150 lines
4.5 KiB
C++
150 lines
4.5 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_EASY_H_
|
|
#define KICAD_CURL_EASY_H_
|
|
|
|
/*
|
|
* KICAD_CURL_EASY.h must included before wxWidgets because on Windows,
|
|
* kicad_curl.h does not include curl.h, because wxWidgets ends up including windows.h
|
|
* before winsocks2.h inside curl and curl.h causes build warnings if included before and wxxxx.h
|
|
*
|
|
* so including kicad_curl.h could be needed in a few sources
|
|
*/
|
|
|
|
#include <string>
|
|
|
|
typedef void CURL;
|
|
struct curl_slist;
|
|
|
|
/**
|
|
* KICAD_CURL_EASY
|
|
* wrapper interface around the curl_easy API
|
|
*
|
|
* Handling of using the curl_easy API to make a request and save the response to
|
|
* a memory buffer
|
|
*
|
|
* Here is a small example usage:
|
|
* @code
|
|
* KICAD_CURL_EASY curl;
|
|
*
|
|
* curl.SetURL( "http://github.com" );
|
|
* curl.SetUserAgent( <http-client-identifier> );
|
|
* curl.SetHeader( "Accept", "application/json" );
|
|
* curl.Perform();
|
|
* @endcode
|
|
*/
|
|
|
|
|
|
class KICAD_CURL_EASY
|
|
{
|
|
public:
|
|
KICAD_CURL_EASY();
|
|
~KICAD_CURL_EASY();
|
|
|
|
/**
|
|
* Function perform
|
|
* equivalent to curl_easy_perform. Executes the request
|
|
* that was previously setup.
|
|
*
|
|
* @throw IO_ERROR, if there is a CURL request error
|
|
*/
|
|
void Perform();
|
|
|
|
/**
|
|
* Function SetHeader
|
|
* sets an arbitrary header for the HTTP(s) request.
|
|
*
|
|
* @param aName is the left hand side of the header, i.e. Accept without the colon
|
|
* @param aValue is the right hand side of the header, i.e. application/json
|
|
*/
|
|
void SetHeader( const std::string& aName, const std::string& aValue );
|
|
|
|
/**
|
|
* Function SetUserAgent
|
|
* sets the request user agent
|
|
*
|
|
* @param aAgent is the string to set for the user agent
|
|
* @return bool - True if successful, false if not
|
|
*/
|
|
bool SetUserAgent( const std::string& aAgent );
|
|
|
|
/**
|
|
* Function SetURL
|
|
* sets the request URL
|
|
*
|
|
* @param aURL is the URL
|
|
* @return bool - True if successful, false if not
|
|
*/
|
|
bool SetURL( const std::string& aURL );
|
|
|
|
/**
|
|
* Function SetFollowRedirects
|
|
* enables the following of HTTP(s) and other redirects, by default curl
|
|
* does not follow redirects.
|
|
*
|
|
* @param aFollow is a boolean where true will enable following redirects
|
|
* @return bool - True if successful, false if not
|
|
*/
|
|
bool SetFollowRedirects( bool aFollow );
|
|
|
|
/**
|
|
* Function GetErrorText
|
|
* fetches CURL's "friendly" error string for a given error code
|
|
*
|
|
* @param aCode is CURL error code
|
|
* @return const std::string - the corresponding error string for the given code
|
|
*/
|
|
const std::string GetErrorText( int aCode );
|
|
|
|
/**
|
|
* Function GetBuffer
|
|
* returns a const reference to the received data buffer
|
|
*/
|
|
const std::string& GetBuffer()
|
|
{
|
|
return m_buffer;
|
|
}
|
|
|
|
/// Escapes a string for use as a URL
|
|
std::string Escape( const std::string& aUrl );
|
|
|
|
private:
|
|
/**
|
|
* Function setOption
|
|
* sets a curl option, only supports single parameter curl options
|
|
*
|
|
* @param aOption is CURL option, see CURL manual for options
|
|
* @param aArg is the argument being passed to CURL, ensure it is the right type per manual
|
|
* @return int - a CURL error code, will return CURLE_OK unless a problem was encountered
|
|
*/
|
|
template <typename T> int setOption( int aOption, T aArg );
|
|
|
|
|
|
CURL* m_CURL;
|
|
curl_slist* m_headers;
|
|
std::string m_buffer;
|
|
};
|
|
|
|
#endif // KICAD_CURL_EASY_H_
|