Merge pull request #3724 from bburdette/hintfmt-percent

Hintfmt percent test, and fix

1 files changed, 16 insertions, 1 deletions

diff --git a/src/libutil/fmt.hh b/src/libutil/fmt.hh
index 12ab9c407..a39de041f 100644
--- a/src/libutil/fmt.hh
+++ b/src/libutil/fmt.hh
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <boost/format.hpp>
+#include <boost/algorithm/string/replace.hpp>
 #include <string>
 #include "ansicolor.hh"
 
@@ -103,7 +104,9 @@ class hintformat
 public:
     hintformat(const string &format) :fmt(format)
     {
-        fmt.exceptions(boost::io::all_error_bits ^ boost::io::too_many_args_bit);
+        fmt.exceptions(boost::io::all_error_bits ^ 
+                       boost::io::too_many_args_bit ^
+                       boost::io::too_few_args_bit);
     }
 
     hintformat(const hintformat &hf)
@@ -117,6 +120,13 @@ public:
         return *this;
     }
 
+    template<class T>
+    hintformat& operator%(const normaltxt<T> &value)
+    {
+        fmt % value.value;
+        return *this;
+    }
+
     std::string str() const
     {
         return fmt.str();
@@ -136,4 +146,9 @@ inline hintformat hintfmt(const std::string & fs, const Args & ... args)
     return f;
 }
 
+inline hintformat hintfmt(std::string plain_string)
+{
+    // we won't be receiving any args in this case, so just print the original string
+    return hintfmt("%s", normaltxt(plain_string));
+}
 }