#define VERSION "0.0"
#endif
-#define ID_STRING "\n ldc2 - The X16 object analyser\n\
+#define ID_STRING "\n ldc2 - The X16 object tape analyser\n\
(C) 2007 Philipp Hachtmann\n\n\
Version %s, built %s\n %s\n\n"
+/******************************************************************************/
+static FILE * stdwarn; //! Suppressable warning output file pointer.
+static vector<tape_block*> tape; //! Represents the whole tape contents.
+static vector<vector<tape_block*> > objects; //! Tape content in objects.
-/*!
- *\brief The main routine.
- */
-int main(int argc, char ** args){
+static int errors=0;
+static int warnings=0;
+static int errcode=0; //! Variable for error codes.
-
- // Do all the configuration stuff
- do_config(argc,args);
-
- if (cfg_version){
- fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
- exit(0);
+
+void exit_on_error(){
+ if (errors){
+ fprintf(stderr,"Failed. (%i)\n",errcode);
+ exit(errcode);
}
+}
- vector<tape_block*> tape;
- vector<vector<tape_block *> > objects;
- vector<tape_block *> current_object;
+/******************************************************************************/
+/*!
+ *\brief Read in Tape data and do some checks and messages.
+ *
+ * This routine reads in the tape data.
+ * During reading in, checksums are checked and
+ * /da001/ information is generated. No object integrity test.
+ * Tape block object pointers are put into the global vector
+ * tape.
+ */
+void read_tape(){
+
+ tape_block * block=0; //! Pointer to current block.
+ bool read_ahead=true; //! Continue scanning for blocks.
+ int read_pointer=0; //! Read position in input.
+ int block_start=0; //! Start of block position in input.
+ int block_end=0; //! End of block position in input.
+ int blocks_read=0; //! Number of blocks read in.
- tape_block * block=0;
- bool read_ahead=true;
-
- int read_pointer=0;
- int block_start=0;
- int block_end=0;
- int blocks_read=0;
-
- bool in_object=false;
-
- int errors=0;
- int warnings=0;
- int errcode=0;
-
- bool spaced=false;
+ bool spaced=false; //! Help flag for spaced messages.
+
+ string message; //! A warning or help message.
+
while(read_ahead){
+
+ bool err_checksum=false;
+ bool err_integrity=false;
+
+ bool warning=false;
+ bool error=false;
+
try{
block=tape_block::gen_from_fd(in_fd);
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
- if (cfg_verbose) {
- char buffer[200];
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
-
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
- }
- if(cfg_list_contents)
- dump_vector(block->get_description());
}
catch(tape_block::eof_legal_exception &e){
} else {
fprintf(stderr,"Error: Could not read from stdin!\n");
}
- errors++;
+ error=true;
errcode=2;
break; // Immediately leave read loop.
}
catch(tape_block::eof_illegal_exception &e){
block=e.get_block();
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
-
+ err_integrity=true;
+ read_ahead=false;
if (cfg_ignore_block_errors){
- fprintf(stderr,"Warning: Block integrity check failed!\n");
- warnings++;
+ message="Warning: Block integrity check failed!\n";
+ warning=true;
} else {
- fprintf(stderr,"Error: Block integrity check failed!\n");
- errors++;
+ message="Error: Block integrity check failed!\n";
+ error=true;
errcode=3;
- read_ahead=false;
}
- if(cfg_list_contents)
- dump_vector(block->get_description());
- fprintf(stderr,"\n");
- spaced=true;
}
catch(tape_block::checksum_error_exception &e){
block=e.get_block();
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
-
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
-
+ err_checksum=true;
if (cfg_ignore_checksum_errors){
- fprintf(stderr,"Warning: Block checksum wrong!\n");
- warnings++;
+ message="Warning: Block checksum wrong!\n";
+ warning=true;
} else {
- fprintf(stderr,"Error: Block checksum wrong!\n");
- errors++;
+ message="Error: Block checksum wrong!\n";
+ error=true;
read_ahead=false;
errcode=4;
}
- if(cfg_list_contents)
- dump_vector(block->get_description());
- fprintf(stderr,"\n");
- spaced=true;
}
-
- } // while (read_ahead)
-
- // Now we have our blocks, tell the user about that!
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- sprintf(buffer,"Bytes read:%i Blocks read:%i\nErrors:%i Warnings:%i\n",
- read_pointer,blocks_read,errors,warnings);
- if(cfg_output_info){
- write (out_fd,buffer,strlen(buffer));
- } else {
- fprintf(stderr,buffer);
- }
+ // Now let's check for block type
+ if ((!error)&&(!warning)&&!block->has_known_type()){
+ if (cfg_ignore_unknown_block_errors){
+ message="Warning: Unknown Block type!";
+ warning=true;
+ }else{
+ message="Error: Unknown Block type!";
+ error=true;
+ read_ahead=false;
+ errcode=5;
+ }
+ }
+
+ // Count block.
+ blocks_read++;
+ tape.insert(tape.end(),block);
+ block_start=read_pointer+block->get_discarded_bytes();
+ block_end=block_start+block->get_raw_size()-1;
+ read_pointer=block_end+1;
+
+ FILE * fp=stdwarn;
+ if (error) fp=stderr;
+
+ if (cfg_verbose||error||warning){
+ if (!spaced) fprintf(fp,"\n");
+ spaced=false;
+ fprintf(fp,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
+ blocks_read-1,
+ block_start,
+ block_end,
+ block->get_raw_size());
+ }
+
+ if (error) fprintf(stderr,message.c_str());
+ if (warning) fprintf(stdwarn,message.c_str());
+
+ if(cfg_list_contents){
+ dump_vector(block->get_description());
+ if (!error&&!warning) spaced=false;
+ }
- if (errors>0){
- fprintf(stderr,"Failed. (%i)\n",errcode);
- exit(errcode);
- }
-
+ if (error||warning||cfg_verbose){
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (error) errors++;
+ if (warning) warnings++;
+ } // while....
if (cfg_verbose){
- fprintf(stderr,"Data read successfully.\n");
+ close(in_fd);
+ fprintf(stderr,"Reading finished.\n");
+ fprintf(stderr,"Bytes read:%i, Blocks read:%i\n",read_pointer,blocks_read);
+ }
+} // read_tape()
+
+/******************************************************************************/
+
+void type_check(){
+ bool warning=false;
+ bool error=false;
+
+ for (unsigned int i=0; i<tape.size();i++){
+ bool spaced=false;
+ if (!tape[i]->has_known_type()){
+ FILE * fp;
+ if (cfg_ignore_unknown_block_errors){
+ fp=stdwarn;
+ warning=true;
+ } else {
+ fp=stderr;
+ error=true;
+ }
+ if (!spaced) {
+ spaced=false;fprintf(fp,"\n");
+ fprintf(fp,"Warning: Unknown Block type! Block No.%i\n",i);
+ dump_vector_fp(tape[i]->get_description(),fp);
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (!cfg_ignore_unknown_block_errors){
+ int errcode=5;
+ fprintf(stdwarn,"Failed. (%i)\n",errcode);
+ exit(errcode);
+ }
+ }
}
- close(in_fd);
-
-// switch(block->get_state()){ // switchy
-// case tape_block::TBS_EOF_LEGAL:
-// delete block;
-// if (!in_object){
-// fprintf(stderr,"File successfully read.\n");
-// } else {
-// if (cfg_ignore_object_integrity_errors){
-// fprintf(stderr,"Warning: Object integrity check failed!\n");
-// warnings++;
-// } else {
-// fprintf(stderr,"Error: Object integrity check failed!\n");
-// errors++;
-// errcode=6;
-// }
-// }
-// read_ahead=false;
-// break;
-// case tape_block::TBS_EOF_ILLEGAL:
-// break;
-// case tape_block::TBS_CHECKSUM:
-// break;
-// case tape_block::TBS_DEFAULT:
-// delete block;
-// fprintf(stderr,"TBS_DEFAULT encountered ->> SEVERE INTERNAL ERROR!\n");
-// errors++;
-// errcode=100;
-// read_ahead=false;
-// break;
-// case tape_block::TBS_IOERR:
-// case tape_block::TBS_OK:
-// tape.insert(tape.end(),block);
-// blocks_read++;
-
-// if (cfg_verbose){
-// char buffer[200];
-// snprintf(buffer,200,"Block No. %3i: Start(hex):%5x End(hex):%5x Size(hex):%3x\n",
-// blocks_read-1,
-// block_start,
-// block_end,
-// block->get_raw_size());
-// write (out_fd,buffer,strlen(buffer));
-// }
+} // type_check()
-// if(cfg_list_contents)
-// dump_vector(block->get_description());
-
-// if (block->get_type()==0x10){ // Unknown data block!
-// if (cfg_ignore_unknown_block_errors){
-// fprintf(stderr,"Warning: Unknown block type!\n");
-// warnings++;
-// }else {
-// fprintf(stderr,"Error: Unknown block type!\n");
-// errors++;
-// errcode=5;
-// read_ahead=false;
-// }
-// }
-
-// current_object.insert(current_object.end(),block);
-
-// if ((block->get_type()==data_block::TBT_EOT)
-// ||((block->get_type()==0)&&(block->get_subtype()==3))
-// ||((block->get_type()==4)||(block->get_type()==3))
-// ||((block->get_type()==0)&&(block->get_subtype()==014))){
-// in_object=false;
-// objects.insert(objects.end(),current_object);
-// current_object.clear();
-// } else {
-// in_object=true;
-// }
-
-// break;
-// } // switch
-// } // generate loop
+/******************************************************************************/
+/*!
+ *\brief The main routine.
+ */
+int main(int argc, char ** args){
-// }
+ // Do all the configuration stuff
+ do_config(argc,args);
+
+ // Output a version message if desired
+ if (cfg_version){
+ fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
+ exit(0);
+ }
+
+ // Assign warning output according to configuration
+ if (cfg_quiet) stdwarn=fopen("/dev/null","w");
+ else stdwarn=stderr;
+
+ read_tape(); // Process input to completion.
+ exit_on_error();
+
+
+
+ if (cfg_split_objects){
+ for (unsigned int i=0; i<tape.size();i++){
+ tape[i]->dump_to_fd(out_fd);
+ }
+ }
return 0;
projects / h316.git / blobdiff