kicad/include/kicad_curl/kicad_curl.h

129 lines
4.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Mark Roszko <mark.roszko@gmail.com>
* Copyright (C) 2015 KiCad Developers, see CHANGELOG.TXT for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef KICAD_CURL_H_
#define KICAD_CURL_H_
/*
* KICAD_CURL.h must be included before wxWidgets because on Windows,
* wxWidgets ends up including windows.h before winsocks2.h inside curl
* this causes build warnings
* Because we are before wx, we must explicitly define we are building with unicode.
* wxWidgets defaults to supporting unicode now, so this should be safe.
*/
#if defined(WIN32)
#ifndef UNICODE
# define UNICODE
#endif
#ifndef _UNICODE
# define _UNICODE
#endif
#endif
#include <curl/curl.h>
#include <string>
// CURL_EXTERN expands to dllimport on MinGW which causes gcc warnings. This really should
// expand to nothing on MinGW.
#if defined( __MINGW32__)
# if defined( CURL_EXTERN )
# undef CURL_EXTERN
# define CURL_EXTERN
# endif
#endif
struct DYN_LOOKUP;
/**
* Class KICAD_CURL
* simple wrapper class to call curl_global_init and curl_global_cleanup for KiCad.
*/
class KICAD_CURL
{
friend class KICAD_CURL_EASY;
public:
/**
* Function Init
* calls curl_global_init for the application. It must be used only once
* and before any curl functions that perform requests.
*
* @return bool - True if successful, false if CURL returned an error
* @throw IO_ERROR on failure, hopefully with helpful text in it.
*/
static void Init();
/**
* Function Cleanup
* calls curl_global_cleanup for the application. It must be used only after
* curl_global_init was called.
*/
static void Cleanup();
/**
* Function GetVersion
* wrapper for curl_version(). Reports back a short string of loaded libraries.
*
* @return const char* - String reported by libcurl and owned by it.
* @throw IO_ERROR on failure, hopefully with helpful text in it.
*/
static const char* GetVersion()
{
return KICAD_CURL::version();
}
/**
* Function GetSimpleVersion
* Reports back curl version only and SSL library support
*
* @return std::string - Generated version string
*/
static std::string GetSimpleVersion();
private:
// Alphabetically:
// dynamically looked up libcurl function pointers whose prototypes were
// taken from the system's libcurl headers.
static void (CURL_EXTERN * easy_cleanup) ( CURL* curl );
static CURL* (CURL_EXTERN * easy_init) ( void );
static CURLcode (CURL_EXTERN * easy_perform) ( CURL* curl );
static CURLcode (CURL_EXTERN * easy_setopt) ( CURL* curl, CURLoption option, ... );
static const char* (CURL_EXTERN * easy_strerror) ( CURLcode );
static CURLcode (CURL_EXTERN * global_init) ( long flags );
static void (CURL_EXTERN * global_cleanup) ( void );
static curl_slist* (CURL_EXTERN * slist_append) ( curl_slist*, const char* );
static void (CURL_EXTERN * slist_free_all) ( curl_slist* );
static char* (CURL_EXTERN * version) ( void );
static curl_version_info_data* (CURL_EXTERN * version_info) (CURLversion);
/// A tuple of ASCII function names and pointers to pointers to functions
static const DYN_LOOKUP dyn_funcs[];
};
#endif // KICAD_CURL_H_