imapparser.hpp

MIME解析的代码

				theEncoder = new utility::encoder::b64Encoder();
			}

			if (theEncoder)
			{
				utility::inputStreamStringAdapter in(theText->value());
				utility::outputStreamStringAdapter out(m_value);

				theEncoder->decode(in, out);
				delete (theEncoder);
			}
			// No decoder available
			else
			{
				m_value = theText->value();
			}

			delete (theEncoding);
			delete (theText);

			*currentPos = pos;
		}

	private:

		vmime::charset m_charset;
		string m_value;

	public:

		const vmime::charset& charset() const { return (m_charset); }
		const string& value() const { return (m_value); }
	};


	//
	// flag            ::= "\Answered" / "\Flagged" / "\Deleted" /
	//                     "\Seen" / "\Draft" / flag_keyword / flag_extension
	//
	// flag_extension  ::= "\" atom
	//                     ;; Future expansion.  Client implementations
	//                     ;; MUST accept flag_extension flags.  Server
	//                     ;; implementations MUST NOT generate
	//                     ;; flag_extension flags except as defined by
	//                     ;; future standard or standards-track
	//                     ;; revisions of this specification.
	//
	// flag_keyword    ::= atom
	//

	class flag : public component
	{
	public:

		flag()
			: m_type(UNKNOWN), m_flag_keyword(NULL)
		{
		}

		~flag()
		{
			delete (m_flag_keyword);
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("flag_keyword");

			string::size_type pos = *currentPos;

			if (parser.check <one_char <'\\'> >(line, &pos, true))
			{
				if (parser.check <one_char <'*'> >(line, &pos, true))
				{
					m_type = STAR;
				}
				else
				{
					atom* at = parser.get <atom>(line, &pos);
					const string name = utility::stringUtils::toLower(at->value());
					delete (at);

					if (name == "answered")
						m_type = ANSWERED;
					else if (name == "flagged")
						m_type = FLAGGED;
					else if (name == "deleted")
						m_type = DELETED;
					else if (name == "seen")
						m_type = SEEN;
					else if (name == "draft")
						m_type = DRAFT;
					else
					{
						m_type = UNKNOWN;
						m_name = name;
					}
				}
			}
			else
			{
				m_type = KEYWORD_OR_EXTENSION;
				m_flag_keyword = parser.get <atom>(line, &pos);
			}

			*currentPos = pos;
		}


		enum Type
		{
			UNKNOWN,
			ANSWERED,
			FLAGGED,
			DELETED,
			SEEN,
			DRAFT,
			KEYWORD_OR_EXTENSION,
			STAR       // * = custom flags allowed
		};

	private:

		Type m_type;
		string m_name;

		IMAPParser::atom* m_flag_keyword;

	public:

		Type type() const { return (m_type); }
		const string& name() const { return (m_name); }

		const IMAPParser::atom* flag_keyword() const { return (m_flag_keyword); }
	};


	//
	// flag_list ::= "(" #flag ")"
	//

	class flag_list : public component
	{
	public:

		~flag_list()
		{
			for (std::vector <flag*>::iterator it = m_flags.begin() ;
			     it != m_flags.end() ; ++it)
			{
				delete (*it);
			}
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("flag_list");

			string::size_type pos = *currentPos;

			parser.check <one_char <'('> >(line, &pos);

			while (!parser.check <one_char <')'> >(line, &pos, true))
			{
				m_flags.push_back(parser.get <flag>(line, &pos));
				parser.check <SPACE>(line, &pos, true);
			}

			*currentPos = pos;
		}

	private:

		std::vector <flag*> m_flags;

	public:

		const std::vector <flag*>& flags() const { return (m_flags); }
	};


	//
	// mailbox ::= "INBOX" / astring
	//             ;; INBOX is case-insensitive.  All case variants of
	//             ;; INBOX (e.g. "iNbOx") MUST be interpreted as INBOX
	//             ;; not as an astring.  Refer to section 5.1 for
	//             ;; further semantic details of mailbox names.
	//

	class mailbox : public component
	{
	public:

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("mailbox");

			string::size_type pos = *currentPos;

			if (parser.checkWithArg <special_atom>(line, &pos, "inbox", true))
			{
				m_type = INBOX;
				m_name = "INBOX";
			}
			else
			{
				m_type = OTHER;

				astring* astr = parser.get <astring>(line, &pos);
				m_name = astr->value();
				delete (astr);
			}

			*currentPos = pos;
		}


		enum Type
		{
			INBOX,
			OTHER
		};

	private:

		Type m_type;
		string m_name;

	public:

		Type type() const { return (m_type); }
		const string& name() const { return (m_name); }
	};


	//
	// mailbox_flag := "\Marked" / "\Noinferiors" /
	//                 "\Noselect" / "\Unmarked" / flag_extension
	//

	class mailbox_flag : public component
	{
	public:

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("mailbox_flag");

			string::size_type pos = *currentPos;

			if (parser.check <one_char <'\\'> >(line, &pos, true))
			{
				atom* at = parser.get <atom>(line, &pos);
				const string name = utility::stringUtils::toLower(at->value());
				delete (at);

				if (name == "marked")
					m_type = MARKED;
				else if (name == "noinferiors")
					m_type = NOINFERIORS;
				else if (name == "noselect")
					m_type = NOSELECT;
				else if (name == "unmarked")
					m_type = UNMARKED;
				else
				{
					m_type = UNKNOWN;
					m_name = "\\" + name;
				}
			}
			else
			{
				atom* at = parser.get <atom>(line, &pos);
				const string name = utility::stringUtils::toLower(at->value());
				delete (at);

				m_type = UNKNOWN;
				m_name = name;
			}

			*currentPos = pos;
		}


		enum Type
		{
			UNKNOWN,
			MARKED,
			NOINFERIORS,
			NOSELECT,
			UNMARKED
		};

	private:

		Type m_type;
		string m_name;

	public:

		Type type() const { return (m_type); }
		const string& name() const { return (m_name); }
	};


	//
	// mailbox_flag_list ::= "(" #(mailbox_flag) ")"
	//

	class mailbox_flag_list : public component
	{
	public:

		~mailbox_flag_list()
		{
			for (std::vector <mailbox_flag*>::iterator it = m_flags.begin() ;
			     it != m_flags.end() ; ++it)
			{
				delete (*it);
			}
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("mailbox_flag_list");

			string::size_type pos = *currentPos;

			parser.check <one_char <'('> >(line, &pos);

			while (!parser.check <one_char <')'> >(line, &pos, true))
			{
				m_flags.push_back(parser.get <mailbox_flag>(line, &pos));
				parser.check <SPACE>(line, &pos, true);
			}

			*currentPos = pos;
		}

	private:

		std::vector <mailbox_flag*> m_flags;

	public:

		const std::vector <mailbox_flag*>& flags() const { return (m_flags); }
	};


	//
	// mailbox_list ::= mailbox_flag_list SPACE
	//                  (<"> QUOTED_CHAR <"> / nil) SPACE mailbox
	//

	class mailbox_list : public component
	{
	public:

		mailbox_list()
			: m_mailbox_flag_list(NULL),
			  m_mailbox(NULL), m_quoted_char('\0')
		{
		}

		~mailbox_list()
		{
			delete (m_mailbox_flag_list);
			delete (m_mailbox);
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("mailbox_list");

			string::size_type pos = *currentPos;

			m_mailbox_flag_list = parser.get <IMAPParser::mailbox_flag_list>(line, &pos);

			parser.check <SPACE>(line, &pos);

			if (!parser.check <NIL>(line, &pos, true))
			{
				parser.check <one_char <'"'> >(line, &pos);

				QUOTED_CHAR* qc = parser.get <QUOTED_CHAR>(line, &pos);
				m_quoted_char = qc->value();
				delete (qc);

				parser.check <one_char <'"'> >(line, &pos);
			}

			parser.check <SPACE>(line, &pos);

			m_mailbox = parser.get <IMAPParser::mailbox>(line, &pos);

			*currentPos = pos;
		}

	private:

		IMAPParser::mailbox_flag_list* m_mailbox_flag_list;
		IMAPParser::mailbox* m_mailbox;
		char m_quoted_char;

	public:

		const IMAPParser::mailbox_flag_list* mailbox_flag_list() const { return (m_mailbox_flag_list); }
		const IMAPParser::mailbox* mailbox() const { return (m_mailbox); }
		char quoted_char() const { return (m_quoted_char); }
	};


	//
	// resp_text_code ::= "ALERT" / "PARSE" /
	//                    "PERMANENTFLAGS" SPACE "(" #(flag / "\*") ")" /
	//                    "READ-ONLY" / "READ-WRITE" / "TRYCREATE" /
	//                    "UIDVALIDITY" SPACE nz_number /
	//                    "UNSEEN" SPACE nz_number /
	//                    atom [SPACE 1*<any TEXT_CHAR except "]">]

	class resp_text_code : public component
	{
	public:

		resp_text_code()
			: m_nz_number(NULL), m_atom(NULL), m_flag_list(NULL), m_text(NULL)
		{
		}

		~resp_text_code()
		{
			delete (m_nz_number);
			delete (m_atom);
			delete (m_flag_list);
			delete (m_text);
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("resp_text_code");

			string::size_type pos = *currentPos;

			// "ALERT"
			if (parser.checkWithArg <special_atom>(line, &pos, "alert", true))
			{
				m_type = ALERT;
			}
			// "PARSE"
			else if (parser.checkWithArg <special_atom>(line, &pos, "parse", true))
			{
				m_type = PARSE;
			}
			// "PERMANENTFLAGS" SPACE flag_list
			else if (parser.checkWithArg <special_atom>(line, &pos, "permanentflags", true))
			{
				m_type = PERMANENTFLAGS;

				parser.check <SPACE>(line, &pos);

				m_flag_list = parser.get <IMAPParser::flag_list>(line, &pos);
			}
			// "READ-ONLY"
			else if (parser.checkWithArg <special_atom>(line, &pos, "read-only", true))
			{
				m_type = READ_ONLY;
			}
			// "READ-WRITE"
			else if (parser.checkWithArg <special_atom>(line, &pos, "read-write", true))
			{
				m_type = READ_WRITE;
			}
			// "TRYCREATE"
			else if (parser.checkWithArg <special_atom>(line, &pos, "trycreate", true))
			{
				m_type = TRYCREATE;
			}
			// "UIDVALIDITY" SPACE nz_number
			else if (parser.checkWithArg <special_atom>(line, &pos, "uidvalidity", true))
			{
				m_type = UIDVALIDITY;

				parser.check <SPACE>(line, &pos);
				m_nz_number = parser.get <IMAPParser::nz_number>(line, &pos);
			}
			// "UNSEEN" SPACE nz_number
			else if (parser.checkWithArg <special_atom>(line, &pos, "unseen", true))
			{
				m_type = UNSEEN;

				parser.check <SPACE>(line, &pos);
				m_nz_number = parser.get <IMAPParser::nz_number>(line, &pos);
			}
			// atom [SPACE 1*<any TEXT_CHAR except "]">]
			else
			{
				m_type = OTHER;

				m_atom = parser.get <IMAPParser::atom>(line, &pos);

				if (parser.check <SPACE>(line, &pos, true))
					m_text = parser.get <text_except <']'> >(line, &pos);
			}

			*currentPos = pos;
		}


		enum Type
		{
			ALERT,
			PARSE,
			PERMANENTFLAGS,
			READ_ONLY,
			READ_WRITE,
			TRYCREATE,
			UIDVALIDITY,
			UNSEEN,
			OTHER
		};

	private:

		Type m_type;

		IMAPParser::nz_number* m_nz_number;
		IMAPParser::atom* m_atom;
		IMAPParser::flag_list* m_flag_list;
		IMAPParser::text* m_text;

	public:

		Type type() const { return (m_type); }

		const IMAPParser::nz_number* nz_number() const { return (m_nz_number); }
		const IMAPParser::atom* atom() const { return (m_atom); }
		const IMAPParser::flag_list* flag_list() const { return (m_flag_list); }
		const IMAPParser::text* text() const { return (m_text); }
	};


	//
	// resp_text ::= ["[" resp_text_code "]" SPACE] (text_mime2 / text)
	//               ;; text SHOULD NOT begin with "[" or "="

	class resp_text : public component
	{
	public:

		resp_text()
			: m_resp_text_code(NULL)
		{
		}

		~resp_text()
		{
			delete (m_resp_text_code);
		}

		void go(IMAPParser& parser, string& line, string::size_type* currentPos)
		{
			DEBUG_ENTER_COMPONENT("resp_text");

			string::size_type pos = *currentPos;

			if (parser.check <one_char <'['> >(line, &pos, true))
			{
				m_resp_text_code = parser.get <IMAPParser::resp_text_code>(line, &pos);

				parser.check <one_char <']'> >(line, &pos);
				parser.check <SPACE>(line, &pos, true);
			}

			text_mime2* text1 = parser.get <text_mime2>(line, &pos, true);

			if (text1 != NULL)
			{
				m_text = text1->value();
				delete (text1);
			}
			else
			{
				IMAPParser::text* text2 =
					parser.get <IMAPParser::text>(line, &pos, true);

				if (text2 != NULL)
				{
					m_text = text2->value();
					delete (text2);
				}
				else
				{
					// Empty response text
				}
			}

			*currentPos = pos;
		}

	private:

		IMAPParser::resp_text_code* m_resp_text_code;
		string m_text;

	public:

		const IMAPParser::resp_text_code* resp_text_code() const { return (m_resp_text_code); }
		const string& text() const { return (m_text); }
	};


	//
	// continue_req   ::= "+" SPACE (resp_text / base64)
	//

	class continue_req : public component
	{
	public:

		continue_req()
			: m_resp_text(NULL)
		{
		}