src/main.zig


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const std = @import("std");
const dump = @import("dump.zig");
const adler32 = std.hash.Adler32;

fn help(args: [][]u8) u8 {
    std.debug.warn(
        \\Usage: {} [subcommand] [options]
        \\
        \\Resource Compiler for C++
        \\
        \\Subcommands:
        \\  dump [options] inputs   hexdump the input files
        \\
        \\For a full list of subcommand options, use [subcommand] --help
        \\
    , .{args[0]});
    return if (args.len < 2) 255 else 0;
}

pub fn main() anyerror!u8 {
    var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
    defer arena.deinit();

    const args = try std.process.argsAlloc(&arena.allocator);
    if (args.len < 2) {
        return help(args);
    }

    return switch (adler32.hash(args[1])) {
        adler32.hash("dump") => dump.cmd(args),
        adler32.hash("-h"), adler32.hash("--help") => help(args),
        else => help(args),
    };
}