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/*
* Copyright (C) 2017 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 "io/StringInputStream.h"
using ::android::StringPiece;
namespace aapt {
namespace io {
StringInputStream::StringInputStream(const StringPiece& str) : str_(str), offset_(0u) {
}
bool StringInputStream::Next(const void** data, size_t* size) {
if (offset_ == str_.size()) {
return false;
}
*data = str_.data() + offset_;
*size = str_.size() - offset_;
offset_ = str_.size();
return true;
}
void StringInputStream::BackUp(size_t count) {
if (count > offset_) {
count = offset_;
}
offset_ -= count;
}
size_t StringInputStream::ByteCount() const {
return offset_;
}
} // namespace io
} // namespace aapt
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