1 enum
2 {
3 	FlagJunk = 1<<0,
4 	FlagNonJunk = 1<<1,
5 	FlagReplied = 1<<2,
6 	FlagFlagged = 1<<3,
7 	FlagDeleted = 1<<4,
8 	FlagDraft = 1<<5,
9 	FlagSeen = 1<<6,
10 	FlagNoInferiors = 1<<7,
11 	FlagMarked = 1<<8,
12 	FlagNoSelect = 1<<9,
13 	FlagUnMarked = 1<<10,
14 	FlagRecent = 1<<11
15 };
16 
17 typedef struct Box Box;
18 typedef struct Hdr Hdr;
19 typedef struct Msg Msg;
20 typedef struct Part Part;
21 
22 struct Box
23 {
24 	char*	name;		/* name of mailbox */
25 	char*	elem;		/* last element in name */
26 	uint		ix;			/* index in box[] array */
27 	uint		id;			/* id shown in file system */
28 	uint		flags;		/* FlagNoInferiors, etc. */
29 	uint		time;			/* last update time */
30 	uint		msgid;		/* last message id used */
31 
32 	Msg**	msg;			/* array of messages (can have nils) */
33 	uint		nmsg;
34 
35 	char*	imapname;	/* name on IMAP server */
36 	u32int	validity;		/* IMAP validity number */
37 	uint		uidnext;		/* IMAP expected next uid */
38 	uint		recent;		/* IMAP first recent message */
39 	uint		exists;		/* IMAP last message in box */
40 	uint		maxseen;		/* maximum IMAP uid seen */
41 	int		mark;
42 	uint		imapinit;		/* up-to-date w.r.t. IMAP */
43 
44 	Box*		parent;		/* in tree */
45 	Box**	sub;
46 	uint		nsub;
47 };
48 
49 struct Hdr
50 {
51 	/* LATER: store date as int, reformat for programs */
52 	/* order known by fs.c */
53 	char*	date;
54 	char*	subject;
55 	char*	from;
56 	char*	sender;
57 	char*	replyto;
58 	char*	to;
59 	char*	cc;
60 	char*	bcc;
61 	char*	inreplyto;
62 	char*	messageid;
63 	char*	digest;
64 };
65 
66 struct Msg
67 {
68 	Box*		box;			/* mailbox containing msg */
69 	uint		ix;			/* index in box->msg[] array */
70 	uint		id;			/* id shown in file system */
71 	uint		imapuid;		/* IMAP uid */
72 	uint		imapid;		/* IMAP id */
73 	uint		flags;		/* FlagDeleted etc. */
74 	uint		date;			/* smtp envelope date */
75 	uint		size;
76 
77 	Part**	part;			/* message subparts - part[0] is root */
78 	uint		npart;
79 };
80 
81 struct Part
82 {
83 	Msg*	msg;			/* msg containing part */
84 	uint		ix;			/* index in msg->part[] */
85 	uint		pix;			/* id in parent->sub[] */
86 	Part*		parent;		/* parent in structure */
87 	Part**	sub;			/* children in structure */
88 	uint		nsub;
89 
90 	/* order known by fs.c */
91 	char*	type;	/* e.g., "text/plain" */
92 	char*	idstr;
93 	char*	desc;
94 	char*	encoding;
95 	char*	charset;
96 	char*	filename;
97 	char*	raw;
98 	char*	rawheader;
99 	char*	rawbody;
100 	char*	mimeheader;
101 
102 	/* order known by fs.c */
103 	uint		size;
104 	uint		lines;
105 
106 	char*	body;
107 	uint		nbody;
108 	Hdr*		hdr;			/* RFC822 envelope for message/rfc822 */
109 };
110 
111 void		boxinit(void);
112 Box*		boxbyname(char*);
113 Box*		boxbyid(uint);
114 Box*		boxcreate(char*);
115 void		boxfree(Box*);
116 Box*		subbox(Box*, char*);
117 Msg*	msgcreate(Box*);
118 Part*	partcreate(Msg*, Part*);
119 
120 void		hdrfree(Hdr*);
121 
122 Msg*	msgbyid(Box*, uint);
123 Msg*	msgbyimapuid(Box*, uint, int);
124 void		msgfree(Msg*);
125 void		msgplumb(Msg*, int);
126 
127 Part*		partbyid(Msg*, uint);
128 Part*		subpart(Part*, uint);
129 void			partfree(Part*);
130 
131 extern	Box**	boxes;
132 extern	uint		nboxes;
133 
134 extern	Box*		rootbox;