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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
license		=	bsd


%%	module

#include "dk4conf.h"
#include "dk4types.h"
#include "dk4app.h"
#include "dk4pref.h"
#include "dk4strd.h"
#include "dk4appi.c"
#include "dk4mem.h"
#include "dk4enc.h"



$!trace-include



/**	Names of system preferences to process immediately.
*/
static const dkChar * const	dk4apref_names[] = {
$!string-table macro=dkT
#
#	0	Language
#
ui.language
#
#	1	Region
#
ui.region
#
#	2	Log level required for logging to stderr
#
log.stderr.level
#
#	3	Log level required for logging to file
#
log.file.level
#
#	4	Log level required to keep log level
#
log.file.keep
#
#	5	Input encoding expected on stdin
#
input.encoding
#
#	6	Input encoding expected when reading files.
#
input.file.encoding
#
#	7  8	Write timestamps before writing log messages.
#
log.stderr.time
log.file.time
#
#	9	Alias for [5]
#
input.encoding.stdin
#
#	10	For backward compatibility
#
ui.lang
$!end
};



/**	Log level names.
*/
static const dkChar * const	dk4apref_log_level_names[] = {
$!string-table macro=dkT
none
panic
fatal
error
warning
info
progress
debug
ignore
$!end
};



void
dk4app_pref_apply(
  dk4_app_t		*app,
  dk4_app_error_t	*ae,
  const dkChar		*pn,
  const dkChar		*pv
)
{
  dkChar	*newval;
  int		 pi;
  int		 ll;
  int		 bom;
  $? "+ dk4app_pref_apply"
  if ((NULL != app) && (NULL != ae) && (NULL != pn) && (NULL != pv)) {
    pi = dk4str_array_index(dk4apref_names, pn, 1);
    if (-1 < pi) {
      switch (pi) {
        case 0: {		$? ". language"
	  newval = dk4str_dup(pv, NULL);
	  if (NULL != newval) {
	    dk4mem_release(app->language);
	    app->language = newval;
	  } else {
	    if (0 == ae->error_found) { ae->error_found = E_MEMORY; }
	  }
	} break;
	case 1: {		$? ". region"
	  newval = dk4str_dup(pv, NULL);
	  if (NULL != newval) {
	    dk4mem_release(app->region);
	    app->region = newval;
	  } else {
	    if (0 == ae->error_found) { ae->error_found = E_MEMORY; }
	  }
	} break;
	case 2: {		$? ". log level stderr"
	  ll = dk4str_array_index(dk4apref_log_level_names, pv, 0);
	  if (-1 < ll) {
	    app->ll_stderr = ll;
	  }
	} break;
	case 3: {		$? ". log level file"
	  ll = dk4str_array_index(dk4apref_log_level_names, pv, 0);
	  if (-1 < ll) {
	    app->ll_file = ll;
	  }
	} break;
	case 4: {		$? ". log keep file"
	  ll = dk4str_array_index(dk4apref_log_level_names, pv, 0);
	  if (-1 < ll) {
	    app->ll_file_keep = ll;
	  }
	} break;
	case 5: case 9: {	$? ". encoding stdin"
	  ll = app->enc_in_std;
	  bom = 0;
	  if (dk4enc_find(&ll, &bom, pv, NULL)) {
	    app->enc_in_std = ll;
	  }
	} break;
	case 6: {		$? ". encoding file"
	  ll = app->enc_in_file;
	  bom = 0;
	  if (dk4enc_find(&ll, &bom, pv, NULL)) {
	    app->enc_in_file = ll;
	  }
	} break;
	case 7: {		$? ". log stderr time"
	  if (dk4str_is_on(pv)) {
	    app->log_stderr_time = 1;
	  } else {
	    app->log_stderr_time = 0;
	  }
	} break;
	case 8: {		$? ". log file time"
	  if (dk4str_is_on(pv)) {
	    app->log_file_time = 1;
	  } else {
	    app->log_file_time = 0;
	  }
	} break;
	case 10: {		$? ". ui lang"
	  if (NULL != pv) {
	    dkChar *plang;
	    dkChar *preg;
	    dkChar *nlang;
	    dkChar *nreg;
	    /* Remove encoding stuff */
	    plang = dk4str_chr(pv, dkT('.'));
	    if (NULL != plang) { *plang = dkT('\0'); }
	    plang = dk4str_start(pv, NULL);
	    if (NULL != plang) {
	      preg = dk4str_chr(plang, dkT('_'));
	      if (NULL != preg) {
	        *(preg++) = dkT('\0');
		preg = dk4str_start(preg, NULL);
	      }
	      nlang = dk4str_dup(plang, NULL);
	      if (NULL != nlang) {
	        dk4mem_release(app->language);
		app->language = nlang;
	      } else {
	        if (0 == ae->error_found) { ae->error_found = E_MEMORY; }
	      }
	      if (NULL != preg) {
	        nreg = dk4str_dup(preg, NULL);
		if (NULL != nreg) {
		  dk4mem_release(app->region);
		  app->region = nreg;
		} else {
		  if (0 == ae->error_found) { ae->error_found = E_MEMORY; }
		}
	      }
	    }
	  }
	} break;
      }
    }
  } $? "- dk4app_pref_apply"
}