| 77 | } |
| 78 | |
| 79 | static CommandLine |
| 80 | ParseCommandLine(int argc, char **argv) |
| 81 | { |
| 82 | CommandLine c; |
| 83 | |
| 84 | OptionParser option_parser(option_defs, argc, argv); |
| 85 | while (auto o = option_parser.Next()) { |
| 86 | switch (Option(o.index)) { |
| 87 | case OPTION_CONFIG: |
| 88 | c.config_path = o.value; |
| 89 | break; |
| 90 | |
| 91 | case OPTION_VERBOSE: |
| 92 | c.verbose = true; |
| 93 | break; |
| 94 | |
| 95 | case OPTION_SCAN: |
| 96 | c.scan = true; |
| 97 | break; |
| 98 | |
| 99 | case OPTION_SEEK: |
| 100 | c.seek = ParseSize(o.value); |
| 101 | break; |
| 102 | |
| 103 | case OPTION_CHUNK_SIZE: |
| 104 | c.chunk_size = ParseSize(o.value); |
| 105 | if (c.chunk_size <= 0 || c.chunk_size > MAX_CHUNK_SIZE) |
| 106 | throw std::runtime_error("Invalid chunk size"); |
| 107 | break; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | auto args = option_parser.GetRemaining(); |
| 112 | if (args.size() != 1) |
| 113 | throw std::runtime_error("Usage: run_input [--verbose] [--config=FILE] [--scan] [--chunk-size=BYTES] URI"); |
| 114 | |
| 115 | c.uri = args.front(); |
| 116 | return c; |
| 117 | } |
| 118 | |
| 119 | class GlobalInit { |
| 120 | const ConfigData config; |