office-gobmx/registry/source/keyimpl.cxx
Noel Grandin 1743d74e87 clang-tidy modernize-pass-by-value in various
Change-Id: Ie091b22bd77d4e1fbff46545bc86c12f1dbafcfe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/138171
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2022-08-13 19:11:49 +02:00

927 lines
24 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <string.h>
#include <string_view>
#include "keyimpl.hxx"
#include "reflcnst.hxx"
#include <rtl/alloc.h>
#include <rtl/ustrbuf.hxx>
#include <osl/diagnose.h>
#include <sal/log.hxx>
#include <memory>
#include <utility>
using namespace store;
namespace { char const VALUE_PREFIX[] = "$VL_"; }
ORegKey::ORegKey(OUString keyName, ORegistry* pReg)
: m_refCount(1)
, m_name(std::move(keyName))
, m_bDeleted(false)
, m_bModified(false)
, m_pRegistry(pReg)
{
}
ORegKey::~ORegKey()
{
SAL_WARN_IF(m_refCount != 0, "registry", "registry::ORegKey::dtor(): refcount not zero.");
}
RegError ORegKey::releaseKey(RegKeyHandle hKey)
{
return m_pRegistry->releaseKey(hKey);
}
RegError ORegKey::createKey(std::u16string_view keyName, RegKeyHandle* phNewKey)
{
return m_pRegistry->createKey(this, keyName, phNewKey);
}
RegError ORegKey::openKey(std::u16string_view keyName, RegKeyHandle* phOpenKey)
{
return m_pRegistry->openKey(this, keyName, phOpenKey);
}
RegError ORegKey::openSubKeys(std::u16string_view keyName, RegKeyHandle** phOpenSubKeys, sal_uInt32* pnSubKeys)
{
RegError _ret = RegError::NO_ERROR;
*phOpenSubKeys = nullptr;
*pnSubKeys = 0;
ORegKey* pKey = this;
if ( !keyName.empty() )
{
_ret = openKey(keyName, reinterpret_cast<RegKeyHandle*>(&pKey));
if (_ret != RegError::NO_ERROR)
return _ret;
}
sal_uInt32 nSubKeys = pKey->countSubKeys();
*pnSubKeys = nSubKeys;
ORegKey** pSubKeys;
pSubKeys = static_cast<ORegKey**>(rtl_allocateZeroMemory(nSubKeys * sizeof(ORegKey*)));
OStoreDirectory::iterator iter;
OStoreDirectory rStoreDir(pKey->getStoreDir());
storeError _err = rStoreDir.first(iter);
nSubKeys = 0;
while ( _err == store_E_None )
{
if ( iter.m_nAttrib & STORE_ATTRIB_ISDIR )
{
OUString const sSubKeyName(iter.m_pszName, iter.m_nLength);
ORegKey* pOpenSubKey = nullptr;
_ret = pKey->openKey(sSubKeyName, reinterpret_cast<RegKeyHandle*>(&pOpenSubKey));
if (_ret != RegError::NO_ERROR)
{
*phOpenSubKeys = nullptr;
*pnSubKeys = 0;
std::free(pSubKeys); // @@@ leaking 'pSubKeys[0...nSubkeys-1]'
return _ret; // @@@ leaking 'pKey'
}
pSubKeys[nSubKeys] = pOpenSubKey;
nSubKeys++;
}
_err = rStoreDir.next(iter);
}
*phOpenSubKeys = reinterpret_cast<RegKeyHandle*>(pSubKeys);
if (!keyName.empty())
{
(void) releaseKey(pKey);
}
return RegError::NO_ERROR;
}
RegError ORegKey::getKeyNames(std::u16string_view keyName,
rtl_uString*** pSubKeyNames,
sal_uInt32* pnSubKeys)
{
*pSubKeyNames = nullptr;
*pnSubKeys = 0;
ORegKey* pKey = this;
if (!keyName.empty())
{
RegError _ret = openKey(keyName, reinterpret_cast<RegKeyHandle*>(&pKey));
if (_ret != RegError::NO_ERROR)
return _ret;
}
sal_uInt32 nSubKeys = pKey->countSubKeys();
*pnSubKeys = nSubKeys;
rtl_uString** pSubKeys
= static_cast<rtl_uString**>(rtl_allocateZeroMemory(nSubKeys * sizeof(rtl_uString*)));
OStoreDirectory::iterator iter;
OStoreDirectory rStoreDir(pKey->getStoreDir());
storeError _err = rStoreDir.first(iter);
nSubKeys = 0;
while ( _err == store_E_None )
{
if ( iter.m_nAttrib & STORE_ATTRIB_ISDIR)
{
OUString const sSubKeyName(iter.m_pszName, iter.m_nLength);
OUString sFullKeyName(pKey->getName());
if (sFullKeyName.getLength() > 1)
sFullKeyName += ORegistry::ROOT;
sFullKeyName += sSubKeyName;
rtl_uString_newFromString(&pSubKeys[nSubKeys], sFullKeyName.pData);
nSubKeys++;
}
_err = rStoreDir.next(iter);
}
*pSubKeyNames = pSubKeys;
if (!keyName.empty())
{
releaseKey(pKey);
}
return RegError::NO_ERROR;
}
RegError ORegKey::closeKey(RegKeyHandle hKey)
{
return m_pRegistry->closeKey(hKey);
}
RegError ORegKey::deleteKey(std::u16string_view keyName)
{
return m_pRegistry->deleteKey(this, keyName);
}
RegError ORegKey::getValueInfo(std::u16string_view valueName, RegValueType* pValueType, sal_uInt32* pValueSize) const
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if ( rValue.create(m_pRegistry->getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, accessMode) )
{
*pValueType = RegValueType::NOT_DEFINED;
*pValueSize = 0;
return RegError::VALUE_NOT_EXISTS;
}
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE]);
sal_uInt32 readBytes;
if ( rValue.readAt(0, pBuffer.get(), VALUE_HEADERSIZE, readBytes) )
{
return RegError::INVALID_VALUE;
}
if (readBytes != VALUE_HEADERSIZE)
{
return RegError::INVALID_VALUE;
}
sal_uInt32 size;
sal_uInt8 type = pBuffer[0];
readUINT32(pBuffer.get()+VALUE_TYPEOFFSET, size);
*pValueType = static_cast<RegValueType>(type);
if (*pValueType > RegValueType::BINARY)
{
pBuffer.reset(new sal_uInt8[4]);
rValue.readAt(VALUE_HEADEROFFSET, pBuffer.get(), 4, readBytes);
readUINT32(pBuffer.get(), size);
}
*pValueSize = size;
return RegError::NO_ERROR;
}
RegError ORegKey::setValue(std::u16string_view valueName, RegValueType vType, RegValue value, sal_uInt32 vSize)
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
if (m_pRegistry->isReadOnly())
{
return RegError::REGISTRY_READONLY;
}
if (vType > RegValueType::BINARY)
{
return RegError::INVALID_VALUE;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if ( rValue.create(getStoreFile(), m_name + ORegistry::ROOT , sImplValueName, storeAccessMode::Create) )
{
return RegError::SET_VALUE_FAILED;
}
sal_uInt32 size = vSize;
sal_uInt8 type = static_cast<sal_uInt8>(vType);
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE + size]);
memcpy(pBuffer.get(), &type, 1);
writeUINT32(pBuffer.get()+VALUE_TYPEOFFSET, size);
switch (vType)
{
case RegValueType::NOT_DEFINED:
memcpy(pBuffer.get()+VALUE_HEADEROFFSET, value, size);
break;
case RegValueType::LONG:
writeINT32(pBuffer.get()+VALUE_HEADEROFFSET, *static_cast<sal_Int32*>(value));
break;
case RegValueType::STRING:
writeUtf8(pBuffer.get()+VALUE_HEADEROFFSET, static_cast<const char*>(value));
break;
case RegValueType::UNICODE:
writeString(pBuffer.get()+VALUE_HEADEROFFSET, static_cast<const sal_Unicode*>(value));
break;
case RegValueType::BINARY:
memcpy(pBuffer.get()+VALUE_HEADEROFFSET, value, size);
break;
default:
OSL_ASSERT(false);
break;
}
sal_uInt32 writenBytes;
if ( rValue.writeAt(0, pBuffer.get(), VALUE_HEADERSIZE+size, writenBytes) )
{
return RegError::SET_VALUE_FAILED;
}
if (writenBytes != (VALUE_HEADERSIZE+size))
{
return RegError::SET_VALUE_FAILED;
}
setModified();
return RegError::NO_ERROR;
}
RegError ORegKey::setLongListValue(std::u16string_view valueName, sal_Int32 const * pValueList, sal_uInt32 len)
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
if (m_pRegistry->isReadOnly())
{
return RegError::REGISTRY_READONLY;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if (rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, storeAccessMode::Create) )
{
return RegError::SET_VALUE_FAILED;
}
sal_uInt32 size = 4; // 4 bytes (sal_uInt32) for the length
size += len * 4;
sal_uInt8 type = sal_uInt8(RegValueType::LONGLIST);
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE + size]);
memcpy(pBuffer.get(), &type, 1);
writeUINT32(pBuffer.get()+VALUE_TYPEOFFSET, size);
writeUINT32(pBuffer.get()+VALUE_HEADEROFFSET, len);
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array
for (sal_uInt32 i=0; i < len; i++)
{
writeINT32(pBuffer.get()+VALUE_HEADEROFFSET+offset, pValueList[i]);
offset += 4;
}
sal_uInt32 writenBytes;
if ( rValue.writeAt(0, pBuffer.get(), VALUE_HEADERSIZE+size, writenBytes) )
{
return RegError::SET_VALUE_FAILED;
}
if (writenBytes != (VALUE_HEADEROFFSET+size))
{
return RegError::SET_VALUE_FAILED;
}
setModified();
return RegError::NO_ERROR;
}
RegError ORegKey::setStringListValue(
std::u16string_view valueName, char** pValueList, sal_uInt32 len)
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
if (m_pRegistry->isReadOnly())
{
return RegError::REGISTRY_READONLY;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if (rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, storeAccessMode::Create) )
{
return RegError::SET_VALUE_FAILED;
}
sal_uInt32 size = 4; // 4 bytes (sal_uInt32) for the length
sal_uInt32 i;
for (i=0; i < len; i++)
{
size += 4 + strlen(pValueList[i]) + 1;
}
sal_uInt8 type = sal_uInt8(RegValueType::STRINGLIST);
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE + size]);
memcpy(pBuffer.get(), &type, 1);
writeUINT32(pBuffer.get()+VALUE_TYPEOFFSET, size);
writeUINT32(pBuffer.get()+VALUE_HEADEROFFSET, len);
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array;
sal_uInt32 sLen = 0;
for (i=0; i < len; i++)
{
sLen = strlen(pValueList[i]) + 1;
writeUINT32(pBuffer.get()+VALUE_HEADEROFFSET+offset, sLen);
offset += 4;
writeUtf8(pBuffer.get()+VALUE_HEADEROFFSET+offset, pValueList[i]);
offset += sLen;
}
sal_uInt32 writenBytes;
if ( rValue.writeAt(0, pBuffer.get(), VALUE_HEADERSIZE+size, writenBytes) )
{
return RegError::SET_VALUE_FAILED;
}
if (writenBytes != (VALUE_HEADERSIZE+size))
{
return RegError::SET_VALUE_FAILED;
}
setModified();
return RegError::NO_ERROR;
}
RegError ORegKey::setUnicodeListValue(std::u16string_view valueName, sal_Unicode** pValueList, sal_uInt32 len)
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
if (m_pRegistry->isReadOnly())
{
return RegError::REGISTRY_READONLY;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if (rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, storeAccessMode::Create) )
{
return RegError::SET_VALUE_FAILED;
}
sal_uInt32 size = 4; // 4 bytes (sal_uInt32) for the length
sal_uInt32 i;
for (i=0; i < len; i++)
{
size += 4 + ((rtl_ustr_getLength(pValueList[i]) +1) * 2);
}
sal_uInt8 type = sal_uInt8(RegValueType::UNICODELIST);
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE + size]);
memcpy(pBuffer.get(), &type, 1);
writeUINT32(pBuffer.get()+VALUE_TYPEOFFSET, size);
writeUINT32(pBuffer.get()+VALUE_HEADEROFFSET, len);
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array;
sal_uInt32 sLen = 0;
for (i=0; i < len; i++)
{
sLen = (rtl_ustr_getLength(pValueList[i]) + 1) * 2;
writeUINT32(pBuffer.get()+VALUE_HEADEROFFSET+offset, sLen);
offset += 4;
writeString(pBuffer.get()+VALUE_HEADEROFFSET+offset, pValueList[i]);
offset += sLen;
}
sal_uInt32 writenBytes;
if ( rValue.writeAt(0, pBuffer.get(), VALUE_HEADERSIZE+size, writenBytes) )
{
return RegError::SET_VALUE_FAILED;
}
if (writenBytes != (VALUE_HEADERSIZE+size))
{
return RegError::SET_VALUE_FAILED;
}
setModified();
return RegError::NO_ERROR;
}
RegError ORegKey::getValue(std::u16string_view valueName, RegValue value) const
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
RegValueType valueType;
sal_uInt32 valueSize;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if (rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, accessMode) )
{
return RegError::VALUE_NOT_EXISTS;
}
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE]);
sal_uInt32 readBytes;
if ( rValue.readAt(0, pBuffer.get(), VALUE_HEADERSIZE, readBytes) )
{
return RegError::INVALID_VALUE;
}
if (readBytes != VALUE_HEADERSIZE)
{
return RegError::INVALID_VALUE;
}
sal_uInt8 type = pBuffer[0];
valueType = static_cast<RegValueType>(type);
readUINT32(pBuffer.get()+VALUE_TYPEOFFSET, valueSize);
if (valueType > RegValueType::BINARY)
{
return RegError::INVALID_VALUE;
}
pBuffer.reset(new sal_uInt8[valueSize]);
if ( rValue.readAt(VALUE_HEADEROFFSET, pBuffer.get(), valueSize, readBytes) )
{
return RegError::INVALID_VALUE;
}
if (readBytes != valueSize)
{
return RegError::INVALID_VALUE;
}
switch (valueType)
{
case RegValueType::LONG:
readINT32(pBuffer.get(), *static_cast<sal_Int32*>(value));
break;
case RegValueType::STRING:
readUtf8(pBuffer.get(), static_cast<char*>(value), valueSize);
break;
case RegValueType::UNICODE:
readString(pBuffer.get(), static_cast<sal_Unicode*>(value), valueSize);
break;
case RegValueType::BINARY:
memcpy(value, pBuffer.get(), valueSize);
break;
default:
memcpy(value, pBuffer.get(), valueSize);
break;
}
return RegError::NO_ERROR;
}
RegError ORegKey::getLongListValue(std::u16string_view valueName, sal_Int32** pValueList, sal_uInt32* pLen) const
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
RegValueType valueType;
sal_uInt32 valueSize;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if (rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, accessMode) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::VALUE_NOT_EXISTS;
}
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE]);
sal_uInt32 readBytes;
if ( rValue.readAt(0, pBuffer.get(), VALUE_HEADERSIZE, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != VALUE_HEADERSIZE)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt8 type = pBuffer[0];
valueType = static_cast<RegValueType>(type);
if (valueType != RegValueType::LONGLIST)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
readUINT32(pBuffer.get()+VALUE_TYPEOFFSET, valueSize);
/* check for 'reasonable' value */
/* surely 10 millions entry in a registry list should be enough */
if(valueSize > 40000000)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
pBuffer.reset(new sal_uInt8[valueSize]);
if ( rValue.readAt(VALUE_HEADEROFFSET, pBuffer.get(), valueSize, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != valueSize)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt32 len = 0;
readUINT32(pBuffer.get(), len);
/* make sure the declared size of the array is consistent with the amount of data we have read */
if(len > (valueSize - 4) / 4)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
*pLen = len;
sal_Int32* pVList = static_cast<sal_Int32*>(rtl_allocateZeroMemory(len * sizeof(sal_Int32)));
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array;
for (sal_uInt32 i = 0; i < len; i++)
{
readINT32(pBuffer.get()+offset, pVList[i]);
offset += 4;
}
*pValueList = pVList;
return RegError::NO_ERROR;
}
RegError ORegKey::getStringListValue(std::u16string_view valueName, char*** pValueList, sal_uInt32* pLen) const
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
RegValueType valueType;
sal_uInt32 valueSize;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if ( rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, accessMode) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::VALUE_NOT_EXISTS;
}
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE]);
sal_uInt32 readBytes;
if ( rValue.readAt(0, pBuffer.get(), VALUE_HEADERSIZE, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != VALUE_HEADERSIZE)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt8 type = pBuffer[0];
valueType = static_cast<RegValueType>(type);
if (valueType != RegValueType::STRINGLIST)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
readUINT32(pBuffer.get()+VALUE_TYPEOFFSET, valueSize);
pBuffer.reset(new sal_uInt8[valueSize]);
if ( rValue.readAt(VALUE_HEADEROFFSET, pBuffer.get(), valueSize, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != valueSize)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt32 len = 0;
readUINT32(pBuffer.get(), len);
*pLen = len;
char** pVList = static_cast<char**>(rtl_allocateZeroMemory(len * sizeof(char*)));
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array;
sal_uInt32 sLen = 0;
char *pValue;
for (sal_uInt32 i=0; i < len; i++)
{
readUINT32(pBuffer.get()+offset, sLen);
offset += 4;
pValue = static_cast<char*>(std::malloc(sLen));
readUtf8(pBuffer.get()+offset, pValue, sLen);
pVList[i] = pValue;
offset += sLen;
}
*pValueList = pVList;
return RegError::NO_ERROR;
}
RegError ORegKey::getUnicodeListValue(std::u16string_view valueName, sal_Unicode*** pValueList, sal_uInt32* pLen) const
{
OStoreStream rValue;
std::unique_ptr<sal_uInt8[]> pBuffer;
RegValueType valueType;
sal_uInt32 valueSize;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
OUString sImplValueName = OUString::Concat(VALUE_PREFIX) + valueName;
REG_GUARD(m_pRegistry->m_mutex);
if ( rValue.create(getStoreFile(), m_name + ORegistry::ROOT, sImplValueName, accessMode) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::VALUE_NOT_EXISTS;
}
pBuffer.reset(new sal_uInt8[VALUE_HEADERSIZE]);
sal_uInt32 readBytes;
if ( rValue.readAt(0, pBuffer.get(), VALUE_HEADERSIZE, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != VALUE_HEADERSIZE)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt8 type = pBuffer[0];
valueType = static_cast<RegValueType>(type);
if (valueType != RegValueType::UNICODELIST)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
readUINT32(pBuffer.get()+VALUE_TYPEOFFSET, valueSize);
pBuffer.reset(new sal_uInt8[valueSize]);
if ( rValue.readAt(VALUE_HEADEROFFSET, pBuffer.get(), valueSize, readBytes) )
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
if (readBytes != valueSize)
{
pValueList = nullptr;
*pLen = 0;
return RegError::INVALID_VALUE;
}
sal_uInt32 len = 0;
readUINT32(pBuffer.get(), len);
*pLen = len;
sal_Unicode** pVList = static_cast<sal_Unicode**>(rtl_allocateZeroMemory(len * sizeof(sal_Unicode*)));
sal_uInt32 offset = 4; // initial 4 bytes for the size of the array;
sal_uInt32 sLen = 0;
sal_Unicode *pValue;
for (sal_uInt32 i=0; i < len; i++)
{
readUINT32(pBuffer.get()+offset, sLen);
offset += 4;
pValue = static_cast<sal_Unicode*>(std::malloc((sLen / 2) * sizeof(sal_Unicode)));
readString(pBuffer.get()+offset, pValue, sLen);
pVList[i] = pValue;
offset += sLen;
}
*pValueList = pVList;
return RegError::NO_ERROR;
}
RegError ORegKey::getResolvedKeyName(std::u16string_view keyName,
OUString& resolvedName) const
{
if (keyName.empty())
return RegError::INVALID_KEYNAME;
resolvedName = getFullPath(keyName);
return RegError::NO_ERROR;
}
sal_uInt32 ORegKey::countSubKeys()
{
REG_GUARD(m_pRegistry->m_mutex);
OStoreDirectory::iterator iter;
OStoreDirectory rStoreDir = getStoreDir();
storeError _err = rStoreDir.first(iter);
sal_uInt32 count = 0;
while ( _err == store_E_None )
{
if ( iter.m_nAttrib & STORE_ATTRIB_ISDIR )
{
count++;
}
_err = rStoreDir.next(iter);
}
return count;
}
OStoreDirectory ORegKey::getStoreDir() const
{
OStoreDirectory rStoreDir;
OUString fullPath;
OUString relativName;
storeAccessMode accessMode = storeAccessMode::ReadWrite;
if ( m_name == ORegistry::ROOT )
{
fullPath.clear();
relativName.clear();
} else
{
fullPath = m_name.copy(0, m_name.lastIndexOf('/') + 1);
relativName = m_name.copy(m_name.lastIndexOf('/') + 1);
}
if (m_pRegistry->isReadOnly())
{
accessMode = storeAccessMode::ReadOnly;
}
rStoreDir.create(getStoreFile(), fullPath, relativName, accessMode);
return rStoreDir;
}
OUString ORegKey::getFullPath(std::u16string_view path) const {
OSL_ASSERT(!m_name.isEmpty() && !path.empty());
OUStringBuffer b(32);
b.append(m_name);
if (!b.isEmpty() && b[b.getLength() - 1] == '/') {
if (path[0] == '/') {
b.append(path.substr(1));
} else {
b.append(path);
}
} else {
if (path[0] != '/') {
b.append('/');
}
b.append(path);
}
return b.makeStringAndClear();
}
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