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Copy pathCommandLineArguments.cpp
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204 lines (128 loc) · 3.26 KB
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#include "CommandLineArguments.h"
//Se crea un arreglo de strings para guardar todos los argumentos posibles.
const char flags[][MAX_LEN] = {METHOD1, METHOD2, INPUT1, INPUT2, OUTPUT1, OUTPUT2, HELP1, HELP2};
//Se crea un arreglo de punteros a funciones para guardar las "acciones" a realizar por cada par de argumentos.
bool (*f[OPTIONS])(Status &, string &) = {processMethod, processInput, processOutput};
bool argumentProcessing(size_t argc, char *argv[], Status &program){
//Se convierten los argumentos en argv a un arreglo de objetos strings para mejor uso mediante los metodos de la
//clase string.
Array<string> arguments(argc);
char2stringArray(argc, argv, arguments);
if(isHelp(arguments[1])){
program.setHelp();
return false;
}
for(size_t i = 1; i < argc; i += 2){
size_t index = isFlag(arguments[i]) + 1;
if (index && i + 1 < argc){
if (!f[index / 2](program, arguments[i + 1]))
return false;
}
else
return false;
}
return true;
}
bool processMethod(Status &program, string &option){
if(option == IDFT)
program.setDFT(false);
else if(option == DFT)
program.setDFT(true);
else if(option == FFT || option == STANDARD){
program.setDFT(true);
program.setFFT(true);
}
else if(option == IFFT){
program.setDFT(false);
program.setFFT(true);
}
else if(option == FFTITER){
program.setDFT(true);
program.setFFT(true);
program.setITER(true);
}
else if(option == IFFTITER){
program.setDFT(false);
program.setFFT(true);
program.setITER(true);
}
else if(option == IPFFT){
program.setDFT(true);
program.setFFT(true);
program.setITER(false);
program.setIP(true);
}
else if(option == IPIFFT){
program.setDFT(false);
program.setFFT(true);
program.setITER(false);
program.setIP(true);
}
else
return false;
return true;
}
bool processInput(Status &program, string &option){
if(option == STANDARD)
return true;
if(isFlag(option))
return false;
program.newInFile(option);
return true;
}
bool processOutput(Status &program, string &option){
if(option == STANDARD)
return true;
if(isFlag(option))
return false;
program.newOutFile(option);
return true;
}
bool displayHelp(){
ifstream helpFile(HELP_FILE);
if (helpFile.is_open()){
cout << helpFile.rdbuf() << endl;
helpFile.close();
return true;
}
return false;
}
bool displayError(){
ifstream errorFile(ERROR_FILE);
if(errorFile.is_open()){
cout << errorFile.rdbuf() << endl;
errorFile.close();
return true;
}
return false;
}
void char2stringArray(size_t size, char *cArray[], Array<string> &sArray){
for(size_t i = 0; i < size; i++){
size_t length = getLength(cArray[i]);
convert2string(length, cArray[i], sArray[i]);
}
}
size_t getLength(char *string){
size_t i;
for (i = 0; string[i] != '\0'; i++);
return i;
}
void convert2string(size_t length, char cArray[], string &str){
str = "";
for (size_t i = 0; i < length; i++)
str = str + cArray[i];
}
size_t isFlag(string s){
size_t nFlags = sizeof(flags) / sizeof(flags[1]);
for(size_t i = 0; i < nFlags; i++)
if(s == flags[i])
return i;
return 0;
}
bool isHelp(string s){
size_t nFlags = sizeof(flags) / sizeof(flags[1]);
for(size_t i = 0; i < nFlags; i++)
if(s == HELP1 || s == HELP2)
return true;
return false;
}