X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/b1471fb3f60fdb9f91a45723ca70649204df7bdb..3278fe66567d149ea92c1afa78941f2bc3c71c85:/apt-pkg/tagfile.h?ds=sidebyside diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h index f63a51d07..4718f5101 100644 --- a/apt-pkg/tagfile.h +++ b/apt-pkg/tagfile.h @@ -20,19 +20,25 @@ #ifndef PKGLIB_TAGFILE_H #define PKGLIB_TAGFILE_H +#include + +#include +#ifndef APT_8_CLEANER_HEADERS #include -#include - +#endif + +class FileFd; + class pkgTagSection { const char *Section; - // We have a limit of 256 tags per section. unsigned int Indexes[256]; unsigned int AlphaIndexes[0x100]; - unsigned int TagCount; + // dpointer placeholder (for later in case we need it) + void *d; /* This very simple hash function for the last 8 letters gives very good performance on the debian package files */ @@ -44,7 +50,6 @@ class pkgTagSection return Res & 0xFF; } - protected: const char *Stop; @@ -54,18 +59,21 @@ class pkgTagSection inline bool operator !=(const pkgTagSection &rhs) {return Section != rhs.Section;}; bool Find(const char *Tag,const char *&Start, const char *&End) const; - bool Find(const char *Tag,unsigned &Pos) const; - string FindS(const char *Tag) const; + bool Find(const char *Tag,unsigned int &Pos) const; + std::string FindS(const char *Tag) const; signed int FindI(const char *Tag,signed long Default = 0) const ; + unsigned long long FindULL(const char *Tag, unsigned long long const &Default = 0) const; bool FindFlag(const char *Tag,unsigned long &Flags, unsigned long Flag) const; + bool static const FindFlag(unsigned long &Flags, unsigned long Flag, + const char* Start, const char* Stop); bool Scan(const char *Start,unsigned long MaxLength); inline unsigned long size() const {return Stop - Section;}; void Trim(); virtual void TrimRecord(bool BeforeRecord, const char* &End); inline unsigned int Count() const {return TagCount;}; - inline bool Exists(const char* const Tag) {return AlphaIndexes[AlphaHash(Tag)] != 0;} + bool Exists(const char* const Tag); inline void Get(const char *&Start,const char *&Stop,unsigned int I) const {Start = Section + Indexes[I]; Stop = Section + Indexes[I+1];} @@ -76,18 +84,14 @@ class pkgTagSection Stop = this->Stop; }; - pkgTagSection() : Section(0), Stop(0) {}; + pkgTagSection() : Section(0), TagCount(0), Stop(0) {}; + virtual ~pkgTagSection() {}; }; +class pkgTagFilePrivate; class pkgTagFile { - FileFd &Fd; - char *Buffer; - char *Start; - char *End; - bool Done; - unsigned long iOffset; - unsigned long Size; + pkgTagFilePrivate *d; bool Fill(); bool Resize(); @@ -95,11 +99,11 @@ class pkgTagFile public: bool Step(pkgTagSection &Section); - inline unsigned long Offset() {return iOffset;}; - bool Jump(pkgTagSection &Tag,unsigned long Offset); + unsigned long Offset(); + bool Jump(pkgTagSection &Tag,unsigned long long Offset); - pkgTagFile(FileFd *F,unsigned long Size = 32*1024); - ~pkgTagFile(); + pkgTagFile(FileFd *F,unsigned long long Size = 32*1024); + virtual ~pkgTagFile(); }; /* This is the list of things to rewrite. The rewriter