Add standard_version_constraint::satisfies()

2 files changed, 23 insertions, 0 deletions

diff --git a/butl/standard-version b/butl/standard-version
index 0c7b9bc..59056ac 100644
--- a/butl/standard-version
+++ b/butl/standard-version
@@ -181,6 +181,9 @@ namespace butl
 
     bool
     empty () const noexcept {return !min_version && !max_version;}
+
+    bool
+    satisfies (const standard_version&) const noexcept;
   };
 
   inline bool
diff --git a/butl/standard-version.cxx b/butl/standard-version.cxx
index 16095c0..3e049e2 100644
--- a/butl/standard-version.cxx
+++ b/butl/standard-version.cxx
@@ -530,4 +530,24 @@ namespace butl
     return (min_open ? '(' : '[') + min_version->string () + ' ' +
       max_version->string () + (max_open ? ')' : ']');
   }
+
+  bool standard_version_constraint::
+  satisfies (const standard_version& v) const noexcept
+  {
+    bool s (true);
+
+    if (min_version)
+    {
+      int i (v.compare (*min_version));
+      s = min_open ? i > 0 : i >= 0;
+    }
+
+    if (s && max_version)
+    {
+      int i (v.compare (*max_version));
+      s = max_open ? i < 0 : i <= 0;
+    }
+
+    return s;
+  }
 }