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