pc-tools/ldc2/src/config.cpp

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