-/***************************************************************************
-* COPYRIGHT NOTICE *
-****************************************************************************
-* ncurses is copyright (C) 1992-1995 *
-* Zeyd M. Ben-Halim *
-* zmbenhal@netcom.com *
-* Eric S. Raymond *
-* esr@snark.thyrsus.com *
-* *
-* Permission is hereby granted to reproduce and distribute ncurses *
-* by any means and for any fee, whether alone or as part of a *
-* larger distribution, in source or in binary form, PROVIDED *
-* this notice is included with any such distribution, and is not *
-* removed from any of its header files. Mention of ncurses in any *
-* applications linked with it is highly appreciated. *
-* *
-* ncurses comes AS IS with no warranty, implied or expressed. *
-* *
-***************************************************************************/
+/****************************************************************************
+ * Copyright (c) 1998 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> *
+ ****************************************************************************/
/*
* comp_scan.c --- Lexical scanner for terminfo compiler.
#include <ctype.h>
#include <tic.h>
-MODULE_ID("$Id: comp_scan.c,v 1.21 1997/04/24 10:37:34 tom Exp $")
+MODULE_ID("$Id: comp_scan.c,v 1.30 1998/02/11 12:14:00 tom Exp $")
/*
* Maximum length of string capability we'll accept before raising an error.
#define iswhite(ch) (ch == ' ' || ch == '\t')
int _nc_syntax; /* termcap or terminfo? */
-int _nc_curr_line; /* current line # in input */
-int _nc_curr_col; /* current column # in input */
long _nc_curr_file_pos; /* file offset of current line */
long _nc_comment_start; /* start of comment range before name */
long _nc_comment_end; /* end of comment range before name */
static int next_char(void);
static long stream_pos(void);
static bool end_of_stream(void);
-static char trans_string(char *);
static void push_back(char c);
/* Assume we may be looking at a termcap-style continuation */
break;
case '=':
- ch = trans_string(ptr);
+ ch = _nc_trans_string(ptr);
if (ch != separator)
_nc_warning("Missing separator");
_nc_curr_token.tk_name = buffer;
*
*/
-static char
-trans_string(char *ptr)
+char
+_nc_trans_string(char *ptr)
{
int count = 0;
int number;
int i, c;
chtype ch, last_ch = '\0';
+bool ignored = FALSE;
while ((ch = c = next_char()) != (chtype)separator && c != EOF) {
if ((_nc_syntax == SYN_TERMCAP) && c == '\n')
_nc_warning("Illegal ^ character - %s",
_tracechar((unsigned char)ch));
}
- if (ch == '?')
+ if (ch == '?') {
*(ptr++) = '\177';
- else
- *(ptr++) = (char)(ch & 037);
+ } else {
+ if ((ch &= 037) == 0)
+ ch = 128;
+ *(ptr++) = (char)(ch);
+ }
}
else if (ch == '\\') {
ch = c = next_char();
case 'E':
case 'e': *(ptr++) = '\033'; break;
+ case 'a': *(ptr++) = '\007'; break;
+
case 'l':
case 'n': *(ptr++) = '\n'; break;
case '\\': *(ptr++) = '\\'; break;
- case '^': *(ptr++) = '^'; break;
+ case '^': *(ptr++) = '^'; break;
case ',': *(ptr++) = ','; break;
} /* endswitch (ch) */
} /* endelse (ch < '0' || ch > '7') */
} /* end else if (ch == '\\') */
- else {
+ else if (ch == '\n' && (_nc_syntax == SYN_TERMINFO)) {
+ /* newlines embedded in a terminfo string are ignored */
+ ignored = TRUE;
+ } else {
*(ptr++) = (char)ch;
}
- count ++;
-
- last_ch = ch;
+ if (!ignored) {
+ last_ch = ch;
+ count ++;
+ }
+ ignored = FALSE;
if (count > MAXCAPLEN)
_nc_warning("Very long string found. Missing separator?");
* get_token() call.
*/
-void _nc_push_token(int class)
+void _nc_push_token(int tokclass)
{
/*
* This implementation is kind of bogus, it will fail if we ever do
* relies on the fact that curr_tok is static storage that nothing
* but get_token() touches.
*/
- pushtype = class;
+ pushtype = tokclass;
_nc_get_type(pushname);
DEBUG(3, ("pushing token: `%s', class %d",
* don't forget to hack push_back() correspondingly.
*/
static char line[LEXBUFSIZ];
+ size_t len;
do {
_nc_curr_file_pos = ftell(yyin);
while (iswhite(*bufptr))
bufptr++;
+
+ /*
+ * Treat a trailing <cr><lf> the same as a <newline> so we can read
+ * files on OS/2, etc.
+ */
+ if ((len = strlen(bufptr)) > 1) {
+ if (bufptr[len-1] == '\n'
+ && bufptr[len-2] == '\r') {
+ bufptr[len-2] = '\n';
+ bufptr[len-1] = '\0';
+ }
+ }
}
first_column = (bufptr == bufstart);
static bool end_of_stream(void)
/* are we at end of input? */
{
- return (yyin ? feof(yyin) : (bufptr && *bufptr == '\0'));
+ return ((yyin ? feof(yyin) : (bufptr && *bufptr == '\0'))
+ ? TRUE : FALSE);
}
/* comp_scan.c ends here */
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