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Diffstat (limited to 'conversion/vff.hh')
| -rw-r--r-- | conversion/vff.hh | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/conversion/vff.hh b/conversion/vff.hh new file mode 100644 index 0000000..f1829b5 --- /dev/null +++ b/conversion/vff.hh @@ -0,0 +1,138 @@ +/* +* This file is part of rasdaman community. +* +* Rasdaman community is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* Rasdaman community is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>. +* +* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann / +rasdaman GmbH. +* +* For more information please see <http://www.rasdaman.org> +* or contact Peter Baumann via <baumann@rasdaman.com>. +/ +/** + * FILE: vff.hh + * + * MODULE: conversion + * + * CLASSES: r_Conv_VFF + * + * COMMENTS: + * + * Provides interface to convert data to VFF and back. + * +*/ + +#ifndef _R_CONV_VFF_HH_ +#define _R_CONV_VFF_HH_ + +#include "conversion/convertor.hh" + + + +//@ManMemo: Module {\bf conversion} + +/*@Doc: + VFF convertor class. + + Supported parameters are + + \begin{tabular}{rcl} + dorder && string && data order to read/write in 3D mode; permutations of "xyz"\\ + dimorder && string && dimension order for vectors (size, origin, ...)\\ + vffendian && int && default endianness, 0 for big endian, 1 for little\\ + \end{tabular} + +*/ + +class r_Conv_VFF : public r_Convertor +{ + public: + /// constructor using an r_Type object + r_Conv_VFF( const char *src, const r_Minterval &interv, const r_Type *tp ) throw(r_Error); + /// constructor using a convert_type_e shortcut + r_Conv_VFF( const char *src, const r_Minterval &interv, int tp ) throw(r_Error); + /// destructor + ~r_Conv_VFF( void ); + + /// convert to VFF + virtual r_convDesc &convertTo( const char *options=NULL ) throw(r_Error); + /// convert from VFF + virtual r_convDesc &convertFrom( const char *options=NULL ) throw(r_Error); + /// cloning + virtual r_Convertor *clone( void ) const; + /// identification + virtual const char *get_name( void ) const; + virtual r_Data_Format get_data_format( void ) const; + + + private: + /// shared init code + void initVFF( void ); + /// skip whitespace when parsing the header + static void skip_white( const char *&str ); + /// read a floating point vector from the header and return pointer to rest + static const char *read_vector( r_Dimension dim, const char *str, double *&vec ); + /// read a string from the header and return pointer to rest + static const char *read_string( const char *str, char *dest, bool allowSpace=0 ); + /// write an interval to a stream + static void write_interval( const char *keyname, std::ostream &str, const r_Minterval &iv, + const unsigned int *order, r_Range inc=0 ); + /// write an origin to a stream + static void write_origin( const char *keyname, std::ostream &str, const r_Minterval &iv, + const unsigned int *order ); + /// get the VFF-endian id for the host machine's + static const char *get_endian_id( void ); + /// parse data order string, revert to default if failed + static int parse_data_order( r_Dimension dim, const char *dstr, unsigned int *order ); + /// get default data order for a dimensionality + static const char *get_default_order( r_Dimension dim ); + /// get default dimension order for a dimensionality + static const char *get_default_dim_order( r_Dimension dim ); + + /// get dimension order in newly allocated array + unsigned int *get_dimension_order( r_Dimension dim ) const; + /// get the default endianness + const char *get_default_endianness( void ) const; + + /// data order parameter + char *dorderParam; + /// dimension order parameter + char *dimOrderParam; + /// default endianness parameter + int dfltEndianness; + + /// identifier (ncaa) in header + static const char *fileMagic; + /// keyword names + static const char *keywords[]; + /// special key values + static const char *kval_Raster; + static const char *kval_Slice; + static const char *kval_LEndian; + static const char *kval_BEndian; + /// default data order for 2D/3D + static const char *dfltDataOrder2; + static const char *dfltDataOrder3; + /// default dimension order fo 2D/3D + static const char *dfltDimOrder2; + static const char *dfltDimOrder3; + /// end-of-header marker + static const char endOfHeader; + /// name of convertTo() method + static const char *method_convTo; + /// name of convertFrom() method + static const char *method_convFrom; +}; + +#endif |