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33 lines
1.3 KiB
C++
33 lines
1.3 KiB
C++
//===--- PunycodeUTF8.cpp - Unicode to Punycode transcoding -----*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/Punycode.h"
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#include "llvm/Support/ConvertUTF.h"
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#include <vector>
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using namespace swift;
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bool Punycode::encodePunycodeUTF8(StringRef InputUTF8,
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std::string &OutPunycode) {
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std::vector<uint32_t> InputCodePoints(InputUTF8.size());
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const UTF8 *SourceStart = reinterpret_cast<const UTF8 *>(InputUTF8.data());
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UTF32 *TargetStart = InputCodePoints.data();
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auto ConvStatus = ConvertUTF8toUTF32(
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&SourceStart, SourceStart + InputUTF8.size(), &TargetStart,
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InputCodePoints.data() + InputCodePoints.size(), strictConversion);
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if (ConvStatus != conversionOK)
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return false;
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InputCodePoints.resize(TargetStart - InputCodePoints.data());
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return encodePunycode(InputCodePoints, OutPunycode);
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}
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