[PATCH 2/6] pretty: split parsing %C into a separate function

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 pretty.c | 60 +++++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 35 insertions(+), 25 deletions(-)

diff --git a/pretty.c b/pretty.c
index e910679..93c96c2 100644
--- a/pretty.c
+++ b/pretty.c
@@ -863,6 +863,40 @@ static int format_reflog_person(struct strbuf *sb,
 	return format_person_part(sb, part, ident, strlen(ident), dmode);
 }
 
+static size_t parse_color_placeholder(struct strbuf *sb,
+				      const char *placeholder,
+				      struct format_commit_context *c)
+{
+	if (placeholder[1] == '(') {
+		const char *end = strchr(placeholder + 2, ')');
+		char color[COLOR_MAXLEN];
+		if (!end)
+			return 0;
+		color_parse_mem(placeholder + 2,
+				end - (placeholder + 2),
+				"--pretty format", color);
+		strbuf_addstr(sb, color);
+		return end - placeholder + 1;
+	}
+	if (!prefixcmp(placeholder + 1, "red")) {
+		strbuf_addstr(sb, GIT_COLOR_RED);
+		return 4;
+	}
+	if (!prefixcmp(placeholder + 1, "green")) {
+		strbuf_addstr(sb, GIT_COLOR_GREEN);
+		return 6;
+	}
+	if (!prefixcmp(placeholder + 1, "blue")) {
+		strbuf_addstr(sb, GIT_COLOR_BLUE);
+		return 5;
+	}
+	if (!prefixcmp(placeholder + 1, "reset")) {
+		strbuf_addstr(sb, GIT_COLOR_RESET);
+		return 6;
+	}
+	return 0;
+}
+
 static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
 				void *context)
 {
@@ -875,31 +909,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
 	/* these are independent of the commit */
 	switch (placeholder[0]) {
 	case 'C':
-		if (placeholder[1] == '(') {
-			const char *end = strchr(placeholder + 2, ')');
-			char color[COLOR_MAXLEN];
-			if (!end)
-				return 0;
-			color_parse_mem(placeholder + 2,
-					end - (placeholder + 2),
-					"--pretty format", color);
-			strbuf_addstr(sb, color);
-			return end - placeholder + 1;
-		}
-		if (!prefixcmp(placeholder + 1, "red")) {
-			strbuf_addstr(sb, GIT_COLOR_RED);
-			return 4;
-		} else if (!prefixcmp(placeholder + 1, "green")) {
-			strbuf_addstr(sb, GIT_COLOR_GREEN);
-			return 6;
-		} else if (!prefixcmp(placeholder + 1, "blue")) {
-			strbuf_addstr(sb, GIT_COLOR_BLUE);
-			return 5;
-		} else if (!prefixcmp(placeholder + 1, "reset")) {
-			strbuf_addstr(sb, GIT_COLOR_RESET);
-			return 6;
-		} else
-			return 0;
+		return parse_color_placeholder(sb, placeholder, c);
 	case 'n':		/* newline */
 		strbuf_addch(sb, '\n');
 		return 1;
-- 
1.7.12.1.384.g7b808e7