2011-09-25 09:53:22 +00:00
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/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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/********************************************************************************
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* *
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* Reads a file in chunks of BUF_SIZE and provides functions to access its *
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* contents randomly and character by character *
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* *
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********************************************************************************/
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#ifndef IFCFILE_H
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#define IFCFILE_H
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#include <fstream>
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#include <string>
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const int BUF_SIZE = (32 * 1024 * 1024);
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namespace IfcParse {
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class File {
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private:
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std::ifstream stream;
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char* buffer;
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unsigned int ptr;
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unsigned int len;
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unsigned int offset;
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void ReadBuffer(bool inc=true);
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bool paging;
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public:
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bool valid;
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bool eof;
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unsigned int size;
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File(const std::string& fn);
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File(std::istream& f, int len);
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2011-10-27 16:13:29 +00:00
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File(void* data, int len);
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2011-09-25 09:53:22 +00:00
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char Peek();
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char Read(unsigned int offset);
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void Inc();
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void Close();
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void Seek(unsigned int offset);
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unsigned int Tell();
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};
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}
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#endif
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