11 #include "llvm/Support/Endian.h" 18 return llvm::createStringError(llvm::inconvertibleErrorCode(), Msg);
21 llvm::Expected<Chunk>
readChunk(llvm::StringRef &Stream) {
22 if (Stream.size() < 8)
23 return makeError(
"incomplete chunk header");
25 std::copy(Stream.begin(), Stream.begin() + 4, C.
ID.begin());
26 Stream = Stream.drop_front(4);
27 uint32_t Len = llvm::support::endian::read32le(Stream.take_front(4).begin());
28 Stream = Stream.drop_front(4);
29 if (Stream.size() < Len)
31 C.
Data = Stream.take_front(Len);
32 Stream = Stream.drop_front(Len);
33 if (Len % 2 & !Stream.empty()) {
36 Stream = Stream.drop_front();
42 OS.write(C.
ID.data(), C.
ID.size());
44 llvm::support::endian::write32le(Size, C.
Data.size());
45 OS.write(Size,
sizeof(Size));
47 if (C.
Data.size() % 2)
52 llvm::Expected<File>
readFile(llvm::StringRef Stream) {
55 return RIFF.takeError();
58 if (
RIFF->Data.size() < 4)
61 std::copy(
RIFF->Data.begin(),
RIFF->Data.begin() + 4, F.
Type.begin());
62 for (llvm::StringRef Body =
RIFF->Data.drop_front(4); !Body.empty();)
66 return Chunk.takeError();
73 for (
const auto &C : F.
Chunks)
74 DataLen += 4 + 4 + C.Data.size() + (C.Data.size() % 2);
77 llvm::support::endian::write32le(Size, DataLen);
78 OS.write(Size,
sizeof(Size));
79 OS.write(F.
Type.data(), F.
Type.size());
80 for (
const auto &C : F.
Chunks)
static llvm::Error makeError(const char *Msg)
constexpr FourCC fourCC(const char(&Literal)[5])
llvm::Expected< File > readFile(llvm::StringRef Stream)
std::vector< Chunk > Chunks
llvm::Expected< Chunk > readChunk(llvm::StringRef &Stream)
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
llvm::raw_ostream & operator<<(llvm::raw_ostream &OS, const Chunk &C)