unsigned
FlarmNetReader::LoadFile(NLineReader &reader, FlarmDatabase &database)
{
/* skip first line */
const char *line = reader.read();
if (line == NULL)
return 0;
int itemCount = 0;
while ((line = reader.read()) != NULL) {
FlarmRecord record;
if (LoadRecord(record, line)) {
database.Insert(record);
itemCount++;
}
}
return itemCount;
}
unsigned
FLARMNetDatabase::LoadFile(NLineReader &reader)
{
/* skip first line */
const char *line = reader.read();
if (line == NULL)
return 0;
int itemCount = 0;
while ((line = reader.read()) != NULL) {
FLARMNetRecord *record = new FLARMNetRecord;
LoadRecord(line, record);
insert(value_type(record->GetId(), record));
itemCount++;
};
return itemCount;
}
void
TopographyStore::Load(OperationEnvironment &operation, NLineReader &reader,
const TCHAR *directory, struct zzip_dir *zdir)
{
Reset();
// Create buffer for the shape filenames
// (shape_filename will be modified with the shape_filename_end pointer)
char shape_filename[MAX_PATH];
if (directory != NULL) {
const WideToACPConverter narrow_directory(directory);
strcpy(shape_filename, narrow_directory);
strcat(shape_filename, DIR_SEPARATOR_S);
} else
shape_filename[0] = 0;
char *shape_filename_end = shape_filename + strlen(shape_filename);
// Read file size to have a rough progress estimate for the progress bar
long filesize = std::max(reader.size(), 1l);
// Set progress bar to 100 steps
operation.SetProgressRange(100);
// Iterate through shape files in the "topology.tpl" file until
// end or max. file number reached
char *line;
while (!files.full() && (line = reader.read()) != NULL) {
// Line format: filename,range,icon,field,r,g,b,pen_width,label_range,important_range
// Ignore comments (lines starting with *) and empty lines
if (StringIsEmpty(line) || line[0] == '*')
continue;
// Find first comma to extract shape filename
char *p = strchr(line, ',');
if (p == NULL || p == line)
// If no comma was found -> ignore this line/shapefile
continue;
if (HasLittleMemory()) {
/* hard-coded blacklist for huge files on PPC2000; those
devices usually have very little memory */
// Null-terminate the line string after the first comma
// for strcmp() calls in IsHugeTopographyFile() function
*p = 0;
// Skip large topography files
if (IsHugeTopographyFile(line))
continue;
}
// Extract filename and append it to the shape_filename buffer
memcpy(shape_filename_end, line, p - line);
// Append ".shp" file extension to the shape_filename buffer
strcpy(shape_filename_end + (p - line), ".shp");
// Parse shape range
fixed shape_range = fixed(strtod(p + 1, &p)) * 1000;
if (*p != _T(','))
continue;
// Parse shape icon id
long shape_icon = strtol(p + 1, &p, 10);
if (*p != _T(','))
continue;
// Parse shape field for text display
long shape_field = strtol(p + 1, &p, 10) - 1;
if (*p != _T(','))
continue;
// Parse red component of line / shading colour
uint8_t red = (uint8_t)strtol(p + 1, &p, 10);
if (*p != _T(','))
continue;
// Parse green component of line / shading colour
uint8_t green = (uint8_t)strtol(p + 1, &p, 10);
if (*p != _T(','))
continue;
// Parse blue component of line / shading colour
uint8_t blue = (uint8_t)strtol(p + 1, &p, 10);
// Parse pen width of lines
int pen_width=1;
if (*p == _T(',')) {
pen_width = strtol(p + 1, &p, 10);
if (pen_width<0)
pen_width=1;
else if (pen_width>31)
pen_width=31;
}
// Parse range for displaying labels
fixed label_range = shape_range;
if (*p == _T(','))
label_range = fixed(strtod(p + 1, &p)) * 1000;
// Parse range for displaying labels with "important" rendering style
fixed labelImportantRange = fixed_zero;
if (*p == _T(','))
labelImportantRange = fixed(strtod(p + 1, &p)) * 1000;
// Create TopographyFile instance from parsed line
TopographyFile *file = new TopographyFile(zdir, shape_filename,
shape_range, label_range,
labelImportantRange,
Color(red, green, blue),
shape_field, shape_icon,
pen_width);
if (file->IsEmpty())
// If the shape file could not be read -> skip this line/file
delete file;
else
// .. otherwise append it to our list of shape files
files.append(file);
// Update progress bar
operation.SetProgressPosition((reader.tell() * 100) / filesize);
}
}
