pc-tools/ldc2/src/config.cpp

   1 /******************************************************************************
   2  *
   3  * LDC2 source code
   4  *
   5  * $Date: 2008/08/25 21:02:24 $
   6  * $Author: hachti $
   7  *
   8  * $Log: config.cpp,v $
   9  * Revision 2.2  2008/08/25 21:02:24  hachti
  10  * *** empty log message ***
  11  *
  12  * Revision 2.1  2007-12-23 15:25:11  hachti
  13  * *** empty log message ***
  14  *
  15  * Revision 2.0  2007-03-26 01:00:38  hachti
  16  * *** empty log message ***
  17  *
  18  *
  19  ******************************************************************************/
  20
  21 /*
  22  * Program configuration management
  23  */
  24
  25 #include <vector>
  26 #include <string>
  27
  28 #include <stdio.h>
  29 #include <unistd.h>
  30 #include <stdlib.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <fcntl.h>
  34
  35 #include "configuration_manager.hh"
  36 #include "tool.hh"
  37
  38 /* Global configuration data */
  39 string cfg_infile;
  40 string cfg_outfile;
  41 int cfg_infile_set=0;
  42 int cfg_outfile_set=0;
  43 int cfg_config_file_set=0;
  44
  45 int cfg_do_help=0;
  46 int cfg_output_info=0;
  47 int cfg_output_called=0;
  48 int cfg_output_exported=0;
  49 int cfg_output_unsatisfied=0;
  50 int cfg_split_objects=0;
  51 int cfg_split_objects_numbered=0;
  52 int cfg_split_blocks=0;
  53 int cfg_ignore_block_errors=0;
  54 int cfg_ignore_checksum_errors=0;
  55 //int cfg_pause_on_checksum_error=0;
  56 int cfg_ignore_unknown_block_errors=0;
  57 int cfg_ignore_object_integrity_errors=0;
  58 int cfg_list_contents=1;
  59 int cfg_verbose=0;
  60 int cfg_quiet=0;
  61 int cfg_dump_block_contents=0;
  62
  63 int cfg_version=0;
  64
  65 int in_fd=0;  //! File descriptor for data input
  66 int out_fd=1; //! File descriptor for text output
  67
  68 void do_config(int argc, char ** args){
  69
  70   string cfg_config_file;
  71   configuration_manager ar("ldc2");
  72
  73   /* Here come the configuration switches */
  74   ar.add_option_switch("h","help",
  75                        "Output this help text and exit.",
  76                        &cfg_do_help,false,true);
  77
  78   ar.add_option_switch("a","output_info",
  79                        "Print tape data information",
  80                        &cfg_output_info,true,true);
  81
  82   ar.add_option_switch("c","output_called",
  83                        "Print all called symbols from the object(s).",
  84                        &cfg_output_called,true,true);
  85
  86   ar.add_option_switch("d","dump_block_contents",
  87                        "Dump block contents",
  88                        &cfg_dump_block_contents,true,true);
  89
  90   ar.add_option_switch("e","output_exported",
  91                        "Print all exported symbols from the object(s).",
  92                        &cfg_output_exported,true,true);
  93
  94   ar.add_option_switch("u","output_unsatisfied",
  95                        "List all unsatisfied symbols.",
  96                        &cfg_output_unsatisfied,true,true);
  97
  98   ar.add_option_switch("s","split_objects",
  99                        "Split input data into distinct object files.",
 100                        &cfg_split_objects,true,true);
 101
 102   ar.add_option_switch("S","split_objects_numbered",
 103                        "Split input data into distinct numbered files",
 104                        &cfg_split_objects_numbered,true,true);
 105
 106   ar.add_option_switch("B","split_blocks",
 107                        "Split tape into named and numbered block files",
 108                        &cfg_split_blocks,true,true);
 109
 110   ar.add_option_switch("b","ignore_block_errors",
 111                        "Ignore block integrity errors. This will output broken blocks,too",
 112                        &cfg_ignore_block_errors,true,true);
 113
 114   ar.add_option_switch("k","ignore_checksum_errors",
 115                        "Ignore block checksum errors. Errors will be converted to warnings.",
 116                        &cfg_ignore_checksum_errors,true,true);
 117
 118 //   ar.add_option_switch("p","pause_on_checksum_error",
 119 //                     "Wait for user input on checksum error.",
 120 //                     &cfg_pause_on_checksum_error,true,true);
 121
 122   ar.add_option_switch("n","ignore_unknown_block_errors",
 123                        "Ignore errors caused by unknown block types. Errors will be converted to warnings.",
 124                        &cfg_ignore_unknown_block_errors,true,true);
 125
 126   ar.add_option_switch("g","ignore_object_integrity_errors",
 127                        "Ignore errors caused by objects without proper end block. \
 128 Errors will be converted to warnings.",
 129                        &cfg_ignore_object_integrity_errors,true,true);
 130
 131   ar.add_option_switch("v","verbose",
 132                        "Be a bit more verbose. This overrides -q.",
 133                        &cfg_verbose,true,true);
 134
 135   ar.add_option_switch("q","quiet",
 136                        "Be quiet. All warning messages are suppressed.",
 137                        &cfg_quiet,true,true);
 138
 139   ar.add_option_switch("V","version",
 140                        "Output version information and exit.",
 141                        &cfg_version,false,true);
 142
 143   ar.add_option_value("i","in_file",
 144                       "specify input file",
 145                   &cfg_infile_set,&cfg_infile,
 146                       "<input-file>",true,false);
 147
 148   ar.add_option_value("o","out_file",
 149                       "Specify output file.",
 150                       &cfg_outfile_set,&cfg_outfile,
 151                       "<output_file>",true,true);
 152
 153   ar.add_argument("File from where data is read",
 154                   &cfg_infile_set,&cfg_infile,
 155                   "<input-file>");
 156
 157   ar.add_argument("File to where output is redirected",
 158                   &cfg_outfile_set,&cfg_outfile,
 159                   "<output-file>");
 160
 161   ar.add_option_value("F","cfg_config_file",
 162                       "Use the specified configuration file.",
 163                       &cfg_config_file_set,&cfg_config_file,
 164                       "<file-name>",false,true);
 165
 166
 167   // If there's a config file mentioned in the environment, take it!
 168   char * env_ldc_config=getenv("LDC_CONFIG");
 169   if(env_ldc_config){
 170     if (cfg_verbose) fprintf(stderr,"Using config file: \"%s\"\n",env_ldc_config);
 171     if(dump_vector_fp(ar.read_file(env_ldc_config),stderr)){
 172       dump_vector_fp(ar.get_help(),stderr);
 173       exit(1);
 174     }
 175   }
 176
 177   // Process command line first time
 178   if(dump_vector_fp(ar.read_args(argc,args),stderr)){
 179     dump_vector_fp(ar.get_help(),stderr);
 180     exit(7);
 181   }
 182
 183   if (cfg_do_help) {
 184     dump_vector_fp(ar.get_help(),stderr);
 185     exit(0);
 186   }
 187
 188   // If user has a config file, use it.
 189   if (cfg_config_file_set){
 190     if (cfg_verbose)
 191       fprintf(stderr,"Using config file: \"%s\"\n",cfg_config_file.c_str());
 192     if(dump_vector_fp(ar.read_file(cfg_config_file),stderr)){
 193       dump_vector_fp(ar.get_help(),stderr);
 194       exit(7);
 195     }
 196
 197     // Process command line a second time to override values from config file.
 198     if(dump_vector_fp(ar.read_args(argc,args),stderr)||cfg_do_help){
 199       dump_vector_fp(ar.get_help(),stderr);
 200       exit(7);
 201     }
 202   }
 203
 204   if (cfg_infile_set==1){
 205     if (cfg_verbose)
 206       fprintf(stderr,"Opening file for input: \"%s\"\n",cfg_infile.c_str());
 207     in_fd=open(cfg_infile.c_str(),O_RDONLY);
 208     if (in_fd<0){
 209       fprintf(stderr,"Error: could not open file \"%s\" for reading!\n",
 210               cfg_infile.c_str());
 211       exit (1);
 212     }
 213   }
 214
 215   if (cfg_outfile_set==1){
 216     if (cfg_verbose)
 217       fprintf(stderr,"Opening file for output: \"%s\"\n",cfg_outfile.c_str());
 218     out_fd=open(cfg_outfile.c_str(),O_CREAT|O_WRONLY|O_TRUNC,0666);
 219     if (out_fd<0){
 220       fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
 221               cfg_outfile.c_str());
 222       exit (1);
 223     }
 224   }
 225
 226   // Verbose overrides quiet:
 227   if (cfg_verbose)cfg_quiet=0;
 228
 229   // The configuration implications according to /cfg007/
 230   //  if (in_fd==0) cfg_pause_on_checksum_error=0;
 231   // if (cfg_pause_on_checksum_error==1) cfg_ignore_checksum_errors=1;
 232
 233   if (cfg_output_info||cfg_output_called||cfg_output_exported||
 234       cfg_output_unsatisfied) cfg_list_contents=0;
 235 }
 236
 237