Martino FerrariandClaude Opus 4.6
3896f404a9
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
// SPDX-License-Identifier: MIT
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// SPDX-FileCopyrightText: 2026 Martino Ferrari
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#pragma once
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#include <string>
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#include <utility>
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#include <vector>
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namespace udpscope {
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/// A source's settings: an ordered string key/value map. It is the stored form (top-level
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/// `source_opt_<key>` entries of a session), the `--source-opt k=v` form, and what a config form
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/// reads and writes. Order is insertion order, so a stored session stays diff-friendly.
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class SourceConfig {
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public:
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using Items = std::vector<std::pair<std::string, std::string>>;
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SourceConfig() = default;
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explicit SourceConfig(Items items) : items_(std::move(items)) {}
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/// Replaces the value in place if the key exists, else appends.
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void set(const std::string& key, const std::string& value);
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bool has(const std::string& key) const;
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std::string get(const std::string& key, const std::string& def = {}) const;
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long get_int(const std::string& key, long def) const;
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double get_double(const std::string& key, double def) const;
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/// 1/true/yes/on and 0/false/no/off (case-insensitive); anything else gives `def`.
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bool get_bool(const std::string& key, bool def) const;
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/// Parses `k=v`; false (and no change) if there is no `=` or the key is not `valid_key`.
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bool parse_assignment(const std::string& kv);
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const Items& items() const noexcept { return items_; }
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bool empty() const noexcept { return items_.empty(); }
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/// `[A-Za-z0-9_]+` -- the characters that survive as a TOML bare key suffix.
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static bool valid_key(const std::string& key);
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private:
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Items items_;
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};
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} // namespace udpscope
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