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%%	options

copyright owner	=	Dirk Krause
copyright year	=	2015-xxxx
SPDX-License-Identifier:	BSD-3-Clause



%%	header

/**	@file
	String conversion from ASCII to dkChar.

	CRT on Windows: Not used.
*/



#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif

#ifndef DK4TYPES_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4types.h"
#else
#include <dktools-4/dk4types.h>
#endif
#endif

#ifndef DK4ERROR_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4error.h"
#else
#include <dktools-4/dk4error.h>
#endif
#endif




#ifdef __cplusplus
extern "C" {
#endif

/**	Recode string from ASCII to dkChar
	@param	dstb	Destination buffer.
	@param	szdstb	Size of destination buffer (number of dkChar).
	@param	enc	Encoding for dkChar.
	@param	src	Source string to convert.
	@param	erp	Error report, may be NULL.
	@return	1 on success, 0 on error.
	
	Error codes:
	- DK4_E_INVALID_ARGUMENTS<br>
	  if src or dstb is NULL or szdstb is 0,
	- DK4_E_BUFFER_TOO_SMALL<br>
	  if dstb is too small,
	- DK4_E_SYNTAX<br>
	  with the number of successfully recoded characters in nelem if a
	  non-recodable character was found.
*/
int
dk4recode_ascii_to_dk(
  dkChar *dstb, size_t szdstb, int enc, const char *src, dk4_er_t *erp
);

#ifdef __cplusplus
}
#endif



%%	module

#include "dk4conf.h"

#ifndef	DK4USE_H_INCLUDED
#include "dk4use.h"
#endif

#include "dk4enc.h"
#include "dk4rec21.h"
#include "dk4rec01.h"
#include "dk4rec03.h"
#include "dk4rec07.h"
#include "dk4rec13.h"
#include "dk4str8.h"
#include "dk4unused.h"

#if	DK4_HAVE_ASSERT_H
#ifndef	ASSERT_H_INCLUDED
#include <assert.h>
#define	ASSERT_H_INCLUDED 1
#endif
#endif


#if DK4_USE_PRAGMA_WARNING_DISABLE
#pragma warning( push )
#pragma warning( disable: 4100 )
#endif

int
dk4recode_ascii_to_dk(
  dkChar	*dstb,
  size_t	 szdstb,
#if DK4_CHAR_SIZE > 1
  int		 DK4_ARG_UNUSED(enc),
#else
  int		 enc,
#endif
  const char	*src,
  dk4_er_t	*erp
)
{
  int		 back = 0;
#if	DK4_USE_ASSERT
  assert(NULL != dstb);
  assert(0 < szdstb);
  assert(NULL != src);
#endif
  if ((NULL != dstb) && (0 < szdstb) && (NULL != src)) {
#if DK4_CHAR_SIZE > 1
    DK4_UNUSED_ARG(enc)
#if DK4_CHAR_SIZE > 2
    back = dk4recode_ascii_to_c32(dstb, szdstb, src, erp);
#else
    back = dk4recode_ascii_to_utf16(dstb, szdstb, src, erp);
#endif
#else
    switch (enc) {
      case DK4_ENCODING_UTF8: {
        back = dk4recode_ascii_to_utf8(dstb, szdstb, src, erp);
      } break;
      case DK4_ENCODING_WIN1252: {
        back = dk4recode_ascii_to_ansi(dstb, szdstb, src, erp);
      } break;
      default: {
        back = dk4str8_cpy_s(dstb, szdstb, src, erp);
      } break;
    }
#endif
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}

#if _WIN32 && defined(_MSC_VER) && (_MSC_VER >= 1700)
#pragma warning( pop )
#endif