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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2011-xxxx
license		=	bsd



%%	module

#include "dk3all.h"
#include "dkt.h"
#include "dkwt.h"



$!trace-include




/**	Job structure for dkwt printers.
*/
typedef struct {
  dk3_app_t		*app;		/**< Application structure. */
  dkChar const * const	*msg;		/**< Localized message texts. */
  dkChar const * const	*kwnl;		/**< Keywords, not localized. */
  dk3_option_set_t	*opt;		/**< Command line options. */
  int			 exval;		/**< Exit status code. */
  int			 f_long;	/**< Flag: Long output. */
} DKWT_PRINTERS_J;



/**	Data for the option set.
*/
static dk3_option_t const dkwt_printers_options[] = {
  { dkT('l'), dkT("long"), 0 }
};

/**	Number of options in the dkt_sort_options array.
*/
static size_t const dkwt_printers_szoptions =
sizeof(dkwt_printers_options)/sizeof(dk3_option_t);



/**	Initialize job structure.
	@param	j	Job structure to initialize.
*/
static
void
dkwt_printers_job_init(DKWT_PRINTERS_J *j)
{
  j->app = NULL; j->msg = NULL; j->kwnl = NULL; j->opt = NULL;
  j->exval = DKT_RESULT_ERR_UNSPECIFIC;
  j->f_long = 0;
}



/**	Clean up job structure.
	@param	j	Job structure to clean up.
*/
static
void
dkwt_printers_job_cleanup(DKWT_PRINTERS_J *j)
{
  if(j) {
    if(j->opt) {
      dk3opt_close(j->opt);
    } j->opt = NULL;
  }
}



/**	Process command line arguments.
	@param	j	Job structure.
	@return	1 on success (can continue), 0 on error.
*/
static
int
dkwt_printers_process_argv(DKWT_PRINTERS_J *j)
{
  int back = 0;
  int			 xargc;
  dkChar const * const	*xargv;
  xargc = dk3app_get_argc(j->app);
  xargv = dk3app_get_argv(j->app);
  $? "+ dkwt_printers_process_argv argc=%d", xargc
  xargv++; xargv++; xargc--; xargc--;
  j->opt = dk3opt_open_app(
    dkwt_printers_options,
    dkwt_printers_szoptions,
    dkT('\0'),
    NULL,
    xargc,
    xargv,
    j->app
  );
  if(j->opt) {
    if(0 == dk3opt_get_error_code(j->opt)) {
      back = 1;
      if(dk3opt_is_set(j->opt, dkT('l'))) {
        j->f_long = 1;
      }
    } else { j->exval = DKT_RESULT_ERR_OPTION; }
  } else { j->exval = DKT_RESULT_ERR_OPTION; }
  return  back;
}



/**	Show details about a printer.
	@param	j	Job structure.
	@param	txt	Detail value.
	@param	mi	Index of detail name in message array.
*/
static
void
dkwt_pr_details(DKWT_PRINTERS_J *j, dkChar const *txt, size_t mi)
{
  if(txt) {
    if(dk3str_len(txt)) {
      dk3sf_fputs((j->msg)[mi], stdout);
      dk3sf_fputs(txt, stdout);
      dk3sf_fputc(dkT('\n'), stdout);
    }
  }
}



/**	Run the "list printers" command.
	@param	j	Job structure.
*/
static
void
dkwt_printers_run(DKWT_PRINTERS_J *j)
{
  dkwt_printer_list_t	*pl;
  dkwt_printer_t	*pr;
  int			 not_first = 0;
  dkChar const		*ptr;

  pl = dkwt_tool_open_printer_list(j->app, j->f_long);
  if(pl) {
    dkwt_tool_printer_list_reset(pl);
    dk3sf_initialize_stdout();
    while((pr = dkwt_tool_printer_list_next(pl)) != NULL) {
      if((j->f_long) && (not_first)) {
        dk3sf_fputc(dkT('\n'), stdout);
      } not_first = 1;
      if(pr->printerName) {
        dk3sf_fputs(pr->printerName, stdout);
	dk3sf_fputc(dkT('\n'), stdout);
	if(j->f_long) {
	  ptr = pr->printerName;
	  while(*(ptr++)) { dk3sf_fputc(dkT('-'), stdout); }
	  dk3sf_fputc(dkT('\n'), stdout);
	  dkwt_pr_details(j, pr->comment, 44);
	  dkwt_pr_details(j, pr->description, 45);
	  dkwt_pr_details(j, pr->location, 46);
	  dkwt_pr_details(j, pr->serverName, 47);
	  dkwt_pr_details(j, pr->shareName, 48);
	  dkwt_pr_details(j, pr->portName, 49);
	  dkwt_pr_details(j, pr->driverName, 50);
	  dkwt_pr_details(j, pr->deviceName, 51);
	  dkwt_pr_details(j, pr->separatorFile, 52);
	  dkwt_pr_details(j, pr->printProcessor, 53);
	  dkwt_pr_details(j, pr->dataType, 54);
	  dkwt_pr_details(j, pr->parameters, 55);
	}
      }
    }
    dkwt_tool_close_printer_list(pl);
  } else {
    j->exval = DKT_RESULT_ERR_MEMORY;
  }
}



int
dkwt_printers(
  dk3_app_t		*app,
  dkChar const * const	*msg,
  dkChar const * const	*kwnl
)
{
  int			back = DKT_RESULT_ERR_UNSPECIFIC;
  DKWT_PRINTERS_J	j;

  dkwt_printers_job_init(&j);
  j.app = app; j.msg = msg; j.kwnl = kwnl;
  if(dkwt_printers_process_argv(&j)) {
    back = j.exval = DKT_RESULT_OK;
    dkwt_printers_run(&j);
  }
  dkwt_printers_job_cleanup(&j);
  return back;
}




/**	Job structure for dkwt print.
*/
typedef struct {
  dkChar const		*deviceName;	/**< Device name from command line. */
  dkChar const		*printerName;	/**< Printer name to use. */
  dk3_app_t		*app;		/**< Application structure. */
  dkChar const * const	*msg;		/**< Localized message texts. */
  dkChar const * const	*kwnl;		/**< Keywords, not localized. */
  dk3_option_set_t	*opt;		/**< Command line options. */
  int			 exval;		/**< Exit status code. */
} DKWT_PRINT_J;



/**	Data for the option set.
*/
static dk3_option_t const dkwt_print_options[] = {
  { dkT('d'), dkT("device"), 1 }
};

/**	Number of options in the dkt_print_options array.
*/
static size_t const dkwt_print_szoptions =
sizeof(dkwt_print_options)/sizeof(dk3_option_t);



/**	Initialize job structure.
	@param	j	Job structure to initialize.
*/
static
void
dkwt_print_job_init(DKWT_PRINT_J *j)
{
  j->deviceName = NULL; j->printerName = NULL;
  j->app = NULL; j->msg = NULL; j->kwnl = NULL;
  j->opt = NULL;
  j->exval = DKT_RESULT_ERR_UNSPECIFIC;
}



/**	Clean up job structure.
	@param	j	Job structure to clean up.
*/
static
void
dkwt_print_job_cleanup(DKWT_PRINT_J *j)
{
  if(j->opt) {
    dk3opt_close(j->opt);
  } j->opt = NULL;
}



/**	Process command line arguments.
	@param	j	Job structure.
	@return	1 on success (can continue), 0 on error.
*/
static
int
dkwt_print_process_argv(DKWT_PRINT_J *j)
{
  int back = 0;
  int			 xargc;
  dkChar const * const	*xargv;
  $? "+ dkwt_print_process_argv"
  xargc = dk3app_get_argc(j->app);
  xargv = dk3app_get_argv(j->app);
  xargv++; xargv++; xargc--; xargc--;
  j->opt = dk3opt_open_app(
    dkwt_print_options,
    dkwt_print_szoptions,
    dkT('\0'),
    NULL,
    xargc,
    xargv,
    j->app
  );
  if(j->opt) {		$? ". options ok"
    if(0 == dk3opt_get_error_code(j->opt)) {	$? ". options, no error"
      back = 1;
      if(dk3opt_is_set(j->opt, dkT('d'))) {	$? ". -d option"
        j->deviceName = dk3opt_get_short_arg(j->opt, dkT('d'));
	if(!(j->deviceName)) {			$? "! missing device name"
	  j->exval = DKT_RESULT_ERR_OPTION;
	  back = 0;
	}
      }
    } else {
      j->exval = DKT_RESULT_ERR_OPTION;
    }
  } else {
    j->exval = DKT_RESULT_ERR_OPTION;
  } $? "- dkwt_print_process_argv %d", back
  return back;
}



/**	Schedule a file to a printer.
	@param	j	Job structure.
	@param	hFile	Destination file handle.
	@param	fn	Source file name.
*/
static
void
dkwt_print_schedule_file(DKWT_PRINT_J *j, HANDLE hFile, dkChar const *fn)
{
  FILE 		*fipo;
  char		buffer[4096];
  size_t	bytes;
  DWORD		written;
  $? "+ schedule file \"%ls\"", fn
  fipo = dk3sf_fopen_app(fn, dk3app_not_localized(36), j->app);
  if(fipo) {
    do {
      bytes = dk3sf_fread_app(buffer, 1, sizeof(buffer), fipo, j->app);
      if(bytes > 0) {
        written = 0;
	if(!WriteFile(
	      hFile, (void const *)buffer, (DWORD)bytes, &written, NULL
	    )
	  )
	{
	  dk3app_log_i1(j->app, DK3_LL_ERROR, 120);
	  j->exval = DKT_RESULT_ERR_OUTPUT;
	}
      }
    } while(bytes > 0);
    fclose(fipo);
  } else {
    j->exval = DKT_RESULT_ERR_FILENAME;
  } $? "- dkwt_print_schedule_file"
}



/**	Print to a printer.
	@param	j	Job structure.
	@param	pn	Printer name.
*/
static
void
dkwt_print_to_printer(DKWT_PRINT_J *j, dkChar *pn)
{
  HANDLE	hPr;
  HANDLE	hFile;
  char		ajbu[sizeof(ADDJOB_INFO_1) + (sizeof(dkChar)*DK3_MAX_PATH)];
  DWORD		dwLev = (DWORD)1;
  DWORD		dwSz;
  DWORD		dwNeeded;
  ADDJOB_INFO_1	*aji1;
  int		ok;
  DWORD		dwAcc;
  DWORD		dwSh;
  DWORD		dwDisp;
  DWORD		dwAttr;
  int		oldmode;
  char		db[4096];
  int		bytes;
  DWORD		written;
  int		nfn;		/* Number of file names. */
  int		i;		/* Current file name index. */
  dkChar const	*curarg;	/* Current argument. */
  dkChar const	*curfn;		/* Current file name. */
  dk3_dir_t	*fne;		/* File name expander. */
  $? "+ dkwt_print_to_print \"%ls\"", pn
  ok = 0;
  if(OpenPrinter(pn, &hPr, NULL)) {		$? ". printer opened"
    dwSz = sizeof(ajbu);
    dwNeeded = (DWORD)0UL;
    if(AddJob(hPr, dwLev, (LPBYTE)ajbu, dwSz, &dwNeeded)) {
      aji1 = (ADDJOB_INFO_1 *)ajbu;		$? ". AddJob ok"
      if(aji1->Path) {				$? ". path ok"
        hFile  = INVALID_HANDLE_VALUE;
        dwAcc  = GENERIC_WRITE;
	dwSh   = FILE_SHARE_READ;
	dwDisp = CREATE_ALWAYS;
	dwAttr = FILE_ATTRIBUTE_NORMAL;
	hFile = CreateFile(aji1->Path,dwAcc,dwSh,NULL,dwDisp,dwAttr,NULL);
	if(hFile != INVALID_HANDLE_VALUE) {	$? ". create file ok"
	  if(dk3opt_get_num_args(j->opt) > 0) {	$? ". have arguments"
	    nfn = dk3opt_get_num_args(j->opt);
	    for(i = 0; i < nfn; i++) {
	      curarg = dk3opt_get_arg(j->opt, i);
	      if(curarg) {	$? ". arg = \"%ls\"", curarg
	        if(dk3sf_must_expand(curarg)) {	$? ". must expand"
		  fne = dk3dir_fne_open_app(curarg, j->app);
		  if(fne) {
		    if(dk3dir_get_number_of_files(fne) > 0) {
		      while(dk3dir_get_next_file(fne)) {
		        curfn = dk3dir_get_fullname(fne);
			if(curfn) {	$? ". curfn = \"%ls\"", curfn
			  dkwt_print_schedule_file(j, hFile, curfn);
			} else {
			  /* BUG */
			}
		      }
		    } else {
		      /* ERROR: No such file */
		      dk3app_log_i3(j->app, DK3_LL_ERROR, 215, 216, curarg);
		      j->exval = DKT_RESULT_ERR_FILENAME;
		    }
		    dk3dir_close(fne);
		  } else {
		    /* ERROR: No file name expander. */
		    j->exval = DKT_RESULT_ERR_FILENAME;
		  }
		} else {			$? ". no expansion"
		  dkwt_print_schedule_file(j, hFile, curarg);
		}
	      } else {
	        j->exval = DKT_RESULT_ERR_UNSPECIFIC;
	      }
	    }
	  } else {	$? ". no arguments, use stdin"
	    oldmode = _setmode(0, _O_BINARY);
	    do {
	      bytes = _read(0, db, sizeof(db));
	      if(bytes > 0) {		$? ". bytes = %d", bytes
	        written = 0;
	        if(!WriteFile(
		     hFile, (void const *)db, (DWORD)bytes, &written, NULL
		   )
		)
		{
		  /* ERROR: Failed to write bytes! */
		  dk3app_log_i1(j->app, DK3_LL_ERROR, 120);
		  j->exval = DKT_RESULT_ERR_OUTPUT;
		}
	      }
	    } while(bytes > 0);
	    _setmode(0, oldmode);
	  }
	  ok = 1;
	  CloseHandle(hFile);
	} else {		$? "! CreateFile failed"
	  /* ERROR: Failed to create print file! */
	  dk3app_log_3(j->app, DK3_LL_ERROR, j->msg, 56, 57, aji1->Path);
	  j->exval = DKT_RESULT_ERR_UNSPECIFIC;
	}
        if(ok) {
	  if(ScheduleJob(hPr, aji1->JobId)) {
	  } else {
	    /* ERROR: Failed to schedule job */
	    dk3app_log_1(j->app, DK3_LL_ERROR, j->msg, 58);
	  }
	}
      } else {			$? "! no path"
        j->exval = DKT_RESULT_ERR_UNSPECIFIC;
      }
    } else {			$? "! AddJob failed"
      /* ERROR: AddJob failed! */
      dk3app_log_1(j->app, DK3_LL_ERROR, j->msg, 59);
      j->exval = DKT_RESULT_ERR_UNSPECIFIC;
    }
    ClosePrinter(hPr);
  } else {			$? "! failed to open printer"
    /* ERROR: Failed to open printer! */
    dk3app_log_3(j->app, DK3_LL_ERROR, j->msg, 60, 61, pn);
    j->exval = DKT_RESULT_ERR_OPTION;
  } $? "- dkwt_print_to_printer"
}



/**	Run the "dkwt print" command.
	@param	j	Job structure.
*/
static
void
dkwt_print_run(DKWT_PRINT_J *j)
{
  dkwt_printer_list_t		*pl;
  dkwt_printer_t		*pr;
  dkChar			 bu[DK3_MAX_PATH];
  DWORD				 dwSz;
  int				 found = 0;
  $? "+ dkwt_print_run"
  pl = dkwt_tool_open_printer_list(j->app, 1);
  if(pl) {			$? ". printer list ok"
    if(j->deviceName) {		$? ". device name \"%ls\"", j->deviceName
      dkwt_tool_printer_list_reset(pl);
      do {
        pr = dkwt_tool_printer_list_next(pl);
	if(pr) {
	  if((pr->portName) && (pr->printerName)) {
	    if(dk3str_cmp(pr->portName, j->deviceName) == 0) {
	      found = -1;
	      if(dk3str_len(pr->printerName) < DK3_SIZEOF(bu,dkChar)) {
	        dk3str_cpy_not_overlapped(bu, pr->printerName);
		found = 1;
	      } else {
	        /* ERROR: Printer name too long! */
		dk3app_log_1(j->app, DK3_LL_ERROR, j->msg, 62);
	      }
	    }
	  }
	}
      } while((pr) && (found == 0));
      if(found == 1) {
        dkwt_print_to_printer(j, bu);
      } else {
        if(found == 0) {
	  /* ERROR: No printer found for device! */
	  dk3app_log_3(j->app, DK3_LL_ERROR, j->msg, 63, 64, j->deviceName);
	  j->exval = DKT_RESULT_ERR_OPTION;
	}
      }
    } else {		$? "! no device name, use default printer"
      dwSz = DK3_SIZEOF(bu,dkChar);
      if(GetDefaultPrinter(bu, &dwSz)) {	$? ". default printer found"
        if(dwSz < DK3_SIZEOF(bu,dkChar)) {
	  bu[dwSz] = dkT('\0');
	} else {
	  bu[DK3_SIZEOF(bu,dkChar)-1] = dkT('\0');
	}		$? ". default printer \"%ls\"", bu
	dkwt_print_to_printer(j, bu);
      } else {
        /* ERROR: Failed to find default printer. */
	dk3app_log_1(j->app, DK3_LL_ERROR, j->msg, 65);
	j->exval = DKT_RESULT_ERR_UNSPECIFIC;
      }
    }
    dkwt_tool_close_printer_list(pl);
  } else {
    j->exval = DKT_RESULT_ERR_MEMORY;
  } $? "- dkwt_print_run"
}


int
dkwt_print(
  dk3_app_t		*app,
  dkChar const * const	*msg,
  dkChar const * const	*kwnl
)
{
  int			back = DKT_RESULT_ERR_UNSPECIFIC;
  DKWT_PRINT_J		j;
  $? "+ dkwt_print"
  dkwt_print_job_init(&j);
  j.app = app; j.msg = msg; j.kwnl = kwnl;
  if(dkwt_print_process_argv(&j)) {
    back = j.exval = DKT_RESULT_OK;
    dkwt_print_run(&j);
  }
  dkwt_print_job_cleanup(&j);
  back = j.exval;
  $? "- dkwt_print %d", back
  return back;
}