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75 lines
1.9 KiB
75 lines
1.9 KiB
/*
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LED MODULE
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Copyright (C) 2020-2021 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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*/
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#pragma once
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// Scans input string with format
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// '<on1>,<off1>,<repeats1> <on2>,<off2>,<repeats2> ...'
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// And returns a list of Delay objects for the pattern
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Pattern::Pattern(espurna::StringView value) {
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const char* on1;
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const char* on2;
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const char* off1;
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const char* off2;
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const char* repeat1;
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const char* repeat2;
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const char* YYCURSOR { value.begin() };
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const char* YYLIMIT { value.end() };
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const char* YYMARKER;
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loop:
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/*!stags:re2c format = 'const char *@@;'; */
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/*!re2c
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re2c:define:YYCTYPE = char;
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re2c:flags:tags = 1;
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re2c:yyfill:enable = 0;
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re2c:yych:conversion = 1;
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re2c:indent:top = 1;
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re2c:eof = 0;
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end = "\x00";
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wsp = [ \t]+;
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num = [0-9]+;
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$ { return; }
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* { return; }
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wsp { goto loop; }
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@on1 num @on2 [,] @off1 num @off2 [,] @repeat1 num @repeat2 {
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const auto on = parseUnsigned(StringView(on1, on2), 10);
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if (!on.ok) {
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return;
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}
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const auto off = parseUnsigned(StringView(off1, off2), 10);
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if (!off.ok) {
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return;
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}
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using Repeats = Delay::Repeats;
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constexpr Repeats RepeatsMax { Delay::RepeatsMax };
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const auto repeats = parseUnsigned(StringView(repeat1, repeat2), 10);
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if (!repeats.ok) {
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return;
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}
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_delays.emplace_back(
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std::min(duration::Milliseconds(on.value), Delay::MillisecondsMax),
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std::min(duration::Milliseconds(off.value), Delay::MillisecondsMax),
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std::min(repeats.value, RepeatsMax));
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if (repeats.value) {
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goto loop;
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}
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}
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*/
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}
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