1 files changed, 134 insertions, 0 deletions
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
new file mode 100644
index 0000000..e6767d7
--- /dev/null
+++ b/apt-pkg/deb/deblistparser.h
@@ -0,0 +1,134 @@
+// -*- 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>
+#ifdef APT_COMPILING_APT
+#include <apt-pkg/tagfile-keys.h>
+#endif
+
+#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();
+
+#ifdef APT_COMPILING_APT
+   APT::StringView SHA256() const
+   {
+      return Section.Find(pkgTagSection::Key::SHA256);
+   }
+#endif
+};
+
+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