Extent::Ptr RowAnalysisModule::getSharedExtent() {
Extent::Ptr e = source.getSharedExtent();
if (e == NULL) {
completeProcessing();
return e;
}
if (!prepared) {
firstExtent(*e);
}
newExtentHook(*e);
series.setExtent(e);
if (!prepared) {
prepareForProcessing();
prepared = true;
if (!where_expr_str.empty()) {
where_expr = DSExpr::make(series, where_expr_str);
}
}
for (;series.morerecords();++series) {
if (!where_expr || where_expr->valBool()) {
++processed_rows;
processRow();
} else {
++ignored_rows;
}
}
series.clearExtent();
return e;
}
void parse(
ObjFilePtr* file,
const char* filename
)
{
// expect the worst
*file = NULL;
char fullname[MAX_STRING_LENGTH];
/* if a path was given include it in the full file name */
if (path == NULL)
{
strcpy(fullname, filename);
}
else
{
fullname[0] = '\0';
strcat(fullname, path);
int len = strlen(fullname);
if (fullname[len - 1] != '/')
{
fullname[len] = '/';
fullname[len + 1] = '\0';
}
strcat(fullname, filename);
}
// open the .obj file
FILE* f;
f = fopen(fullname, "r");
if (NULL == f)
{
return;
}
// create the ObjFile object.
ObjFile* objFile = createObjFile(filename);
if (NULL == objFile)
{
return;
}
// get neccessary information about the file
// until the end of the file, read the file in line by line
char line[MAX_STRING_LENGTH];
while (NULL != fgets(line, MAX_STRING_LENGTH, f))
{
updateFileInfo(objFile, line);
}
// alloc memory for positions, normals, texcoords, groups, faces and objects // TODO: check if all allocations
// succeed
objFile->positions = (ObjVector3F*)malloc(
sizeof(ObjVector3F)*(objFile->numPositions + 1)
);
objFile->normals = (ObjVector3F*)malloc(
sizeof(ObjVector3F)*(objFile->numNormals + 1)
);
objFile->texCoords = (ObjVector2F*)malloc(
sizeof(ObjVector2F)*(objFile->numTexCoords + 1)
);
if (objFile->numFaces)
{
objFile->faces = (ObjFace*)malloc(sizeof(ObjFace)*objFile->numFaces);
}
objFile->objects = (ObjObject*)malloc(
sizeof(ObjObject)*(objFile->numObjects + 1)
);
objFile->groups = (ObjGroup*)malloc(
sizeof(ObjGroup)*(objFile->numObjects + 1 + objFile->numGroups)
);
// once again iterate through the file and copy the data
rewind(f);
prepareForProcessing(objFile);
while (NULL != fgets(line, MAX_STRING_LENGTH, f))
{
updateFile(objFile, line);
}
// clean up
fclose(f);
// return result
*file = objFile;
}
