pith/mailview.h

   1 /*
   2  * $Id: mailview.h 1074 2008-06-04 00:08:43Z hubert@u.washington.edu $
   3  *
   4  * ========================================================================
   5  * Copyright 2006-2008 University of Washington
   6  * Copyright 2013-2017 Eduardo Chappa
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *     http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * ========================================================================
  15  */
  16
  17 #ifndef PITH_MAILVIEW_INCLUDED
  18 #define PITH_MAILVIEW_INCLUDED
  19
  20
  21 #include "../pith/store.h"
  22 #include "../pith/handle.h"
  23 #include "../pith/bitmap.h"
  24 #include "../pith/helptext.h"
  25 #include "../pith/msgno.h"
  26 #include "../pith/filttype.h"
  27 #include "../pith/pattern.h"
  28 #include "../pith/state.h"
  29 #include "../pith/charset.h"
  30 #include "../pith/color.h"
  31
  32
  33 /* format_message flags */
  34 #define FM_DISPLAY        0x0001        /* result is headed for display         */
  35 #define FM_NEW_MESS       0x0002        /* a new message so zero out attachment descrip */
  36 #define FM_NOWRAP         0x0008        /* no wrapping done                     */
  37 #define FM_NOCOLOR        0x0010        /* no color added                       */
  38 #define FM_NOINDENT       0x0020        /* no indents, but only works has effect if wrapping */
  39 #define FM_NOEDITORIAL    0x0040        /* no editorial comments                */
  40 #define FM_NOHTMLREL      0x0200        /* no relative links                    */
  41 #define FM_HTMLRELATED    0x0400        /* allow multi/related                  */
  42 #define FM_FORCEPREFPLN   0x0800        /* force prefer-plain this time         */
  43 #define FM_FORCENOPREFPLN 0x1000        /* force not prefer-plain this time     */
  44 #define FM_HIDESERVER     0x2000        /* HIDE servername after active HTML links */
  45 #define FM_HTML           0x4000        /* filter/preserve HTML markup          */
  46 #define FM_HTMLIMAGES     0x8000        /* filter/preserve HTML IMG tags        */
  47
  48
  49 #define SIGDASHES       "-- "
  50 #define START_SIG_BLOCK 2
  51 #define IN_SIG_BLOCK    1
  52 #define OUT_SIG_BLOCK   0
  53
  54
  55 /*
  56  * Which header fields should format_envelope output?
  57  */
  58 #define FE_FROM         0x0001
  59 #define FE_SENDER       0x0002
  60 #define FE_DATE         0x0004
  61 #define FE_TO           0x0008
  62 #define FE_CC           0x0010
  63 #define FE_BCC          0x0020
  64 #define FE_NEWSGROUPS   0x0040
  65 #define FE_SUBJECT      0x0080
  66 #define FE_MESSAGEID    0x0100
  67 #define FE_REPLYTO      0x0200
  68 #define FE_FOLLOWUPTO   0x0400
  69 #define FE_INREPLYTO    0x0800
  70 #define FE_RETURNPATH   0x1000
  71 #define FE_REFERENCES   0x2000
  72 #define FE_DEFAULT      (FE_FROM | FE_DATE | FE_TO | FE_CC | FE_BCC \
  73                          | FE_NEWSGROUPS | FE_SUBJECT | FE_REPLYTO \
  74                          | FE_FOLLOWUPTO)
  75
  76
  77 /*
  78  * Function to format
  79  */
  80 typedef void (*fmt_env_t)(MAILSTREAM *, long int, char *, ENVELOPE *, gf_io_t, long int, char *, int);
  81
  82 /*
  83  * Structure and macros to help control format_header_text
  84  */
  85 typedef struct header_s {
  86     unsigned type:4;
  87     unsigned except:1;
  88     union {
  89         char **l;               /* list of char *'s */
  90         long   b;               /* bit field of header fields (FE_* above) */
  91     } h;
  92     char charset[CSET_MAX];
  93 } HEADER_S;
  94
  95
  96 /*
  97  * Macro's to help sort out how we display MIME types
  98  */
  99 #define MCD_NONE        0x00
 100 #define MCD_INTERNAL    0x01
 101 #define MCD_EXTERNAL    0x02
 102 #define MCD_EXT_PROMPT  0x04
 103
 104
 105 #define HD_LIST         1
 106 #define HD_BFIELD       2
 107 #define HD_INIT(H, L, E, B)     {                                       \
 108                                     if((L) && (L)[0]){                  \
 109                                       (H)->type = HD_LIST;              \
 110                                       (H)->except = (E);                \
 111                                       (H)->h.l = (L);                   \
 112                                   }                                     \
 113                                   else{                                 \
 114                                       (H)->type = HD_BFIELD;            \
 115                                       (H)->h.b = (B);                   \
 116                                       (H)->except = 0;                  \
 117                                   }                                     \
 118                                   (H)->charset[0] = '\0';               \
 119                                 }
 120
 121
 122 /* exported protoypes */
 123 int      format_message(long, ENVELOPE *, BODY *, HANDLE_S **, int, gf_io_t);
 124 int      format_attachment_list(long int, BODY *, HANDLE_S **, int, int, gf_io_t);
 125 char    *format_body(long int, BODY *, HANDLE_S **, HEADER_S *, int, int, gf_io_t);
 126 int      url_hilite(long, char *, LT_INS_S **, void *);
 127 int      handle_start_color(char *, size_t, int *, int);
 128 int      handle_end_color(char *, size_t, int *);
 129
 130 /*
 131  * BUG:  BELOW IS UNIX/PC ONLY since config'd browser means nothing to webpine
 132  */
 133
 134 int         url_external_specific_handler(char *, int);
 135 int         url_imap_folder(char *, char **, imapuid_t *, imapuid_t *, char **, int);
 136 int         url_bogus(char *, char *);
 137 void        pine_rfc822_address(ADDRESS *, gf_io_t);
 138 void        pine_rfc822_cat(char *, const char *, gf_io_t);
 139 int         format_header(MAILSTREAM *, long, char *, ENVELOPE *, HEADER_S *,
 140                           char *, HANDLE_S **, int,  fmt_env_t, gf_io_t);
 141 COLOR_PAIR *hdr_color(char *, char *, SPEC_COLOR_S *);
 142 char       *display_parameters(PARAMETER *);
 143 char       *pine_fetch_header(MAILSTREAM *, long, char *, char **, long);
 144 int         color_signature(long, char *, LT_INS_S **, void *);
 145 int         scroll_handle_start_color(char *, size_t, int *);
 146 int         scroll_handle_end_color(char *, size_t, int *, int);
 147 int         width_at_this_position(unsigned char *, unsigned long);
 148
 149 /* currently mandatory to implement stubs */
 150
 151 /* this is used in rfc2369_editorial() in format_message() */
 152 void       rfc2369_display(MAILSTREAM *, MSGNO_S *, long);
 153
 154
 155 #endif /* PITH_MAILVIEW_INCLUDED */