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// $Id$
/**
* @file HeaderBase.h
*
* @author Martin Corino <mcorino@remedy.nl>
*/
#ifndef ACE_INET_HEADER_BASE_H
#define ACE_INET_HEADER_BASE_H
#include /**/ "ace/pre.h"
#include /**/ "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/SString.h"
#include "ace/Containers_T.h"
#include "ace/Containers_T.h"
#include "ace/OS_NS_ctype.h"
#include "ace/INet/INet_Export.h"
#include <iostream>
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE
{
namespace INet
{
/**
* @class ACE_INet_NVPair
*
* @brief Name/Value pair holder class.
*
*/
class NVPair
{
public:
NVPair ();
NVPair (const ACE_CString& first);
NVPair (const ACE_CString& first, const ACE_CString& second);
NVPair (const NVPair& pair);
virtual ~NVPair ();
NVPair& operator =(const NVPair& pair);
bool operator ==(const NVPair& pair) const;
bool operator <(const NVPair& pair) const;
const ACE_CString& first (void) const;
void first (const ACE_CString& t1);
const ACE_CString& second (void) const;
void second (const ACE_CString& t2);
private:
ACE_CString first_;
ACE_CString second_;
};
typedef ACE_Ordered_MultiSet<NVPair> TNVMap;
/**
* @class ACE_INet_HeaderBase
*
* @brief Encapsulates message header.
*
*/
class ACE_INET_Export HeaderBase
{
public:
/// Constructor
HeaderBase();
/// Destructor
virtual ~HeaderBase();
/// Sets the Content-Length header.
/// Removes the Content-Length header if
/// length is UNKNOWN_CONTENT_LENGTH.
virtual void set_content_length(int length);
/// Returns the content length for this message.
/// Returns UNKNOWN_CONTENT_LENGTH if no
/// Content-Length header is present.
virtual int get_content_length() const;
/// Sets the content type for this message.
/// Removes the Content-Type header if
/// UNKNOWN_CONTENT_TYPE is specified.
virtual void set_content_type(const ACE_CString& mime_type);
/// Returns the content type for this message.
/// Returns UNKNOWN_CONTENT_TYPE if
/// no Content-Type header is present.
virtual ACE_CString get_content_type() const;
void clear ();
/// Writes the headers to the given stream
virtual void write(std::ostream& str) const;
/// Reads the headers from the
/// given stream.
virtual bool read(std::istream& str);
static const int UNKNOWN_CONTENT_LENGTH;
static const ACE_CString UNKNOWN_CONTENT_TYPE;
static const ACE_CString CONTENT_LENGTH;
static const ACE_CString CONTENT_TYPE;
static const ACE_CString EMPTY;
/// Sets header <name> to <value>. Overwrites existing vaues.
void set (const ACE_CString& name, const ACE_CString& value);
/// Adds header <name> with <value>. Allows duplicates.
void add (const ACE_CString& name, const ACE_CString& value);
/// Removes header <name> (first found).
void remove (const ACE_CString& name);
/// Retrieves value for header <name> into <value> (first found).
bool get (const ACE_CString& name, ACE_CString& value) const;
/// Returns true if a header <name> exists (1 or more), false otherwise.
bool has (const ACE_CString& name) const;
/// Retrieves values for all headers <name> into <values>.
void get_values (const ACE_CString& name, ACE_Array<ACE_CString>& values) const;
protected:
int read_field (std::istream& str, ACE_CString& var, size_t maxlen, char delim);
int read_ws_field (std::istream& str, ACE_CString& var, size_t maxlen);
static const int eof_;
private:
/// Limits for reading a header
enum Limits
{
MAX_NAME_LENGTH = 256,
MAX_VALUE_LENGTH = 4096
};
TNVMap header_values_;
};
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "ace/INet/HeaderBase.inl"
#endif
#include /**/ "ace/post.h"
#endif /* ACE_INET_HEADER_BASE_H */
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