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/fmt_new.h"
  10 #include "sbr/getarguments.h"
  11 #include "sbr/smatch.h"
  12 #include "sbr/getcpy.h"
  13 #include "sbr/ambigsw.h"
  14 #include "sbr/print_version.h"
  15 #include "sbr/print_help.h"
  16 #include "sbr/error.h"
  17 #include "h/addrsbr.h"
  18 #include "h/fmt_scan.h"
  19 #include "h/mts.h"
  20 #include "h/done.h"
  21 #include "h/utils.h"
  22 #include "sbr/terminal.h"
  23
  24 #define NADDRS  100
  25
  26 #define WIDTH   78
  27
  28 #define FORMAT  "%<{error}%{error}: %{text}%|%(putstr(proper{text}))%>"
  29
  30 #define AP_SWITCHES \
  31     X("form formatfile", 0, FORMSW) \
  32     X("format string", 5, FMTSW) \
  33     X("width columns", 0, WIDTHSW) \
  34     X("version", 0, VERSIONSW) \
  35     X("help", 0, HELPSW) \
  36
  37 #define X(sw, minchars, id) id,
  38 DEFINE_SWITCH_ENUM(AP);
  39 #undef X
  40
  41 #define X(sw, minchars, id) { sw, minchars, id },
  42 DEFINE_SWITCH_ARRAY(AP, switches);
  43 #undef X
  44
  45 static struct format *fmt;
  46
  47 static int dat[5];
  48
  49 /*
  50  * static prototypes
  51  */
  52 static int process (char *, int);
  53
  54
  55 int
  56 main (int argc, char **argv)
  57 {
  58     int addrp = 0;
  59     int width = -1, status = 0;
  60     char *cp, *form = NULL, *format = NULL, *nfs;
  61     char buf[BUFSIZ], **argp;
  62     char *addrs[NADDRS + 1]; /* Includes terminating NULL. */
  63
  64     if (nmh_init(argv[0], true, false)) { return 1; }
  65
  66     mts_init ();
  67
  68     argp = getarguments (invo_name, argc, argv, 1);
  69     while ((cp = *argp++)) {
  70         if (*cp == '-') {
  71             switch (smatch (++cp, switches)) {
  72                 case AMBIGSW:
  73                     ambigsw (cp, switches);
  74                     done (1);
  75
  76                 case UNKWNSW:
  77                     die("-%s unknown", cp);
  78
  79                 case HELPSW:
  80                     snprintf (buf, sizeof(buf), "%s [switches] addrs ...",
  81                         invo_name);
  82                     print_help (buf, switches, 1);
  83                     done (0);
  84                 case VERSIONSW:
  85                     print_version (invo_name);
  86                     done (0);
  87
  88                 case FORMSW:
  89                     if (!(form = *argp++) || *form == '-')
  90                         die("missing argument to %s", argp[-2]);
  91                     format = NULL;
  92                     continue;
  93                 case FMTSW:
  94                     if (!(format = *argp++) || *format == '-')
  95                         die("missing argument to %s", argp[-2]);
  96                     form = NULL;
  97                     continue;
  98
  99                 case WIDTHSW:
 100                     if (!(cp = *argp++) || *cp == '-')
 101                         die("missing argument to %s", argp[-2]);
 102                     width = atoi (cp);
 103                     continue;
 104             }
 105         }
 106         if (addrp == NADDRS)
 107             die("more than %d addresses", NADDRS);
 108         addrs[addrp++] = cp;
 109     }
 110     addrs[addrp] = NULL;
 111
 112     if (addrp == 0)
 113         die("usage: %s [switches] addrs ...", invo_name);
 114
 115     /* get new format string */
 116     nfs = new_fs (form, format, FORMAT);
 117
 118     if (width == -1) {
 119         if ((width = sc_width ()) < WIDTH / 2) {
 120             /* Default:  width of the terminal, but at least WIDTH/2. */
 121             width = WIDTH / 2;
 122         }
 123         width -= 2;
 124     } else if (width == 0) {
 125         /* Unlimited width.  */
 126         width = INT_MAX;
 127     }
 128     fmt_compile (nfs, &fmt, 1);
 129
 130     dat[0] = 0;
 131     dat[1] = 0;
 132     dat[2] = 0;
 133     dat[3] = width;
 134     dat[4] = 0;
 135
 136     for (addrp = 0; addrs[addrp]; addrp++)
 137         status += process (addrs[addrp], width);
 138
 139     fmt_free (fmt, 1);
 140     done(!!status);
 141     return 1;
 142 }
 143
 144 struct pqpair {
 145     char *pq_text;
 146     char *pq_error;
 147     struct pqpair *pq_next;
 148 };
 149
 150
 151 static int
 152 process (char *arg, int length)
 153 {
 154     int status = 0;
 155     char *cp;
 156     char error[BUFSIZ];
 157     struct comp *cptr;
 158     struct pqpair *p, *q;
 159     struct pqpair pq;
 160     struct mailname *mp;
 161
 162     (q = &pq)->pq_next = NULL;
 163     while ((cp = getname (arg))) {
 164         NEW0(p);
 165         if ((mp = getm (cp, NULL, 0, error, sizeof(error))) == NULL) {
 166             p->pq_text = mh_xstrdup(cp);
 167             p->pq_error = mh_xstrdup(error);
 168             status++;
 169         }
 170         else {
 171             p->pq_text = getcpy (mp->m_text);
 172             mnfree (mp);
 173         }
 174         q = (q->pq_next = p);
 175     }
 176
 177     for (p = pq.pq_next; p; p = q) {
 178         charstring_t scanl =
 179             charstring_create (length < NMH_BUFSIZ ? length : NMH_BUFSIZ);
 180
 181         cptr = fmt_findcomp ("text");
 182         if (cptr) {
 183             free(cptr->c_text);
 184             cptr->c_text = p->pq_text;
 185             p->pq_text = NULL;
 186         }
 187         cptr = fmt_findcomp ("error");
 188         if (cptr) {
 189             free(cptr->c_text);
 190             cptr->c_text = p->pq_error;
 191             p->pq_error = NULL;
 192         }
 193
 194         fmt_scan (fmt, scanl, length, dat, NULL);
 195         fputs (charstring_buffer (scanl), stdout);
 196         charstring_free (scanl);
 197
 198         free(p->pq_text);
 199         free(p->pq_error);
 200         q = p->pq_next;
 201         free(p);
 202     }
 203
 204     return status;
 205 }