/****************************************************************************
- * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2002,2003 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_entry.h>
#include <tic.h>
-MODULE_ID("$Id: comp_scan.c,v 1.61 2002/09/07 20:04:09 tom Exp $")
+MODULE_ID("$Id: comp_scan.c,v 1.66 2003/12/14 00:32:40 tom Exp $")
/*
* Maximum length of string capability we'll accept before raising an error.
*****************************************************************************/
static bool first_column; /* See 'next_char()' below */
+static bool had_newline;
static char separator; /* capability separator */
static int pushtype; /* type of pushback token */
static char *pushname;
_nc_disable_period = FALSE; /* used by tic -a option */
#endif
+static bool end_of_stream(void);
static int last_char(void);
static int next_char(void);
static long stream_pos(void);
-static bool end_of_stream(void);
static void push_back(char c);
/* Assume we may be looking at a termcap-style continuation */
static const char terminfo_punct[] = "@%&*!#";
static char *buffer;
+ char *after_list;
+ char *after_name;
char *numchk;
char *ptr;
+ char *s;
char numbuf[80];
int ch;
int dot_flag = FALSE;
return (retval);
}
- if (end_of_stream())
+ if (end_of_stream()) {
+ if (buffer != 0) {
+ FreeAndNull(buffer);
+ }
return (EOF);
+ }
start_token:
token_start = stream_pos();
- while ((ch = next_char()) == '\n' || iswhite(ch))
+ while ((ch = next_char()) == '\n' || iswhite(ch)) {
+ if (ch == '\n')
+ had_newline = TRUE;
continue;
+ }
ch = eat_escaped_newline(ch);
*(ptr++) = ch;
if (first_column) {
- char *desc;
-
_nc_comment_start = token_start;
_nc_comment_end = _nc_curr_file_pos;
_nc_start_line = _nc_curr_line;
_nc_syntax = ERR;
+ after_name = 0;
+ after_list = 0;
while ((ch = next_char()) != '\n') {
- if (ch == EOF)
+ if (ch == EOF) {
_nc_err_abort(MSG_NO_MEMORY);
- else if (ch == ':' && last_char() != ',') {
+ } else if (ch == '|') {
+ after_list = ptr;
+ if (after_name == 0)
+ after_name = ptr;
+ } else if (ch == ':' && last_char() != ',') {
_nc_syntax = SYN_TERMCAP;
separator = ':';
break;
_nc_syntax = SYN_TERMINFO;
separator = ',';
/*
- * Fall-through here is not an accident. The idea is that
- * if we see a comma, we figure this is terminfo unless we
- * subsequently run into a colon -- but we don't stop
- * looking for that colon until hitting a newline. This
+ * If we did not see a '|', then we found a name with no
+ * aliases or description.
+ */
+ if (after_name == 0)
+ break;
+ /*
+ * If we see a comma, we assume this is terminfo unless we
+ * subsequently run into a colon. But we don't stop
+ * looking for a colon until hitting a newline. This
* allows commas to be embedded in description fields of
* either syntax.
*/
- /* FALLTHRU */
} else
ch = eat_escaped_newline(ch);
/*
* This is the soonest we have the terminal name fetched. Set up
- * for following warning messages.
+ * for following warning messages. If there's no '|', then there
+ * is no description.
*/
- ptr = strchr(buffer, '|');
- if (ptr == (char *) NULL)
- ptr = buffer + strlen(buffer);
- ch = *ptr;
- *ptr = '\0';
- _nc_set_type(buffer);
- *ptr = ch;
+ if (after_name != 0) {
+ ch = *after_name;
+ *after_name = '\0';
+ _nc_set_type(buffer);
+ *after_name = ch;
+ }
/*
* Compute the boundary between the aliases and the description
* field for syntax-checking purposes.
*/
- desc = strrchr(buffer, '|');
- if (!silent && desc) {
- if (*desc == '\0')
- _nc_warning("empty longname field");
- else if (strchr(desc, ' ') == (char *) NULL)
- _nc_warning("older tic versions may treat the description field as an alias");
+ if (after_list != 0) {
+ if (!silent) {
+ if (*after_list == '\0')
+ _nc_warning("empty longname field");
+ else if (strchr(after_list, ' ') == 0)
+ _nc_warning("older tic versions may treat the description field as an alias");
+ }
+ } else {
+ after_list = buffer + strlen(buffer);
+ DEBUG(1, ("missing description"));
}
- if (!desc)
- desc = buffer + strlen(buffer);
/*
* Whitespace in a name field other than the long name can confuse
* rdist and some termcap tools. Slashes are a no-no. Other
* special characters can be dangerous due to shell expansion.
*/
- for (ptr = buffer; ptr < desc; ptr++) {
- if (isspace(UChar(*ptr))) {
+ for (s = buffer; s < after_list; ++s) {
+ if (isspace(UChar(*s))) {
if (!silent)
_nc_warning("whitespace in name or alias field");
break;
- } else if (*ptr == '/') {
+ } else if (*s == '/') {
if (!silent)
_nc_warning("slashes aren't allowed in names or aliases");
break;
- } else if (strchr("$[]!*?", *ptr)) {
+ } else if (strchr("$[]!*?", *s)) {
if (!silent)
- _nc_warning("dubious character `%c' in name or alias field", *ptr);
+ _nc_warning("dubious character `%c' in name or alias field", *s);
break;
}
}
- ptr = buffer;
-
_nc_curr_token.tk_name = buffer;
type = NAMES;
} else {
+ if (had_newline && _nc_syntax == SYN_TERMCAP) {
+ _nc_warning("Missing backslash before newline");
+ had_newline = FALSE;
+ }
while ((ch = next_char()) != EOF) {
if (!isalnum(ch)) {
if (_nc_syntax == SYN_TERMINFO) {
default:
_nc_warning("Illegal character %s in \\ sequence",
unctrl(ch));
+ /* FALLTHRU */
+ case '|':
*(ptr++) = (char) ch;
} /* endswitch (ch) */
} /* endelse (ch < '0' || ch > '7') */
*/
NCURSES_EXPORT(void)
-_nc_reset_input(FILE * fp, char *buf)
+_nc_reset_input(FILE *fp, char *buf)
{
pushtype = NO_PUSHBACK;
if (pushname != 0)
if (used == 0)
_nc_curr_file_pos = ftell(yyin);
- if (fgets(result + used, allocated - used, yyin) != NULL) {
+ if (fgets(result + used, allocated - used, yyin) != 0) {
bufstart = result;
if (used == 0) {
_nc_curr_line++;
}
first_column = (bufptr == bufstart);
+ if (first_column)
+ had_newline = FALSE;
_nc_curr_col++;
return (*bufptr++);
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