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-rw-r--r--include/ruby/oniguruma.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/ruby/oniguruma.h b/include/ruby/oniguruma.h
index b45072f48d..9318c0db24 100644
--- a/include/ruby/oniguruma.h
+++ b/include/ruby/oniguruma.h
@@ -128,14 +128,20 @@ typedef unsigned int OnigCaseFoldType; /* case fold flag */
ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
+#define ONIG_CASE_MAPPING
+
+#ifdef ONIG_CASE_MAPPING
/* bits for actual code point count; 3 bits is more than enough, currently only 2 used */
#define OnigCodePointMaskWidth 3
#define OnigCodePointMask ((1<<OnigCodePointMaskWidth)-1)
#define OnigCodePointCount(n) ((n)&OnigCodePointMask)
#define OnigCaseFoldFlags(n) ((n)&~OnigCodePointMask)
+#endif /* ONIG_CASE_MAPPING */
+
/* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA (1<<1) */ /* no longer usable with these values! */
/* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH (1<<2) */ /* no longer usable with these values! */
+#ifdef ONIG_CASE_MAPPING
/* bits for index into table with separate titlecase mappings */
/* 10 bits provide 1024 values */
#define OnigSpecialIndexShift 3
@@ -149,10 +155,16 @@ ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
#define ONIGENC_CASE_DOWN_SPECIAL (1<<17) /* has special downcase mapping */
#define ONIGENC_CASE_MODIFIED (1<<18) /* data has been modified */
#define ONIGENC_CASE_FOLD (1<<19) /* has/needs case folding */
+#endif /* ONIG_CASE_MAPPING */
+
#define ONIGENC_CASE_FOLD_TURKISH_AZERI (1<<20) /* needs mapping specific to Turkic languages; better not change original value! */
+
+#ifdef ONIG_CASE_MAPPING
#define ONIGENC_CASE_FOLD_LITHUANIAN (1<<21) /* needs Lithuanian-specific mapping */
#define ONIGENC_CASE_ASCII_ONLY (1<<22) /* only modify ASCII range */
#define ONIGENC_CASE_IS_TITLECASE (1<<23) /* character itself is already titlecase */
+#endif /* ONIG_CASE_MAPPING */
+
#define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR (1<<30) /* better not change original value! */
#define ONIGENC_CASE_FOLD_MIN INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR