c++

gistfile1.txt

#include "Text.h"

// **************************************************************
// Name      : Drew Verlee
// Acess ID  : fd4544
// Assign    : lab01
// **************************************************************

Text::Text ( const char *charSeq)
{
  bufferSize = (unsigned)strlen(charSeq);

	buffer = new char [bufferSize];
	for(int i = 0; i <= bufferSize; i++){ 
		buffer[i] = charSeq[i];
	}
}

Text::Text ( const Text &other )
{
	bufferSize = other.getLength();
	buffer = new char[bufferSize];
	for(int i = 0; i <= bufferSize; i++){
		buffer[i] = other[i];
	}
}

void Text::operator = ( const Text &other )
{
	if (this != &other){
		delete [] buffer;
		bufferSize = other.getLength(); 
		buffer = new char[bufferSize];
		for (int i = 0; i < bufferSize; i++){
			buffer[i] = other[i];
		}
	}
}

Text::~Text ()
{
	//...
	delete [] buffer;
}

int Text::getLength () const
{
	return bufferSize;
}

char Text::operator [] ( int n ) const
{
	if (n >= 0 && n < bufferSize){
		return buffer[n];
	}
	else{
		return '\0';
	}
}

void Text::clear ()
{
	delete [] buffer;
	buffer = new char[bufferSize];
	for(int i=0; i < bufferSize;i++){
		buffer[i] = ' ';
	}
}

void Text::showStructure () const
{
	for (int i=0;i < bufferSize;i++){
		cout << buffer[i];
	}
	cout << endl;
}

Text Text::toUpper( ) const
{
	Text temp(buffer);
	for(int i=0; i < bufferSize; i++){
		if((buffer[i] > 96) && (buffer[i] < 123)){
			temp.buffer[i] = char(buffer[i] - 32);
		}
	}
	return temp;
}

Text Text::toLower( ) const
{
	Text temp(buffer);
	for(int i=0; i < temp.getLength(); i++){
		if((buffer[i] > 64) && (buffer[i] < 91)){
			temp.buffer[i] = char(buffer[i] + 32);
		} 
	}
	return temp;
}

bool Text::operator == ( const Text& other ) const
{
	if(bufferSize == other.getLength()){
		if(bufferSize == 0){
			return true;
		}
		else{
			for(int i = 0; i < bufferSize; i++){
				if(buffer[i] != other.buffer[i]){
					return false;
				}
			}
			return true;
		}
	} 
	else{
		return false;
	}
}

bool Text::operator <  ( const Text& other ) const
{
	if (other.getLength()){
		if(bufferSize){
		    for(int i = 0; i < bufferSize; i++){
			    if (buffer[i] > other.buffer[i]){
				    return false;
			    }
			}
		    if((other.getLength() < bufferSize) || (other.getLength() == bufferSize)){
			    return false;
			}
		    else{
			    return true;
		    }
		}
		else{
			return true;
		}
	}
	return false;
}

bool Text::operator >  ( const Text& other ) const
{
	if(bufferSize){
		if(other.getLength()){
		    for(int i = 0; i < other.getLength(); i++){
			    if (buffer[i] < other.buffer[i]){
				    return false;
			    }
			}
		    if((other.getLength() > bufferSize) || (other.getLength() == bufferSize)){
			    return false;
			}
		    else{
			    return true;
		    }
		}
		else{
			return true;
		}
	}
	return false;
}