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