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1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*************************************************************************
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19 : : * GNU Lesser General Public License version 3 for more details
20 : : * (a copy is included in the LICENSE file that accompanied this code).
21 : : *
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27 : : ************************************************************************/
28 : :
29 : : #include "sal/config.h"
30 : :
31 : : #include "sal/types.h"
32 : :
33 : : #include "unichars.hxx"
34 : :
35 : 20 : bool ImplIsControlOrFormat(sal_uInt32 nUtf32)
36 : : {
37 : : // All code points of
38 : : // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
39 : : // that have a General Category of Cc (Other, Control) or Cf (Other,
40 : : // Format):
41 : : return nUtf32 <= 0x001F
42 : : || (nUtf32 >= 0x007F && nUtf32 <= 0x009F)
43 : : || nUtf32 == 0x070F // SYRIAC ABBREVIATION MARK
44 : : || nUtf32 == 0x180B // MONGOLIAN FREE VARIATION SELECTOR ONE
45 : : || nUtf32 == 0x180C // MONGOLIAN FREE VARIATION SELECTOR TWO
46 : : || nUtf32 == 0x180D // MONGOLIAN FREE VARIATION SELECTOR THREE
47 : : || nUtf32 == 0x180E // MONGOLIAN VOWEL SEPARATOR
48 : : || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER
49 : : || nUtf32 == 0x200D // ZERO WIDTH JOINER
50 : : || nUtf32 == 0x200E // LEFT-TO-RIGHT MARK
51 : : || nUtf32 == 0x200F // RIGHT-TO-LEFT MARK
52 : : || nUtf32 == 0x202A // LEFT-TO-RIGHT EMBEDDING
53 : : || nUtf32 == 0x202B // RIGHT-TO-LEFT EMBEDDING
54 : : || nUtf32 == 0x202C // POP DIRECTIONAL FORMATTING
55 : : || nUtf32 == 0x202D // LEFT-TO-RIGHT OVERRIDE
56 : : || nUtf32 == 0x202E // RIGHT-TO-LEFT OVERRIDE
57 : : || nUtf32 == 0x206A // INHIBIT SYMMETRIC SWAPPING
58 : : || nUtf32 == 0x206B // ACTIVATE SYMMETRIC SWAPPING
59 : : || nUtf32 == 0x206C // INHIBIT ARABIC FORM SHAPING
60 : : || nUtf32 == 0x206D // ACTIVATE ARABIC FORM SHAPING
61 : : || nUtf32 == 0x206E // NATIONAL DIGIT SHAPES
62 : : || nUtf32 == 0x206F // NOMINAL DIGIT SHAPES
63 : : || nUtf32 == 0xFEFF // ZERO WIDTH NO-BREAK SPACE
64 : : || nUtf32 == 0xFFF9 // INTERLINEAR ANNOTATION ANCHOR
65 : : || nUtf32 == 0xFFFA // INTERLINEAR ANNOTATION SEPARATOR
66 : : || nUtf32 == 0xFFFB // INTERLINEAR ANNOTATION TERMINATOR
67 : : || nUtf32 == 0x1D173 // MUSICAL SYMBOL BEGIN BEAM
68 : : || nUtf32 == 0x1D174 // MUSICAL SYMBOL END BEAM
69 : : || nUtf32 == 0x1D175 // MUSICAL SYMBOL BEGIN TIE
70 : : || nUtf32 == 0x1D176 // MUSICAL SYMBOL END TIE
71 : : || nUtf32 == 0x1D177 // MUSICAL SYMBOL BEGIN SLUR
72 : : || nUtf32 == 0x1D178 // MUSICAL SYMBOL END SLUR
73 : : || nUtf32 == 0x1D179 // MUSICAL SYMBOL BEGIN PHRASE
74 : : || nUtf32 == 0x1D17A // MUSICAL SYMBOL END PHRASE
75 : : || nUtf32 == 0xE0001 // LANGUAGE TAG
76 [ + - ][ + - ]: 20 : || (nUtf32 >= 0xE0020 && nUtf32 <= 0xE007F);
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77 : : }
78 : :
79 : 20 : bool ImplIsPrivateUse(sal_uInt32 nUtf32)
80 : : {
81 : : // All code points of
82 : : // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
83 : : // that have a General Category of Co (Other, Private Use):
84 : : return (nUtf32 >= 0xE000 && nUtf32 <= 0xF8FF)
85 : : || (nUtf32 >= 0xF0000 && nUtf32 <= 0xFFFFD)
86 [ - + ][ # # ]: 20 : || (nUtf32 >= 0x100000 && nUtf32 <= 0x10FFFD);
[ - + ][ # # ]
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87 : : }
88 : :
89 : 20 : bool ImplIsZeroWidth(sal_uInt32 nUtf32)
90 : : {
91 : : // All code points of
92 : : // <http://www.unicode.org/Public/UNIDATA/UnicodeData.txt>, Version 3.1.1,
93 : : // that have "ZERO WIDTH" in their Character name:
94 : : return nUtf32 == 0x200B // ZERO WIDTH SPACE
95 : : || nUtf32 == 0x200C // ZERO WIDTH NON-JOINER
96 : : || nUtf32 == 0x200D // ZERO WIDTH JOINER
97 [ + - ][ + - ]: 20 : || nUtf32 == 0xFEFF; // ZEOR WIDTH NO-BREAK SPACE
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98 : : }
99 : :
100 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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