83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/**
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* Copyright (c) 2014, Zac Bergquist
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* Copyright (c) 2021, Evgeny Zinoviev
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
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* following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef THIRD_PARTY_HEXDUMP_H_
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#define THIRD_PARTY_HEXDUMP_H_
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#include <cctype>
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#include <iomanip>
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#include <ostream>
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#include <ios>
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template <unsigned rows, bool ascii>
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class custom_hexdump {
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public:
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custom_hexdump(void* data, unsigned length) :
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data(static_cast<unsigned char*>(data)), length(length) { }
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const unsigned char* data;
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const unsigned length;
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};
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template <unsigned rows, bool ascii>
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std::ostream& operator<<(std::ostream& out, const custom_hexdump<rows, ascii>& dump)
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{
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// save state
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std::ios_base::fmtflags f(out.flags());
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out.fill('0');
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for (int i = 0; i < dump.length; i += rows) {
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out << "0x" << std::setw(4) << std::hex << i << ": ";
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for (int j = 0; j < rows; ++j) {
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if (i + j < dump.length) {
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out << std::hex << std::setw(2) << static_cast<int>(dump.data[i + j]) << " ";
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} else {
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out << " ";
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}
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}
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out << " ";
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if (ascii) {
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for (int j = 0; j < rows; ++j) {
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if (i + j < dump.length) {
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if (std::isprint(dump.data[i + j])) {
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out << static_cast<char>(dump.data[i + j]);
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} else {
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out << ".";
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}
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}
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}
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}
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out << std::endl;
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}
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// restore state
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out.flags(f);
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return out;
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}
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typedef custom_hexdump<16, true> hexdump;
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#endif // THIRD_PARTY_HEXDUMP_H_
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