imap-based new upas/fs

src/cmd/upas/nfs/box.h

@@ -0,0 +1,133 @@
+enum
+{
+	FlagJunk = 1<<0,
+	FlagNonJunk = 1<<1,
+	FlagReplied = 1<<2,
+	FlagFlagged = 1<<3,
+	FlagDeleted = 1<<4,
+	FlagDraft = 1<<5,
+	FlagSeen = 1<<6,
+	FlagNoInferiors = 1<<7,
+	FlagMarked = 1<<8,
+	FlagNoSelect = 1<<9,
+	FlagUnMarked = 1<<10,
+};
+
+typedef struct Box Box;
+typedef struct Hdr Hdr;
+typedef struct Msg Msg;
+typedef struct Part Part;
+
+struct Box
+{
+	char*	name;		/* name of mailbox */
+	char*	elem;		/* last element in name */
+	uint		ix;			/* index in box[] array */
+	uint		id;			/* id shown in file system */
+	uint		flags;		/* FlagNoInferiors, etc. */
+	uint		time;			/* last update time */
+	uint		msgid;		/* last message id used */
+
+	Msg**	msg;			/* array of messages (can have nils) */
+	uint		nmsg;
+	
+	char*	imapname;	/* name on IMAP server */
+	u32int	validity;		/* IMAP validity number */
+	uint		uidnext;		/* IMAP expected next uid */
+	uint		recent;		/* IMAP first recent message */
+	uint		exists;		/* IMAP last message in box */
+	uint		maxseen;		/* maximum IMAP uid seen */
+	int		mark;
+	uint		imapinit;		/* up-to-date w.r.t. IMAP */
+
+	Box*		parent;		/* in tree */
+	Box**	sub;
+	uint		nsub;
+};
+
+struct Hdr
+{
+	/* LATER: store date as int, reformat for programs */
+	/* order known by fs.c */
+	char*	date;
+	char*	subject;
+	char*	from;
+	char*	sender;
+	char*	replyto;
+	char*	to;
+	char*	cc;
+	char*	bcc;
+	char*	inreplyto;
+	char*	messageid;
+	char*	digest;
+};
+
+struct Msg
+{
+	Box*		box;			/* mailbox containing msg */
+	uint		ix;			/* index in box->msg[] array */
+	uint		id;			/* id shown in file system */
+	uint		imapuid;		/* IMAP uid */
+	uint		imapid;		/* IMAP id */
+	uint		flags;		/* FlagDeleted etc. */
+	uint		date;			/* smtp envelope date */
+	uint		size;
+	
+	Part**	part;			/* message subparts - part[0] is root */
+	uint		npart;
+};
+
+struct Part
+{
+	Msg*	msg;			/* msg containing part */
+	uint		ix;			/* index in msg->part[] */
+	uint		pix;			/* id in parent->sub[] */
+	Part*		parent;		/* parent in structure */
+	Part**	sub;			/* children in structure */
+	uint		nsub;
+
+	/* order known by fs.c */
+	char*	type;	/* e.g., "text/plain" */
+	char*	idstr;
+	char*	desc;
+	char*	encoding;
+	char*	charset;
+	char*	raw;
+	char*	rawheader;
+	char*	rawbody;
+	char*	mimeheader;
+
+	/* order known by fs.c */
+	uint		size;
+	uint		lines;
+
+	char*	body;
+	uint		nbody;
+	Hdr*		hdr;			/* RFC822 envelope for message/rfc822 */
+};
+
+void		boxinit(void);
+Box*		boxbyname(char*);
+Box*		boxbyid(uint);
+Box*		boxcreate(char*);
+void		boxfree(Box*);
+Box*		subbox(Box*, char*);
+Msg*	msgcreate(Box*);
+Part*	partcreate(Msg*, Part*);
+
+void		hdrfree(Hdr*);
+
+Msg*	msgbyid(Box*, uint);
+Msg*	msgbyimapuid(Box*, uint, int);
+void		msgfree(Msg*);
+void		msgplumb(Msg*, int);
+
+Part*		partbyid(Msg*, uint);
+Part*		subpart(Part*, uint);
+void			partfree(Part*);
+
+extern	Box**	boxes;
+extern	uint		nboxes;
+
+extern	Box*		rootbox;
+