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#pragma once
#include <map>
#include <openvic-dataloader/v2script/AbstractSyntaxTree.hpp>
#include "openvic-simulation/types/Colour.hpp"
#include "openvic-simulation/types/Date.hpp"
#include "openvic-simulation/types/Vector.hpp"
namespace OpenVic {
namespace ast = ovdl::v2script::ast;
namespace NodeTools {
template<typename... Args>
using callback_t = std::function<bool(Args...)>;
using node_callback_t = callback_t<ast::NodeCPtr>;
constexpr bool success_callback(ast::NodeCPtr) { return true; }
using key_value_callback_t = callback_t<std::string_view, ast::NodeCPtr>;
constexpr bool key_value_success_callback(std::string_view, ast::NodeCPtr) { return true; }
node_callback_t expect_identifier(callback_t<std::string_view> callback);
node_callback_t expect_string(callback_t<std::string_view> callback);
node_callback_t expect_identifier_or_string(callback_t<std::string_view> callback);
node_callback_t expect_bool(callback_t<bool> callback);
node_callback_t expect_int(callback_t<int64_t> callback);
node_callback_t expect_uint(callback_t<uint64_t> callback);
node_callback_t expect_fixed_point(callback_t<fixed_point_t> callback);
node_callback_t expect_colour(callback_t<colour_t> callback);
node_callback_t expect_date(callback_t<Date> callback);
node_callback_t expect_ivec2(callback_t<ivec2_t> callback);
node_callback_t expect_fvec2(callback_t<fvec2_t> callback);
node_callback_t expect_assign(key_value_callback_t callback);
using length_callback_t = std::function<size_t(size_t)>;
constexpr size_t default_length_callback(size_t size) { return size; };
node_callback_t expect_list_and_length(length_callback_t length_callback, node_callback_t callback);
node_callback_t expect_list_of_length(size_t length, node_callback_t callback);
node_callback_t expect_list(node_callback_t callback);
node_callback_t expect_length(callback_t<size_t> callback);
node_callback_t expect_dictionary_and_length(length_callback_t length_callback, key_value_callback_t callback);
node_callback_t expect_dictionary(key_value_callback_t callback);
struct dictionary_entry_t {
const enum class expected_count_t : uint8_t {
_MUST_APPEAR = 0b01,
_CAN_REPEAT = 0b10,
ZERO_OR_ONE = 0,
ONE_EXACTLY = _MUST_APPEAR,
ZERO_OR_MORE = _CAN_REPEAT,
ONE_OR_MORE = _MUST_APPEAR | _CAN_REPEAT
} expected_count;
const node_callback_t callback;
size_t count;
dictionary_entry_t(expected_count_t new_expected_count, node_callback_t new_callback)
: expected_count { new_expected_count }, callback { new_callback }, count { 0 } {}
constexpr bool must_appear() const {
return static_cast<uint8_t>(expected_count) & static_cast<uint8_t>(expected_count_t::_MUST_APPEAR);
}
constexpr bool can_repeat() const {
return static_cast<uint8_t>(expected_count) & static_cast<uint8_t>(expected_count_t::_CAN_REPEAT);
}
};
using enum dictionary_entry_t::expected_count_t;
using key_map_t = std::map<std::string, dictionary_entry_t, std::less<void>>;
constexpr struct allow_other_keys_t {} ALLOW_OTHER_KEYS;
node_callback_t _expect_dictionary_keys_and_length(length_callback_t length_callback, bool allow_other_keys, key_map_t&& key_map);
template<typename... Args>
node_callback_t _expect_dictionary_keys_and_length(length_callback_t length_callback,
bool allow_other_keys, key_map_t&& key_map,
const std::string_view key, dictionary_entry_t::expected_count_t expected_count, node_callback_t callback,
Args... args) {
if (key_map.find(key) == key_map.end()) {
key_map.emplace(key, dictionary_entry_t { expected_count, callback });
} else {
Logger::error("Duplicate expected dictionary key: ", key);
}
return _expect_dictionary_keys_and_length(length_callback, allow_other_keys, std::move(key_map), args...);
}
template<typename... Args>
node_callback_t expect_dictionary_keys_and_length(length_callback_t length_callback,
const std::string_view key, dictionary_entry_t::expected_count_t expected_count, node_callback_t callback,
Args... args) {
return _expect_dictionary_keys_and_length(length_callback, false, {}, key, expected_count, callback, args...);
}
template<typename... Args>
node_callback_t expect_dictionary_keys_and_length(length_callback_t length_callback,
allow_other_keys_t, Args... args) {
return _expect_dictionary_keys_and_length(length_callback, true, {}, args...);
}
template<typename... Args>
node_callback_t expect_dictionary_keys(Args... args) {
return expect_dictionary_keys_and_length(default_length_callback, args...);
}
template<typename T>
concept Reservable = requires(T& t) {
{ t.size() } -> std::same_as<size_t>;
t.reserve(size_t {});
};
template<Reservable T>
node_callback_t expect_list_reserve_length(T& t, node_callback_t callback) {
return expect_list_and_length(
[&t](size_t size) -> size_t {
t.reserve(t.size() + size);
return size;
},
callback
);
}
template<Reservable T>
node_callback_t expect_dictionary_reserve_length(T& t, key_value_callback_t callback) {
return expect_list_reserve_length(t, expect_assign(callback));
}
node_callback_t name_list_callback(std::vector<std::string>& list);
template<typename T>
callback_t<T> assign_variable_callback(T& var) {
return [&var](T val) -> bool {
var = val;
return true;
};
}
template<typename T>
callback_t<T&&> move_variable_callback(T& var) {
return [&var](T&& val) -> bool {
var = std::move(val);
return true;
};
}
template<typename T>
requires requires(T& t) {
t += T {};
}
callback_t<T> add_variable_callback(T& var) {
return [&var](T val) -> bool {
var += val;
return true;
};
}
template<typename T>
requires requires(T& t) {
t--;
}
node_callback_t decrement_callback(T& var, node_callback_t callback) {
return [&var, callback](ast::NodeCPtr node) -> bool {
var--;
return callback(node);
};
}
template<typename T>
requires(std::integral<T>)
callback_t<uint64_t> assign_variable_callback_uint(const std::string_view name, T& var) {
return [&var, name](uint64_t val) -> bool {
if (val <= static_cast<uint64_t>(std::numeric_limits<T>::max())) {
var = val;
return true;
}
Logger::error("Invalid ", name, ": ", val, " (valid range: [0, ",
static_cast<uint64_t>(std::numeric_limits<T>::max()), "])");
return false;
};
}
template<typename T>
requires(std::signed_integral<T>)
callback_t<int64_t> assign_variable_callback_int(const std::string_view name, T& var) {
return [&var, name](int64_t val) -> bool {
if (static_cast<int64_t>(std::numeric_limits<T>::lowest()) <= val && val <= static_cast<int64_t>(std::numeric_limits<T>::max())) {
var = val;
return true;
}
Logger::error("Invalid ", name, ": ", val, " (valid range: [",
static_cast<int64_t>(std::numeric_limits<T>::lowest()), ", ",
static_cast<int64_t>(std::numeric_limits<T>::max()), "])");
return false;
};
}
template<typename T>
callback_t<T const&> assign_variable_callback_pointer(T const*& var) {
return [&var](T const& val) -> bool {
var = &val;
return true;
};
}
}
}
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