[keel] Add missing file
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105
src/keel/pack-applib.cpp
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105
src/keel/pack-applib.cpp
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/*
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* Copyright 2016 - 2023 Gary Talent (gary@drinkingtea.net). All rights reserved.
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*/
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#include <fstream>
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#include <ox/clargs/clargs.hpp>
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#include <ox/fs/fs.hpp>
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#include <ox/logconn/def.hpp>
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#include <ox/logconn/logconn.hpp>
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#include <keel/keel.hpp>
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#include <nostalgia/modules/keelmodules.hpp>
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static ox::Error writeFileBuff(ox::StringView path, ox::Buffer const&buff) noexcept {
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try {
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std::ofstream f(std::string(toStdStringView(path)), std::ios::binary);
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f.write(buff.data(), static_cast<intptr_t>(buff.size()));
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} catch (std::fstream::failure const&) {
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return OxError(2, "failed to write file");
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}
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return {};
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}
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static ox::Result<ox::Buffer> readFileBuff(ox::StringView path) noexcept {
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std::ifstream file(std::string(toStdStringView(path)), std::ios::binary | std::ios::ate);
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if (!file.good()) {
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oxErrorf("Could not find OxFS file: {}", path);
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return OxError(1, "Could not find OxFS file");
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}
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try {
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const auto size = static_cast<std::size_t>(file.tellg());
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ox::Buffer buff(size);
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file.seekg(0, std::ios::beg);
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file.read(buff.data(), static_cast<std::streamsize>(buff.size()));
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return buff;
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} catch (std::ios_base::failure const&e) {
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oxErrorf("Could not read OxFS file: {}", e.what());
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return OxError(2, "Could not read OxFS file");
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}
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}
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static ox::Error generateTypes(ox::TypeStore *ts) noexcept {
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for (const auto mod : keel::modules()) {
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for (auto gen : mod->types()) {
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oxReturnError(gen(*ts));
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}
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}
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return {};
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}
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static ox::Error pack(ox::StringView argSrc, ox::StringView argRomBin, ox::StringView projectDataDir) noexcept {
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ox::Buffer dstBuff(32 * ox::units::MB);
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oxReturnError(ox::FileSystem32::format(dstBuff.data(), dstBuff.size()));
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ox::FileSystem32 dst(dstBuff);
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oxRequire(ctx, keel::init(ox::make_unique<ox::PassThroughFS>(argSrc), "keel-pack"));
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keel::TypeStore ts(*ctx->rom, ox::sfmt("{}/type_descriptors", projectDataDir));
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oxReturnError(generateTypes(&ts));
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oxReturnError(keel::pack(*ctx, ts, dst));
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oxRequireM(pl, keel::GbaPreloader::make());
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oxReturnError(preload(ts, dst, *pl));
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oxReturnError(dst.resize());
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// resize buffer
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oxRequire(dstSize, dst.size());
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dstBuff.resize(dstSize);
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oxRequireM(romBuff, readFileBuff(argRomBin));
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oxReturnError(appendBinary(romBuff, dstBuff, *pl));
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oxOutf("Dest FS size: {} bytes\n", dstSize);
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oxOutf("Preload buff size: {} bytes\n", pl->buff().size());
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oxOutf("ROM buff size: {} bytes\n", romBuff.size());
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oxReturnError(writeFileBuff(argRomBin, romBuff));
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return {};
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}
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static ox::Error run(int argc, const char **argv, ox::StringView projectDataDir) noexcept {
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ox::ClArgs const args(argc, argv);
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const auto argSrc = args.getString("src", "");
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const auto argRomBin = args.getString("rom-bin", "");
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if (argSrc == "") {
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oxErr("\033[31;1;1merror:\033[0m must specify a source directory\n");
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return OxError(1, "must specify a source directory");
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}
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if (argRomBin == "") {
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oxErr("\033[31;1;1merror:\033[0m must specify a path for ROM file\n");
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return OxError(1, "must specify a path for preload file");
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}
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return pack(argSrc, argRomBin, projectDataDir);
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}
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namespace olympic {
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ox::Error run(
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[[maybe_unused]] ox::StringView project,
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[[maybe_unused]] ox::StringView appName,
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ox::StringView projectDataDir,
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int argc,
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const char **argv) noexcept {
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return ::run(argc, argv, projectDataDir);
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}
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}
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