[RFC PATCH 2/5] status: handle long paths with -t, --table flag

[Jacob Stopak <jacob@initialcommit.io>]

Signed-off-by: Jacob Stopak <jacob@initialcommit.io>
---
 table.c | 39 ++++++++++++++++++++++++++++++++++-----
 1 file changed, 34 insertions(+), 5 deletions(-)

diff --git a/table.c b/table.c
index 54cf9e4d07..87b6df8c66 100644
--- a/table.c
+++ b/table.c
@@ -25,15 +25,44 @@ static void build_table_border(struct strbuf *buf, int cols)
 
 static void build_table_entry(struct strbuf *buf, char *entry, int cols)
 {
+	int len = strlen(entry);
+	size_t col_width = (cols / 3) - 5; /* subtract for padding */
+
 	strbuf_reset(buf);
-	strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2);
+
+	/* Trim equally from both sides if it doesn't fit in column */
+	if (len > col_width) {
+		struct strbuf start_buf = STRBUF_INIT;
+		struct strbuf end_buf = STRBUF_INIT;
+		struct strbuf entry_buf = STRBUF_INIT;
+
+		strbuf_addstr(&start_buf, entry);
+		strbuf_addstr(&end_buf, entry);
+
+		strbuf_remove(&start_buf, col_width / 2, len - col_width / 2);
+		strbuf_remove(&end_buf, 0, len - col_width / 2);
+
+		strbuf_addstr(&entry_buf, start_buf.buf);
+		strbuf_addstr(&entry_buf, "...");
+		strbuf_addstr(&entry_buf, end_buf.buf);
+
+		entry = strbuf_detach(&entry_buf, &col_width);
+		len = strlen(entry);
+
+		strbuf_release(&start_buf);
+		strbuf_release(&end_buf);
+		strbuf_release(&entry_buf);
+	}
+
+	strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2); /* left padding */
 	strbuf_addstr(buf, entry);
 
-	/* Bump right padding if entry length is odd */
-	if (!(strlen(entry) % 2))
-		strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2 + 1);
+	/* right padding */
+	if (!(len % 2))
+		/* Bump right padding if entry length is odd */
+		strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2 + 1);
 	else
-		strbuf_addchars(buf, ' ', (cols / 3 - 1 - strlen(entry)) / 2);
+		strbuf_addchars(buf, ' ', (cols / 3 - len - 1) / 2);
 }
 
 static void print_table_body_line(struct strbuf *buf1, struct strbuf *buf2, struct strbuf *buf3, struct wt_status *s)
-- 
2.42.0.402.gbe8243af7b.dirty