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src: introduce type tribool

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This commit is contained in:
Markus F.X.J. Oberhumer
2023-08-15 14:44:50 +02:00
parent 10e759f1f1
commit a9ac4b5e23
51 changed files with 228 additions and 120 deletions
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src/packer.h
+12 -10
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@@ -57,12 +57,14 @@ public:
virtual const int *getCompressionMethods(int method, int level) const = 0;
virtual const int *getFilters() const = 0;
// canPack() should throw a cantPackException eplaining why it
// cannot pack a recognized format.
virtual bool canPack() = 0;
// canUnpack() can return -1 meaning "format recognized, but file
// is definitely not packed". See packmast.cpp try_unpack().
virtual int canUnpack() = 0;
// canPack() should throw a cantPackException eplaining why it cannot pack
// a recognized format.
// canPack() can return -1 to stop early; see class PackMaster
virtual tribool canPack() = 0;
// canUnpack() should throw a cantUnpackException eplaining why it cannot pack
// a recognized format.
// canUnpack() can return -1 to stop early; see class PackMaster
virtual tribool canUnpack() = 0;
// PackMaster entries
virtual void assertPacker() const = 0;
@@ -164,10 +166,10 @@ protected:
void verifyOverlappingDecompression(byte *o_ptr, unsigned o_size, Filter *ft = nullptr);
// packheader handling
virtual int patchPackHeader(void *b, int blen);
virtual bool getPackHeader(const void *b, int blen, bool allow_incompressible = false);
virtual bool readPackHeader(int len, bool allow_incompressible = false);
virtual void checkAlreadyPacked(const void *b, int blen);
virtual int patchPackHeader(void *b, int blen) final;
virtual bool getPackHeader(const void *b, int blen, bool allow_incompressible = false) final;
virtual bool readPackHeader(int len, bool allow_incompressible = false) final;
virtual void checkAlreadyPacked(const void *b, int blen) final;
// loader core
virtual void buildLoader(const Filter *ft) = 0;