65 lines
1.4 KiB
C++
65 lines
1.4 KiB
C++
#pragma once
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#include <stddef.h>
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#include <map>
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#include <string>
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#include <sstream>
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#define ERR_NO_VALUE -33
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class Params {
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private:
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std::string params_path;
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public:
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Params(bool persistent_param = false);
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Params(const std::string &path);
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// Delete a value
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int remove(const char *key);
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inline int remove(const std::string &key) {
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return remove (key.c_str());
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}
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// read all values
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int read_db_all(std::map<std::string, std::string> *params);
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// read a value
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std::string get(const char *key, bool block = false);
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inline std::string get(const std::string &key, bool block = false) {
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return get(key.c_str(), block);
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}
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template <class T>
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std::optional<T> get(const char *key, bool block = false) {
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std::istringstream iss(get(key, block));
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T value{};
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iss >> value;
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return iss.fail() ? std::nullopt : std::optional(value);
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}
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inline bool getBool(const std::string &key) {
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return getBool(key.c_str());
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}
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inline bool getBool(const char *key) {
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return get(key) == "1";
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}
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// write a value
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int put(const char* key, const char* val, size_t value_size);
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inline int put(const std::string &key, const std::string &val) {
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return put(key.c_str(), val.data(), val.size());
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}
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inline int putBool(const char *key, bool val) {
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return put(key, val ? "1" : "0", 1);
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}
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inline int putBool(const std::string &key, bool val) {
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return putBool(key.c_str(), val);
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}
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};
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