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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2026 Fernando Sahmkow
/// @file d3_root.h
/// @brief Diablo III root manifest parser (hierarchical directory format).
///
/// Internal header — not part of the public include path.
#pragma once
#include "common/entry_index.h"
#include "root.h"
#include <span>
#include <vector>
namespace whiteout::interfaces {
class WorkerPool;
}
namespace whiteout::storages::casc {
class D3Root final : public RootManifest {
public:
/// Parse a D3 root file.
/// @param data Raw (BLTE-decoded) root directory bytes.
/// @param resolver Callback that resolves CKey → file data (for sub-directories).
/// May be nullptr if sub-directory resolution is not needed.
/// @return Parsed root, or nullptr on failure.
static std::unique_ptr<D3Root> parse(std::span<const u8> data, CKeyResolver resolver = nullptr,
interfaces::WorkerPool* pool = nullptr);
// --- RootManifest interface ---
std::vector<const RootEntry*> findByPath(const std::string& path) const override;
std::vector<const RootEntry*> findByNormalizedPath(
const std::string& normalizedPath) const override;
bool hasPath(const std::string& normalizedPath) const override;
std::vector<const RootEntry*> findByFileDataId(
u32 fileDataId, FileIdHint hint = FileIdHint::None) const override;
bool hasFileDataId(u32 fileDataId, FileIdHint hint = FileIdHint::None) const override;
RootFormat format() const override {
return RootFormat::Diablo3;
}
protected:
const std::vector<RootEntry>& entries() const override {
return m_entries;
}
std::vector<RootEntry>& mutableEntries() override {
return m_entries;
}
private:
/// All entries in flat storage.
std::vector<RootEntry> m_entries;
/// Path-based lookup (lowercase normalized).
EntryIndex<std::string> m_byPath;
/// FileDataId-based lookup (fileIndex = SNO ID).
EntryIndex<u32> m_byFileDataId;
void buildIndices(interfaces::WorkerPool* pool = nullptr);
};
} // namespace whiteout::storages::casc