Tide 0.1.0

float_element.h

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00001 /* Tide
00002  *
00003  * Header file for the float element object.
00004  *
00005  * Copyright 2011 Geoffrey Biggs geoffrey.biggs@aist.go.jp
00006  *     RT-Synthesis Research Group
00007  *     Intelligent Systems Research Institute,
00008  *     National Institute of Advanced Industrial Science and Technology (AIST),
00009  *     Japan
00010  *     All rights reserved.
00011  *
00012  * This file is part of Tide.
00013  *
00014  * Tide is free software; you can redistribute it and/or modify it under
00015  * the terms of the GNU Lesser General Public License as published by
00016  * the Free Software Foundation; either version 2.1 of the License, or
00017  * (at your option) any later version.
00018  *
00019  * Tide is distributed in the hope that it will be useful, but WITHOUT
00020  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00021  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00022  * License for more details.
00023  *
00024  * You should have received a copy of the GNU Lesser General Public
00025  * License along with Tide. If not, see <http://www.gnu.org/licenses/>.
00026  */
00027 
00028 #if !defined(TIDE_FLOAT_ELEMENT_H_)
00029 #define TIDE_FLOAT_ELEMENT_H_
00030 
00031 #include <tide/prim_element.h>
00032 #include <tide/win_dll.h>
00033 
00036 
00037 namespace tide
00038 {
00040     enum EBMLFloatPrec
00041     {
00043         EBML_FLOAT_PREC_SINGLE,
00045         EBML_FLOAT_PREC_DOUBLE
00046     };
00047 
00053     class TIDE_EXPORT FloatElement : public PrimitiveElement<double>
00054     {
00055         public:
00064             FloatElement(uint32_t id, double value,
00065                     EBMLFloatPrec precision=EBML_FLOAT_PREC_DOUBLE);
00066 
00076             FloatElement(uint32_t id, double value, double default_value,
00077                     EBMLFloatPrec precision=EBML_FLOAT_PREC_DOUBLE);
00078 
00080             virtual FloatElement& operator=(double const& rhs);
00081 
00083             virtual EBMLFloatPrec precision() const { return prec_; }
00092             virtual void precision(EBMLFloatPrec precision)
00093             { prec_ = precision; }
00094 
00096             virtual std::streamsize write_body(std::ostream& output);
00097 
00098         protected:
00099             EBMLFloatPrec prec_;
00100 
00102             virtual std::streamsize body_size() const;
00103 
00109             virtual std::streamsize read_body(std::istream& input,
00110                     std::streamsize size);
00111     }; // class FloatElement
00112 }; // namespace tide
00113 
00115 // group implementations
00116 
00117 #endif // TIDE_FLOAT_ELEMENT_H_
00118 
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