[PATCH v4 09/13] pretty: split color parsing into a separate function

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 pretty.c | 71 +++++++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 39 insertions(+), 32 deletions(-)

diff --git a/pretty.c b/pretty.c
index 5947275..e0413e3 100644
--- a/pretty.c
+++ b/pretty.c
@@ -954,6 +954,44 @@ static int format_reflog_person(struct strbuf *sb,
 	return format_person_part(sb, part, ident, strlen(ident), dmode);
 }
 
+static size_t parse_color(struct strbuf *sb, /* in UTF-8 */
+			  const char *placeholder,
+			  struct format_commit_context *c)
+{
+	if (placeholder[1] == '(') {
+		const char *begin = placeholder + 2;
+		const char *end = strchr(begin, ')');
+		char color[COLOR_MAXLEN];
+
+		if (!end)
+			return 0;
+		if (!prefixcmp(begin, "auto,")) {
+			if (!want_color(c->pretty_ctx->color))
+				return end - placeholder + 1;
+			begin += 5;
+		}
+		color_parse_mem(begin,
+				end - begin,
+				"--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;
+}
+
 static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 				const char *placeholder,
 				void *context)
@@ -967,38 +1005,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
 	/* these are independent of the commit */
 	switch (placeholder[0]) {
 	case 'C':
-		if (placeholder[1] == '(') {
-			const char *begin = placeholder + 2;
-			const char *end = strchr(begin, ')');
-			char color[COLOR_MAXLEN];
-
-			if (!end)
-				return 0;
-			if (!prefixcmp(begin, "auto,")) {
-				if (!want_color(c->pretty_ctx->color))
-					return end - placeholder + 1;
-				begin += 5;
-			}
-			color_parse_mem(begin,
-					end - begin,
-					"--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(sb, placeholder, c);
 	case 'n':		/* newline */
 		strbuf_addch(sb, '\n');
 		return 1;
-- 
1.8.2.82.gc24b958

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