84 lines
2.1 KiB
C++
84 lines
2.1 KiB
C++
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#include "settings.h"
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#include "exception.h"
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#include "ml_date.h"
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namespace usql {
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std::vector<std::pair<std::string, std::string>> Settings::m_settings =
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{ std::make_pair("DATE_FORMAT", "%Y-%m-%d %H:%M:%S"),
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std::make_pair("BOOL_TRUE_LITERAL", "Y"),
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std::make_pair("BOOL_FALSE_LITERAL", "N"),
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std::make_pair("DOUBLE_FORMAT", "%.2f") };
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long Settings::string_to_int(const std::string &intstr) {
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return std::stoi(intstr);
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}
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std::string Settings::int_to_string(long intval) {
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return std::to_string(intval);
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}
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double Settings::string_to_double(const std::string &doublestr) {
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return std::stod(doublestr); // TODO use fast parsing
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}
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std::string Settings::double_to_string(double d) {
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char buffer[32];
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int r, buf_size = 32;
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r = snprintf(buffer, buf_size, get_setting("DOUBLE_FORMAT").c_str(), d);
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if (r > 0 && r < buf_size) return std::string(buffer);
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// ?? return std::to_string(d);
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return "ERROR";
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}
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long Settings::string_to_date(const std::string &datestr) {
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return ::string_to_date(datestr, get_setting("DATE_FORMAT"));
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}
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std::string Settings::date_to_string(long date) {
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return ::date_to_string(date, get_setting("DATE_FORMAT"));
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}
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bool Settings::string_to_bool(const std::string &boolstr) {
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if (boolstr=="true" || boolstr == get_setting("BOOL_TRUE_LITERAL"))
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return true;
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if (boolstr=="false" || boolstr == get_setting("BOOL_FALSE_LITERAL"))
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return false;
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throw Exception("string_to_bool, unrecognized value: " + boolstr);
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}
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std::string Settings::bool_to_string(bool boolval) {
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return boolval ? "true" : "false";
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}
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std::string Settings::get_setting(const std::string &name) {
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for(const auto& pair : m_settings) {
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if (pair.first == name) return pair.second;
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}
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throw Exception("unsupported setting name: " + name);
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}
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void Settings::set_setting(const std::string &name, const std::string &value) {
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for (auto it = begin(m_settings); it != end(m_settings); ++it) {
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if (it->first == name) {
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*it = std::make_pair(name, value);
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return;
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}
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}
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throw Exception("unsupported setting name: " + name);
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}
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} // namespace
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