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f3fcbe4a9d
This allows to process HTML resources defined in .rc scripts and output them to resulting .res files. Additionally, some infrastructure allowing to output these files is created. This is the first resource type we can operate on. Thanks to Nico Weber for his original work in this area. Differential Revision: reviews.llvm.org/D37283 llvm-svn: 314538
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
//===-- ResourceSerializator.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 defines a visitor serializing resources to a .res stream.
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//
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//===---------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVMRC_RESOURCESERIALIZATOR_H
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#define LLVM_TOOLS_LLVMRC_RESOURCESERIALIZATOR_H
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#include "ResourceScriptStmt.h"
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#include "ResourceVisitor.h"
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#include "llvm/Support/Endian.h"
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namespace llvm {
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namespace rc {
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class ResourceFileWriter : public Visitor {
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public:
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ResourceFileWriter(std::unique_ptr<raw_fd_ostream> Stream)
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: FS(std::move(Stream)) {
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assert(FS && "Output stream needs to be provided to the serializator");
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}
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Error visitNullResource(const RCResource *) override;
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Error visitHTMLResource(const RCResource *) override;
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Error visitLanguageStmt(const LanguageResource *) override;
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struct ObjectInfo {
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uint16_t LanguageInfo;
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ObjectInfo() : LanguageInfo(0) {}
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} ObjectData;
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private:
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Error handleError(Error &&Err, const RCResource *Res);
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Error
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writeResource(const RCResource *Res,
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Error (ResourceFileWriter::*BodyWriter)(const RCResource *));
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Error writeNullBody(const RCResource *);
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Error writeHTMLBody(const RCResource *);
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// Output stream handling.
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std::unique_ptr<raw_fd_ostream> FS;
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uint64_t tell() const { return FS->tell(); }
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uint64_t writeObject(const ArrayRef<uint8_t> Data);
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template <typename T> uint64_t writeInt(const T &Value) {
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support::detail::packed_endian_specific_integral<T, support::little,
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support::unaligned>
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Object(Value);
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return writeObject(Object);
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}
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template <typename T> uint64_t writeObject(const T &Value) {
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return writeObject(ArrayRef<uint8_t>(
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reinterpret_cast<const uint8_t *>(&Value), sizeof(T)));
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}
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template <typename T> void writeObjectAt(const T &Value, uint64_t Position) {
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FS->pwrite((const char *)&Value, sizeof(T), Position);
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}
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Error writeCString(StringRef Str, bool WriteTerminator = true);
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Error writeIdentifier(const IntOrString &Ident);
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Error writeIntOrString(const IntOrString &Data);
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Error appendFile(StringRef Filename);
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void padStream(uint64_t Length);
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};
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} // namespace rc
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} // namespace llvm
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#endif
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