Function main

applications/test/string/Test-string.C:39–133

// Main program:

int main(int argc, char *argv[])
{
    string test
    (
        "  $HOME kjhkjhkjh \" \\$HOME/tyetyery $; ${FOAM_RUN} \n $; hkjh;"
        " $(DONOTSUBST) some other <${USER}> with '${__UNKNOWN:-some default}'"
        " value "
        " or with '${HOME:+Home was set}' via :+ alternative"
        " or with '${__UNKNOWN:+unknown}' empty"
    );

    dictionary dict;
    dict.add("HOME", "myHome");

    dictionary subDict;
    subDict.add("value1", "test1");
    subDict.add("value2", "test2");
    dict.add("FOAM_RUN", subDict);


    Info<< "string:" << test << nl << "hash:"
        << unsigned(string::hash()(test)) << endl;

    Info<<"trimLeft: " << stringOps::trimLeft(test) << endl;
    Info<<"trimRight: " << stringOps::trimRight(test) << endl;
    Info<<"trim: " << stringOps::trim(test) << endl;


    // test sub-strings via iterators
    string::const_iterator iter  = test.end();
    string::const_iterator iter2 = test.end();
    string::size_type fnd = test.find('\\');

    if (fnd != string::npos)
    {
        iter  = test.begin() + fnd;
        iter2 = iter + 6;
    }

    Info<< "sub-string via iterators : >";
    while (iter != iter2)
    {
        Info<< *iter;
        ++iter;
    }
    Info<< "<\n";

    Info<< string(test).replace("kj", "zzz") << endl;
    Info<< string(test).replace("kj", "") << endl;
    Info<< string(test).replaceAll("kj", "zzz") << endl;
    Info<< string(test).replaceAll("kj", "z") << endl;

    Info<< "expanded: " << string(test).expand() << endl;

    Info<<"dictionary-based substitution: " << dict << endl;
    Info<< "expand dict: " << stringOps::expand(test, dict) << endl;

    string test2("~OpenFOAM/controlDict");