diff options
Diffstat (limited to 'ncurses-5.3/ncurses/tinfo/captoinfo.c')
| -rw-r--r-- | ncurses-5.3/ncurses/tinfo/captoinfo.c | 836 |
1 files changed, 0 insertions, 836 deletions
diff --git a/ncurses-5.3/ncurses/tinfo/captoinfo.c b/ncurses-5.3/ncurses/tinfo/captoinfo.c deleted file mode 100644 index 639a1ac..0000000 --- a/ncurses-5.3/ncurses/tinfo/captoinfo.c +++ /dev/null @@ -1,836 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2001,2002 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 * - * "Software"), to deal in the Software without restriction, including * - * without limitation the rights to use, copy, modify, merge, publish, * - * distribute, distribute with modifications, sublicense, and/or sell * - * copies of the Software, and to permit persons to whom the Software is * - * furnished to do so, subject to the following conditions: * - * * - * The above copyright notice and this permission notice shall be included * - * in all copies or substantial portions of the Software. * - * * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * - * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * - * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * - * * - * Except as contained in this notice, the name(s) of the above copyright * - * holders shall not be used in advertising or otherwise to promote the * - * sale, use or other dealings in this Software without prior written * - * authorization. * - ****************************************************************************/ - -/**************************************************************************** - * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * - * and: Eric S. Raymond <esr@snark.thyrsus.com> * - ****************************************************************************/ - -/* - * captoinfo.c --- conversion between termcap and terminfo formats - * - * The captoinfo() code was swiped from Ross Ridge's mytinfo package, - * adapted to fit ncurses by Eric S. Raymond <esr@snark.thyrsus.com>. - * - * There is just one entry point: - * - * char *_nc_captoinfo(n, s, parametrized) - * - * Convert value s for termcap string capability named n into terminfo - * format. - * - * This code recognizes all the standard 4.4BSD %-escapes: - * - * %% output `%' - * %d output value as in printf %d - * %2 output value as in printf %2d - * %3 output value as in printf %3d - * %. output value as in printf %c - * %+x add x to value, then do %. - * %>xy if value > x then add y, no output - * %r reverse order of two parameters, no output - * %i increment by one, no output - * %n exclusive-or all parameters with 0140 (Datamedia 2500) - * %B BCD (16*(value/10)) + (value%10), no output - * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). - * - * Also, %02 and %03 are accepted as synonyms for %2 and %3. - * - * Besides all the standard termcap escapes, this translator understands - * the following extended escapes: - * - * used by GNU Emacs termcap libraries - * %a[+*-/=][cp]x GNU arithmetic. - * %m xor the first two parameters by 0177 - * %b backup to previous parameter - * %f skip this parameter - * - * used by the University of Waterloo (MFCF) termcap libraries - * %-x subtract parameter FROM char x and output it as a char - * %ax add the character x to parameter - * - * If #define WATERLOO is on, also enable these translations: - * - * %sx subtract parameter FROM the character x - * - * By default, this Waterloo translations are not compiled in, because - * the Waterloo %s conflicts with the way terminfo uses %s in strings for - * function programming. - * - * Note the two definitions of %a: the GNU definition is translated if the - * characters after the 'a' are valid for it, otherwise the UW definition - * is translated. - */ - -#include <curses.priv.h> - -#include <ctype.h> -#include <tic.h> - -MODULE_ID("$Id$") - -#define MAX_PUSHED 16 /* max # args we can push onto the stack */ - -static int stack[MAX_PUSHED]; /* the stack */ -static int stackptr; /* the next empty place on the stack */ -static int onstack; /* the top of stack */ -static int seenm; /* seen a %m */ -static int seenn; /* seen a %n */ -static int seenr; /* seen a %r */ -static int param; /* current parameter */ -static char *dp; /* pointer to end of the converted string */ - -static char *my_string; -static size_t my_length; - -static char * -init_string(void) -/* initialize 'my_string', 'my_length' */ -{ - if (my_string == 0) - my_string = typeMalloc(char, my_length = 256); - if (my_string == 0) - _nc_err_abort(MSG_NO_MEMORY); - - *my_string = '\0'; - return my_string; -} - -static char * -save_string(char *d, const char *const s) -{ - size_t have = (d - my_string); - size_t need = have + strlen(s) + 2; - if (need > my_length) { - my_string = (char *) realloc(my_string, my_length = (need + need)); - if (my_string == 0) - _nc_err_abort(MSG_NO_MEMORY); - d = my_string + have; - } - (void) strcpy(d, s); - return d + strlen(d); -} - -static inline char * -save_char(char *s, int c) -{ - static char temp[2]; - temp[0] = (char) c; - return save_string(s, temp); -} - -static void -push(void) -/* push onstack on to the stack */ -{ - if (stackptr > MAX_PUSHED) - _nc_warning("string too complex to convert"); - else - stack[stackptr++] = onstack; -} - -static void -pop(void) -/* pop the top of the stack into onstack */ -{ - if (stackptr == 0) { - if (onstack == 0) - _nc_warning("I'm confused"); - else - onstack = 0; - } else - onstack = stack[--stackptr]; - param++; -} - -static int -cvtchar(register const char *sp) -/* convert a character to a terminfo push */ -{ - unsigned char c = 0; - int len; - - switch (*sp) { - case '\\': - switch (*++sp) { - case '\'': - case '$': - case '\\': - case '%': - c = *sp; - len = 2; - break; - case '\0': - c = '\\'; - len = 1; - break; - case '0': - case '1': - case '2': - case '3': - len = 1; - while (isdigit(UChar(*sp))) { - c = 8 * c + (*sp++ - '0'); - len++; - } - break; - default: - c = *sp; - len = 2; - break; - } - break; - case '^': - c = (*++sp & 0x1f); - len = 2; - break; - default: - c = *sp; - len = 1; - } - if (isgraph(c) && c != ',' && c != '\'' && c != '\\' && c != ':') { - dp = save_string(dp, "%\'"); - dp = save_char(dp, c); - dp = save_char(dp, '\''); - } else { - dp = save_string(dp, "%{"); - if (c > 99) - dp = save_char(dp, c / 100 + '0'); - if (c > 9) - dp = save_char(dp, ((int) (c / 10)) % 10 + '0'); - dp = save_char(dp, c % 10 + '0'); - dp = save_char(dp, '}'); - } - return len; -} - -static void -getparm(int parm, int n) -/* push n copies of param on the terminfo stack if not already there */ -{ - if (seenr) { - if (parm == 1) - parm = 2; - else if (parm == 2) - parm = 1; - } - if (onstack == parm) { - if (n > 1) { - _nc_warning("string may not be optimal"); - dp = save_string(dp, "%Pa"); - while (n--) { - dp = save_string(dp, "%ga"); - } - } - return; - } - if (onstack != 0) - push(); - - onstack = parm; - - while (n--) { - dp = save_string(dp, "%p"); - dp = save_char(dp, '0' + parm); - } - - if (seenn && parm < 3) { - dp = save_string(dp, "%{96}%^"); - } - - if (seenm && parm < 3) { - dp = save_string(dp, "%{127}%^"); - } -} - -/* - * Convert a termcap string to terminfo format. - * 'cap' is the relevant terminfo capability index. - * 's' is the string value of the capability. - * 'parametrized' tells what type of translations to do: - * % translations if 1 - * pad translations if >=0 - */ -char * -_nc_captoinfo(const char *cap, const char *s, int const parametrized) -{ - const char *capstart; - - stackptr = 0; - onstack = 0; - seenm = 0; - seenn = 0; - seenr = 0; - param = 1; - - dp = init_string(); - - /* skip the initial padding (if we haven't been told not to) */ - capstart = 0; - if (s == 0) - s = ""; - if (parametrized >= 0 && isdigit(UChar(*s))) - for (capstart = s;; s++) - if (!(isdigit(UChar(*s)) || *s == '*' || *s == '.')) - break; - - while (*s != '\0') { - switch (*s) { - case '%': - s++; - if (parametrized < 1) { - dp = save_char(dp, '%'); - break; - } - switch (*s++) { - case '%': - dp = save_char(dp, '%'); - break; - case 'r': - if (seenr++ == 1) { - _nc_warning("saw %%r twice in %s", cap); - } - break; - case 'm': - if (seenm++ == 1) { - _nc_warning("saw %%m twice in %s", cap); - } - break; - case 'n': - if (seenn++ == 1) { - _nc_warning("saw %%n twice in %s", cap); - } - break; - case 'i': - dp = save_string(dp, "%i"); - break; - case '6': - case 'B': - getparm(param, 1); - dp = save_string(dp, "%{10}%/%{16}%*"); - getparm(param, 1); - dp = save_string(dp, "%{10}%m%+"); - break; - case '8': - case 'D': - getparm(param, 2); - dp = save_string(dp, "%{2}%*%-"); - break; - case '>': - getparm(param, 2); - /* %?%{x}%>%t%{y}%+%; */ - dp = save_string(dp, "%?"); - s += cvtchar(s); - dp = save_string(dp, "%>%t"); - s += cvtchar(s); - dp = save_string(dp, "%+%;"); - break; - case 'a': - if ((*s == '=' || *s == '+' || *s == '-' - || *s == '*' || *s == '/') - && (s[1] == 'p' || s[1] == 'c') - && s[2] != '\0') { - int l; - l = 2; - if (*s != '=') - getparm(param, 1); - if (s[1] == 'p') { - getparm(param + s[2] - '@', 1); - if (param != onstack) { - pop(); - param--; - } - l++; - } else - l += cvtchar(s + 2); - switch (*s) { - case '+': - dp = save_string(dp, "%+"); - break; - case '-': - dp = save_string(dp, "%-"); - break; - case '*': - dp = save_string(dp, "%*"); - break; - case '/': - dp = save_string(dp, "%/"); - break; - case '=': - if (seenr) { - if (param == 1) - onstack = 2; - else if (param == 2) - onstack = 1; - else - onstack = param; - } else - onstack = param; - break; - } - s += l; - break; - } - getparm(param, 1); - s += cvtchar(s); - dp = save_string(dp, "%+"); - break; - case '+': - getparm(param, 1); - s += cvtchar(s); - dp = save_string(dp, "%+%c"); - pop(); - break; - case 's': -#ifdef WATERLOO - s += cvtchar(s); - getparm(param, 1); - dp = save_string(dp, "%-"); -#else - getparm(param, 1); - dp = save_string(dp, "%s"); - pop(); -#endif /* WATERLOO */ - break; - case '-': - s += cvtchar(s); - getparm(param, 1); - dp = save_string(dp, "%-%c"); - pop(); - break; - case '.': - getparm(param, 1); - dp = save_string(dp, "%c"); - pop(); - break; - case '0': /* not clear any of the historical termcaps did this */ - if (*s == '3') - goto see03; - else if (*s != '2') - goto invalid; - /* FALLTHRU */ - case '2': - getparm(param, 1); - dp = save_string(dp, "%2d"); - pop(); - break; - case '3': - see03: - getparm(param, 1); - dp = save_string(dp, "%3d"); - pop(); - break; - case 'd': - getparm(param, 1); - dp = save_string(dp, "%d"); - pop(); - break; - case 'f': - param++; - break; - case 'b': - param--; - break; - case '\\': - dp = save_string(dp, "%\\"); - break; - default: - invalid: - dp = save_char(dp, '%'); - s--; - _nc_warning("unknown %% code %s (%#x) in %s", - unctrl((chtype) *s), UChar(*s), cap); - break; - } - break; -#ifdef REVISIBILIZE - case '\\': - dp = save_char(dp, *s++); - dp = save_char(dp, *s++); - break; - case '\n': - dp = save_string(dp, "\\n"); - s++; - break; - case '\t': - dp = save_string(dp, "\\t"); - s++; - break; - case '\r': - dp = save_string(dp, "\\r"); - s++; - break; - case '\200': - dp = save_string(dp, "\\0"); - s++; - break; - case '\f': - dp = save_string(dp, "\\f"); - s++; - break; - case '\b': - dp = save_string(dp, "\\b"); - s++; - break; - case ' ': - dp = save_string(dp, "\\s"); - s++; - break; - case '^': - dp = save_string(dp, "\\^"); - s++; - break; - case ':': - dp = save_string(dp, "\\:"); - s++; - break; - case ',': - dp = save_string(dp, "\\,"); - s++; - break; - default: - if (*s == '\033') { - dp = save_string(dp, "\\E"); - s++; - } else if (*s > 0 && *s < 32) { - dp = save_char(dp, '^'); - dp = save_char(dp, *s + '@'); - s++; - } else if (*s <= 0 || *s >= 127) { - dp = save_char(dp, '\\'); - dp = save_char(dp, ((*s & 0300) >> 6) + '0'); - dp = save_char(dp, ((*s & 0070) >> 3) + '0'); - dp = save_char(dp, (*s & 0007) + '0'); - s++; - } else - dp = save_char(dp, *s++); - break; -#else - default: - dp = save_char(dp, *s++); - break; -#endif - } - } - - /* - * Now, if we stripped off some leading padding, add it at the end - * of the string as mandatory padding. - */ - if (capstart) { - dp = save_string(dp, "$<"); - for (s = capstart;; s++) - if (isdigit(UChar(*s)) || *s == '*' || *s == '.') - dp = save_char(dp, *s); - else - break; - dp = save_string(dp, "/>"); - } - - (void) save_char(dp, '\0'); - return (my_string); -} - -/* - * Check for an expression that corresponds to "%B" (BCD): - * (parameter / 10) * 16 + (parameter % 10) - */ -static int -bcd_expression(const char *str) -{ - /* leave this non-const for HPUX */ - static char fmt[] = "%%p%c%%{10}%%/%%{16}%%*%%p%c%%{10}%%m%%+"; - int len = 0; - char ch1, ch2; - - if (sscanf(str, fmt, &ch1, &ch2) == 2 - && isdigit(UChar(ch1)) - && isdigit(UChar(ch2)) - && (ch1 == ch2)) { - len = 28; -#ifndef NDEBUG - { - char buffer[80]; - int tst; - sprintf(buffer, fmt, ch1, ch2); - tst = strlen(buffer) - 1; - assert(len == tst); - } -#endif - } - return len; -} - -static char * -save_tc_char(char *bufptr, int c1) -{ - char temp[80]; - - if (is7bits(c1) && isprint(c1)) { - if (c1 == ':' || c1 == '\\') - bufptr = save_char(bufptr, '\\'); - bufptr = save_char(bufptr, c1); - } else { - if (c1 == (c1 & 0x1f)) /* iscntrl() returns T on 255 */ - (void) strcpy(temp, unctrl((chtype) c1)); - else - (void) sprintf(temp, "\\%03o", c1); - bufptr = save_string(bufptr, temp); - } - return bufptr; -} - -static char * -save_tc_inequality(char *bufptr, int c1, int c2) -{ - bufptr = save_string(bufptr, "%>"); - bufptr = save_tc_char(bufptr, c1); - bufptr = save_tc_char(bufptr, c2); - return bufptr; -} - -/* - * Here are the capabilities infotocap assumes it can translate to: - * - * %% output `%' - * %d output value as in printf %d - * %2 output value as in printf %2d - * %3 output value as in printf %3d - * %. output value as in printf %c - * %+c add character c to value, then do %. - * %>xy if value > x then add y, no output - * %r reverse order of two parameters, no output - * %i increment by one, no output - * %n exclusive-or all parameters with 0140 (Datamedia 2500) - * %B BCD (16*(value/10)) + (value%10), no output - * %D Reverse coding (value - 2*(value%16)), no output (Delta Data). - * %m exclusive-or all parameters with 0177 (not in 4.4BSD) - */ - -/* - * Convert a terminfo string to termcap format. Parameters are as in - * _nc_captoinfo(). - */ -char * -_nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parametrized) -{ - int seenone = 0, seentwo = 0, saw_m = 0, saw_n = 0; - const char *padding; - const char *trimmed = 0; - char ch1 = 0, ch2 = 0; - char *bufptr = init_string(); - int len; - bool syntax_error = FALSE; - - /* we may have to move some trailing mandatory padding up front */ - padding = str + strlen(str) - 1; - if (*padding == '>' && *--padding == '/') { - --padding; - while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') - padding--; - if (*padding == '<' && *--padding == '$') - trimmed = padding; - padding += 2; - - while (isdigit(UChar(*padding)) || *padding == '.' || *padding == '*') - bufptr = save_char(bufptr, *padding++); - } - - for (; *str && str != trimmed; str++) { - int c1, c2; - char *cp = 0; - - if (str[0] == '\\' && (str[1] == '^' || str[1] == ',')) { - bufptr = save_char(bufptr, *++str); - } else if (str[0] == '$' && str[1] == '<') { /* discard padding */ - str += 2; - while (isdigit(UChar(*str)) - || *str == '.' - || *str == '*' - || *str == '/' - || *str == '>') - str++; - --str; - } else if (str[0] == '%' && str[1] == '%') { /* escaped '%' */ - bufptr = save_string(bufptr, "%%"); - } else if (*str != '%' || (parametrized < 1)) { - bufptr = save_char(bufptr, *str); - } else if (sscanf(str, "%%?%%{%d}%%>%%t%%{%d}%%+%%;", &c1, &c2) == 2) { - str = strchr(str, ';'); - bufptr = save_tc_inequality(bufptr, c1, c2); - } else if (sscanf(str, "%%?%%{%d}%%>%%t%%'%c'%%+%%;", &c1, &ch2) == 2) { - str = strchr(str, ';'); - bufptr = save_tc_inequality(bufptr, c1, c2); - } else if (sscanf(str, "%%?%%'%c'%%>%%t%%{%d}%%+%%;", &ch1, &c2) == 2) { - str = strchr(str, ';'); - bufptr = save_tc_inequality(bufptr, c1, c2); - } else if (sscanf(str, "%%?%%'%c'%%>%%t%%'%c'%%+%%;", &ch1, &ch2) == 2) { - str = strchr(str, ';'); - bufptr = save_tc_inequality(bufptr, c1, c2); - } else if ((len = bcd_expression(str)) != 0) { - str += len; - bufptr = save_string(bufptr, "%B"); - } else if ((sscanf(str, "%%{%d}%%+%%c", &c1) == 1 - || sscanf(str, "%%'%c'%%+%%c", &ch1) == 1) - && (cp = strchr(str, '+'))) { - str = cp + 2; - bufptr = save_string(bufptr, "%+"); - - if (ch1) - c1 = ch1; - bufptr = save_tc_char(bufptr, c1); - } - /* FIXME: this "works" for 'delta' */ - else if (strncmp(str, "%{2}%*%-", 8) == 0) { - str += 7; - bufptr = save_string(bufptr, "%D"); - } else if (strncmp(str, "%{96}%^", 7) == 0) { - str += 6; - if (saw_m++ == 0) { - bufptr = save_string(bufptr, "%n"); - } - } else if (strncmp(str, "%{127}%^", 8) == 0) { - str += 7; - if (saw_n++ == 0) { - bufptr = save_string(bufptr, "%m"); - } - } else { /* cm-style format element */ - str++; - switch (*str) { - case '%': - bufptr = save_char(bufptr, '%'); - break; - - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - bufptr = save_char(bufptr, '%'); - while (isdigit(UChar(*str))) - bufptr = save_char(bufptr, *str++); - if (strchr("doxX.", *str)) { - if (*str != 'd') /* termcap doesn't have octal, hex */ - return 0; - } - break; - - case 'd': - bufptr = save_string(bufptr, "%d"); - break; - - case 'c': - bufptr = save_string(bufptr, "%."); - break; - - /* - * %s isn't in termcap, but it's convenient to pass it through - * so we can represent things like terminfo pfkey strings in - * termcap notation. - */ - case 's': - bufptr = save_string(bufptr, "%s"); - break; - - case 'p': - str++; - if (*str == '1') - seenone = 1; - else if (*str == '2') { - if (!seenone && !seentwo) { - bufptr = save_string(bufptr, "%r"); - seentwo++; - } - } else if (*str >= '3') - return (0); - break; - - case 'i': - bufptr = save_string(bufptr, "%i"); - break; - - default: - bufptr = save_char(bufptr, *str); - syntax_error = TRUE; - break; - } /* endswitch (*str) */ - } /* endelse (*str == '%') */ - - if (*str == '\0') - break; - - } /* endwhile (*str) */ - - return (syntax_error ? NULL : my_string); -} - -#ifdef MAIN - -int curr_line; - -int -main(int argc, char *argv[]) -{ - int c, tc = FALSE; - - while ((c = getopt(argc, argv, "c")) != EOF) - switch (c) { - case 'c': - tc = TRUE; - break; - } - - curr_line = 0; - for (;;) { - char buf[BUFSIZ]; - - ++curr_line; - if (fgets(buf, sizeof(buf), stdin) == 0) - break; - buf[strlen(buf) - 1] = '\0'; - _nc_set_source(buf); - - if (tc) { - char *cp = _nc_infotocap("to termcap", buf, 1); - - if (cp) - (void) fputs(cp, stdout); - } else - (void) fputs(_nc_captoinfo("to terminfo", buf, 1), stdout); - (void) putchar('\n'); - } - return (0); -} -#endif /* MAIN */ - -/* captoinfo.c ends here */ |