libcruft-util/view.cpp

71 lines
2.5 KiB
C++
Raw Normal View History

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2016 Danny Robson <danny@nerdcruft.net>
*/
#include "./view.hpp"
2016-07-28 13:31:52 +10:00
#include <iterator>
///////////////////////////////////////////////////////////////////////////////
#define EQUALITY(A,B) \
bool \
util::operator== (A a, B b) \
{ \
return a.size () == a.size () && \
std::equal (a.cbegin (), \
a.cend (), \
b.cbegin ()); \
}
EQUALITY(const std::string&, view<const char*>)
EQUALITY(const std::string&, view<char*>)
EQUALITY(const std::string&, view<std::string::const_iterator>)
EQUALITY(const std::string&, view<std::string::iterator>)
EQUALITY(view<const char*>, const std::string&)
EQUALITY(view<char*>, const std::string&)
EQUALITY(view<std::string::const_iterator>, const std::string&)
EQUALITY(view<std::string::iterator>, const std::string&)
#undef EQUALITY
///////////////////////////////////////////////////////////////////////////////
namespace util {
#define OSTREAM(A) \
template <> \
std::ostream& \
operator<< (std::ostream &os, view<A> a) { \
std::copy (a.cbegin (), \
std::find (a.cbegin (), a.cend (), '\0'), \
std::ostream_iterator<decltype(a)::value_type> (os)); \
\
return os; \
}
OSTREAM(const char*)
OSTREAM(char*)
OSTREAM( signed char*)
OSTREAM(unsigned char*)
OSTREAM(const signed char*)
OSTREAM(const unsigned char*)
OSTREAM(std::string::const_iterator)
OSTREAM(std::string::iterator)
#undef OSTREAM
}