poco/Net/include/Poco/Net/NameValueCollection.h
2014-11-19 23:26:04 +01:00

129 lines
3.4 KiB
C++

//
// NameValueCollection.h
//
// $Id: //poco/1.4/Net/include/Poco/Net/NameValueCollection.h#1 $
//
// Library: Net
// Package: Messages
// Module: NameValueCollection
//
// Definition of the NameValueCollection class.
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Net_NameValueCollection_INCLUDED
#define Net_NameValueCollection_INCLUDED
#include "Poco/Net/Net.h"
#include "Poco/String.h"
#include "Poco/ListMap.h"
#include <cstddef>
namespace Poco {
namespace Net {
class Net_API NameValueCollection
/// A collection of name-value pairs that are used in
/// various internet protocols like HTTP and SMTP.
///
/// The name is case-insensitive.
///
/// There can be more than one name-value pair with the
/// same name.
{
public:
typedef Poco::ListMap<std::string, std::string> HeaderMap;
typedef HeaderMap::Iterator Iterator;
typedef HeaderMap::ConstIterator ConstIterator;
NameValueCollection();
/// Creates an empty NameValueCollection.
NameValueCollection(const NameValueCollection& nvc);
/// Creates a NameValueCollection by copying another one.
virtual ~NameValueCollection();
/// Destroys the NameValueCollection.
NameValueCollection& operator = (const NameValueCollection& nvc);
/// Assigns the name-value pairs of another NameValueCollection to this one.
void swap(NameValueCollection& nvc);
/// Swaps the NameValueCollection with another one.
const std::string& operator [] (const std::string& name) const;
/// Returns the value of the (first) name-value pair with the given name.
///
/// Throws a NotFoundException if the name-value pair does not exist.
void set(const std::string& name, const std::string& value);
/// Sets the value of the (first) name-value pair with the given name.
void add(const std::string& name, const std::string& value);
/// Adds a new name-value pair with the given name and value.
const std::string& get(const std::string& name) const;
/// Returns the value of the first name-value pair with the given name.
///
/// Throws a NotFoundException if the name-value pair does not exist.
const std::string& get(const std::string& name, const std::string& defaultValue) const;
/// Returns the value of the first name-value pair with the given name.
/// If no value with the given name has been found, the defaultValue is returned.
bool has(const std::string& name) const;
/// Returns true if there is at least one name-value pair
/// with the given name.
ConstIterator find(const std::string& name) const;
/// Returns an iterator pointing to the first name-value pair
/// with the given name.
ConstIterator begin() const;
/// Returns an iterator pointing to the begin of
/// the name-value pair collection.
ConstIterator end() const;
/// Returns an iterator pointing to the end of
/// the name-value pair collection.
bool empty() const;
/// Returns true iff the header does not have any content.
std::size_t size() const;
/// Returns the number of name-value pairs in the
/// collection.
void erase(const std::string& name);
/// Removes all name-value pairs with the given name.
void clear();
/// Removes all name-value pairs and their values.
private:
HeaderMap _map;
};
//
// inlines
//
inline void swap(NameValueCollection& nvc1, NameValueCollection& nvc2)
{
nvc1.swap(nvc2);
}
} } // namespace Poco::Net
#endif // Net_NameValueCollection_INCLUDED