3dpcp/.svn/pristine/de/de7d9adb52f500958e65484be2af50ba5d03d8f4.svn-base

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2012-09-16 12:33:11 +00:00
#include "slam6d/io_utils.h"
#include <fstream>
using std::ifstream;
/**
* Parsing of a formats file in the scan directory for default type and scan
* index ranges without overwriting user set parameters. Does nothing if
* file doesn't exist.
*
* @param dir directory the scans and format file are contained in
* @param type which ScanIO to use for the scans in that directory
* @param start index for the first valid scan
* @param end index for the last valid scan
*/
void parseFormatFile(string& dir, WriteOnce<IOType>& type, WriteOnce<int>& start, WriteOnce<int>& end)
{
ifstream file((dir+"format").c_str());
if(!file.good()) return;
string line, key, value, format;
while(getline(file, line)) {
size_t pos = line.find('=');
key = trim(line.substr(0, pos - 0));
value = trim(line.substr(pos+1));
if(key == "format") {
try {
format = value;
type = formatname_to_io_type(format.c_str());
} catch (...) { // runtime_error
cerr << "Error while parsing format file: Format '" << format << "' unknown." << endl;
break;
}
} else if(key == "start") {
stringstream str(value.c_str());
int s;
str >> s;
start = s;
} else if(key == "end") {
stringstream str(value.c_str());
int e;
str >> e;
end = e;
} else {
cerr << "Error while parsing format file: Unknown key '" << key << "'" << endl;
break;
}
}
}