133 lines
4.3 KiB
C++
133 lines
4.3 KiB
C++
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "idmap2/RawPrintVisitor.h"
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#include <cstdarg>
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#include <string>
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#include "android-base/macros.h"
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#include "android-base/stringprintf.h"
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#include "androidfw/ApkAssets.h"
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#include "idmap2/ResourceUtils.h"
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#include "idmap2/Result.h"
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using android::ApkAssets;
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namespace android::idmap2 {
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// verbatim copy fomr PrettyPrintVisitor.cpp, move to common utils
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#define RESID(pkg, type, entry) (((pkg) << 24) | ((type) << 16) | (entry))
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void RawPrintVisitor::visit(const Idmap& idmap ATTRIBUTE_UNUSED) {
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}
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void RawPrintVisitor::visit(const IdmapHeader& header) {
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print(header.GetMagic(), "magic");
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print(header.GetVersion(), "version");
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print(header.GetTargetCrc(), "target crc");
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print(header.GetOverlayCrc(), "overlay crc");
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print(header.GetTargetPath().to_string(), "target path");
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print(header.GetOverlayPath().to_string(), "overlay path");
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target_apk_ = ApkAssets::Load(header.GetTargetPath().to_string());
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if (target_apk_) {
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target_am_.SetApkAssets({target_apk_.get()});
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}
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}
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void RawPrintVisitor::visit(const IdmapData& data ATTRIBUTE_UNUSED) {
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}
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void RawPrintVisitor::visit(const IdmapData::Header& header) {
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print(static_cast<uint16_t>(header.GetTargetPackageId()), "target package id");
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print(header.GetTypeCount(), "type count");
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last_seen_package_id_ = header.GetTargetPackageId();
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}
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void RawPrintVisitor::visit(const IdmapData::TypeEntry& type_entry) {
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const bool target_package_loaded = !target_am_.GetApkAssets().empty();
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print(static_cast<uint16_t>(type_entry.GetTargetTypeId()), "target type");
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print(static_cast<uint16_t>(type_entry.GetOverlayTypeId()), "overlay type");
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print(static_cast<uint16_t>(type_entry.GetEntryCount()), "entry count");
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print(static_cast<uint16_t>(type_entry.GetEntryOffset()), "entry offset");
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for (uint16_t i = 0; i < type_entry.GetEntryCount(); i++) {
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const EntryId entry = type_entry.GetEntry(i);
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if (entry == kNoEntry) {
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print(kPadding, "no entry");
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} else {
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const ResourceId target_resid = RESID(last_seen_package_id_, type_entry.GetTargetTypeId(),
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type_entry.GetEntryOffset() + i);
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const ResourceId overlay_resid =
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RESID(last_seen_package_id_, type_entry.GetOverlayTypeId(), entry);
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Result<std::string> name(Error(""));
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if (target_package_loaded) {
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name = utils::ResToTypeEntryName(target_am_, target_resid);
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}
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if (name) {
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print(static_cast<uint32_t>(entry), "0x%08x -> 0x%08x %s", target_resid, overlay_resid,
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name->c_str());
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} else {
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print(static_cast<uint32_t>(entry), "0x%08x -> 0x%08x", target_resid, overlay_resid);
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}
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}
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}
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}
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// NOLINTNEXTLINE(cert-dcl50-cpp)
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void RawPrintVisitor::print(uint16_t value, const char* fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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std::string comment;
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base::StringAppendV(&comment, fmt, ap);
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va_end(ap);
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stream_ << base::StringPrintf("%08zx: %04x", offset_, value) << " " << comment << std::endl;
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offset_ += sizeof(uint16_t);
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}
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// NOLINTNEXTLINE(cert-dcl50-cpp)
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void RawPrintVisitor::print(uint32_t value, const char* fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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std::string comment;
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base::StringAppendV(&comment, fmt, ap);
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va_end(ap);
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stream_ << base::StringPrintf("%08zx: %08x", offset_, value) << " " << comment << std::endl;
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offset_ += sizeof(uint32_t);
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}
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// NOLINTNEXTLINE(cert-dcl50-cpp)
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void RawPrintVisitor::print(const std::string& value, const char* fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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std::string comment;
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base::StringAppendV(&comment, fmt, ap);
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va_end(ap);
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stream_ << base::StringPrintf("%08zx: ", offset_) << "........ " << comment << ": " << value
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<< std::endl;
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offset_ += kIdmapStringLength;
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}
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} // namespace android::idmap2
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