apt-pkg/contrib/fileutl.cc: Add WriteAtomic mode.

[apt.git] / apt-pkg / orderlist.h

diff --git a/apt-pkg/orderlist.h b/apt-pkg/orderlist.h
index 5456984e41987b43d30a85ba55c61c89d42f5294..bbceb3879a6bac2685c8769dcab683aef283d96e 100644 (file)
--- a/apt-pkg/orderlist.h
+++ b/apt-pkg/orderlist.h
@@ -1,42 +1,30 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: orderlist.h,v 1.4 1999/07/04 23:22:53 jgg Exp $
+// $Id: orderlist.h,v 1.9 2001/02/20 07:03:17 jgg Exp $
 /* ######################################################################
 
    Order List - Represents and Manipulates an ordered list of packages.
    
    A list of packages can be ordered by a number of conflicting criteria
    each given a specific priority. Each package also has a set of flags
-   indicating some usefull things about it that are derived in the 
+   indicating some useful things about it that are derived in the 
    course of sorting. The pkgPackageManager class uses this class for
    all of it's installation ordering needs.
    
    ##################################################################### */
                                                                        /*}}}*/
-// Header section: pkglib
 #ifndef PKGLIB_ORDERLIST_H
 #define PKGLIB_ORDERLIST_H
 
-#ifdef __GNUG__
-#pragma interface "apt-pkg/orderlist.h"
-#endif 
 
 #include <apt-pkg/pkgcache.h>
 
 class pkgDepCache;
-class pkgOrderList
+class pkgOrderList : protected pkgCache::Namespace
 {
    protected:
 
-   pkgDepCache &Cache;
-   
-   // Bring some usefull types into the local scope
-   typedef pkgCache::PkgIterator PkgIterator;
-   typedef pkgCache::VerIterator VerIterator;
-   typedef pkgCache::DepIterator DepIterator;
-   typedef pkgCache::PrvIterator PrvIterator;
-   typedef pkgCache::Package Package;
-   typedef pkgCache::Version Version;
+   pkgDepCache &Cache;   
    typedef bool (pkgOrderList::*DepFunc)(DepIterator D);
 
    // These are the currently selected ordering functions
@@ -48,18 +36,20 @@ class pkgOrderList
    // State
    Package **End;
    Package **List;
+   Package **AfterEnd;
    string *FileList;
    DepIterator Loops[20];
    int LoopCount;
    int Depth;
-   unsigned char *Flags;
+   unsigned short *Flags;
+   bool Debug;
    
    // Main visit function
    bool VisitNode(PkgIterator Pkg);
    bool VisitDeps(DepFunc F,PkgIterator Pkg);
    bool VisitRDeps(DepFunc F,PkgIterator Pkg);
    bool VisitRProvides(DepFunc F,VerIterator Ver);
-   bool VisitProvides(DepIterator Pkg);
+   bool VisitProvides(DepIterator Pkg,bool Critical);
    
    // Dependency checking functions.
    bool DepUnPackCrit(DepIterator D);
@@ -88,8 +78,9 @@ class pkgOrderList
    enum Flags {Added = (1 << 0), AddPending = (1 << 1),
                Immediate = (1 << 2), Loop = (1 << 3),
                UnPacked = (1 << 4), Configured = (1 << 5),
-               Removed = (1 << 6),
+               Removed = (1 << 6),        // Early Remove
                InList = (1 << 7),
+               After = (1 << 8),
                States = (UnPacked | Configured | Removed)};
 
    // Flag manipulators
@@ -98,11 +89,11 @@ class pkgOrderList
    void Flag(PkgIterator Pkg,unsigned long State, unsigned long F) {Flags[Pkg->ID] = (Flags[Pkg->ID] & (~F)) | State;};
    inline void Flag(PkgIterator Pkg,unsigned long F) {Flags[Pkg->ID] |= F;};
    inline void Flag(Package *Pkg,unsigned long F) {Flags[Pkg->ID] |= F;};
-   inline bool IsNow(PkgIterator Pkg) {return (Flags[Pkg->ID] & States) == 0;};
+   inline bool IsNow(PkgIterator Pkg) {return (Flags[Pkg->ID] & (States & (~Removed))) == 0;};
    bool IsMissing(PkgIterator Pkg);
    void WipeFlags(unsigned long F);
    void SetFileList(string *FileList) {this->FileList = FileList;};
-   
+
    // Accessors
    inline iterator begin() {return List;};
    inline iterator end() {return End;};
@@ -119,7 +110,7 @@ class pkgOrderList
 
    int Score(PkgIterator Pkg);
 
-   pkgOrderList(pkgDepCache &Cache);
+   pkgOrderList(pkgDepCache *Cache);
    ~pkgOrderList();
 };