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// Boost string_algo library example file ---------------------------------//
// Copyright Pavol Droba 2002-2003. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org for updates, documentation, and revision history.
#include <string>
#include <iostream>
#include <iterator>
//#include <boost/algorithm/string/replace.hpp>
//#include <boost/algorithm/string/erase.hpp>
//#include <boost/algorithm/string/case_conv.hpp>
#include <boost/algorithm/string.hpp>
//Following two includes contain second-layer function.
//They are already included by first-layer header
//#include <boost/algorithm/string/replace2.hpp>
//#include <boost/algorithm/string/find2.hpp>
using namespace std;
using namespace boost;
// uppercase formatter
/*
Convert an input to upper case.
Note, that this formatter can be used only on std::string inputs.
*/
inline string upcase_formatter(
const iterator_range<string::const_iterator>& Replace )
{
string Temp(Replace.begin(), Replace.end());
to_upper(Temp);
return Temp;
}
int main()
{
cout << "* Replace Example *" << endl << endl;
string str1("abc___cde___efg");
// Erase 6-9th characters from the string
cout << "str1 without 6th to 9th character:" <<
erase_range_copy( str1, make_iterator_range(str1.begin()+6, str1.begin()+9) ) << endl;
// Replace 6-9th character with '+++'
cout << "str1 with 6th to 9th character replaced with '+++': " <<
replace_range_copy(
str1, make_iterator_range(str1.begin()+6, str1.begin()+9), "+++" ) << endl;
cout << "str1 with 'cde' replaced with 'XYZ': ";
// Replace first 'cde' with 'XYZ'. Modify the input
replace_first_copy( ostream_iterator<char>(cout), str1, "cde", "XYZ" );
cout << endl;
// Replace all '___'
cout << "str1 with all '___' replaced with '---': " <<
replace_all_copy( str1, "___", "---" ) << endl;
// Erase all '___'
cout << "str1 without all '___': " <<
erase_all_copy( str1, "___" ) << endl;
// replace third and 5th occurrence of _ in str1
// note that nth argument is 0-based
replace_nth( str1, "_", 4, "+" );
replace_nth( str1, "_", 2, "+" );
cout << "str1 with third and 5th occurrence of _ replace: " << str1 << endl;
// Custom formatter examples
string str2("abC-xxxx-AbC-xxxx-abc");
// Find string 'abc' ignoring the case and convert it to upper case
cout << "Upcase all 'abc'(s) in the str2: " <<
find_format_all_copy(
str2,
first_finder("abc", is_iequal()),
upcase_formatter );
cout << endl;
return 0;
}
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