From c47100c331e1fcc4353b6ed83a1d3485c9331eaf Mon Sep 17 00:00:00 2001
From: Mubashshir <ahmubashshir@gmail.com>
Date: Sat, 28 Oct 2023 19:57:58 +0600
Subject: Use the consume helper for processing the data

Signed-off-by: Mubashshir <ahmubashshir@gmail.com>
---
 src/main.c | 62 +++++++++++++++++++++++++++++++++-----------------------------
 1 file changed, 33 insertions(+), 29 deletions(-)

(limited to 'src')

diff --git a/src/main.c b/src/main.c
index 76c7cd8..9edf6a6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -3,10 +3,33 @@
 #include <stdlib.h>
 
 #include "teams.h"
+#include "common.h"
 
-#define getline(x, y) \
-	while(((x)[strcspn((x), "\r\n")] = 0) == 0 && strncmp((x), "", (y)) == 0) \
-		fgets((x), (y), stdin)
+// ref(type) references content is always const
+// mut(type) references content is mutable
+void process(const ref(char) line, unsigned idx, team obj)
+{
+	unsigned s;
+	switch(idx) {
+	case 1:
+		set(team, obj, name, line);
+		break;
+	case 2:
+		set(team, obj, institution, line);
+		break;
+	case 3:
+		sscanf(line, "%u", &s);
+		set(team, obj, solved, s);
+		break;
+	case 4: // falls through
+	case 5: // falls through
+	case 6:
+		set(team, obj, member_name, idx - 3, line);
+		break;
+	default:
+		break;
+	}
+}
 
 int main()
 {
@@ -14,10 +37,9 @@ int main()
 	char line[255] = "";
 	team *teams;
 
-	getline(line, 255);
-	sscanf(line, "%u", &num);
-	strncpy(line, "", 255);
-	teams = (team *)malloc(sizeof(team) * num);
+	getline(line, 255, stdin);
+	consume(line, 255, sscanf, "%u", &num);
+	teams = array(team, num);
 
 	if (teams == NULL) {
 		printf("Failed to reserve memory");
@@ -26,29 +48,10 @@ int main()
 
 	for(i = 0; i < num; i++) {
 		teams[i] = new(team);
-		unsigned idx = 0, s = 0;
+		unsigned idx = 0;
 		while (idx ++ < 6) {
-			getline(line, 255);
-			switch(idx) {
-			case 1:
-				set(team, teams[i], name, line);
-				break;
-			case 2:
-				set(team, teams[i], institution, line);
-				break;
-			case 3:
-				sscanf(line, "%u", &s);
-				set(team, teams[i], solved, s);
-				break;
-			case 4: // falls through
-			case 5: // falls through
-			case 6:
-				set(team, teams[i], member_name, idx - 3, line);
-				break;
-			default:
-				break;
-			}
-			strncpy(line, "", 255);
+			getline(line, 255, stdin);
+			consume(line, 255, process, idx, teams[i]);
 		}
 	}
 
@@ -57,5 +60,6 @@ int main()
 
 	while(num --) del(team, teams[num]);
 	free(teams);
+
 	return 0;
 }
-- 
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