summaryrefslogtreecommitdiffstats
path: root/Source/JavaScriptCore/wtf/unicode/brew/UnicodeBrew.cpp
blob: 8367f17e2d326014018e87dad8558f10f908cb8c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 *  Copyright (C) 2006 George Staikos <staikos@kde.org>
 *  Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com>
 *  Copyright (C) 2007-2009 Torch Mobile, Inc.
 *  Copyright (C) 2010 Company 100, Inc.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 */

#include "config.h"
#include "UnicodeBrew.h"

#include <wchar.h>
#include <wctype.h>

namespace WTF {
namespace Unicode {

UChar toLower(UChar c)
{
    return towlower(c);
}

UChar toUpper(UChar c)
{
    return towupper(c);
}

UChar foldCase(UChar c)
{
    return towlower(c);
}

bool isPrintableChar(UChar c)
{
    return !!iswprint(c);
}

bool isUpper(UChar c)
{
    return !!iswupper(c);
}

bool isLower(UChar c)
{
    return !!iswlower(c);
}

bool isDigit(UChar c)
{
    return !!iswdigit(c);
}

bool isPunct(UChar c)
{
    return !!iswpunct(c);
}

bool isAlphanumeric(UChar c)
{
    return !!iswalnum(c);
}

int toLower(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError)
{
    const UChar* sourceIterator = source;
    const UChar* sourceEnd = source + sourceLength;
    UChar* resultIterator = result;
    UChar* resultEnd = result + resultLength;

    if (sourceLength <= resultLength) {
        while (sourceIterator < sourceEnd)
            *resultIterator++ = towlower(*sourceIterator++);
    } else {
        while (resultIterator < resultEnd)
            *resultIterator++ = towlower(*sourceIterator++);
    }

    int remainingCharacters = sourceIterator < sourceEnd ? sourceEnd - sourceIterator : 0;
    *isError = !!remainingCharacters;
    if (resultIterator < resultEnd)
        *resultIterator = 0;

    return (resultIterator - result) + remainingCharacters;
}

int toUpper(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError)
{
    const UChar* sourceIterator = source;
    const UChar* sourceEnd = source + sourceLength;
    UChar* resultIterator = result;
    UChar* resultEnd = result + resultLength;

    if (sourceLength <= resultLength) {
        while (sourceIterator < sourceEnd)
            *resultIterator++ = towupper(*sourceIterator++);
    } else {
        while (resultIterator < resultEnd)
            *resultIterator++ = towupper(*sourceIterator++);
    }

    int remainingCharacters = sourceIterator < sourceEnd ? sourceEnd - sourceIterator : 0;
    *isError = !!remainingCharacters;
    if (resultIterator < resultEnd)
        *resultIterator = 0;

    return (resultIterator - result) + remainingCharacters;
}

int foldCase(UChar* result, int resultLength, const UChar* source, int sourceLength, bool* isError)
{
    *isError = false;
    if (resultLength < sourceLength) {
        *isError = true;
        return sourceLength;
    }
    for (int i = 0; i < sourceLength; ++i)
        result[i] = foldCase(source[i]);
    return sourceLength;
}

UChar toTitleCase(UChar c)
{
    return towupper(c);
}

Direction direction(UChar32 c)
{
    return static_cast<Direction>(ICU::direction(c));
}

CharCategory category(unsigned int c)
{
    return static_cast<CharCategory>(TO_MASK((int8_t) ICU::category(c)));
}

DecompositionType decompositionType(UChar32 c)
{
    return static_cast<DecompositionType>(ICU::decompositionType(c));
}

unsigned char combiningClass(UChar32 c)
{
    return ICU::combiningClass(c);
}

UChar mirroredChar(UChar32 c)
{
    return ICU::mirroredChar(c);
}

int digitValue(UChar c)
{
    return ICU::digitValue(c);
}

bool isSpace(UChar c)
{
    return !!iswspace(c);
}

bool isLetter(UChar c)
{
    return !!iswalpha(c);
}

} // namespace Unicode
} // namespace WTF