| 14 | WireParser::WireParser() : m_dim(0) { } |
| 15 | |
| 16 | void WireParser::parse(const std::string& filename) { |
| 17 | reset(); |
| 18 | std::ifstream fin(filename.c_str()); |
| 19 | if (!fin.is_open()) { |
| 20 | std::stringstream err_msg; |
| 21 | err_msg << "Failed to open " << filename; |
| 22 | throw IOError(err_msg.str()); |
| 23 | } |
| 24 | |
| 25 | const size_t LINE_SIZE = 256; |
| 26 | char line[LINE_SIZE]; |
| 27 | bool success; |
| 28 | |
| 29 | while (!fin.eof()) { |
| 30 | fin.getline(line, LINE_SIZE); |
| 31 | switch (line[0]) { |
| 32 | case 'v': |
| 33 | success = parse_vertex_line(line); |
| 34 | break; |
| 35 | case 'l': |
| 36 | success = parse_edge_line(line); |
| 37 | break; |
| 38 | default: |
| 39 | // Ignore other lines by default. |
| 40 | success = true; |
| 41 | break; |
| 42 | } |
| 43 | if (!success) { |
| 44 | std::stringstream err_msg; |
| 45 | err_msg << "Error parsing line: \"" << line << "\""; |
| 46 | throw IOError(err_msg.str()); |
| 47 | } |
| 48 | } |
| 49 | fin.close(); |
| 50 | } |
| 51 | |
| 52 | void WireParser::export_vertices(Float* buffer) const { |
| 53 | size_t i=0; |