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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: string_tutorial.C,v 1.2 2002/02/27 12:25:07 sturm Exp $
// string tutorial example
// -----------------------
// play around with the functionality of BALL strings
// standard includes
#include <iostream>
// BALL includes
#include <BALL/common.h>
#include <BALL/DATATYPE/string.h>
using namespace BALL;
using namespace std;
int main()
{
cout << "Concatenating:" << endl;
String A("Concat");
String B("enate");
String C = A + B;
cout << C << endl;
string D("Concat");
char* E = "enate";
String F = D + E;
cout << F << endl;
cout << "Swapping two strings: " << endl;
String S1("Swap");
String S2("swaP");
cout << "S1: " << S1 << ", S2: " << S2 << endl;
S1.swap(S2);
cout << "S1: " << S1 << ", S2: " << S2 << endl;
cout << "Reversing a string:" << endl;
String R("Reverse me");
cout << "before: " << R;
R.reverse();
cout << " and after reversing: " << R << endl;
cout << "Substituting substrings:" << endl;
String SUB1("Please replace REPLACE with something else.");
cout << SUB1 << endl;
String SUB2("REPLACE");
String SUB3("SOMETHING ELSE");
SUB1.substitute(SUB2, SUB3);
cout << SUB1 << endl;
cout << "Conversion to strings by using constructors:" << endl;
char c_char = 'B';
int c_int = 1;
float c_float = 2.99792458;
String CONV1(c_char);
String CONV2(c_int);
String CONV3(c_float);
cout << "Conversion from strings by using converters:" << endl;
String i_wanna_be_an_int("4711");
String i_wanna_be_a_char("A");
String i_wanna_be_a_double("6.0221e23");
int i_am_an_int = i_wanna_be_an_int.toInt();
char i_am_a_char = i_wanna_be_a_char.toChar();
double i_am_a_double = i_wanna_be_a_double.toDouble();
cout << "Using predicates:" << endl;
String predicate_test("This STRING does not start with PREFIX");
cout << "String is empty? "
<< predicate_test.isEmpty() << endl;
cout << "Has prefix \"PREFIX\"? "
<< predicate_test.hasPrefix("PREFIX") << endl;
cout << "Contains substring \"PREFIX\"? "
<< predicate_test.hasSubstring("PREFIX") << endl;
cout << "Contains only letters? "
<< predicate_test.isAlpha() << endl;
cout << "Comparison of strings" << endl;
String test_string("Compare me.");
String another_test_string("Blah.");
char* test_C_string = "No match.";
cout << test_string.compare(another_test_string) << endl;
cout << test_string.compare(test_C_string) << endl;
cout << (test_string == test_string) << endl;
cout << (test_string != "No, this is not equal.") << endl;
cout << test_string << another_test_string << endl;
int start_index = 9;
int length = 2;
cout << test_string.compare("me", start_index, length) << endl;
cout << "Field operations:" << endl;
String data = "1 2 3 4.567 8 blah";
cout << "Line contains " << data.countFields() << " values" << endl;
cout << "The data at index 4 is " << data.getField(4) << endl;
data = "1 2 3 4.567 \"8 blah\"";
cout << "Line contains " << data.countFieldsQuoted() << " values" << endl;
cout << "The data at index 4 is " << data.getFieldQuoted(4) << endl;
}
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