/usr/include/Poco/StreamTokenizer.h is in libpoco-dev 1.3.6p1-1ubuntu3.
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// StreamTokenizer.h
//
// $Id: //poco/1.3/Foundation/include/Poco/StreamTokenizer.h#1 $
//
// Library: Foundation
// Package: Streams
// Module: StreamTokenizer
//
// Definition of the StreamTokenizer class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#ifndef Foundation_StreamTokenizer_INCLUDED
#define Foundation_StreamTokenizer_INCLUDED
#include "Poco/Foundation.h"
#include "Poco/Token.h"
#include <istream>
#include <vector>
namespace Poco {
class Foundation_API StreamTokenizer
/// A stream tokenizer splits an input stream
/// into a sequence of tokens of different kinds.
/// Various token kinds can be registered with
/// the tokenizer.
{
public:
StreamTokenizer();
/// Creates a StreamTokenizer with no attached stream.
StreamTokenizer(std::istream& istr);
/// Creates a StreamTokenizer with no attached stream.
virtual ~StreamTokenizer();
/// Destroys the StreamTokenizer and deletes all
/// registered tokens.
void attachToStream(std::istream& istr);
/// Attaches the tokenizer to an input stream.
void addToken(Token* pToken);
/// Adds a token class to the tokenizer. The
/// tokenizer takes ownership of the token and
/// deletes it when no longer needed. Comment
/// and whitespace tokens will be marked as
/// ignorable, which means that next() will not
/// return them.
void addToken(Token* pToken, bool ignore);
/// Adds a token class to the tokenizer. The
/// tokenizer takes ownership of the token and
/// deletes it when no longer needed.
/// If ignore is true, the token will be marked
/// as ignorable, which means that next() will
/// not return it.
const Token* next();
/// Extracts the next token from the input stream.
/// Returns a pointer to an EOFToken if there are
/// no more characters to read.
/// Returns a pointer to an InvalidToken if an
/// invalid character is encountered.
/// If a token is marked as ignorable, it will not
/// be returned, and the next token will be
/// examined.
/// Never returns a NULL pointer.
/// You must not delete the token returned by next().
private:
struct TokenInfo
{
Token* pToken;
bool ignore;
};
typedef std::vector<TokenInfo> TokenVec;
TokenVec _tokens;
std::istream* _pIstr;
InvalidToken _invalidToken;
EOFToken _eofToken;
};
} // namespace Poco
#endif // Foundation_StreamTokenizer_INCLUDED
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