From aaf0d51b8ba50f2614313bf098ee6695235db676 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 15 Sep 2016 22:15:47 +0300
Subject: Move print_process() to butl::process::print()

---
 build2/diagnostics.cxx | 46 ++++++++++++++--------------------------------
 1 file changed, 14 insertions(+), 32 deletions(-)

(limited to 'build2/diagnostics.cxx')

diff --git a/build2/diagnostics.cxx b/build2/diagnostics.cxx
index 1265f73..ca395ab 100644
--- a/build2/diagnostics.cxx
+++ b/build2/diagnostics.cxx
@@ -22,41 +22,23 @@ namespace build2
     print_process (r, args, n);
   }
 
-  void
-  print_process (diag_record& r, const char* const* args, size_t n)
+  struct process_args
   {
-    size_t m (0);
-    const char* const* p (args);
-    do
-    {
-      if (m != 0)
-        r << " |"; // Trailing space will be added inside the loop.
-
-      for (m++; *p != nullptr; p++, m++)
-      {
-        if (p != args)
-          r << ' ';
-
-        // Quote if empty or contains spaces.
-        //
-        bool q (**p == '\0' || strchr (*p, ' ') != nullptr);
-
-        if (q)
-          r << '"';
-
-        r << *p;
+    const char* const* a;
+    size_t n;
+  };
 
-        if (q)
-          r << '"';
-      }
-
-      if (m < n) // Can we examine the next element?
-      {
-        p++;
-        m++;
-      }
+  inline static ostream&
+  operator<< (ostream& o, const process_args& p)
+  {
+    process::print (o, p.a, p.n);
+    return o;
+  }
 
-    } while (*p != nullptr);
+  void
+  print_process (diag_record& r, const char* const* args, size_t n)
+  {
+    r << process_args {args, n};
   }
 
   // Diagnostics verbosity level.
-- 
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