pc-tools/ldc2/src/config.cpp

   1 /******************************************************************************
   2  *
   3  * LDC2 source code
   4  *
   5  * $Date: 2007/12/23 15:25:11 $
   6  * $Author: hachti $
   7  *
   8  * $Log: config.cpp,v $
   9  * Revision 2.1  2007/12/23 15:25:11  hachti
  10  * *** empty log message ***
  11  *
  12  * Revision 2.0  2007-03-26 01:00:38  hachti
  13  * *** empty log message ***
  14  *
  15  *
  16  ******************************************************************************/
  17
  18 /*
  19  * Program configuration management
  20  */
  21
  22 #include <vector>
  23 #include <string>
  24
  25 #include <stdio.h>
  26 #include <unistd.h>
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <fcntl.h>
  30
  31 #include "configuration_manager.hh"
  32 #include "tool.hh"
  33
  34 /* Global configuration data */
  35 string cfg_infile;
  36 string cfg_outfile;
  37 int cfg_infile_set=0;
  38 int cfg_outfile_set=0;
  39 int cfg_config_file_set=0;
  40
  41 int cfg_do_help=0;
  42 int cfg_output_info=0;
  43 int cfg_output_called=0;
  44 int cfg_output_exported=0;
  45 int cfg_output_unsatisfied=0;
  46 int cfg_split_objects=0;
  47 int cfg_split_objects_numbered=0;
  48 int cfg_split_blocks=0;
  49 int cfg_ignore_block_errors=0;
  50 int cfg_ignore_checksum_errors=0;
  51 //int cfg_pause_on_checksum_error=0;
  52 int cfg_ignore_unknown_block_errors=0;
  53 int cfg_ignore_object_integrity_errors=0;
  54 int cfg_list_contents=1;
  55 int cfg_verbose=0;
  56 int cfg_quiet=0;
  57 int cfg_dump_block_contents=0;
  58
  59 int cfg_version=0;
  60
  61 int in_fd=0;  //! File descriptor for data input
  62 int out_fd=1; //! File descriptor for text output
  63
  64 void do_config(int argc, char ** args){
  65
  66   string cfg_config_file;
  67   configuration_manager ar("ldc2");
  68
  69   /* Here come the configuration switches */
  70   ar.add_option_switch("h","help",
  71                        "Output this help text and exit.",
  72                        &cfg_do_help,false,true);
  73
  74   ar.add_option_switch("a","output_info",
  75                        "Print tape data information",
  76                        &cfg_output_info,true,true);
  77
  78   ar.add_option_switch("c","output_called",
  79                        "Print all called symbols from the object(s).",
  80                        &cfg_output_called,true,true);
  81
  82   ar.add_option_switch("d","dump_block_contents",
  83                        "Dump block contents",
  84                        &cfg_dump_block_contents,true,true);
  85
  86   ar.add_option_switch("e","output_exported",
  87                        "Print all exported symbols from the object(s).",
  88                        &cfg_output_exported,true,true);
  89
  90   ar.add_option_switch("u","output_unsatisfied",
  91                        "List all unsatisfied symbols.",
  92                        &cfg_output_unsatisfied,true,true);
  93
  94   ar.add_option_switch("s","split_objects",
  95                        "Split input data into distinct object files.",
  96                        &cfg_split_objects,true,true);
  97
  98   ar.add_option_switch("S","split_objects_numbered",
  99                        "Split input data into distinct numbered files",
 100                        &cfg_split_objects_numbered,true,true);
 101
 102   ar.add_option_switch("B","split_blocks",
 103                        "Split tape into named and numbered block files",
 104                        &cfg_split_blocks,true,true);
 105
 106   ar.add_option_switch("b","ignore_block_errors",
 107                        "Ignore block integrity errors. This will output broken blocks,too",
 108                        &cfg_ignore_block_errors,true,true);
 109
 110   ar.add_option_switch("k","ignore_checksum_errors",
 111                        "Ignore block checksum errors. Errors will be converted to warnings.",
 112                        &cfg_ignore_checksum_errors,true,true);
 113
 114 //   ar.add_option_switch("p","pause_on_checksum_error",
 115 //                     "Wait for user input on checksum error.",
 116 //                     &cfg_pause_on_checksum_error,true,true);
 117
 118   ar.add_option_switch("n","ignore_unknown_block_errors",
 119                        "Ignore errors caused by unknown block types. Errors will be converted to warnings.",
 120                        &cfg_ignore_unknown_block_errors,true,true);
 121
 122   ar.add_option_switch("g","ignore_object_integrity_errors",
 123                        "Ignore errors caused by objects without proper end block. \
 124 Errors will be converted to warnings.",
 125                        &cfg_ignore_object_integrity_errors,true,true);
 126
 127   ar.add_option_switch("v","verbose",
 128                        "Be a bit more verbose. This overrides -q.",
 129                        &cfg_verbose,true,true);
 130
 131   ar.add_option_switch("q","quiet",
 132                        "Be quiet. All warning messages are suppressed.",
 133                        &cfg_quiet,true,true);
 134
 135   ar.add_option_switch("V","version",
 136                        "Output version information and exit.",
 137                        &cfg_version,false,true);
 138
 139   ar.add_option_value("i","in_file",
 140                       "specify input file",
 141                   &cfg_infile_set,&cfg_infile,
 142                       "<input-file>",true,false);
 143
 144   ar.add_option_value("o","out_file",
 145                       "Specify output file.",
 146                       &cfg_outfile_set,&cfg_outfile,
 147                       "<output_file>",true,true);
 148
 149   ar.add_argument("File from where data is read",
 150                   &cfg_infile_set,&cfg_infile,
 151                   "<input-file>");
 152
 153   ar.add_argument("File to where output is redirected",
 154                   &cfg_outfile_set,&cfg_outfile,
 155                   "<output-file>");
 156
 157   ar.add_option_value("F","cfg_config_file",
 158                       "Use the specified configuration file.",
 159                       &cfg_config_file_set,&cfg_config_file,
 160                       "<file-name>",false,true);
 161
 162
 163   // If there's a config file mentioned in the environment, take it!
 164   char * env_ldc_config=getenv("LDC_CONFIG");
 165   if(env_ldc_config){
 166     if (cfg_verbose) fprintf(stderr,"Using config file: \"%s\"\n",env_ldc_config);
 167     if(dump_vector_fp(ar.read_file(env_ldc_config),stderr)){
 168       dump_vector_fp(ar.get_help(),stderr);
 169       exit(1);
 170     }
 171   }
 172
 173   // Process command line first time
 174   if(dump_vector_fp(ar.read_args(argc,args),stderr)){
 175     dump_vector_fp(ar.get_help(),stderr);
 176     exit(7);
 177   }
 178
 179   if (cfg_do_help) {
 180     dump_vector_fp(ar.get_help(),stderr);
 181     exit(0);
 182   }
 183
 184   // If user has a config file, use it.
 185   if (cfg_config_file_set){
 186     if (cfg_verbose)
 187       fprintf(stderr,"Using config file: \"%s\"\n",cfg_config_file.c_str());
 188     if(dump_vector_fp(ar.read_file(cfg_config_file),stderr)){
 189       dump_vector_fp(ar.get_help(),stderr);
 190       exit(7);
 191     }
 192
 193     // Process command line a second time to override values from config file.
 194     if(dump_vector_fp(ar.read_args(argc,args),stderr)||cfg_do_help){
 195       dump_vector_fp(ar.get_help(),stderr);
 196       exit(7);
 197     }
 198   }
 199
 200   if (cfg_infile_set==1){
 201     if (cfg_verbose)
 202       fprintf(stderr,"Opening file for input: \"%s\"\n",cfg_infile.c_str());
 203     in_fd=open(cfg_infile.c_str(),O_RDONLY);
 204     if (in_fd<0){
 205       fprintf(stderr,"Error: could not open file \"%s\" for reading!\n",
 206               cfg_infile.c_str());
 207       exit (1);
 208     }
 209   }
 210
 211   if (cfg_outfile_set==1){
 212     if (cfg_verbose)
 213       fprintf(stderr,"Opening file for output: \"%s\"\n",cfg_outfile.c_str());
 214     out_fd=open(cfg_outfile.c_str(),O_CREAT|O_WRONLY|O_TRUNC,0666);
 215     if (out_fd<0){
 216       fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
 217               cfg_outfile.c_str());
 218       exit (1);
 219     }
 220   }
 221
 222   // Verbose overrides quiet:
 223   if (cfg_verbose)cfg_quiet=0;
 224
 225   // The configuration implications according to /cfg007/
 226   //  if (in_fd==0) cfg_pause_on_checksum_error=0;
 227   // if (cfg_pause_on_checksum_error==1) cfg_ignore_checksum_errors=1;
 228
 229   if (cfg_output_info||cfg_output_called||cfg_output_exported||
 230       cfg_output_unsatisfied) cfg_list_contents=0;
 231 }
 232
 233