From dd4d9729975fc2de37cd69220bc05efb16badc77 Mon Sep 17 00:00:00 2001
From: Michael Vogt <mvo@debian.org>
Date: Thu, 15 Aug 2013 13:39:32 +0200
Subject: add PACKAGE_MATCHER_ABI_COMPAT mode for now so that this branch can
 be merged without breaking ABI

---
 apt-pkg/cachefilter.h       | 63 ++++++++++++++++++++++++++++++++++++++++++++-
 apt-private/private-list.cc |  9 +++++++
 2 files changed, 71 insertions(+), 1 deletion(-)

diff --git a/apt-pkg/cachefilter.h b/apt-pkg/cachefilter.h
index ddd8df16e..34b7d0b46 100644
--- a/apt-pkg/cachefilter.h
+++ b/apt-pkg/cachefilter.h
@@ -15,6 +15,66 @@
 namespace APT {
 namespace CacheFilter {
 
+#define PACKAGE_MATCHER_ABI_COMPAT 1
+#ifdef PACKAGE_MATCHER_ABI_COMPAT
+
+// PackageNameMatchesRegEx						/*{{{*/
+class PackageNameMatchesRegEx {
+         /** \brief dpointer placeholder (for later in case we need it) */
+         void *d;
+	regex_t* pattern;
+public:
+	PackageNameMatchesRegEx(std::string const &Pattern);
+	bool operator() (pkgCache::PkgIterator const &Pkg);
+	bool operator() (pkgCache::GrpIterator const &Grp);
+	~PackageNameMatchesRegEx();
+};
+									/*}}}*/
+// PackageNameMatchesFnmatch						/*{{{*/
+ class PackageNameMatchesFnmatch {
+         /** \brief dpointer placeholder (for later in case we need it) */
+         void *d;
+         const std::string Pattern;
+public:
+         PackageNameMatchesFnmatch(std::string const &Pattern) 
+            : Pattern(Pattern) {};
+        bool operator() (pkgCache::PkgIterator const &Pkg);
+	bool operator() (pkgCache::GrpIterator const &Grp);
+	~PackageNameMatchesFnmatch() {};
+};
+									/*}}}*/
+// PackageArchitectureMatchesSpecification				/*{{{*/
+/** \class PackageArchitectureMatchesSpecification
+   \brief matching against architecture specification strings
+
+   The strings are of the format <kernel>-<cpu> where either component,
+   or the whole string, can be the wildcard "any" as defined in
+   debian-policy §11.1 "Architecture specification strings".
+
+   Examples: i386, mipsel, linux-any, any-amd64, any */
+class PackageArchitectureMatchesSpecification {
+	std::string literal;
+	std::string complete;
+	bool isPattern;
+	/** \brief dpointer placeholder (for later in case we need it) */
+	void *d;
+public:
+	/** \brief matching against architecture specification strings
+	 *
+	 * @param pattern is the architecture specification string
+	 * @param isPattern defines if the given \b pattern is a
+	 *        architecture specification pattern to match others against
+	 *        or if it is the fixed string and matched against patterns
+	 */
+	PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern = true);
+	bool operator() (char const * const &arch);
+	bool operator() (pkgCache::PkgIterator const &Pkg);
+	bool operator() (pkgCache::VerIterator const &Ver);
+	~PackageArchitectureMatchesSpecification();
+};
+
+#else
+
 class PackageMatcher {
  public:
    virtual bool operator() (pkgCache::PkgIterator const &Pkg) { return false; };
@@ -37,7 +97,7 @@ public:
 };
 									/*}}}*/
 // PackageNameMatchesFnmatch						/*{{{*/
- class PackageNameMatchesFnmatch : public PackageMatcher{
+   class PackageNameMatchesFnmatch : public PackageMatcher{
          /** \brief dpointer placeholder (for later in case we need it) */
          void *d;
          const std::string Pattern;
@@ -78,6 +138,7 @@ public:
 	virtual bool operator() (pkgCache::VerIterator const &Ver);
 	virtual ~PackageArchitectureMatchesSpecification();
 };
+#endif
 									/*}}}*/
 }
 }
diff --git a/apt-private/private-list.cc b/apt-private/private-list.cc
index ac72ce51a..c3a21aafc 100644
--- a/apt-private/private-list.cc
+++ b/apt-private/private-list.cc
@@ -53,6 +53,9 @@ struct PackageSortAlphabetic
     }
 };
 
+#ifdef PACKAGE_MATCHER_ABI_COMPAT
+#define PackageMatcher PackageNameMatchesFnmatch
+#endif
 class PackageNameMatcher : public Matcher
 {
   public:
@@ -61,11 +64,16 @@ class PackageNameMatcher : public Matcher
       for(int i=0; patterns[i] != NULL; i++)
       {
          std::string pattern = patterns[i];
+#ifdef PACKAGE_MATCHER_ABI_COMPAT
+            APT::CacheFilter::PackageNameMatchesFnmatch *cachefilter = NULL;
+            cachefilter = new APT::CacheFilter::PackageNameMatchesFnmatch(pattern);
+#else
          APT::CacheFilter::PackageMatcher *cachefilter = NULL;
          if(_config->FindB("APT::Cmd::UseRegexp", false) == true)
             cachefilter = new APT::CacheFilter::PackageNameMatchesRegEx(pattern);
          else
             cachefilter = new APT::CacheFilter::PackageNameMatchesFnmatch(pattern);
+#endif
          filters.push_back(cachefilter);
       }
    }
@@ -88,6 +96,7 @@ class PackageNameMatcher : public Matcher
 private:
    std::vector<APT::CacheFilter::PackageMatcher*> filters;   
    std::vector<APT::CacheFilter::PackageMatcher*>::const_iterator J;
+   #undef PackageMatcher
 };
 
 
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