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igl/external/embree/tutorials/common/lexers/stringstream.h
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// ======================================================================== //
// Copyright 2009-2014 Intel Corporation //
// //
// Licensed under the Apache License, Version 2.0 (the "License"); //
// you may not use this file except in compliance with the License. //
// You may obtain a copy of the License at //
// //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
// Unless required by applicable law or agreed to in writing, software //
// distributed under the License is distributed on an "AS IS" BASIS, //
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
// See the License for the specific language governing permissions and //
// limitations under the License. //
// ======================================================================== //
#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(int c) const { return isSepMap[c]; }
private:
Ref<Stream<int> > cin; /*! source character stream */
bool isSepMap[256]; /*! map for fast classification of separators */
std::string endl; /*! the token of the end of line */
bool multiLine; /*! whether to parse lines wrapped with \ */
};
}