get: start work on get command

src/main_get.zig

@@ -0,0 +1,57 @@
+const std = @import("std");
+const b = @import("browser/browser.zig");
+
+pub const std_options = struct {
+    pub const log_level = .debug;
+};
+
+const usage =
+    \\usage: {s} [options] <url>
+    \\  request the url with the browser
+    \\
+    \\  -h, --help       Print this help message and exit.
+    \\
+;
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    defer {
+        const check = gpa.deinit();
+        if (check == .leak) {
+            std.log.warn("leaks detected\n", .{});
+        }
+    }
+    const allocator = gpa.allocator();
+
+    var args = try std.process.argsWithAllocator(allocator);
+    defer args.deinit();
+
+    const execname = args.next().?;
+    var url: []const u8 = "";
+
+    while (args.next()) |arg| {
+        if (std.mem.eql(u8, "-h", arg) or std.mem.eql(u8, "--help", arg)) {
+            try std.io.getStdErr().writer().print(usage, .{execname});
+            std.os.exit(0);
+        }
+        // allow only one url
+        if (url.len != 0) {
+            try std.io.getStdErr().writer().print(usage, .{execname});
+            std.os.exit(1);
+        }
+        url = arg;
+    }
+
+    if (url.len == 0) {
+        try std.io.getStdErr().writer().print(usage, .{execname});
+        std.os.exit(1);
+    }
+
+    var browser = b.Browser.init(allocator);
+    defer browser.deinit();
+
+    var page = try browser.currentSession().createPage();
+    defer page.deinit();
+
+    try page.navigate(url);
+}