173 lines
3.0 KiB
C++
173 lines
3.0 KiB
C++
//
|
|
// Copyright (c) 2022 Alan de Freitas (alandefreitas@gmail.com)
|
|
//
|
|
// 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)
|
|
//
|
|
// Official repository: https://github.com/boostorg/url
|
|
//
|
|
|
|
#ifndef BOOST_URL_IMPL_PCT_ENCODED_VIEW_HPP
|
|
#define BOOST_URL_IMPL_PCT_ENCODED_VIEW_HPP
|
|
|
|
#include <boost/url/grammar/type_traits.hpp>
|
|
#include <boost/static_assert.hpp>
|
|
|
|
namespace boost {
|
|
namespace urls {
|
|
|
|
class decode_view::iterator
|
|
{
|
|
char const* begin_ = nullptr;
|
|
char const* pos_ = nullptr;
|
|
bool space_as_plus_ = true;
|
|
|
|
friend decode_view;
|
|
|
|
iterator(
|
|
char const* str,
|
|
bool space_as_plus) noexcept
|
|
: begin_(str)
|
|
, pos_(str)
|
|
, space_as_plus_(
|
|
space_as_plus)
|
|
{
|
|
}
|
|
|
|
// end ctor
|
|
iterator(
|
|
char const* str,
|
|
size_type n,
|
|
bool space_as_plus) noexcept
|
|
: begin_(str)
|
|
, pos_(str + n)
|
|
, space_as_plus_(space_as_plus)
|
|
{
|
|
}
|
|
|
|
public:
|
|
using value_type = char;
|
|
using reference = char;
|
|
using pointer = void const*;
|
|
using const_reference = char;
|
|
using size_type = std::size_t;
|
|
using difference_type = std::ptrdiff_t;
|
|
using iterator_category =
|
|
std::bidirectional_iterator_tag;
|
|
|
|
iterator() = default;
|
|
|
|
iterator(iterator const&) = default;
|
|
|
|
iterator&
|
|
operator=(iterator const&) = default;
|
|
|
|
BOOST_URL_DECL
|
|
reference
|
|
operator*() const noexcept;
|
|
|
|
iterator&
|
|
operator++() noexcept
|
|
{
|
|
BOOST_ASSERT(pos_ != nullptr);
|
|
if (*pos_ != '%')
|
|
++pos_;
|
|
else
|
|
pos_ += 3;
|
|
return *this;
|
|
}
|
|
|
|
iterator&
|
|
operator--() noexcept
|
|
{
|
|
BOOST_ASSERT(pos_ != begin_);
|
|
if (pos_ - begin_ < 3 ||
|
|
pos_[-3] != '%')
|
|
--pos_;
|
|
else
|
|
pos_ -= 3;
|
|
return *this;
|
|
}
|
|
|
|
iterator
|
|
operator++(int) noexcept
|
|
{
|
|
auto tmp = *this;
|
|
++*this;
|
|
return tmp;
|
|
}
|
|
|
|
iterator
|
|
operator--(int) noexcept
|
|
{
|
|
auto tmp = *this;
|
|
--*this;
|
|
return tmp;
|
|
}
|
|
|
|
char const*
|
|
base()
|
|
{
|
|
return pos_;
|
|
}
|
|
|
|
bool
|
|
operator==(
|
|
iterator const& other) const noexcept
|
|
{
|
|
return pos_ == other.pos_;
|
|
}
|
|
|
|
bool
|
|
operator!=(
|
|
iterator const& other) const noexcept
|
|
{
|
|
return !(*this == other);
|
|
}
|
|
};
|
|
|
|
//------------------------------------------------
|
|
|
|
inline
|
|
auto
|
|
decode_view::
|
|
begin() const noexcept ->
|
|
const_iterator
|
|
{
|
|
return {p_, space_as_plus_};
|
|
}
|
|
|
|
inline
|
|
auto
|
|
decode_view::
|
|
end() const noexcept ->
|
|
const_iterator
|
|
{
|
|
return {p_, n_, space_as_plus_};
|
|
}
|
|
|
|
inline
|
|
auto
|
|
decode_view::
|
|
front() const noexcept ->
|
|
const_reference
|
|
{
|
|
BOOST_ASSERT( !empty() );
|
|
return *begin();
|
|
}
|
|
|
|
inline
|
|
auto
|
|
decode_view::
|
|
back() const noexcept ->
|
|
const_reference
|
|
{
|
|
BOOST_ASSERT( !empty() );
|
|
return *--end();
|
|
}
|
|
|
|
} // urls
|
|
} // boost
|
|
|
|
#endif
|