--- /dev/null
+
+/*
+ * fmttest.c -- A program to help test and debug format instructions
+ *
+ * This code is Copyright (c) 2012, by the authors of nmh. See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
+ */
+
+#include <h/mh.h>
+#include <h/fmt_scan.h>
+#include <h/fmt_compile.h>
+#include <h/utils.h>
+#include <h/scansbr.h>
+
+static struct swit switches[] = {
+#define FORMSW 0
+ { "form formatfile", 0 },
+#define FMTSW 1
+ { "format string", 5 },
+#define DUMPSW 2
+ { "dump", 0 },
+#define ADDRSW 3
+ { "address", 0 },
+#define DATESW 4
+ { "date", 0 },
+#define WIDTHSW 5
+ { "width columns", 0 },
+#define BUFSZSW 6
+ { "bufsize size-in-bytes", 0 },
+#define VERSIONSW 7
+ { "version", 0 },
+#define OTHERSW 8
+ { "-component-name component-text", 0 },
+#define HELPSW 9
+ { "help", 0 },
+ { NULL, 0 }
+};
+
+/*
+ * An array containing labels used for branch instructions
+ */
+
+static struct format **lvec = NULL;
+static int lused = 0;
+static int lallocated = 0;
+
+/*
+ * static prototypes
+ */
+static void fmt_dump (struct format *);
+static void dumpone(struct format *);
+static int findlabel(struct format *);
+static void assignlabel(struct format *);
+static char *f_typestr(int);
+static char *c_typestr(int);
+static char *c_flagsstr(int);
+static void litputs(char *);
+static void litputc(char);
+
+
+int
+main (int argc, char **argv)
+{
+ char *cp, *form = NULL, *format = NULL;
+ char buf[BUFSIZ], *nfs, **argp, **arguments;
+ char **compargs = NULL;
+ struct format *fmt;
+ struct comp *cptr;
+ int dump = 0, compp = 0, comppalloc = 0, i;
+ int width = 0, bufsize = 0;
+ int dat[5];
+
+#ifdef LOCALE
+ setlocale(LC_ALL, "");
+#endif
+ invo_name = r1bindex (argv[0], '/');
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments (invo_name, argc, argv, 1);
+ argp = arguments;
+
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ /*
+ * A -- means that we have a component name (like pick);
+ * save the component name and the next argument for the text.
+ */
+ if (*++cp == '-') {
+ /* it's -3 because of this ptr, next ptr, and trailing NULL */
+ if (compp > comppalloc - 3) {
+ comppalloc += 32;
+ compargs = (char **) mh_xrealloc(compargs, sizeof(char *) *
+ comppalloc);
+ }
+ compargs[compp++] = --cp;
+ /* Grab next argument for component text */
+ if (!(cp = *argp++))
+ adios(NULL, "missing argument to %s", argp[-2]);
+ compargs[compp++] = cp;
+ continue;
+ }
+ switch (smatch (cp, switches)) {
+ case AMBIGSW:
+ ambigsw (cp, switches);
+ done (1);
+ case UNKWNSW:
+ adios (NULL, "-%s unknown", cp);
+
+ case HELPSW:
+ snprintf (buf, sizeof(buf), "%s [switches]", invo_name);
+ print_help (buf, switches, 1);
+ done (0);
+ case VERSIONSW:
+ print_version(invo_name);
+ done (0);
+ case OTHERSW:
+ adios(NULL, "internal argument error!");
+ continue;
+
+ case WIDTHSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(NULL, "missing argument to %s", argp[-2]);
+ width = atoi(cp);
+ continue;
+ case BUFSZSW:
+ if (!(cp = *argp++) || *cp == '-')
+ adios(NULL, "missing argument to %s", argp[-2]);
+ bufsize = atoi(cp);
+ continue;
+
+ case FORMSW:
+ if (!(form = *argp++) || *form == '-')
+ adios (NULL, "missing argument to %s", argp[-2]);
+ format = NULL;
+ continue;
+ case FMTSW:
+ if (!(format = *argp++) || *format == '-')
+ adios (NULL, "missing argument to %s", argp[-2]);
+ form = NULL;
+ continue;
+
+ case DUMPSW:
+ dump++;
+ continue;
+
+ }
+ }
+ if (form)
+ adios (NULL, "only one form at a time!");
+ else
+ form = cp;
+ }
+
+ if (compargs)
+ compargs[compp] = NULL;
+
+ /*
+ * Here's our weird heuristic:
+ *
+ * - We allow -dump without any other arguments.
+ * - If you've given any component arguments, we don't require any
+ * other arguments.
+ * - The arguments are interpreted as folders/messages.
+ */
+
+ /*
+ * Get new format string. Must be before chdir().
+ */
+ nfs = new_fs (form, format, FORMAT);
+ (void) fmt_compile(nfs, &fmt, 1);
+
+ if (dump)
+ fmt_dump(fmt);
+
+ if (compargs) {
+ for (i = 0; compargs[i] != NULL; i += 2) {
+ cptr = fmt_findcomp(compargs[i]);
+ if (cptr)
+ cptr->c_text = getcpy(compargs[i + 1]);
+ }
+ }
+
+ if (width == 0)
+ width = sc_width();
+
+ /*
+ * If we don't specify a buffer size, allocate a default one.
+ */
+
+ if (bufsize == 0) {
+ }
+
+ fmt_free(fmt, 1);
+
+ done(0);
+ return 1;
+}
+
+static void
+fmt_dump (struct format *fmth)
+{
+ int i;
+ register struct format *fmt, *addr;
+
+ /* Assign labels */
+ for (fmt = fmth; fmt; ++fmt) {
+ i = fmt->f_type;
+ if (i == FT_IF_S ||
+ i == FT_IF_S_NULL ||
+ i == FT_IF_V_EQ ||
+ i == FT_IF_V_NE ||
+ i == FT_IF_V_GT ||
+ i == FT_IF_MATCH ||
+ i == FT_IF_AMATCH ||
+ i == FT_GOTO) {
+ addr = fmt + fmt->f_skip;
+ if (findlabel(addr) < 0)
+ assignlabel(addr);
+ }
+ if (fmt->f_type == FT_DONE && fmt->f_value == 0)
+ break;
+ }
+
+ /* Dump them out! */
+ for (fmt = fmth; fmt; ++fmt) {
+ dumpone(fmt);
+ if (fmt->f_type == FT_DONE && fmt->f_value == 0)
+ break;
+ }
+}
+
+static void
+dumpone(struct format *fmt)
+{
+ register int i;
+
+ if ((i = findlabel(fmt)) >= 0)
+ printf("L%d:", i);
+ putchar('\t');
+
+ fputs(f_typestr((int)fmt->f_type), stdout);
+
+ switch (fmt->f_type) {
+
+ case FT_COMP:
+ case FT_LS_COMP:
+ case FT_LV_COMPFLAG:
+ case FT_LV_COMP:
+ printf(", comp ");
+ litputs(fmt->f_comp->c_name);
+ if (fmt->f_comp->c_type)
+ printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+ if (fmt->f_comp->c_flags)
+ printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+ break;
+
+ case FT_LV_SEC:
+ case FT_LV_MIN:
+ case FT_LV_HOUR:
+ case FT_LV_MDAY:
+ case FT_LV_MON:
+ case FT_LS_MONTH:
+ case FT_LS_LMONTH:
+ case FT_LS_ZONE:
+ case FT_LV_YEAR:
+ case FT_LV_WDAY:
+ case FT_LS_DAY:
+ case FT_LS_WEEKDAY:
+ case FT_LV_YDAY:
+ case FT_LV_ZONE:
+ case FT_LV_CLOCK:
+ case FT_LV_RCLOCK:
+ case FT_LV_DAYF:
+ case FT_LV_ZONEF:
+ case FT_LV_DST:
+ case FT_LS_822DATE:
+ case FT_LS_PRETTY:
+ case FT_LOCALDATE:
+ case FT_GMTDATE:
+ case FT_PARSEDATE:
+ printf(", c_name ");
+ litputs(fmt->f_comp->c_name);
+ if (fmt->f_comp->c_type)
+ printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+ if (fmt->f_comp->c_flags)
+ printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+ break;
+
+ case FT_LS_ADDR:
+ case FT_LS_PERS:
+ case FT_LS_MBOX:
+ case FT_LS_HOST:
+ case FT_LS_PATH:
+ case FT_LS_GNAME:
+ case FT_LS_NOTE:
+ case FT_LS_822ADDR:
+ case FT_LV_HOSTTYPE:
+ case FT_LV_INGRPF:
+ case FT_LV_NOHOSTF:
+ case FT_LS_FRIENDLY:
+ case FT_PARSEADDR:
+ case FT_MYMBOX:
+ printf(", c_name ");
+ litputs(fmt->f_comp->c_name);
+ if (fmt->f_comp->c_type)
+ printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+ if (fmt->f_comp->c_flags)
+ printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+ break;
+
+ case FT_COMPF:
+ printf(", width %d, fill '", fmt->f_width);
+ litputc(fmt->f_fill);
+ printf("' name ");
+ litputs(fmt->f_comp->c_name);
+ if (fmt->f_comp->c_type)
+ printf(", c_type %s", c_typestr(fmt->f_comp->c_type));
+ if (fmt->f_comp->c_flags)
+ printf(", c_flags %s", c_flagsstr(fmt->f_comp->c_flags));
+ break;
+
+ case FT_STRF:
+ case FT_NUMF:
+ printf(", width %d, fill '", fmt->f_width);
+ litputc(fmt->f_fill);
+ putchar('\'');
+ break;
+
+ case FT_LIT:
+#ifdef FT_LIT_FORCE
+ case FT_LIT_FORCE:
+#endif
+ putchar(' ');
+ litputs(fmt->f_text);
+ break;
+
+ case FT_LITF:
+ printf(", width %d, fill '", fmt->f_width);
+ litputc(fmt->f_fill);
+ printf("' ");
+ litputs(fmt->f_text);
+ break;
+
+ case FT_CHAR:
+ putchar(' ');
+ putchar('\'');
+ litputc(fmt->f_char);
+ putchar('\'');
+ break;
+
+
+ case FT_IF_S:
+ case FT_IF_S_NULL:
+ case FT_IF_MATCH:
+ case FT_IF_AMATCH:
+ printf(" continue else goto");
+ case FT_GOTO:
+ i = findlabel(fmt + fmt->f_skip);
+ printf(" L%d", i);
+ break;
+
+ case FT_IF_V_EQ:
+ case FT_IF_V_NE:
+ case FT_IF_V_GT:
+ i = findlabel(fmt + fmt->f_skip);
+ printf(" %d continue else goto L%d", fmt->f_value, i);
+ break;
+
+ case FT_V_EQ:
+ case FT_V_NE:
+ case FT_V_GT:
+ case FT_LV_LIT:
+ case FT_LV_PLUS_L:
+ case FT_LV_MINUS_L:
+ case FT_LV_DIVIDE_L:
+ case FT_LV_MODULO_L:
+ printf(" value %d", fmt->f_value);
+ break;
+
+ case FT_LS_LIT:
+ printf(" str ");
+ litputs(fmt->f_text);
+ break;
+
+ case FT_LS_GETENV:
+ printf(" getenv ");
+ litputs(fmt->f_text);
+ break;
+
+ case FT_LS_DECODECOMP:
+ printf(", comp ");
+ litputs(fmt->f_comp->c_name);
+ break;
+
+ case FT_LS_DECODE:
+ break;
+
+ case FT_LS_TRIM:
+ printf(", width %d", fmt->f_width);
+ break;
+
+ case FT_LV_DAT:
+ printf(", value dat[%d]", fmt->f_value);
+ break;
+ }
+ putchar('\n');
+}
+
+static int
+findlabel(struct format *addr)
+{
+ register int i;
+
+ for (i = 0; i < lused; ++i)
+ if (addr == lvec[i])
+ return(i);
+ return(-1);
+}
+
+static void
+assignlabel(struct format *addr)
+{
+ if (lused >= lallocated) {
+ lallocated += 64;
+ lvec = (struct format **)
+ mh_xrealloc(lvec, sizeof(struct format *) * lallocated);
+ }
+
+ lvec[lused++] = addr;
+}
+
+static char *
+f_typestr(int t)
+{
+ static char buf[32];
+
+ switch (t) {
+ case FT_COMP: return("COMP");
+ case FT_COMPF: return("COMPF");
+ case FT_LIT: return("LIT");
+ case FT_LITF: return("LITF");
+#ifdef FT_LIT_FORCE
+ case FT_LIT_FORCE: return("LIT_FORCE");
+#endif
+ case FT_CHAR: return("CHAR");
+ case FT_NUM: return("NUM");
+ case FT_NUMF: return("NUMF");
+ case FT_STR: return("STR");
+ case FT_STRF: return("STRF");
+ case FT_STRFW: return("STRFW");
+ case FT_PUTADDR: return("PUTADDR");
+ case FT_STRLIT: return("STRLIT");
+ case FT_STRLITZ: return("STRLITZ");
+ case FT_LS_COMP: return("LS_COMP");
+ case FT_LS_LIT: return("LS_LIT");
+ case FT_LS_GETENV: return("LS_GETENV");
+ case FT_LS_DECODECOMP: return("FT_LS_DECODECOMP");
+ case FT_LS_DECODE: return("FT_LS_DECODE");
+ case FT_LS_TRIM: return("LS_TRIM");
+ case FT_LV_COMP: return("LV_COMP");
+ case FT_LV_COMPFLAG: return("LV_COMPFLAG");
+ case FT_LV_LIT: return("LV_LIT");
+ case FT_LV_DAT: return("LV_DAT");
+ case FT_LV_STRLEN: return("LV_STRLEN");
+ case FT_LV_PLUS_L: return("LV_PLUS_L");
+ case FT_LV_MINUS_L: return("LV_MINUS_L");
+ case FT_LV_DIVIDE_L: return("LV_DIVIDE_L");
+ case FT_LV_MODULO_L: return("LV_MODULO_L");
+ case FT_LV_CHAR_LEFT: return("LV_CHAR_LEFT");
+ case FT_LS_MONTH: return("LS_MONTH");
+ case FT_LS_LMONTH: return("LS_LMONTH");
+ case FT_LS_ZONE: return("LS_ZONE");
+ case FT_LS_DAY: return("LS_DAY");
+ case FT_LS_WEEKDAY: return("LS_WEEKDAY");
+ case FT_LS_822DATE: return("LS_822DATE");
+ case FT_LS_PRETTY: return("LS_PRETTY");
+ case FT_LV_SEC: return("LV_SEC");
+ case FT_LV_MIN: return("LV_MIN");
+ case FT_LV_HOUR: return("LV_HOUR");
+ case FT_LV_MDAY: return("LV_MDAY");
+ case FT_LV_MON: return("LV_MON");
+ case FT_LV_YEAR: return("LV_YEAR");
+ case FT_LV_YDAY: return("LV_YDAY");
+ case FT_LV_WDAY: return("LV_WDAY");
+ case FT_LV_ZONE: return("LV_ZONE");
+ case FT_LV_CLOCK: return("LV_CLOCK");
+ case FT_LV_RCLOCK: return("LV_RCLOCK");
+ case FT_LV_DAYF: return("LV_DAYF");
+ case FT_LV_DST: return("LV_DST");
+ case FT_LV_ZONEF: return("LV_ZONEF");
+ case FT_LS_ADDR: return("LS_ADDR");
+ case FT_LS_PERS: return("LS_PERS");
+ case FT_LS_MBOX: return("LS_MBOX");
+ case FT_LS_HOST: return("LS_HOST");
+ case FT_LS_PATH: return("LS_PATH");
+ case FT_LS_GNAME: return("LS_GNAME");
+ case FT_LS_NOTE: return("LS_NOTE");
+ case FT_LS_822ADDR: return("LS_822ADDR");
+ case FT_LS_FRIENDLY: return("LS_FRIENDLY");
+ case FT_LV_HOSTTYPE: return("LV_HOSTTYPE");
+ case FT_LV_INGRPF: return("LV_INGRPF");
+ case FT_LV_NOHOSTF: return("LV_NOHOSTF");
+ case FT_LOCALDATE: return("LOCALDATE");
+ case FT_GMTDATE: return("GMTDATE");
+ case FT_PARSEDATE: return("PARSEDATE");
+ case FT_PARSEADDR: return("PARSEADDR");
+ case FT_FORMATADDR: return("FORMATADDR");
+ case FT_CONCATADDR: return("CONCATADDR");
+ case FT_MYMBOX: return("MYMBOX");
+#ifdef FT_ADDTOSEQ
+ case FT_ADDTOSEQ: return("ADDTOSEQ");
+#endif
+ case FT_SAVESTR: return("SAVESTR");
+#ifdef FT_PAUSE
+ case FT_PAUSE: return ("PAUSE");
+#endif
+ case FT_DONE: return("DONE");
+ case FT_NOP: return("NOP");
+ case FT_GOTO: return("GOTO");
+ case FT_IF_S_NULL: return("IF_S_NULL");
+ case FT_IF_S: return("IF_S");
+ case FT_IF_V_EQ: return("IF_V_EQ");
+ case FT_IF_V_NE: return("IF_V_NE");
+ case FT_IF_V_GT: return("IF_V_GT");
+ case FT_IF_MATCH: return("IF_MATCH");
+ case FT_IF_AMATCH: return("IF_AMATCH");
+ case FT_S_NULL: return("S_NULL");
+ case FT_S_NONNULL: return("S_NONNULL");
+ case FT_V_EQ: return("V_EQ");
+ case FT_V_NE: return("V_NE");
+ case FT_V_GT: return("V_GT");
+ case FT_V_MATCH: return("V_MATCH");
+ case FT_V_AMATCH: return("V_AMATCH");
+ default:
+ printf(buf, "/* ??? #%d */", t);
+ return(buf);
+ }
+}
+
+#define FNORD(v, s) if (t & (v)) { \
+ if (i++ > 0) \
+ strcat(buf, "|"); \
+ strcat(buf, s); }
+
+static char *
+c_typestr(int t)
+{
+ register int i;
+ static char buf[64];
+
+ buf[0] = '\0';
+ if (t & ~(CT_ADDR|CT_DATE))
+ printf(buf, "0x%x ", t);
+ strcat(buf, "<");
+ i = 0;
+ FNORD(CT_ADDR, "ADDR");
+ FNORD(CT_DATE, "DATE");
+ strcat(buf, ">");
+ return(buf);
+}
+
+static char *
+c_flagsstr(int t)
+{
+ register int i;
+ static char buf[64];
+
+ buf[0] = '\0';
+ if (t & ~(CF_TRUE|CF_PARSED|CF_DATEFAB|CF_TRIMMED))
+ printf(buf, "0x%x ", t);
+ strcat(buf, "<");
+ i = 0;
+ FNORD(CF_TRUE, "TRUE");
+ FNORD(CF_PARSED, "PARSED");
+ FNORD(CF_DATEFAB, "DATEFAB");
+ FNORD(CF_TRIMMED, "TRIMMED");
+ strcat(buf, ">");
+ return(buf);
+}
+#undef FNORD
+
+static void
+litputs(char *s)
+{
+ if (s) {
+ putc('"', stdout);
+ while (*s)
+ litputc(*s++);
+ putc('"', stdout);
+ } else
+ fputs("<nil>", stdout);
+}
+
+static void
+litputc(char c)
+{
+ if (c & ~ 0177) {
+ putc('M', stdout);
+ putc('-', stdout);
+ c &= 0177;
+ }
+ if (c < 0x20 || c == 0177) {
+ if (c == '\b') {
+ putc('\\', stdout);
+ putc('b', stdout);
+ } else if (c == '\f') {
+ putc('\\', stdout);
+ putc('f', stdout);
+ } else if (c == '\n') {
+ putc('\\', stdout);
+ putc('n', stdout);
+ } else if (c == '\r') {
+ putc('\\', stdout);
+ putc('r', stdout);
+ } else if (c == '\t') {
+ putc('\\', stdout);
+ putc('t', stdout);
+ } else {
+ putc('^', stdout);
+ putc(c ^ 0x40, stdout); /* DEL to ?, others to alpha */
+ }
+ } else
+ putc(c, stdout);
+}