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//===- InstallAPI/DirectoryScanner.h ----------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// The DirectoryScanner for collecting library files on the file system.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_INSTALLAPI_DIRECTORYSCANNER_H
#define LLVM_CLANG_INSTALLAPI_DIRECTORYSCANNER_H
#include "clang/Basic/FileManager.h"
#include "clang/InstallAPI/Library.h"
namespace clang::installapi {
enum ScanMode {
/// Scanning Framework directory.
ScanFrameworks,
/// Scanning Dylib directory.
ScanDylibs,
};
class DirectoryScanner {
public:
DirectoryScanner(FileManager &FM, ScanMode Mode = ScanMode::ScanFrameworks)
: FM(FM), Mode(Mode) {}
/// Scan for all input files throughout directory.
///
/// \param Directory Path of input directory.
llvm::Error scan(StringRef Directory);
/// Take over ownership of stored libraries.
std::vector<Library> takeLibraries() { return std::move(Libraries); };
/// Get all the header files in libraries.
///
/// \param Libraries Reference of collection of libraries.
static HeaderSeq getHeaders(ArrayRef<Library> Libraries);
private:
/// Collect files for dylibs in usr/(local)/lib within directory.
llvm::Error scanForUnwrappedLibraries(StringRef Directory);
/// Collect files for any frameworks within directory.
llvm::Error scanForFrameworks(StringRef Directory);
/// Get a library from the libraries collection.
Library &getOrCreateLibrary(StringRef Path, std::vector<Library> &Libs) const;
/// Collect multiple frameworks from directory.
llvm::Error scanMultipleFrameworks(StringRef Directory,
std::vector<Library> &Libs) const;
/// Collect files from nested frameworks.
llvm::Error scanSubFrameworksDirectory(StringRef Directory,
std::vector<Library> &Libs) const;
/// Collect files from framework path.
llvm::Error scanFrameworkDirectory(StringRef Path, Library &Framework) const;
/// Collect header files from path.
llvm::Error scanHeaders(StringRef Path, Library &Lib, HeaderType Type,
StringRef BasePath,
StringRef ParentPath = StringRef()) const;
/// Collect files from Version directories inside Framework directories.
llvm::Error scanFrameworkVersionsDirectory(StringRef Path,
Library &Lib) const;
FileManager &FM;
ScanMode Mode;
StringRef RootPath;
std::vector<Library> Libraries;
};
} // namespace clang::installapi
#endif // LLVM_CLANG_INSTALLAPI_DIRECTORYSCANNER_H
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