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Vinnie Falco
2019-09-13 14:27:09 -07:00
parent 773450c868
commit c0ffc9f665
4 changed files with 449 additions and 266 deletions
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165
include/boost/fixed_string/impl/fixed_string.hpp
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@ -21,7 +21,7 @@ namespace fixed_string {
// (constructor)
//
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string()
{
@ -29,14 +29,14 @@ fixed_string()
term();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(size_type count, CharT ch)
{
assign(count, ch);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
fixed_string<N, CharT, Traits>::
fixed_string(fixed_string<M, CharT, Traits> const& other,
@ -45,23 +45,25 @@ fixed_string(fixed_string<M, CharT, Traits> const& other,
assign(other, pos);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
fixed_string<N, CharT, Traits>::
fixed_string(fixed_string<M, CharT, Traits> const& other,
size_type pos, size_type count)
fixed_string(
fixed_string<M, CharT, Traits> const& other,
size_type pos,
size_type count)
{
assign(other, pos, count);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(CharT const* s, size_type count)
{
assign(s, count);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(CharT const* s)
{
@ -73,44 +75,51 @@ fixed_string(CharT const* s)
Traits::copy(&s_[0], s, n_ + 1);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class InputIt>
fixed_string<N, CharT, Traits>::
fixed_string(InputIt first, InputIt last)
fixed_string(
InputIt first,
InputIt last,
typename std::enable_if<
detail::is_input_iterator<InputIt>::value,
iterator>::type*)
{
assign(first, last);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(fixed_string const& s)
fixed_string(
fixed_string const& s)
{
assign(s);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
fixed_string<N, CharT, Traits>::
fixed_string(fixed_string<M, CharT, Traits> const& s)
fixed_string(
fixed_string<M, CharT, Traits> const& s)
{
assign(s);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(std::initializer_list<CharT> init)
{
assign(init.begin(), init.end());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
fixed_string<N, CharT, Traits>::
fixed_string(string_view_type sv)
{
assign(sv);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class T, class>
fixed_string<N, CharT, Traits>::
fixed_string(T const& t, size_type pos, size_type n)
@ -122,7 +131,7 @@ fixed_string(T const& t, size_type pos, size_type n)
// (assignment)
//
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
operator=(CharT const* s) ->
@ -137,7 +146,7 @@ operator=(CharT const* s) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
assign(size_type count, CharT ch) ->
@ -152,33 +161,33 @@ assign(size_type count, CharT ch) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
assign(fixed_string const& str) ->
assign(fixed_string const& s) ->
fixed_string&
{
n_ = str.n_;
n_ = s.n_;
auto const n = n_ + 1;
// VFALCO I can't remember the thinking behind this
//BOOST_BEAST_ASSUME(n != 0);
Traits::copy(&s_[0], &str.s_[0], n);
Traits::copy(&s_[0], &s.s_[0], n);
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
auto
fixed_string<N, CharT, Traits>::
assign(fixed_string<M, CharT, Traits> const& str,
assign(fixed_string<M, CharT, Traits> const& s,
size_type pos, size_type count) ->
fixed_string&
{
auto const ss = str.substr(pos, count);
auto const ss = s.substr(pos, count);
return assign(ss.data(), ss.size());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
assign(CharT const* s, size_type count) ->
@ -193,12 +202,14 @@ assign(CharT const* s, size_type count) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class InputIt>
auto
fixed_string<N, CharT, Traits>::
assign(InputIt first, InputIt last) ->
fixed_string&
typename std::enable_if<
detail::is_input_iterator<InputIt>::value,
fixed_string&>::type
{
std::size_t const n = std::distance(first, last);
if(n > max_size())
@ -211,7 +222,7 @@ assign(InputIt first, InputIt last) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class T>
auto
fixed_string<N, CharT, Traits>::
@ -233,7 +244,7 @@ assign(T const& t, size_type pos, size_type count) ->
// Element access
//
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
at(size_type pos) ->
@ -245,7 +256,7 @@ at(size_type pos) ->
return s_[pos];
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
at(size_type pos) const ->
@ -261,7 +272,7 @@ at(size_type pos) const ->
// Capacity
//
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
reserve(std::size_t n)
@ -275,7 +286,7 @@ reserve(std::size_t n)
// Operations
//
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
clear()
@ -284,7 +295,7 @@ clear()
term();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
insert(size_type index, size_type count, CharT ch) ->
@ -297,7 +308,7 @@ insert(size_type index, size_type count, CharT ch) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
insert(size_type index, CharT const* s, size_type count) ->
@ -317,20 +328,20 @@ insert(size_type index, CharT const* s, size_type count) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
auto
fixed_string<N, CharT, Traits>::
insert(size_type index,
fixed_string<M, CharT, Traits> const& str,
fixed_string<M, CharT, Traits> const& s,
size_type index_str, size_type count) ->
fixed_string&
{
auto const ss = str.substr(index_str, count);
auto const ss = s.substr(index_str, count);
return insert(index, ss.data(), ss.size());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
insert(const_iterator pos, size_type count, CharT ch) ->
@ -348,7 +359,7 @@ insert(const_iterator pos, size_type count, CharT ch) ->
return &s_[index];
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class InputIt>
auto
fixed_string<N, CharT, Traits>::
@ -372,7 +383,7 @@ insert(const_iterator pos, InputIt first, InputIt last) ->
return begin() + index;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<class T>
auto
fixed_string<N, CharT, Traits>::
@ -383,12 +394,12 @@ insert(size_type index, const T& t,
! std::is_convertible<T const&, CharT const*>::value,
fixed_string&>::type
{
auto const str =
auto const s =
string_view_type(t).substr(index_str, count);
return insert(index, str.data(), str.size());
return insert(index, s.data(), s.size());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
erase(size_type index, size_type count) ->
@ -404,7 +415,7 @@ erase(size_type index, size_type count) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
erase(const_iterator pos) ->
@ -414,7 +425,7 @@ erase(const_iterator pos) ->
return begin() + (pos - begin());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
erase(const_iterator first, const_iterator last) ->
@ -425,7 +436,7 @@ erase(const_iterator first, const_iterator last) ->
return begin() + (first - begin());
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
push_back(CharT ch)
@ -437,25 +448,25 @@ push_back(CharT ch)
term();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
auto
fixed_string<N, CharT, Traits>::
append(fixed_string<M, CharT, Traits> const& str,
append(fixed_string<M, CharT, Traits> const& s,
size_type pos, size_type count) ->
fixed_string&
{
// Valid range is [0, size)
if(pos >= str.size())
if(pos >= s.size())
BOOST_THROW_EXCEPTION(std::out_of_range{
"pos > str.size()"});
string_view_type const ss{&str.s_[pos],
(std::min)(count, str.size() - pos)};
"pos > s.size()"});
string_view_type const ss{&s.s_[pos],
(std::min)(count, s.size() - pos)};
insert(size(), ss.data(), ss.size());
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
substr(size_type pos, size_type count) const ->
@ -467,18 +478,18 @@ substr(size_type pos, size_type count) const ->
return{&s_[pos], (std::min)(count, size() - pos)};
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
copy(CharT* dest, size_type count, size_type pos) const ->
size_type
{
auto const str = substr(pos, count);
Traits::copy(dest, str.data(), str.size());
return str.size();
auto const s = substr(pos, count);
Traits::copy(dest, s.data(), s.size());
return s.size();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
resize(std::size_t n)
@ -492,7 +503,7 @@ resize(std::size_t n)
term();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
resize(std::size_t n, CharT c)
@ -506,39 +517,39 @@ resize(std::size_t n, CharT c)
term();
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
void
fixed_string<N, CharT, Traits>::
swap(fixed_string& str)
swap(fixed_string& s)
{
fixed_string tmp(str);
str.n_ = n_;
Traits::copy(&str.s_[0], &s_[0], n_ + 1);
fixed_string tmp(s);
s.n_ = n_;
Traits::copy(&s.s_[0], &s_[0], n_ + 1);
n_ = tmp.n_;
Traits::copy(&s_[0], &tmp.s_[0], n_ + 1);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
template<std::size_t M>
void
fixed_string<N, CharT, Traits>::
swap(fixed_string<M, CharT, Traits>& str)
swap(fixed_string<M, CharT, Traits>& s)
{
if(size() > str.max_size())
if(size() > s.max_size())
BOOST_THROW_EXCEPTION(std::length_error{
"size() > str.max_size()"});
if(str.size() > max_size())
"size() > s.max_size()"});
if(s.size() > max_size())
BOOST_THROW_EXCEPTION(std::length_error{
"str.size() > max_size()"});
fixed_string tmp(str);
str.n_ = n_;
Traits::copy(&str.s_[0], &s_[0], n_ + 1);
"s.size() > max_size()"});
fixed_string tmp(s);
s.n_ = n_;
Traits::copy(&s.s_[0], &s_[0], n_ + 1);
n_ = tmp.n_;
Traits::copy(&s_[0], &tmp.s_[0], n_ + 1);
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
assign_char(CharT ch, std::true_type) ->
@ -550,7 +561,7 @@ assign_char(CharT ch, std::true_type) ->
return *this;
}
template<std::size_t N, class CharT, class Traits>
template<std::size_t N, typename CharT, typename Traits>
auto
fixed_string<N, CharT, Traits>::
assign_char(CharT, std::false_type) ->