lib/colors: support schemes customization

 * parse terminal-colors.d/*.scheme files, expected format is

    <name> <color-sequence>

 * supported color sequences:

     - color name (e.g. "red")
     - dir_colors compatible xx;yy (e.g. 01;31) where the sequence may
       contains control chars like \e \a  ..etc.

 * scheme is parsed on demand

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 13 insertions, 6 deletions

diff --git a/include/colors.h b/include/colors.h
index 392bf38f1..e8ab3951a 100644
--- a/include/colors.h
+++ b/include/colors.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2012 Ondrej Oprala <ooprala@redhat.com>
+ * Copyright (C) 2012-2014 Karel Zak <kzak@redhat.com>
  *
  * This file may be distributed under the terms of the
  * GNU Lesser General Public License.
@@ -62,12 +63,18 @@ extern void colors_off(void);
 extern void colors_on(void);
 
 
-/* Set the color to CLR_SCHEME */
-extern void color_fenable(const char *clr_scheme, FILE *f);
+/* Set the color */
+extern void color_fenable(const char *seq, FILE *f);
+extern void color_scheme_fenable(const char *name, const char *dflt, FILE *f);
 
-static inline void color_enable(const char *clr_scheme)
+static inline void color_enable(const char *seq)
 {
-	color_fenable(clr_scheme, stdout);
+	color_fenable(seq, stdout);
+}
+
+static inline void color_scheme_enable(const char *name, const char *dflt)
+{
+	color_scheme_fenable(name, dflt, stdout);
 }
 
 /* Reset colors to default */
@@ -78,8 +85,8 @@ static inline void color_disable(void)
 	color_fdisable(stdout);
 }
 
-
-extern const char *colorscheme_from_string(const char *str);
+/* converts "red" to UL_COLOR_RED, etc. */
+extern const char *color_sequence_from_colorname(const char *str);
 
 
 #endif /* UTIL_LINUX_COLORS_H */