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Man Pages


Manual Reference Pages  -  FRIBIDI_REMOVE_BIDI_MARKS (3)

NAME

fribidi_remove_bidi_marks - remove bidi marks out of an string

CONTENTS

SYNOPSIS

#include <fribidi.h>

FriBidiStrIndex fribidi_remove_bidi_marks
(
        FriBidiChar *str,
        const FriBidiStrIndex len,
        FriBidiStrIndex *positions_to_this,
        FriBidiStrIndex *position_from_this_list,
        FriBidiLevel *embedding_levels
);

PARAMETERS

FriBidiChar *str
  Input string to clean.
const FriBidiStrIndex len
  Input string length.
FriBidiStrIndex *positions_to_this
  List mapping positions to the order used in str.
FriBidiStrIndex *position_from_this_list
  List mapping positions from the order used in str.
FriBidiLevel *embedding_levels
  List of embedding levels.

DESCRIPTION

This function removes the bidi and boundary-neutral marks out of an string and the accompanying lists. It implements rule X9 of the Unicode Bidirectional Algorithm available at http://www.unicode.org/reports/tr9/#X9, with the exception that it removes U+200E LEFT-TO-RIGHT MARK and U+200F RIGHT-TO-LEFT MARK too.

If any of the input lists are NULL, the list is skipped. If str is the visual string, then positions_to_this is positions_L_to_V and position_from_this_list is positions_V_to_L; if str is the logical string, the other way. Moreover, the position maps should be filled with valid entries.

A position map pointing to a removed character is filled with -1. By the way, you should not use embedding_levels if str is visual string.

For best results this function should be run on a whole paragraph, not lines; but feel free to do otherwise if you know what you are doing. Deprecated. Use fribidi_remove_special_chars instead.

RETURNS

New length of the string, or -1 if an error occured (memory allocation failure most probably).

SEE ALSO

fribidi_charset_to_unicode(3), fribidi_unicode_to_charset(3), fribidi_parse_charset(3), fribidi_shape_arabic(3), fribidi_get_par_direction(3), fribidi_get_par_embedding_levels(3), fribidi_reorder_line(3), fribidi_get_bidi_type(3), fribidi_get_bidi_types(3), fribidi_get_bidi_type_name(3), fribidi_debug_status(3), fribidi_mirroring_status(3), fribidi_set_mirroring(3), fribidi_reorder_nsm_status(3), fribidi_set_reorder_nsm(3), fribidi_log2vis_get_embedding_levels(3), fribidi_get_type(3), fribidi_get_type_internal(3), fribidi_log2vis(3), fribidi_join_arabic(3), fribidi_get_joining_type(3), fribidi_get_joining_types(3), fribidi_get_joining_type_name(3), fribidi_get_mirror_char(3), fribidi_shape_mirroring(3), fribidi_shape(3)
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GNU FriBidi 0.19.7 FRIBIDI_REMOVE_BIDI_MARKS (3) 6 December 2012

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