mirror of
https://github.com/systemed/tilemaker
synced 2025-02-22 06:24:08 +01:00
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
#ifndef PROTOZERO_BUFFER_STRING_HPP
|
|
#define PROTOZERO_BUFFER_STRING_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_string.hpp
|
|
*
|
|
* @brief Contains the customization points for buffer implementation based
|
|
* on std::string
|
|
*/
|
|
|
|
#include "buffer_tmpl.hpp"
|
|
#include "config.hpp"
|
|
|
|
#include <cstddef>
|
|
#include <iterator>
|
|
#include <string>
|
|
|
|
namespace protozero {
|
|
|
|
// Implementation of buffer customizations points for std::string
|
|
|
|
/// @cond INTERNAL
|
|
template <>
|
|
struct buffer_customization<std::string> {
|
|
|
|
static std::size_t size(const std::string* buffer) noexcept {
|
|
return buffer->size();
|
|
}
|
|
|
|
static void append(std::string* buffer, const char* data, std::size_t count) {
|
|
buffer->append(data, count);
|
|
}
|
|
|
|
static void append_zeros(std::string* buffer, std::size_t count) {
|
|
buffer->append(count, '\0');
|
|
}
|
|
|
|
static void resize(std::string* buffer, std::size_t size) {
|
|
protozero_assert(size < buffer->size());
|
|
buffer->resize(size);
|
|
}
|
|
|
|
static void reserve_additional(std::string* buffer, std::size_t size) {
|
|
buffer->reserve(buffer->size() + size);
|
|
}
|
|
|
|
static void erase_range(std::string* 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(), static_cast<std::string::iterator::difference_type>(from)),
|
|
std::next(buffer->begin(), static_cast<std::string::iterator::difference_type>(to)));
|
|
}
|
|
|
|
static char* at_pos(std::string* buffer, std::size_t pos) {
|
|
protozero_assert(pos <= buffer->size());
|
|
return (&*buffer->begin()) + pos;
|
|
}
|
|
|
|
static void push_back(std::string* buffer, char ch) {
|
|
buffer->push_back(ch);
|
|
}
|
|
|
|
};
|
|
/// @endcond
|
|
|
|
} // namespace protozero
|
|
|
|
#endif // PROTOZERO_BUFFER_STRING_HPP
|