cpp/src/binary.cpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#include "types_internal.hpp"

#include "proton/binary.hpp"

#include <ostream>
#include <iomanip>

#include <ctype.h>

namespace proton {

std::ostream& operator<<(std::ostream& o, const binary& x) {
    ios_guard restore_flags(o);
    o << std::hex << std::setfill('0') << "b\"";
    for (binary::const_iterator i = x.begin(); i != x.end(); ++i) {
        if (!isprint(*i) && !isspace(*i)) { // Non-printables in hex.
            o << "\\x" << std::setw(2) << printable_byte(*i);
        } else {
            o << char(*i);
        }
    }
    return o << '"';
}

}