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30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "stream.h"
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namespace embree
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{
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/*! simple tokenizer that produces a string stream */
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class StringStream : public Stream<std::string>
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{
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public:
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StringStream(const Ref<Stream<int> >& cin, const std::string& seps = "\n\t\r ",
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const std::string& endl = "", bool multiLine = false);
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public:
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ParseLocation location() { return cin->loc(); }
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std::string next();
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private:
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__forceinline bool isSeparator(unsigned int c) const { return c<256 && isSepMap[c]; }
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__forceinline bool isValidChar(unsigned int c) const { return c<256 && isValidCharMap[c]; }
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private:
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Ref<Stream<int> > cin; /*! source character stream */
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bool isSepMap[256]; /*! map for fast classification of separators */
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bool isValidCharMap[256]; /*! map for valid characters */
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std::string endl; /*! the token of the end of line */
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bool multiLine; /*! whether to parse lines wrapped with \ */
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};
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}
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