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