libs/rfc822/imaprefs.h

   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