implement generic config fallback for methods

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

diff --git a/apt-pkg/pkgsystem.h b/apt-pkg/pkgsystem.h
index c7de63c8739ea93c84dd773f67545cc83aac0099..affaa5c9af9bb86261d3447b053a663c66c5d4f3 100644 (file)
--- a/apt-pkg/pkgsystem.h
+++ b/apt-pkg/pkgsystem.h
@@ -51,6 +51,7 @@ class pkgVersioningSystem;
 class Configuration;
 class pkgIndexFile;
 
+class pkgSystemPrivate;
 class pkgSystem
 {
    public:
@@ -104,11 +105,23 @@ class pkgSystem
     * @return \b true if the system supports MultiArch, \b false if not.
     */
    bool MultiArchSupported() const;
+   /** architectures supported by this system
+    *
+    * A MultiArch capable system might be configured to use
+    * this capability.
+    *
+    * @return a list of all architectures (native + foreign) configured
+    * for on this system (aka: which can be installed without force)
+    */
+   std::vector<std::string> ArchitecturesSupported() const;
+
+   APT_HIDDEN void SetVersionMapping(map_id_t const in, map_id_t const out);
+   APT_HIDDEN map_id_t GetVersionMapping(map_id_t const in) const;
 
    pkgSystem(char const * const Label, pkgVersioningSystem * const VS);
    virtual ~pkgSystem();
    private:
-   void * const d;
+   pkgSystemPrivate * const d;
 };
 
 // The environment we are operating in.