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/*
* Copyright (C) 2018 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 "idmap2/RawPrintVisitor.h"
#include <cstdarg>
#include <string>
#include "android-base/macros.h"
#include "android-base/stringprintf.h"
#include "androidfw/ApkAssets.h"
#include "idmap2/ResourceUtils.h"
#include "idmap2/Result.h"
using android::ApkAssets;
namespace android::idmap2 {
// verbatim copy fomr PrettyPrintVisitor.cpp, move to common utils
#define RESID(pkg, type, entry) (((pkg) << 24) | ((type) << 16) | (entry))
void RawPrintVisitor::visit(const Idmap& idmap ATTRIBUTE_UNUSED) {
}
void RawPrintVisitor::visit(const IdmapHeader& header) {
print(header.GetMagic(), "magic");
print(header.GetVersion(), "version");
print(header.GetTargetCrc(), "target crc");
print(header.GetOverlayCrc(), "overlay crc");
print(header.GetTargetPath().to_string(), "target path");
print(header.GetOverlayPath().to_string(), "overlay path");
target_apk_ = ApkAssets::Load(header.GetTargetPath().to_string());
if (target_apk_) {
target_am_.SetApkAssets({target_apk_.get()});
}
}
void RawPrintVisitor::visit(const IdmapData& data ATTRIBUTE_UNUSED) {
}
void RawPrintVisitor::visit(const IdmapData::Header& header) {
print(static_cast<uint16_t>(header.GetTargetPackageId()), "target package id");
print(header.GetTypeCount(), "type count");
last_seen_package_id_ = header.GetTargetPackageId();
}
void RawPrintVisitor::visit(const IdmapData::TypeEntry& type_entry) {
const bool target_package_loaded = !target_am_.GetApkAssets().empty();
print(static_cast<uint16_t>(type_entry.GetTargetTypeId()), "target type");
print(static_cast<uint16_t>(type_entry.GetOverlayTypeId()), "overlay type");
print(static_cast<uint16_t>(type_entry.GetEntryCount()), "entry count");
print(static_cast<uint16_t>(type_entry.GetEntryOffset()), "entry offset");
for (uint16_t i = 0; i < type_entry.GetEntryCount(); i++) {
const EntryId entry = type_entry.GetEntry(i);
if (entry == kNoEntry) {
print(kPadding, "no entry");
} else {
const ResourceId target_resid = RESID(last_seen_package_id_, type_entry.GetTargetTypeId(),
type_entry.GetEntryOffset() + i);
const ResourceId overlay_resid =
RESID(last_seen_package_id_, type_entry.GetOverlayTypeId(), entry);
Result<std::string> name(Error(""));
if (target_package_loaded) {
name = utils::ResToTypeEntryName(target_am_, target_resid);
}
if (name) {
print(static_cast<uint32_t>(entry), "0x%08x -> 0x%08x %s", target_resid, overlay_resid,
name->c_str());
} else {
print(static_cast<uint32_t>(entry), "0x%08x -> 0x%08x", target_resid, overlay_resid);
}
}
}
}
// NOLINTNEXTLINE(cert-dcl50-cpp)
void RawPrintVisitor::print(uint16_t value, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
std::string comment;
base::StringAppendV(&comment, fmt, ap);
va_end(ap);
stream_ << base::StringPrintf("%08zx: %04x", offset_, value) << " " << comment << std::endl;
offset_ += sizeof(uint16_t);
}
// NOLINTNEXTLINE(cert-dcl50-cpp)
void RawPrintVisitor::print(uint32_t value, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
std::string comment;
base::StringAppendV(&comment, fmt, ap);
va_end(ap);
stream_ << base::StringPrintf("%08zx: %08x", offset_, value) << " " << comment << std::endl;
offset_ += sizeof(uint32_t);
}
// NOLINTNEXTLINE(cert-dcl50-cpp)
void RawPrintVisitor::print(const std::string& value, const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
std::string comment;
base::StringAppendV(&comment, fmt, ap);
va_end(ap);
stream_ << base::StringPrintf("%08zx: ", offset_) << "........ " << comment << ": " << value
<< std::endl;
offset_ += kIdmapStringLength;
}
} // namespace android::idmap2
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