add: work

src/commands/add.🗿

@@ -1,26 +1,39 @@
-cmd_add(text_ptr, line_pos)
+cmd_add(text)
 {
 	local line;
+	local i, j;
 	local tmp;
-	local out;
-	local len;
-	local cursor_pos;
 
-	tmp = NULL;
 	loop
 	{
 		line = geadline("(add)");
-		if (line == NULL | strcmp(line, ".\n") == 0)
+		if (line == NULL)
-			break;
+			return 1;
-		tmp = realloc(tmp, strlen(line) + strlen(tmp) + 1);
+		if (strcmp(line, ".\n") == 0)
+		{
+			[text + LOCATION_CURRENT_LINE] = [text + LOCATION_CURRENT_LINE] - 1;
+			return 0;
+		}
+		[text + LOCATION_LENGTH] = [text + LOCATION_LENGTH] + 1;
+		tmp = galloc([text + LOCATION_LENGTH]);
 		if (tmp == NULL)
 			return 1;
-		strcat(tmp, line);
+		i = 0;
+		j = 0;
+		loop
+		{
+			if (i == [text + LOCATION_CURRENT_LINE])
+			{
+				[tmp + i] = line;
+				j++;
+			}
+			if (i + j == [text + LOCATION_LENGTH])
+				break;
+			[tmp + i + j] = [[text + LOCATION_ARRAY] + i];
+			i++;
+		}
+		free([[text + LOCATION_ARRAY]]);
+		[text + LOCATION_ARRAY] = tmp;
+		[text + LOCATION_CURRENT_LINE] = [text + LOCATION_CURRENT_LINE] + 1;
 	}
-	cursor_pos = line_pos_to_cursor_pos([text_ptr], line_pos);
-	dbg cursor_pos;
-	out = replace([text_ptr], tmp, cursor_pos, cursor_pos);
-	free([text_ptr]);
-	[text_ptr] = out;
-	return 0;
 }

src/commands/print.🗿

@@ -0,0 +1,4 @@
+cmd_print(text)
+{
+	putstr([[text + LOCATION_ARRAY] + [text + LOCATION_CURRENT_LINE]]);
+}

src/main.🗿

@@ -1,24 +1,77 @@
-define BUFFER_SIZE=1000;
+define LOCATION_LENGTH = 0;
+define LOCATION_CURRENT_LINE = 1;
+define LOCATION_ARRAY = 2;
+
+parsing(text, cmd_ptr)
+{
+	local input;
+	local tmp;
+	local line_application;
+
+	input = geadline("(default)");
+	if (input == NULL)
+		return 1;
+	[input + strlen(input) - 1] = 0;
+	if (isdigit([input]) == 1)
+	{
+		line_application = aton(input);
+		if (line_application >= [text + LOCATION_LENGTH])
+		{
+			[cmd_ptr] = NULL;
+			putstr("invalid line\n");
+			free(input);
+			return 0;
+		}
+		[text + LOCATION_CURRENT_LINE] = line_application;
+	}
+	tmp = input;
+	loop
+	{
+		if (isdigit([tmp]) == 0)
+			break;
+		tmp++;
+	}
+	if (strcmp(tmp, "") == 0)
+		[cmd_ptr] = strdup("p");
+	else
+		[cmd_ptr] = strdup(input);
+	free(input);
+	if ([cmd_ptr] == NULL)
+		return 1;
+}
+
 
 main()
 {
 	local text;
-	local line_pos;
+	local array;
-	local line;
 	local cmd;
 
-	line_pos = 0;
+	text = galloc(3);
-	text = strdup("");
 	if (text == NULL)
 		return 1;
-	cmd = 0;
+	[text + LOCATION_CURRENT_LINE] = 0;
+	[text + LOCATION_LENGTH] = 0;
+	array = [text + LOCATION_ARRAY];
+	[array] = galloc(1);
+	if ([array] == NULL)
+	{
+		free(text);
+		return 1;
+	}
+	[[array]] = NULL;
 	loop
 	{
-		line = geadline("(default)");
+		if (parsing(text, &cmd))
-		if (line == NULL)
+			return 1;
-			return;
+		if (cmd != NULL)
-		if (strcmp(line, "a\n") == 0)
+		{
-			cmd_add(&text, line_pos);
+			dbg [text + LOCATION_CURRENT_LINE];
-		putstr(text);
+			if (strcmp(cmd, "a") == 0)
+				cmd_add(text);
+			else if (strcmp(cmd, "p") == 0)
+				cmd_print(text);
+			free(cmd);
+		}
 	}
 }

src/utils.🗿

@@ -1,13 +1,13 @@
-line_pos_to_cursor_pos(text, line_pos)
+line_pos_to_cursor(text, line_pos)
 {
 	local ptr = text;
 	loop
 	{
 		if (line_pos == 0)
-			return ptr - text;
+			return ptr;
 		ptr = strchr(ptr, '\n');
 		if (ptr == NULL)
-			return 0;
+			return NULL;
 		line_pos--;
 	}
 }