/* Copyright 2017 - 2025 R. Thomas

* Copyright 2017 - 2025 Quarkslab

*

* 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 <sstream>

#include "LIEF/PE/debug/CodeViewPDB.hpp"

#include "LIEF/Visitor.hpp"

#include "LIEF/BinaryStream/SpanStream.hpp"

#include "LIEF/endianness_support.hpp"

#include "internal_utils.hpp"

#include "spdlog/fmt/fmt.h"

#include "spdlog/fmt/ranges.h"

#include "PE/Structures.hpp"

namespace LIEF {

namespace PE {

CodeViewPDB::CodeViewPDB(const details::pe_debug& debug_info,

const details::pe_pdb_70& pdb_70, Section* sec) :

CodeView{debug_info, SIGNATURES::PDB_70, sec},

age_{pdb_70.age}

{

std::move(std::begin(pdb_70.signature), std::end(pdb_70.signature),

std::begin(signature_));

}

CodeViewPDB::CodeViewPDB(const details::pe_debug& debug_info,

const details::pe_pdb_20& pdb_20, Section* sec) :

CodeView{debug_info, SIGNATURES::PDB_20, sec},

age_{pdb_20.age}

{

}

void CodeViewPDB::accept(Visitor& visitor) const {

visitor.visit(*this);

}

std::string CodeViewPDB::guid() const {

auto stream = SpanStream::from_array(signature_);

if (!stream) {

return "";

}

const auto chunk1 = stream->read<uint32_t>().value_or(0);

const auto chunk2 = stream->read<uint16_t>().value_or(0);

const auto chunk3 = stream->read<uint16_t>().value_or(0);

ToggleEndianness endian(*stream);

const auto chunk4 = endian->read<uint16_t>().value_or(0);

const auto chunk5 = endian->read<uint16_t>().value_or(0);

const auto chunk6 = endian->read<uint32_t>().value_or(0);

return fmt::format("{:08x}-{:04x}-{:04x}-{:04x}-{:04x}{:08x}",

chunk1, chunk2, chunk3, chunk4, chunk5, chunk6

);

}

std::string CodeViewPDB::to_string() const {

using namespace fmt;

std::ostringstream os;

os << CodeView::to_string() << '\n'

<< format(" age: {}\n", age())

<< format(" signature: {}\n", to_hex(signature(), 19))

<< format(" GUID: {}\n", guid())

<< format(" filename: {}", filename());

return os.str();

}

}

}