diplodocus.org Git - nmh/blob - uip/ap.c

   1 /* ap.c -- parse addresses 822-style
   2  *
   3  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   4  * COPYRIGHT file in the root directory of the nmh distribution for
   5  * complete copyright information.
   6  */
   7
   8 #include "h/mh.h"
   9 #include "sbr/print_version.h"
  10 #include "sbr/print_help.h"
  11 #include "sbr/error.h"
  12 #include "h/addrsbr.h"
  13 #include "h/fmt_scan.h"
  14 #include "h/mts.h"
  15 #include "h/done.h"
  16 #include "h/utils.h"
  17 #include "sbr/terminal.h"
  18
  19 #define NADDRS  100
  20
  21 #define WIDTH   78
  22
  23 #define FORMAT  "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  24
  25 #define AP_SWITCHES \
  26     X("form formatfile", 0, FORMSW) \
  27     X("format string", 5, FMTSW) \
  28     X("width columns", 0, WIDTHSW) \
  29     X("version", 0, VERSIONSW) \
  30     X("help", 0, HELPSW) \
  31
  32 #define X(sw, minchars, id) id,
  33 DEFINE_SWITCH_ENUM(AP);
  34 #undef X
  35
  36 #define X(sw, minchars, id) { sw, minchars, id },
  37 DEFINE_SWITCH_ARRAY(AP, switches);
  38 #undef X
  39
  40 static struct format *fmt;
  41
  42 static int dat[5];
  43
  44 /*
  45  * static prototypes
  46  */
  47 static int process (char *, int);
  48
  49
  50 int
  51 main (int argc, char **argv)
  52 {
  53     int addrp = 0;
  54     int width = -1, status = 0;
  55     char *cp, *form = NULL, *format = NULL, *nfs;
  56     char buf[BUFSIZ], **argp;
  57     char *addrs[NADDRS + 1]; /* Includes terminating NULL. */
  58
  59     if (nmh_init(argv[0], true, false)) { return 1; }
  60
  61     mts_init ();
  62
  63     argp = getarguments (invo_name, argc, argv, 1);
  64     while ((cp = *argp++)) {
  65         if (*cp == '-') {
  66             switch (smatch (++cp, switches)) {
  67                 case AMBIGSW:
  68                     ambigsw (cp, switches);
  69                     done (1);
  70
  71                 case UNKWNSW:
  72                     die("-%s unknown", cp);
  73
  74                 case HELPSW:
  75                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  76                         invo_name);
  77                     print_help (buf, switches, 1);
  78                     done (0);
  79                 case VERSIONSW:
  80                     print_version (invo_name);
  81                     done (0);
  82
  83                 case FORMSW:
  84                     if (!(form = *argp++) || *form == '-')
  85                         die("missing argument to %s", argp[-2]);
  86                     format = NULL;
  87                     continue;
  88                 case FMTSW:
  89                     if (!(format = *argp++) || *format == '-')
  90                         die("missing argument to %s", argp[-2]);
  91                     form = NULL;
  92                     continue;
  93
  94                 case WIDTHSW:
  95                     if (!(cp = *argp++) || *cp == '-')
  96                         die("missing argument to %s", argp[-2]);
  97                     width = atoi (cp);
  98                     continue;
  99             }
 100         }
 101         if (addrp == NADDRS)
 102             die("more than %d addresses", NADDRS);
 103         addrs[addrp++] = cp;
 104     }
 105     addrs[addrp] = NULL;
 106
 107     if (addrp == 0)
 108         die("usage: %s [switches] addrs ...", invo_name);
 109
 110     /* get new format string */
 111     nfs = new_fs (form, format, FORMAT);
 112
 113     if (width == -1) {
 114         if ((width = sc_width ()) < WIDTH / 2) {
 115             /* Default:  width of the terminal, but at least WIDTH/2. */
 116             width = WIDTH / 2;
 117         }
 118         width -= 2;
 119     } else if (width == 0) {
 120         /* Unlimited width.  */
 121         width = INT_MAX;
 122     }
 123     fmt_compile (nfs, &fmt, 1);
 124
 125     dat[0] = 0;
 126     dat[1] = 0;
 127     dat[2] = 0;
 128     dat[3] = width;
 129     dat[4] = 0;
 130
 131     for (addrp = 0; addrs[addrp]; addrp++)
 132         status += process (addrs[addrp], width);
 133
 134     fmt_free (fmt, 1);
 135     done(!!status);
 136     return 1;
 137 }
 138
 139 struct pqpair {
 140     char *pq_text;
 141     char *pq_error;
 142     struct pqpair *pq_next;
 143 };
 144
 145
 146 static int
 147 process (char *arg, int length)
 148 {
 149     int status = 0;
 150     char *cp;
 151     char error[BUFSIZ];
 152     struct comp *cptr;
 153     struct pqpair *p, *q;
 154     struct pqpair pq;
 155     struct mailname *mp;
 156
 157     (q = &pq)->pq_next = NULL;
 158     while ((cp = getname (arg))) {
 159         NEW0(p);
 160         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
 161             p->pq_text = mh_xstrdup(cp);
 162             p->pq_error = mh_xstrdup(error);
 163             status++;
 164         }
 165         else {
 166             p->pq_text = getcpy (mp->m_text);
 167             mnfree (mp);
 168         }
 169         q = (q->pq_next = p);
 170     }
 171
 172     for (p = pq.pq_next; p; p = q) {
 173         charstring_t scanl =
 174             charstring_create (length < NMH_BUFSIZ ? length : NMH_BUFSIZ);
 175
 176         cptr = fmt_findcomp ("text");
 177         if (cptr) {
 178             free(cptr->c_text);
 179             cptr->c_text = p->pq_text;
 180             p->pq_text = NULL;
 181         }
 182         cptr = fmt_findcomp ("error");
 183         if (cptr) {
 184             free(cptr->c_text);
 185             cptr->c_text = p->pq_error;
 186             p->pq_error = NULL;
 187         }
 188
 189         fmt_scan (fmt, scanl, length, dat, NULL);
 190         fputs (charstring_buffer (scanl), stdout);
 191         charstring_free (scanl);
 192
 193         free(p->pq_text);
 194         free(p->pq_error);
 195         q = p->pq_next;
 196         free(p);
 197     }
 198
 199     return status;
 200 }