codecrafters submit [skip ci]

1 files changed, 31 insertions, 0 deletions

diff --git a/src/parser.zig b/src/parser.zig
new file mode 100644
index 0000000..4909464
--- /dev/null
+++ b/src/parser.zig
@@ -0,0 +1,31 @@
+const std = @import("std");
+
+pub const ParsedCommand = struct {
+    name: []const u8,
+    args: ?[]const u8,
+};
+
+pub fn parseCommand(input: []const u8) ParsedCommand {
+    const space_pos = std.mem.indexOfScalar(u8, input, ' ');
+    if (space_pos) |pos| {
+        return .{ .name = input[0..pos], .args = input[pos + 1 ..] };
+    }
+    return .{ .name = input, .args = null };
+}
+
+pub fn parseArgs(allocator: std.mem.Allocator, cmd_name: []const u8, args_str: ?[]const u8) ![]const []const u8 {
+    var args_list = std.ArrayList([]const u8){};
+    try args_list.ensureTotalCapacity(allocator, 8);
+    errdefer args_list.deinit(allocator);
+
+    try args_list.append(allocator, cmd_name);
+
+    if (args_str) |args| {
+        var it = std.mem.tokenizeScalar(u8, args, ' ');
+        while (it.next()) |arg| {
+            try args_list.append(allocator, arg);
+        }
+    }
+
+    return args_list.toOwnedSlice(allocator);
+}