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deal with ONIGENC_CASE_IS_TITLECASE flag on lowercase characters

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In the function onigenc_unicode_case_map() in enc/unicode.c, deal
with the case that the ONIGENC_CASE_IS_TITLECASE flag is set on
lowercase characters. This is in preparation for Georgian Mtavruli,
which are uppercase but not titlecase, in Unicode 11.0.0.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65971 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2018-11-25 10:12:45 +00:00
parent 867d398558
commit fc6243a6a6
1 changed files with 9 additions and 4 deletions
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13
enc/unicode.c
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@ -772,10 +772,15 @@ SpecialsCopy:
}
}
}
else if ((folded = onigenc_unicode_unfold1_lookup(code)) != 0 /* data about character found in CaseUnfold_11_Table */
&& flags & OnigCaseFoldFlags(folded->n)) { /* needs and data availability match */
MODIFIED;
code = folded->code[(flags & OnigCaseFoldFlags(folded->n) & ONIGENC_CASE_TITLECASE) ? 1 : 0];
else if ((folded = onigenc_unicode_unfold1_lookup(code)) != 0) { /* data about character found in CaseUnfold_11_Table */
if ((flags & ONIGENC_CASE_TITLECASE) /* Titlecase needed, */
&& (OnigCaseFoldFlags(folded->n) & ONIGENC_CASE_IS_TITLECASE)) { /* but already Titlecase */
/* already Titlecase, no changes needed */
}
else if (flags & OnigCaseFoldFlags(folded->n)) { /* needs and data availability match */
MODIFIED;
code = folded->code[(flags & OnigCaseFoldFlags(folded->n) & ONIGENC_CASE_TITLECASE) ? 1 : 0];
}
}
}
to += ONIGENC_CODE_TO_MBC(enc, code, to);