39 lines
1011 B
C++
39 lines
1011 B
C++
////////////////////////////////////////////////////////////////////////////////
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// Copyright 2018 Google LLC.
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//
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// This software is licensed under the terms defined in the Widevine Master
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// License Agreement. For a copy of this agreement, please contact
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// widevine-licensing@google.com.
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////////////////////////////////////////////////////////////////////////////////
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#include "common/string_util.h"
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#include <bitset>
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#include <cstddef>
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#include <sstream>
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#include <string>
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#include "common/status.h"
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namespace widevine {
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namespace string_util {
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Status BitsetStringToBinaryString(const std::string& bitset, std::string* output) {
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if (output == nullptr) {
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return Status(error::INTERNAL, "output is nullptr.");
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}
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std::stringstream sstream(bitset);
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for (size_t i = 0; i < bitset.size(); i += 8) {
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std::bitset<8> bits;
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sstream >> bits;
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char c = static_cast<char>(bits.to_ulong());
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*output += c;
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}
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return OkStatus();
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}
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} // namespace string_util
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} // namespace widevine
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