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Diffstat (limited to 'sal/textenc/unichars.cxx')
| -rw-r--r-- | sal/textenc/unichars.cxx | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sal/textenc/unichars.cxx b/sal/textenc/unichars.cxx new file mode 100644 index 000000000..abd6945cf --- /dev/null +++ b/sal/textenc/unichars.cxx @@ -0,0 +1,87 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> +#include <sal/types.h> +#include "unichars.hxx" + +bool ImplIsControlOrFormat(sal_uInt32 nUtf32) +{ + // All code points of + // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1, + // that have a General Category of Cc (Other, Control) or Cf (Other, + // Format): + return nUtf32 <= 0x001F || (nUtf32 >= 0x007F && nUtf32 <= 0x009F) + || nUtf32 == 0x070F // SYRIAC ABBREVIATION MARK + || nUtf32 == 0x180B // MONGOLIAN FREE VARIATION SELECTOR ONE + || nUtf32 == 0x180C // MONGOLIAN FREE VARIATION SELECTOR TWO + || nUtf32 == 0x180D // MONGOLIAN FREE VARIATION SELECTOR THREE + || nUtf32 == 0x180E // MONGOLIAN VOWEL SEPARATOR + || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER + || nUtf32 == 0x200D // ZERO WIDTH JOINER + || nUtf32 == 0x200E // LEFT-TO-RIGHT MARK + || nUtf32 == 0x200F // RIGHT-TO-LEFT MARK + || nUtf32 == 0x202A // LEFT-TO-RIGHT EMBEDDING + || nUtf32 == 0x202B // RIGHT-TO-LEFT EMBEDDING + || nUtf32 == 0x202C // POP DIRECTIONAL FORMATTING + || nUtf32 == 0x202D // LEFT-TO-RIGHT OVERRIDE + || nUtf32 == 0x202E // RIGHT-TO-LEFT OVERRIDE + || nUtf32 == 0x206A // INHIBIT SYMMETRIC SWAPPING + || nUtf32 == 0x206B // ACTIVATE SYMMETRIC SWAPPING + || nUtf32 == 0x206C // INHIBIT ARABIC FORM SHAPING + || nUtf32 == 0x206D // ACTIVATE ARABIC FORM SHAPING + || nUtf32 == 0x206E // NATIONAL DIGIT SHAPES + || nUtf32 == 0x206F // NOMINAL DIGIT SHAPES + || nUtf32 == 0xFEFF // ZERO WIDTH NO-BREAK SPACE + || nUtf32 == 0xFFF9 // INTERLINEAR ANNOTATION ANCHOR + || nUtf32 == 0xFFFA // INTERLINEAR ANNOTATION SEPARATOR + || nUtf32 == 0xFFFB // INTERLINEAR ANNOTATION TERMINATOR + || nUtf32 == 0x1D173 // MUSICAL SYMBOL BEGIN BEAM + || nUtf32 == 0x1D174 // MUSICAL SYMBOL END BEAM + || nUtf32 == 0x1D175 // MUSICAL SYMBOL BEGIN TIE + || nUtf32 == 0x1D176 // MUSICAL SYMBOL END TIE + || nUtf32 == 0x1D177 // MUSICAL SYMBOL BEGIN SLUR + || nUtf32 == 0x1D178 // MUSICAL SYMBOL END SLUR + || nUtf32 == 0x1D179 // MUSICAL SYMBOL BEGIN PHRASE + || nUtf32 == 0x1D17A // MUSICAL SYMBOL END PHRASE + || nUtf32 == 0xE0001 // LANGUAGE TAG + || (nUtf32 >= 0xE0020 && nUtf32 <= 0xE007F); +} + +bool ImplIsPrivateUse(sal_uInt32 nUtf32) +{ + // All code points of + // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1, + // that have a General Category of Co (Other, Private Use): + return (nUtf32 >= 0xE000 && nUtf32 <= 0xF8FF) || (nUtf32 >= 0xF0000 && nUtf32 <= 0xFFFFD) + || (nUtf32 >= 0x100000 && nUtf32 <= 0x10FFFD); +} + +bool ImplIsZeroWidth(sal_uInt32 nUtf32) +{ + // All code points of + // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1, + // that have "ZERO WIDTH" in their Character name: + return nUtf32 == 0x200B // ZERO WIDTH SPACE + || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER + || nUtf32 == 0x200D // ZERO WIDTH JOINER + || nUtf32 == 0xFEFF; // ZERO WIDTH NO-BREAK SPACE +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |