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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "sal/config.h"
      21             : #include "sal/types.h"
      22             : #include "unichars.hxx"
      23             : 
      24           4 : bool ImplIsControlOrFormat(sal_uInt32 nUtf32)
      25             : {
      26             :     // All code points of
      27             :     // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
      28             :     // that have a General Category of Cc (Other, Control) or Cf (Other,
      29             :     // Format):
      30             :     return nUtf32 <= 0x001F
      31           4 :            || (nUtf32 >= 0x007F && nUtf32 <= 0x009F)
      32           4 :            || nUtf32 == 0x070F // SYRIAC ABBREVIATION MARK
      33           4 :            || nUtf32 == 0x180B // MONGOLIAN FREE VARIATION SELECTOR ONE
      34           4 :            || nUtf32 == 0x180C // MONGOLIAN FREE VARIATION SELECTOR TWO
      35           4 :            || nUtf32 == 0x180D // MONGOLIAN FREE VARIATION SELECTOR THREE
      36           4 :            || nUtf32 == 0x180E // MONGOLIAN VOWEL SEPARATOR
      37           4 :            || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER
      38           4 :            || nUtf32 == 0x200D // ZERO WIDTH JOINER
      39           4 :            || nUtf32 == 0x200E // LEFT-TO-RIGHT MARK
      40           4 :            || nUtf32 == 0x200F // RIGHT-TO-LEFT MARK
      41           4 :            || nUtf32 == 0x202A // LEFT-TO-RIGHT EMBEDDING
      42           4 :            || nUtf32 == 0x202B // RIGHT-TO-LEFT EMBEDDING
      43           4 :            || nUtf32 == 0x202C // POP DIRECTIONAL FORMATTING
      44           4 :            || nUtf32 == 0x202D // LEFT-TO-RIGHT OVERRIDE
      45           4 :            || nUtf32 == 0x202E // RIGHT-TO-LEFT OVERRIDE
      46           4 :            || nUtf32 == 0x206A // INHIBIT SYMMETRIC SWAPPING
      47           4 :            || nUtf32 == 0x206B // ACTIVATE SYMMETRIC SWAPPING
      48           4 :            || nUtf32 == 0x206C // INHIBIT ARABIC FORM SHAPING
      49           4 :            || nUtf32 == 0x206D // ACTIVATE ARABIC FORM SHAPING
      50           4 :            || nUtf32 == 0x206E // NATIONAL DIGIT SHAPES
      51           4 :            || nUtf32 == 0x206F // NOMINAL DIGIT SHAPES
      52           4 :            || nUtf32 == 0xFEFF // ZERO WIDTH NO-BREAK SPACE
      53           4 :            || nUtf32 == 0xFFF9 // INTERLINEAR ANNOTATION ANCHOR
      54           4 :            || nUtf32 == 0xFFFA // INTERLINEAR ANNOTATION SEPARATOR
      55           4 :            || nUtf32 == 0xFFFB // INTERLINEAR ANNOTATION TERMINATOR
      56           4 :            || nUtf32 == 0x1D173 // MUSICAL SYMBOL BEGIN BEAM
      57           4 :            || nUtf32 == 0x1D174 // MUSICAL SYMBOL END BEAM
      58           4 :            || nUtf32 == 0x1D175 // MUSICAL SYMBOL BEGIN TIE
      59           4 :            || nUtf32 == 0x1D176 // MUSICAL SYMBOL END TIE
      60           4 :            || nUtf32 == 0x1D177 // MUSICAL SYMBOL BEGIN SLUR
      61           4 :            || nUtf32 == 0x1D178 // MUSICAL SYMBOL END SLUR
      62           4 :            || nUtf32 == 0x1D179 // MUSICAL SYMBOL BEGIN PHRASE
      63           4 :            || nUtf32 == 0x1D17A // MUSICAL SYMBOL END PHRASE
      64           4 :            || nUtf32 == 0xE0001 // LANGUAGE TAG
      65           8 :            || (nUtf32 >= 0xE0020 && nUtf32 <= 0xE007F);
      66             : }
      67             : 
      68           4 : bool ImplIsPrivateUse(sal_uInt32 nUtf32)
      69             : {
      70             :     // All code points of
      71             :     // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
      72             :     // that have a General Category of Co (Other, Private Use):
      73           0 :     return (nUtf32 >= 0xE000 && nUtf32 <= 0xF8FF)
      74           4 :            || (nUtf32 >= 0xF0000 && nUtf32 <= 0xFFFFD)
      75           8 :            || (nUtf32 >= 0x100000 && nUtf32 <= 0x10FFFD);
      76             : }
      77             : 
      78           4 : bool ImplIsZeroWidth(sal_uInt32 nUtf32)
      79             : {
      80             :     // All code points of
      81             :     // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
      82             :     // that have "ZERO WIDTH" in their Character name:
      83             :     return nUtf32 == 0x200B // ZERO WIDTH SPACE
      84           4 :            || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER
      85           4 :            || nUtf32 == 0x200D // ZERO WIDTH JOINER
      86           8 :            || nUtf32 == 0xFEFF; // ZEOR WIDTH NO-BREAK SPACE
      87             : }
      88             : 
      89             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */