| // 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; |
| } |