qlocale_icu.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtCore module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qglobal.h"-
41#include "qlibrary.h"-
42#include "qdebug.h"-
43#include "qlocale_p.h"-
44#include "qmutex.h"-
45-
46#include "unicode/uloc.h"-
47#include "unicode/ustring.h"-
48-
49QT_BEGIN_NAMESPACE-
50-
51typedef int32_t (*Ptr_u_strToCase)(UChar *dest, int32_t destCapacity, const UChar *src, int32_t srcLength, const char *locale, UErrorCode *pErrorCode);-
52-
53// caseFunc can either be u_strToUpper or u_strToLower-
54static bool qt_u_strToCase(const QString &str, QString *out, const char *localeID, Ptr_u_strToCase caseFunc)-
55{-
56 Q_ASSERT(out);-
57-
58 int32_t size = str.size();-
59 size += size >> 2; // add 25% for possible expansions-
60 QString result(size, Qt::Uninitialized);-
61-
62 UErrorCode status = U_ZERO_ERROR;-
63-
64 size = caseFunc(reinterpret_cast<UChar *>(result.data()), result.size(),-
65 reinterpret_cast<const UChar *>(str.constData()), str.size(),-
66 localeID, &status);-
67-
68 if (U_FAILURE(status) && status != U_BUFFER_OVERFLOW_ERROR)
U_FAILURE(status)Description
TRUEnever evaluated
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_QString
status != U_BU...OVERFLOW_ERRORDescription
TRUEnever evaluated
FALSEnever evaluated
0-8
69 return false;
never executed: return false;
0
70-
71 if (size < result.size()) {
size < result.size()Description
TRUEnever evaluated
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_QString
0-8
72 result.resize(size);-
73 } else if (size > result.size()) {
never executed: end of block
size > result.size()Description
TRUEnever evaluated
FALSEevaluated 8 times by 1 test
Evaluated by:
  • tst_QString
0-8
74 // the resulting string is larger than our source string-
75 result.resize(size);-
76-
77 status = U_ZERO_ERROR;-
78 size = caseFunc(reinterpret_cast<UChar *>(result.data()), result.size(),-
79 reinterpret_cast<const UChar *>(str.constData()), str.size(),-
80 localeID, &status);-
81-
82 if (U_FAILURE(status))
U_FAILURE(status)Description
TRUEnever evaluated
FALSEnever evaluated
0
83 return false;
never executed: return false;
0
84-
85 // if the sizes don't match now, we give up.-
86 if (size != result.size())
size != result.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
87 return false;
never executed: return false;
0
88 }
never executed: end of block
0
89-
90 *out = result;-
91 return true;
executed 8 times by 1 test: return true;
Executed by:
  • tst_QString
8
92}-
93-
94QString QIcu::toUpper(const QByteArray &localeID, const QString &str, bool *ok)-
95{-
96 QString out;-
97 bool err = qt_u_strToCase(str, &out, localeID, u_strToUpper);-
98 if (ok)
okDescription
TRUEevaluated 3 times by 1 test
Evaluated by:
  • tst_QString
FALSEnever evaluated
0-3
99 *ok = err;
executed 3 times by 1 test: *ok = err;
Executed by:
  • tst_QString
3
100 return out;
executed 3 times by 1 test: return out;
Executed by:
  • tst_QString
3
101}-
102-
103QString QIcu::toLower(const QByteArray &localeID, const QString &str, bool *ok)-
104{-
105 QString out;-
106 bool err = qt_u_strToCase(str, &out, localeID, u_strToLower);-
107 if (ok)
okDescription
TRUEevaluated 5 times by 1 test
Evaluated by:
  • tst_QString
FALSEnever evaluated
0-5
108 *ok = err;
executed 5 times by 1 test: *ok = err;
Executed by:
  • tst_QString
5
109 return out;
executed 5 times by 1 test: return out;
Executed by:
  • tst_QString
5
110}-
111-
112QT_END_NAMESPACE-
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