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path: root/support/dktools/dk4strmo32.c
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/*
Copyright (C) 2015-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/

/*
	WARNING: This file was generated by the dkct program (see
	http://dktools.sourceforge.net/ for details).
	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: dk4strmo32.ctr
*/

/**	@file dk4strmo32.c The dk4strmo32 module.
*/


#line 110 "dk4strmo32.ctr"

#include "dk4conf.h"
#include "dk4strmo32.h"
#include "dk4mem.h"
#include "dk4ansi.h"
#include "dk4utf8.h"
#include "dk4utf16.h"
#include "dk4enc.h"
#include "dk4rec26.h"

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




#line 129 "dk4strmo32.ctr"



void
dk4stream_set_output_encoding(dk4_stream_t *strm, int oe)
{
  

#line 136 "dk4strmo32.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != strm);
#endif
  if (NULL != strm) {
    switch (oe) {
      case DK4_FILE_ENCODING_PLAIN:
      case DK4_FILE_ENCODING_WIN1252:
      case DK4_FILE_ENCODING_UTF8:
      case DK4_FILE_ENCODING_UTF16_LE:
      case DK4_FILE_ENCODING_UTF16_BE:
      case DK4_FILE_ENCODING_32_LE:
      case DK4_FILE_ENCODING_32_BE:
      {
        strm->oenc = oe;
      } break;
    }
  } 

#line 153 "dk4strmo32.ctr"
}



int
dk4stream_c32_putc(dk4_stream_t *strm, dk4_c32_t c32, dk4_er_t *erp)
{
  unsigned char	buf[16];
  dk4_c16_t	b16[4];
  size_t	sz;
  int		back	=	0;
  

#line 165 "dk4strmo32.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != strm);
#endif
  if (NULL != strm) {					

#line 169 "dk4strmo32.ctr"
    if (0 != ((strm->fl) & DK4_STREAM_WRITE)) {		

#line 170 "dk4strmo32.ctr"
      switch (strm->oenc) {
        case DK4_FILE_ENCODING_PLAIN: {			

#line 172 "dk4strmo32.ctr"
	  if (dkC32(0x00000100) > c32) {
	    back = dk4stream_write_byte(strm, (unsigned char)c32, erp);
	  } else {
            dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	  }
	} break;
        case DK4_FILE_ENCODING_WIN1252: {			

#line 179 "dk4strmo32.ctr"
	  if (0 != dk4ansi_encode(buf, c32)) {
	    back = dk4stream_write_byte(strm, buf[0], erp);
	  } else {
	    dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	  }
	} break;
        case DK4_FILE_ENCODING_UTF8: {			

#line 186 "dk4strmo32.ctr"
	  sz = sizeof(buf);
	  if (0 != dk4utf8_encode(buf, &sz, c32, NULL)) {
	    back = dk4stream_write(strm, (void *)buf, sz, erp);
	  } else {
	    dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	  }
	} break;
        case DK4_FILE_ENCODING_UTF16_LE: {		

#line 194 "dk4strmo32.ctr"
	  sz = DK4_SIZEOF(b16,dk4_c16_t);
	  if (0 != dk4utf16_encode(b16, &sz, c32, erp)) {	

#line 196 "dk4strmo32.ctr"
	    if ((1 == sz) || (2 == sz)) {
	      buf[0] = (unsigned char)( b16[0]       & 0x00FF);
	      buf[1] = (unsigned char)((b16[0] >> 8) & 0x00FF);
	      if (2 == sz) {				

#line 200 "dk4strmo32.ctr"
	        buf[2] = (unsigned char)( b16[1]       & 0x00FF);
		buf[3] = (unsigned char)((b16[1] >> 8) & 0x00FF);
		

#line 203 "dk4strmo32.ctr"
		back = dk4stream_write(strm, (void *)buf, 4, erp);
	      } else {					

#line 205 "dk4strmo32.ctr"
	        

#line 206 "dk4strmo32.ctr"
	        back = dk4stream_write(strm, (void *)buf, 2, erp);
	      }
	    } else {
	      dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	    }
	  } else {						

#line 212 "dk4strmo32.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	  }
	} break;
        case DK4_FILE_ENCODING_UTF16_BE: {		

#line 216 "dk4strmo32.ctr"
	  sz = DK4_SIZEOF(b16,dk4_c16_t);
	  if (0 != dk4utf16_encode(b16, &sz, c32, erp)) {	

#line 218 "dk4strmo32.ctr"
	    if ((1 == sz) || (2 == sz)) {
	      buf[1] = (unsigned char)( b16[0]       & 0x00FF);
	      buf[0] = (unsigned char)((b16[0] >> 8) & 0x00FF);
	      if (2 == sz) {					

#line 222 "dk4strmo32.ctr"
	        buf[3] = (unsigned char)( b16[1]       & 0x00FF);
		buf[2] = (unsigned char)((b16[1] >> 8) & 0x00FF);
		back = dk4stream_write(strm, (void *)buf, 4, erp);
	      } else {						

#line 226 "dk4strmo32.ctr"
	        back = dk4stream_write(strm, (void *)buf, 2, erp);
	      }
	    } else {						

#line 229 "dk4strmo32.ctr"
	      dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	    }
	  } else {						

#line 232 "dk4strmo32.ctr"
	    dk4error_set_simple_error_code(erp, DK4_E_ENCODING_FAILED);
	  }
	} break;
        case DK4_FILE_ENCODING_32_LE: {		

#line 236 "dk4strmo32.ctr"
	  buf[0] = (unsigned char)( c32        & dkC32(0x000000FF));
	  buf[1] = (unsigned char)((c32 >>  8) & dkC32(0x000000FF));
	  buf[2] = (unsigned char)((c32 >> 16) & dkC32(0x000000FF));
	  buf[3] = (unsigned char)((c32 >> 24) & dkC32(0x000000FF));
	  back   = dk4stream_write(strm, (void *)buf, 4, erp);
	} break;
        case DK4_FILE_ENCODING_32_BE: {		

#line 243 "dk4strmo32.ctr"
	  buf[3] = (unsigned char)( c32        & dkC32(0x000000FF));
	  buf[2] = (unsigned char)((c32 >>  8) & dkC32(0x000000FF));
	  buf[1] = (unsigned char)((c32 >> 16) & dkC32(0x000000FF));
	  buf[0] = (unsigned char)((c32 >> 24) & dkC32(0x000000FF));
	  back   = dk4stream_write(strm, (void *)buf, 4, erp);
	} break;
	default: {
	  dk4error_set_simple_error_code(erp, DK4_E_BUG);
	} break;
      }
    } else{
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  } 

#line 259 "dk4strmo32.ctr"
  return back;
}



int
dk4stream_c32_puts(dk4_stream_t *strm, const dk4_c32_t *txt, dk4_er_t *erp)
{
  int		 back = 0;
#if	DK4_USE_ASSERT
  assert(NULL != strm);
  assert(NULL != txt);
#endif
  if ((NULL != strm) && (NULL != txt)) {
    if (0 != ((strm->fl) & DK4_STREAM_WRITE)) {
      back = 1;
      while ((dkC32(0) != *txt) && (1 == back)) {
        if (0 == dk4stream_c32_putc(strm, *(txt++), erp)) {
	  back = 0;
	}
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  }
  return back;
}



int
dk4stream_write_bom_if_necessary(dk4_stream_t *strm, dk4_er_t *erp)
{
  int		 back = 0;
  

#line 296 "dk4strmo32.ctr"
#if	DK4_USE_ASSERT
  assert(NULL != strm);
#endif
  if (NULL != strm) {
    if (0 != ((strm->fl) & DK4_STREAM_WRITE)) {
      switch (strm->oenc) {
#if VERSION_BEFORE_20141218
	/*	For UTF-8 files most text editors do not handle
		the BOM correctly, they show a glyph for unrepresentable
		characters.
		So I decided to write a BOM only for 16 bit and 32 bit
		character output.
	*/
        case DK4_FILE_ENCODING_UTF8:
#endif
        case DK4_FILE_ENCODING_UTF16_LE:
        case DK4_FILE_ENCODING_UTF16_BE:
        case DK4_FILE_ENCODING_32_LE:
        case DK4_FILE_ENCODING_32_BE:
	{ 

#line 316 "dk4strmo32.ctr"
	  back = dk4stream_c32_putc(strm, dkC32(0x0000FEFF), erp);
	} break;
	default: {
	  back = 1;
	} break;
      }
    } else {
      dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
    }
  } else {
    dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS);
  } 

#line 328 "dk4strmo32.ctr"
  return back;
}