4 Start Implementing the operations of the Text class (only the bod

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4. Start Implementing the operations of the Text class

(only the body of methods) 4.1. Implement default

constructor: Text::Text ( const char *charSeq ){…} 4.2.

Implement copy constructor: Text::Text ( const Text &other

){…} 4.3. Implement operator =: void Text::operator = (

const Text &other ){…} 4.4. Implement destructor:

Text::~Text (){…} 4.5. Implement getLength(): int

Text::getLength () const {…} 4.6. Implement operator []:

char Text::operator [] ( int n ) const {…} 4.7. Implement

clear(): void Text::clear () {…} 4.8. Implement

showStructure():void Text::showStructure () const {…} 5.

Compile your implementation of the Text ADT in the file

Text.cpp and the test program in the file test1.cpp. 6. Test

your implementation using the program in the file

test1.cpp. 7. Implement more methods: 7.1. Implement

toUpper(): Text Text::toUpper( ) const {…} 7.2. Implement

toLower(): Text Text::toLower( ) const {…} 8. Activate test

1 in the program test1.cpp by changing the definition of

LAB_TEST1 from 0 to 1 in config.h and recompiling. 9.

Implement more operators: 9.1. Implement operator ==:

bool Text::operator == ( const Text& other ) const {…} 9.2.

Implement operator <: bool Text::operator < ( const Text&

other ) const {…} 9.3. Implement operator >: bo ol

Text::operator > ( const Text& other ) const {…}

Solution

#ifndef TEXT_H #define TEXT_H #include #include

using namespace std; class Text { public: //

Constructors and operator= Text ( const char *charSeq

= \"\" ); // Initialize using char* Text ( const

Text &other ); // Copy constructor void

operator = ( const Text &other ); // Assignment //

Destructor ~Text (); // Text operations int

getLength () const; // # characters char

operator [] ( int n ) const; // Subscript void

clear (); // Clear string // Output

the string structure -- used in testing/debugging void

showStructure () const; //--------------------------------------

------------------------------ // In-lab operations //

toUpper/toLower operations (Programming Exercise 2)

Text toUpper( ) const; // Create upper-

case copy Text toLower( ) const; //

Create lower-case copy // Relational operations

(Programming Exercise 3) bool operator == ( const

Text& other ) const; bool operator < ( const Text& other

) const; bool operator > ( const Text& other ) const;

private: // Data members int bufferSize; // Size of

the string buffer char *buffer; // Text buffer containing

a null-terminated sequence of characters // Friends //

Text input/output operations (In-lab Exercise 1) friend

istream & operator >> ( istream& input, Text& inputText );

friend ostream & operator << ( ostream& output, const

Text& outputText ); }; #endif #include > #include

Text::Text( const char *charSeq) { bufferSize =

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4. Start Implementing the operations of the Text class (only the body of methods) 4.1. Implement default constructor: Text::Text ( const char *charSeq ){…} 4.2. Implement copy constructor: Text::Text ( const Text &other ){…} 4.3. Implement operator =: void Text::operator = ( const Text &other ){…} 4.4. Implement destructor: Text::~Text (){…} 4.5. Implement getLength(): int Text::getLength () const {…} 4.6. Implement operator []: char Text::operator [] ( int n ) const {…} 4.7. Implement clear(): void Text::clear () {…} 4.8. Implement showStructure():void Text::showStructure () const {…} 5. Compile your implementation of the Text ADT in the file Text.cpp and the test program in the file test1.cpp. 6. Test your implementation using the program i n the file test1.cpp. 7. Implement more methods: 7.1. Implement toUpper(): Text Text::toUpper( ) const {…} 7.2. Implement toLower ...
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