132 lines
3.8 KiB
C++

/*
* Copyright 2016 - 2025 Gary Talent (gary@drinkingtea.net). All rights reserved.
*/
#pragma once
#include <ox/claw/claw.hpp>
#include <ox/fs/fs.hpp>
#include <ox/model/typenamecatcher.hpp>
#include <ox/std/buffer.hpp>
#include <ox/std/defines.hpp>
#include <ox/std/fmt.hpp>
#include <ox/std/string.hpp>
#include <ox/std/trace.hpp>
#include <keel/context.hpp>
namespace studio {
namespace detail {
inline ox::String slashesToPct(ox::StringViewCR str) noexcept {
auto out = ox::String{str};
for (auto&c: out) {
if (c == '/' || c == '\\') {
c = '%';
}
}
return out;
}
}
[[nodiscard]]
ox::String configPath(keel::Context const&kctx) noexcept;
template<typename T>
ox::Result<T> readConfig(keel::Context &kctx, ox::StringViewCR name) noexcept {
oxAssert(name != "", "Config type has no TypeName");
auto const path = ox::sfmt("/{}.json", detail::slashesToPct(name));
ox::PassThroughFS fs(configPath(kctx));
auto const [buff, err] = fs.read(path);
if (err) {
//oxErrf("Could not read config file: {} - {}\n", path, toStr(err));
return err;
}
OX_REQUIRE(id, ox::readClawTypeId(buff));
ox::Result<T> out;
if (id != ox::ModelTypeId_v<T>) {
out = keel::convert<T>(kctx, buff);
} else {
out = ox::readClaw<T>(buff);
}
OX_RETURN_ERROR(out);
OX_RETURN_ERROR(keel::ensureValid(out.value));
return out;
}
template<typename T>
ox::Result<T> readConfig(keel::Context &kctx) noexcept {
constexpr auto TypeName = ox::requireModelTypeName<T>();
return readConfig<T>(kctx, TypeName);
}
template<typename T>
ox::Error writeConfig(keel::Context &kctx, ox::StringViewCR name, T const&data) noexcept {
oxAssert(name != "", "Config type has no TypeName");
auto const path = ox::sfmt("/{}.json", detail::slashesToPct(name));
ox::PassThroughFS fs(configPath(kctx));
if (auto const err = fs.mkdir("/", true)) {
//oxErrf("Could not create config directory: {} - {}\n", path, toStr(err));
return err;
}
OX_REQUIRE_M(buff, ox::writeClaw(data, ox::ClawFormat::Organic));
*buff.back().value = '\n';
if (auto const err = fs.write(path, buff.data(), buff.size())) {
//oxErrf("Could not read config file: {} - {}\n", path, toStr(err));
return ox::Error{2, "Could not read config file"};
}
return {};
}
template<typename T>
ox::Error writeConfig(keel::Context &kctx, T const&data) noexcept {
constexpr auto TypeName = ox::requireModelTypeName<T>();
return writeConfig(kctx, TypeName, data);
}
template<typename T, typename Func>
void openConfig(keel::Context &kctx, ox::StringViewCR name, Func f) noexcept {
oxAssert(name != "", "Config type has no TypeName");
auto const [c, err] = readConfig<T>(kctx, name);
oxLogError(err);
f(c);
}
template<typename T, typename Func>
void openConfig(keel::Context &kctx, Func f) noexcept {
constexpr auto TypeName = ox::requireModelTypeName<T>();
openConfig<T>(kctx, TypeName, f);
}
template<typename T, typename Func>
void editConfig(keel::Context &kctx, ox::StringViewCR name, Func f) noexcept {
oxAssert(name != "", "Config type has no TypeName");
auto [c, err] = readConfig<T>(kctx, name);
oxLogError(err);
f(c);
oxLogError(writeConfig(kctx, name, c));
}
template<typename T, typename Func>
void editConfig(keel::Context &kctx, Func f) noexcept {
constexpr auto TypeName = ox::requireModelTypeName<T>();
editConfig<T>(kctx, TypeName, f);
}
/**
* Older config files didn't use ClawHeaders, so they can't
* use the normal conversion system.
* Functions like this shouldn't be necessary moving forward.
*/
template<typename T>
ox::Error headerizeConfigFile(keel::Context &kctx, ox::StringViewCR name = ox::ModelTypeName_v<T>) noexcept {
auto const path = ox::sfmt("/{}.json", name);
ox::PassThroughFS fs(configPath(kctx));
OX_REQUIRE_M(buff, fs.read(path));
OX_REQUIRE_M(cv1, ox::readOC<T>(buff));
OX_RETURN_ERROR(ox::writeClaw(cv1, ox::ClawFormat::Organic).moveTo(buff));
return fs.write(path, buff);
}
}