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Diffstat (limited to 'cmds/idmap2/libidmap2/RawPrintVisitor.cpp')
-rw-r--r-- | cmds/idmap2/libidmap2/RawPrintVisitor.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/cmds/idmap2/libidmap2/RawPrintVisitor.cpp b/cmds/idmap2/libidmap2/RawPrintVisitor.cpp new file mode 100644 index 000000000000..57cfc8ef85b4 --- /dev/null +++ b/cmds/idmap2/libidmap2/RawPrintVisitor.cpp @@ -0,0 +1,131 @@ +/* + * 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 <cstdarg> +#include <string> +#include <utility> + +#include "android-base/macros.h" +#include "android-base/stringprintf.h" +#include "androidfw/ApkAssets.h" + +#include "idmap2/RawPrintVisitor.h" +#include "idmap2/ResourceUtils.h" + +using android::ApkAssets; + +namespace android { +namespace 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& te) { + const bool target_package_loaded = !target_am_.GetApkAssets().empty(); + + print(static_cast<uint16_t>(te.GetTargetTypeId()), "target type"); + print(static_cast<uint16_t>(te.GetOverlayTypeId()), "overlay type"); + print(static_cast<uint16_t>(te.GetEntryCount()), "entry count"); + print(static_cast<uint16_t>(te.GetEntryOffset()), "entry offset"); + + for (uint16_t i = 0; i < te.GetEntryCount(); i++) { + const EntryId entry = te.GetEntry(i); + if (entry == kNoEntry) { + print(kPadding, "no entry"); + } else { + const ResourceId target_resid = + RESID(last_seen_package_id_, te.GetTargetTypeId(), te.GetEntryOffset() + i); + const ResourceId overlay_resid = RESID(last_seen_package_id_, te.GetOverlayTypeId(), entry); + bool lookup_ok = false; + std::string name; + if (target_package_loaded) { + std::tie(lookup_ok, name) = utils::ResToTypeEntryName(target_am_, target_resid); + } + if (lookup_ok) { + 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); + } + } + } +} + +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); +} + +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); +} + +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 idmap2 +} // namespace android |