apt-pkg/deb/deblistparser.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: deblistparser.h,v 1.1 1998/07/04 05:58:08 jgg Exp $
   4 /* ######################################################################
   5
   6    Debian Package List Parser - This implements the abstract parser
   7    interface for Debian package files
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Header section: pkglib
  12 #ifndef PKGLIB_DEBLISTPARSER_H
  13 #define PKGLIB_DEBLISTPARSER_H
  14
  15 #include <pkglib/pkgcachegen.h>
  16 #include <pkglib/tagfile.h>
  17
  18 class debListParser : public pkgCacheGenerator::ListParser
  19 {
  20    pkgTagFile Tags;
  21    pkgTagSection Section;
  22
  23    // Parser Helper
  24    struct WordList
  25    {
  26       char *Str;
  27       unsigned char Val;
  28    };
  29
  30    string FindTag(const char *Tag);
  31    unsigned long UniqFindTagWrite(const char *Tag);
  32    bool HandleFlag(const char *Tag,unsigned long &Flags,unsigned long Flag);
  33    bool ParseStatus(pkgCache::PkgIterator Pkg,pkgCache::VerIterator Ver);
  34    bool GrabWord(string Word,WordList *List,int Count,unsigned char &Out);
  35
  36    public:
  37
  38    // These all operate against the current section
  39    virtual string Package();
  40    virtual string Version();
  41    virtual bool NewVersion(pkgCache::VerIterator Ver);
  42    virtual bool NewPackage(pkgCache::PkgIterator Pkg);
  43    virtual bool UsePackage(pkgCache::PkgIterator Pkg,
  44                            pkgCache::VerIterator Ver);
  45
  46    virtual bool Step();
  47
  48    debListParser(File &File);
  49 };
  50
  51 #endif