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/ambigsw.h"
  10 #include "sbr/print_version.h"
  11 #include "sbr/print_help.h"
  12 #include "sbr/error.h"
  13 #include "h/addrsbr.h"
  14 #include "h/fmt_scan.h"
  15 #include "h/mts.h"
  16 #include "h/done.h"
  17 #include "h/utils.h"
  18 #include "sbr/terminal.h"
  19
  20 #define NADDRS  100
  21
  22 #define WIDTH   78
  23
  24 #define FORMAT  "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  25
  26 #define AP_SWITCHES \
  27     X("form formatfile", 0, FORMSW) \
  28     X("format string", 5, FMTSW) \
  29     X("width columns", 0, WIDTHSW) \
  30     X("version", 0, VERSIONSW) \
  31     X("help", 0, HELPSW) \
  32
  33 #define X(sw, minchars, id) id,
  34 DEFINE_SWITCH_ENUM(AP);
  35 #undef X
  36
  37 #define X(sw, minchars, id) { sw, minchars, id },
  38 DEFINE_SWITCH_ARRAY(AP, switches);
  39 #undef X
  40
  41 static struct format *fmt;
  42
  43 static int dat[5];
  44
  45 /*
  46  * static prototypes
  47  */
  48 static int process (char *, int);
  49
  50
  51 int
  52 main (int argc, char **argv)
  53 {
  54     int addrp = 0;
  55     int width = -1, status = 0;
  56     char *cp, *form = NULL, *format = NULL, *nfs;
  57     char buf[BUFSIZ], **argp;
  58     char *addrs[NADDRS + 1]; /* Includes terminating NULL. */
  59
  60     if (nmh_init(argv[0], true, false)) { return 1; }
  61
  62     mts_init ();
  63
  64     argp = getarguments (invo_name, argc, argv, 1);
  65     while ((cp = *argp++)) {
  66         if (*cp == '-') {
  67             switch (smatch (++cp, switches)) {
  68                 case AMBIGSW:
  69                     ambigsw (cp, switches);
  70                     done (1);
  71
  72                 case UNKWNSW:
  73                     die("-%s unknown", cp);
  74
  75                 case HELPSW:
  76                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  77                         invo_name);
  78                     print_help (buf, switches, 1);
  79                     done (0);
  80                 case VERSIONSW:
  81                     print_version (invo_name);
  82                     done (0);
  83
  84                 case FORMSW:
  85                     if (!(form = *argp++) || *form == '-')
  86                         die("missing argument to %s", argp[-2]);
  87                     format = NULL;
  88                     continue;
  89                 case FMTSW:
  90                     if (!(format = *argp++) || *format == '-')
  91                         die("missing argument to %s", argp[-2]);
  92                     form = NULL;
  93                     continue;
  94
  95                 case WIDTHSW:
  96                     if (!(cp = *argp++) || *cp == '-')
  97                         die("missing argument to %s", argp[-2]);
  98                     width = atoi (cp);
  99                     continue;
 100             }
 101         }
 102         if (addrp == NADDRS)
 103             die("more than %d addresses", NADDRS);
 104         addrs[addrp++] = cp;
 105     }
 106     addrs[addrp] = NULL;
 107
 108     if (addrp == 0)
 109         die("usage: %s [switches] addrs ...", invo_name);
 110
 111     /* get new format string */
 112     nfs = new_fs (form, format, FORMAT);
 113
 114     if (width == -1) {
 115         if ((width = sc_width ()) < WIDTH / 2) {
 116             /* Default:  width of the terminal, but at least WIDTH/2. */
 117             width = WIDTH / 2;
 118         }
 119         width -= 2;
 120     } else if (width == 0) {
 121         /* Unlimited width.  */
 122         width = INT_MAX;
 123     }
 124     fmt_compile (nfs, &fmt, 1);
 125
 126     dat[0] = 0;
 127     dat[1] = 0;
 128     dat[2] = 0;
 129     dat[3] = width;
 130     dat[4] = 0;
 131
 132     for (addrp = 0; addrs[addrp]; addrp++)
 133         status += process (addrs[addrp], width);
 134
 135     fmt_free (fmt, 1);
 136     done(!!status);
 137     return 1;
 138 }
 139
 140 struct pqpair {
 141     char *pq_text;
 142     char *pq_error;
 143     struct pqpair *pq_next;
 144 };
 145
 146
 147 static int
 148 process (char *arg, int length)
 149 {
 150     int status = 0;
 151     char *cp;
 152     char error[BUFSIZ];
 153     struct comp *cptr;
 154     struct pqpair *p, *q;
 155     struct pqpair pq;
 156     struct mailname *mp;
 157
 158     (q = &pq)->pq_next = NULL;
 159     while ((cp = getname (arg))) {
 160         NEW0(p);
 161         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
 162             p->pq_text = mh_xstrdup(cp);
 163             p->pq_error = mh_xstrdup(error);
 164             status++;
 165         }
 166         else {
 167             p->pq_text = getcpy (mp->m_text);
 168             mnfree (mp);
 169         }
 170         q = (q->pq_next = p);
 171     }
 172
 173     for (p = pq.pq_next; p; p = q) {
 174         charstring_t scanl =
 175             charstring_create (length < NMH_BUFSIZ ? length : NMH_BUFSIZ);
 176
 177         cptr = fmt_findcomp ("text");
 178         if (cptr) {
 179             free(cptr->c_text);
 180             cptr->c_text = p->pq_text;
 181             p->pq_text = NULL;
 182         }
 183         cptr = fmt_findcomp ("error");
 184         if (cptr) {
 185             free(cptr->c_text);
 186             cptr->c_text = p->pq_error;
 187             p->pq_error = NULL;
 188         }
 189
 190         fmt_scan (fmt, scanl, length, dat, NULL);
 191         fputs (charstring_buffer (scanl), stdout);
 192         charstring_free (scanl);
 193
 194         free(p->pq_text);
 195         free(p->pq_error);
 196         q = p->pq_next;
 197         free(p);
 198     }
 199
 200     return status;
 201 }