/* * File: simpio.h * -------------- * This file exports a set of functions that simplify input/output * operations in C++ and provide some error-checking on console input. */ #ifndef _simpio_h #define _simpio_h #include /* * Function: getInteger * Usage: int n = getInteger(prompt); * ---------------------------------- * Reads a complete line from cin and scans it as an * integer. If the scan succeeds, the integer value is returned. If * the argument is not a legal integer or if extraneous characters * (other than whitespace) appear in the string, the user is given * a chance to reenter the value. If supplied, the optional * prompt string is printed before reading the value. */ int getInteger(std::string prompt = ""); /* * Function: getReal * Usage: double x = getReal(prompt); * ---------------------------------- * Reads a complete line from cin and scans it as a * floating-point number. If the scan succeeds, the floating-point * value is returned. If the input is not a legal number or if * extraneous characters (other than whitespace) appear in the string, * the user is given a chance to reenter the value. If supplied, the * optional prompt string is printed before reading the value. */ double getReal(std::string prompt = ""); /* * Function: getLine * Usage: string line = getLine(prompt); * ------------------------------------- * Reads a line of text from cin and returns that line * as a string. The newline character that terminates the input is * not stored as part of the return value. If supplied, the optional * prompt string is printed before reading the value. */ std::string getLine(std::string prompt = ""); #endif