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Diffstat (limited to '')
| -rw-r--r-- | registry/source/keyimpl.cxx | 983 |
1 files changed, 983 insertions, 0 deletions
diff --git a/registry/source/keyimpl.cxx b/registry/source/keyimpl.cxx new file mode 100644 index 000000000..abf8e0d1e --- /dev/null +++ b/registry/source/keyimpl.cxx @@ -0,0 +1,983 @@ +/* -*- 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> + +using namespace store; + +namespace { char const VALUE_PREFIX[] = "$VL_"; } + + +// ORegKey() + +ORegKey::ORegKey(const OUString& keyName, ORegistry* pReg) + : m_refCount(1) + , m_name(keyName) + , m_bDeleted(false) + , m_bModified(false) + , m_pRegistry(pReg) +{ +} + + +// ~ORegKey() + +ORegKey::~ORegKey() +{ + SAL_WARN_IF(m_refCount != 0, "registry", "registry::ORegKey::dtor(): refcount not zero."); +} + + +// releaseKey + +RegError ORegKey::releaseKey(RegKeyHandle hKey) +{ + return m_pRegistry->releaseKey(hKey); +} + + +// createKey + +RegError ORegKey::createKey(std::u16string_view keyName, RegKeyHandle* phNewKey) +{ + return m_pRegistry->createKey(this, keyName, phNewKey); +} + + +// openKey + +RegError ORegKey::openKey(std::u16string_view keyName, RegKeyHandle* phOpenKey) +{ + return m_pRegistry->openKey(this, keyName, phOpenKey); +} + + +// openSubKeys + +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; +} + + +// getKeyNames + +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; +} + + +// closeKey + +RegError ORegKey::closeKey(RegKeyHandle hKey) +{ + return m_pRegistry->closeKey(hKey); +} + + +// deleteKey + +RegError ORegKey::deleteKey(std::u16string_view keyName) +{ + return m_pRegistry->deleteKey(this, keyName); +} + + +// getValueType + +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; +} + + +// setValue + +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; +} + + +// setLongListValue + +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; +} + + +// setStringListValue + +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; +} + + +// setUnicodeListValue + +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; +} + + +// getValue + +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; +} + + +// getLongListValue + +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; +} + + +// getStringListValue + +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; +} + + +// getUnicodeListValue + +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; +} + + +// countSubKeys() + +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(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |