/* 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 "config.hh"
+#include "tool.hh"
#include "tape_block.hh"
-#include "argument_reader.hh"
+#include "data_block_0.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;
-}
+#ifndef BUILD_STAMP
+#define BUILD_STAMP ""
+#endif
+#ifndef VERSION
+#define VERSION "0.0"
+#endif
+#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"
-int main(int argc, char ** args){
+/******************************************************************************/
+
+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.
+
+static int errors=0;
+static int warnings=0;
+static int errcode=0; //! Variable for error codes.
+
+
+void exit_on_error(){
+ if (errors){
+ fprintf(stderr,"Failed. (%i)\n",errcode);
+ exit(errcode);
+ }
+}
+
+/******************************************************************************/
+/*!
+ *\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.
- string infile, outfile;
- int infile_set, outfile_set;
- int help_wanted;
+ bool spaced=false; //! Help flag for spaced messages.
- int greet_want;
- string greetings;
+ string message; //! A warning or help message.
+
- int in_fd, out_fd;
+ 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);
+ }
+
+ catch(tape_block::eof_legal_exception &e){
+ read_pointer+=e.get_consumed();
+ break; // Immediately leave read loop.
+ }
+
+ catch(tape_block::io_error_exception){
+ if (in_fd){
+ fprintf(stderr,"Error: Could not read from \"%s\"!\n",cfg_infile.c_str());
+ } else {
+ fprintf(stderr,"Error: Could not read from stdin!\n");
+ }
+ error=true;
+ errcode=2;
+ break; // Immediately leave read loop.
+ }
+
+ catch(tape_block::eof_illegal_exception &e){
+ block=e.get_block();
+ err_integrity=true;
+ read_ahead=false;
+ if (cfg_ignore_block_errors){
+ message="Warning: Block integrity check failed!\n";
+ warning=true;
+ } else {
+ message="Error: Block integrity check failed!\n";
+ error=true;
+ errcode=3;
+ }
+ }
+
+ catch(tape_block::checksum_error_exception &e){
+ block=e.get_block();
+ err_checksum=true;
+ if (cfg_ignore_checksum_errors){
+ message="Warning: Block checksum wrong!\n";
+ warning=true;
+ } else {
+ message="Error: Block checksum wrong!\n";
+ error=true;
+ read_ahead=false;
+ errcode=4;
+ }
+ }
+
+ // 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;
+ }
- in_fd=0; //stdin {O _ \
- out_fd=1; //stdout {O ^ /
+ if (error||warning||cfg_verbose){
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (error) errors++;
+ if (warning) warnings++;
+ } // while....
+ if (cfg_verbose){
+ 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);
+ }
+ }
+ }
+} // type_check()
- argument_reader ar("ldc2");
- ar.add_param("h","help","Output this help text.",&help_wanted);
- ar.add_param("g","greet","Wonderful bla bla. It is here only to test the output\
-capabilities of the arg_reader.",&greet_want);
+/******************************************************************************/
+/*!
+ *\brief The main routine.
+ */
+int main(int argc, char ** args){
- ar.add_argument("<input-file>","File from where data is read",&infile_set,&infile);
- ar.add_argument("<output-file>","File to where output is redirected",&outfile_set,&outfile);
+ // Do all the configuration stuff
+ do_config(argc,args);
- if((dump_vector(ar.read_args(argc,args))||help_wanted)){
- dump_vector(ar.get_help());
- exit(1);
+ // Output a version message if desired
+ if (cfg_version){
+ fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
+ exit(0);
}
- if(greet_want)printf("Hallo!\n");
- 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);
- }
- }
+ // Assign warning output according to configuration
+ if (cfg_quiet) stdwarn=fopen("/dev/null","w");
+ else stdwarn=stderr;
- vector<tape_block*> tape;
+ read_tape(); // Process input to completion.
+ exit_on_error();
- 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());
+
+ if (cfg_split_objects){
+ for (unsigned int i=0; i<tape.size();i++){
+ tape[i]->dump_to_fd(out_fd);
}
- 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()
projects / h316.git / blobdiff