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236 lines (180 loc) · 7.48 KB
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#include <pythonic.h>
#include "query_processor.h"
#include "optimizing/optimize_query_processor.h"
#include "plotting/plot_manager.h"
#include "solving/solver.h"
void process_user_input(const int argc, const char* argv[])
{
// Test:
// for (size_t index = 0; index < argc; index++) cout << std::endl << argv[index] << std::endl;
// Get the input filename from command line arg:
if (argc == 3) // 3 because there is the name of the file first, command name and the file path with parameters.
{
std::string command = argv[1];
std::string filename = argv[2];
std::cout << "Command: " << command << std::endl;
std::cout << "Filename: " << filename << std::endl;
if (command == "optimize") {
auto query = load_optimization_query_from_json(filename);
auto res = process_optimization_query(query);
if (res.has_error_message)
{
std::string answer = "В результате обработки Вашего запроса возникла ошибка! Вот она: \"" + res.error_message + "\"\n";
write_file<given_filename_encoding::utf8>(answer, query.target_path);
}
else {
std::stringstream ss;
ss << res.answer;
std::string str_umap = ss.str();
std::string answer = "Я смог найти минимум функции \"" + query.expression + "\" при этих значениях переменных: \n" +
str_umap + "\nИтоговое значение функции в этой точке: " + std::to_string(res.best_value) + ".";
write_file<given_filename_encoding::utf8>(answer, query.target_path);
}
std::string from_out_file = *read_file<given_filename_encoding::utf8>(query.target_path);
/*
// recode::auto_recode(from_)
// std::cout << recode::determine_encoding(from_out_file) << std::endl;
// std::cout << recode::to_cp1251(from_out_file) << std::endl;
*/
std::cout << "Output: " << "\"" << console_colors::bold << console_colors::blue <<
from_out_file
<< console_colors::remove_all_colors << "\"" << std::endl;
}
else if (command == "plot")
{
auto file_contents = *read_file<given_filename_encoding::utf8>(filename);
json j = json::parse(file_contents);
auto query = j.get<plotting_query>();
auto response = process_plotting_query(query);
if (response) {
// Have some error!
write_file<given_filename_encoding::utf8>(
"Увы, я не могу за`plot`ить эту штуковину! Появилась ошибка: \""s + *response + "\"", query.text_path
);
std::cout << "There are some errors with plotting!" << std::endl;
return;
}
write_file<given_filename_encoding::utf8>("", query.text_path);
}
else if (command == "solve")
{
// std::cout << "This command is being developed! :(..." << std::endl;
auto file_contents = *read_file<given_filename_encoding::utf8>(filename);
json j = json::parse(file_contents);
auto query = j.get<equation_solving_query>();
auto response = process_solving_query(query);
if (std::holds_alternative<std::string>(response)) {
/// There`s an error!
std::string answer = "Не получилось решить уравнение! В ходе решения возникла ошбика: " + std::get<std::string>(response);
write_file<given_filename_encoding::utf8>(answer, query.target_path);
}
else {
/// Everything goes as expected:
std::stringstream ss;
ss << "Уравнение решено. Вот один из его корней: " << std::get<std::unordered_map<std::string, double>>(response);
write_file<given_filename_encoding::utf8>(ss.str(), query.target_path);
}
// out_file.close();
std::string from_out_file = *read_file<given_filename_encoding::utf8>(query.target_path);
std::cout << "Output: " << "\"" << console_colors::bold << console_colors::blue <<
from_out_file
<< console_colors::remove_all_colors << "\"" << std::endl;
}
else
{
std::cout << "Unknown command!" << std::endl;
}
}
else
{
std::cout << "Usage: pass 2 argumentы: command name (i.e. \"optimize\") and the name of input json file with other parameters!" << std::endl;
}
}
///////////////////////////////////////////////////////////////////////////////////
//////////////////////////// Loading queries //////////////////////////
///////////////////////////////////////////////////////////////////////////////////
optimization_query load_optimization_query_from_json(const std::string& filename)
{
optimization_query res;
json file_data = json::parse(*read_file<given_filename_encoding::utf8>(filename));
res.target_minimum = file_data["data"]["target_minimum"].get<double>();
res.expression = recode::auto_recode(file_data["data"]["function"].get<std::string>(), encoding::cp1251);
for (auto& var : file_data["data"]["variables"])
{
res.variables.insert(recode::to_cp1251(var.get<std::string>()));
}
for (auto& var: file_data["data"]["variable_ranges"].items())
{
res.variable_ranges[recode::to_cp1251(var.key())] = { var.value()[0].get<double>(), var.value()[1].get<double>() };
}
res.user_name = file_data["name"].get<std::string>();
res.iterations = file_data["iterations"].get<size_t>();
res.target_path = file_data["target_path"].get<std::string>();
res.identifier = file_data["identifier"].get<std::string>();
return res;
}
void to_json (json &j, const plotting_query &query)
{
json common_json;
to_json(common_json, *dynamic_cast<const base_query*>(&query));
j = common_json;
auto new_query = query;
for (auto& function : new_query.functions) {
function = recode::auto_recode(function, encoding::utf8);
}
j["data"] = {
{ "functions", new_query.functions },
{ "from", query.from },
{ "to", query.to },
{ "steps", query.steps },
{ "text_path", query.text_path },
};
}
void from_json (const json &j, plotting_query &query)
{
auto& fake_base = *reinterpret_cast<base_query*>(&query);
from_json(j, fake_base);
query.to = j["data"]["to"].get<double>();
query.from = j["data"]["from"].get<double>();
query.steps = j["data"]["steps"].get<size_t>();
query.functions = j["data"]["functions"].get<std::vector<std::string>>();
for (auto &function : query.functions) {
function = recode::auto_recode(function, encoding::cp1251);
}
query.text_path = j["text_path"].get<std::string>();
}
/// _____________________________________
void to_json (json &j, const base_query &query)
{
j = {
{ "identifier", query.identifier },
{ "target_path", query.target_path },
{ "name", query.user_name },
};
}
void from_json (const json &j, base_query &query)
{
query = {
j["name"].get<std::string>(),
j["target_path"].get<std::string>(),
j["identifier"].get<std::string>(),
};
}
/// _____________________________________
void from_json(const json& j, equation_solving_query& query){
auto& fake_base = *reinterpret_cast<base_query*>(&query);
from_json(j, fake_base);
auto& data = j["data"];
query.expression = recode::auto_recode(data["function"].get<std::string>(), encoding::cp1251);
query.iterations = j["iterations"].get<size_t>();
// Complicated things with strings, that need to be encoded:
auto temp_variables = data["variables"].get<std::unordered_set<std::string>>();
auto temp_variable_ranges = data["variable_ranges"].get<std::unordered_map<std::string, std::pair<double, double>>>();
// Recode from utf8 to cp1251:
for (auto& p : temp_variables) {
query.variables.insert(recode::to_cp1251(p));
}
for (auto& p : temp_variable_ranges) {
query.variable_ranges.emplace(recode::to_cp1251(p.first), p.second);
}
}