You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
2.1 KiB
66 lines
2.1 KiB
/*
|
|
* Copyright 2019 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "fields/count_field.h"
|
|
#include "util.h"
|
|
|
|
const std::string CountField::kFieldType = "CountField";
|
|
|
|
CountField::CountField(std::string name, int size, ParseLocation loc)
|
|
: ScalarField(name + "_count", size, loc), sized_field_name_(name) {}
|
|
|
|
const std::string& CountField::GetFieldType() const {
|
|
return CountField::kFieldType;
|
|
}
|
|
|
|
void CountField::GenGetter(std::ostream& s, Size start_offset, Size end_offset) const {
|
|
s << "protected:";
|
|
ScalarField::GenGetter(s, start_offset, end_offset);
|
|
s << "public:\n";
|
|
}
|
|
|
|
bool CountField::GenBuilderParameter(std::ostream&) const {
|
|
// There is no builder parameter for a size field
|
|
return false;
|
|
}
|
|
|
|
bool CountField::HasParameterValidator() const {
|
|
return false;
|
|
}
|
|
|
|
void CountField::GenParameterValidator(std::ostream&) const {
|
|
// There is no builder parameter for a size field
|
|
// TODO: Check if the payload fits in the packet?
|
|
}
|
|
|
|
void CountField::GenInserter(std::ostream&) const {
|
|
ERROR(this) << __func__ << ": This should not be called for count fields";
|
|
}
|
|
|
|
void CountField::GenValidator(std::ostream&) const {
|
|
// Do nothing since the fixed count fields will be handled specially.
|
|
}
|
|
|
|
std::string CountField::GetSizedFieldName() const {
|
|
return sized_field_name_;
|
|
}
|
|
|
|
void CountField::GenRustWriter(std::ostream& s, Size start_offset, Size) const {
|
|
s << "buffer[" << start_offset.bytes() << "..";
|
|
s << start_offset.bytes() + GetSize().bytes() << "].copy_from_slice(&";
|
|
s << "(self." << GetSizedFieldName() << ".len() as u8).to_le_bytes());";
|
|
}
|