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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 : :
21 : : #include "svl/lngmisc.hxx"
22 : :
23 : : #include <comphelper/string.hxx>
24 : : #include <rtl/ustrbuf.hxx>
25 : : #include <tools/debug.hxx>
26 : :
27 : : namespace linguistic
28 : : {
29 : 65856 : sal_Int32 GetNumControlChars(const rtl::OUString &rTxt)
30 : : {
31 : 65856 : sal_Int32 nCnt = 0;
32 [ + + ]: 479682 : for (sal_Int32 i = 0; i < rTxt.getLength(); ++i)
33 [ + + ]: 413826 : if (IsControlChar(rTxt[i]))
34 : 198 : ++nCnt;
35 : 65856 : return nCnt;
36 : : }
37 : :
38 : 65844 : bool RemoveHyphens(rtl::OUString &rTxt)
39 : : {
40 : 65844 : sal_Int32 n = rTxt.getLength();
41 : 65844 : rTxt = comphelper::string::remove(rTxt, SVT_SOFT_HYPHEN);
42 : 65844 : rTxt = comphelper::string::remove(rTxt, SVT_HARD_HYPHEN);
43 : 65844 : return n != rTxt.getLength();
44 : : }
45 : :
46 : 65844 : bool RemoveControlChars(rtl::OUString &rTxt)
47 : : {
48 : 65844 : sal_Int32 nSize = rTxt.getLength() - GetNumControlChars(rTxt);
49 [ + + ]: 65844 : if(nSize == rTxt.getLength())
50 : 65838 : return false;
51 : :
52 : 6 : rtl::OUStringBuffer aBuf(nSize);
53 [ + - ]: 6 : aBuf.setLength(nSize);
54 [ + + ][ + - ]: 132 : for (sal_Int32 i = 0, j = 0; i < rTxt.getLength() && j < nSize; ++i)
[ + + ]
55 [ + + ]: 126 : if (!IsControlChar(rTxt[i]))
56 : 27 : aBuf[j++] = rTxt[i];
57 : :
58 [ + - ]: 6 : rTxt = aBuf.makeStringAndClear();
59 : : DBG_ASSERT(rTxt.getLength() == nSize, "GetNumControlChars returned a different number of control characters than were actually removed.");
60 : :
61 : 65844 : return true;
62 : : }
63 : :
64 : 12 : bool ReplaceControlChars(rtl::OUString &rTxt)
65 : : {
66 : : // non breaking field character
67 : : static const sal_Char CH_TXTATR_INWORD = static_cast<sal_Char>(0x02);
68 : :
69 : : // the resulting string looks like this:
70 : : // 1. non breaking field characters get removed
71 : : // 2. remaining control characters will be replaced by ' '
72 : :
73 [ + + ]: 12 : if (GetNumControlChars(rTxt) == 0)
74 : 6 : return false;
75 : :
76 : 6 : sal_Int32 n = rTxt.getLength();
77 : :
78 : 6 : rtl::OUStringBuffer aBuf(n);
79 [ + - ]: 6 : aBuf.setLength(n);
80 : :
81 : 6 : sal_Int32 j = 0;
82 [ + + ][ + - ]: 132 : for (sal_Int32 i = 0; i < n && j < n; ++i)
[ + + ]
83 : : {
84 [ + + ]: 126 : if (CH_TXTATR_INWORD == rTxt[i])
85 : 3 : continue;
86 : :
87 [ + + ]: 123 : aBuf[j++] = IsControlChar(rTxt[i]) ? ' ' : rTxt[i];
88 : : }
89 : :
90 [ + - ]: 6 : aBuf.setLength(j);
91 [ + - ]: 6 : rTxt = aBuf.makeStringAndClear();
92 : :
93 : 12 : return true;
94 : : }
95 : :
96 : 24 : ::rtl::OUString GetThesaurusReplaceText(const ::rtl::OUString &rText)
97 : : {
98 : : // The strings for synonyms returned by the thesaurus sometimes have some
99 : : // explanation text put in between '(' and ')' or a trailing '*'.
100 : : // These parts should not be put in the ReplaceEdit Text that may get
101 : : // inserted into the document. Thus we strip them from the text.
102 : :
103 : 24 : ::rtl::OUString aText(rText);
104 : :
105 : 24 : sal_Int32 nPos = aText.indexOf('(');
106 [ + + ]: 36 : while (nPos >= 0)
107 : : {
108 : 12 : sal_Int32 nEnd = aText.indexOf(')', nPos);
109 [ + - ]: 12 : if (nEnd >= 0)
110 : : {
111 [ + - ]: 12 : ::rtl::OUStringBuffer aTextBuf(aText);
112 [ + - ]: 12 : aTextBuf.remove(nPos, nEnd - nPos + 1);
113 [ + - ]: 12 : aText = aTextBuf.makeStringAndClear();
114 : : }
115 : : else
116 : 0 : break;
117 : 12 : nPos = aText.indexOf('(');
118 : : }
119 : :
120 : 24 : nPos = aText.indexOf('*');
121 [ - + ]: 24 : if(nPos == 0)
122 : 0 : return ::rtl::OUString();
123 [ + + ]: 24 : else if(nPos > 0)
124 : 15 : aText = aText.copy(0, nPos);
125 : :
126 : : // remove any possible remaining ' ' that may confuse the thesaurus
127 : : // when it gets called with the text
128 [ + - ]: 24 : return comphelper::string::strip(aText, ' ');
129 : : }
130 : : } // namespace linguistic
131 : :
132 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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