LibreOffice Module vcl (master)  1
DetectorTools.hxx
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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  */
10 
11 #pragma once
12 
13 namespace vcl
14 {
15 const char* matchArray(const char* pSource, sal_Int32 nSourceSize, const char* pSearch,
16  sal_Int32 nSearchSize)
17 {
18  for (sal_Int32 increment = 0; increment <= (nSourceSize - nSearchSize); ++increment)
19  {
20  bool bMatch = true;
21  // search both arrays if they match
22  for (sal_Int32 index = 0; index < nSearchSize && bMatch; ++index)
23  {
24  if (pSource[index] != pSearch[index])
25  bMatch = false;
26  }
27  // match has been found
28  if (bMatch)
29  return pSource;
30  pSource++;
31  }
32  return nullptr;
33 }
34 
35 const char* matchArrayWithString(const char* pSource, sal_Int32 nSourceSize, OString const& rString)
36 {
37  return matchArray(pSource, nSourceSize, rString.getStr(), rString.getLength());
38 }
39 
40 bool checkArrayForMatchingStrings(const char* pSource, sal_Int32 nSourceSize,
41  std::vector<OString> const& rStrings)
42 {
43  if (rStrings.empty())
44  return false;
45  if (rStrings.size() < 2)
46  return matchArrayWithString(pSource, nSourceSize, rStrings[0]) != nullptr;
47 
48  const char* pBegin = pSource;
49  const char* pCurrent = pSource;
50  for (OString const& rString : rStrings)
51  {
52  sal_Int32 nCurrentSize = nSourceSize - sal_Int32(pCurrent - pBegin);
53  pCurrent = matchArray(pCurrent, nCurrentSize, rString.getStr(), rString.getLength());
54  if (pCurrent == nullptr)
55  return false;
56  }
57  return true;
58 }
59 }
60 
61 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
const char * matchArray(const char *pSource, sal_Int32 nSourceSize, const char *pSearch, sal_Int32 nSearchSize)
const char * matchArrayWithString(const char *pSource, sal_Int32 nSourceSize, OString const &rString)
bool checkArrayForMatchingStrings(const char *pSource, sal_Int32 nSourceSize, std::vector< OString > const &rStrings)
tuple index