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+// Copyright 2010 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+// may be used to endorse or promote products derived from this software
+// without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#if !defined(UTILS_FORMAT_FORMATTER_IPP)
+#define UTILS_FORMAT_FORMATTER_IPP
+
+#include <ostream>
+
+#include "utils/format/formatter.hpp"
+
+namespace utils {
+namespace format {
+
+
+/// Replaces the first format placeholder in a formatter.
+///
+/// Constructs a new formatter object that has one less formatting placeholder,
+/// as this has been replaced by the provided argument. Calling this operator
+/// N times, where N is the number of formatting placeholders, effectively
+/// formats the string.
+///
+/// \param arg The argument to use as replacement for the format placeholder.
+///
+/// \return A new formatter that has one less format placeholder.
+template< typename Type >
+inline formatter
+formatter::operator%(const Type& arg) const
+{
+ (*_oss) << arg;
+ return replace(_oss->str());
+}
+
+
+/// Inserts a formatter string into a stream.
+///
+/// \param os The output stream.
+/// \param f The formatter to process and inject into the stream.
+///
+/// \return The output stream os.
+inline std::ostream&
+operator<<(std::ostream& os, const formatter& f)
+{
+ return (os << f.str());
+}
+
+
+} // namespace format
+} // namespace utils
+
+
+#endif // !defined(UTILS_FORMAT_FORMATTER_IPP)