273 lines
9.1 KiB
C++
273 lines
9.1 KiB
C++
// File: string-operations.cpp
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#include <iomanip>
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#include <langinfo.h>
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#include <term.h>
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#include <unistd.h>
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#include "fstring.h"
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int main (int, char**)
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{
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printf ("----------------[ terminal ]-------------------\n");
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// init current locale
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printf (" Locale: %s\n", setlocale(LC_CTYPE, "") );
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if ( isatty(1) && ! strcmp(nl_langinfo(CODESET), "ANSI_X3.4-1968") )
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{
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// locale C -> switch from 7bit ascii -> latin1
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setlocale(LC_ALL, "en_US");
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}
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printf (" Codeset: %s\n", nl_langinfo(CODESET));
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std::cout << "--------------[ FString test ]-----------------"
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<< std::endl;
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FString in;
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std::cout << " Input: "; std::cin >> in;
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std::cout << " instream >> " << in << std::endl;
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FString out = L"A test string for 0 \x20ac";
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std::cout << " outstream << " << out.c_str() << std::endl;
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printf (" c_str: \"%s\"\n", out.c_str());
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FString cpp_str( std::string("c++ String") );
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std::cout << " cpp_str: \"" << cpp_str << "\"" << std::endl;
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FString ch('c');
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std::cout << " char: '" << ch << "'" << std::endl;
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FString wch(L'w');
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std::cout << " wchar_t: '" << wch << "'" << std::endl;
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FString len = "длина́";
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std::cout << " length: \"" << len << "\" has "
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<< len.getLength() << " characters" << std::endl;
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FString lower = FString(L"InPut").toLower();
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std::wcout << L" toLower: " << lower << std::endl;
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FString upper = FString("inPut").toUpper();
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std::cout << " toUpper: " << upper << std::endl;
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FString add1 = FString("FString + ") + FString("FString");
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std::cout << " add: " << add1 << std::endl;
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FString add2 = FString("FString + ") + std::wstring(L"std::wstring");
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std::cout << " add: " << add2 << std::endl;
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FString add3 = FString("FString + ") + const_cast<wchar_t*>(L"wchar_t*");
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std::cout << " add: " << add3 << std::endl;
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FString add4 = FString("FString + ") + std::string("std::string");
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std::cout << " add: " << add4 << std::endl;
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FString add5 = FString("FString + ") + const_cast<char*>("char*");
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std::cout << " add: " << add5 << std::endl;
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FString add6 = FString("FString + ") + wchar_t(L'w');
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std::cout << " add: " << add6 << std::endl;
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FString add7 = FString("FString + ") + char('c');
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std::cout << " add: " << add7 << std::endl;
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FString add8 = 'c' + FString(" + FString");
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std::cout << " add: " << add8 << std::endl;
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FString add9 = L'w' + FString(" + FString");
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std::cout << " add: " << add9 << std::endl;
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FString add10 = const_cast<char*>("char*") + FString(" + FString");
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std::cout << " add: " << add10 << std::endl;
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FString add11 = std::string("std::string") + FString(" + FString");
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std::cout << " add: " << add11 << std::endl;
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FString add12 = const_cast<wchar_t*>(L"wchar_t*") + FString(" + FString");
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std::cout << " add: " << add12 << std::endl;
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FString add13 = std::wstring(L"std::wstring") + FString(" + FString");
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std::cout << " add: " << add13 << std::endl;
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FString cmp = "compare";
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if ( cmp == FString("compare") )
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std::cout << " cmp: == Ok" << std::endl;
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else
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std::cout << " cmp: == Not Ok" << std::endl;
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if ( cmp <= FString("d_compare") )
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std::cout << " cmp: <= Ok" << std::endl;
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else
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std::cout << " cmp: <= Not Ok" << std::endl;
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if ( cmp < FString("e_compare") )
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std::cout << " cmp: < Ok" << std::endl;
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else
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std::cout << " cmp: < Not Ok" << std::endl;
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if ( cmp >= FString("b_compare") )
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std::cout << " cmp: >= Ok" << std::endl;
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else
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std::cout << " cmp: >= Not Ok" << std::endl;
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if ( cmp > FString("a_compare") )
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std::cout << " cmp: > Ok" << std::endl;
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else
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std::cout << " cmp: > Not Ok" << std::endl;
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if ( cmp != FString("equal") )
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std::cout << " cmp: != Ok" << std::endl;
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else
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std::cout << " cmp: != Not Ok" << std::endl;
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FString split_str = "a,b,c,d";
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std::cout << " split: \""
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<< split_str << "\" into substrings ->";
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std::vector <FString> parts = split_str.split(",");
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std::vector<FString>::iterator it, end;
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end = parts.end();
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for (it = parts.begin(); it != end; ++it)
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std::cout << " \"" << (*it) << "\"";
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std::cout << std::endl;
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FString formatStr = "";
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std::cout << " formatted: "
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<< formatStr.sprintf("sqrt(%d) = %d", 16, 4)
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<< std::endl;
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try
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{
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uLong ulong_num = FString("123456789").toULong();
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std::cout << " toULong: " << ulong_num << std::endl;
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}
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catch (const std::invalid_argument& ex)
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{
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std::cerr << "Invalid argument: " << ex.what() << std::endl;
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}
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catch (const std::exception& ex)
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{
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std::cerr << "Arithmetic error: " << ex.what() << std::endl;
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}
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try
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{
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long long_num = FString("-9876543210").toLong();
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std::cout << " toLong: " << long_num << std::endl;
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}
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catch (const std::invalid_argument& ex)
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{
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std::cerr << "Invalid argument: " << ex.what() << std::endl;
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}
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catch (const std::exception& ex)
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{
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std::cerr << "Arithmetic error: " << ex.what() << std::endl;
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}
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setlocale(LC_NUMERIC, "C");
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try
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{
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double double_num = FString("2.7182818284590452353").toDouble();
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std::cout << " toDouble: " << std::setprecision(11)
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<< double_num << std::endl;
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}
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catch (const std::invalid_argument& ex)
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{
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std::cerr << "Invalid argument: " << ex.what() << std::endl;
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}
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catch (const std::exception& ex)
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{
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std::cerr << "Arithmetic error: " << ex.what() << std::endl;
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}
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FString num1, num2, num3;
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num1.setNumber(137);
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num2.setNumber(-512);
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num3.setNumber(3.141592653589793238L, 12);
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std::cout << " setNumber: "
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<< num1 << " (unsigned)" << std::endl;
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std::cout << " setNumber: "
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<< num2 << " (signed)" << std::endl;
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std::cout << " setNumber: "
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<< num3 << " (long double)" << std::endl;
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FString fnum1, fnum2;
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#if defined(__LP64__) || defined(_LP64)
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// 64-bit architecture
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fnum1.setFormatedNumber(0xffffffffffffffff, '\'');
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fnum2.setFormatedNumber(-9223372036854775807);
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#else
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// 32-bit architecture
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fnum1.setFormatedNumber(0xffffffff, '\'');
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fnum2.setFormatedNumber(-2147483647);
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#endif
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std::cout << "setFormatedNumber: "
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<< fnum1 << " (unsigned)" << std::endl;
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std::cout << "setFormatedNumber: "
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<< fnum2 << " (signed)" << std::endl;
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FString trim_str = " A string \t";
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std::wcout << " rtrim: \""
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<< trim_str.rtrim() << "\"" << std::endl;
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std::cout << " ltrim: \""
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<< trim_str.ltrim() << "\"" << std::endl;
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std::cout << " trim: \""
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<< trim_str.trim() << "\"" << std::endl;
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FString alphabet = "a b c d e f g h i j k l m n o p q r s t u v w x y z";
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std::cout << " left: \""
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<< alphabet.left(11) << "\"" << std::endl;
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std::cout << " mid: \""
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<< alphabet.mid(13,27) << "\"" << std::endl;
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std::cout << " right: \""
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<< alphabet.right(11) << "\"" << std::endl;
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FString insert_str = "I am a string";
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std::cout << " insert: "
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<< insert_str.insert("changed ", 7) << std::endl;
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FString index(5); // a string with five characters
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index = "index";
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index[0] = L'I'; // write a wide character at position 0
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printf ( " index: [0] = %c ; [4] = %c\n"
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, char(index[0])
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, char(index[4]) );
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FString stringIterator = "iterator";
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FString::iterator iter;
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iter = stringIterator.begin();
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std::cout << " " << stringIterator << ": ";
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while ( iter != stringIterator.end() )
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{
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std::cout << char(*iter) << "|";
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++iter;
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}
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std::cout << " (front='" << char(stringIterator.front())
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<< "', back='" << char(stringIterator.back())
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<< "')" << std::endl;
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FString overwrite_std = "Overwrite the rest";
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std::cout << "overwrite: "
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<< overwrite_std.overwrite("for t", 10) << std::endl;
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FString remove_std = "A fast remove";
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std::cout << " remove: "
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<< remove_std.remove(7,2) << std::endl;
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FString include_std = "string";
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if ( include_std.includes("ring") )
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std::cout << " includes: \""
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<< include_std << "\" includes \"ring\" "
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<< std::endl;
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else
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std::cout << " includes: \""
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<< include_std << "\" includes no \"ring\" "
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<< std::endl;
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if ( include_std.includes("data") )
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std::cout << " includes: \""
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<< include_std << "\" includes \"data\" "
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<< std::endl;
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else
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std::cout << " includes: \""
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<< include_std << "\" includes no \"data\" "
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<< std::endl;
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FString source_str = "computer and software";
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FString replace_str = source_str.replace("computer", "hard-");
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std::cout << " replace: "
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<< replace_str << std::endl;
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FString tab_str = "1234\t5678";
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std::cout << " tab: "
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<< tab_str.expandTabs() << std::endl;
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FString bs_str = "t\b\bTesT\bt";
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std::cout << "backspace: "
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<< bs_str.removeBackspaces() << std::endl;
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FString del_str = "apple \177\177\177pietree";
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std::cout << " delete: "
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<< del_str.removeDel() << std::endl;
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}
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