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LibCompress: Move CanonicalCode's initializers inside CanonicalCode

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These routines:
 - read_prefix_code
 - read_simple_prefix_code
 - read_complex_prefix_code

 were methods of `BrotliDecompressionStream` taking a `CanonicalCode` as
 an out parameter. This patch puts them in `CanonicalCode` as static
 methods.
This commit is contained in:
Lucas CHOLLET 2023-07-06 13:35:13 -04:00 • committed by Andrew Kaster
parent d2dd4142d1
commit 9248fd7f33
2 changed files with 38 additions and 46 deletions
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13
Userland/Libraries/LibCompress/Brotli.h
View file

@ -27,10 +27,13 @@ public:
};
class CanonicalCode {
friend class BrotliDecompressionStream;
public:
CanonicalCode() = default;
static ErrorOr<CanonicalCode> read_prefix_code(LittleEndianInputBitStream&, size_t alphabet_size);
static ErrorOr<CanonicalCode> read_simple_prefix_code(LittleEndianInputBitStream&, size_t alphabet_size);
static ErrorOr<CanonicalCode> read_complex_prefix_code(LittleEndianInputBitStream&, size_t alphabet_size, size_t hskip);
ErrorOr<size_t> read_symbol(LittleEndianInputBitStream&) const;
void clear()
{
@ -39,6 +42,8 @@ public:
}
private:
static ErrorOr<size_t> read_complex_prefix_code_length(LittleEndianInputBitStream&);
Vector<size_t> m_symbol_codes;
Vector<size_t> m_symbol_values;
};
@ -114,11 +119,7 @@ private:
ErrorOr<size_t> read_window_length();
ErrorOr<size_t> read_size_number_of_nibbles();
ErrorOr<size_t> read_variable_length();
ErrorOr<size_t> read_complex_prefix_code_length();
ErrorOr<void> read_prefix_code(CanonicalCode&, size_t alphabet_size);
ErrorOr<void> read_simple_prefix_code(CanonicalCode&, size_t alphabet_size);
ErrorOr<void> read_complex_prefix_code(CanonicalCode&, size_t alphabet_size, size_t hskip);
ErrorOr<void> read_context_map(size_t number_of_codes, Vector<u8>& context_map, size_t context_map_size);
ErrorOr<void> read_block_configuration(Block&);