libsmartcols: colors may now be specified as human-readable strings

Signed-off-by: Ondrej Oprala <ooprala@redhat.com>

4 files changed, 22 insertions, 1 deletions

diff --git a/libsmartcols/src/cell.c b/libsmartcols/src/cell.c
index 5e3ea6081..fb523f013 100644
--- a/libsmartcols/src/cell.c
+++ b/libsmartcols/src/cell.c
@@ -12,6 +12,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <ctype.h>
 
 #include "smartcolsP.h"
 
@@ -85,6 +86,12 @@ int scols_cell_set_color(struct libscols_cell *ce, const char *color)
 	if (!ce)
 		return -EINVAL;
 	if (color) {
+		if (isalnum(*color)) {
+			color = colorscheme_from_string(color);
+
+			if (!color)
+				return -EINVAL;
+		}
 		p = strdup(color);
 		if (!p)
 			return -ENOMEM;
diff --git a/libsmartcols/src/column.c b/libsmartcols/src/column.c
index 5fad5319f..29eb63666 100644
--- a/libsmartcols/src/column.c
+++ b/libsmartcols/src/column.c
@@ -12,6 +12,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <ctype.h>
 
 #include "smartcolsP.h"
 
@@ -118,6 +119,12 @@ int scols_column_set_color(struct libscols_column *cl, const char *color)
 	if (!cl)
 		return -EINVAL;
 	if (color) {
+		if (isalnum(*color)) {
+			color = colorscheme_from_string(color);
+
+			if (!color)
+				return -EINVAL;
+		}
 		p = strdup(color);
 		if (!p)
 			return -ENOMEM;
diff --git a/libsmartcols/src/line.c b/libsmartcols/src/line.c
index b982fba6d..ec5add3fb 100644
--- a/libsmartcols/src/line.c
+++ b/libsmartcols/src/line.c
@@ -12,6 +12,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <ctype.h>
 
 #include "smartcolsP.h"
 
@@ -196,6 +197,12 @@ int scols_line_set_color(struct libscols_line *ln, const char *color)
 	if (!ln)
 		return -EINVAL;
 	if (color) {
+		if (isalnum(*color)) {
+			color = colorscheme_from_string(color);
+
+			if (!color)
+				return -EINVAL;
+		}
 		p = strdup(color);
 		if (!p)
 			return -ENOMEM;
diff --git a/libsmartcols/src/test.c b/libsmartcols/src/test.c
index 547a5fd00..0899cea31 100644
--- a/libsmartcols/src/test.c
+++ b/libsmartcols/src/test.c
@@ -89,7 +89,7 @@ int main(int argc, char *argv[])
 		struct libscols_cell *h = scols_column_get_header(cl);
 
 		scols_column_set_color(cl, UL_COLOR_BOLD_GREEN);
-		scols_cell_set_color(h, UL_COLOR_GREEN);
+		scols_cell_set_color(h, "green"); /* a human-readable string is also legal */
 	}
 	scols_table_new_column(tb, "BAR", 0.3);
 	scols_table_new_column(tb, "PATH", 0.3);