ) {
  75         if ( fd == ASSUAN_INVALID_FD )
  76             return -1;
  77 #ifdef _WIN32_WCE
  78         return (int)fd;
  79 #elif defined(_WIN32)
  80         return _open_osfhandle( (intptr_t)fd, for_write );
  81 #else
  82         (void)for_write;
  83         return fd;
  84 #endif
  85     }
  86
  87     static inline assuan_fd_t translate_libc2sys_fd( int fd ) {
  88         if ( fd == -1 )
  89             return ASSUAN_INVALID_FD;
  90 #ifdef _WIN32_WCE
  91         return (assuan_fd_t)fd;
  92 #elif defined(_WIN32)
  93         return (assuan_fd_t)_get_osfhandle( fd );
  94 #else
  95         return fd;
  96 #endif
  97     }
  98
  99     //returns an integer representation of the assuan_fd_t,
 100     //suitable for debug output
 101     static inline qulonglong assuanFD2int( assuan_fd_t fd )
 102     {
 103 #ifdef _WIN32
 104         return reinterpret_cast<qulonglong>( fd );
 105 #else
 106         return static_cast<qulonglong>( fd );
 107 #endif
 108     }
 109 }
 110 }
 111
 112 #endif /* __KLEOPATRA_UTILS_DETAIL_P_H__ */