core/vnl/io/vnl_io_vector_fixed.txx Source File

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00001 // This is core/vnl/io/vnl_io_vector_fixed.txx
00002 #ifndef vnl_io_vector_fixed_txx_
00003 #define vnl_io_vector_fixed_txx_
00004 //:
00005 // \file
00006 
00007 #include "vnl_io_vector_fixed.h"
00008 #include <vsl/vsl_binary_io.h>
00009 #include <vsl/vsl_b_read_block_old.h>
00010 #include <vsl/vsl_block_binary.h>
00011 
00012 //=================================================================================
00013 //: Binary save self to stream.
00014 template<class T, unsigned int n>
00015 void vsl_b_write(vsl_b_ostream & os, const vnl_vector_fixed<T,n> & p)
00016 {
00017   const short io_version_no = 2;
00018   vsl_b_write(os, io_version_no);
00019   vsl_b_write(os, p.size());
00020   if (p.size())
00021     vsl_block_binary_write(os, p.data_block(), p.size());
00022 }
00023 
00024 //=================================================================================
00025 //: Binary load self from stream.
00026 template<class T, unsigned int n>
00027 void vsl_b_read(vsl_b_istream &is, vnl_vector_fixed<T,n> & p)
00028 {
00029   if (!is) return;
00030 
00031   short ver;
00032   unsigned stream_n;
00033   vsl_b_read(is, ver);
00034   switch (ver)
00035   {
00036    case 1:
00037     vsl_b_read(is, stream_n);
00038     if ( n == stream_n ) {
00039       vsl_b_read_block_old(is, p.begin(), n);
00040     } else {
00041       vcl_cerr << "I/O ERROR: vsl_b_read(vsl_b_istream&, vnl_vector_fixed<T,n>&)\n"
00042                << "           Expected n="<<n<<", got "<<stream_n<<'\n';
00043       is.is().clear(vcl_ios::badbit); // Set an unrecoverable IO error on stream
00044       return;
00045     }
00046     break;
00047 
00048    case 2:
00049     vsl_b_read(is, stream_n);
00050     if ( n == stream_n ) {
00051       vsl_block_binary_read(is, p.data_block(), n);
00052     } else {
00053       vcl_cerr << "I/O ERROR: vsl_b_read(vsl_b_istream&, vnl_vector_fixed<T,n>&)\n"
00054                << "           Expected n="<<n<<", got "<<stream_n<<'\n';
00055       is.is().clear(vcl_ios::badbit); // Set an unrecoverable IO error on stream
00056       return;
00057     }
00058     break;
00059 
00060    default:
00061     vcl_cerr << "I/O ERROR: vsl_b_read(vsl_b_istream&, vnl_vector_fixed<T,n>&)\n"
00062              << "           Unknown version number "<< ver << '\n';
00063     is.is().clear(vcl_ios::badbit); // Set an unrecoverable IO error on stream
00064     return;
00065   }
00066 }
00067 
00068 //====================================================================================
00069 //: Output a human readable summary to the stream
00070 template<class T, unsigned int n>
00071 void vsl_print_summary(vcl_ostream & os,const vnl_vector_fixed<T,n> & p)
00072 {
00073   os<<"Len: "<<p.size()<<" [fixed] (";
00074   for ( unsigned int i =0; i < p.size() && i < 5; ++i )
00075     os << p(i) <<' ';
00076   if (p.size() > 5) os << " ...";
00077   os << ')';
00078 }
00079 
00080 #define VNL_IO_VECTOR_FIXED_INSTANTIATE(T,n) \
00081 template void vsl_print_summary(vcl_ostream &, const vnl_vector_fixed<T,n > &); \
00082 template void vsl_b_read(vsl_b_istream &, vnl_vector_fixed<T,n > &); \
00083 template void vsl_b_write(vsl_b_ostream &, const vnl_vector_fixed<T,n > &)
00084 
00085 #endif // vnl_io_vector_fixed_txx_