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/* $Id: structure.H,v 1.7 2005/06/17 02:05:58 mrsam Exp $
**
** Copyright 2002-2005, Double Precision Inc.
**
** See COPYING for distribution information.
*/
#ifndef libmail_structure_H
#define libmail_structure_H
#include "libmail_config.h"
#include <string>
#include <vector>
#include <map>
#include "namespace.H"
#include "misc.H"
struct unicode_info;
LIBMAIL_START
class envelope;
class xenvelope;
///////////////////////////////////////////////////////////////////////////
//
// The structure of a message is described by a tree of mail::mimestruct
// objects. Each mail::mimestruct objects represents a MIME section in the
// message, and may contain pointers to mail::mimestruct objects for content
// sections if the MIME section is a multipart section.
class mimestruct {
public:
// The Content-Type: and Content-Disposition: headers have an
// optional parameter=value; list, which is parsed into a hash.
//
// The get() method fetches the parameter. It's a pretty smart get()
// method. If a character set is provided, the parameter value is
// mapped to the specified character set. Additionally, the get()
// method automatically handles RFC 2231-encoded attributes.
// Ain't that cool?
class parameterList {
std::map<std::string, std::string> param_map;
public:
typedef std::map<std::string, std::string>::iterator iterator;
typedef std::map<std::string, std::string>::const_iterator
const_iterator;
iterator begin() { return param_map.begin(); }
iterator end() { return param_map.end(); }
const_iterator begin() const { return param_map.begin(); }
const_iterator end() const { return param_map.end(); }
parameterList();
~parameterList();
void set_simple(std::string name, std::string value)
{
mail::upper(name);
param_map.insert(std::make_pair(name, value));
}
void erase(std::string name)
{
mail::upper(name);
iterator p=param_map.find(name);
if (p != end())
param_map.erase(p);
}
void set(std::string name, std::string value,
std::string charset,
std::string language="");
bool exists(std::string name) const;
std::string get(std::string name,
const struct unicode_info *info=NULL) const;
std::string toString(std::string type) const;
// Create a header from "type", plus these parameters
};
std::string mime_id; // An opaque identifier of this MIME section.
std::string type, subtype; // text, plain
bool messagerfc822() const
{
return type == "MESSAGE" && subtype == "RFC822";
}
bool multipartsigned() const
{
return type == "MULTIPART" && subtype == "SIGNED";
}
bool multipartencrypted() const
{
return type == "MULTIPART" && subtype == "ENCRYPTED";
}
parameterList type_parameters;
// <charset, iso-8859-1>
std::string content_id;
std::string content_description;
std::string content_transfer_encoding;
size_t content_size;
size_t content_lines;
std::string content_md5;
std::string content_language;
std::string content_disposition;
parameterList content_disposition_parameters;
mimestruct();
~mimestruct();
// Copy constructors, and assignment operators, are fully functional.
mimestruct(const mimestruct &cpy);
mimestruct &operator=(const mimestruct &cpy);
private:
mail::envelope *message_rfc822_envelope;
std::vector<mimestruct *> children;
mimestruct *parent;
void destroy();
public:
// MESSAGE/RFC822 content also has an associated mail::envelope
// object. getEnvelope() automatically creates this object,
// which is automatically destroyed by the destructor
class mail::envelope &getEnvelope();
const class mail::envelope &getEnvelope() const
{
return *message_rfc822_envelope;
}
mimestruct *addChild();
size_t getNumChildren() const { return children.size(); }
const mimestruct *getChild(size_t n)
const { return children[n]; }
const mimestruct *getParent() const { return parent; }
mimestruct *getChild(size_t n) { return children[n]; }
mimestruct *getParent() { return parent; }
mimestruct *find(std::string mime_idArg)
{
if (mime_idArg == mime_id)
return this;
std::vector<mimestruct *>::iterator b=children.begin(),
e=children.end();
while (b != e)
{
mimestruct *p= (*b)->find(mime_idArg);
++b;
if (p)
return p;
}
return NULL;
}
};
LIBMAIL_END
#endif
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