Mercurial > hg > octave-lojdl > gnulib-hg
changeset 11664:ebdc03071f2c
New module 'unicase/ignorable'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 29 Jun 2009 23:34:18 +0200 |
parents | 328bb9352b98 |
children | 9176ce0f0d16 |
files | ChangeLog lib/unicase/ignorable.c modules/unicase/ignorable |
diffstat | 3 files changed, 77 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2009-06-29 Bruno Haible <bruno@clisp.org> + New module 'unicase/ignorable'. + * lib/unicase/ignorable.c: New file. + * modules/unicase/ignorable: New file. + New module 'unicase/cased'. * lib/unicase/caseprop.h: New file. * lib/unicase/cased.c: New file.
new file mode 100644 --- /dev/null +++ b/lib/unicase/ignorable.c @@ -0,0 +1,46 @@ +/* Test whether a Unicode character is case-ignorable. + Copyright (C) 2009 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2009. + + 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 "caseprop.h" + +#include "unictype.h" +#include "uniwbrk.h" + +bool +uc_is_case_ignorable (ucs4_t uc) +{ + /* Quoting the Unicode standard: + Definition: A character is defined to be "case-ignorable" if it has the + value MidLetter {or the value MidNumLet} for the Word_Break property or + its General_Category is one of Nonspacing_Mark (Mn), Enclosing_Mark (Me), + Format (Cf), Modifier_Letter (Lm), or Modifier_Symbol (Sk). + The text marked in braces was added in Unicode 5.1.0, see + <http://www.unicode.org/versions/Unicode5.1.0/> section "Update of + Definition of case-ignorable". */ + + int wbp = uc_wordbreak_property (uc); + + return (wbp == WBP_MIDLETTER || wbp == WBP_MIDNUMLET + || uc_is_general_category_withtable (uc, UC_CATEGORY_MASK_Mn + | UC_CATEGORY_MASK_Me + | UC_CATEGORY_MASK_Cf + | UC_CATEGORY_MASK_Lm + | UC_CATEGORY_MASK_Sk)); +}
new file mode 100644 --- /dev/null +++ b/modules/unicase/ignorable @@ -0,0 +1,27 @@ +Description: +Test whether a Unicode character is "case-ignorable". + +Files: +lib/unicase/caseprop.h +lib/unicase/ignorable.c + +Depends-on: +uniwbrk/wordbreak-property +unictype/category-of +unitypes +stdbool + +configure.ac: + +Makefile.am: +lib_SOURCES += unicase/ignorable.c + +Include: +"unicase/caseprop.h" + +License: +LGPL + +Maintainer: +Bruno Haible +