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/* $Id: headers.H,v 1.3 2004/06/23 00:55:01 mrsam Exp $
**
** Copyright 2004, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#ifndef libmail_header_H
#define libmail_header_H
///////////////////////////////////////////////////////////////////////////
//
// Helper classes for parsing headers.
#include <list>
#include <string>
#include <vector>
#include "structure.H"
#include "rfcaddr.H"
#include "namespace.H"
LIBMAIL_START
class emailAddress;
//
// Superclass of all headers
//
class Header {
protected:
std::string wrap(std::string) const;
class listitem;
public:
class plain;
class encoded;
class addresslist;
class mime;
class list;
std::string name; // Header name, without the colon
Header(std::string nameArg) : name(nameArg) {}
virtual ~Header();
Header(const Header &); // UNDEFINED
Header &operator=(const Header &); // UNDEFINED
virtual std::string toString() const=0; // Convert to string format.
virtual Header *clone() const=0; // Clone myself
};
//
// An unstructured header, 7-bit only.
//
class Header::plain : public Header {
std::string text;
public:
plain(std::string name, std::string textArg)
: Header(name), text(textArg) {}
~plain();
std::string toString() const;
mail::Header *clone() const;
};
//
// An unstructured header, MIME-encoded.
//
class Header::encoded : public Header::plain {
static std::string encode(std::string, std::string, std::string);
public:
encoded(std::string name,
std::string text, std::string charset,
std::string lang="");
~encoded();
};
//
// A header containing a list of addresses.
//
class Header::addresslist : public Header {
public:
std::vector<mail::emailAddress> addresses;
addresslist(std::string name);
addresslist(std::string name,
const std::vector<mail::emailAddress> &addressesArg);
~addresslist();
addresslist &operator()(std::string name, std::string addr)
{
addresses.push_back(mail::emailAddress(name, addr));
return *this;
}
addresslist &operator()(const mail::emailAddress &a)
{
addresses.push_back(a);
return *this;
}
std::string toString() const;
mail::Header *clone() const;
};
//
// A MIME header, such as Content-Type: or Content-Description:
//
class Header::mime : public Header {
public:
std::string value;
mimestruct::parameterList parameters;
typedef mimestruct::parameterList::iterator parameter_iterator;
typedef mimestruct::parameterList::const_iterator const_parameter_iterator;
mime(std::string name);
mime(std::string name, std::string value);
static mime fromString(std::string);
private:
static void cb_type(const char *, void *);
static void cb_param(const char *, const char *, void *);
public:
~mime();
std::string toString() const;
mime &operator()(std::string name,
std::string value)
{
parameters.set_simple(name, value);
return *this;
}
mime &operator()(std::string name,
std::string value,
std::string charset,
std::string language="")
{
parameters.set(name, value, charset, language);
return *this;
}
parameter_iterator begin() { return parameters.begin(); }
parameter_iterator end() { return parameters.end(); }
const_parameter_iterator begin() const
{
return parameters.begin();
}
const_parameter_iterator end() const
{
return parameters.end();
}
mail::Header *clone() const;
};
//
// Helper class for a list of headers. Header::listitem wraps around a
// Header superclass, and pretends to be one.
//
class Header::listitem {
Header *h;
public:
listitem(const Header &);
~listitem();
listitem &operator=(const Header &);
operator Header &() { return *h; }
operator const Header &() const { return *h; }
};
//
// A list of headers is just a subclass of a list<Header::listitem> which
// defines a convenient string operator that returns the string representation
// of this list of headers
//
class Header::list : public std::list<Header::listitem> {
public:
list();
~list();
operator std::string() const;
Header::list &operator<<(const Header &h)
{
push_back(h);
return *this;
}
};
LIBMAIL_END
#endif
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