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204 lines
5.7 KiB
C++
204 lines
5.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2020 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#include <QStringList>
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#include <QDebug>
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#include "util/morse.h"
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// ITU encoding with a few extras
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const struct Morse::ASCIIToMorse Morse::m_asciiToMorse[] = {
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{' ', " "},
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{'!', "-.-.--"}, // Non-ITU
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{'\"', ".-..-."},
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{'#', ""},
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{'$', "...-..-"}, // Non-ITU
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{'%', ""},
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{'&', ".-..."},
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{'\'', ".----."},
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{'(', "-.--."},
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{')', "-.--.-"},
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{'*', "_.._"},
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{'+', ".-.-."},
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{',', "--..--"},
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{'-', "-....-"},
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{'.', ".-.-.-"},
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{'/', "-..-."},
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{'0', "-----"},
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{'1', ".----"},
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{'2', "..---"},
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{'3', "...--"},
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{'4', "....-"},
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{'5', "....."},
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{'6', "-...."},
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{'7', "--..."},
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{'8', "---.."},
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{'9', "----."},
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{':', "---..."},
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{';', "-.-.-."}, // Non-ITU
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{'<', ""},
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{'=', "-...-"},
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{'>', ""},
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{'?', "..--.."},
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{'@', ".--.-."},
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{'A', ".-"},
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{'B', "-..."},
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{'C', "-.-."},
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{'D', "-.."},
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{'E', "."},
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{'F', "..-."},
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{'G', "--."},
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{'H', "...."},
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{'I', ".."},
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{'J', ".---"},
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{'K', "-.-"},
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{'L', ".-.."},
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{'M', "--"},
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{'N', "-."},
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{'O', "---"},
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{'P', ".--."},
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{'Q', "--.-"},
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{'R', ".-."},
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{'S', "..."},
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{'T', "-"},
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{'U', "..-"},
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{'V', "...-"},
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{'W', ".--"},
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{'X', "-..-"},
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{'Y', "-.--"},
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{'Z', "--.."},
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{'[', ""},
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{'\\', ""},
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{']', ""},
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{'^', ""},
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{'_', "..--.-"}, // Non-ITU
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{'`', ""},
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{'a', ".-"},
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{'b', "-..."},
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{'c', "-.-."},
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{'d', "-.."},
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{'e', "."},
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{'f', "..-."},
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{'g', "--."},
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{'h', "...."},
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{'i', ".."},
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{'j', ".---"},
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{'k', "-.-"},
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{'l', ".-.."},
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{'m', "--"},
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{'n', "-."},
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{'o', "---"},
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{'p', ".--."},
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{'q', "--.-"},
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{'r', ".-."},
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{'s', "..."},
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{'t', "-"},
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{'u', "..-"},
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{'v', "...-"},
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{'w', ".--"},
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{'x', "-..-"},
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{'y', "-.--"},
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{'z', "--.."},
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{'{', ""},
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{'|', ""},
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{'}', ""},
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{'~', ""}
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};
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// Convert ASCII character to Morse code sequence consisting of . and - characters
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QString Morse::toMorse(char ascii)
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{
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char firstChar = m_asciiToMorse[0].ascii;
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if ((ascii >= firstChar) && (ascii < 127))
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return QString(m_asciiToMorse[ascii - firstChar].morse);
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else
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return QString();
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}
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// Convert string to Morse code sequence consisting of . and - characters separated by spaces
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QString Morse::toMorse(QString &string)
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{
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QStringList list;
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for (int i = 0; i < string.size(); i++)
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{
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if (i != 0)
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list.append(" ");
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list.append(toMorse(string.at(i).toLatin1()));
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}
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return list.join("");
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}
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// Converts Morse code sequence using ASCII . and - to Unicode bullet and minus sign
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// which are horizontally aligned, so look nicer in GUIs
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QString Morse::toUnicode(QString &morse)
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{
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return morse.replace(QChar('.'), QChar(0x2022)).replace(QChar('-'), QChar(0x2212));
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}
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// Converts a string to a unicode Morse sequence with extra space characters between
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// dots and dashes to improve readability in GUIs
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QString Morse::toSpacedUnicode(QString &morse)
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{
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QString temp = toUnicode(morse);
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for (int i = 0; i < temp.size(); i+=2)
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temp.insert(i, ' ');
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return temp;
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}
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// Converts a string to a unicode Morse sequence
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QString Morse::toUnicodeMorse(QString &string)
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{
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QString ascii = toMorse(string);
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return ascii.replace(QChar('.'), QChar(0x2022)).replace(QChar('-'), QChar(0x2212));
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}
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// Converts a string to a unicode Morse sequence with spacing between dots and dashes
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QString Morse::toSpacedUnicodeMorse(QString &string)
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{
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QString temp = toUnicodeMorse(string);
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for (int i = 0; i < temp.size(); i+=2)
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temp.insert(i, ' ');
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return temp;
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}
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#define COUNT_OF(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
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// Converts a Morse sequence to an ASCII character. -1 if no mapping found.
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int Morse::toASCII(QString &morse)
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{
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for (unsigned int i = 0; i < COUNT_OF(m_asciiToMorse); i++)
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{
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if (morse == m_asciiToMorse[i].morse)
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return m_asciiToMorse[i].ascii;
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}
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return -1;
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}
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// Converts a sequence of Morse code to a string. Unknown Morse codes are ignored.
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QString Morse::toString(QString &morse)
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{
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QString string("");
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QStringList groups = morse.split(" ");
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for (int i = 0; i < groups.size(); i++)
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{
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int c = Morse::toASCII(groups[i]);
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if ((c != -1) && (groups[i] != ""))
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string.append(c);
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}
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return string;
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}
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