From e58957d6491a08ec212958457c29a14eec787279 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 11 Mar 2016 16:24:37 +0200
Subject: Implement --config-{guess,sub} options

---
 build2/types-parsers.cxx | 51 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 build2/types-parsers.cxx

(limited to 'build2/types-parsers.cxx')

diff --git a/build2/types-parsers.cxx b/build2/types-parsers.cxx
new file mode 100644
index 0000000..46fb8a1
--- /dev/null
+++ b/build2/types-parsers.cxx
@@ -0,0 +1,51 @@
+// file      : build2/types-parsers.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/types-parsers>
+
+#include <build2/b-options> // build2::cl namespace
+
+namespace build2
+{
+  namespace cl
+  {
+    template <typename T>
+    static void
+    parse_path (T& x, scanner& s)
+    {
+      const char* o (s.next ());
+
+      if (!s.more ())
+        throw missing_value (o);
+
+      const char* v (s.next ());
+
+      try
+      {
+        x = T (v);
+
+        if (x.empty ())
+          throw invalid_value (o, v);
+      }
+      catch (const invalid_path&)
+      {
+        throw invalid_value (o, v);
+      }
+    }
+
+    void parser<path>::
+    parse (path& x, bool& xs, scanner& s)
+    {
+      xs = true;
+      parse_path (x, s);
+    }
+
+    void parser<dir_path>::
+    parse (dir_path& x, bool& xs, scanner& s)
+    {
+      xs = true;
+      parse_path (x, s);
+    }
+  }
+}
-- 
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