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make expanding buffer externally expandable with copy!

v1
Brett 2024-07-29 19:34:03 -04:00
parent 5ab01e43df
commit f99e6b3db9
3 changed files with 25 additions and 20 deletions
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2
CMakeLists.txt
View File

@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.20) cmake_minimum_required(VERSION 3.20)
include(cmake/color.cmake) include(cmake/color.cmake)
set(BLT_VERSION 0.18.14) set(BLT_VERSION 0.18.15)
set(BLT_TEST_VERSION 0.0.1) set(BLT_TEST_VERSION 0.0.1)
set(BLT_TARGET BLT) set(BLT_TARGET BLT)

20
arg_parse_variant_map.drawio
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@ -4,7 +4,7 @@
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@ -12,7 +12,7 @@
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@ -23,25 +23,25 @@
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@ -56,13 +56,13 @@
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23
include/blt/std/memory.h
View File

@ -376,14 +376,14 @@ namespace blt
constexpr inline T& operator[](size_t index) constexpr inline T& operator[](size_t index)
{ {
if (index >= size()) if (index >= size())
expand(index); allocate_for(index);
return buffer_[index]; return buffer_[index];
} }
constexpr inline const T& operator[](size_t index) const constexpr inline const T& operator[](size_t index) const
{ {
if (index >= size()) if (index >= size())
expand(index); allocate_for(index);
return buffer_[index]; return buffer_[index];
} }
@ -461,13 +461,10 @@ namespace blt
{ {
delete_this(buffer_, size()); delete_this(buffer_, size());
} }
private: void expand(blt::size_t new_size)
void expand(blt::size_t size)
{ {
size = std::max(size_, size); T* new_buffer = new T[new_size];
size = blt::mem::next_byte_allocation(size);
T* new_buffer = new T[size];
if (buffer_ != nullptr) if (buffer_ != nullptr)
{ {
if constexpr (std::is_trivially_copyable_v<T>) if constexpr (std::is_trivially_copyable_v<T>)
@ -486,7 +483,15 @@ namespace blt
delete[] buffer_; delete[] buffer_;
} }
buffer_ = new_buffer; buffer_ = new_buffer;
size_ = size; size_ = new_size;
}
private:
void allocate_for(blt::size_t accessing_index)
{
accessing_index = std::max(size_, accessing_index);
accessing_index = blt::mem::next_byte_allocation(accessing_index);
expand(accessing_index);
} }
inline void delete_this(T* buffer, blt::size_t) inline void delete_this(T* buffer, blt::size_t)