/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
#include <term.h>
#include <tic.h>
-MODULE_ID("$Id: lib_tparm.c,v 1.62 2002/10/05 19:33:24 Frank.Henigman Exp $")
+MODULE_ID("$Id: lib_tparm.c,v 1.73 2007/04/21 20:43:19 tom Exp $")
/*
* char *
* resulting in x mod y, not the reverse.
*/
-#define STACKSIZE 20
-
-typedef struct {
- union {
- int num;
- char *str;
- } data;
- bool num_type;
-} stack_frame;
-
NCURSES_EXPORT_VAR(int) _nc_tparm_err = 0;
-static stack_frame stack[STACKSIZE];
-static int stack_ptr;
-static const char *tparam_base = "";
-
-#ifdef TRACE
-static const char *tname;
-#endif /* TRACE */
-
-static char *out_buff;
-static size_t out_size;
-static size_t out_used;
+#define TPS(var) _nc_prescreen.tparm_state.var
#if NO_LEAKS
NCURSES_EXPORT(void)
_nc_free_tparm(void)
{
- if (out_buff != 0) {
- FreeAndNull(out_buff);
- out_size = 0;
- out_used = 0;
+ if (TPS(out_buff) != 0) {
+ FreeAndNull(TPS(out_buff));
+ TPS(out_size) = 0;
+ TPS(out_used) = 0;
+ FreeAndNull(TPS(fmt_buff));
+ TPS(fmt_size) = 0;
}
}
#endif
-static inline void
+static NCURSES_INLINE void
get_space(size_t need)
{
- need += out_used;
- if (need > out_size) {
- out_size = need * 2;
- out_buff = typeRealloc(char, out_size, out_buff);
- if (out_buff == 0)
+ need += TPS(out_used);
+ if (need > TPS(out_size)) {
+ TPS(out_size) = need * 2;
+ TPS(out_buff) = typeRealloc(char, TPS(out_size), TPS(out_buff));
+ if (TPS(out_buff) == 0)
_nc_err_abort(MSG_NO_MEMORY);
}
}
-static inline void
+static NCURSES_INLINE void
save_text(const char *fmt, const char *s, int len)
{
size_t s_len = strlen(s);
get_space(s_len + 1);
- (void) sprintf(out_buff + out_used, fmt, s);
- out_used += strlen(out_buff + out_used);
+ (void) sprintf(TPS(out_buff) + TPS(out_used), fmt, s);
+ TPS(out_used) += strlen(TPS(out_buff) + TPS(out_used));
}
-static inline void
+static NCURSES_INLINE void
save_number(const char *fmt, int number, int len)
{
if (len < 30)
get_space((unsigned) len + 1);
- (void) sprintf(out_buff + out_used, fmt, number);
- out_used += strlen(out_buff + out_used);
+ (void) sprintf(TPS(out_buff) + TPS(out_used), fmt, number);
+ TPS(out_used) += strlen(TPS(out_buff) + TPS(out_used));
}
-static inline void
+static NCURSES_INLINE void
save_char(int c)
{
if (c == 0)
c = 0200;
get_space(1);
- out_buff[out_used++] = c;
+ TPS(out_buff)[TPS(out_used)++] = c;
}
-static inline void
+static NCURSES_INLINE void
npush(int x)
{
- if (stack_ptr < STACKSIZE) {
- stack[stack_ptr].num_type = TRUE;
- stack[stack_ptr].data.num = x;
- stack_ptr++;
+ if (TPS(stack_ptr) < STACKSIZE) {
+ TPS(stack)[TPS(stack_ptr)].num_type = TRUE;
+ TPS(stack)[TPS(stack_ptr)].data.num = x;
+ TPS(stack_ptr)++;
} else {
- DEBUG(2, ("npush: stack overflow: %s", _nc_visbuf(tparam_base)));
+ DEBUG(2, ("npush: stack overflow: %s", _nc_visbuf(TPS(tparam_base))));
_nc_tparm_err++;
}
}
-static inline int
+static NCURSES_INLINE int
npop(void)
{
int result = 0;
- if (stack_ptr > 0) {
- stack_ptr--;
- if (stack[stack_ptr].num_type)
- result = stack[stack_ptr].data.num;
+ if (TPS(stack_ptr) > 0) {
+ TPS(stack_ptr)--;
+ if (TPS(stack)[TPS(stack_ptr)].num_type)
+ result = TPS(stack)[TPS(stack_ptr)].data.num;
} else {
- DEBUG(2, ("npop: stack underflow: %s", _nc_visbuf(tparam_base)));
+ DEBUG(2, ("npop: stack underflow: %s", _nc_visbuf(TPS(tparam_base))));
_nc_tparm_err++;
}
return result;
}
-static inline void
+static NCURSES_INLINE void
spush(char *x)
{
- if (stack_ptr < STACKSIZE) {
- stack[stack_ptr].num_type = FALSE;
- stack[stack_ptr].data.str = x;
- stack_ptr++;
+ if (TPS(stack_ptr) < STACKSIZE) {
+ TPS(stack)[TPS(stack_ptr)].num_type = FALSE;
+ TPS(stack)[TPS(stack_ptr)].data.str = x;
+ TPS(stack_ptr)++;
} else {
- DEBUG(2, ("spush: stack overflow: %s", _nc_visbuf(tparam_base)));
+ DEBUG(2, ("spush: stack overflow: %s", _nc_visbuf(TPS(tparam_base))));
_nc_tparm_err++;
}
}
-static inline char *
+static NCURSES_INLINE char *
spop(void)
{
static char dummy[] = ""; /* avoid const-cast */
char *result = dummy;
- if (stack_ptr > 0) {
- stack_ptr--;
- if (!stack[stack_ptr].num_type && stack[stack_ptr].data.str != 0)
- result = stack[stack_ptr].data.str;
+ if (TPS(stack_ptr) > 0) {
+ TPS(stack_ptr)--;
+ if (!TPS(stack)[TPS(stack_ptr)].num_type
+ && TPS(stack)[TPS(stack_ptr)].data.str != 0)
+ result = TPS(stack)[TPS(stack_ptr)].data.str;
} else {
- DEBUG(2, ("spop: stack underflow: %s", _nc_visbuf(tparam_base)));
+ DEBUG(2, ("spop: stack underflow: %s", _nc_visbuf(TPS(tparam_base))));
_nc_tparm_err++;
}
return result;
}
-static inline const char *
+static NCURSES_INLINE const char *
parse_format(const char *s, char *format, int *len)
{
- bool done = FALSE;
- bool allowminus = FALSE;
- bool dot = FALSE;
- bool err = FALSE;
- char *fmt = format;
- int my_width = 0;
- int my_prec = 0;
- int value = 0;
-
*len = 0;
- *format++ = '%';
- while (*s != '\0' && !done) {
- switch (*s) {
- case 'c': /* FALLTHRU */
- case 'd': /* FALLTHRU */
- case 'o': /* FALLTHRU */
- case 'x': /* FALLTHRU */
- case 'X': /* FALLTHRU */
- case 's':
- *format++ = *s;
- done = TRUE;
- break;
- case '.':
- *format++ = *s++;
- if (dot) {
- err = TRUE;
- } else { /* value before '.' is the width */
- dot = TRUE;
- my_width = value;
- }
- value = 0;
- break;
- case '#':
- *format++ = *s++;
- break;
- case ' ':
- *format++ = *s++;
- break;
- case ':':
- s++;
- allowminus = TRUE;
- break;
- case '-':
- if (allowminus) {
- *format++ = *s++;
- } else {
+ if (format != 0) {
+ bool done = FALSE;
+ bool allowminus = FALSE;
+ bool dot = FALSE;
+ bool err = FALSE;
+ char *fmt = format;
+ int my_width = 0;
+ int my_prec = 0;
+ int value = 0;
+
+ *len = 0;
+ *format++ = '%';
+ while (*s != '\0' && !done) {
+ switch (*s) {
+ case 'c': /* FALLTHRU */
+ case 'd': /* FALLTHRU */
+ case 'o': /* FALLTHRU */
+ case 'x': /* FALLTHRU */
+ case 'X': /* FALLTHRU */
+ case 's':
+ *format++ = *s;
done = TRUE;
- }
- break;
- default:
- if (isdigit(UChar(*s))) {
- value = (value * 10) + (*s - '0');
- if (value > 10000)
+ break;
+ case '.':
+ *format++ = *s++;
+ if (dot) {
err = TRUE;
+ } else { /* value before '.' is the width */
+ dot = TRUE;
+ my_width = value;
+ }
+ value = 0;
+ break;
+ case '#':
*format++ = *s++;
- } else {
- done = TRUE;
+ break;
+ case ' ':
+ *format++ = *s++;
+ break;
+ case ':':
+ s++;
+ allowminus = TRUE;
+ break;
+ case '-':
+ if (allowminus) {
+ *format++ = *s++;
+ } else {
+ done = TRUE;
+ }
+ break;
+ default:
+ if (isdigit(UChar(*s))) {
+ value = (value * 10) + (*s - '0');
+ if (value > 10000)
+ err = TRUE;
+ *format++ = *s++;
+ } else {
+ done = TRUE;
+ }
}
}
- }
- /*
- * If we found an error, ignore (and remove) the flags.
- */
- if (err) {
- my_width = my_prec = value = 0;
- format = fmt;
- *format++ = '%';
- *format++ = *s;
- }
+ /*
+ * If we found an error, ignore (and remove) the flags.
+ */
+ if (err) {
+ my_width = my_prec = value = 0;
+ format = fmt;
+ *format++ = '%';
+ *format++ = *s;
+ }
- /*
- * Any value after '.' is the precision. If we did not see '.', then
- * the value is the width.
- */
- if (dot)
- my_prec = value;
- else
- my_width = value;
-
- *format = '\0';
- /* return maximum string length in print */
- *len = (my_width > my_prec) ? my_width : my_prec;
+ /*
+ * Any value after '.' is the precision. If we did not see '.', then
+ * the value is the width.
+ */
+ if (dot)
+ my_prec = value;
+ else
+ my_width = value;
+
+ *format = '\0';
+ /* return maximum string length in print */
+ *len = (my_width > my_prec) ? my_width : my_prec;
+ }
return s;
}
#define isUPPER(c) ((c) >= 'A' && (c) <= 'Z')
#define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
-static inline char *
-tparam_internal(const char *string, va_list ap)
+/*
+ * Analyze the string to see how many parameters we need from the varargs list,
+ * and what their types are. We will only accept string parameters if they
+ * appear as a %l or %s format following an explicit parameter reference (e.g.,
+ * %p2%s). All other parameters are numbers.
+ *
+ * 'number' counts coarsely the number of pop's we see in the string, and
+ * 'popcount' shows the highest parameter number in the string. We would like
+ * to simply use the latter count, but if we are reading termcap strings, there
+ * may be cases that we cannot see the explicit parameter numbers.
+ */
+NCURSES_EXPORT(int)
+_nc_tparm_analyze(const char *string, char *p_is_s[NUM_PARM], int *popcount)
{
-#define NUM_VARS 26
- char *p_is_s[9];
- long param[9];
- int lastpop;
- int popcount;
- int number;
- int len;
- int level;
- int x, y;
- int i;
size_t len2;
- register const char *cp;
- static size_t len_fmt;
+ int i;
+ int lastpop = -1;
+ int len;
+ int number = 0;
+ const char *cp = string;
static char dummy[] = "";
- static char *format;
- static int dynamic_var[NUM_VARS];
- static int static_vars[NUM_VARS];
- out_used = 0;
- if (string == NULL)
- return NULL;
+ if (cp == 0)
+ return 0;
- if ((len2 = strlen(string)) > len_fmt) {
- len_fmt = len2 + len_fmt + 2;
- if ((format = typeRealloc(char, len_fmt, format)) == 0)
- return 0;
+ if ((len2 = strlen(cp)) > TPS(fmt_size)) {
+ TPS(fmt_size) = len2 + TPS(fmt_size) + 2;
+ TPS(fmt_buff) = typeRealloc(char, TPS(fmt_size), TPS(fmt_buff));
+ if (TPS(fmt_buff) == 0)
+ return 0;
}
- /*
- * Find the highest parameter-number referred to in the format string.
- * Use this value to limit the number of arguments copied from the
- * variable-length argument list.
- */
-
- number = 0;
- lastpop = -1;
- popcount = 0;
- memset(p_is_s, 0, sizeof(p_is_s));
+ memset(p_is_s, 0, sizeof(p_is_s[0]) * NUM_PARM);
+ *popcount = 0;
- /*
- * Analyze the string to see how many parameters we need from the varargs
- * list, and what their types are. We will only accept string parameters
- * if they appear as a %l or %s format following an explicit parameter
- * reference (e.g., %p2%s). All other parameters are numbers.
- *
- * 'number' counts coarsely the number of pop's we see in the string, and
- * 'popcount' shows the highest parameter number in the string. We would
- * like to simply use the latter count, but if we are reading termcap
- * strings, there may be cases that we cannot see the explicit parameter
- * numbers.
- */
- for (cp = string; (cp - string) < (int) len2;) {
+ while ((cp - string) < (int) len2) {
if (*cp == '%') {
cp++;
- cp = parse_format(cp, format, &len);
+ cp = parse_format(cp, TPS(fmt_buff), &len);
switch (*cp) {
default:
break;
case 'x': /* FALLTHRU */
case 'X': /* FALLTHRU */
case 'c': /* FALLTHRU */
- number++;
+ if (lastpop <= 0)
+ number++;
lastpop = -1;
break;
case 'p':
cp++;
- i = (*cp - '0');
- if (i >= 0 && i <= 9) {
+ i = (UChar(*cp) - '0');
+ if (i >= 0 && i <= NUM_PARM) {
lastpop = i;
- if (lastpop > popcount)
- popcount = lastpop;
+ if (lastpop > *popcount)
+ *popcount = lastpop;
}
break;
case L_BRACE:
cp++;
- while (*cp >= '0' && *cp <= '9') {
+ while (isdigit(UChar(*cp))) {
cp++;
}
break;
break;
case 'i':
- lastpop = -1;
- if (popcount < 2)
- popcount = 2;
+ /* will add 1 to first (usually two) parameters */
break;
}
}
cp++;
}
- if (number > 9)
- number = 9;
+ if (number > NUM_PARM)
+ number = NUM_PARM;
+ return number;
+}
+
+static NCURSES_INLINE char *
+tparam_internal(const char *string, va_list ap)
+{
+ char *p_is_s[NUM_PARM];
+ TPARM_ARG param[NUM_PARM];
+ int popcount;
+ int number;
+ int len;
+ int level;
+ int x, y;
+ int i;
+ const char *cp = string;
+ size_t len2;
+
+ if (cp == NULL)
+ return NULL;
+
+ TPS(out_used) = 0;
+ len2 = strlen(cp);
+
+ /*
+ * Find the highest parameter-number referred to in the format string.
+ * Use this value to limit the number of arguments copied from the
+ * variable-length argument list.
+ */
+ number = _nc_tparm_analyze(cp, p_is_s, &popcount);
+ if (TPS(fmt_buff) == 0)
+ return NULL;
+
for (i = 0; i < max(popcount, number); i++) {
/*
* A few caps (such as plab_norm) have string-valued parms.
if (p_is_s[i] != 0) {
p_is_s[i] = va_arg(ap, char *);
} else {
- param[i] = va_arg(ap, long int);
+ param[i] = va_arg(ap, TPARM_ARG);
}
}
* the expansion of (for example) \E[%d;%dH work correctly in termcap
* style, which means tparam() will expand termcap strings OK.
*/
- stack_ptr = 0;
+ TPS(stack_ptr) = 0;
if (popcount == 0) {
popcount = number;
for (i = number - 1; i >= 0; i--)
else
save_number(", %d", param[i], 0);
}
- _tracef(T_CALLED("%s(%s%s)"), tname, _nc_visbuf(string), out_buff);
- out_used = 0;
+ _tracef(T_CALLED("%s(%s%s)"), TPS(tname), _nc_visbuf(cp), TPS(out_buff));
+ TPS(out_used) = 0;
}
#endif /* TRACE */
- while (*string) {
- if (*string != '%') {
- save_char(*string);
+ while ((cp - string) < (int) len2) {
+ if (*cp != '%') {
+ save_char(UChar(*cp));
} else {
- tparam_base = string++;
- string = parse_format(string, format, &len);
- switch (*string) {
+ TPS(tparam_base) = cp++;
+ cp = parse_format(cp, TPS(fmt_buff), &len);
+ switch (*cp) {
default:
break;
case '%':
case 'o': /* FALLTHRU */
case 'x': /* FALLTHRU */
case 'X': /* FALLTHRU */
- save_number(format, npop(), len);
+ save_number(TPS(fmt_buff), npop(), len);
break;
case 'c': /* FALLTHRU */
break;
case 's':
- save_text(format, spop(), len);
+ save_text(TPS(fmt_buff), spop(), len);
break;
case 'p':
- string++;
- i = (*string - '1');
- if (i >= 0 && i < 9) {
+ cp++;
+ i = (UChar(*cp) - '1');
+ if (i >= 0 && i < NUM_PARM) {
if (p_is_s[i])
spush(p_is_s[i]);
else
break;
case 'P':
- string++;
- if (isUPPER(*string)) {
- i = (*string - 'A');
- static_vars[i] = npop();
- } else if (isLOWER(*string)) {
- i = (*string - 'a');
- dynamic_var[i] = npop();
+ cp++;
+ if (isUPPER(*cp)) {
+ i = (UChar(*cp) - 'A');
+ TPS(static_vars)[i] = npop();
+ } else if (isLOWER(*cp)) {
+ i = (UChar(*cp) - 'a');
+ TPS(dynamic_var)[i] = npop();
}
break;
case 'g':
- string++;
- if (isUPPER(*string)) {
- i = (*string - 'A');
- npush(static_vars[i]);
- } else if (isLOWER(*string)) {
- i = (*string - 'a');
- npush(dynamic_var[i]);
+ cp++;
+ if (isUPPER(*cp)) {
+ i = (UChar(*cp) - 'A');
+ npush(TPS(static_vars)[i]);
+ } else if (isLOWER(*cp)) {
+ i = (UChar(*cp) - 'a');
+ npush(TPS(dynamic_var)[i]);
}
break;
case S_QUOTE:
- string++;
- npush(*string);
- string++;
+ cp++;
+ npush(UChar(*cp));
+ cp++;
break;
case L_BRACE:
number = 0;
- string++;
- while (*string >= '0' && *string <= '9') {
- number = number * 10 + *string - '0';
- string++;
+ cp++;
+ while (isdigit(UChar(*cp))) {
+ number = (number * 10) + (UChar(*cp) - '0');
+ cp++;
}
npush(number);
break;
x = npop();
if (!x) {
/* scan forward for %e or %; at level zero */
- string++;
+ cp++;
level = 0;
- while (*string) {
- if (*string == '%') {
- string++;
- if (*string == '?')
+ while (*cp) {
+ if (*cp == '%') {
+ cp++;
+ if (*cp == '?')
level++;
- else if (*string == ';') {
+ else if (*cp == ';') {
if (level > 0)
level--;
else
break;
- } else if (*string == 'e' && level == 0)
+ } else if (*cp == 'e' && level == 0)
break;
}
- if (*string)
- string++;
+ if (*cp)
+ cp++;
}
}
break;
case 'e':
/* scan forward for a %; at level zero */
- string++;
+ cp++;
level = 0;
- while (*string) {
- if (*string == '%') {
- string++;
- if (*string == '?')
+ while (*cp) {
+ if (*cp == '%') {
+ cp++;
+ if (*cp == '?')
level++;
- else if (*string == ';') {
+ else if (*cp == ';') {
if (level > 0)
level--;
else
}
}
- if (*string)
- string++;
+ if (*cp)
+ cp++;
}
break;
case ';':
break;
- } /* endswitch (*string) */
- } /* endelse (*string == '%') */
+ } /* endswitch (*cp) */
+ } /* endelse (*cp == '%') */
- if (*string == '\0')
+ if (*cp == '\0')
break;
- string++;
- } /* endwhile (*string) */
+ cp++;
+ } /* endwhile (*cp) */
get_space(1);
- out_buff[out_used] = '\0';
+ TPS(out_buff)[TPS(out_used)] = '\0';
- T((T_RETURN("%s"), _nc_visbuf(out_buff)));
- return (out_buff);
+ T((T_RETURN("%s"), _nc_visbuf(TPS(out_buff))));
+ return (TPS(out_buff));
}
+#if NCURSES_TPARM_VARARGS
+#define tparm_varargs tparm
+#else
+#define tparm_proto tparm
+#endif
+
NCURSES_EXPORT(char *)
-tparm(NCURSES_CONST char *string,...)
+tparm_varargs(NCURSES_CONST char *string,...)
{
va_list ap;
char *result;
_nc_tparm_err = 0;
va_start(ap, string);
#ifdef TRACE
- tname = "tparm";
+ TPS(tname) = "tparm";
#endif /* TRACE */
result = tparam_internal(string, ap);
va_end(ap);
return result;
}
+
+#if !NCURSES_TPARM_VARARGS
+NCURSES_EXPORT(char *)
+tparm_proto(NCURSES_CONST char *string,
+ TPARM_ARG a1,
+ TPARM_ARG a2,
+ TPARM_ARG a3,
+ TPARM_ARG a4,
+ TPARM_ARG a5,
+ TPARM_ARG a6,
+ TPARM_ARG a7,
+ TPARM_ARG a8,
+ TPARM_ARG a9)
+{
+ return tparm_varargs(string, a1, a2, a3, a4, a5, a6, a7, a8, a9);
+}
+#endif /* NCURSES_TPARM_VARARGS */