minor rcfile fixes

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1540 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -61,6 +61,12 @@ CVS code -
 	  support, pressing Ctrl-Z to suspend nano at the Linux console
 	  with keypad(TRUE) generates Ctrl-Z instead of KEY_SUSPEND
 	  (which is what ncurses generates then). (DLR)
+- rcfile.c:
+  parse_colors()
+	- Generate an error if we try to use a bright background color
+	  in a nanorc file. (DLR; found by Brand Huntsman)
+	- Make sure all rcfile error messages are capitalized, for
+	  consistency. (DLR)
 - winio.c:
   titlebar()
 	- Fix problem with the available space for a filename on the
@@ -82,6 +88,9 @@ CVS code -
 - nanorc.sample:
 	- Remove duplicate "historylog" entry, remove "keypad" entry,
 	  and add "rebinddelete" entry. (DLR)
+	- Update the regexes for nanorc files. (Brand Huntsman, slightly
+	  modified by DLR)
+	- Fix one attempt at a bright background color. (DLR)
 - AUTHORS
 	- Updated to show 1.2/1.3 maintainers.
 

nanorc.sample

@@ -193,16 +193,15 @@
 # color blue "//.*"
 # color blue start="/\*" end="\*/"
 # color brightblue start="/\*\*" end="\*/"
-# color brightgreen,brightgreen "[ 	]+$"
+# color green,brightgreen "[ 	]+$"
 
 ## Here is an example for your .nanorc
 ##
-# syntax "nanorc" "[\.]*nanorc$"
-# color white "^ *(set|unset).*$"
-# color cyan "^ *(set|unset) (autoindent|backup|const|cut|fill|keypad|multibuffer|noconvert|nofollow|nohelp|nowrap|operatingdir|preserve|quotestr|regexp|smooth|speller|suspend|tabsize|tempfile|historylog|view)"
-# color brightwhite "^ *syntax [^ ]*"
-# color brightblue "^ *set\>" "^ *unset\>" "^ *syntax\>"
-# color white "^ *color\>.*"
-# color yellow "^ *color (bright)?(white|black|red|blue|green|yellow|magenta|cyan)\>"
-# color magenta "^ *color\>"
-# color green "^#.*$"
+# syntax "nanorc" "(\.)?nanorc$"
+# color brightwhite "^ *(set|unset|syntax|color).*$"
+# color cyan "^ *(set|unset)([ 	]+)(autoindent|backup|const|cut|fill|historylog|multibuffer|noconvert|nofollow|nohelp|nowrap|operatingdir|preserve|quotestr|rebinddelete|regexp|smooth|speller|suspend|tabsize|tempfile|view)"
+# color green "^ *(set|unset|syntax)\>"
+# color yellow "^ *color([ 	]+)(bright)?(white|black|red|blue|green|yellow|magenta|cyan)(,(white|black|red|blue|green|yellow|magenta|cyan))?\>"
+# color magenta "^ *color\>" "\<(start|end)="
+# color white "\"(\\.|[^\"])*\""
+# color blue "^ *#.*$"

rcfile.c

@@ -170,7 +170,7 @@ char *parse_argument(char *ptr)
 	    ptr = NULL;
 	else
 	    *ptr++ = '\0';
-	rcfile_error(_("argument %s has unterminated \""), ptr_bak);
+	rcfile_error(_("Argument %s has unterminated \""), ptr_bak);
     } else {
 	*last_quote = '\0';
 	ptr = last_quote + 1;
@@ -212,11 +212,11 @@ int colortoint(const char *colorname, int *bright)
     else if (!strcasecmp(colorname, "black"))
 	mcolor = COLOR_BLACK;
     else {
-	rcfile_error(_("color %s not understood.\n"
-		       "Valid colors are \"green\", \"red\", \"blue\", \n"
-		       "\"white\", \"yellow\", \"cyan\", \"magenta\" and \n"
-		       "\"black\", with the optional prefix \"bright\".\n"),
-			colorname);
+	rcfile_error(_("Color %s not understood.\n"
+			"Valid colors are \"green\", \"red\", \"blue\", \n"
+			"\"white\", \"yellow\", \"cyan\", \"magenta\" and \n"
+			"\"black\", with the optional prefix \"bright\" \n"
+			"for foreground colors.\n"), colorname);
 	mcolor = -1;
     }
     return mcolor;
@@ -271,7 +271,7 @@ void parse_syntax(char *ptr)
 	return;
 
     if (*ptr != '"') {
-	rcfile_error(_("regex strings must begin and end with a \" character\n"));
+	rcfile_error(_("Regex strings must begin and end with a \" character\n"));
 	return;
     }
     ptr++;
@@ -354,8 +354,14 @@ void parse_colors(char *ptr)
     }
 
     if (strstr(fgstr, ",")) {
+	char *bgcolorname;
 	strtok(fgstr, ",");
-	bg = colortoint(strtok(NULL, ","), &bright);
+	bgcolorname = strtok(NULL, ",");
+	if (!strncasecmp(bgcolorname, "bright", 6)) {
+	    rcfile_error(_("Background color %s cannot be bright"), bgcolorname);
+	    return;
+	}
+	bg = colortoint(bgcolorname, &bright);
     } else
 	bg = -1;
 
@@ -395,7 +401,7 @@ void parse_colors(char *ptr)
 	}
 
 	if (*ptr != '"') {
-	    rcfile_error(_("regex strings must begin and end with a \" character\n"));
+	    rcfile_error(_("Regex strings must begin and end with a \" character\n"));
 	    ptr = parse_next_regex(ptr);
 	    continue;
 	}
@@ -442,7 +448,7 @@ void parse_colors(char *ptr)
 
 	    if (*ptr != '"') {
 		rcfile_error(_
-			     ("regex strings must begin and end with a \" character\n"));
+			     ("Regex strings must begin and end with a \" character\n"));
 		continue;
 	    }
 	    ptr++;
@@ -538,7 +544,7 @@ void parse_rcfile(FILE *rcstream)
 				) {
 			    if (*ptr == '\n' || *ptr == '\0') {
 				rcfile_error(_
-					     ("option %s requires an argument"),
+					     ("Option %s requires an argument"),
 					     rcopts[i].name);
 				continue;
 			    }
@@ -563,7 +569,7 @@ void parse_rcfile(FILE *rcstream)
 				 * errors. */
 				j = (int)strtol(option, &first_error, 10);
 				if (errno == ERANGE || *option == '\0' || *first_error != '\0')
-				    rcfile_error(_("requested fill size %d invalid"),
+				    rcfile_error(_("Requested fill size %d invalid"),
 						 j);
 				else
 				    wrap_at = j;
@@ -587,7 +593,7 @@ void parse_rcfile(FILE *rcstream)
 				 * errors. */
 				j = (int)strtol(option, &first_error, 10);
 				if (errno == ERANGE || *option == '\0' || *first_error != '\0')
-				    rcfile_error(_("requested tab size %d invalid"),
+				    rcfile_error(_("Requested tab size %d invalid"),
 						 j);
 				else
 				    tabsize = j;