]> git.saurik.com Git - apt.git/blobdiff - apt-pkg/pkgcache.h
methods/mirror.cc: simplify uri.startswith()
[apt.git] / apt-pkg / pkgcache.h
index f2b1c39faa24fbc3e80d8c33d1bf97585f040031..38733713f32468e3de5817f2c4df8d84d892b0ae 100644 (file)
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: pkgcache.h,v 1.23 2001/02/20 07:03:17 jgg Exp $
+// $Id: pkgcache.h,v 1.25 2001/07/01 22:28:24 jgg Exp $
 /* ######################################################################
    
    Cache - Structure definitions for the cache file
 #ifndef PKGLIB_PKGCACHE_H
 #define PKGLIB_PKGCACHE_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/pkgcache.h"
-#endif 
 
 #include <string>
 #include <time.h>
 #include <apt-pkg/mmap.h>
+
+using std::string;
     
 class pkgVersioningSystem;
-class pkgCache
+class pkgCache                                                         /*{{{*/
 {
    public:
    // Cache element predeclarations
@@ -36,32 +35,42 @@ class pkgCache
    struct Package;
    struct PackageFile;
    struct Version;
+   struct Description;
    struct Provides;
    struct Dependency;
    struct StringItem;
    struct VerFile;
+   struct DescFile;
    
    // Iterators
    class PkgIterator;
    class VerIterator;
+   class DescIterator;
    class DepIterator;
    class PrvIterator;
    class PkgFileIterator;
    class VerFileIterator;
+   class DescFileIterator;
    friend class PkgIterator;
    friend class VerIterator;
+   friend class DescInterator;
    friend class DepIterator;
    friend class PrvIterator;
    friend class PkgFileIterator;
    friend class VerFileIterator;
+   friend class DescFileIterator;
    
    class Namespace;
    
    // These are all the constants used in the cache structures
+
+   // WARNING - if you change these lists you must also edit
+   // the stringification in pkgcache.cc and also consider whether
+   // the cache file will become incompatible.
    struct Dep
    {
       enum DepType {Depends=1,PreDepends=2,Suggests=3,Recommends=4,
-        Conflicts=5,Replaces=6,Obsoletes=7};
+        Conflicts=5,Replaces=6,Obsoletes=7,DpkgBreaks=8,Enhances=9};
       enum DepCompareOp {Or=0x10,NoOp=0,LessEq=0x1,GreaterEq=0x2,Less=0x3,
         Greater=0x4,Equals=0x5,NotEquals=0x6};
    };
@@ -72,7 +81,8 @@ class pkgCache
       enum PkgSelectedState {Unknown=0,Install=1,Hold=2,DeInstall=3,Purge=4};
       enum PkgInstState {Ok=0,ReInstReq=1,HoldInst=2,HoldReInstReq=3};
       enum PkgCurrentState {NotInstalled=0,UnPacked=1,HalfConfigured=2,
-          HalfInstalled=4,ConfigFiles=5,Installed=6};
+          HalfInstalled=4,ConfigFiles=5,Installed=6,
+           TriggersAwaited=7,TriggersPending=8};
    };
    
    struct Flag
@@ -87,7 +97,7 @@ class pkgCache
    string CacheFile;
    MMap &Map;
 
-   unsigned long sHash(string S) const;
+   unsigned long sHash(const string &S) const;
    unsigned long sHash(const char *S) const;
    
    public:
@@ -96,8 +106,10 @@ class pkgCache
    Header *HeaderP;
    Package *PkgP;
    VerFile *VerFileP;
+   DescFile *DescFileP;
    PackageFile *PkgFileP;
    Version *VerP;
+   Description *DescP;
    Provides *ProvideP;
    Dependency *DepP;
    StringItem *StringItemP;
@@ -109,14 +121,14 @@ class pkgCache
    inline void *DataEnd() {return ((unsigned char *)Map.Data()) + Map.Size();};
       
    // String hashing function (512 range)
-   inline unsigned long Hash(string S) const {return sHash(S);};
+   inline unsigned long Hash(const string &S) const {return sHash(S);};
    inline unsigned long Hash(const char *S) const {return sHash(S);};
 
    // Usefull transformation things
    const char *Priority(unsigned char Priority);
    
    // Accessors
-   PkgIterator FindPkg(string Name);
+   PkgIterator FindPkg(const string &Name);
    Header &Head() {return *HeaderP;};
    inline PkgIterator PkgBegin();
    inline PkgIterator PkgEnd();
@@ -134,8 +146,8 @@ class pkgCache
    pkgCache(MMap *Map,bool DoMap = true);
    virtual ~pkgCache() {};
 };
-
-// Header structure
+                                                                       /*}}}*/
+// Header structure                                                    /*{{{*/
 struct pkgCache::Header
 {
    // Signature information
@@ -149,16 +161,20 @@ struct pkgCache::Header
    unsigned short PackageSz;
    unsigned short PackageFileSz;
    unsigned short VersionSz;
+   unsigned short DescriptionSz;
    unsigned short DependencySz;
    unsigned short ProvidesSz;
    unsigned short VerFileSz;
+   unsigned short DescFileSz;
    
    // Structure counts
    unsigned long PackageCount;
    unsigned long VersionCount;
+   unsigned long DescriptionCount;
    unsigned long DependsCount;
    unsigned long PackageFileCount;
    unsigned long VerFileCount;
+   unsigned long DescFileCount;
    unsigned long ProvidesCount;
    
    // Offsets
@@ -167,10 +183,11 @@ struct pkgCache::Header
    map_ptrloc VerSysName;            // StringTable
    map_ptrloc Architecture;          // StringTable
    unsigned long MaxVerFileSize;
+   unsigned long MaxDescFileSize;
 
    /* Allocation pools, there should be one of these for each structure
       excluding the header */
-   DynamicMMap::Pool Pools[7];
+   DynamicMMap::Pool Pools[8];
    
    // Rapid package name lookup
    map_ptrloc HashTable[2*1048];
@@ -178,8 +195,8 @@ struct pkgCache::Header
    bool CheckSizes(Header &Against) const;
    Header();
 };
-
-struct pkgCache::Package
+                                                                       /*}}}*/
+struct pkgCache::Package                                               /*{{{*/
 {
    // Pointers
    map_ptrloc Name;              // Stringtable
@@ -191,21 +208,22 @@ struct pkgCache::Package
    map_ptrloc NextPackage;       // Package
    map_ptrloc RevDepends;        // Dependency
    map_ptrloc ProvidesList;      // Provides
-   
+
    // Install/Remove/Purge etc
    unsigned char SelectedState;     // What
    unsigned char InstState;         // Flags
    unsigned char CurrentState;      // State
    
-   unsigned short ID;
+   unsigned int ID;
    unsigned long Flags;
 };
-
-struct pkgCache::PackageFile
+                                                                       /*}}}*/
+struct pkgCache::PackageFile                                           /*{{{*/
 {
    // Names
    map_ptrloc FileName;        // Stringtable
    map_ptrloc Archive;         // Stringtable
+   map_ptrloc Codename;        // Stringtable
    map_ptrloc Component;       // Stringtable
    map_ptrloc Version;         // Stringtable
    map_ptrloc Origin;          // Stringtable
@@ -218,19 +236,27 @@ struct pkgCache::PackageFile
    
    // Linked list
    map_ptrloc NextFile;        // PackageFile
-   unsigned short ID;
+   unsigned int ID;
    time_t mtime;                  // Modification time for the file
 };
-
-struct pkgCache::VerFile
+                                                                       /*}}}*/
+struct pkgCache::VerFile                                               /*{{{*/
 {
    map_ptrloc File;           // PackageFile
    map_ptrloc NextFile;       // PkgVerFile
    map_ptrloc Offset;         // File offset
    unsigned short Size;
 };
-
-struct pkgCache::Version
+                                                                       /*}}}*/
+struct pkgCache::DescFile                                              /*{{{*/
+{
+   map_ptrloc File;           // PackageFile
+   map_ptrloc NextFile;       // PkgVerFile
+   map_ptrloc Offset;         // File offset
+   unsigned short Size;
+};
+                                                                       /*}}}*/
+struct pkgCache::Version                                               /*{{{*/
 {
    map_ptrloc VerStr;            // Stringtable
    map_ptrloc Section;           // StringTable (StringItem)
@@ -239,6 +265,7 @@ struct pkgCache::Version
    // Lists
    map_ptrloc FileList;          // VerFile
    map_ptrloc NextVer;           // Version
+   map_ptrloc DescriptionList;   // Description
    map_ptrloc DependsList;       // Dependency
    map_ptrloc ParentPkg;         // Package
    map_ptrloc ProvidesList;      // Provides
@@ -246,11 +273,27 @@ struct pkgCache::Version
    map_ptrloc Size;              // These are the .deb size
    map_ptrloc InstalledSize;
    unsigned short Hash;
-   unsigned short ID;
+   unsigned int ID;
    unsigned char Priority;
 };
+                                                                       /*}}}*/
+struct pkgCache::Description                                           /*{{{*/
+{
+   // Language Code store the description translation language code. If
+   // the value has a 0 lenght then this is readed using the Package
+   // file else the Translation-CODE are used.
+   map_ptrloc language_code;     // StringTable
+   map_ptrloc md5sum;            // StringTable
 
-struct pkgCache::Dependency
+   // Linked list 
+   map_ptrloc FileList;          // DescFile
+   map_ptrloc NextDesc;          // Description
+   map_ptrloc ParentPkg;         // Package
+
+   unsigned int ID;
+};
+                                                                       /*}}}*/
+struct pkgCache::Dependency                                            /*{{{*/
 {
    map_ptrloc Version;         // Stringtable
    map_ptrloc Package;         // Package
@@ -259,12 +302,12 @@ struct pkgCache::Dependency
    map_ptrloc ParentVer;       // Version
    
    // Specific types of depends
+   map_ptrloc ID;   
    unsigned char Type;
    unsigned char CompareOp;
-   unsigned short ID;   
 };
-
-struct pkgCache::Provides
+                                                                       /*}}}*/
+struct pkgCache::Provides                                              /*{{{*/
 {
    map_ptrloc ParentPkg;        // Pacakge
    map_ptrloc Version;          // Version
@@ -272,13 +315,13 @@ struct pkgCache::Provides
    map_ptrloc NextProvides;     // Provides
    map_ptrloc NextPkgProv;      // Provides
 };
-
-struct pkgCache::StringItem
+                                                                       /*}}}*/
+struct pkgCache::StringItem                                            /*{{{*/
 {
    map_ptrloc String;        // Stringtable
    map_ptrloc NextItem;      // StringItem
 };
-
+                                                                       /*}}}*/
 #include <apt-pkg/cacheiterators.h>
 
 inline pkgCache::PkgIterator pkgCache::PkgBegin() 
@@ -291,21 +334,23 @@ inline pkgCache::PkgFileIterator pkgCache::FileEnd()
        {return PkgFileIterator(*this,PkgFileP);};
 
 // Oh I wish for Real Name Space Support
-class pkgCache::Namespace
+class pkgCache::Namespace                                              /*{{{*/
 {   
    public:
 
    typedef pkgCache::PkgIterator PkgIterator;
    typedef pkgCache::VerIterator VerIterator;
+   typedef pkgCache::DescIterator DescIterator;
    typedef pkgCache::DepIterator DepIterator;
    typedef pkgCache::PrvIterator PrvIterator;
    typedef pkgCache::PkgFileIterator PkgFileIterator;
    typedef pkgCache::VerFileIterator VerFileIterator;   
    typedef pkgCache::Version Version;
+   typedef pkgCache::Description Description;
    typedef pkgCache::Package Package;
    typedef pkgCache::Header Header;
    typedef pkgCache::Dep Dep;
    typedef pkgCache::Flag Flag;
 };
-
+                                                                       /*}}}*/
 #endif