/* 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 [email protected]
*/
#ifndef __LIBLOUIS_H_
#define __LIBLOUIS_H_
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#define widechar unsigned short int
#define formtype unsigned char
#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, formtype *typeform, char *spacing,
int
mode);
int EXPORT_CALL lou_translate (const char *tableList, const widechar
* inbuf,
int *inlen, widechar * outbuf, int *outlen,
formtype *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, formtype
*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, formtype
*typeform, char
*spacing, int mode);
int EXPORT_CALL lou_backTranslate (const char *tableList, const widechar
* inbuf,
int *inlen, widechar * outbuf,
int *outlen, formtype *typeform,
char *spacing, int *outputPos,
int *inputPos, int *cursorPos, int mode);
void EXPORT_CALL lou_logPrint (const char *format, ...);
/* Prints error messages to a file
@deprecated As of 2.6.0, applications using liblouis should implement
their own logging system. */
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
*/
void EXPORT_CALL lou_registerTableResolver (char ** (* resolver) (const char *table, const char *base));
/* Register a new table resolver. Overrides the default resolver. */
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 */
typedef void (*logcallback)(int level, const char *message);
void EXPORT_CALL lou_registerLogCallback(logcallback callback);
/* Register logging callbacks
* Set to NULL for default callback.
*/
typedef enum
{
LOG_ALL = -2147483647 - 1,
LOG_DEBUG = 10000,
LOG_INFO = 20000,
LOG_WARN = 30000,
LOG_ERROR = 40000,
LOG_FATAL = 50000,
LOG_OFF = 2147483647
} logLevels;
void EXPORT_CALL lou_setLogLevel(logLevels level);
/* Set the level for logging callback to be called at */
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_ */
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