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