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authorStephen Kitt <skitt@debian.org>2016-05-27 10:11:04 +0200
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:28:33 +0100
commit752fd7247bc223bcea35bd89cf56d1c08ead9ba6 (patch)
treeb4a428f847a963738faaf24c8eff070fdb03a3a5 /lib/unigbrk/uc-is-grapheme-break.c
parent9f7d4fa477ff2a51d7c932b13d57ac22dc033105 (diff)
parenta9a31b1de5776a3b08a82101a4fa711294f0dd1d (diff)
Imported Debian patch 0.9.6+really0.9.3-0.1debian/0.9.6+really0.9.3-0.1
Diffstat (limited to 'lib/unigbrk/uc-is-grapheme-break.c')
-rw-r--r--lib/unigbrk/uc-is-grapheme-break.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/lib/unigbrk/uc-is-grapheme-break.c b/lib/unigbrk/uc-is-grapheme-break.c
deleted file mode 100644
index 049cc4cf..00000000
--- a/lib/unigbrk/uc-is-grapheme-break.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* Grapheme cluster break function.
- Copyright (C) 2010-2015 Free Software Foundation, Inc.
- Written by Ben Pfaff <blp@cs.stanford.edu>, 2010.
-
- This program 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.
-
- This program 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/>. */
-
-#include <config.h>
-
-/* Specification. */
-#include "unigbrk.h"
-
-/* Evaluates to true if there is an extended grapheme cluster break between
- code points with GBP_* values A and B, false if there is not. The comments
- are the grapheme cluster boundary rules from in UAX #29. */
-#define UC_IS_GRAPHEME_BREAK(A, B) \
- (/* GB1 and GB2 are covered--just use a GBP_CONTROL character, such \
- as 0, for sot and eot. */ \
- \
- /* GB3 */ \
- (A) == GBP_CR && (B) == GBP_LF ? false : \
- \
- /* GB4 */ \
- (A) == GBP_CONTROL || (A) == GBP_CR || (A) == GBP_LF ? true : \
- \
- /* GB5 */ \
- (B) == GBP_CONTROL || (B) == GBP_CR || (B) == GBP_LF ? true : \
- \
- /* GB6 */ \
- (A) == GBP_L && ((B) == GBP_L || (B) == GBP_V \
- || (B) == GBP_LV || (B) == GBP_LVT) ? false : \
- \
- /* GB7 */ \
- ((A) == GBP_LV || (A) == GBP_V) \
- && ((B) == GBP_V || (B) == GBP_T) ? false : \
- \
- /* GB8 */ \
- ((A) == GBP_LVT || (A) == GBP_T) && (B) == GBP_T ? false : \
- \
- /* GB8a */ \
- (A) == GBP_RI && (B) == GBP_RI ? false : \
- \
- /* GB9 */ \
- (B) == GBP_EXTEND ? false : \
- \
- /* GB9a */ \
- (B) == GBP_SPACINGMARK ? false : \
- \
- /* GB9b */ \
- (A) == GBP_PREPEND ? false \
- \
- /* GB10 */ \
- : true)
-
-#define UC_GRAPHEME_BREAKS_FOR(A) \
- ( (UC_IS_GRAPHEME_BREAK(A, GBP_OTHER) << GBP_OTHER) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_CR) << GBP_CR) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_LF) << GBP_LF) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_CONTROL) << GBP_CONTROL) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_EXTEND) << GBP_EXTEND) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_PREPEND) << GBP_PREPEND) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_SPACINGMARK) << GBP_SPACINGMARK) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_L) << GBP_L) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_V) << GBP_V) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_T) << GBP_T) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_LV) << GBP_LV) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_LVT) << GBP_LVT) \
- | (UC_IS_GRAPHEME_BREAK(A, GBP_RI) << GBP_RI))
-
-static const unsigned short int gb_table[13] =
- {
- UC_GRAPHEME_BREAKS_FOR(0), /* GBP_OTHER */
- UC_GRAPHEME_BREAKS_FOR(1), /* GBP_CR */
- UC_GRAPHEME_BREAKS_FOR(2), /* GBP_LF */
- UC_GRAPHEME_BREAKS_FOR(3), /* GBP_CONTROL */
- UC_GRAPHEME_BREAKS_FOR(4), /* GBP_EXTEND */
- UC_GRAPHEME_BREAKS_FOR(5), /* GBP_PREPEND */
- UC_GRAPHEME_BREAKS_FOR(6), /* GBP_SPACINGMARK */
- UC_GRAPHEME_BREAKS_FOR(7), /* GBP_L */
- UC_GRAPHEME_BREAKS_FOR(8), /* GBP_V */
- UC_GRAPHEME_BREAKS_FOR(9), /* GBP_T */
- UC_GRAPHEME_BREAKS_FOR(10), /* GBP_LV */
- UC_GRAPHEME_BREAKS_FOR(11), /* GBP_LVT */
- UC_GRAPHEME_BREAKS_FOR(12), /* GBP_RI */
- };
-
-bool
-uc_is_grapheme_break (ucs4_t a, ucs4_t b)
-{
- int a_gcp, b_gcp;
-
- if ((a | b) < 0x300)
- {
- /* GB3 is the only relevant rule for this case. */
- return a != '\r' || b != '\n';
- }
-
- a_gcp = uc_graphemeclusterbreak_property (a);
- b_gcp = uc_graphemeclusterbreak_property (b);
- return (gb_table[a_gcp] >> b_gcp) & 1;
-}