120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
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#include "conversion.hpp"
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#include "../exceptions.hpp"
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#include "../regex.hpp"
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namespace gz {
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bool isInt(const std::string& s) {
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return std::regex_match(s, re::types::intT);
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}
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bool isInt(const std::string_view& s) {
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return re::regex_match(s, re::types::intT);
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}
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bool isUInt(const std::string& s) {
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return std::regex_match(s, re::types::uintT);
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}
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bool isUInt(const std::string_view& s) {
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return re::regex_match(s, re::types::uintT);
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}
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bool isFloal(const std::string& s) {
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return std::regex_match(s, re::types::floatT);
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}
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bool isFloat(const std::string_view& s) {
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return re::regex_match(s, re::types::floatT);
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}
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int getIntOr(const std::string& s, int fallback) noexcept {
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try {
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fallback = std::stoi(s);
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}
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catch (...) {}
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return fallback;
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}
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unsigned int getUnsignedIntOr(const std::string& s, unsigned int fallback) noexcept {
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try {
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fallback = std::stoul(s);
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}
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catch (...) {}
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return fallback;
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}
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double getDoubleOr(const std::string& s, double fallback) noexcept {
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try {
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fallback = std::stod(s);
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}
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catch (...) {}
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return fallback;
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}
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float getFloatOr(const std::string& s, float fallback) noexcept {
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try {
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fallback = std::stof(s);
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}
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catch (...) {}
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return fallback;
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}
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bool getBoolOr(const std::string& s, bool fallback) noexcept {
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if (s == "true" or s == "True" or s == "1") {
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fallback = true;
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}
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else if (s == "false" or s == "False" or s == "0") {
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fallback = false;
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}
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return fallback;
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}
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std::string getStringOr(const std::string& s, const std::string& fallback) noexcept {
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if (s == "") { return fallback; }
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else { return s; }
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}
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// TODO: remove?
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/* // int = 0, double = 1, string = 2 */
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/* std::variant<std::string, int, double, bool> getVariant(std::string value, GetVariantType type, bool bFallback, int iFallback, double dFallback, const char* sFallback) { */
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/* std::variant<std::string, int, double, bool> val = value; */
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/* /1* cout << "id-attr" << id << attr << "val: " << std::get<string>(val); *1/ */
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/* switch (type) { */
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/* // to integer */
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/* case INT: */
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/* val = getIntOr(value, iFallback); */
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/* break; */
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/* case DOUBLE: */
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/* val = getDoubleOr(value, dFallback); */
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/* break; */
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/* case BOOL: */
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/* val = getBoolOr(value, bFallback); */
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/* break; */
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/* case STRING: */
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/* val = getStringOr(value, sFallback); */
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/* break; */
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/* } */
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/* return val; */
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/* } */
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//
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// CONVERT FROM STRING
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//
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template<>
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bool fromString<bool>(const std::string& s) {
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if (s == "true" or s == "True" or s == "1") {
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return true;
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}
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else if (s == "false" or s == "False" or s == "0") {
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return false;
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}
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throw InvalidArgument("s is not a bool: '" + s + "'", "fromString<bool>");
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}
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} // namespace gz
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