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libreoffice/vcl/inc/graphic/DetectorTools.hxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

65 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
*/
#pragma once
#include <rtl/string.hxx>
#include <vector>
namespace vcl
{
const char* matchArray(const char* pSource, sal_Int32 nSourceSize, const char* pSearch,
sal_Int32 nSearchSize)
{
for (sal_Int32 increment = 0; increment <= (nSourceSize - nSearchSize); ++increment)
{
bool bMatch = true;
// search both arrays if they match
for (sal_Int32 index = 0; index < nSearchSize && bMatch; ++index)
{
if (pSource[index] != pSearch[index])
bMatch = false;
}
// match has been found
if (bMatch)
return pSource;
pSource++;
}
return nullptr;
}
const char* matchArrayWithString(const char* pSource, sal_Int32 nSourceSize, OString const& rString)
{
return matchArray(pSource, nSourceSize, rString.getStr(), rString.getLength());
}
bool checkArrayForMatchingStrings(const char* pSource, sal_Int32 nSourceSize,
std::vector<OString> const& rStrings)
{
if (rStrings.empty())
return false;
if (rStrings.size() < 2)
return matchArrayWithString(pSource, nSourceSize, rStrings[0]) != nullptr;
const char* pBegin = pSource;
const char* pCurrent = pSource;
for (OString const& rString : rStrings)
{
sal_Int32 nCurrentSize = nSourceSize - sal_Int32(pCurrent - pBegin);
pCurrent = matchArray(pCurrent, nCurrentSize, rString.getStr(), rString.getLength());
if (pCurrent == nullptr)
return false;
}
return true;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */