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SingularityViewer/indra/llmessage/aihttpheaders.h
2012-08-20 21:18:19 +02:00

87 lines
2.8 KiB
C++

/**
* @file aihttpheaders.h
* @brief Keep a list of HTTP headers.
*
* Copyright (c) 2012, Aleric Inglewood.
*
* 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 2 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, see <http://www.gnu.org/licenses/>.
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution.
*
* CHANGELOG
* and additional copyright holders.
*
* 15/08/2012
* Initial version, written by Aleric Inglewood @ SL
*/
#ifndef AIHTTPHEADERS_H
#define AIHTTPHEADERS_H
#include <string>
#include <map>
#include <iosfwd>
#include "llpointer.h"
#include "llthread.h" // LLThreadSafeRefCount
extern "C" struct curl_slist;
class AIHTTPHeaders {
public:
enum op_type
{
new_header, // The inserted header must be the first one.
replace_if_exists, // If a header of this type already exists, replace it. Otherwise add the header.
keep_existing_header // If a header of this type already exists, do nothing.
};
// Construct an empty container.
AIHTTPHeaders(void);
// Construct a container with a single header.
AIHTTPHeaders(std::string const& key, std::string const& value);
// Add a header. Returns true if the header already existed.
bool addHeader(std::string const& key, std::string const& value, op_type op = new_header);
// Return true if there are no headers associated with this object.
bool empty(void) const { return !mContainer || mContainer->mKeyValuePairs.empty(); }
// Return true if the header already exists.
bool hasHeader(std::string const& key) const;
// Return true if key exists and full value_out with the value. Return false otherwise.
bool getValue(std::string const& key, std::string& value_out) const;
// Append the headers to slist.
void append_to(curl_slist*& slist) const;
// For debug purposes.
friend std::ostream& operator<<(std::ostream& os, AIHTTPHeaders const& headers);
private:
typedef std::map<std::string, std::string> container_t;
typedef std::pair<container_t::iterator, bool> insert_t;
struct Container : public LLThreadSafeRefCount {
container_t mKeyValuePairs;
};
LLPointer<Container> mContainer;
};
#endif // AIHTTPHEADERS_H