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/* -*- c++ -*- */
//=============================================================================
/**
* @file Parse_Headers.h
*
* $Id: Parse_Headers.h 80826 2008-03-04 14:51:23Z wotte $
*
* @author James Hu
*/
//=============================================================================
#ifndef PARSE_HEADERS_H
#define PARSE_HEADERS_H
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
class Headers_Map_Item
{
friend class Headers_Map;
friend class Headers;
private:
Headers_Map_Item (void);
~Headers_Map_Item (void);
// operator const char * (void) const;
Headers_Map_Item &operator= (char *);
Headers_Map_Item &operator= (const char *);
Headers_Map_Item &operator= (const Headers_Map_Item &);
public:
const char *header (void) const;
const char *value (void) const;
private:
const char *header_;
const char *value_;
};
/**
* @class Headers_Map
*
* @brief Map textual headings to header values (e.g. "Subject:" maps to
* "Re: My left foot"
*/
class Headers_Map
{
public:
Headers_Map (void);
~Headers_Map (void);
Headers_Map_Item &operator[] (const char *const header);
const Headers_Map_Item &operator[] (const char *const header) const;
enum
{
MAX_HEADERS = 100
};
int mapped (const char *const header) const;
private:
Headers_Map_Item *find (const char *const header) const;
Headers_Map_Item *place (const char *const header);
static int compare (const void *item1, const void *item2);
private:
Headers_Map_Item map_[MAX_HEADERS];
Headers_Map_Item garbage_;
int num_headers_;
};
/**
* @class Headers
*
* @brief A general mechanism to parse headers of Internet text headers.
*
* Allow interesting headers to be inserted and later associated
* with values. This implementation assumes the parsing of headers
* will be done from ACE_Message_Blocks.
*/
class Headers
{
public:
Headers (void);
~Headers (void);
void recognize (const char *const header);
void parse_header_line (char *const header_line);
/**
* -1 -> end of line but not complete header line
* 0 -> no end of line marker
* 1 -> complete header line
*/
int complete_header_line (char *const header_line);
int end_of_headers (void) const;
enum
{
MAX_HEADER_LINE_LENGTH = 8192
};
Headers_Map_Item &operator[] (const char *const header);
const Headers_Map_Item &operator[] (const char *const header) const;
private:
int end_of_line (char *&line, int &offset) const;
private:
Headers_Map map_;
int done_;
};
#endif /* PARSE_HEADERS_H */
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