diff options
Diffstat (limited to 'tools/aapt2/unflatten/ResChunkPullParser.cpp')
-rw-r--r-- | tools/aapt2/unflatten/ResChunkPullParser.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/tools/aapt2/unflatten/ResChunkPullParser.cpp b/tools/aapt2/unflatten/ResChunkPullParser.cpp deleted file mode 100644 index 8d92bd94b0ae..000000000000 --- a/tools/aapt2/unflatten/ResChunkPullParser.cpp +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2015 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 "unflatten/ResChunkPullParser.h" - -#include <inttypes.h> -#include <cstddef> - -#include "android-base/logging.h" -#include "android-base/stringprintf.h" -#include "androidfw/ResourceTypes.h" - -#include "util/Util.h" - -namespace aapt { - -using android::ResChunk_header; -using android::base::StringPrintf; - -static std::string ChunkHeaderDump(const ResChunk_header* header) { - return StringPrintf("(type=%02" PRIx16 " header_size=%" PRIu16 " size=%" PRIu32 ")", - util::DeviceToHost16(header->type), util::DeviceToHost16(header->headerSize), - util::DeviceToHost32(header->size)); -} - -ResChunkPullParser::Event ResChunkPullParser::Next() { - if (!IsGoodEvent(event_)) { - return event_; - } - - if (event_ == Event::kStartDocument) { - current_chunk_ = data_; - } else { - current_chunk_ = - (const ResChunk_header*)(((const char*)current_chunk_) + - util::DeviceToHost32(current_chunk_->size)); - } - - const std::ptrdiff_t diff = (const char*)current_chunk_ - (const char*)data_; - CHECK(diff >= 0) << "diff is negative"; - const size_t offset = static_cast<const size_t>(diff); - - if (offset == len_) { - current_chunk_ = nullptr; - return (event_ = Event::kEndDocument); - } else if (offset + sizeof(ResChunk_header) > len_) { - error_ = "chunk is past the end of the document"; - current_chunk_ = nullptr; - return (event_ = Event::kBadDocument); - } - - if (util::DeviceToHost16(current_chunk_->headerSize) < sizeof(ResChunk_header)) { - error_ = "chunk has too small header"; - current_chunk_ = nullptr; - return (event_ = Event::kBadDocument); - } else if (util::DeviceToHost32(current_chunk_->size) < - util::DeviceToHost16(current_chunk_->headerSize)) { - error_ = "chunk's total size is smaller than header " + ChunkHeaderDump(current_chunk_); - current_chunk_ = nullptr; - return (event_ = Event::kBadDocument); - } else if (offset + util::DeviceToHost32(current_chunk_->size) > len_) { - error_ = "chunk's data extends past the end of the document " + ChunkHeaderDump(current_chunk_); - current_chunk_ = nullptr; - return (event_ = Event::kBadDocument); - } - return (event_ = Event::kChunk); -} - -} // namespace aapt |