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/* liblouis Braille Translation and Back-Translation Library

   Based on the Linux screenreader BRLTTY, copyright (C) 1999-2006 by
   The BRLTTY Team

   Copyright (C) 2004, 2005, 2006, 2009 ViewPlus Technologies, Inc.
   www.viewplus.com and JJB Software, Inc. www.jjb-software.com

   liblouis is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   liblouis is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this program. If not, see
   <http://www.gnu.org/licenses/>.

   Maintained by John J. Boyer john.boyer@abilitiessoft.com
   */

#ifndef __LIBLOUIS_H_
#define __LIBLOUIS_H_
#ifdef __cplusplus
extern "C"
{
#endif				/* __cplusplus */

#define widechar unsigned int

#ifdef _WIN32
#define EXPORT_CALL __stdcall
char * EXPORT_CALL lou_getProgramPath ();
#else
#define EXPORT_CALL
#endif

  typedef enum
  {
    plain_text = 0,
    italic = 1,
    underline = 2,
    bold = 4,
    computer_braille = 8
  } typeforms;
#define comp_emph_1 italic
#define comp_emph_2 underline
#define comp_emph_3 bold

  typedef enum
  {
    noContractions = 1,
    compbrlAtCursor = 2,
    dotsIO = 4,
    comp8Dots = 8,
    pass1Only = 16,
    compbrlLeftCursor = 32,
    otherTrans = 64,
    ucBrl = 128
  } translationModes;

char * EXPORT_CALL lou_version ();

int EXPORT_CALL lou_charSize ();

/* Return the size of widechar */

  int EXPORT_CALL lou_translateString
    (const char *tableList,
     const widechar *inbuf,
     int *inlen,
     widechar * outbuf,
     int *outlen, char *typeform, char *spacing, int mode);

  int EXPORT_CALL lou_translate (const char *tableList, const widechar
		     *inbuf,
		     int *inlen, widechar * outbuf, int *outlen,
		     char *typeform, char *spacing, int *outputPos, int 
*inputPos, int *cursorPos, int mode);

  int EXPORT_CALL lou_translatePrehyphenated (const char* tableList,
                                              const widechar* inbuf, int* inlen,
                                              widechar* outbuf, int* outlen,
                                              char* typeform, char* spacing,
                                              int* outputPos, int* inputPos, int* cursorPos,
                                              char* inputHyphens, char* outputHyphens, int mode);

int EXPORT_CALL lou_hyphenate (const char *tableList, const widechar
	       *inbuf,
      int inlen, char *hyphens, int mode);
int EXPORT_CALL lou_dotsToChar (const char *tableList, widechar *inbuf, 
      widechar *outbuf, int length, int mode);
int EXPORT_CALL lou_charToDots (const char *tableList, const widechar 
*inbuf, 
      widechar *outbuf, int length, int mode);
   int EXPORT_CALL lou_backTranslateString (const char *tableList,
			       const widechar *inbuf,
			       int *inlen,
			       widechar * outbuf,
			       int *outlen, char *typeform, char
			       *spacing, int mode);

  int EXPORT_CALL lou_backTranslate (const char *tableList, const widechar
			 *inbuf,
			 int *inlen, widechar * outbuf, int *outlen, 
char *typeform, char *spacing, int
			 *outputPos, int *inputPos, int *cursorPos, int
			 mode);
  void EXPORT_CALL lou_logPrint (char *format, ...);
/* prints error messages to a file */

  void EXPORT_CALL lou_logFile (const char *filename);
/* Specifies the name of the file to be used by lou_logPrint. If it is 
* not used, this file is stderr*/

  int EXPORT_CALL lou_readCharFromFile (const char *fileName, int *mode);
/*Read a character from a file, whether big-encian, little-endian or 
* ASCII8, and return it as an integer. EOF at end of file. Mode = 1 on 
* first call, any other value thereafter*/

  void EXPORT_CALL lou_logEnd ();
  /* Closes the log file so it can be read by other functions. */

  void * EXPORT_CALL lou_getTable (const char *tableList);
/* This function checks a table for errors. If none are found it loads 
* the table into memory and returns a pointer to it. if errors are found 
* it returns a null pointer. It is called by lou_translateString and 
* lou_backTranslateString and also by functions in liblouisxml
*/

int EXPORT_CALL lou_compileString (const char *tableList, const char 
    *inString);
  char * EXPORT_CALL lou_setDataPath (char *path);
  /* Set the path used for searching for tables and liblouisutdml files. 
  * Overrides the installation path. */

  char * EXPORT_CALL lou_getDataPath ();
  /* Get the path set in the previous function. */

//  char EXPORT_CALL * lou_getTablePaths ();
  /* Get a list of paths actually used in seraching for tables*/

  void EXPORT_CALL lou_free ();
/* This function should be called at the end of 
* the application to free all memory allocated by liblouis. */

#ifdef __cplusplus
}
#endif				/* __cplusplus */
#endif				/*LibLOUIS_H_ */