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Commit	Line	Data
	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	// $Id: deblistparser.h,v 1.9 2001/02/20 07:03:17 jgg Exp $
	4	/* ######################################################################
	5
	6	Debian Package List Parser - This implements the abstract parser
	7	interface for Debian package files
	8
	9	##################################################################### */
	10	/}}}/
	11	#ifndef PKGLIB_DEBLISTPARSER_H
	12	#define PKGLIB_DEBLISTPARSER_H
	13
	14	#include <apt-pkg/pkgcachegen.h>
	15	#include <apt-pkg/tagfile.h>
	16	#include <apt-pkg/md5.h>
	17	#include <apt-pkg/pkgcache.h>
	18	#include <apt-pkg/macros.h>
	19
	20	#include <string>
	21	#include <vector>
	22	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	23	#include <apt-pkg/string_view.h>
	24	#endif
	25
	26	#ifndef APT_8_CLEANER_HEADERS
	27	#include <apt-pkg/indexfile.h>
	28	#endif
	29
	30	class FileFd;
	31
	32	class APT_HIDDEN debListParser : public pkgCacheListParser
	33	{
	34	public:
	35
	36	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	37	// Parser Helper
	38	struct WordList
	39	{
	40	APT::StringView Str;
	41	unsigned char Val;
	42	};
	43	#endif
	44
	45	private:
	46	/** \brief dpointer placeholder (for later in case we need it) */
	47	void * const d;
	48
	49	protected:
	50	pkgTagFile Tags;
	51	pkgTagSection Section;
	52	map_filesize_t iOffset;
	53
	54	virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
	55	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	56	bool ParseDepends(pkgCache::VerIterator &Ver, APT::StringView Tag,
	57	unsigned int Type);
	58	#endif
	59	bool ParseProvides(pkgCache::VerIterator &Ver);
	60
	61	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	62	APT_HIDDEN static bool GrabWord(APT::StringView Word,const WordList *List,unsigned char &Out);
	63	#endif
	64	APT_HIDDEN unsigned char ParseMultiArch(bool const showErrors);
	65
	66	public:
	67
	68	APT_PUBLIC static unsigned char GetPrio(std::string Str);
	69
	70	// These all operate against the current section
	71	virtual std::string Package() APT_OVERRIDE;
	72	virtual bool ArchitectureAll() APT_OVERRIDE;
	73	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	74	virtual APT::StringView Architecture() APT_OVERRIDE;
	75	virtual APT::StringView Version() APT_OVERRIDE;
	76	#endif
	77	virtual bool NewVersion(pkgCache::VerIterator &Ver) APT_OVERRIDE;
	78	virtual std::vector<std::string> AvailableDescriptionLanguages() APT_OVERRIDE;
	79	virtual MD5SumValue Description_md5() APT_OVERRIDE;
	80	virtual unsigned short VersionHash() APT_OVERRIDE;
	81	virtual bool SameVersion(unsigned short const Hash, pkgCache::VerIterator const &Ver) APT_OVERRIDE;
	82	virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
	83	pkgCache::VerIterator &Ver) APT_OVERRIDE;
	84	virtual map_filesize_t Offset() APT_OVERRIDE {return iOffset;};
	85	virtual map_filesize_t Size() APT_OVERRIDE {return Section.size();};
	86
	87	virtual bool Step() APT_OVERRIDE;
	88
	89	bool LoadReleaseInfo(pkgCache::RlsFileIterator &FileI,FileFd &File,
	90	std::string const &section);
	91
	92	APT_PUBLIC static const char ParseDepends(const char Start,const char *Stop,
	93	std::string &Package,std::string &Ver,unsigned int &Op);
	94	APT_PUBLIC static const char ParseDepends(const char Start,const char *Stop,
	95	std::string &Package,std::string &Ver,unsigned int &Op,
	96	bool const &ParseArchFlags);
	97	APT_PUBLIC static const char ParseDepends(const char Start,const char *Stop,
	98	std::string &Package,std::string &Ver,unsigned int &Op,
	99	bool const &ParseArchFlags, bool const &StripMultiArch);
	100	APT_PUBLIC static const char ParseDepends(const char Start,const char *Stop,
	101	std::string &Package,std::string &Ver,unsigned int &Op,
	102	bool const &ParseArchFlags, bool const &StripMultiArch,
	103	bool const &ParseRestrictionsList);
	104
	105	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	106	APT_HIDDEN static const char ParseDepends(const char Start,const char *Stop,
	107	APT::StringView &Package,
	108	APT::StringView &Ver,unsigned int &Op,
	109	bool const ParseArchFlags = false, bool StripMultiArch = true,
	110	bool const ParseRestrictionsList = false);
	111	#endif
	112
	113	APT_PUBLIC static const char ConvertRelation(const char I,unsigned int &Op);
	114
	115	debListParser(FileFd *File);
	116	virtual ~debListParser();
	117	};
	118
	119	class APT_HIDDEN debDebFileParser : public debListParser
	120	{
	121	private:
	122	std::string DebFile;
	123
	124	public:
	125	debDebFileParser(FileFd *File, std::string const &DebFile);
	126	virtual bool UsePackage(pkgCache::PkgIterator &Pkg,
	127	pkgCache::VerIterator &Ver) APT_OVERRIDE;
	128	};
	129
	130	class APT_HIDDEN debTranslationsParser : public debListParser
	131	{
	132	public:
	133	#ifdef APT_PKG_EXPOSE_STRING_VIEW
	134	// a translation can never be a real package
	135	virtual APT::StringView Architecture() APT_OVERRIDE { return ""; }
	136	virtual APT::StringView Version() APT_OVERRIDE { return ""; }
	137	#endif
	138
	139	debTranslationsParser(FileFd *File)
	140	: debListParser(File) {};
	141	};
	142
	143	class APT_HIDDEN debStatusListParser : public debListParser
	144	{
	145	public:
	146	virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
	147	debStatusListParser(FileFd *File)
	148	: debListParser(File) {};
	149	};
	150	#endif