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++ // Copyright 2009-2021 Intel Corporation
++ // SPDX-License-Identifier: Apache-2.0
++
++ #pragma once
++
++ #include "stream.h"
++
++ namespace embree
++ {
++ /*! simple tokenizer that produces a string stream */
++ class StringStream : public Stream<std::string>
++ {
++ public:
++ StringStream(const Ref<Stream<int> >& cin, const std::string& seps = "\n\t\r ",
++ const std::string& endl = "", bool multiLine = false);
++ public:
++ ParseLocation location() { return cin->loc(); }
++ std::string next();
++ private:
++ __forceinline bool isSeparator(unsigned int c) const { return c<256 && isSepMap[c]; }
++ __forceinline bool isValidChar(unsigned int c) const { return c<256 && isValidCharMap[c]; }
++ private:
++ Ref<Stream<int> > cin; /*! source character stream */
++ bool isSepMap[256]; /*! map for fast classification of separators */
++ bool isValidCharMap[256]; /*! map for valid characters */
++ std::string endl; /*! the token of the end of line */
++ bool multiLine; /*! whether to parse lines wrapped with \ */
++ };
++ }