rfc822/imaprefs.h

   1 /*
   2 ** $Id: imaprefs.h,v 1.4 2003/07/09 21:33:20 mrsam Exp $
   3 */
   4 #ifndef imaprefs_h
   5 #define imaprefs_h
   6
   7 /*
   8 ** Copyright 2000-2003 Double Precision, Inc.
   9 ** See COPYING for distribution information.
  10 */
  11
  12 #if     HAVE_CONFIG_H
  13 #include        "config.h"
  14 #endif
  15
  16 #ifdef  __cplusplus
  17 extern "C" {
  18 #endif
  19
  20 /*
  21 ** Implement REFERENCES threading.
  22 */
  23
  24 /* The data structures */
  25
  26 struct imap_refmsg {
  27         struct imap_refmsg *next, *last;        /* Link list of all msgs */
  28         struct imap_refmsg *parent;             /* my parent */
  29         struct imap_refmsg *firstchild, *lastchild; /* Children link list */
  30         struct imap_refmsg *prevsib, *nextsib;  /* Link list of siblings */
  31
  32         char isdummy;                   /* this is a dummy node (for now) */
  33         char flag2;                     /* Additional flag */
  34
  35         char *msgid;                    /* msgid of this message */
  36
  37         char *subj;                     /* dynalloced subject of this msg */
  38         time_t timestamp;               /* Timestamp */
  39         unsigned long seqnum;           /* Sequence number */
  40 } ;
  41
  42 struct imap_refmsgtable {
  43         struct imap_refmsg *firstmsg, *lastmsg; /* Link list of all msgs */
  44
  45         /* hash table message id lookup */
  46
  47         struct imap_refmsghash *hashtable[512];
  48
  49         struct imap_subjlookup *subjtable[512];
  50
  51         struct imap_refmsg *rootptr;            /* The root */
  52 } ;
  53
  54 struct imap_refmsgtable *rfc822_threadalloc(void);
  55 void rfc822_threadfree(struct imap_refmsgtable *);
  56 struct imap_refmsg *rfc822_threadmsg(struct imap_refmsgtable *mt,
  57                                      const char *msgidhdr,
  58                                      const char *refhdr,
  59                                      const char *subjheader,
  60
  61                                      const char *dateheader,
  62                                      time_t dateheader_tm,
  63                                      /* Set one or other */
  64
  65                                      unsigned long seqnum);
  66
  67 struct imap_refmsg *rfc822_threadmsgrefs(struct imap_refmsgtable *mt,
  68                                          const char *msgid_s,
  69                                          const char * const * msgidList,
  70                                          const char *subjheader,
  71                                          const char *dateheader,
  72                                          time_t dateheader_tm,
  73                                          unsigned long seqnum);
  74
  75 struct imap_refmsg *rfc822_thread(struct imap_refmsgtable *mt);
  76
  77         /* INTERNAL FUNCTIONS FOLLOW */
  78
  79
  80 struct imap_refmsghash {
  81         struct imap_refmsghash *nexthash;
  82         struct imap_refmsg *msg;
  83 } ;
  84
  85 struct imap_subjlookup {
  86         struct imap_subjlookup *nextsubj;
  87         char *subj;
  88         struct imap_refmsg *msg;
  89         int msgisrefwd;
  90 } ;
  91
  92 struct imap_refmsg *rfc822_threadallocmsg(struct imap_refmsgtable *mt,
  93                                           const char *msgid);
  94 void rfc822_threadprune(struct imap_refmsgtable *mt);
  95 struct imap_refmsg *rfc822_threadgetroot(struct imap_refmsgtable *mt);
  96 struct imap_refmsg *rfc822_threadsearchmsg(struct imap_refmsgtable *mt,
  97                                            const char *msgid);
  98 int rfc822_threadsortsubj(struct imap_refmsg *root);
  99 int rfc822_threadgathersubj(struct imap_refmsgtable *mt,
 100                           struct imap_refmsg *root);
 101 int rfc822_threadmergesubj(struct imap_refmsgtable *mt,
 102                            struct imap_refmsg *root);
 103 int rfc822_threadsortbydate(struct imap_refmsgtable *mt);
 104
 105
 106 #ifdef  __cplusplus
 107 }
 108 #endif
 109
 110 #endif