[PATCH setup 1/2] Add Vendor() accessor method to SolvableVersion

[Jon Turney]

---
 libsolv.cc | 17 +++++++++++++++++
 libsolv.h  |  1 +
 2 files changed, 18 insertions(+)

diff --git a/libsolv.cc b/libsolv.cc
index 63942b2..955a1b2 100644
--- a/libsolv.cc
+++ b/libsolv.cc
@@ -209,6 +209,23 @@ SolvableVersion::sourcePackageName () const
   return std::string(pool_id2str(pool, spkg));
 }
 
+const std::string
+SolvableVersion::Vendor () const
+{
+  if (!id)
+    return "";
+
+  // extract vendor
+  Solvable *solvable = pool_id2solvable(pool, id);
+  Id vendor = repo_lookup_id(solvable->repo, id, SOLVABLE_VENDOR);
+
+  // has no such attribute
+  if (!vendor)
+    return "";
+
+  return std::string(pool_id2str(pool, vendor));
+}
+
 SolvableVersion
 SolvableVersion::sourcePackage () const
 {
diff --git a/libsolv.h b/libsolv.h
index c218ab8..f394e65 100644
--- a/libsolv.h
+++ b/libsolv.h
@@ -73,6 +73,7 @@ class SolvableVersion
   SolvableVersion sourcePackage () const;
   // where this package archive can be obtained from
   packagesource *source() const;
+  const std::string Vendor () const;
 
   // fixup spkg_id
   void fixup_spkg_id(SolvableVersion spkg_id) const;
-- 
2.17.0