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extend the ByteBuffer a bit more by adding change flag.

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This commit is contained in:
NP v/d Spek 2024-09-22 18:30:47 +02:00
parent 91446d9989
commit a1f2d0afa5
2 changed files with 17 additions and 9 deletions
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16
esphome/core/bytebuffer.cpp
View file

@ -85,7 +85,7 @@ void ByteBuffer::flip() {
uint8_t ByteBuffer::get_uint8() {
assert(this->get_remaining() >= 1);
this->position_++;
this->update_used_space_();
this->update_();
return this->data_[this->position_];
}
uint64_t ByteBuffer::get_uint(size_t length) {
@ -104,7 +104,7 @@ uint64_t ByteBuffer::get_uint(size_t length) {
value |= this->data_[this->position_++];
}
}
this->update_used_space_();
this->update_();
return value;
}
@ -128,7 +128,7 @@ std::vector<uint8_t> ByteBuffer::get_vector(size_t length) {
assert(this->get_remaining() >= length);
auto start = this->data_.begin() + this->position_;
this->position_ += length;
this->update_used_space_();
this->update_();
return {start, start + length};
}
void ByteBuffer::get_bytes(uint8_t *value, size_t length) {
@ -137,14 +137,14 @@ void ByteBuffer::get_bytes(uint8_t *value, size_t length) {
while (length-- != 0) {
*(value + index++) = this->data_[this->position_++];
}
this->update_used_space_();
this->update_();
}
/// Putters
void ByteBuffer::put_uint8(uint8_t value) {
assert(this->get_remaining() >= 1);
this->data_[this->position_++] = value;
this->update_used_space_();
this->update_();
}
void ByteBuffer::put_uint(uint64_t value, size_t length) {
@ -162,7 +162,7 @@ void ByteBuffer::put_uint(uint64_t value, size_t length) {
value >>= 8;
}
}
this->update_used_space_();
this->update_();
}
void ByteBuffer::put_float(float value) {
static_assert(sizeof(float) == sizeof(uint32_t), "Float sizes other than 32 bit not supported");
@ -178,7 +178,7 @@ void ByteBuffer::put_vector(const std::vector<uint8_t> &value) {
assert(this->get_remaining() >= value.size());
std::copy(value.begin(), value.end(), this->data_.begin() + this->position_);
this->position_ += value.size();
this->update_used_space_();
this->update_();
}
void ByteBuffer::put_bytes(const uint8_t *value, size_t length) {
assert(this->get_remaining() >= length);
@ -186,7 +186,7 @@ void ByteBuffer::put_bytes(const uint8_t *value, size_t length) {
while (length-- != 0) {
this->data_[this->position_++] = static_cast<uint8_t>(*(value + index++));
}
this->update_used_space_();
this->update_();
}
} // namespace esphome

10
esphome/core/bytebuffer.h
View file

@ -136,9 +136,16 @@ class ByteBuffer {
void reset() { this->position_ = this->mark_; }
void resize() { this->used_space_ = this->position_; }
bool is_changed() {
bool changed = this->is_changed_;
this->is_changed_ = false;
return changed;
}
protected:
ByteBuffer(std::vector<uint8_t> const &data) : data_(data), limit_(data.size()) {}
void update_used_space_() {
void update_() {
this->is_changed_ = true;
if (this->used_space_ < this->position_) {
this->resize();
}
@ -149,6 +156,7 @@ class ByteBuffer {
size_t mark_{0};
size_t limit_{0};
size_t used_space_{0};
bool is_changed_{false};
};
} // namespace esphome