From 5b336ac46f60606cdcf77889d624ce15cdd62530 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 19 Oct 2015 15:28:19 +0200
Subject: Implement package search by terms

---
 brep/package.cxx | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

(limited to 'brep/package.cxx')

diff --git a/brep/package.cxx b/brep/package.cxx
index fd40bc6..9b7d24a 100644
--- a/brep/package.cxx
+++ b/brep/package.cxx
@@ -66,6 +66,48 @@ namespace brep
     external_repositories.emplace_back (move (rp));
   }
 
+  weighted_text package::
+  search_text () const
+  {
+    if (internal_repository == nullptr)
+      return weighted_text ();
+
+    // Derive keywords from the basic package information: name,
+    // version.
+    //
+    //@@ What about 'stable' from cppget.org/stable? Add path of
+    //   the repository to keywords? Or is it too "polluting" and
+    //   we will handle it in some other way (e.g., by allowing
+    //   the user to specify repo location in the drop-down box)?
+    //   Probably drop-box would be better as also tells what are
+    //   the available internal repositories.
+    //
+    string k (id.name + " " + version.string () + " " + version.string (true));
+
+    // Add tags to keywords.
+    //
+    for (const auto& t: tags)
+      k += " " + t;
+
+    // Add licenses to keywords.
+    //
+    for (const auto& la: license_alternatives)
+    {
+      for (const auto& l: la)
+      {
+        k += " " + l;
+
+        // If license is say LGPLv2 then LGPL is also a keyword.
+        //
+        size_t n (l.size ());
+        if (n > 2 && l[n - 2] == 'v' && l[n - 1] >= '0' && l[n - 1] <= '9')
+          k += " " + string (l, 0, n - 2);
+      }
+    }
+
+    return {move (k), summary, description ? *description : "", changes};
+  }
+
   // repository
   //
   repository::
-- 
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