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