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#ifndef PROTOZERO_BUFFER_VECTOR_HPP
#define PROTOZERO_BUFFER_VECTOR_HPP
/*****************************************************************************
protozero - Minimalistic protocol buffer decoder and encoder in C++.
This file is from https://github.com/mapbox/protozero where you can find more
documentation.
*****************************************************************************/
/**
* @file buffer_vector.hpp
*
* @brief Contains the customization points for buffer implementation based
* on std::vector<char>
*/
#include "buffer_tmpl.hpp"
#include <cstddef>
#include <iterator>
#include <vector>
namespace protozero {
// Implementation of buffer customizations points for std::vector<char>
/// @cond INTERNAL
template <>
struct buffer_customization<std::vector<char>> {
static std::size_t size(const std::vector<char>* buffer) noexcept {
return buffer->size();
}
static void append(std::vector<char>* buffer, const char* data, std::size_t count) {
buffer->insert(buffer->end(), data, data + count);
}
static void append_zeros(std::vector<char>* buffer, std::size_t count) {
buffer->insert(buffer->end(), count, '\0');
}
static void resize(std::vector<char>* buffer, std::size_t size) {
protozero_assert(size < buffer->size());
buffer->resize(size);
}
static void reserve_additional(std::vector<char>* buffer, std::size_t size) {
buffer->reserve(buffer->size() + size);
}
static void erase_range(std::vector<char>* buffer, std::size_t from, std::size_t to) {
protozero_assert(from <= buffer->size());
protozero_assert(to <= buffer->size());
protozero_assert(from <= to);
buffer->erase(std::next(buffer->begin(), from), std::next(buffer->begin(), to));
}
static char* at_pos(std::vector<char>* buffer, std::size_t pos) {
protozero_assert(pos <= buffer->size());
return (&*buffer->begin()) + pos;
}
static void push_back(std::vector<char>* buffer, char ch) {
buffer->push_back(ch);
}
};
/// @endcond
} // namespace protozero
#endif // PROTOZERO_BUFFER_VECTOR_HPP
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