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/getcpy.h"
  10 #include "sbr/ambigsw.h"
  11 #include "sbr/print_version.h"
  12 #include "sbr/print_help.h"
  13 #include "sbr/error.h"
  14 #include "h/addrsbr.h"
  15 #include "h/fmt_scan.h"
  16 #include "h/mts.h"
  17 #include "h/done.h"
  18 #include "h/utils.h"
  19 #include "sbr/terminal.h"
  20
  21 #define NADDRS  100
  22
  23 #define WIDTH   78
  24
  25 #define FORMAT  "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  26
  27 #define AP_SWITCHES \
  28     X("form formatfile", 0, FORMSW) \
  29     X("format string", 5, FMTSW) \
  30     X("width columns", 0, WIDTHSW) \
  31     X("version", 0, VERSIONSW) \
  32     X("help", 0, HELPSW) \
  33
  34 #define X(sw, minchars, id) id,
  35 DEFINE_SWITCH_ENUM(AP);
  36 #undef X
  37
  38 #define X(sw, minchars, id) { sw, minchars, id },
  39 DEFINE_SWITCH_ARRAY(AP, switches);
  40 #undef X
  41
  42 static struct format *fmt;
  43
  44 static int dat[5];
  45
  46 /*
  47  * static prototypes
  48  */
  49 static int process (char *, int);
  50
  51
  52 int
  53 main (int argc, char **argv)
  54 {
  55     int addrp = 0;
  56     int width = -1, status = 0;
  57     char *cp, *form = NULL, *format = NULL, *nfs;
  58     char buf[BUFSIZ], **argp;
  59     char *addrs[NADDRS + 1]; /* Includes terminating NULL. */
  60
  61     if (nmh_init(argv[0], true, false)) { return 1; }
  62
  63     mts_init ();
  64
  65     argp = getarguments (invo_name, argc, argv, 1);
  66     while ((cp = *argp++)) {
  67         if (*cp == '-') {
  68             switch (smatch (++cp, switches)) {
  69                 case AMBIGSW:
  70                     ambigsw (cp, switches);
  71                     done (1);
  72
  73                 case UNKWNSW:
  74                     die("-%s unknown", cp);
  75
  76                 case HELPSW:
  77                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  78                         invo_name);
  79                     print_help (buf, switches, 1);
  80                     done (0);
  81                 case VERSIONSW:
  82                     print_version (invo_name);
  83                     done (0);
  84
  85                 case FORMSW:
  86                     if (!(form = *argp++) || *form == '-')
  87                         die("missing argument to %s", argp[-2]);
  88                     format = NULL;
  89                     continue;
  90                 case FMTSW:
  91                     if (!(format = *argp++) || *format == '-')
  92                         die("missing argument to %s", argp[-2]);
  93                     form = NULL;
  94                     continue;
  95
  96                 case WIDTHSW:
  97                     if (!(cp = *argp++) || *cp == '-')
  98                         die("missing argument to %s", argp[-2]);
  99                     width = atoi (cp);
 100                     continue;
 101             }
 102         }
 103         if (addrp == NADDRS)
 104             die("more than %d addresses", NADDRS);
 105         addrs[addrp++] = cp;
 106     }
 107     addrs[addrp] = NULL;
 108
 109     if (addrp == 0)
 110         die("usage: %s [switches] addrs ...", invo_name);
 111
 112     /* get new format string */
 113     nfs = new_fs (form, format, FORMAT);
 114
 115     if (width == -1) {
 116         if ((width = sc_width ()) < WIDTH / 2) {
 117             /* Default:  width of the terminal, but at least WIDTH/2. */
 118             width = WIDTH / 2;
 119         }
 120         width -= 2;
 121     } else if (width == 0) {
 122         /* Unlimited width.  */
 123         width = INT_MAX;
 124     }
 125     fmt_compile (nfs, &fmt, 1);
 126
 127     dat[0] = 0;
 128     dat[1] = 0;
 129     dat[2] = 0;
 130     dat[3] = width;
 131     dat[4] = 0;
 132
 133     for (addrp = 0; addrs[addrp]; addrp++)
 134         status += process (addrs[addrp], width);
 135
 136     fmt_free (fmt, 1);
 137     done(!!status);
 138     return 1;
 139 }
 140
 141 struct pqpair {
 142     char *pq_text;
 143     char *pq_error;
 144     struct pqpair *pq_next;
 145 };
 146
 147
 148 static int
 149 process (char *arg, int length)
 150 {
 151     int status = 0;
 152     char *cp;
 153     char error[BUFSIZ];
 154     struct comp *cptr;
 155     struct pqpair *p, *q;
 156     struct pqpair pq;
 157     struct mailname *mp;
 158
 159     (q = &pq)->pq_next = NULL;
 160     while ((cp = getname (arg))) {
 161         NEW0(p);
 162         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
 163             p->pq_text = mh_xstrdup(cp);
 164             p->pq_error = mh_xstrdup(error);
 165             status++;
 166         }
 167         else {
 168             p->pq_text = getcpy (mp->m_text);
 169             mnfree (mp);
 170         }
 171         q = (q->pq_next = p);
 172     }
 173
 174     for (p = pq.pq_next; p; p = q) {
 175         charstring_t scanl =
 176             charstring_create (length < NMH_BUFSIZ ? length : NMH_BUFSIZ);
 177
 178         cptr = fmt_findcomp ("text");
 179         if (cptr) {
 180             free(cptr->c_text);
 181             cptr->c_text = p->pq_text;
 182             p->pq_text = NULL;
 183         }
 184         cptr = fmt_findcomp ("error");
 185         if (cptr) {
 186             free(cptr->c_text);
 187             cptr->c_text = p->pq_error;
 188             p->pq_error = NULL;
 189         }
 190
 191         fmt_scan (fmt, scanl, length, dat, NULL);
 192         fputs (charstring_buffer (scanl), stdout);
 193         charstring_free (scanl);
 194
 195         free(p->pq_text);
 196         free(p->pq_error);
 197         q = p->pq_next;
 198         free(p);
 199     }
 200
 201     return status;
 202 }