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[h316.git] / pc-tools / ldc2 / src / main.cpp

/* ldc2 preliminary main program */

#include <vector>
#include <string>

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include "tape_block.hh"
#include "configuration_manager.hh"

using namespace std;

int dump_vector(vector<string> arguments){
  int res=0;
  for (vector<string>::iterator iter=arguments.begin();iter<arguments.end();iter++){
    printf("%s\n",(*iter).c_str());
    res=1;
  }
  return res;
}


int main(int argc, char ** args){
  
  /* Configuration data */
  string config_file;
  string infile, outfile;
  int infile_set, outfile_set, config_file_set;
  
  int 
    do_help,
    output_info,
    output_called,
    output_exported,
    output_unsatisfied,
    split_objects,
    split_objects_numbered,
    ignore_block_errors,
    ignore_checksum_errors,
    pause_on_checksum_error,
    ignore_unknown_block_errors,
    ignore_object_integrity_errors;
  
  int in_fd, out_fd;

  in_fd=0;  /* stdin   {O _ \ */
  out_fd=1; /* stdout  {O ^ / */

  configuration_manager ar("ldc2");
  
  /* Here come the configuration switches */
  ar.add_option_switch("h","help",
		       "Output this help text and exit.",
		       &do_help,true,false);

  ar.add_option_switch("a","output_info",
		       "Print tape data information (default)",
		       &output_info);

  ar.add_option_switch("c","output_called",
		       "Print all called symbols from the object(s).",
		       &output_called);

  ar.add_option_switch("e","output_exported",
		       "Print all exported symbols from the object(s).",
		       &output_exported);

  ar.add_option_switch("u","output_unsatisfied",
		       "List all unsatisfied symbols.",
		       &output_unsatisfied);

  ar.add_option_switch("s","split_objects",
		       "Split input data into distinct object files.",
		       &split_objects);

  ar.add_option_switch("S","split_objects_numbered",
		       "Split input data into distinct numbered files",
		       &split_objects_numbered);

  ar.add_option_switch("b","ignore_block_errors",
		       "Ignore block integrity errors. This will output broken blocks,too",
		       &ignore_block_errors);

  ar.add_option_switch("k","ignore_checksum_errors",
		       "Ignore block checksum errors. Errors will be converted to warnings.",
		       &ignore_checksum_errors);

  ar.add_option_switch("p","pause_on_checksum_error",
		       "Wait for user input on checksum error.",
		       &pause_on_checksum_error);
  
  ar.add_option_switch("n","ignore_unknown_block_errors",
		       "Ignore errors caused by unknown block types. Errors will be converted to warnings.",
		       &ignore_unknown_block_errors);

  ar.add_option_switch("g","ignore_object_integrity_errors",
		       "Ignore errors caused by objects without proper end block. \
Errors will be converted to warnings.",
		       &ignore_object_integrity_errors);
  
  ar.add_option_value("i","input_file",
		      "specify input file",
		  &infile_set,&infile,
		  "<input-file>");
		      
  ar.add_option_value("o","output_file",
		      "Specify output file.",
		      &outfile_set,&outfile,
		      "<output_file>");
		      

  ar.add_argument("File from where data is read",
		  &infile_set,&infile,
		  "<input-file>");

  ar.add_argument("File to where output is redirected",
		  &outfile_set,&outfile,
		  "<output-file>");

  ar.add_option_value("F","config_file",
		      "Use the specified configuration file.", 
		      &config_file_set,&config_file,
		      "<file-name>");
  
  // Process command line first time
  if((dump_vector(ar.read_args(argc,args))||do_help)){
    dump_vector(ar.get_help());
    exit(1);
  }
  
  // If user has a config file, use it.
  if (config_file_set){
    if(dump_vector(ar.read_file(config_file))){
      dump_vector(ar.get_help());
      exit(1);
    }
    // Process command line a second time to override values from config file.
    if(dump_vector(ar.read_args(argc,args))||do_help){
      dump_vector(ar.get_help());
      exit(1);
    }
  }
 


  
  if (infile_set==1){
    printf("Opening file for input:%s\n",infile.c_str());
    in_fd=open(infile.c_str(),O_RDONLY);
    if (in_fd<0){
      printf("Error: could not open file:%s\n",infile.c_str());
      exit (3);
    }
  }
  
  
  
  
  vector<tape_block*> tape;
  
  
  tape_block * block=0;
  while(1){
    block=tape_block::gen_from_fd(in_fd);
    if (block->get_state()==tape_block::TBS_OK){
      tape.insert(tape.end(),block);
      dump_vector(block->get_description());
    }
    else break;
  }

  switch(block->get_state()){
  case tape_block::TBS_EOF_LEGAL: printf("File successfully read.\n");
    break;
  case tape_block::TBS_EOF_ILLEGAL: printf("EOF while in block!\n");
    break;
  case tape_block::TBS_CHECKSUM:
    printf("Checksum error!\n");
    break;
  case tape_block::TBS_DEFAULT:
    printf("TBS_DEFAULT encountered ->> SEVERY INTERNAL ERROR!\n");
    exit(88);
  case tape_block::TBS_IOERR:
    printf("I/O Error... Why?\n");
    exit (43);
  }

  return 0;
} // main()