stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork
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// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (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/libs/test for the library home page.
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//
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/// @file
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/// Addition to STL algorithms
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// ***************************************************************************
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#ifndef BOOST_TEST_UTILS_ALGORITHM_HPP
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#define BOOST_TEST_UTILS_ALGORITHM_HPP
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// STL
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#include <utility>
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#include <algorithm> // std::find
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#include <functional> // std::bind1st
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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namespace boost {
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namespace unit_test {
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namespace utils {
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/// @brief this algorithm search through two collections for first mismatch position that get returned as a pair
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/// of iterators, first pointing to the mismatch position in first collection, second iterator in second one
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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template <class InputIter1, class InputIter2>
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inline std::pair<InputIter1, InputIter2>
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mismatch( InputIter1 first1, InputIter1 last1,
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InputIter2 first2, InputIter2 last2 )
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{
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while( first1 != last1 && first2 != last2 && *first1 == *first2 ) {
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++first1;
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++first2;
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}
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return std::pair<InputIter1, InputIter2>(first1, first2);
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through two collections for first mismatch position that get returned as a pair
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/// of iterators, first pointing to the mismatch position in first collection, second iterator in second one. This algorithms
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/// uses supplied predicate for collection elements comparison
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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/// @param pred - predicate to be used for search
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template <class InputIter1, class InputIter2, class Predicate>
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inline std::pair<InputIter1, InputIter2>
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mismatch( InputIter1 first1, InputIter1 last1,
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InputIter2 first2, InputIter2 last2,
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Predicate pred )
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{
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while( first1 != last1 && first2 != last2 && pred( *first1, *first2 ) ) {
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++first1;
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++first2;
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}
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return std::pair<InputIter1, InputIter2>(first1, first2);
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for first element that does not belong a second one
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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template<class ForwardIterator1, class ForwardIterator2>
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inline ForwardIterator1
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find_first_not_of( ForwardIterator1 first1, ForwardIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2 )
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{
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while( first1 != last1 ) {
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if( std::find( first2, last2, *first1 ) == last2 )
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break;
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++first1;
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}
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return first1;
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for first element that does not satisfy binary
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/// predicate in conjunction will any element in second collection
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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/// @param pred - predicate to be used for search
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template<class ForwardIterator1, class ForwardIterator2, class Predicate>
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inline ForwardIterator1
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find_first_not_of( ForwardIterator1 first1, ForwardIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2,
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Predicate pred )
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{
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while( first1 != last1 ) {
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if( std::find_if( first2, last2, std::bind1st( pred, *first1 ) ) == last2 )
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break;
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++first1;
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}
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return first1;
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for last element that belongs to a second one
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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template<class BidirectionalIterator1, class ForwardIterator2>
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inline BidirectionalIterator1
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find_last_of( BidirectionalIterator1 first1, BidirectionalIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2 )
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{
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if( first1 == last1 || first2 == last2 )
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return last1;
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BidirectionalIterator1 it1 = last1;
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while( --it1 != first1 && std::find( first2, last2, *it1 ) == last2 ) {}
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return it1 == first1 && std::find( first2, last2, *it1 ) == last2 ? last1 : it1;
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for last element that satisfy binary
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/// predicate in conjunction will at least one element in second collection
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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/// @param pred - predicate to be used for search
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template<class BidirectionalIterator1, class ForwardIterator2, class Predicate>
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inline BidirectionalIterator1
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find_last_of( BidirectionalIterator1 first1, BidirectionalIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2,
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Predicate pred )
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{
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if( first1 == last1 || first2 == last2 )
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return last1;
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BidirectionalIterator1 it1 = last1;
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while( --it1 != first1 && std::find_if( first2, last2, std::bind1st( pred, *it1 ) ) == last2 ) {}
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return it1 == first1 && std::find_if( first2, last2, std::bind1st( pred, *it1 ) ) == last2 ? last1 : it1;
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for last element that does not belong to a second one
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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template<class BidirectionalIterator1, class ForwardIterator2>
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inline BidirectionalIterator1
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find_last_not_of( BidirectionalIterator1 first1, BidirectionalIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2 )
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{
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if( first1 == last1 || first2 == last2 )
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return last1;
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BidirectionalIterator1 it1 = last1;
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while( --it1 != first1 && std::find( first2, last2, *it1 ) != last2 ) {}
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return it1 == first1 && std::find( first2, last2, *it1 ) != last2 ? last1 : it1;
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}
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//____________________________________________________________________________//
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/// @brief this algorithm search through first collection for last element that does not satisfy binary
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/// predicate in conjunction will any element in second collection
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///
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/// @param first1 - first collection begin iterator
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/// @param last1 - first collection end iterator
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/// @param first2 - second collection begin iterator
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/// @param last2 - second collection end iterator
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/// @param pred - predicate to be used for search
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template<class BidirectionalIterator1, class ForwardIterator2, class Predicate>
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inline BidirectionalIterator1
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find_last_not_of( BidirectionalIterator1 first1, BidirectionalIterator1 last1,
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ForwardIterator2 first2, ForwardIterator2 last2,
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Predicate pred )
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{
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if( first1 == last1 || first2 == last2 )
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return last1;
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BidirectionalIterator1 it1 = last1;
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while( --it1 != first1 && std::find_if( first2, last2, std::bind1st( pred, *it1 ) ) != last2 ) {}
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return it1 == first1 && std::find_if( first2, last2, std::bind1st( pred, *it1 ) ) == last2 ? last1 : it1;
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}
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//____________________________________________________________________________//
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/// @brief This algorithm replaces all occurrences of a set of substrings by another substrings
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///
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/// @param str - string of operation
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/// @param first1 - iterator to the beginning of the substrings to replace
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/// @param last1 - iterator to the end of the substrings to replace
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/// @param first2 - iterator to the beginning of the substrings to replace with
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/// @param last2 - iterator to the end of the substrings to replace with
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template<class StringClass, class ForwardIterator>
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inline StringClass
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replace_all_occurrences_of( StringClass str,
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ForwardIterator first1, ForwardIterator last1,
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ForwardIterator first2, ForwardIterator last2)
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{
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for(; first1 != last1 && first2 != last2; ++first1, ++first2) {
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std::size_t found = str.find( *first1 );
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while( found != StringClass::npos ) {
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str.replace(found, first1->size(), *first2 );
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found = str.find( *first1, found + first2->size() );
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}
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}
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return str;
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}
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/// @brief This algorithm replaces all occurrences of a string with basic wildcards
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/// with another (optionally containing wildcards as well).
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///
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/// @param str - string to transform
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/// @param it_string_to_find - iterator to the beginning of the substrings to replace
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/// @param it_string_to_find_end - iterator to the end of the substrings to replace
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/// @param it_string_to_replace - iterator to the beginning of the substrings to replace with
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/// @param it_string_to_replace_end - iterator to the end of the substrings to replace with
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///
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/// The wildcard is the symbol '*'. Only a unique wildcard per string is supported. The replacement
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/// string may also contain a wildcard, in which case it is considered as a placeholder to the content
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/// of the wildcard in the source string.
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/// Example:
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/// - In order to replace the occurrences of @c 'time=\"some-variable-value\"' to a constant string,
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/// one may use @c 'time=\"*\"' as the string to search for, and 'time=\"0.0\"' as the replacement string.
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/// - In order to replace the occurrences of 'file.cpp(XX)' per 'file.cpp:XX', where XX is a variable to keep,
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/// on may use @c 'file.cpp(*)' as the string to search for, and 'file.cpp:*' as the replacement string.
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template<class StringClass, class ForwardIterator>
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inline StringClass
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replace_all_occurrences_with_wildcards(
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StringClass str,
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ForwardIterator it_string_to_find, ForwardIterator it_string_to_find_end,
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ForwardIterator it_string_to_replace, ForwardIterator it_string_to_replace_end)
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{
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for(; it_string_to_find != it_string_to_find_end && it_string_to_replace != it_string_to_replace_end;
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++it_string_to_find, ++ it_string_to_replace) {
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std::size_t wildcard_pos = it_string_to_find->find("*");
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if(wildcard_pos == StringClass::npos) {
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ForwardIterator it_to_find_current_end(it_string_to_find);
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ForwardIterator it_to_replace_current_end(it_string_to_replace);
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str = replace_all_occurrences_of(
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str,
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it_string_to_find, ++it_to_find_current_end,
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it_string_to_replace, ++it_to_replace_current_end);
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continue;
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}
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std::size_t wildcard_pos_replace = it_string_to_replace->find("*");
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std::size_t found_begin = str.find( it_string_to_find->substr(0, wildcard_pos) );
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while( found_begin != StringClass::npos ) {
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std::size_t found_end = str.find(it_string_to_find->substr(wildcard_pos+1), found_begin + wildcard_pos + 1); // to simplify
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if( found_end != StringClass::npos ) {
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if( wildcard_pos_replace == StringClass::npos ) {
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StringClass replace_content = *it_string_to_replace;
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str.replace(
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found_begin,
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found_end + (it_string_to_find->size() - wildcard_pos - 1 ) - found_begin,
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replace_content);
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} else {
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StringClass replace_content =
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it_string_to_replace->substr(0, wildcard_pos_replace)
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+ str.substr(found_begin + wildcard_pos,
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found_end - found_begin - wildcard_pos)
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+ it_string_to_replace->substr(wildcard_pos_replace+1) ;
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str.replace(
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found_begin,
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found_end + (it_string_to_find->size() - wildcard_pos - 1 ) - found_begin,
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replace_content);
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}
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}
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// may adapt the restart to the replacement and be more efficient
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found_begin = str.find( it_string_to_find->substr(0, wildcard_pos), found_begin + 1 );
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}
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}
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return str;
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}
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} // namespace utils
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} // namespace unit_test
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_UTILS_ALGORITHM_HPP
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