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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
Debian Package List Parser - This implements the abstract parser
interface for Debian package files
##################################################################### */
/*}}}*/
#ifndef PKGLIB_DEBLISTPARSER_H
#define PKGLIB_DEBLISTPARSER_H
#include <apt-pkg/macros.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/pkgcachegen.h>
#include <apt-pkg/tagfile.h>
#include <string>
#include <vector>
#include <apt-pkg/string_view.h>
class FileFd;
class APT_HIDDEN debListParser : public pkgCacheListParser
{
public:
// Parser Helper
struct WordList
{
APT::StringView Str;
unsigned char Val;
};
private:
std::vector<std::string> forceEssential;
std::vector<std::string> forceImportant;
std::string MD5Buffer;
std::string myArch;
protected:
pkgTagFile Tags;
pkgTagSection Section;
map_filesize_t iOffset;
virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
bool ParseDepends(pkgCache::VerIterator &Ver, pkgTagSection::Key Key,
unsigned int Type);
bool ParseProvides(pkgCache::VerIterator &Ver);
APT_HIDDEN static bool GrabWord(APT::StringView Word,const WordList *List,unsigned char &Out);
APT_HIDDEN unsigned char ParseMultiArch(bool const showErrors);
public:
APT_PUBLIC static unsigned char GetPrio(std::string Str);
// These all operate against the current section
virtual std::string Package() APT_OVERRIDE;
virtual bool ArchitectureAll() APT_OVERRIDE;
virtual APT::StringView Architecture() APT_OVERRIDE;
virtual APT::StringView Version() APT_OVERRIDE;
virtual bool NewVersion(pkgCache::VerIterator &Ver) APT_OVERRIDE;
virtual std::vector<std::string> AvailableDescriptionLanguages() APT_OVERRIDE;
virtual APT::StringView Description_md5() APT_OVERRIDE;
virtual uint32_t VersionHash() APT_OVERRIDE;
virtual bool SameVersion(uint32_t Hash, pkgCache::VerIterator const &Ver) APT_OVERRIDE;
virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver) APT_OVERRIDE;
virtual map_filesize_t Offset() APT_OVERRIDE {return iOffset;};
virtual map_filesize_t Size() APT_OVERRIDE {return Section.size();};
virtual bool Step() APT_OVERRIDE;
APT_PUBLIC static const char *ParseDepends(const char *Start, const char *Stop,
std::string &Package, std::string &Ver, unsigned int &Op,
bool const &ParseArchFlags = false, bool const &StripMultiArch = true,
bool const &ParseRestrictionsList = false,
std::string const &Arch = "");
APT_PUBLIC static const char *ParseDepends(const char *Start, const char *Stop,
APT::StringView &Package,
APT::StringView &Ver, unsigned int &Op,
bool const ParseArchFlags = false, bool StripMultiArch = true,
bool const ParseRestrictionsList = false,
std::string Arch = "");
APT_PUBLIC static const char *ConvertRelation(const char *I,unsigned int &Op);
explicit debListParser(FileFd *File);
virtual ~debListParser();
};
class APT_HIDDEN debDebFileParser : public debListParser
{
private:
std::string DebFile;
public:
debDebFileParser(FileFd *File, std::string const &DebFile);
virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
pkgCache::VerIterator &Ver) APT_OVERRIDE;
};
class APT_HIDDEN debTranslationsParser : public debListParser
{
public:
// a translation can never be a real package
virtual APT::StringView Architecture() APT_OVERRIDE { return ""; }
virtual APT::StringView Version() APT_OVERRIDE { return ""; }
explicit debTranslationsParser(FileFd *File)
: debListParser(File) {};
};
class APT_HIDDEN debStatusListParser : public debListParser
{
public:
virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver) APT_OVERRIDE;
explicit debStatusListParser(FileFd *File)
: debListParser(File) {};
};
#endif
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