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125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
#ifndef GRID_SERIALISATION_BINARY_READER_H
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#define GRID_SERIALISATION_BINARY_READER_H
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <sstream>
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#include <math.h>
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#include <vector>
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#include <cassert>
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namespace Grid {
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class BinaryWriter {
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private:
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std::ofstream file;
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public:
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BinaryWriter(const std::string &_file) : file(_file,std::ios::binary|std::ios::out) {}
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~BinaryWriter() {}
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// Binary is scopeless
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void push(const std::string &s) {}
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void pop(void) {}
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void iwrite(const std::string& s,const std::string &output) {
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uint32_t sz = output.size();
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iwrite(s,sz);
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const char * cstr = output.c_str();
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for(int c=0;c<output.size();c++){
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iwrite(s,cstr[c]);
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}
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};
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void iwrite( const std::string& s, char output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, int16_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, uint16_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, int32_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, uint32_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, int64_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, uint64_t output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, float output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, double output ) { writeInternal(s,output); };
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void iwrite( const std::string& s, bool output ) { writeInternal(s,output); };
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private:
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template<class T> void writeInternal( const std::string& s, T output ){
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// FIXME --- htons, htonl, htno64 etc..
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file.write((char *)&output,sizeof(T));
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}
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};
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class BinaryReader {
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private:
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std::ifstream file;
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public:
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BinaryReader(const std::string &_file) : file(_file,std::ios::binary|std::ios::in) {}
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~BinaryReader() {}
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// Binary is scopeless
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void push(const std::string &s) { }
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void pop(void) { }
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void iread( const std::string& s,std::string &output ) {
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output.clear();
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uint32_t sz;
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file.read((char *)&sz,sizeof(sz));
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for(int c=0;c<sz;c++){
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char ch;
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file.read(&ch,sizeof(ch));
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output.push_back(ch);
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}
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};
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template<class T> void iread( const std::string& s, std::vector<T> &output ) {
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T tmp;
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uint64_t n;
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iread("N",n);
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output.resize(0);
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for(int i=0;i<n;i++){
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std::ostringstream oss; oss << "elem" << i;
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read(*this,oss.str(),tmp);
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output.push_back(tmp);
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}
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};
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void iread( const std::string& s, int16_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, uint16_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, int32_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, uint32_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, int64_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, uint64_t &output ) { readInternal(s,output); };
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void iread( const std::string& s, float &output ) { readInternal(s,output); };
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void iread( const std::string& s, double &output ) { readInternal(s,output); };
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void iread( const std::string& s, bool &output ) { readInternal(s,output); };
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private:
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template<class T> void readInternal( const std::string& path, T &output ){
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file.read((char *)&output,sizeof(output)); // byte order??
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}
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};
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}
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#endif
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