#include <curses.priv.h>
#include <ctype.h>
#include <tic.h>
#define __INTERNAL_CAPS_VISIBLE
#include <term_entry.h>
MODULE_ID("$Id: parse_entry.c,v 1.1.1.1 2001/11/29 20:40:58 jevans Exp $")
#ifdef LINT
static short const parametrized[] =
{0};
#else
#include <parametrized.h>
#endif
static void postprocess_termcap(TERMTYPE *, bool);
static void postprocess_terminfo(TERMTYPE *);
static struct name_table_entry const *lookup_fullname(const char *name);
#if NCURSES_XNAMES
static struct name_table_entry const *
_nc_extend_names(ENTRY * entryp, char *name, int token_type)
{
static struct name_table_entry temp;
TERMTYPE *tp = &(entryp->tterm);
unsigned offset = 0;
unsigned actual;
unsigned tindex;
unsigned first, last, n;
bool found;
switch (token_type) {
case BOOLEAN:
first = 0;
last = tp->ext_Booleans;
offset = tp->ext_Booleans;
tindex = tp->num_Booleans;
break;
case NUMBER:
first = tp->ext_Booleans;
last = tp->ext_Numbers + first;
offset = tp->ext_Booleans + tp->ext_Numbers;
tindex = tp->num_Numbers;
break;
case STRING:
first = tp->ext_Booleans + tp->ext_Numbers;
last = tp->ext_Strings + first;
offset = tp->ext_Booleans + tp->ext_Numbers + tp->ext_Strings;
tindex = tp->num_Strings;
break;
case CANCEL:
actual = NUM_EXT_NAMES(tp);
for (n = 0; n < actual; n++) {
if (!strcmp(name, tp->ext_Names[n])) {
if (n > (unsigned) (tp->ext_Booleans + tp->ext_Numbers)) {
token_type = STRING;
} else if (n > tp->ext_Booleans) {
token_type = NUMBER;
} else {
token_type = BOOLEAN;
}
return _nc_extend_names(entryp, name, token_type);
}
}
return _nc_extend_names(entryp, name, STRING);
default:
return 0;
}
for (n = first, found = FALSE; n < last; n++) {
int cmp = strcmp(tp->ext_Names[n], name);
if (cmp == 0)
found = TRUE;
if (cmp >= 0) {
offset = n;
tindex = n - first;
switch (token_type) {
case BOOLEAN:
tindex += BOOLCOUNT;
break;
case NUMBER:
tindex += NUMCOUNT;
break;
case STRING:
tindex += STRCOUNT;
break;
}
break;
}
}
if (!found) {
switch (token_type) {
case BOOLEAN:
tp->ext_Booleans += 1;
tp->num_Booleans += 1;
tp->Booleans = typeRealloc(char, tp->num_Booleans, tp->Booleans);
for (last = tp->num_Booleans - 1; last > tindex; last--)
tp->Booleans[last] = tp->Booleans[last - 1];
break;
case NUMBER:
tp->ext_Numbers += 1;
tp->num_Numbers += 1;
tp->Numbers = typeRealloc(short, tp->num_Numbers, tp->Numbers);
for (last = tp->num_Numbers - 1; last > tindex; last--)
tp->Numbers[last] = tp->Numbers[last - 1];
break;
case STRING:
tp->ext_Strings += 1;
tp->num_Strings += 1;
tp->Strings = typeRealloc(char *, tp->num_Strings, tp->Strings);
for (last = tp->num_Strings - 1; last > tindex; last--)
tp->Strings[last] = tp->Strings[last - 1];
break;
}
actual = NUM_EXT_NAMES(tp);
tp->ext_Names = typeRealloc(char *, actual, tp->ext_Names);
while (--actual > offset)
tp->ext_Names[actual] = tp->ext_Names[actual - 1];
tp->ext_Names[offset] = _nc_save_str(name);
}
temp.nte_name = tp->ext_Names[offset];
temp.nte_type = token_type;
temp.nte_index = tindex;
temp.nte_link = -1;
return &temp;
}
#endif
NCURSES_EXPORT(int)
_nc_parse_entry
(struct entry *entryp, int literal, bool silent)
{
int token_type;
struct name_table_entry const *entry_ptr;
char *ptr, *base;
token_type = _nc_get_token(silent);
if (token_type == EOF)
return (EOF);
if (token_type != NAMES)
_nc_err_abort("Entry does not start with terminal names in column one");
_nc_init_entry(&entryp->tterm);
entryp->cstart = _nc_comment_start;
entryp->cend = _nc_comment_end;
entryp->startline = _nc_start_line;
DEBUG(2, ("Comment range is %ld to %ld", entryp->cstart, entryp->cend));
ptr = _nc_curr_token.tk_name;
if (ptr[2] == '|') {
ptr = _nc_curr_token.tk_name + 3;
_nc_curr_token.tk_name[2] = '\0';
}
entryp->tterm.str_table = entryp->tterm.term_names = _nc_save_str(ptr);
DEBUG(1, ("Starting '%s'", ptr));
_nc_set_type(_nc_first_name(entryp->tterm.term_names));
for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != 0;
base = ptr + 1) {
if (ptr - base > MAX_ALIAS) {
_nc_warning("%s `%.*s' may be too long",
(base == entryp->tterm.term_names)
? "primary name"
: "alias",
ptr - base, base);
}
}
entryp->nuses = 0;
for (token_type = _nc_get_token(silent);
token_type != EOF && token_type != NAMES;
token_type = _nc_get_token(silent)) {
if (strcmp(_nc_curr_token.tk_name, "use") == 0
|| strcmp(_nc_curr_token.tk_name, "tc") == 0) {
entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring);
entryp->uses[entryp->nuses].line = _nc_curr_line;
entryp->nuses++;
} else {
entry_ptr = _nc_find_entry(_nc_curr_token.tk_name,
_nc_syntax ? _nc_cap_hash_table : _nc_info_hash_table);
if (entry_ptr == NOTFOUND) {
const struct alias *ap;
if (_nc_syntax == SYN_TERMCAP) {
for (ap = _nc_capalias_table; ap->from; ap++)
if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) {
if (ap->to == (char *) 0) {
_nc_warning("%s (%s termcap extension) ignored",
ap->from, ap->source);
goto nexttok;
}
entry_ptr = _nc_find_entry(ap->to, _nc_cap_hash_table);
if (entry_ptr && !silent)
_nc_warning("%s (%s termcap extension) aliased to %s",
ap->from, ap->source, ap->to);
break;
}
} else {
for (ap = _nc_infoalias_table; ap->from; ap++)
if (strcmp(ap->from, _nc_curr_token.tk_name) == 0) {
if (ap->to == (char *) 0) {
_nc_warning("%s (%s terminfo extension) ignored",
ap->from, ap->source);
goto nexttok;
}
entry_ptr = _nc_find_entry(ap->to, _nc_info_hash_table);
if (entry_ptr && !silent)
_nc_warning("%s (%s terminfo extension) aliased to %s",
ap->from, ap->source, ap->to);
break;
}
if (entry_ptr == NOTFOUND) {
entry_ptr = lookup_fullname(_nc_curr_token.tk_name);
}
}
}
#if NCURSES_XNAMES
if (entry_ptr == NOTFOUND
&& _nc_user_definable
&& (entry_ptr = _nc_extend_names(entryp,
_nc_curr_token.tk_name,
token_type)) != 0) {
if (_nc_tracing >= DEBUG_LEVEL(1))
_nc_warning("extended capability '%s'", _nc_curr_token.tk_name);
}
#endif
if (entry_ptr == NOTFOUND) {
if (!silent)
_nc_warning("unknown capability '%s'",
_nc_curr_token.tk_name);
continue;
}
if (token_type != CANCEL && entry_ptr->nte_type != token_type) {
if (token_type == NUMBER && !strcmp("ma", _nc_curr_token.tk_name))
entry_ptr = _nc_find_type_entry("ma", NUMBER,
_nc_get_table(_nc_syntax
!= 0));
else if (token_type == STRING && !strcmp("MT", _nc_curr_token.tk_name))
entry_ptr = _nc_find_type_entry("MT", STRING,
_nc_get_table(_nc_syntax
!= 0));
else if (token_type == BOOLEAN && entry_ptr->nte_type == STRING)
token_type = STRING;
else {
if (!silent) {
const char *type_name;
switch (entry_ptr->nte_type) {
case BOOLEAN:
type_name = "boolean";
break;
case STRING:
type_name = "string";
break;
case NUMBER:
type_name = "numeric";
break;
default:
type_name = "unknown";
break;
}
_nc_warning("wrong type used for %s capability '%s'",
type_name, _nc_curr_token.tk_name);
}
continue;
}
}
switch (token_type) {
case CANCEL:
switch (entry_ptr->nte_type) {
case BOOLEAN:
entryp->tterm.Booleans[entry_ptr->nte_index] = CANCELLED_BOOLEAN;
break;
case NUMBER:
entryp->tterm.Numbers[entry_ptr->nte_index] = CANCELLED_NUMERIC;
break;
case STRING:
entryp->tterm.Strings[entry_ptr->nte_index] = CANCELLED_STRING;
break;
}
break;
case BOOLEAN:
entryp->tterm.Booleans[entry_ptr->nte_index] = TRUE;
break;
case NUMBER:
entryp->tterm.Numbers[entry_ptr->nte_index] =
_nc_curr_token.tk_valnumber;
break;
case STRING:
ptr = _nc_curr_token.tk_valstring;
if (_nc_syntax == SYN_TERMCAP)
ptr = _nc_captoinfo(_nc_curr_token.tk_name,
ptr,
parametrized[entry_ptr->nte_index]);
entryp->tterm.Strings[entry_ptr->nte_index] = _nc_save_str(ptr);
break;
default:
if (!silent)
_nc_warning("unknown token type");
_nc_panic_mode((_nc_syntax == SYN_TERMCAP) ? ':' : ',');
continue;
}
}
nexttok:
continue;
}
_nc_push_token(token_type);
_nc_set_type(_nc_first_name(entryp->tterm.term_names));
if (!literal) {
if (_nc_syntax == SYN_TERMCAP) {
bool has_base_entry = FALSE;
int i;
if (strchr(entryp->tterm.term_names, '+'))
has_base_entry = TRUE;
else
for (i = 0; i < entryp->nuses; i++)
if (!strchr((char *) entryp->uses[i].name, '+'))
has_base_entry = TRUE;
postprocess_termcap(&entryp->tterm, has_base_entry);
} else
postprocess_terminfo(&entryp->tterm);
}
_nc_wrap_entry(entryp, FALSE);
return (OK);
}
NCURSES_EXPORT(int)
_nc_capcmp(const char *s, const char *t)
{
if (!s && !t)
return (0);
else if (!s || !t)
return (1);
for (;;) {
if (s[0] == '$' && s[1] == '<') {
for (s += 2;; s++)
if (!(isdigit(UChar(*s))
|| *s == '.'
|| *s == '*'
|| *s == '/'
|| *s == '>'))
break;
}
if (t[0] == '$' && t[1] == '<') {
for (t += 2;; t++)
if (!(isdigit(UChar(*t))
|| *t == '.'
|| *t == '*'
|| *t == '/'
|| *t == '>'))
break;
}
if (*s == '\0' && *t == '\0')
return (0);
if (*s != *t)
return (*t - *s);
s++, t++;
}
}
static void
append_acs0(string_desc * dst, int code, int src)
{
if (src != 0) {
char temp[3];
temp[0] = code;
temp[1] = src;
temp[2] = 0;
_nc_safe_strcat(dst, temp);
}
}
static void
append_acs(string_desc * dst, int code, char *src)
{
if (src != 0 && strlen(src) == 1) {
append_acs0(dst, code, *src);
}
}
typedef struct {
const char *from;
const char *to;
} assoc;
static assoc const ko_xlate[] =
{
{"al", "kil1"},
{"bt", "kcbt"},
{"cd", "ked"},
{"ce", "kel"},
{"cl", "kclr"},
{"ct", "tbc"},
{"dc", "kdch1"},
{"dl", "kdl1"},
{"do", "kcud1"},
{"ei", "krmir"},
{"ho", "khome"},
{"ic", "kich1"},
{"im", "kIC"},
{"le", "kcub1"},
{"nd", "kcuf1"},
{"nl", "kent"},
{"st", "khts"},
{"ta", CANCELLED_STRING},
{"up", "kcuu1"},
{(char *) 0, (char *) 0},
};
static const char C_CR[] = "\r";
static const char C_LF[] = "\n";
static const char C_BS[] = "\b";
static const char C_HT[] = "\t";
#define WANTED(s) ((s) == ABSENT_STRING)
#define PRESENT(s) (((s) != ABSENT_STRING) && ((s) != CANCELLED_STRING))
#undef CUR
#define CUR tp->
static void
postprocess_termcap(TERMTYPE * tp, bool has_base)
{
char buf[MAX_LINE * 2 + 2];
string_desc result;
if (!has_base) {
if (WANTED(init_3string) && termcap_init2)
init_3string = _nc_save_str(termcap_init2);
if (WANTED(reset_2string) && termcap_reset)
reset_2string = _nc_save_str(termcap_reset);
if (WANTED(carriage_return)) {
if (carriage_return_delay > 0) {
sprintf(buf, "%s$<%d>", C_CR, carriage_return_delay);
carriage_return = _nc_save_str(buf);
} else
carriage_return = _nc_save_str(C_CR);
}
if (WANTED(cursor_left)) {
if (backspace_delay > 0) {
sprintf(buf, "%s$<%d>", C_BS, backspace_delay);
cursor_left = _nc_save_str(buf);
} else if (backspaces_with_bs == 1)
cursor_left = _nc_save_str(C_BS);
else if (PRESENT(backspace_if_not_bs))
cursor_left = backspace_if_not_bs;
}
if (WANTED(cursor_down)) {
if (PRESENT(linefeed_if_not_lf))
cursor_down = linefeed_if_not_lf;
else if (linefeed_is_newline != 1) {
if (new_line_delay > 0) {
sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
cursor_down = _nc_save_str(buf);
} else
cursor_down = _nc_save_str(C_LF);
}
}
if (WANTED(scroll_forward) && crt_no_scrolling != 1) {
if (PRESENT(linefeed_if_not_lf))
cursor_down = linefeed_if_not_lf;
else if (linefeed_is_newline != 1) {
if (new_line_delay > 0) {
sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
scroll_forward = _nc_save_str(buf);
} else
scroll_forward = _nc_save_str(C_LF);
}
}
if (WANTED(newline)) {
if (linefeed_is_newline == 1) {
if (new_line_delay > 0) {
sprintf(buf, "%s$<%d>", C_LF, new_line_delay);
newline = _nc_save_str(buf);
} else
newline = _nc_save_str(C_LF);
} else if (PRESENT(carriage_return) && PRESENT(scroll_forward)) {
_nc_str_init(&result, buf, sizeof(buf));
if (_nc_safe_strcat(&result, carriage_return)
&& _nc_safe_strcat(&result, scroll_forward))
newline = _nc_save_str(buf);
} else if (PRESENT(carriage_return) && PRESENT(cursor_down)) {
_nc_str_init(&result, buf, sizeof(buf));
if (_nc_safe_strcat(&result, carriage_return)
&& _nc_safe_strcat(&result, cursor_down))
newline = _nc_save_str(buf);
}
}
}
if (!has_base) {
if (return_does_clr_eol == 1 || no_correctly_working_cr == 1)
carriage_return = ABSENT_STRING;
if (WANTED(tab)) {
if (horizontal_tab_delay > 0) {
sprintf(buf, "%s$<%d>", C_HT, horizontal_tab_delay);
tab = _nc_save_str(buf);
} else
tab = _nc_save_str(C_HT);
}
if (init_tabs == ABSENT_NUMERIC && has_hardware_tabs == TRUE)
init_tabs = 8;
if (WANTED(bell))
bell = _nc_save_str("\007");
}
if (has_hardware_tabs == TRUE) {
if (init_tabs != 8 && init_tabs != ABSENT_NUMERIC)
_nc_warning("hardware tabs with a width other than 8: %d", init_tabs);
else {
if (tab && _nc_capcmp(tab, C_HT))
_nc_warning("hardware tabs with a non-^I tab string %s",
_nc_visbuf(tab));
else {
if (WANTED(tab))
tab = _nc_save_str(C_HT);
init_tabs = 8;
}
}
}
if (PRESENT(other_non_function_keys)) {
char *base = other_non_function_keys;
char *bp, *cp, *dp;
struct name_table_entry const *from_ptr;
struct name_table_entry const *to_ptr;
assoc const *ap;
char buf2[MAX_TERMINFO_LENGTH];
bool foundim;
dp = strchr(other_non_function_keys, 'i');
foundim = (dp != 0) && (dp[1] == 'm');
for (base = other_non_function_keys;
(cp = strchr(base, ',')) != 0;
base = cp + 1) {
size_t len = cp - base;
for (ap = ko_xlate; ap->from; ap++)
if (len == strlen(ap->from)
&& strncmp(ap->from, base, len) == 0)
break;
if (!ap->to) {
_nc_warning("unknown capability `%.*s' in ko string",
(int) len, base);
continue;
} else if (ap->to == CANCELLED_STRING)
continue;
from_ptr = _nc_find_entry(ap->from, _nc_cap_hash_table);
to_ptr = _nc_find_entry(ap->to, _nc_info_hash_table);
if (!from_ptr || !to_ptr)
_nc_err_abort("ko translation table is invalid, I give up");
if (WANTED(tp->Strings[from_ptr->nte_index])) {
_nc_warning("no value for ko capability %s", ap->from);
continue;
}
if (tp->Strings[to_ptr->nte_index]) {
if (strcmp(
tp->Strings[from_ptr->nte_index],
tp->Strings[to_ptr->nte_index]) != 0)
_nc_warning("%s (%s) already has an explicit value %s, ignoring ko",
ap->to, ap->from,
_nc_visbuf(tp->Strings[to_ptr->nte_index]));
continue;
}
for (dp = buf2, bp = tp->Strings[from_ptr->nte_index]; *bp; bp++) {
if (bp[0] == '$' && bp[1] == '<') {
while (*bp && *bp != '>') {
++bp;
}
} else
*dp++ = *bp;
}
*dp++ = '\0';
tp->Strings[to_ptr->nte_index] = _nc_save_str(buf2);
}
if (foundim && WANTED(key_ic) && key_sic) {
key_ic = key_sic;
key_sic = ABSENT_STRING;
}
}
if (!has_base) {
if (!hard_copy) {
if (WANTED(key_backspace))
key_backspace = _nc_save_str(C_BS);
if (WANTED(key_left))
key_left = _nc_save_str(C_BS);
if (WANTED(key_down))
key_down = _nc_save_str(C_LF);
}
}
if (PRESENT(acs_ulcorner) ||
PRESENT(acs_llcorner) ||
PRESENT(acs_urcorner) ||
PRESENT(acs_lrcorner) ||
PRESENT(acs_ltee) ||
PRESENT(acs_rtee) ||
PRESENT(acs_btee) ||
PRESENT(acs_ttee) ||
PRESENT(acs_hline) ||
PRESENT(acs_vline) ||
PRESENT(acs_plus)) {
char buf2[MAX_TERMCAP_LENGTH];
_nc_str_init(&result, buf2, sizeof(buf2));
_nc_safe_strcat(&result, acs_chars);
append_acs(&result, 'j', acs_lrcorner);
append_acs(&result, 'k', acs_urcorner);
append_acs(&result, 'l', acs_ulcorner);
append_acs(&result, 'm', acs_llcorner);
append_acs(&result, 'n', acs_plus);
append_acs(&result, 'q', acs_hline);
append_acs(&result, 't', acs_ltee);
append_acs(&result, 'u', acs_rtee);
append_acs(&result, 'v', acs_btee);
append_acs(&result, 'w', acs_ttee);
append_acs(&result, 'x', acs_vline);
if (buf2[0]) {
acs_chars = _nc_save_str(buf2);
_nc_warning("acsc string synthesized from XENIX capabilities");
}
} else if (acs_chars == 0
&& enter_alt_charset_mode != 0
&& exit_alt_charset_mode != 0) {
acs_chars =
_nc_save_str("``aaffggiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~");
}
}
static void
postprocess_terminfo(TERMTYPE * tp)
{
if (PRESENT(box_chars_1)) {
char buf2[MAX_TERMCAP_LENGTH];
string_desc result;
_nc_str_init(&result, buf2, sizeof(buf2));
_nc_safe_strcat(&result, acs_chars);
append_acs0(&result, 'l', box_chars_1[0]);
append_acs0(&result, 'q', box_chars_1[1]);
append_acs0(&result, 'k', box_chars_1[2]);
append_acs0(&result, 'x', box_chars_1[3]);
append_acs0(&result, 'j', box_chars_1[4]);
append_acs0(&result, 'm', box_chars_1[5]);
append_acs0(&result, 'w', box_chars_1[6]);
append_acs0(&result, 'u', box_chars_1[7]);
append_acs0(&result, 'v', box_chars_1[8]);
append_acs0(&result, 't', box_chars_1[9]);
append_acs0(&result, 'n', box_chars_1[10]);
if (buf2[0]) {
acs_chars = _nc_save_str(buf2);
_nc_warning("acsc string synthesized from AIX capabilities");
box_chars_1 = ABSENT_STRING;
}
}
}
static struct name_table_entry const *
lookup_fullname(const char *find)
{
int state = -1;
for (;;) {
int count = 0;
NCURSES_CONST char *const *names;
switch (++state) {
case BOOLEAN:
names = boolfnames;
break;
case STRING:
names = strfnames;
break;
case NUMBER:
names = numfnames;
break;
default:
return NOTFOUND;
}
for (count = 0; names[count] != 0; count++) {
if (!strcmp(names[count], find)) {
struct name_table_entry const *entry_ptr = _nc_get_table(FALSE);
while (entry_ptr->nte_type != state
|| entry_ptr->nte_index != count)
entry_ptr++;
return entry_ptr;
}
}
}
}