hw8.h

// Programmer: Jennifer Leopold date: November 5, 2014

// File: hw8.h

// Purpose: This file contains the header info for the program

// that makes a medical diagnosis for a patient's

// complaint.

#ifndef H8_H

#define H8_H

using namespace std;

// ***********************************************************

// Constants

// Parameter for cin.ignore of '\n'

const short NUM_CHARS_TO_IGNORE_UNTIL_NEWLINE = 500;

// Constraints on number of words in the complaint, how long

// each word will be, and number of words doctor will respond to

const short MAX_COMPLAINT_WORDS = 100;

const short MAX_COMPLAINT_WORD_LENGTH = 20;

const short MAX_WORDS_TO_RESPOND_TO = 5;

// Number of words in a prescription and mg size of dosage

const short NUM_RX_WORDS = 4;

const short RX_DOSAGE = 20;

// Percentage of time sugeries are done

const int HOW_OFTEN_SURGERY_DONE = 75;

// The names of the files containing prescription prefixes

// and surgical procedures

const char PRESCRIPTIONS_FILE[] = "scripts.dat";

const char SURGERIES_FILE[] = "surgeries.dat";

// The particular body parts of interest

const short NUM_BODY_PARTS = 5;

const string BODY_PARTS[] = {"head", "torso", "hand",

"nose", "leg"};

// ***********************************************************

// Function prototypes

// Prompts the user to enter a complaint and builds an array

// of the words uttered in the complaint.

// Preconditions: None

// Postconditions: Returns true if one of the body parts of

// interest was mentioned in the complaint; otherwise, returns

// false. Parameter complaintWords will contain the words

// uttered by the user in his/her complaint (in the order

// uttered). Parameter numWords will be the number of words in

// the user's complaint. Parameter whichBodyPart will be the

// (string) body part of interest mentioned by the user in the

// complaint (if one was mentioned); otherwise, it will be the

// empty string.

bool getHealthComplaint(string complaintWords[],

short &numWords,

string &whichBodyPart);

// Output a few of the words from the user's complaint.

// Preconditions: Parameter complaintWords contains the

// words in positions 0..numWords-1 where numWords is >= 0.

// Postconditions: A randomly selected number of words from

// complaintWords is output.

void respondToComplaint(const string complaintWords[],

const short numWords);

// Output a diagnosis appropriate for the specified body

// part.

// Preconditions: Parameter whichBodyPart is one of the

// entries in BODY_PARTS[].

// Postconditions: A diagnois is output for the specified

// body part where the diagnosis is randomly selected from

// the data file named for the body part.

void decideDiagnosis(const string whichBodyPart);

// Output a prescription for as many pills as there are

// words in the user's complaint.

// Preconditions: Parameter numWords is >= 0.

// Postconditions: A prescription is output for numWords

// many pills where the medication name is constructed from

// randomly selected words in the prescription data file.

void recommendPrescription(const short numWords);

// Output a surgical procedure that the user should have.

// This will only be done HOW_OFTEN_SURGERY_DONE percentage

// of the time.

// Preconditions: None.

// Postconditions: A surgical procedure is output, randomly

// selected from the surgeries data file.

void decideOnSurgery();

#endif