From a82cdb8fd9ba02034d296769772cdf81244da66a Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 20 Apr 2015 13:01:46 +0200
Subject: Automatically decide when to print relative/absolute paths

---
 build/path-io.cxx | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 build/path-io.cxx

(limited to 'build/path-io.cxx')

diff --git a/build/path-io.cxx b/build/path-io.cxx
new file mode 100644
index 0000000..80a14e0
--- /dev/null
+++ b/build/path-io.cxx
@@ -0,0 +1,38 @@
+// file      : build/path-io.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+#include <build/path-io>
+
+#include <ostream>
+
+#include <build/diagnostics>
+
+using namespace std;
+
+namespace build
+{
+  ostream&
+  operator<< (ostream& os, const path& p)
+  {
+    return os << (relative (os) ? diag_relative (p) : p.string ());
+  }
+
+  ostream&
+  operator<< (ostream& os, const dir_path& d)
+  {
+    if (relative (os))
+      os << diag_relative (d);
+    else
+    {
+      const string& s (d.string ());
+
+      // Print the directory with trailing '/'.
+      //
+      if (!s.empty ())
+        os << s << (dir_path::traits::is_separator (s.back ()) ? "" : "/");
+    }
+
+    return os;
+  }
+}
-- 
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