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156 lines
3.3 KiB
156 lines
3.3 KiB
/* Generated by re2c 3.0 */
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#line 1 "espurna/led_pattern.re"
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/*
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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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#line 33 "espurna/led_pattern.re.ipp"
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const char *yyt1;const char *yyt2;const char *yyt3;
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#line 30 "espurna/led_pattern.re"
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#line 38 "espurna/led_pattern.re.ipp"
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{
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char yych;
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yych = (char)*YYCURSOR;
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switch (yych) {
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case '\t':
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case ' ': goto yy3;
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case '0' ... '9':
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yyt1 = YYCURSOR;
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goto yy5;
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default:
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if (YYLIMIT <= YYCURSOR) goto yy13;
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goto yy1;
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}
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yy1:
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++YYCURSOR;
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yy2:
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#line 44 "espurna/led_pattern.re"
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{ return; }
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#line 57 "espurna/led_pattern.re.ipp"
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yy3:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '\t':
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case ' ': goto yy3;
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default: goto yy4;
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}
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yy4:
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#line 46 "espurna/led_pattern.re"
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{ goto loop; }
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#line 68 "espurna/led_pattern.re.ipp"
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yy5:
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yych = (char)*(YYMARKER = ++YYCURSOR);
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switch (yych) {
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case ',': goto yy6;
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case '0' ... '9': goto yy8;
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default: goto yy2;
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}
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yy6:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9':
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yyt2 = YYCURSOR;
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goto yy9;
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default: goto yy7;
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}
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yy7:
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YYCURSOR = YYMARKER;
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goto yy2;
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yy8:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case ',': goto yy6;
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case '0' ... '9': goto yy8;
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default: goto yy7;
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}
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yy9:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case ',': goto yy10;
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case '0' ... '9': goto yy9;
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default: goto yy7;
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}
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yy10:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9':
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yyt3 = YYCURSOR;
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goto yy11;
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default: goto yy7;
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}
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yy11:
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yych = (char)*++YYCURSOR;
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switch (yych) {
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case '0' ... '9': goto yy11;
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default: goto yy12;
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}
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yy12:
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on1 = yyt1;
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off1 = yyt2;
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repeat1 = yyt3;
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on2 = yyt2 - 1;
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off2 = yyt3 - 1;
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repeat2 = YYCURSOR;
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#line 48 "espurna/led_pattern.re"
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{
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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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#line 149 "espurna/led_pattern.re.ipp"
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yy13:
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#line 43 "espurna/led_pattern.re"
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{ return; }
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#line 153 "espurna/led_pattern.re.ipp"
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}
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#line 74 "espurna/led_pattern.re"
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}
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