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#include <stdio.h>
#include <string.h>
#include "Reader.hh"
AttribInfoGroup::AttribInfoGroup(IOdataset *ds):dataset(ds){
nilattrib.name[0]='\0';
nilattrib.datatype=IObase::Error;
nilattrib.nelements=0;
}
AttributeInfo &AttribInfoGroup::operator[](char *name){
for(int i=0;i<attribs.getSize();i++){
if(!strcmp((*this)[i].name,name)){
return attribs[i];
}
}
return nilattrib;
}
AttribInfoGroup::AttribInfoGroup(AttribInfoGroup &src){
//printf("AttribInfoGroup: copy constructor nattribs=%u\n",src.attribs.getSize());
nilattrib=src.nilattrib;
attribs=src.attribs;
dataset=src.dataset;
}
AttribInfoGroup &AttribInfoGroup::operator=(AttribInfoGroup &src){
//puts("AttribInfo = operator");
if(&src==this) return *this;
//printf("\tAttribInfoGroup: nattribs=%u\n",src.attribs.getSize());
nilattrib=src.nilattrib;
attribs=src.attribs;
dataset=src.dataset;
return *this;
}
int AttributeInfo::read(void *data){
return dataset->readAttribute(index,data);
}
void IOdataset::update(){
int i;
// read values
file.seek(index);
file.readInfo(datatype,rank,dims);
typesize=IObase::sizeOf(datatype);
for(i=0,nelements=1;i<rank;i++) nelements*=dims[i];
nbytes=nelements*typesize;
annotation.setSize(nannotations=file.nAnnotations());
attribute.setSize(nattributes=file.nAttributes());
for(i=0;i<file.nAnnotations();i++){
file.readAnnotationInfo(i,annotation[i].length);
}
for(i=0;i<file.nAttributes();i++){
file.readAttributeInfo(i,
attribute[i].name,
attribute[i].datatype,
attribute[i].nelements,
127);
}
}
IOdataset::IOdataset(IObase &infile,int idx):file(infile),index(idx),attribute(this){
//puts("IOdataset constructor");
update();
// printf("\tIOdataset nattribs=%u:%u\n",attribute.getSize(),nattributes);
}
IOdataset::IOdataset(IOdataset &src):file(src.file),attribute(this){
//printf("\tIOdataset: copy constructor start nattribs=%u:%u\n",src.attribute.getSize(),src.nattributes);
index=src.index;
datatype=src.datatype;
rank=src.rank;
for(int i=0;i<rank;i++) dims[i]=src.dims[i];
nannotations=src.nannotations;
annotation=src.annotation;
nattributes=src.nattributes;
attribute=src.attribute;
nbytes=src.nbytes;
nelements=src.nelements;
typesize=src.typesize;
// printf("\tIOdataset: copy constructor end nattribs=%u:%u\n",attribute.getSize(),nattributes);
}
IOdataset &IOdataset::operator=(IOdataset &src){
//puts("IOdataset = operator");
if(&src==this) return *this;
//printf("\tIOdataset: = operator start nattribs=%u:%u\n",src.attribute.getSize(),src.nattributes);
file=src.file;
index=src.index;
datatype=src.datatype;
rank=src.rank;
for(int i=0;i<rank;i++) dims[i]=src.dims[i];
nannotations=src.nannotations;
annotation=src.annotation;
nattributes=src.nattributes;
attribute=src.attribute;
nbytes=src.nbytes;
nelements=src.nelements;
typesize=src.typesize;
//printf("\tIOdataset: = operator end nattribs=%u:%u\n",attribute.getSize(),nattributes);
return *this;
}
int IOdataset::readAttribute(int i,void *data){
file.seek(index);
file.readInfo(datatype,rank,dims);
return file.readAttribute(i,data);
}
int IOdataset::attributeIndex(char *name){
for(int i=0;i<attribute.getSize();i++){
if(!strcmp(attribute[i].name,name)){
return i;
}
}
return -1; // failed
}
int IOdataset::read(void *data){
file.seek(index);
file.readInfo(datatype,rank,dims);
return file.read(data);
}
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