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41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
#pragma once
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#include <charconv>
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <utility>
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// Parsing helpers for console lines, admin requests and chat commands.
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namespace dingosdk::server {
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inline std::string_view trim(std::string_view text) {
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const auto first = text.find_first_not_of(" \t");
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if (first == std::string_view::npos) return {};
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return text.substr(first, text.find_last_not_of(" \t") - first + 1);
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}
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// The first word and the rest, both trimmed.
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inline std::pair<std::string_view, std::string_view> split(std::string_view text) {
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text = trim(text);
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const auto space = text.find(' ');
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if (space == std::string_view::npos) return {text, {}};
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return {text.substr(0, space), trim(text.substr(space + 1))};
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}
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inline std::optional<std::uint64_t> number(std::string_view text) {
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std::uint64_t value{};
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const auto result = std::from_chars(text.data(), text.data() + text.size(), value);
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if (result.ec != std::errc{} || result.ptr != text.data() + text.size()) return {};
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return value;
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}
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inline std::optional<bool> on_off(std::string_view text) {
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if (text == "on" || text == "true" || text == "yes") return true;
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if (text == "off" || text == "false" || text == "no") return false;
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return {};
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}
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inline std::string lower(std::string_view text) {
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std::string result(text);
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for (auto &c : result)
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if (c >= 'A' && c <= 'Z') c = static_cast<char>(c + 32);
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return result;
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}
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} // namespace dingosdk::server
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