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SettingsIterator.cpp
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executable file
·163 lines (135 loc) · 4.58 KB
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//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//
// This is a part of the Litestep Shell source code.
//
// Copyright (C) 1997-2015 LiteStep Development Team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include "settingsiterator.h"
#include "settingsmanager.h"
#include "../utility/core.hpp"
#include <algorithm>
using std::wstring;
SettingsIterator::SettingsIterator(SettingsMap* pSettingsMap, const wstring& sPath)
{
if (pSettingsMap)
{
m_pSettingsMap = pSettingsMap;
m_pFileIterator = m_pSettingsMap->begin();
if (sPath.length())
{
m_sPath = sPath;
}
}
}
BOOL SettingsIterator::ReadNextLine(LPWSTR pwzValue, size_t cchValue)
{
BOOL bReturn = FALSE;
if (pwzValue != nullptr && cchValue > 0)
{
if (m_pFileIterator != m_pSettingsMap->end())
{
StringCchCopyW(pwzValue, cchValue, m_pFileIterator->first.c_str());
StringCchCatW(pwzValue, cchValue, L" ");
StringCchCatW(pwzValue, cchValue, m_pFileIterator->second.sValue.c_str());
++m_pFileIterator;
bReturn = TRUE;
}
else
{
pwzValue[0] = L'\0';
}
}
return bReturn;
}
BOOL SettingsIterator::ReadNextCommand(LPWSTR pwzValue, size_t cchValue)
{
BOOL bReturn = FALSE;
while (!bReturn && m_pFileIterator != m_pSettingsMap->end())
{
if (!ispunct(*(m_pFileIterator->first.c_str())))
{
StringCchCopyW(pwzValue, cchValue, m_pFileIterator->first.c_str());
StringCchCatW(pwzValue, cchValue, L" ");
StringCchCatW(pwzValue, cchValue, m_pFileIterator->second.sValue.c_str());
bReturn = TRUE;
}
++m_pFileIterator;
}
return bReturn;
}
BOOL SettingsIterator::ReadNextConfig(LPCWSTR pwzConfig, LPWSTR pwzValue, size_t cchValue)
{
BOOL bReturn = FALSE;
if (pwzValue != nullptr && cchValue > 0 && pwzConfig != nullptr)
{
SettingsMap::iterator itSettings;
pwzValue[0] = L'\0';
#if defined(LS_COMPAT_LCREADNEXTCONFIG)
string sConfig;
if(L'*' != *pwzConfig)
{
sConfig = L"*";
sConfig += pwzConfig;
}
else
{
sConfig = pwzConfig;
}
pwzConfig = sConfig.c_str();
#endif // defined(LS_COMPAT_LCREADNEXTCONFIG)
// Has ReadNextConfig been used before for pszConfig?
IteratorMap::iterator it = m_Iterators.find(pwzConfig);
if (it == m_Iterators.end())
{
// No, so find the first item with a key of pszConfig
itSettings = m_pSettingsMap->lower_bound(pwzConfig);
if (itSettings != m_pSettingsMap->end())
{
// Save the iterator for future use and return the value
it = (m_Iterators.insert(
IteratorMap::value_type(pwzConfig, itSettings)
));
bReturn = TRUE;
}
}
else
{
// Yes so find the last item with a matching key
itSettings = m_pSettingsMap->upper_bound(pwzConfig);
// Loop until we either find an item with a matching key or the
// last matching item
do
{
++it->second;
} while ((_wcsicmp(pwzConfig, it->first.c_str()) != 0) &&
(it->second != itSettings));
// If we found a valid item, return it
if (it->second != itSettings)
{
bReturn = TRUE;
}
}
if (bReturn)
{
StringCchCopyW(pwzValue, cchValue, it->second->first.c_str());
StringCchCatW(pwzValue, cchValue, L" ");
StringCchCatW(pwzValue, cchValue, it->second->second.sValue.c_str());
}
}
return bReturn;
}