From 957303d2f146bc9b12aaaa39c752212ca94dc4eb Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 7 Oct 2015 07:05:57 +0200
Subject: Add complete set of version comparison operators

---
 bpkg/package | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'bpkg/package')

diff --git a/bpkg/package b/bpkg/package
index ac0ac0f..12079f6 100644
--- a/bpkg/package
+++ b/bpkg/package
@@ -456,6 +456,15 @@ namespace bpkg
 
   template <typename T1, typename T2>
   inline auto
+  operator!= (const T1& x, const T2& y) -> decltype (x.epoch != y.epoch)
+  {
+    return x.epoch != y.epoch ||
+      x.canonical_upstream != y.canonical_upstream ||
+      x.revision != y.revision;
+  }
+
+  template <typename T1, typename T2>
+  inline auto
   operator< (const T1& x, const T2& y) -> decltype (x.epoch < y.epoch)
   {
     return x.epoch < y.epoch ||
@@ -466,6 +475,16 @@ namespace bpkg
 
   template <typename T1, typename T2>
   inline auto
+  operator<= (const T1& x, const T2& y) -> decltype (x.epoch <= y.epoch)
+  {
+    return x.epoch < y.epoch ||
+      (x.epoch == y.epoch && x.canonical_upstream < y.canonical_upstream) ||
+      (x.epoch == y.epoch && x.canonical_upstream == y.canonical_upstream &&
+       x.revision <= y.revision);
+  }
+
+  template <typename T1, typename T2>
+  inline auto
   operator> (const T1& x, const T2& y) -> decltype (x.epoch > y.epoch)
   {
     return x.epoch > y.epoch ||
@@ -474,6 +493,16 @@ namespace bpkg
        x.revision > y.revision);
   }
 
+  template <typename T1, typename T2>
+  inline auto
+  operator>= (const T1& x, const T2& y) -> decltype (x.epoch >= y.epoch)
+  {
+    return x.epoch > y.epoch ||
+      (x.epoch == y.epoch && x.canonical_upstream > y.canonical_upstream) ||
+      (x.epoch == y.epoch && x.canonical_upstream == y.canonical_upstream &&
+       x.revision >= y.revision);
+  }
+
   template <typename T>
   inline auto
   order_by_version_desc (const T& x) -> //decltype ("ORDER BY" + x.epoch)
-- 
cgit v1.1