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76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
#pragma once
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#include <string>
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#include <sstream>
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#include <cstdint>
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#undef major
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#undef minor
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// Parses version strings of the format "Major.Minor.Sub" and lets you interact with them conveniently.
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struct Version {
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Version() : major(0), minor(0), sub(0) {}
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Version(const std::string &str) {
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if (!ParseVersionString(str)) {
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major = -1;
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minor = -1;
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sub = -1;
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}
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}
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int major;
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int minor;
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int sub;
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bool IsValid() const {
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return sub >= 0 && minor >= 0 && major >= 0;
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}
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bool operator == (const Version &other) const {
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return major == other.major && minor == other.minor && sub == other.sub;
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}
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bool operator != (const Version &other) const {
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return !(*this == other);
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}
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bool operator <(const Version &other) const {
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if (major < other.major) return true;
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if (major > other.major) return false;
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if (minor < other.minor) return true;
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if (minor > other.minor) return false;
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if (sub < other.sub) return true;
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if (sub > other.sub) return false;
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return false;
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}
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bool operator >=(const Version &other) const {
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return !(*this < other);
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}
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std::string ToString() const;
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int ToInteger() const;
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private:
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bool ParseVersionString(std::string str);
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};
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bool ParseMacAddress(const std::string &str, uint8_t macAddr[6]);
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bool TryParse(const std::string &str, bool *const output);
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bool TryParse(const std::string &str, uint32_t *const output);
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bool TryParse(const std::string &str, uint64_t *const output);
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template <typename N>
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static bool TryParse(const std::string &str, N *const output) {
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std::istringstream iss(str);
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N tmp = 0;
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if (iss >> tmp) {
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*output = tmp;
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return true;
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} else
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return false;
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}
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void NiceSizeFormat(uint64_t size, char *out, size_t bufSize);
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std::string NiceSizeFormat(uint64_t size);
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