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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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