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Diffstat (limited to 'ncurses/tinfo/comp_parse.c')
-rw-r--r--ncurses/tinfo/comp_parse.c187
1 files changed, 155 insertions, 32 deletions
diff --git a/ncurses/tinfo/comp_parse.c b/ncurses/tinfo/comp_parse.c
index 8204d75a8193..82a61a52e35d 100644
--- a/ncurses/tinfo/comp_parse.c
+++ b/ncurses/tinfo/comp_parse.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2012,2013 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 *
@@ -35,15 +35,10 @@
/*
* comp_parse.c -- parser driver loop and use handling.
*
- * _nc_read_entry_source(FILE *, literal, bool, bool (*hook)())
- * _nc_resolve_uses2(void)
- * _nc_free_entries(void)
- *
* Use this code by calling _nc_read_entry_source() on as many source
* files as you like (either terminfo or termcap syntax). If you
* want use-resolution, call _nc_resolve_uses2(). To free the list
* storage, do _nc_free_entries().
- *
*/
#include <curses.priv.h>
@@ -52,7 +47,7 @@
#include <tic.h>
-MODULE_ID("$Id: comp_parse.c,v 1.73 2010/12/25 23:06:37 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.90 2013/08/31 15:22:31 tom Exp $")
static void sanity_check2(TERMTYPE *, bool);
NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE *, bool) = sanity_check2;
@@ -61,6 +56,8 @@ NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE *, bool) = sanit
static void sanity_check(TERMTYPE *);
NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype) (TERMTYPE *) = sanity_check;
+static void fixup_acsc(TERMTYPE *, int);
+
static void
enqueue(ENTRY * ep)
/* add an entry to the in-core list */
@@ -86,16 +83,28 @@ force_bar(char *dst, char *src)
if (len > MAX_NAME_SIZE)
len = MAX_NAME_SIZE;
(void) strncpy(dst, src, len);
- (void) strcpy(dst + len, "|");
+ _nc_STRCPY(dst + len, "|", MAX_NAME_SIZE);
src = dst;
}
return src;
}
#define ForceBar(dst, src) ((strchr(src, '|') == 0) ? force_bar(dst, src) : src)
-NCURSES_EXPORT(bool)
-_nc_entry_match(char *n1, char *n2)
-/* do any of the aliases in a pair of terminal names match? */
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+static char *
+skip_index(char *name)
+{
+ char *bar = strchr(name, '|');
+
+ if (bar != 0 && (bar - name) == 2)
+ name = bar + 1;
+
+ return name;
+}
+#endif
+
+static bool
+check_collisions(char *n1, char *n2, int counter)
{
char *pstart, *qstart, *pend, *qend;
char nc1[MAX_NAME_SIZE + 2];
@@ -104,15 +113,95 @@ _nc_entry_match(char *n1, char *n2)
n1 = ForceBar(nc1, n1);
n2 = ForceBar(nc2, n2);
- for (pstart = n1; (pend = strchr(pstart, '|')); pstart = pend + 1)
- for (qstart = n2; (qend = strchr(qstart, '|')); qstart = qend + 1)
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+ if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) {
+ n1 = skip_index(n1);
+ n2 = skip_index(n2);
+ }
+#endif
+
+ for (pstart = n1; (pend = strchr(pstart, '|')); pstart = pend + 1) {
+ for (qstart = n2; (qend = strchr(qstart, '|')); qstart = qend + 1) {
if ((pend - pstart == qend - qstart)
- && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0)
+ && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0) {
+ if (counter > 0)
+ (void) fprintf(stderr, "Name collision '%.*s' between\n",
+ (int) (pend - pstart), pstart);
return (TRUE);
+ }
+ }
+ }
return (FALSE);
}
+static char *
+next_name(char *name)
+{
+ if (*name != '\0')
+ ++name;
+ return name;
+}
+
+static char *
+name_ending(char *name)
+{
+ if (*name == '\0') {
+ name = 0;
+ } else {
+ while (*name != '\0' && *name != '|')
+ ++name;
+ }
+ return name;
+}
+
+/*
+ * Essentially, find the conflict reported in check_collisions() and remove
+ * it from the second name, unless that happens to be the last alias.
+ */
+static bool
+remove_collision(char *n1, char *n2)
+{
+ char *p2 = n2;
+ char *pstart, *qstart, *pend, *qend;
+ bool removed = FALSE;
+
+#if NCURSES_USE_TERMCAP && NCURSES_XNAMES
+ if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) {
+ n1 = skip_index(n1);
+ p2 = n2 = skip_index(n2);
+ }
+#endif
+
+ for (pstart = n1; (pend = name_ending(pstart)); pstart = next_name(pend)) {
+ for (qstart = n2; (qend = name_ending(qstart)); qstart = next_name(qend)) {
+ if ((pend - pstart == qend - qstart)
+ && memcmp(pstart, qstart, (size_t) (pend - pstart)) == 0) {
+ if (qstart != p2 || *qend == '|') {
+ if (*qend == '|')
+ ++qend;
+ while ((*qstart++ = *qend++) != '\0') ;
+ fprintf(stderr, "...now\t%s\n", p2);
+ } else {
+ fprintf(stderr, "Cannot remove alias '%.*s'\n",
+ (int) (qend - qstart), qstart);
+ }
+ removed = TRUE;
+ break;
+ }
+ }
+ }
+
+ return removed;
+}
+
+/* do any of the aliases in a pair of terminal names match? */
+NCURSES_EXPORT(bool)
+_nc_entry_match(char *n1, char *n2)
+{
+ return check_collisions(n1, n2, 0);
+}
+
/****************************************************************************
*
* Entry compiler and resolution logic
@@ -198,19 +287,19 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
for_entry_list(rp) {
if (qp > rp
- && _nc_entry_match(qp->tterm.term_names, rp->tterm.term_names)) {
- matchcount++;
- if (matchcount == 1) {
- (void) fprintf(stderr, "Name collision between %s",
- _nc_first_name(qp->tterm.term_names));
- multiples++;
+ && check_collisions(qp->tterm.term_names,
+ rp->tterm.term_names,
+ matchcount + 1)) {
+ if (!matchcount++) {
+ (void) fprintf(stderr, "\t%s\n", rp->tterm.term_names);
+ }
+ (void) fprintf(stderr, "and\t%s\n", qp->tterm.term_names);
+ if (!remove_collision(rp->tterm.term_names,
+ qp->tterm.term_names)) {
+ ++multiples;
}
- if (matchcount >= 1)
- (void) fprintf(stderr, " %s", _nc_first_name(rp->tterm.term_names));
}
}
- if (matchcount >= 1)
- (void) putc('\n', stderr);
}
if (multiples > 0)
return (FALSE);
@@ -256,9 +345,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
DEBUG(2, ("%s: resolving use=%s (compiled)",
child, lookfor));
- rp = typeMalloc(ENTRY, 1);
- if (rp == 0)
- _nc_err_abort(MSG_NO_MEMORY);
+ TYPE_MALLOC(ENTRY, 1, rp);
rp->tterm = thisterm;
rp->nuses = 0;
rp->next = lastread;
@@ -378,7 +465,34 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
for_entry_list(qp) {
_nc_curr_line = (int) qp->startline;
_nc_set_type(_nc_first_name(qp->tterm.term_names));
- _nc_check_termtype2(&qp->tterm, literal);
+ /*
+ * tic overrides this function pointer to provide more verbose
+ * checking.
+ */
+ if (_nc_check_termtype2 != sanity_check2) {
+ SCREEN *save_SP = SP;
+ SCREEN fake_sp;
+ TERMINAL fake_tm;
+ TERMINAL *save_tm = cur_term;
+
+ /*
+ * Setup so that tic can use ordinary terminfo interface
+ * to obtain capability information.
+ */
+ memset(&fake_sp, 0, sizeof(fake_sp));
+ memset(&fake_tm, 0, sizeof(fake_tm));
+ fake_sp._term = &fake_tm;
+ fake_tm.type = qp->tterm;
+ _nc_set_screen(&fake_sp);
+ set_curterm(&fake_tm);
+
+ _nc_check_termtype2(&qp->tterm, literal);
+
+ _nc_set_screen(save_SP);
+ set_curterm(save_tm);
+ } else {
+ fixup_acsc(&qp->tterm, literal);
+ }
}
DEBUG(2, ("SANITY CHECK FINISHED"));
}
@@ -403,6 +517,17 @@ _nc_resolve_uses(bool fullresolve)
#define CUR tp->
static void
+fixup_acsc(TERMTYPE *tp, int literal)
+{
+ if (!literal) {
+ if (acs_chars == 0
+ && enter_alt_charset_mode != 0
+ && exit_alt_charset_mode != 0)
+ acs_chars = strdup(VT_ACSC);
+ }
+}
+
+static void
sanity_check2(TERMTYPE *tp, bool literal)
{
if (!PRESENT(exit_attribute_mode)) {
@@ -422,16 +547,14 @@ sanity_check2(TERMTYPE *tp, bool literal)
#endif /* __UNUSED__ */
PAIRED(enter_standout_mode, exit_standout_mode);
PAIRED(enter_underline_mode, exit_underline_mode);
+ PAIRED(enter_italics_mode, exit_italics_mode);
}
/* we do this check/fix in postprocess_termcap(), but some packagers
* prefer to bypass it...
*/
if (!literal) {
- if (acs_chars == 0
- && enter_alt_charset_mode != 0
- && exit_alt_charset_mode != 0)
- acs_chars = strdup(VT_ACSC);
+ fixup_acsc(tp, literal);
ANDMISSING(enter_alt_charset_mode, acs_chars);
ANDMISSING(exit_alt_charset_mode, acs_chars);
}