37 lines
1 KiB
Text
37 lines
1 KiB
Text
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/**
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* @file
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* @brief tools for file format processing
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* @author Andreas Nuechter. Jacobs University Bremen gGmbH, Germany.
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* @author Thomas Escher. Institute of Computer Science, University of Osnabrueck, Germany.
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*/
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#ifndef __IO_UTILS_H__
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#define __IO_UTILS_H__
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#include "slam6d/io_types.h"
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#include "slam6d/globals.icc"
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#include <string>
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using std::string;
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using std::cerr;
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/**
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* Make type, start and end a write once only class for parseFormatFile because
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* we know the directory only after the type, start and end parameters may have
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* been written already, so encapsulate this write once behaviour in this class.
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*/
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template<typename T>
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class WriteOnce {
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public:
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WriteOnce(T& value) : value(value), written(false) {}
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WriteOnce& operator=(const T& other) { if(!written) { value = other; written = true; } return *this; }
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operator T() const { return value; }
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private:
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T& value;
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bool written;
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};
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void parseFormatFile(string& dir, WriteOnce<IOType>& type, WriteOnce<int>& start, WriteOnce<int>& end);
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#endif
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