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