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Diffstat (limited to 'contrib/src/boost/algorithm/string/predicate.hpp')
-rw-r--r-- | contrib/src/boost/algorithm/string/predicate.hpp | 950 |
1 files changed, 475 insertions, 475 deletions
diff --git a/contrib/src/boost/algorithm/string/predicate.hpp b/contrib/src/boost/algorithm/string/predicate.hpp index 0879829..3e4a511 100644 --- a/contrib/src/boost/algorithm/string/predicate.hpp +++ b/contrib/src/boost/algorithm/string/predicate.hpp @@ -1,475 +1,475 @@ -// Boost string_algo library predicate.hpp header file ---------------------------// - -// Copyright Pavol Droba 2002-2003. -// -// 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/ for updates, documentation, and revision history. - -#ifndef BOOST_STRING_PREDICATE_HPP -#define BOOST_STRING_PREDICATE_HPP - -#include <boost/algorithm/string/config.hpp> -#include <boost/range/begin.hpp> -#include <boost/range/end.hpp> -#include <boost/range/iterator.hpp> -#include <boost/range/const_iterator.hpp> -#include <boost/range/as_literal.hpp> -#include <boost/range/iterator_range_core.hpp> - -#include <boost/algorithm/string/compare.hpp> -#include <boost/algorithm/string/find.hpp> -#include <boost/algorithm/string/detail/predicate.hpp> - -/*! \file boost/algorithm/string/predicate.hpp - Defines string-related predicates. - The predicates determine whether a substring is contained in the input string - under various conditions: a string starts with the substring, ends with the - substring, simply contains the substring or if both strings are equal. - Additionaly the algorithm \c all() checks all elements of a container to satisfy a - condition. - - All predicates provide the strong exception guarantee. -*/ - -namespace boost { - namespace algorithm { - -// starts_with predicate -----------------------------------------------// - - //! 'Starts with' predicate - /*! - This predicate holds when the test string is a prefix of the Input. - In other words, if the input starts with the test. - When the optional predicate is specified, it is used for character-wise - comparison. - - \param Input An input sequence - \param Test A test sequence - \param Comp An element comparison predicate - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T, typename PredicateT> - inline bool starts_with( - const Range1T& Input, - const Range2T& Test, - PredicateT Comp) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input)); - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test)); - - typedef BOOST_STRING_TYPENAME - range_const_iterator<Range1T>::type Iterator1T; - typedef BOOST_STRING_TYPENAME - range_const_iterator<Range2T>::type Iterator2T; - - Iterator1T InputEnd=::boost::end(lit_input); - Iterator2T TestEnd=::boost::end(lit_test); - - Iterator1T it=::boost::begin(lit_input); - Iterator2T pit=::boost::begin(lit_test); - for(; - it!=InputEnd && pit!=TestEnd; - ++it,++pit) - { - if( !(Comp(*it,*pit)) ) - return false; - } - - return pit==TestEnd; - } - - //! 'Starts with' predicate - /*! - \overload - */ - template<typename Range1T, typename Range2T> - inline bool starts_with( - const Range1T& Input, - const Range2T& Test) - { - return ::boost::algorithm::starts_with(Input, Test, is_equal()); - } - - //! 'Starts with' predicate ( case insensitive ) - /*! - This predicate holds when the test string is a prefix of the Input. - In other words, if the input starts with the test. - Elements are compared case insensitively. - - \param Input An input sequence - \param Test A test sequence - \param Loc A locale used for case insensitive comparison - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T> - inline bool istarts_with( - const Range1T& Input, - const Range2T& Test, - const std::locale& Loc=std::locale()) - { - return ::boost::algorithm::starts_with(Input, Test, is_iequal(Loc)); - } - - -// ends_with predicate -----------------------------------------------// - - //! 'Ends with' predicate - /*! - This predicate holds when the test string is a suffix of the Input. - In other words, if the input ends with the test. - When the optional predicate is specified, it is used for character-wise - comparison. - - - \param Input An input sequence - \param Test A test sequence - \param Comp An element comparison predicate - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T, typename PredicateT> - inline bool ends_with( - const Range1T& Input, - const Range2T& Test, - PredicateT Comp) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input)); - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test)); - - typedef BOOST_STRING_TYPENAME - range_const_iterator<Range1T>::type Iterator1T; - typedef BOOST_STRING_TYPENAME boost::detail:: - iterator_traits<Iterator1T>::iterator_category category; - - return detail:: - ends_with_iter_select( - ::boost::begin(lit_input), - ::boost::end(lit_input), - ::boost::begin(lit_test), - ::boost::end(lit_test), - Comp, - category()); - } - - - //! 'Ends with' predicate - /*! - \overload - */ - template<typename Range1T, typename Range2T> - inline bool ends_with( - const Range1T& Input, - const Range2T& Test) - { - return ::boost::algorithm::ends_with(Input, Test, is_equal()); - } - - //! 'Ends with' predicate ( case insensitive ) - /*! - This predicate holds when the test container is a suffix of the Input. - In other words, if the input ends with the test. - Elements are compared case insensitively. - - \param Input An input sequence - \param Test A test sequence - \param Loc A locale used for case insensitive comparison - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T> - inline bool iends_with( - const Range1T& Input, - const Range2T& Test, - const std::locale& Loc=std::locale()) - { - return ::boost::algorithm::ends_with(Input, Test, is_iequal(Loc)); - } - -// contains predicate -----------------------------------------------// - - //! 'Contains' predicate - /*! - This predicate holds when the test container is contained in the Input. - When the optional predicate is specified, it is used for character-wise - comparison. - - \param Input An input sequence - \param Test A test sequence - \param Comp An element comparison predicate - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T, typename PredicateT> - inline bool contains( - const Range1T& Input, - const Range2T& Test, - PredicateT Comp) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input)); - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test)); - - if (::boost::empty(lit_test)) - { - // Empty range is contained always - return true; - } - - // Use the temporary variable to make VACPP happy - bool bResult=(::boost::algorithm::first_finder(lit_test,Comp)(::boost::begin(lit_input), ::boost::end(lit_input))); - return bResult; - } - - //! 'Contains' predicate - /*! - \overload - */ - template<typename Range1T, typename Range2T> - inline bool contains( - const Range1T& Input, - const Range2T& Test) - { - return ::boost::algorithm::contains(Input, Test, is_equal()); - } - - //! 'Contains' predicate ( case insensitive ) - /*! - This predicate holds when the test container is contained in the Input. - Elements are compared case insensitively. - - \param Input An input sequence - \param Test A test sequence - \param Loc A locale used for case insensitive comparison - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T> - inline bool icontains( - const Range1T& Input, - const Range2T& Test, - const std::locale& Loc=std::locale()) - { - return ::boost::algorithm::contains(Input, Test, is_iequal(Loc)); - } - -// equals predicate -----------------------------------------------// - - //! 'Equals' predicate - /*! - This predicate holds when the test container is equal to the - input container i.e. all elements in both containers are same. - When the optional predicate is specified, it is used for character-wise - comparison. - - \param Input An input sequence - \param Test A test sequence - \param Comp An element comparison predicate - \return The result of the test - - \note This is a two-way version of \c std::equal algorithm - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T, typename PredicateT> - inline bool equals( - const Range1T& Input, - const Range2T& Test, - PredicateT Comp) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input)); - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test)); - - typedef BOOST_STRING_TYPENAME - range_const_iterator<Range1T>::type Iterator1T; - typedef BOOST_STRING_TYPENAME - range_const_iterator<Range2T>::type Iterator2T; - - Iterator1T InputEnd=::boost::end(lit_input); - Iterator2T TestEnd=::boost::end(lit_test); - - Iterator1T it=::boost::begin(lit_input); - Iterator2T pit=::boost::begin(lit_test); - for(; - it!=InputEnd && pit!=TestEnd; - ++it,++pit) - { - if( !(Comp(*it,*pit)) ) - return false; - } - - return (pit==TestEnd) && (it==InputEnd); - } - - //! 'Equals' predicate - /*! - \overload - */ - template<typename Range1T, typename Range2T> - inline bool equals( - const Range1T& Input, - const Range2T& Test) - { - return ::boost::algorithm::equals(Input, Test, is_equal()); - } - - //! 'Equals' predicate ( case insensitive ) - /*! - This predicate holds when the test container is equal to the - input container i.e. all elements in both containers are same. - Elements are compared case insensitively. - - \param Input An input sequence - \param Test A test sequence - \param Loc A locale used for case insensitive comparison - \return The result of the test - - \note This is a two-way version of \c std::equal algorithm - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T> - inline bool iequals( - const Range1T& Input, - const Range2T& Test, - const std::locale& Loc=std::locale()) - { - return ::boost::algorithm::equals(Input, Test, is_iequal(Loc)); - } - -// lexicographical_compare predicate -----------------------------// - - //! Lexicographical compare predicate - /*! - This predicate is an overload of std::lexicographical_compare - for range arguments - - It check whether the first argument is lexicographically less - then the second one. - - If the optional predicate is specified, it is used for character-wise - comparison - - \param Arg1 First argument - \param Arg2 Second argument - \param Pred Comparison predicate - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T, typename PredicateT> - inline bool lexicographical_compare( - const Range1T& Arg1, - const Range2T& Arg2, - PredicateT Pred) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_arg1(::boost::as_literal(Arg1)); - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_arg2(::boost::as_literal(Arg2)); - - return std::lexicographical_compare( - ::boost::begin(lit_arg1), - ::boost::end(lit_arg1), - ::boost::begin(lit_arg2), - ::boost::end(lit_arg2), - Pred); - } - - //! Lexicographical compare predicate - /*! - \overload - */ - template<typename Range1T, typename Range2T> - inline bool lexicographical_compare( - const Range1T& Arg1, - const Range2T& Arg2) - { - return ::boost::algorithm::lexicographical_compare(Arg1, Arg2, is_less()); - } - - //! Lexicographical compare predicate (case-insensitive) - /*! - This predicate is an overload of std::lexicographical_compare - for range arguments. - It check whether the first argument is lexicographically less - then the second one. - Elements are compared case insensitively - - - \param Arg1 First argument - \param Arg2 Second argument - \param Loc A locale used for case insensitive comparison - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename Range1T, typename Range2T> - inline bool ilexicographical_compare( - const Range1T& Arg1, - const Range2T& Arg2, - const std::locale& Loc=std::locale()) - { - return ::boost::algorithm::lexicographical_compare(Arg1, Arg2, is_iless(Loc)); - } - - -// all predicate -----------------------------------------------// - - //! 'All' predicate - /*! - This predicate holds it all its elements satisfy a given - condition, represented by the predicate. - - \param Input An input sequence - \param Pred A predicate - \return The result of the test - - \note This function provides the strong exception-safety guarantee - */ - template<typename RangeT, typename PredicateT> - inline bool all( - const RangeT& Input, - PredicateT Pred) - { - iterator_range<BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> lit_input(::boost::as_literal(Input)); - - typedef BOOST_STRING_TYPENAME - range_const_iterator<RangeT>::type Iterator1T; - - Iterator1T InputEnd=::boost::end(lit_input); - for( Iterator1T It=::boost::begin(lit_input); It!=InputEnd; ++It) - { - if (!Pred(*It)) - return false; - } - - return true; - } - - } // namespace algorithm - - // pull names to the boost namespace - using algorithm::starts_with; - using algorithm::istarts_with; - using algorithm::ends_with; - using algorithm::iends_with; - using algorithm::contains; - using algorithm::icontains; - using algorithm::equals; - using algorithm::iequals; - using algorithm::all; - using algorithm::lexicographical_compare; - using algorithm::ilexicographical_compare; - -} // namespace boost - - -#endif // BOOST_STRING_PREDICATE_HPP +// Boost string_algo library predicate.hpp header file ---------------------------//
+
+// Copyright Pavol Droba 2002-2003.
+//
+// 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/ for updates, documentation, and revision history.
+
+#ifndef BOOST_STRING_PREDICATE_HPP
+#define BOOST_STRING_PREDICATE_HPP
+
+#include <boost/algorithm/string/config.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+#include <boost/range/iterator.hpp>
+#include <boost/range/const_iterator.hpp>
+#include <boost/range/as_literal.hpp>
+#include <boost/range/iterator_range_core.hpp>
+
+#include <boost/algorithm/string/compare.hpp>
+#include <boost/algorithm/string/find.hpp>
+#include <boost/algorithm/string/detail/predicate.hpp>
+
+/*! \file boost/algorithm/string/predicate.hpp
+ Defines string-related predicates.
+ The predicates determine whether a substring is contained in the input string
+ under various conditions: a string starts with the substring, ends with the
+ substring, simply contains the substring or if both strings are equal.
+ Additionaly the algorithm \c all() checks all elements of a container to satisfy a
+ condition.
+
+ All predicates provide the strong exception guarantee.
+*/
+
+namespace boost {
+ namespace algorithm {
+
+// starts_with predicate -----------------------------------------------//
+
+ //! 'Starts with' predicate
+ /*!
+ This predicate holds when the test string is a prefix of the Input.
+ In other words, if the input starts with the test.
+ When the optional predicate is specified, it is used for character-wise
+ comparison.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Comp An element comparison predicate
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T, typename PredicateT>
+ inline bool starts_with(
+ const Range1T& Input,
+ const Range2T& Test,
+ PredicateT Comp)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input));
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test));
+
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<Range1T>::type Iterator1T;
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<Range2T>::type Iterator2T;
+
+ Iterator1T InputEnd=::boost::end(lit_input);
+ Iterator2T TestEnd=::boost::end(lit_test);
+
+ Iterator1T it=::boost::begin(lit_input);
+ Iterator2T pit=::boost::begin(lit_test);
+ for(;
+ it!=InputEnd && pit!=TestEnd;
+ ++it,++pit)
+ {
+ if( !(Comp(*it,*pit)) )
+ return false;
+ }
+
+ return pit==TestEnd;
+ }
+
+ //! 'Starts with' predicate
+ /*!
+ \overload
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool starts_with(
+ const Range1T& Input,
+ const Range2T& Test)
+ {
+ return ::boost::algorithm::starts_with(Input, Test, is_equal());
+ }
+
+ //! 'Starts with' predicate ( case insensitive )
+ /*!
+ This predicate holds when the test string is a prefix of the Input.
+ In other words, if the input starts with the test.
+ Elements are compared case insensitively.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Loc A locale used for case insensitive comparison
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool istarts_with(
+ const Range1T& Input,
+ const Range2T& Test,
+ const std::locale& Loc=std::locale())
+ {
+ return ::boost::algorithm::starts_with(Input, Test, is_iequal(Loc));
+ }
+
+
+// ends_with predicate -----------------------------------------------//
+
+ //! 'Ends with' predicate
+ /*!
+ This predicate holds when the test string is a suffix of the Input.
+ In other words, if the input ends with the test.
+ When the optional predicate is specified, it is used for character-wise
+ comparison.
+
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Comp An element comparison predicate
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T, typename PredicateT>
+ inline bool ends_with(
+ const Range1T& Input,
+ const Range2T& Test,
+ PredicateT Comp)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input));
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test));
+
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<Range1T>::type Iterator1T;
+ typedef BOOST_STRING_TYPENAME boost::detail::
+ iterator_traits<Iterator1T>::iterator_category category;
+
+ return detail::
+ ends_with_iter_select(
+ ::boost::begin(lit_input),
+ ::boost::end(lit_input),
+ ::boost::begin(lit_test),
+ ::boost::end(lit_test),
+ Comp,
+ category());
+ }
+
+
+ //! 'Ends with' predicate
+ /*!
+ \overload
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool ends_with(
+ const Range1T& Input,
+ const Range2T& Test)
+ {
+ return ::boost::algorithm::ends_with(Input, Test, is_equal());
+ }
+
+ //! 'Ends with' predicate ( case insensitive )
+ /*!
+ This predicate holds when the test container is a suffix of the Input.
+ In other words, if the input ends with the test.
+ Elements are compared case insensitively.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Loc A locale used for case insensitive comparison
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool iends_with(
+ const Range1T& Input,
+ const Range2T& Test,
+ const std::locale& Loc=std::locale())
+ {
+ return ::boost::algorithm::ends_with(Input, Test, is_iequal(Loc));
+ }
+
+// contains predicate -----------------------------------------------//
+
+ //! 'Contains' predicate
+ /*!
+ This predicate holds when the test container is contained in the Input.
+ When the optional predicate is specified, it is used for character-wise
+ comparison.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Comp An element comparison predicate
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T, typename PredicateT>
+ inline bool contains(
+ const Range1T& Input,
+ const Range2T& Test,
+ PredicateT Comp)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input));
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test));
+
+ if (::boost::empty(lit_test))
+ {
+ // Empty range is contained always
+ return true;
+ }
+
+ // Use the temporary variable to make VACPP happy
+ bool bResult=(::boost::algorithm::first_finder(lit_test,Comp)(::boost::begin(lit_input), ::boost::end(lit_input)));
+ return bResult;
+ }
+
+ //! 'Contains' predicate
+ /*!
+ \overload
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool contains(
+ const Range1T& Input,
+ const Range2T& Test)
+ {
+ return ::boost::algorithm::contains(Input, Test, is_equal());
+ }
+
+ //! 'Contains' predicate ( case insensitive )
+ /*!
+ This predicate holds when the test container is contained in the Input.
+ Elements are compared case insensitively.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Loc A locale used for case insensitive comparison
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool icontains(
+ const Range1T& Input,
+ const Range2T& Test,
+ const std::locale& Loc=std::locale())
+ {
+ return ::boost::algorithm::contains(Input, Test, is_iequal(Loc));
+ }
+
+// equals predicate -----------------------------------------------//
+
+ //! 'Equals' predicate
+ /*!
+ This predicate holds when the test container is equal to the
+ input container i.e. all elements in both containers are same.
+ When the optional predicate is specified, it is used for character-wise
+ comparison.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Comp An element comparison predicate
+ \return The result of the test
+
+ \note This is a two-way version of \c std::equal algorithm
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T, typename PredicateT>
+ inline bool equals(
+ const Range1T& Input,
+ const Range2T& Test,
+ PredicateT Comp)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_input(::boost::as_literal(Input));
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_test(::boost::as_literal(Test));
+
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<Range1T>::type Iterator1T;
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<Range2T>::type Iterator2T;
+
+ Iterator1T InputEnd=::boost::end(lit_input);
+ Iterator2T TestEnd=::boost::end(lit_test);
+
+ Iterator1T it=::boost::begin(lit_input);
+ Iterator2T pit=::boost::begin(lit_test);
+ for(;
+ it!=InputEnd && pit!=TestEnd;
+ ++it,++pit)
+ {
+ if( !(Comp(*it,*pit)) )
+ return false;
+ }
+
+ return (pit==TestEnd) && (it==InputEnd);
+ }
+
+ //! 'Equals' predicate
+ /*!
+ \overload
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool equals(
+ const Range1T& Input,
+ const Range2T& Test)
+ {
+ return ::boost::algorithm::equals(Input, Test, is_equal());
+ }
+
+ //! 'Equals' predicate ( case insensitive )
+ /*!
+ This predicate holds when the test container is equal to the
+ input container i.e. all elements in both containers are same.
+ Elements are compared case insensitively.
+
+ \param Input An input sequence
+ \param Test A test sequence
+ \param Loc A locale used for case insensitive comparison
+ \return The result of the test
+
+ \note This is a two-way version of \c std::equal algorithm
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool iequals(
+ const Range1T& Input,
+ const Range2T& Test,
+ const std::locale& Loc=std::locale())
+ {
+ return ::boost::algorithm::equals(Input, Test, is_iequal(Loc));
+ }
+
+// lexicographical_compare predicate -----------------------------//
+
+ //! Lexicographical compare predicate
+ /*!
+ This predicate is an overload of std::lexicographical_compare
+ for range arguments
+
+ It check whether the first argument is lexicographically less
+ then the second one.
+
+ If the optional predicate is specified, it is used for character-wise
+ comparison
+
+ \param Arg1 First argument
+ \param Arg2 Second argument
+ \param Pred Comparison predicate
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T, typename PredicateT>
+ inline bool lexicographical_compare(
+ const Range1T& Arg1,
+ const Range2T& Arg2,
+ PredicateT Pred)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range1T>::type> lit_arg1(::boost::as_literal(Arg1));
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<Range2T>::type> lit_arg2(::boost::as_literal(Arg2));
+
+ return std::lexicographical_compare(
+ ::boost::begin(lit_arg1),
+ ::boost::end(lit_arg1),
+ ::boost::begin(lit_arg2),
+ ::boost::end(lit_arg2),
+ Pred);
+ }
+
+ //! Lexicographical compare predicate
+ /*!
+ \overload
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool lexicographical_compare(
+ const Range1T& Arg1,
+ const Range2T& Arg2)
+ {
+ return ::boost::algorithm::lexicographical_compare(Arg1, Arg2, is_less());
+ }
+
+ //! Lexicographical compare predicate (case-insensitive)
+ /*!
+ This predicate is an overload of std::lexicographical_compare
+ for range arguments.
+ It check whether the first argument is lexicographically less
+ then the second one.
+ Elements are compared case insensitively
+
+
+ \param Arg1 First argument
+ \param Arg2 Second argument
+ \param Loc A locale used for case insensitive comparison
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename Range1T, typename Range2T>
+ inline bool ilexicographical_compare(
+ const Range1T& Arg1,
+ const Range2T& Arg2,
+ const std::locale& Loc=std::locale())
+ {
+ return ::boost::algorithm::lexicographical_compare(Arg1, Arg2, is_iless(Loc));
+ }
+
+
+// all predicate -----------------------------------------------//
+
+ //! 'All' predicate
+ /*!
+ This predicate holds it all its elements satisfy a given
+ condition, represented by the predicate.
+
+ \param Input An input sequence
+ \param Pred A predicate
+ \return The result of the test
+
+ \note This function provides the strong exception-safety guarantee
+ */
+ template<typename RangeT, typename PredicateT>
+ inline bool all(
+ const RangeT& Input,
+ PredicateT Pred)
+ {
+ iterator_range<BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type> lit_input(::boost::as_literal(Input));
+
+ typedef BOOST_STRING_TYPENAME
+ range_const_iterator<RangeT>::type Iterator1T;
+
+ Iterator1T InputEnd=::boost::end(lit_input);
+ for( Iterator1T It=::boost::begin(lit_input); It!=InputEnd; ++It)
+ {
+ if (!Pred(*It))
+ return false;
+ }
+
+ return true;
+ }
+
+ } // namespace algorithm
+
+ // pull names to the boost namespace
+ using algorithm::starts_with;
+ using algorithm::istarts_with;
+ using algorithm::ends_with;
+ using algorithm::iends_with;
+ using algorithm::contains;
+ using algorithm::icontains;
+ using algorithm::equals;
+ using algorithm::iequals;
+ using algorithm::all;
+ using algorithm::lexicographical_compare;
+ using algorithm::ilexicographical_compare;
+
+} // namespace boost
+
+
+#endif // BOOST_STRING_PREDICATE_HPP
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