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Added unchecked insertion

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This commit is contained in:
Krystian Stasiowski
2020-02-01 14:40:30 -05:00
parent c9910e30ee
commit 4655d68958
2 changed files with 112 additions and 23 deletions
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90
include/boost/static_string/static_string.hpp
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@ -893,6 +893,10 @@ public:
Strong guarantee.
@note
The insertion is done unchecked, as the source cannot be
within the destination.
@note All references, pointers, or iterators
referring to contained elements are invalidated. Any
past-the-end iterators are also invalidated.
@ -913,6 +917,36 @@ public:
insert(
size_type index,
const basic_static_string<M, CharT, Traits>& str) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT
{
return insert_unchecked(index, str.data(), str.size());
}
/** Insert a string.
Inserts the string `str`
at the position `index`.
@par Exception Safety
Strong guarantee.
@note All references, pointers, or iterators
referring to contained elements are invalidated. Any
past-the-end iterators are also invalidated.
@return `*this`
@param index The index to insert at.
@param str The string to insert.
@throw std::length_error `size() + str.size() > max_size()`
@throw std::out_of_range `index > size()`
*/
BOOST_STATIC_STRING_CPP14_CONSTEXPR
basic_static_string&
insert(
size_type index,
const basic_static_string& str) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT
{
return insert(index, str.data(), str.size());
}
@ -926,6 +960,10 @@ public:
Strong guarantee.
@note
The insertion is done unchecked, as the source cannot be
within the destination.
@note All references, pointers, or iterators
referring to contained elements are invalidated. Any
past-the-end iterators are also invalidated.
@ -952,6 +990,45 @@ public:
const basic_static_string<M, CharT, Traits>& str,
size_type index_str,
size_type count = npos) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT
{
BOOST_STATIC_STRING_THROW_IF(
index_str > str.size(), std::out_of_range{"index_str > str.size()"}
);
return insert_unchecked(index, str.data() + index_str, (std::min)(count, str.size() - index_str));
}
/** Insert a string.
Inserts a string, obtained by `str.substr(index_str, count)`
at the position `index`.
@par Exception Safety
Strong guarantee.
@note All references, pointers, or iterators
referring to contained elements are invalidated. Any
past-the-end iterators are also invalidated.
@return `*this`
@param index The index to insert at.
@param str The string from which to insert.
@param index_str The index in `str` to start inserting from.
@param count The number of characters to insert.
The default argument for this parameter is @ref npos.
@throw std::length_error `size() + str.substr(index_str, count).size() > max_size()`
@throw std::out_of_range `index > size()`
@throw std::out_of_range `index_str > str.size()`
*/
BOOST_STATIC_STRING_CPP14_CONSTEXPR
basic_static_string&
insert(
size_type index,
const basic_static_string& str,
size_type index_str,
size_type count = npos) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT
{
BOOST_STATIC_STRING_THROW_IF(
index_str > str.size(), std::out_of_range{"index_str > str.size()"}
@ -1152,7 +1229,11 @@ public:
iterator
insert(
const_iterator pos,
std::initializer_list<CharT> ilist) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT;
std::initializer_list<CharT> ilist) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT
{
const auto offset = pos - begin();
return insert_unchecked(offset, ilist.begin(), ilist.size()).begin() + offset;
}
/** Insert characters from an object convertible to `string_view_type`.
@ -3546,6 +3627,13 @@ private:
size_type n1,
const CharT* s,
size_type n2) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT;
BOOST_STATIC_STRING_CPP14_CONSTEXPR
basic_static_string&
insert_unchecked(
size_type index,
const CharT* s,
size_type count) BOOST_STATIC_STRING_NO_EXCEPTIONS_NOEXCEPT;
};
//------------------------------------------------------------------------------