3 * fmt_scan.c -- format string interpretation
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
13 #include <h/addrsbr.h>
14 #include <h/fmt_scan.h>
16 #include <h/fmt_compile.h>
18 #ifdef TIME_WITH_SYS_TIME
19 # include <sys/time.h>
22 # ifdef TM_IN_SYS_TIME
23 # include <sys/time.h>
31 extern char *formataddr (); /* hook for custom address formatting */
34 struct msgs *fmt_current_folder; /* current folder (set by main program) */
37 extern int fmt_norm; /* defined in sbr/fmt_def.c = AD_NAME */
38 struct mailname fmt_mnull;
43 static int match (char *, char *);
44 static char *get_x400_friendly (char *, char *, int);
45 static int get_x400_comp (char *, char *, char *, int);
49 * test if string "sub" appears anywhere in
50 * string "str" (case insensitive).
54 match (char *str, char *sub)
61 c1 = (isalpha(c1) && isupper(c1)) ? tolower(c1) : c1;
62 while ((c2 = *str++) && c1 != ((isalpha(c2) && isupper(c2)) ? tolower(c2) : c2))
66 s1 = sub + 1; s2 = str;
67 while ((c1 = *s1++) && ((isalpha(c1) && isupper(c1)) ? tolower(c1) : c1) == ((isalpha(c2 =*s2++) && isupper(c2)) ? tolower(c2) : c2))
74 while ((c2 = *str++) && (c1 | 040) != (c2 | 040))
78 s1 = sub + 1; s2 = str;
79 while ((c1 = *s1++) && (c1 | 040) == (*s2++ | 040))
89 * macros to format data
92 #define PUTDF(cp, num, wid, fill)\
100 *--sp = (i % 10) + '0';\
102 } while (i > 0 && sp > cp);\
105 else if ((num) < 0 && sp > cp)\
112 #define PUTD(cp, num)\
114 if ((i = (num)) == 0)\
117 if ((i = (num)) < 0) {\
124 while (cp < ep && c > 1) {\
126 *cp++ = (i / c) + '0';\
133 #define PUTSF(cp, str, wid, fill) {\
135 if ((i = (wid)) < 0) {\
145 while( --i >= c && cp < ep)\
150 while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
153 while ((c = (unsigned char) *sp++) && --i >= 0 && cp < ep)\
157 while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
163 while( --i >= 0 && cp < ep)\
167 #define PUTS(cp, str) {\
169 while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
171 while((c = (unsigned char) *sp++) && cp < ep)\
175 while ((c = (unsigned char) *sp) && (iscntrl(c) || isspace(c)))\
183 #define PUTSF(cp, str, wid, fill) {\
185 if ((i = (wid)) < 0) {\
195 while( --i >= c && cp < ep)\
200 while ((c = *sp) && c <= 32)\
203 while ((c = *sp++) && --i >= 0 && cp < ep)\
207 while ((c = *sp) && c <= 32)\
213 while( --i >= 0 && cp < ep)\
217 #define PUTS(cp, str) {\
219 while ((c = *sp) && c <= 32)\
221 while( (c = *sp++) && cp < ep)\
225 while ( (c = *sp) && c <= 32 )\
235 static char *lmonth[] = { "January", "February","March", "April",
236 "May", "June", "July", "August",
237 "September","October", "November","December" };
240 get_x400_friendly (char *mbox, char *buffer, int buffer_len)
242 char given[BUFSIZ], surname[BUFSIZ];
251 if (get_x400_comp (mbox, "/PN=", buffer, buffer_len)) {
252 for (mbox = buffer; (mbox = strchr(mbox, '.')); )
258 if (!get_x400_comp (mbox, "/S=", surname, sizeof(surname)))
261 if (get_x400_comp (mbox, "/G=", given, sizeof(given)))
262 snprintf (buffer, buffer_len, "%s %s", given, surname);
264 snprintf (buffer, buffer_len, "%s", surname);
270 get_x400_comp (char *mbox, char *key, char *buffer, int buffer_len)
275 if ((idx = stringdex (key, mbox)) < 0
276 || !(cp = strchr(mbox += idx + strlen (key), '/')))
279 snprintf (buffer, buffer_len, "%*.*s", cp - mbox, cp - mbox, mbox);
284 fmt_scan (struct format *format, char *scanl, int width, int *dat)
287 char *savestr, *str = NULL;
288 char buffer[BUFSIZ], buffer2[BUFSIZ];
298 ep = scanl + width - 1;
300 for (fmt = format; fmt->f_type != FT_DONE; fmt++)
301 switch (fmt->f_type) {
304 fmt->f_comp->c_flags &= ~CF_PARSED;
311 switch (fmt->f_type) {
314 PUTS (cp, fmt->f_comp->c_text);
317 PUTSF (cp, fmt->f_comp->c_text, fmt->f_width, fmt->f_fill);
322 while( (c = *sp++) && cp < ep)
331 ljust++; /* XXX should do something with this */
333 while( (c = *sp++) && --i >= 0 && cp < ep)
335 while( --i >= 0 && cp < ep)
343 PUTSF (cp, str, fmt->f_width, fmt->f_fill);
346 adios (NULL, "internal error (FT_STRFW)");
352 PUTDF (cp, value, fmt->f_width, fmt->f_fill);
363 if (!(value = (str && *str))) {
370 if (!(value = (str == NULL || *str == 0))) {
377 if (value != fmt->f_value) {
384 if (value == fmt->f_value) {
391 if (value <= fmt->f_value) {
398 if (!(value = (str && match (str, fmt->f_text)))) {
406 value = match (str, fmt->f_text);
412 if (!(value = (str && uprf (str, fmt->f_text)))) {
419 value = uprf (str, fmt->f_text);
423 value = (str != NULL && *str != 0);
427 value = (str == NULL || *str == 0);
431 value = (fmt->f_value == value);
435 value = (fmt->f_value != value);
439 value = (fmt->f_value > value);
450 str = fmt->f_comp->c_text;
456 if (!(str = getenv (fmt->f_text)))
460 if (!(str = context_find (fmt->f_text)))
464 case FT_LS_DECODECOMP:
465 if (decode_rfc2047(fmt->f_comp->c_text, buffer2))
468 str = fmt->f_comp->c_text;
472 if (str && decode_rfc2047(str, buffer2))
480 strncpy(buffer, str, sizeof(buffer));
482 while (isspace(*str))
485 if ((i = fmt->f_width) < 0) {
490 if (!ljust && i > 0 && strlen(str) > i)
493 xp += strlen(str) - 1;
494 while (xp > str && isspace(*xp))
496 if (ljust && i > 0 && strlen(str) > i)
497 str += strlen(str) - i;
502 value = (fmt->f_comp->c_flags & CF_TRUE) != 0;
505 value = (comp = fmt->f_comp)->c_text ? atoi(comp->c_text) : 0;
508 value = fmt->f_value;
511 value = dat[fmt->f_value];
516 case FT_LV_CHAR_LEFT:
517 value = width - (cp - scanl);
520 value += fmt->f_value;
523 value = fmt->f_value - value;
527 value = value / fmt->f_value;
533 value = value % fmt->f_value;
542 value = fmt->f_comp->c_tws->tw_sec;
545 value = fmt->f_comp->c_tws->tw_min;
548 value = fmt->f_comp->c_tws->tw_hour;
551 value = fmt->f_comp->c_tws->tw_mday;
554 value = fmt->f_comp->c_tws->tw_mon + 1;
557 str = tw_moty[fmt->f_comp->c_tws->tw_mon];
560 str = lmonth[fmt->f_comp->c_tws->tw_mon];
563 str = dtwszone (fmt->f_comp->c_tws);
566 value = fmt->f_comp->c_tws->tw_year;
569 if (!(((tws = fmt->f_comp->c_tws)->tw_flags) & (TW_SEXP|TW_SIMP)))
571 value = tws->tw_wday;
574 if (!(((tws = fmt->f_comp->c_tws)->tw_flags) & (TW_SEXP|TW_SIMP)))
576 str = tw_dotw[tws->tw_wday];
579 if (!(((tws = fmt->f_comp->c_tws)->tw_flags) & (TW_SEXP|TW_SIMP)))
581 str = tw_ldotw[tws->tw_wday];
584 value = fmt->f_comp->c_tws->tw_yday;
587 value = fmt->f_comp->c_tws->tw_zone;
590 if ((value = fmt->f_comp->c_tws->tw_clock) == 0)
591 value = dmktime(fmt->f_comp->c_tws);
594 if ((value = fmt->f_comp->c_tws->tw_clock) == 0)
595 value = dmktime(fmt->f_comp->c_tws);
596 value = time((time_t *) 0) - value;
599 if (!(((tws = fmt->f_comp->c_tws)->tw_flags) & (TW_SEXP|TW_SIMP)))
601 switch (fmt->f_comp->c_tws->tw_flags & TW_SDAY) {
610 if ((fmt->f_comp->c_tws->tw_flags & TW_SZONE) == TW_SZEXP)
616 value = fmt->f_comp->c_tws->tw_flags & TW_DST;
619 str = dasctime (fmt->f_comp->c_tws , TW_ZONE);
622 str = dasctime (fmt->f_comp->c_tws, TW_NULL);
626 str = fmt->f_comp->c_mn->m_pers;
629 str = fmt->f_comp->c_mn->m_mbox;
632 str = fmt->f_comp->c_mn->m_host;
635 str = fmt->f_comp->c_mn->m_path;
638 str = fmt->f_comp->c_mn->m_gname;
641 str = fmt->f_comp->c_mn->m_note;
644 str = adrformat( fmt->f_comp->c_mn );
647 value = fmt->f_comp->c_mn->m_type;
650 value = fmt->f_comp->c_mn->m_ingrp;
653 value = fmt->f_comp->c_mn->m_nohost;
657 if ((mn = fmt->f_comp->c_mn) == &fmt_mnull) {
658 str = fmt->f_comp->c_text;
661 if (fmt->f_type == FT_LS_ADDR)
663 if ((str = mn->m_pers) == NULL) {
664 if ((str = mn->m_note)) {
665 strncpy (buffer, str, sizeof(buffer));
669 sp = str + strlen(str) - 1;
678 } else if (!(str = get_x400_friendly (mn->m_mbox,
679 buffer, sizeof(buffer)))) {
681 switch (mn->m_type) {
686 snprintf (buffer, sizeof(buffer), "%s!%s",
687 mn->m_host, mn->m_mbox);
692 snprintf (buffer, sizeof(buffer), "%s@%s",
693 mn->m_mbox, mn->m_host);
706 if ((t = comp->c_tws->tw_clock) == 0)
707 t = dmktime(comp->c_tws);
708 tws = dlocaltime(&t);
714 if ((t = comp->c_tws->tw_clock) == 0)
715 t = dmktime(comp->c_tws);
722 if (comp->c_flags & CF_PARSED)
724 if ((sp = comp->c_text) && (tws = dparsetime(sp))) {
726 comp->c_flags &= ~CF_TRUE;
727 } else if ((comp->c_flags & CF_DATEFAB) == 0) {
728 memset ((char *) comp->c_tws, 0, sizeof *comp->c_tws);
729 comp->c_flags = CF_TRUE;
731 comp->c_flags |= CF_PARSED;
735 /* hook for custom address list formatting (see replsbr.c) */
736 str = formataddr (savestr, str);
740 /* output the str register as an address component,
741 * splitting it into multiple lines if necessary. The
742 * value reg. contains the max line length. The lit.
743 * field may contain a string to prepend to the result
748 int indent, wid, len;
754 indent = strlen (sp);
756 while( (c = *sp++) && cp < ep)
759 /* try to break at a comma; failing that, break at a
762 lastb = 0; sp = lp + wid;
763 while (sp > lp && (c = *--sp) != ',') {
764 if (! lastb && isspace(c))
768 if (! (sp = lastb)) {
770 while (*sp && *sp != ',' && !isspace(*sp))
777 while (cp < ep && lp <= sp)
784 for (i=indent; cp < ep && i > 0; i--)
794 if (comp->c_flags & CF_PARSED)
796 if (comp->c_mn != &fmt_mnull)
798 if ((sp = comp->c_text) && (sp = getname(sp)) &&
799 (mn = getm (sp, NULL, 0, fmt_norm, NULL))) {
803 comp->c_flags |= CF_PARSED;
805 while (getname("")) /* XXX */
807 comp->c_mn = &fmt_mnull;
813 * if there's no component, we say true. Otherwise we
814 * say "true" only if we can parse the address and it
815 * matches one of our addresses.
818 if (comp->c_mn != &fmt_mnull)
820 if ((sp = comp->c_text) && (sp = getname(sp)) &&
821 (mn = getm (sp, NULL, 0, AD_NAME, NULL))) {
824 comp->c_flags |= CF_TRUE;
826 comp->c_flags &= ~CF_TRUE;
827 while ((sp = getname(sp)))
828 if ((comp->c_flags & CF_TRUE) == 0 &&
829 (mn = getm (sp, NULL, 0, AD_NAME, NULL)))
831 comp->c_flags |= CF_TRUE;
833 while (getname("")) /* XXX */
835 if (comp->c_text == 0)
836 comp->c_flags |= CF_TRUE;
838 comp->c_flags &= ~CF_TRUE;
839 comp->c_mn = &fmt_mnull;
845 /* If we're working on a folder (as opposed to a file), add the
846 * current msg to sequence given in literal field. Don't
847 * disturb string or value registers.
849 if (fmt_current_folder)
850 seq_addmsg(fmt_current_folder, fmt->f_text, dat[0], -1);
861 return ((struct format *)0);
865 while (fmt->f_type != FT_DONE)
870 return (fmt->f_value ? ++fmt : (struct format *) 0);