restore ABI of pkgTagSection

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

diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index db43bfbf961da1d4983595b9edc851f4161f243a..d09e7046c23f7d9156a5b3eda5a77a23564a0557 100644 (file)
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -33,23 +33,22 @@
 #endif
 
 class FileFd;
+class pkgTagSectionPrivate;
 
 class pkgTagSection
 {
    const char *Section;
-   struct TagData {
-      unsigned int StartTag;
-      unsigned int EndTag;
-      unsigned int StartValue;
-      unsigned int NextInBucket;
-
-      TagData(unsigned int const StartTag) : StartTag(StartTag), NextInBucket(0) {}
-   };
-   std::vector<TagData> Tags;
-   unsigned int LookupTable[0x100];
+   // We have a limit of 256 tags per section with the old abi
+#if APT_PKG_ABI < 413
+   APT_DEPRECATED unsigned int Indexes[256];
+#endif
+   unsigned int AlphaIndexes[0x100];
+#if APT_PKG_ABI < 413
+   APT_DEPRECATED unsigned int TagCount;
+#endif
 
    // dpointer placeholder (for later in case we need it)
-   void *d;
+   pkgTagSectionPrivate *d;
 
    protected:
    const char *Stop;
@@ -86,7 +85,13 @@ class pkgTagSection
     * @return \b true if section end was found, \b false otherwise.
     *  Beware that internal state will be inconsistent if \b false is returned!
     */
+#if APT_PKG_ABI >= 413
    APT_MUSTCHECK bool Scan(const char *Start, unsigned long MaxLength, bool const Restart = true);
+#else
+   APT_MUSTCHECK bool Scan(const char *Start, unsigned long MaxLength, bool const Restart);
+   APT_MUSTCHECK bool Scan(const char *Start, unsigned long MaxLength);
+#endif
+
    inline unsigned long size() const {return Stop - Section;};
    void Trim();
    virtual void TrimRecord(bool BeforeRecord, const char* &End);
@@ -94,13 +99,16 @@ class pkgTagSection
    /** \brief amount of Tags in the current section
     *
     * Note: if a Tag is mentioned repeatly it will be counted multiple
-    * times, but only the last occurance is available via Find methods.
+    * times, but only the last occurrence is available via Find methods.
     */
    unsigned int Count() const;
+#if APT_PKG_ABI >= 413
    bool Exists(const char* const Tag) const;
+#else
+   bool Exists(const char* const Tag);
+#endif
 
-   inline void Get(const char *&Start,const char *&Stop,unsigned int I) const
-                   {Start = Section + Tags[I].StartTag; Stop = Section + Tags[I+1].StartTag;}
+   void Get(const char *&Start,const char *&Stop,unsigned int I) const;
 
    inline void GetSection(const char *&Start,const char *&Stop) const
    {
@@ -109,7 +117,7 @@ class pkgTagSection
    };
    
    pkgTagSection();
-   virtual ~pkgTagSection() {};
+   virtual ~pkgTagSection();
 };
 
 class pkgTagFilePrivate;