| 1 | /* |
| 2 | */ |
| 3 | #ifndef imaprefs_h |
| 4 | #define imaprefs_h |
| 5 | |
| 6 | /* |
| 7 | ** Copyright 2000-2003 Double Precision, Inc. |
| 8 | ** See COPYING for distribution information. |
| 9 | */ |
| 10 | |
| 11 | #if HAVE_CONFIG_H |
| 12 | #include "rfc822/config.h" |
| 13 | #endif |
| 14 | |
| 15 | #ifdef __cplusplus |
| 16 | extern "C" { |
| 17 | #endif |
| 18 | |
| 19 | /* |
| 20 | ** Implement REFERENCES threading. |
| 21 | */ |
| 22 | |
| 23 | /* The data structures */ |
| 24 | |
| 25 | struct imap_refmsg { |
| 26 | struct imap_refmsg *next, *last; /* Link list of all msgs */ |
| 27 | struct imap_refmsg *parent; /* my parent */ |
| 28 | struct imap_refmsg *firstchild, *lastchild; /* Children link list */ |
| 29 | struct imap_refmsg *prevsib, *nextsib; /* Link list of siblings */ |
| 30 | |
| 31 | char isdummy; /* this is a dummy node (for now) */ |
| 32 | char flag2; /* Additional flag */ |
| 33 | |
| 34 | char *msgid; /* msgid of this message */ |
| 35 | |
| 36 | char *subj; /* dynalloced subject of this msg */ |
| 37 | time_t timestamp; /* Timestamp */ |
| 38 | unsigned long seqnum; /* Sequence number */ |
| 39 | } ; |
| 40 | |
| 41 | struct imap_refmsgtable { |
| 42 | struct imap_refmsg *firstmsg, *lastmsg; /* Link list of all msgs */ |
| 43 | |
| 44 | /* hash table message id lookup */ |
| 45 | |
| 46 | struct imap_refmsghash *hashtable[512]; |
| 47 | |
| 48 | struct imap_subjlookup *subjtable[512]; |
| 49 | |
| 50 | struct imap_refmsg *rootptr; /* The root */ |
| 51 | } ; |
| 52 | |
| 53 | struct imap_refmsgtable *rfc822_threadalloc(void); |
| 54 | void rfc822_threadfree(struct imap_refmsgtable *); |
| 55 | struct imap_refmsg *rfc822_threadmsg(struct imap_refmsgtable *mt, |
| 56 | const char *msgidhdr, |
| 57 | const char *refhdr, |
| 58 | const char *subjheader, |
| 59 | |
| 60 | const char *dateheader, |
| 61 | time_t dateheader_tm, |
| 62 | /* Set one or other */ |
| 63 | |
| 64 | unsigned long seqnum); |
| 65 | |
| 66 | struct imap_refmsg *rfc822_threadmsgrefs(struct imap_refmsgtable *mt, |
| 67 | const char *msgid_s, |
| 68 | const char * const * msgidList, |
| 69 | const char *subjheader, |
| 70 | const char *dateheader, |
| 71 | time_t dateheader_tm, |
| 72 | unsigned long seqnum); |
| 73 | |
| 74 | struct imap_refmsg *rfc822_thread(struct imap_refmsgtable *mt); |
| 75 | |
| 76 | /* INTERNAL FUNCTIONS FOLLOW */ |
| 77 | |
| 78 | |
| 79 | struct imap_refmsghash { |
| 80 | struct imap_refmsghash *nexthash; |
| 81 | struct imap_refmsg *msg; |
| 82 | } ; |
| 83 | |
| 84 | struct imap_subjlookup { |
| 85 | struct imap_subjlookup *nextsubj; |
| 86 | char *subj; |
| 87 | struct imap_refmsg *msg; |
| 88 | int msgisrefwd; |
| 89 | } ; |
| 90 | |
| 91 | struct imap_refmsg *rfc822_threadallocmsg(struct imap_refmsgtable *mt, |
| 92 | const char *msgid); |
| 93 | void rfc822_threadprune(struct imap_refmsgtable *mt); |
| 94 | struct imap_refmsg *rfc822_threadgetroot(struct imap_refmsgtable *mt); |
| 95 | struct imap_refmsg *rfc822_threadsearchmsg(struct imap_refmsgtable *mt, |
| 96 | const char *msgid); |
| 97 | int rfc822_threadsortsubj(struct imap_refmsg *root); |
| 98 | int rfc822_threadgathersubj(struct imap_refmsgtable *mt, |
| 99 | struct imap_refmsg *root); |
| 100 | int rfc822_threadmergesubj(struct imap_refmsgtable *mt, |
| 101 | struct imap_refmsg *root); |
| 102 | int rfc822_threadsortbydate(struct imap_refmsgtable *mt); |
| 103 | |
| 104 | |
| 105 | #ifdef __cplusplus |
| 106 | } |
| 107 | #endif |
| 108 | |
| 109 | #endif |