Source code for submission s846

morseCode.cpp

  1. #include <iostream>
  2. #include <cstdlib>
  3. #include <string.h>
  4. #include <cstring>
  5. #include<string>
  6. using namespace std;
  7.  
  8. char * Library( char letter )
  9. 	{
  10. 	//cout << "IN library" << endl;
  11. 	char * morseCode;
  12. 	//delete morsecode
  13. 	switch ( letter )
  14. 		{
  15. 		case 'A':  morseCode = new char [3]; strcpy(morseCode, ".-");break;
  16. 		case 'B':  morseCode = new char [5]; strcpy(morseCode, "-...");break;
  17. 		case 'C':  morseCode = new char [5]; strcpy(morseCode, "-.-.");break;
  18. 		case 'D':  morseCode = new char [4]; strcpy(morseCode, "-..");break;
  19. 		case 'E':  morseCode = new char [2]; strcpy(morseCode, ".");break;
  20. 		case 'F':  morseCode = new char [5]; strcpy(morseCode, "..-.");break;
  21. 		case 'G':  morseCode = new char [4]; strcpy(morseCode, "--.");break;
  22. 		case 'H':  morseCode = new char [5]; strcpy(morseCode, "....");break;
  23. 		case 'I':  morseCode = new char [3]; strcpy(morseCode, "..");break;
  24. 		case 'J':  morseCode = new char [5]; strcpy(morseCode, ".---");break;
  25. 		case 'K':   morseCode = new char [4]; strcpy(morseCode, "-.-");break;
  26. 		case 'L':   morseCode = new char [5]; strcpy(morseCode, ".-..");break;
  27. 		case 'M':   morseCode = new char [3]; strcpy(morseCode, "--");break;
  28. 		case 'N':   morseCode = new char [3]; strcpy(morseCode, "-.");break;
  29. 		case 'O':   morseCode = new char [4]; strcpy(morseCode,  "---");break;
  30. 		case 'P':   morseCode = new char [5]; strcpy(morseCode, ".--.");break;
  31. 		case 'Q':   morseCode = new char [5]; strcpy(morseCode,  "--.-");break;
  32. 		case 'R':   morseCode = new char [4]; strcpy(morseCode,  ".-.");break;
  33. 		case 'S':   morseCode = new char [4]; strcpy(morseCode,  "...");break;
  34. 		case 'T':   morseCode = new char [2]; strcpy(morseCode,  "-");break;
  35. 		case 'U':   morseCode = new char [4]; strcpy(morseCode,  "..-");break;
  36. 		case 'V':   morseCode = new char [5]; strcpy(morseCode,  "...-");break;
  37. 		case 'W':   morseCode = new char [4]; strcpy(morseCode, ".--");break;
  38. 		case 'X':   morseCode = new char [5]; strcpy(morseCode,  "-..-");break;
  39. 		case 'Y':   morseCode = new char [5]; strcpy(morseCode,  "-.--");break;
  40. 		case 'Z':   morseCode = new char [5]; strcpy(morseCode,  "--..");break;
  41. 		case '_':   morseCode = new char [5]; strcpy(morseCode,  "..--");break;
  42. 		case ',':   morseCode = new char [5]; strcpy(morseCode,  ".-.-");break;
  43. 		case '.':   morseCode = new char [5]; strcpy(morseCode,  "---.");break;
  44. 		case '?':   morseCode = new char [5]; strcpy(morseCode,  "----");break;
  45. 		}
  46. 		//cout << "Getting out of library" << endl; 	
  47. 	return morseCode;
  48. }
  49.  
  50. char Library2 (char * decoded) {
  51. 	if (!strcmp(decoded, ".-"))	return 'A';
  52. 	else if (!strcmp(decoded, "-..."))	return 'B';
  53. 	else if (!strcmp(decoded, "-.-."))	return 'C';
  54. 	else if (!strcmp(decoded, "-.."))		return 'D';
  55. 	else if (!strcmp(decoded, "."))		return 'E';
  56. 	else if (!strcmp(decoded, "..-."))		return 'F';
  57. 	else if (!strcmp(decoded, "--."))		return 'G';
  58. 	else if (!strcmp(decoded, "...."))		return 'H';
  59. 	else if (!strcmp(decoded, ".."))		return 'I';
  60. 	else if (!strcmp(decoded, ".---"))		return 'J';
  61. 	else if (!strcmp(decoded, "-.-"))		return 'K';
  62. 	else if (!strcmp(decoded, ".-.."))		return 'L';
  63. 	else if (!strcmp(decoded, "--"))		return 'M';
  64. 	else if (!strcmp(decoded, "-."))		return 'N';
  65. 	else if (!strcmp(decoded, "---"))		return 'O';
  66. 	else if (!strcmp(decoded, ".--."))		return 'P';
  67. 	else if (!strcmp(decoded, "--.-"))		return 'Q';
  68. 	else if (!strcmp(decoded, ".-."))		return 'R';
  69. 	else if (!strcmp(decoded, "..."))		return 'S';
  70. 	else if (!strcmp(decoded, "-"))		return 'T';
  71. 	else if (!strcmp(decoded, "..-"))		return 'U';
  72. 	else if (!strcmp(decoded, "...-"))	return 'V';
  73. 	else if (!strcmp(decoded, ".--"))		return 'W';
  74. 	else if (!strcmp(decoded, "-..-"))		return 'X';
  75. 	else if (!strcmp(decoded, "-.--"))		return 'Y';
  76. 	else if (!strcmp(decoded, "--.."))		return 'Z';
  77. 	else if (!strcmp(decoded, "..--"))		return '_';
  78. 	else if (!strcmp(decoded, ".-.-"))		return ',';
  79. 	else if (!strcmp(decoded, "---."))		return '.';
  80. 	else if (!strcmp(decoded, "----"))		return '?';
  81. 	return '!';
  82. } 
  83.  
  84.  
  85. string breakDown( string inputString )
  86. {
  87.  
  88. 	char * morseArray = new char[4000];
  89. 	int * numberArray = new int [1000];
  90. 	const char * letter = inputString.c_str();
  91. 	int letterRead = 0;
  92. 	int morseInUse = 0;
  93.  
  94. 	while ( letter[letterRead] != '\0' )
  95. 	{
  96. 		//cout << "pismeno> " << letter[letterRead] << endl; 
  97. 		char * morseCode; 
  98. 		morseCode = Library( letter[letterRead] );
  99. 		int morseLength = strlen( morseCode );
  100. 		numberArray[letterRead++] = morseLength;
  101. 		strncpy( morseArray + morseInUse, morseCode, morseLength);
  102. 		morseInUse += morseLength;
  103. 		//cout << morseCode << endl;
  104. 		delete [] morseCode;
  105. 	}
  106. 	//Ukonceno cteni
  107. 	char * decoded = new char [5];
  108. 	string result = "";
  109. 	int readSymbol = 0;
  110. 	for (int i = letterRead - 1; i >= 0; i--) {
  111. 		//cout << "NA> " << numberArray[i] << endl;
  112. 		strncpy (decoded, morseArray + readSymbol, numberArray[i]);
  113. 		decoded[numberArray[i]] = '\0';
  114. 		//cout << "decoded> " << decoded << endl;
  115. 		readSymbol += numberArray[i];
  116. 		char dec =Library2(decoded); 
  117. 		//cout << "char> " << dec << endl;
  118. 		result += dec;
  119. 	}
  120.  
  121. 	delete [] decoded;
  122. 	delete [] morseArray;
  123. 	delete [] numberArray;
  124. 	return result;
  125. }
  126.  
  127.  
  128.  
  129. int main ()
  130. {
  131. 	string str = "";
  132. 	while (getline(cin,str)) {
  133. 		cout << breakDown(str) << endl;
  134. 	}
  135. 	return 0 ;
  136. }
  137.