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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
//===-- WindowsResource.h ---------------------------------------*- C++-*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===---------------------------------------------------------------------===//
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//
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// This file declares the .res file class. .res files are intermediate
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// products of the typical resource-compilation process on Windows. This
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// process is as follows:
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//
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// .rc file(s) ---(rc.exe)---> .res file(s) ---(cvtres.exe)---> COFF file
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//
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// .rc files are human-readable scripts that list all resources a program uses.
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//
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// They are compiled into .res files, which are a list of the resources in
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// binary form.
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//
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// Finally the data stored in the .res is compiled into a COFF file, where it
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// is organized in a directory tree structure for optimized access by the
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// program during runtime.
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//
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// Ref: msdn.microsoft.com/en-us/library/windows/desktop/ms648007(v=vs.85).aspx
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_INCLUDE_LLVM_OBJECT_RESFILE_H
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#define LLVM_INCLUDE_LLVM_OBJECT_RESFILE_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Object/Binary.h"
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#include "llvm/Support/BinaryByteStream.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace object {
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class WindowsResource;
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class ResourceEntryRef {
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public:
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Error moveNext(bool &End);
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private:
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friend class WindowsResource;
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ResourceEntryRef(BinaryStreamRef Ref, const WindowsResource *Owner,
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Error &Err);
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Error loadNext();
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BinaryStreamReader Reader;
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BinaryStreamRef HeaderBytes;
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BinaryStreamRef DataBytes;
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const WindowsResource *OwningRes = nullptr;
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};
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class WindowsResource : public Binary {
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public:
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~WindowsResource() override;
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Expected<ResourceEntryRef> getHeadEntry();
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static bool classof(const Binary *V) { return V->isWinRes(); }
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static Expected<std::unique_ptr<WindowsResource>>
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createWindowsResource(MemoryBufferRef Source);
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private:
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friend class ResourceEntryRef;
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WindowsResource(MemoryBufferRef Source);
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BinaryByteStream BBS;
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};
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} // namespace object
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} // namespace llvm
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#endif
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