diff options
author | Paul Eggert <eggert@cs.ucla.edu> | 2011-08-15 12:19:54 -0700 |
---|---|---|
committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-08-15 12:19:54 -0700 |
commit | b24809631adbdbc48a0d140b54ff98689fc6c8d8 (patch) | |
tree | d3f77d37003d2d11b9ccc63325d506c652cfb125 /src/bidi.c | |
parent | c881564470ef15bf3f1908c1ee9eb4c3e92953fd (diff) | |
parent | 3ebec5517ea32d0c9d1954f0ea806b4fb256f12e (diff) | |
download | emacs-b24809631adbdbc48a0d140b54ff98689fc6c8d8.tar.gz |
Merge from trunk.
Diffstat (limited to 'src/bidi.c')
-rw-r--r-- | src/bidi.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/src/bidi.c b/src/bidi.c index 767af02a78a..729cf7d579e 100644 --- a/src/bidi.c +++ b/src/bidi.c @@ -79,6 +79,11 @@ typedef enum { STRONG } bidi_category_t; +/* UAX#9 says to search only for L, AL, or R types of characters, and + ignore RLE, RLO, LRE, and LRO, when determining the base paragraph + level. Yudit indeed ignores them. This variable is therefore set + by default to ignore them, but setting it to zero will take them + into account. */ extern int bidi_ignore_explicit_marks_for_paragraph_level EXTERNALLY_VISIBLE; int bidi_ignore_explicit_marks_for_paragraph_level = 1; @@ -740,26 +745,16 @@ bidi_unshelve_cache (void *databuf, int just_free) static void bidi_initialize (void) { - -#include "biditype.h" -#include "bidimirror.h" - - int i; - - bidi_type_table = Fmake_char_table (Qnil, make_number (STRONG_L)); + bidi_type_table = uniprop_table (intern ("bidi-class")); + if (NILP (bidi_type_table)) + abort (); staticpro (&bidi_type_table); - for (i = 0; i < sizeof bidi_type / sizeof bidi_type[0]; i++) - char_table_set_range (bidi_type_table, bidi_type[i].from, bidi_type[i].to, - make_number (bidi_type[i].type)); - - bidi_mirror_table = Fmake_char_table (Qnil, Qnil); + bidi_mirror_table = uniprop_table (intern ("mirroring")); + if (NILP (bidi_mirror_table)) + abort (); staticpro (&bidi_mirror_table); - for (i = 0; i < sizeof bidi_mirror / sizeof bidi_mirror[0]; i++) - char_table_set (bidi_mirror_table, bidi_mirror[i].from, - make_number (bidi_mirror[i].to)); - Qparagraph_start = intern ("paragraph-start"); staticpro (&Qparagraph_start); paragraph_start_re = Fsymbol_value (Qparagraph_start); @@ -1177,10 +1172,6 @@ bidi_paragraph_init (bidi_dir_t dir, struct bidi_it *bidi_it, int no_default_p) type = bidi_get_type (ch, NEUTRAL_DIR); for (pos += nchars, bytepos += ch_len; - /* NOTE: UAX#9 says to search only for L, AL, or R types - of characters, and ignore RLE, RLO, LRE, and LRO. - However, I'm not sure it makes sense to omit those 4; - should try with and without that to see the effect. */ (bidi_get_category (type) != STRONG) || (bidi_ignore_explicit_marks_for_paragraph_level && (type == RLE || type == RLO @@ -1205,9 +1196,13 @@ bidi_paragraph_init (bidi_dir_t dir, struct bidi_it *bidi_it, int no_default_p) pos += nchars; bytepos += ch_len; } - if (type == STRONG_R || type == STRONG_AL) /* P3 */ + if ((type == STRONG_R || type == STRONG_AL) /* P3 */ + || (!bidi_ignore_explicit_marks_for_paragraph_level + && (type == RLO || type == RLE))) bidi_it->paragraph_dir = R2L; - else if (type == STRONG_L) + else if (type == STRONG_L + || (!bidi_ignore_explicit_marks_for_paragraph_level + && (type == LRO || type == LRE))) bidi_it->paragraph_dir = L2R; if (!string_p && no_default_p && bidi_it->paragraph_dir == NEUTRAL_DIR) |