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https://github.com/RobTillaart/Arduino.git
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158 lines
2.6 KiB
C++
158 lines
2.6 KiB
C++
//
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// FILE: LineFormatter.cpp
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// PURPOSE: Simpe positioning wrapper class for Serial
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// DATE: 2020-05-14
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// URL: https://github.com/RobTillaart/LineFormatter
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//
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// HISTORY:
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// 0.1.0 2020-05-14 initial version
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//
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#include "LineFormatter.h"
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LineFormatter::LineFormatter(Print* stream)
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{
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_stream = stream;
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_pos = 0;
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_maxPos = 0;
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_lineCount = 0;
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_anl = 0;
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_autoNewLine = 0;
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_tabCount = 0;
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};
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///////////////////////////////////////////
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//
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// WRITE - the core
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//
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size_t LineFormatter::write(uint8_t c)
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{
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// handle tabs.
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if (_tabCount && c == '\t')
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{
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write(' ');
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for (int i = 0; i < _tabCount; i++)
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{
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if (_tabStop[i] > _pos + 1) // assume sorted
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{
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gotoPos(_tabStop[i] - 1);
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break;
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}
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}
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}
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else
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{
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_stream->write(c);
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_pos++;
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}
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// handle return
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if (c == '\n')
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{
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_pos = 0;
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_lineCount++;
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_anl++;
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}
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// handle maxpos
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if (_maxPos && _pos == _maxPos)
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{
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write('\n');
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}
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// handle autoNewLine
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if (_autoNewLine && (_anl == _autoNewLine))
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{
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write('\n');
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_anl = 0;
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}
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return 1;
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}
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///////////////////////////////////////////
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//
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// REPEAT
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//
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void LineFormatter::repeat(uint8_t n, char c, uint8_t newLine)
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{
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while (n--) print(c);
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while (newLine--) write('\n');
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}
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void LineFormatter::repeat(uint8_t n, const char* str, uint8_t newLine)
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{
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while (n--) print(str);
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while (newLine--) write('\n');
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}
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///////////////////////////////////////////
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//
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// AUTONEWLINE
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//
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void LineFormatter::setAutoNewLine(uint8_t n)
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{
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_autoNewLine = n;
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_anl = 0;
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};
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///////////////////////////////////////////
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//
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// TAB
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//
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void LineFormatter::clearTabs()
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{
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_tabCount = 0;
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for (uint8_t i = 0; i < MAX_TAB_STOPS; i++)
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{
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_tabStop[i] = 0;
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}
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};
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bool LineFormatter::addTab(uint8_t n)
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{
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if (_tabCount >= MAX_TAB_STOPS) return false;
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_tabStop[_tabCount] = n;
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_tabCount++;
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return true;
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}
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bool LineFormatter::addRelTab(uint8_t n)
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{
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if (_tabCount >= MAX_TAB_STOPS) return false;
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uint8_t newPos = n;
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if (_tabCount != 0) newPos += _tabStop[_tabCount - 1];
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addTab(newPos);
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return true;
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}
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///////////////////////////////////////////
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//
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// DEBUGGING
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//
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void LineFormatter::printRuler(uint8_t n)
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{
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// for (int i = 0; i < _tabCount; i++) _stream->println(_tabStop[i]);
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// return;
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uint8_t t = 0;
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for (int i = 1; i <= n; i++)
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{
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char c = '.';
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if (i && i % 5 == 0) c = '5';
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if (i && i % 10 == 0) c = '0';
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if (_tabCount && (t < _tabCount) && (i == _tabStop[t]))
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{
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c = '#';
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t++;
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}
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write(c);
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}
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write('\n');
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}
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// -- END OF FILE --
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