diff options
Diffstat (limited to 'src/WorldStorage/FastNBT.cpp')
| -rw-r--r-- | src/WorldStorage/FastNBT.cpp | 95 |
1 files changed, 53 insertions, 42 deletions
diff --git a/src/WorldStorage/FastNBT.cpp b/src/WorldStorage/FastNBT.cpp index df93e21e4..e0d70695d 100644 --- a/src/WorldStorage/FastNBT.cpp +++ b/src/WorldStorage/FastNBT.cpp @@ -13,14 +13,28 @@ // The number of NBT tags that are reserved when an NBT parsing is started. // You can override this by using a cmdline define #ifndef NBT_RESERVE_SIZE - #define NBT_RESERVE_SIZE 200 +#define NBT_RESERVE_SIZE 200 #endif // NBT_RESERVE_SIZE #ifdef _MSC_VER - // Dodge a C4127 (conditional expression is constant) for this specific macro usage - #define PROPAGATE_ERROR(X) do { auto Err = (X); if (Err != eNBTParseError::npSuccess) return Err; } while ((false, false)) +// Dodge a C4127 (conditional expression is constant) for this specific macro usage +#define PROPAGATE_ERROR(X) \ + do \ + { \ + auto Err = (X); \ + if (Err != eNBTParseError::npSuccess) \ + return Err; \ + } \ + while ((false, false)) #else - #define PROPAGATE_ERROR(X) do { auto Err = (X); if (Err != eNBTParseError::npSuccess) return Err; } while (false) +#define PROPAGATE_ERROR(X) \ + do \ + { \ + auto Err = (X); \ + if (Err != eNBTParseError::npSuccess) \ + return Err; \ + } \ + while (false) #endif @@ -31,16 +45,13 @@ namespace { -class cNBTParseErrorCategory final : - public std::error_category +class cNBTParseErrorCategory final : public std::error_category { cNBTParseErrorCategory() = default; -public: + + public: /** Category name */ - virtual const char * name() const noexcept override - { - return "NBT parse error"; - } + virtual const char * name() const noexcept override { return "NBT parse error"; } /** Maps a parse error code to an error message */ virtual AString message(int a_Condition) const override; @@ -117,7 +128,7 @@ AString cNBTParseErrorCategory::message(int a_Condition) const UNREACHABLE("Unsupported nbt parse error"); } -} // namespace (anonymous) +} // namespace @@ -125,7 +136,7 @@ AString cNBTParseErrorCategory::message(int a_Condition) const std::error_code make_error_code(eNBTParseError a_Err) noexcept { - return { static_cast<int>(a_Err), cNBTParseErrorCategory::Get() }; + return {static_cast<int>(a_Err), cNBTParseErrorCategory::Get()}; } @@ -135,21 +146,22 @@ std::error_code make_error_code(eNBTParseError a_Err) noexcept //////////////////////////////////////////////////////////////////////////////// // cParsedNBT: -#define NEEDBYTES(N, ERR) \ - do { \ +#define NEEDBYTES(N, ERR) \ + do \ + { \ if (m_Data.size() - m_Pos < static_cast<size_t>(N)) \ - { \ - return ERR; \ - } \ - } while (false) + { \ + return ERR; \ + } \ + } \ + while (false) cParsedNBT::cParsedNBT(const ContiguousByteBufferView a_Data) : - m_Data(a_Data), - m_Pos(0) + m_Data(a_Data), m_Pos(0) { m_Error = Parse(); } @@ -281,14 +293,14 @@ eNBTParseError cParsedNBT::ReadList(eTagType a_ChildrenType) -#define CASE_SIMPLE_TAG(TAGTYPE, LEN) \ - case TAG_##TAGTYPE: \ - { \ +#define CASE_SIMPLE_TAG(TAGTYPE, LEN) \ + case TAG_##TAGTYPE: \ + { \ NEEDBYTES(LEN, eNBTParseError::npSimpleMissing); \ - Tag.m_DataStart = m_Pos; \ - Tag.m_DataLength = LEN; \ - m_Pos += LEN; \ - return eNBTParseError::npSuccess; \ + Tag.m_DataStart = m_Pos; \ + Tag.m_DataLength = LEN; \ + m_Pos += LEN; \ + return eNBTParseError::npSuccess; \ } eNBTParseError cParsedNBT::ReadTag(void) @@ -296,11 +308,11 @@ eNBTParseError cParsedNBT::ReadTag(void) cFastNBTTag & Tag = m_Tags.back(); switch (Tag.m_Type) { - CASE_SIMPLE_TAG(Byte, 1) - CASE_SIMPLE_TAG(Short, 2) - CASE_SIMPLE_TAG(Int, 4) - CASE_SIMPLE_TAG(Long, 8) - CASE_SIMPLE_TAG(Float, 4) + CASE_SIMPLE_TAG(Byte, 1) + CASE_SIMPLE_TAG(Short, 2) + CASE_SIMPLE_TAG(Int, 4) + CASE_SIMPLE_TAG(Long, 8) + CASE_SIMPLE_TAG(Float, 4) CASE_SIMPLE_TAG(Double, 8) case TAG_String: @@ -387,12 +399,11 @@ int cParsedNBT::FindChildByName(int a_Tag, const char * a_Name, size_t a_NameLen { a_NameLength = strlen(a_Name); } - for (int Child = m_Tags[static_cast<size_t>(a_Tag)].m_FirstChild; Child != -1; Child = m_Tags[static_cast<size_t>(Child)].m_NextSibling) + for (int Child = m_Tags[static_cast<size_t>(a_Tag)].m_FirstChild; Child != -1; + Child = m_Tags[static_cast<size_t>(Child)].m_NextSibling) { - if ( - (m_Tags[static_cast<size_t>(Child)].m_NameLength == a_NameLength) && - (memcmp(m_Data.data() + m_Tags[static_cast<size_t>(Child)].m_NameStart, a_Name, a_NameLength) == 0) - ) + if ((m_Tags[static_cast<size_t>(Child)].m_NameLength == a_NameLength) && + (memcmp(m_Data.data() + m_Tags[static_cast<size_t>(Child)].m_NameStart, a_Name, a_NameLength) == 0)) { return Child; } @@ -523,9 +534,9 @@ void cFastNBTWriter::BeginList(const AString & a_Name, eTagType a_ChildrenType) m_Result.append(4, std::byte(0)); ++m_CurrentStack; - m_Stack[m_CurrentStack].m_Type = TAG_List; - m_Stack[m_CurrentStack].m_Pos = static_cast<int>(m_Result.size()) - 4; - m_Stack[m_CurrentStack].m_Count = 0; + m_Stack[m_CurrentStack].m_Type = TAG_List; + m_Stack[m_CurrentStack].m_Pos = static_cast<int>(m_Result.size()) - 4; + m_Stack[m_CurrentStack].m_Count = 0; m_Stack[m_CurrentStack].m_ItemType = a_ChildrenType; } @@ -618,7 +629,7 @@ void cFastNBTWriter::AddString(const AString & a_Name, const std::string_view a_ TagCommon(a_Name, TAG_String); const UInt16 Length = htons(static_cast<UInt16>(a_Value.size())); m_Result.append(reinterpret_cast<const std::byte *>(&Length), sizeof(Length)); - m_Result.append({ reinterpret_cast<const std::byte *>(a_Value.data()), a_Value.size() }); + m_Result.append({reinterpret_cast<const std::byte *>(a_Value.data()), a_Value.size()}); } |