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