mirror of https://github.com/odrling/Aegisub
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
// Copyright (c) 2015, Thomas Goyne <plorkyeran@aegisub.org>
|
|
//
|
|
// Permission to use, copy, modify, and distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice appear in all copies.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
//
|
|
// Aegisub Project http://www.aegisub.org/
|
|
|
|
#include <boost/range/iterator_range.hpp>
|
|
|
|
namespace agi {
|
|
typedef boost::iterator_range<std::string::const_iterator> StringRange;
|
|
|
|
template<typename Iterator>
|
|
class split_iterator {
|
|
bool is_end = false;
|
|
Iterator b;
|
|
Iterator cur;
|
|
Iterator e;
|
|
typename Iterator::value_type c;
|
|
|
|
public:
|
|
using iterator_category = std::forward_iterator_tag;
|
|
using value_type = boost::iterator_range<Iterator>;
|
|
using pointer = value_type*;
|
|
using reference = value_type&;
|
|
using difference_type = ptrdiff_t;
|
|
|
|
split_iterator(Iterator begin, Iterator end, typename Iterator::value_type c)
|
|
: b(begin), cur(begin), e(end), c(c)
|
|
{
|
|
if (b != e)
|
|
cur = std::find(b, e, c);
|
|
else
|
|
is_end = true;
|
|
}
|
|
|
|
split_iterator() : is_end(true) { }
|
|
|
|
bool eof() const { return is_end; }
|
|
|
|
boost::iterator_range<Iterator> operator*() const {
|
|
return boost::make_iterator_range(b, cur);
|
|
}
|
|
|
|
bool operator==(split_iterator const& it) const {
|
|
if (is_end || it.is_end)
|
|
return is_end && it.is_end;
|
|
return b == it.b && cur == it.cur && e == it.e && c == it.c;
|
|
}
|
|
|
|
bool operator!=(split_iterator const& it) const {
|
|
return !(*this == it);
|
|
}
|
|
|
|
split_iterator& operator++() {
|
|
if (cur != e) {
|
|
b = cur + 1;
|
|
cur = std::find(b, e, c);
|
|
}
|
|
else {
|
|
b = e;
|
|
is_end = true;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
split_iterator operator++(int) {
|
|
split_iterator tmp = *this;
|
|
++*this;
|
|
return tmp;
|
|
}
|
|
};
|
|
|
|
template<typename Iterator>
|
|
split_iterator<Iterator> begin(split_iterator<Iterator> const& it) {
|
|
return it;
|
|
}
|
|
|
|
template<typename Iterator>
|
|
split_iterator<Iterator> end(split_iterator<Iterator> const&) {
|
|
return split_iterator<Iterator>();
|
|
}
|
|
|
|
static inline std::string str(StringRange const& r) {
|
|
return std::string(r.begin(), r.end());
|
|
}
|
|
|
|
template<typename Str, typename Char>
|
|
split_iterator<typename Str::const_iterator> Split(Str const& str, Char delim) {
|
|
return split_iterator<typename Str::const_iterator>(begin(str), end(str), delim);
|
|
}
|
|
|
|
template<typename Cont, typename Str, typename Char>
|
|
void Split(Cont& out, Str const& str, Char delim) {
|
|
out.clear();
|
|
for (auto const& tok : Split(str, delim))
|
|
out.emplace_back(begin(tok), end(tok));
|
|
}
|
|
}
|