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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: deblistparser.h,v 1.9 2001/02/20 07:03:17 jgg Exp $
/* ######################################################################
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/pkgcachegen.h>
#include <apt-pkg/tagfile.h>
class debListParser : public pkgCacheGenerator::ListParser
{
public:
// Parser Helper
struct WordList
{
const char *Str;
unsigned char Val;
};
private:
pkgTagFile Tags;
pkgTagSection Section;
unsigned long iOffset;
string Arch;
unsigned long UniqFindTagWrite(const char *Tag);
bool ParseStatus(pkgCache::PkgIterator Pkg,pkgCache::VerIterator Ver);
bool ParseDepends(pkgCache::VerIterator Ver,const char *Tag,
unsigned int Type);
bool ParseProvides(pkgCache::VerIterator Ver);
static bool GrabWord(string Word,WordList *List,unsigned char &Out);
public:
static unsigned char GetPrio(string Str);
// These all operate against the current section
virtual string Package();
virtual string Version();
virtual bool NewVersion(pkgCache::VerIterator Ver);
virtual unsigned short VersionHash();
virtual bool UsePackage(pkgCache::PkgIterator Pkg,
pkgCache::VerIterator Ver);
virtual unsigned long Offset() {return iOffset;};
virtual unsigned long Size() {return Section.size();};
virtual bool Step();
bool LoadReleaseInfo(pkgCache::PkgFileIterator FileI,FileFd &File);
static const char *ParseDepends(const char *Start,const char *Stop,
string &Package,string &Ver,unsigned int &Op,
bool ParseArchFlags = false);
static const char *ConvertRelation(const char *I,unsigned int &Op);
debListParser(FileFd *File);
};
#endif
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