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45 lines
1.2 KiB
45 lines
1.2 KiB
/*
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Part of the TERMINAL MODULE
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Copyright (C) 2016-2019 by Xose Pérez <xose dot perez at gmail dot com>
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Copyright (C) 2020 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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*/
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#pragma once
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#include <Arduino.h>
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#include <vector>
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namespace terminal {
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namespace parsing {
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// Generic command line parser
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// - split each arg from the input line and put them into the argv array
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// - argc is expected to be equal to the argv
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struct CommandLine {
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std::vector<String> argv;
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size_t argc;
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};
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CommandLine parse_commandline(const char *line);
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// Fowler–Noll–Vo hash function to hash command strings that treats input as lowercase
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// ref: https://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
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//
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// TODO: afaik, unordered_map should handle collisions (however rare they are in our case)
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// if not, we can always roll static commands allocation and just match strings
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// with LowercaseEquals (which is not that much slower)
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template <typename T>
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struct LowercaseFnv1Hash {
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size_t operator()(const T& str) const;
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};
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template <typename T>
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struct LowercaseEquals {
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bool operator()(const T& lhs, const T& rhs) const;
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};
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}
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}
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