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path: root/support/dktools/dk4tsp16.c
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/*
	WARNING: This file was generated by dkct.
	Changes you make here will be lost if dkct is run again!
	You should modify the original source and run dkct on it.
	Original source: dk4tsp16.ctr
*/

/*
Copyright (C) 2015-2017, Dirk Krause

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above opyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.
* Neither the name of the author nor the names of contributors may be used
  to endorse or promote products derived from this software without specific
  prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**	@file dk4tsp16.c The dk4tsp16 module.
*/


#line 214 "dk4tsp16.ctr"

#include "dk4tsp16.h"
#include "dk4enc.h"
#include "dk4mem.h"
#include "dk4ansi.h"
#include "dk4utf8.h"
#include "dk4utf16.h"
#include "dk4c32.h"





#line 226 "dk4tsp16.ctr"



/**	Initialize text stream processing structure.
	@param	tsp	Text stream processor.
	@param	eie	Expected input encoding.
*/
static
void
dk4tsp16_init(dk4_tsp16_t *tsp, int eie)
{
  DK4_MEMRES(tsp, sizeof(dk4_tsp16_t));
  dk4bom_detect_init(&(tsp->bomd), eie);
  dk4error_init(&(tsp->er_en));
  dk4error_init(&(tsp->er_pr));
  tsp->inbuf = NULL;
  tsp->obj = NULL;
  tsp->in_sz = 0;
  tsp->in_us = 0;
  tsp->ief = eie;
  tsp->iee = eie;
  tsp->pst = 0;
  (tsp->pos).bytes  = (dk4_um_t)0UL;
  (tsp->pos).chars  = (dk4_um_t)1UL;
  (tsp->pos).lineno = (dk4_um_t)1UL;
  (tsp->pos).charil = (dk4_um_t)1UL;
}



/**	Initialize decoder for found input encoding.
	@param	tsp	Text stream processor.
*/
static
void
dk4tsp16_initialize_decoder(dk4_tsp16_t *tsp)
{
  switch (tsp->ief) {
    case DK4_FILE_ENCODING_UTF8: {
      dk4utf8_init(&((tsp->dec).u08));
    } break;
    case DK4_FILE_ENCODING_UTF16_LE: {
      dk4utf16_byte_init(&((tsp->dec).u16), 0);
    } break;
    case DK4_FILE_ENCODING_UTF16_BE: {
      dk4utf16_byte_init(&((tsp->dec).u16), 1);
    } break;
    case DK4_FILE_ENCODING_32_LE: {
      dk4c32_decoder_init(&((tsp->dec).c32), 0);
    } break;
    case DK4_FILE_ENCODING_32_BE: {
      dk4c32_decoder_init(&((tsp->dec).c32), 1);
    } break;
  }
}



#if 0
static
int
dk4tsp16_process_character(
  dk4_tsp16_t	*tsp,
  dk4_c16_t	 chr
)
{
  int		 back	=	DK4_TSP_RES_FATAL;
  

#line 294 "dk4tsp16.ctr"
  /* Increase position */
  (tsp->pos).chars  += (dk4_um_t)1UL;
  (tsp->pos).charil += (dk4_um_t)1UL;
  /* Check for line buffering or direct processing */
  if ((NULL != tsp->inbuf) && (0 < tsp->in_sz) && (NULL != (tsp->fct).lh)) {
    

#line 300 "dk4tsp16.ctr"
    if (tsp->in_us < tsp->in_sz) {
      (tsp->inbuf)[tsp->in_us] = chr;
      tsp->in_us += 1;
      back = DK4_TSP_RES_OK;
      if ((dk4_c16_t)'\n' == chr) {
        back = DK4_TSP_RES_FATAL;
        if (tsp->in_us < tsp->in_sz) {
	  (tsp->inbuf)[tsp->in_us] = (dk4_c16_t)'\0';
	  back = (*((tsp->fct).lh))(
	    tsp->obj,tsp->inbuf,(tsp->pos).lineno,&(tsp->er_pr)
	  );
	} else {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	}
	tsp->in_us = 0;
      }
    } else {
      dk4error_set_with_position(
        &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
        (tsp->pos).bytes, (tsp->pos).lineno,
        (tsp->pos).chars, (tsp->pos).charil
      );
    }
  } else {
    

#line 329 "dk4tsp16.ctr"
    if (NULL != (tsp->fct).ch) {
      back = (*((tsp->fct).ch))(tsp->obj, chr, &(tsp->pos), &(tsp->er_pr));
    }
  }
  /* Increase line number for newline characters */
  if ((dk4_c16_t)('\n') == chr) {
    (tsp->pos).lineno += (dk4_um_t)1UL;
    (tsp->pos).charil  = (dk4_um_t)1UL;
  } 

#line 338 "dk4tsp16.ctr"
  return back;
}
#endif



/**	Process a group of 16 bit characters, the group represents
	one 32 bit character.
	@param	tsp	Text stream processor.
	@param	buf	Buffer of 16 bit characters.
	@param	sz	Number of 16 bit characters.
	@return	DK4_TSP_RES_OK		if the characters were processed
					successfully,
		DK4_TSP_RES_ERROR	if there was an error but we can
					continue,
		DK4_TSP_RES_FATAL	if there was a fatal error so
					we should abort processing.
*/
static
int
dk4tsp16_process_group(dk4_tsp16_t *tsp, dk4_c16_t *buf, size_t sz)
{
  size_t	 i	= 	0;
  int		 back	=	DK4_TSP_RES_FATAL;
  int		 res	=	DK4_TSP_RES_FATAL;
  

#line 364 "dk4tsp16.ctr"
  /* Increase position */
  (tsp->pos).chars  += (dk4_um_t)1UL;
  (tsp->pos).charil += (dk4_um_t)1UL;
  /* Check for line buffering or direct processing */
  if ((NULL != tsp->inbuf) && (0 < tsp->in_sz) && (NULL != (tsp->fct).lh)) {
    

#line 370 "dk4tsp16.ctr"
    if (sz < tsp->in_sz) {
      if (tsp->in_us < (tsp->in_sz - sz)) {
        /* Append group to line and increase used size */
        DK4_MEMCPY(&((tsp->inbuf)[tsp->in_us]),buf,(sizeof(dk4_c16_t)*sz));
	tsp->in_us += sz;
	back = DK4_TSP_RES_OK;
	/* On newline, process the line buffer */
	if ((1 == sz) && ((dk4_c16_t)'\n' == buf[0])) {
	  back = DK4_TSP_RES_FATAL;
	  if (tsp->in_us < tsp->in_sz) {
	    (tsp->inbuf)[tsp->in_us] = (dk4_c16_t)'\0';
	    back = (*((tsp->fct).lh))(
	      tsp->obj,tsp->inbuf,(tsp->pos).lineno,&(tsp->er_pr)
	    );
	  } else {
	    /* ERROR: Buffer too small */
	    dk4error_set_with_position(
	      &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
	      (tsp->pos).bytes, (tsp->pos).lineno,
	      (tsp->pos).chars, (tsp->pos).charil
	    );
	  }
	  tsp->in_us = 0;
	}
      } else {
        /* ERROR: Buffer too small */
	back = DK4_TSP_RES_FATAL;
	dk4error_set_with_position(
	  &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
	  (tsp->pos).bytes, (tsp->pos).lineno,
	  (tsp->pos).chars, (tsp->pos).charil
	);
      }
    } else {
      /* ERROR: Buffer too small */
      back = DK4_TSP_RES_FATAL;
      dk4error_set_with_position(
        &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
        (tsp->pos).bytes, (tsp->pos).lineno,
        (tsp->pos).chars, (tsp->pos).charil
      );
    }
  } else {
    

#line 414 "dk4tsp16.ctr"
    if (NULL != (tsp->fct).ch) {
      back = DK4_TSP_RES_OK;
      for (i = 0; i < sz; i++) {
        res = (*((tsp->fct).ch))(tsp->obj, buf[i], &(tsp->pos), &(tsp->er_pr));
	switch (res) {
	  case DK4_TSP_RES_FATAL: {
	    back = DK4_TSP_RES_FATAL;
	  } break;
	  case DK4_TSP_RES_ERROR: {
	    if (DK4_TSP_RES_OK == back) { back = DK4_TSP_RES_ERROR; }
	  } break;
	}
      }
    } else {
      dk4error_set_with_position(
        &(tsp->er_en), DK4_E_INVALID_ARGUMENTS,
        (tsp->pos).bytes, (tsp->pos).lineno,
        (tsp->pos).chars, (tsp->pos).charil
      );
    }
  }
  /* If we have a newline, increase line number and reset char in line */
  if (1 == sz) {
    if ((dk4_c16_t)('\n') == buf[0]) {
      (tsp->pos).lineno += (dk4_um_t)1UL;
      (tsp->pos).charil  = (dk4_um_t)1UL;
    }
  }
  

#line 443 "dk4tsp16.ctr"
  return back;
}



/**	Normal processing for one byte.
	Retrieve a 32 bit character first, either by decoding directly
	or by adding to a decoder. In the next step encode the 32 bit
	character in one or two 16 bit characters and process these.
	@param	tsp	Text stream processor.
	@param	inbyte	Byte to process.
	@return	Operation result, one from DK4_TSP_RES_OK,
	DK4_TSP_RES_ERROR or DK4_TSP_RES_FATAL.
*/
static
int
dk4tsp16_process_byte(dk4_tsp16_t *tsp, unsigned char inbyte)
{
  dk4_c16_t	 buf[8];
  dk4_c32_t	 c32;
  size_t	 sz;
  int		 back	=	DK4_TSP_RES_FATAL;
  int		 cuc32	=	0;
  int		 res	=	0;
  /* Add byte to decoder, attempt to retrieve a 32 bit character */
  switch (tsp->ief) {
    case DK4_FILE_ENCODING_ASCII: {
      c32 = (dk4_c32_t)inbyte;
      cuc32 = 1;
    } break;
    case DK4_FILE_ENCODING_ANSI: {
      if (0 != dk4ansi_decode(&c32, inbyte)) {
        cuc32 = 1;
      } else {
	dk4error_set_with_position(
	  &(tsp->er_en), DK4_E_DECODING_FAILED,
	  (tsp->pos).bytes, (tsp->pos).lineno,
	  (tsp->pos).chars, (tsp->pos).charil
	);
      }
    } break;
    case DK4_FILE_ENCODING_UTF8: {
      res = dk4utf8_add(&((tsp->dec).u08), inbyte);
      switch (res) {
        case DK4_EDSTM_ERROR: {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_DECODING_FAILED,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	} break;
	case DK4_EDSTM_FINISHED: {
	  c32 = dk4utf8_get(&((tsp->dec).u08));
	  cuc32 = 1;
	  dk4utf8_init(&((tsp->dec).u08));
	} break;
	case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
      }
    } break;
    case DK4_FILE_ENCODING_UTF16_LE: {
      res = dk4utf16_byte_add(&((tsp->dec).u16), inbyte);
      switch (res) {
        case DK4_EDSTM_ERROR: {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_DECODING_FAILED,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	} break;
	case DK4_EDSTM_FINISHED: {
	  c32 = dk4utf16_byte_get(&((tsp->dec).u16));
	  cuc32 = 1;
	  dk4utf16_byte_init(&((tsp->dec).u16), 0);
	} break;
	case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
      }
    } break;
    case DK4_FILE_ENCODING_UTF16_BE: {
      res = dk4utf16_byte_add(&((tsp->dec).u16), inbyte);
      switch (res) {
        case DK4_EDSTM_ERROR: {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_DECODING_FAILED,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	} break;
	case DK4_EDSTM_FINISHED: {
	  c32 = dk4utf16_byte_get(&((tsp->dec).u16));
	  cuc32 = 1;
	  dk4utf16_byte_init(&((tsp->dec).u16), 1);
	} break;
	case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
      }
    } break;
    case DK4_FILE_ENCODING_32_LE: {
      res = dk4c32_decoder_add(&((tsp->dec).c32), inbyte);
      switch (res) {
        case DK4_EDSTM_ERROR: {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_DECODING_FAILED,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	} break;
	case DK4_EDSTM_FINISHED: {
	  c32 = dk4c32_decoder_get(&((tsp->dec).c32));
	  cuc32 = 1;
	  dk4c32_decoder_init(&((tsp->dec).c32), 0);
	} break;
	case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
      }
    } break;
    case DK4_FILE_ENCODING_32_BE: {
      res = dk4c32_decoder_add(&((tsp->dec).c32), inbyte);
      switch (res) {
        case DK4_EDSTM_ERROR: {
	  dk4error_set_with_position(
	    &(tsp->er_en), DK4_E_DECODING_FAILED,
	    (tsp->pos).bytes, (tsp->pos).lineno,
	    (tsp->pos).chars, (tsp->pos).charil
	  );
	} break;
	case DK4_EDSTM_FINISHED: {
	  c32 = dk4c32_decoder_get(&((tsp->dec).c32));
	  cuc32 = 1;
	  dk4c32_decoder_init(&((tsp->dec).c32), 1);
	} break;
	case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
      }
    } break;
  }
  /* Process 32 bit character if we have a 32 bit char to process */
  if (0 != cuc32) {
    sz = DK4_SIZEOF(buf,dk4_c16_t);
    if (0 != dk4utf16_encode(buf, &sz, c32, NULL)) {
#if 0
      back = DK4_TSP_RES_OK;
      for (i = 0; ((i < sz) && (DK4_TSP_RES_FATAL != back)); i++) {
        switch (dk4tsp16_process_character(tsp, buf[i])) {
	  case DK4_TSP_RES_FATAL: {
	    back = DK4_TSP_RES_FATAL;
	  } break;
	  case DK4_TSP_RES_ERROR: {
	    if (DK4_TSP_RES_OK == back) { back = DK4_TSP_RES_ERROR; }
	  } break;
	}
      }
#else
      back = dk4tsp16_process_group(tsp, buf, sz);
#endif
    } else {
      dk4error_set_with_position(
        &(tsp->er_en), DK4_E_ENCODING_FAILED,
        (tsp->pos).bytes, (tsp->pos).lineno,
        (tsp->pos).chars, (tsp->pos).charil
      );
    }
  }
  if (DK4_TSP_RES_FATAL == back) {
    tsp->pst = 2;
  }
  return back;
}



/**	Add one byte to internal data structures
	(BOM detection and/or normal processing).
	@param	tsp	Text stream processor.
	@param	inbyte	Byte to add.
	@return	Operation result, one from DK4_TSP_RES_OK,
	DK4_TSP_RES_ERROR or DK4_TSP_RES_FATAL.
*/
static
int
dk4tsp16_i_add_one_byte(
  dk4_tsp16_t	*tsp,
  unsigned char	 inbyte
)
{
  size_t	 nrej;
  size_t	 i;
  int		 back	=	DK4_TSP_RES_FATAL;
  int		 res;
  unsigned char	 uc;
  

#line 640 "dk4tsp16.ctr"
  (tsp->pos).bytes += (dk4_um_t)1UL;
  switch (tsp->pst) {
    case 0: {			

#line 643 "dk4tsp16.ctr"
      res = dk4bom_detect_add(&(tsp->bomd), inbyte);
      switch (res) {
        case DK4_EDSTM_ACCEPT: {
	  back = DK4_TSP_RES_OK;
	} break;
	case DK4_EDSTM_FINISHED: case DK4_EDSTM_FINISHED_WITH_UNUSED: {
	  /* Result is acceptable */
	  back = DK4_TSP_RES_OK;
	  /* Retrieve found encoding */
	  tsp->ief = dk4bom_detect_get_encoding(&(tsp->bomd));
	  /* If necessary, initialize decoder */
	  dk4tsp16_initialize_decoder(tsp);
	  /* Switch to normal processing */
	  tsp->pst = 1;
	  /* Process bytes stored in BOM detector */
	  if (DK4_EDSTM_FINISHED_WITH_UNUSED == res) {
	    nrej = dk4bom_detect_num_unused_bytes(&(tsp->bomd));
	    if (0 < nrej) {
	      for (i = 0; ((i < nrej) && (DK4_TSP_RES_FATAL != back)); i++) {
	        uc = dk4bom_detect_unused_byte(&(tsp->bomd), i);
		switch (dk4tsp16_process_byte(tsp, uc)) {
		  case DK4_TSP_RES_FATAL: {
		    back = DK4_TSP_RES_FATAL;
		  } break;
		  case DK4_TSP_RES_ERROR: {
		    if (DK4_TSP_RES_OK == back) {
		      back = DK4_TSP_RES_ERROR;
		    }
		  } break;
		}
	      }
	    }
	  }
	} break;
      }
    } break;
    case 1: {			

#line 680 "dk4tsp16.ctr"
      back = dk4tsp16_process_byte(tsp, inbyte);
    } break;
    /*
    	Processing stage 2 indicates there was a serious error
	before, we must skip further processing.
	This situation is covered by the initialization value
	DK4_TSP_RES_FATAL, so we do not need a case branch here.
    */
  }
  

#line 690 "dk4tsp16.ctr"
  return back;
}



int
dk4tsp16_setup_char(
  dk4_tsp16_t		*tsp,
  void			*obj,
  dk4_c16_handler_t	*fct,
  int			 eie,
  dk4_er_t		*erp
)
{
  int		 back	=	0;
  if (NULL != tsp) {
    dk4tsp16_init(tsp, eie);
    if (NULL != fct) {
      tsp->obj = obj;
      (tsp->fct).ch = fct;
      tsp->iee = eie;
      tsp->ief = eie;
      tsp->pst = 0;
      back = 1;
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
      tsp->pst = 2;
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4tsp16_setup_line(
  dk4_tsp16_t			*tsp,
  void				*obj,
  dk4_c16_line_handler_t	*fct,
  dk4_c16_t			*inbuf,
  size_t			 szin,
  int				 eie,
  dk4_er_t			*erp
)
{
  int		 back	=	0;
  if (NULL != tsp) {
    dk4tsp16_init(tsp, eie);
    if ((NULL != fct) && (NULL != inbuf) && (0 < szin)) {
      tsp->obj = obj;
      (tsp->fct).lh = fct;
      tsp->inbuf = inbuf;
      tsp->in_sz = szin;
      tsp->in_us = 0;
      tsp->iee = eie;
      tsp->ief = eie;
      tsp->pst = 0;
      back = 1;
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
      tsp->pst = 2;
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4tsp16_add_one_byte(
  dk4_tsp16_t	*tsp,
  unsigned char	 inbyte
)
{
  int		 back	=	DK4_TSP_RES_FATAL;
  if (NULL != tsp) {
    if (2 > tsp->pst) {
      back = dk4tsp16_i_add_one_byte(tsp, inbyte);
    }
  }
  return back;
}



int
dk4tsp16_add_bytes(
  dk4_tsp16_t		*tsp,
  const unsigned char	*buffer,
  size_t		 sz
)
{
  int		back	=	DK4_TSP_RES_FATAL;	/* Function result */
  int		res;					/* Processing result */
  if ((NULL != tsp) && (NULL != buffer) && (0 < sz)) {
    if (2 > tsp->pst) {
      back = DK4_TSP_RES_OK;
      while ((sz--) && (2 > tsp->pst)) {
        res = dk4tsp16_i_add_one_byte(tsp, *(buffer++));
	switch (res) {
	  case DK4_TSP_RES_FATAL: {
	    back = DK4_TSP_RES_FATAL;
	  } break;
	  case DK4_TSP_RES_ERROR: {
	    if (DK4_TSP_RES_OK == back) {
	      back = DK4_TSP_RES_ERROR;
	    }
	  } break;
	}
      }
    }
  }
  return back;
}



int
dk4tsp16_finish(dk4_tsp16_t *tsp)
{
  size_t	 nrej =	0;			/* Number of unused bytes */
  size_t	 i    =	0;			/* Current unused byte index */
  int		 back =	DK4_TSP_RES_FATAL;	/* Function result */
  int		 res;				/* Operation result */
  unsigned char	 uc;				/* Current unused byte */
  if (NULL != tsp) {
    /*	Flush all unprocessed output
	1. If there are unprocessed bytes in the BOM detector as BOM
	   detection was not completed, process these bytes.
	2. If there are characters in the line buffer,
	   finalize the line buffer text and process it.
    */
    back = DK4_TSP_RES_OK;
    /* Retrieve an process bytes stored in BOM detector */
    if (0 == tsp->pst) {
      tsp->pst = 1;
      nrej = dk4bom_detect_num_unused_bytes(&(tsp->bomd));
      if (0 < nrej) {
        dk4tsp16_initialize_decoder(tsp);
	for (i = 0; ((i < nrej) && (2 > tsp->pst)); i++) {
	  uc = dk4bom_detect_unused_byte(&(tsp->bomd), i);
	  switch (dk4tsp16_process_byte(tsp, uc)) {
	    case DK4_TSP_RES_FATAL: {
	      back = DK4_TSP_RES_FATAL;
	      tsp->pst = 2;
	    } break;
	    case DK4_TSP_RES_ERROR: {
	      if (DK4_TSP_RES_OK == back) { back = DK4_TSP_RES_ERROR; }
	    } break;
	  }
	}
      }
    }
    /* Process final line */
    if ((NULL != tsp->inbuf) && (0 < tsp->in_sz) && (NULL != (tsp->fct).lh)) {
      if (0 < tsp->in_us) {
        if (2 > tsp->pst) {
	  if (tsp->in_us < tsp->in_sz) {
	    (tsp->inbuf)[tsp->in_us] = (dk4_c16_t)'\0';
	    res =
	    (*((tsp->fct).lh))(
	      tsp->obj,tsp->inbuf,(tsp->pos).lineno,&(tsp->er_pr)
	    );
	    switch (res) {
	      case DK4_TSP_RES_FATAL: {
	        back = DK4_TSP_RES_FATAL;
		tsp->pst = 2;
	      } break;
	      case DK4_TSP_RES_ERROR: {
	        if (DK4_TSP_RES_OK == back) { back = DK4_TSP_RES_ERROR; }
	      } break;
	    }
	  } else {
            back = DK4_TSP_RES_FATAL;
	    tsp->pst = 2;
            dk4error_set_with_position(
              &(tsp->er_en), DK4_E_BUFFER_TOO_SMALL,
              (tsp->pos).bytes, (tsp->pos).lineno,
              (tsp->pos).chars, (tsp->pos).charil
            );
	  }
        }
      }
    }
  }
  return back;
}



void
dk4tsp16_get_errors(dk4_er_t *er_en, dk4_er_t *er_pr, dk4_tsp16_t *tsp)
{
  if (NULL != tsp) {
    if (NULL != er_en) {
      DK4_MEMCPY(er_en, &(tsp->er_en), sizeof(dk4_er_t));
    }
    if (NULL != er_pr) {
      DK4_MEMCPY(er_pr, &(tsp->er_pr), sizeof(dk4_er_t));
    }
  }
}