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-rw-r--r--tools/source/generic/config.cxx946
1 files changed, 946 insertions, 0 deletions
diff --git a/tools/source/generic/config.cxx b/tools/source/generic/config.cxx
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+++ b/tools/source/generic/config.cxx
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+/* -*- 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 <cstddef>
+#include <cstdlib>
+#include <string.h>
+
+#ifdef _WIN32
+#include <stdlib.h>
+#endif
+
+#include <osl/file.hxx>
+#include <tools/config.hxx>
+#include <sal/log.hxx>
+
+namespace {
+
+struct ImplKeyData
+{
+ ImplKeyData* mpNext;
+ OString maKey;
+ OString maValue;
+ bool mbIsComment;
+};
+
+}
+
+struct ImplGroupData
+{
+ ImplGroupData* mpNext;
+ ImplKeyData* mpFirstKey;
+ OString maGroupName;
+ sal_uInt16 mnEmptyLines;
+};
+
+struct ImplConfigData
+{
+ ImplGroupData* mpFirstGroup;
+ OUString maFileName;
+ sal_uInt32 mnDataUpdateId;
+ sal_uInt32 mnTimeStamp;
+ bool mbModified;
+ bool mbRead;
+ bool mbIsUTF8BOM;
+};
+
+static OUString toUncPath( const OUString& rPath )
+{
+ OUString aFileURL;
+
+ // check if rFileName is already a URL; if not make it so
+ if( rPath.startsWith( "file://"))
+ {
+ aFileURL = rPath;
+ }
+ else if( ::osl::FileBase::getFileURLFromSystemPath( rPath, aFileURL ) != ::osl::FileBase::E_None )
+ {
+ aFileURL = rPath;
+ }
+ return aFileURL;
+}
+
+static sal_uInt32 ImplSysGetConfigTimeStamp( const OUString& rFileName )
+{
+ sal_uInt32 nTimeStamp = 0;
+ ::osl::DirectoryItem aItem;
+ ::osl::FileStatus aStatus( osl_FileStatus_Mask_ModifyTime );
+
+ if( ::osl::DirectoryItem::get( rFileName, aItem ) == ::osl::FileBase::E_None &&
+ aItem.getFileStatus( aStatus ) == ::osl::FileBase::E_None )
+ {
+ nTimeStamp = aStatus.getModifyTime().Seconds;
+ }
+
+ return nTimeStamp;
+}
+
+static std::unique_ptr<sal_uInt8[]> ImplSysReadConfig( const OUString& rFileName,
+ sal_uInt64& rRead, bool& rbRead, bool& rbIsUTF8BOM, sal_uInt32& rTimeStamp )
+{
+ std::unique_ptr<sal_uInt8[]> pBuf;
+ ::osl::File aFile( rFileName );
+
+ if( aFile.open( osl_File_OpenFlag_Read ) == ::osl::FileBase::E_None )
+ {
+ sal_uInt64 nPos = 0;
+ if( aFile.getSize( nPos ) == ::osl::FileBase::E_None )
+ {
+ if (nPos > SAL_MAX_SIZE) {
+ aFile.close();
+ return nullptr;
+ }
+ pBuf.reset(new sal_uInt8[static_cast< std::size_t >(nPos)]);
+ sal_uInt64 nRead = 0;
+ if( aFile.read( pBuf.get(), nPos, nRead ) == ::osl::FileBase::E_None && nRead == nPos )
+ {
+ //skip the byte-order-mark 0xEF 0xBB 0xBF, if it was UTF8 files
+ unsigned char const BOM[3] = {0xEF, 0xBB, 0xBF};
+ if (nRead > 2 && memcmp(pBuf.get(), BOM, 3) == 0)
+ {
+ nRead -= 3;
+ memmove(pBuf.get(), pBuf.get() + 3, sal::static_int_cast<std::size_t>(nRead * sizeof(sal_uInt8)) );
+ rbIsUTF8BOM = true;
+ }
+
+ rTimeStamp = ImplSysGetConfigTimeStamp( rFileName );
+ rbRead = true;
+ rRead = nRead;
+ }
+ else
+ {
+ pBuf.reset();
+ }
+ }
+ aFile.close();
+ }
+
+ return pBuf;
+}
+
+static bool ImplSysWriteConfig( const OUString& rFileName,
+ const sal_uInt8* pBuf, sal_uInt32 nBufLen, bool rbIsUTF8BOM, sal_uInt32& rTimeStamp )
+{
+ bool bSuccess = false;
+ bool bUTF8BOMSuccess = false;
+
+ ::osl::File aFile( rFileName );
+ ::osl::FileBase::RC eError = aFile.open( osl_File_OpenFlag_Write | osl_File_OpenFlag_Create );
+ if( eError != ::osl::FileBase::E_None )
+ eError = aFile.open( osl_File_OpenFlag_Write );
+ if( eError == ::osl::FileBase::E_None )
+ {
+ // truncate
+ aFile.setSize( 0 );
+ sal_uInt64 nWritten;
+
+ //write the byte-order-mark 0xEF 0xBB 0xBF first , if it was UTF8 files
+ if ( rbIsUTF8BOM )
+ {
+ unsigned char const BOM[3] = {0xEF, 0xBB, 0xBF};
+ sal_uInt64 nUTF8BOMWritten;
+ if( aFile.write( BOM, 3, nUTF8BOMWritten ) == ::osl::FileBase::E_None && 3 == nUTF8BOMWritten )
+ {
+ bUTF8BOMSuccess = true;
+ }
+ }
+
+ if( aFile.write( pBuf, nBufLen, nWritten ) == ::osl::FileBase::E_None && nWritten == nBufLen )
+ {
+ bSuccess = true;
+ }
+ if ( rbIsUTF8BOM ? bSuccess && bUTF8BOMSuccess : bSuccess )
+ {
+ rTimeStamp = ImplSysGetConfigTimeStamp( rFileName );
+ }
+ }
+
+ return rbIsUTF8BOM ? bSuccess && bUTF8BOMSuccess : bSuccess;
+}
+
+namespace {
+OString makeOString(const sal_uInt8* p, sal_uInt64 n)
+{
+ if (n > SAL_MAX_INT32)
+ {
+ #ifdef _WIN32
+ abort();
+ #else
+ ::std::abort(); //TODO: handle this gracefully
+ #endif
+ }
+ return OString(
+ reinterpret_cast< char const * >(p),
+ sal::static_int_cast< sal_Int32 >(n));
+}
+}
+
+static void ImplMakeConfigList( ImplConfigData* pData,
+ const sal_uInt8* pBuf, sal_uInt64 nLen )
+{
+ if ( !nLen )
+ return;
+
+ // Parse buffer and build config list
+ sal_uInt64 nStart;
+ sal_uInt64 nLineLen;
+ sal_uInt64 nNameLen;
+ sal_uInt64 nKeyLen;
+ sal_uInt64 i;
+ const sal_uInt8* pLine;
+ ImplKeyData* pPrevKey = nullptr;
+ ImplKeyData* pKey;
+ ImplGroupData* pPrevGroup = nullptr;
+ ImplGroupData* pGroup = nullptr;
+ i = 0;
+ while ( i < nLen )
+ {
+ // Ctrl+Z
+ if ( pBuf[i] == 0x1A )
+ break;
+
+ // Remove spaces and tabs
+ while ( (pBuf[i] == ' ') || (pBuf[i] == '\t') )
+ i++;
+
+ // remember line-starts
+ nStart = i;
+ pLine = pBuf+i;
+
+ // search line-endings
+ while ( (i < nLen) && pBuf[i] && (pBuf[i] != '\r') && (pBuf[i] != '\n') &&
+ (pBuf[i] != 0x1A) )
+ i++;
+
+ nLineLen = i-nStart;
+
+ // if Line-ending is found, continue once
+ if ( (i+1 < nLen) &&
+ (pBuf[i] != pBuf[i+1]) &&
+ ((pBuf[i+1] == '\r') || (pBuf[i+1] == '\n')) )
+ i++;
+ i++;
+
+ // evaluate line
+ if ( *pLine == '[' )
+ {
+ pGroup = new ImplGroupData;
+ pGroup->mpNext = nullptr;
+ pGroup->mpFirstKey = nullptr;
+ pGroup->mnEmptyLines = 0;
+ if ( pPrevGroup )
+ pPrevGroup->mpNext = pGroup;
+ else
+ pData->mpFirstGroup = pGroup;
+ pPrevGroup = pGroup;
+ pPrevKey = nullptr;
+ pKey = nullptr;
+
+ // filter group names
+ pLine++;
+ nLineLen--;
+ // remove spaces and tabs
+ while ( (*pLine == ' ') || (*pLine == '\t') )
+ {
+ nLineLen--;
+ pLine++;
+ }
+ nNameLen = 0;
+ while ( (nNameLen < nLineLen) && (pLine[nNameLen] != ']') )
+ nNameLen++;
+ if ( nNameLen )
+ {
+ while ( (pLine[nNameLen-1] == ' ') || (pLine[nNameLen-1] == '\t') )
+ nNameLen--;
+ }
+ pGroup->maGroupName = makeOString(pLine, nNameLen);
+ }
+ else
+ {
+ if ( nLineLen )
+ {
+ // If no group exists yet, add to default
+ if ( !pGroup )
+ {
+ pGroup = new ImplGroupData;
+ pGroup->mpNext = nullptr;
+ pGroup->mpFirstKey = nullptr;
+ pGroup->mnEmptyLines = 0;
+ pData->mpFirstGroup = pGroup;
+ pPrevGroup = pGroup;
+ pPrevKey = nullptr;
+ }
+
+ // if empty line, append it
+ if ( pPrevKey )
+ {
+ while ( pGroup->mnEmptyLines )
+ {
+ pKey = new ImplKeyData;
+ pKey->mbIsComment = true;
+ pPrevKey->mpNext = pKey;
+ pPrevKey = pKey;
+ pGroup->mnEmptyLines--;
+ }
+ }
+
+ // Generate new key
+ pKey = new ImplKeyData;
+ pKey->mpNext = nullptr;
+ if ( pPrevKey )
+ pPrevKey->mpNext = pKey;
+ else
+ pGroup->mpFirstKey = pKey;
+ pPrevKey = pKey;
+ if ( pLine[0] == ';' )
+ {
+ pKey->maValue = makeOString(pLine, nLineLen);
+ pKey->mbIsComment = true;
+ }
+ else
+ {
+ pKey->mbIsComment = false;
+ nNameLen = 0;
+ while ( (nNameLen < nLineLen) && (pLine[nNameLen] != '=') )
+ nNameLen++;
+ nKeyLen = nNameLen;
+ // Remove spaces and tabs
+ if ( nNameLen )
+ {
+ while ( (pLine[nNameLen-1] == ' ') || (pLine[nNameLen-1] == '\t') )
+ nNameLen--;
+ }
+ pKey->maKey = makeOString(pLine, nNameLen);
+ nKeyLen++;
+ if ( nKeyLen < nLineLen )
+ {
+ pLine += nKeyLen;
+ nLineLen -= nKeyLen;
+ // Remove spaces and tabs
+ while ( (*pLine == ' ') || (*pLine == '\t') )
+ {
+ nLineLen--;
+ pLine++;
+ }
+ if ( nLineLen )
+ {
+ while ( (pLine[nLineLen-1] == ' ') || (pLine[nLineLen-1] == '\t') )
+ nLineLen--;
+ pKey->maValue = makeOString(pLine, nLineLen);
+ }
+ }
+ }
+ }
+ else
+ {
+ // Spaces are counted and appended only after key generation,
+ // as we want to store spaces even after adding new keys
+ if ( pGroup )
+ pGroup->mnEmptyLines++;
+ }
+ }
+ }
+}
+
+static std::unique_ptr<sal_uInt8[]> ImplGetConfigBuffer( const ImplConfigData* pData, sal_uInt32& rLen )
+{
+ std::unique_ptr<sal_uInt8[]> pWriteBuf;
+ sal_uInt8* pBuf;
+ sal_uInt8 aLineEndBuf[2] = {0, 0};
+ ImplKeyData* pKey;
+ ImplGroupData* pGroup;
+ sal_uInt32 nBufLen;
+ sal_uInt32 nValueLen;
+ sal_uInt32 nKeyLen;
+ sal_uInt32 nLineEndLen;
+
+ aLineEndBuf[0] = '\r';
+ aLineEndBuf[1] = '\n';
+ nLineEndLen = 2;
+
+ nBufLen = 0;
+ pGroup = pData->mpFirstGroup;
+ while ( pGroup )
+ {
+ // Don't write empty groups
+ if ( pGroup->mpFirstKey )
+ {
+ nBufLen += pGroup->maGroupName.getLength() + nLineEndLen + 2;
+ pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ nValueLen = pKey->maValue.getLength();
+ if ( pKey->mbIsComment )
+ nBufLen += nValueLen + nLineEndLen;
+ else
+ nBufLen += pKey->maKey.getLength() + nValueLen + nLineEndLen + 1;
+
+ pKey = pKey->mpNext;
+ }
+
+ // Write empty lines after each group
+ if ( !pGroup->mnEmptyLines )
+ pGroup->mnEmptyLines = 1;
+ nBufLen += nLineEndLen * pGroup->mnEmptyLines;
+ }
+
+ pGroup = pGroup->mpNext;
+ }
+
+ // Output buffer length
+ rLen = nBufLen;
+ if ( !nBufLen )
+ {
+ pWriteBuf.reset(new sal_uInt8[nLineEndLen]);
+ pWriteBuf[0] = aLineEndBuf[0];
+ if ( nLineEndLen == 2 )
+ pWriteBuf[1] = aLineEndBuf[1];
+ return pWriteBuf;
+ }
+
+ // Allocate new write buffer (caller frees it)
+ pWriteBuf.reset(new sal_uInt8[nBufLen]);
+
+ // fill buffer
+ pBuf = pWriteBuf.get();
+ pGroup = pData->mpFirstGroup;
+ while ( pGroup )
+ {
+ // Don't write empty groups
+ if ( pGroup->mpFirstKey )
+ {
+ *pBuf = '['; pBuf++;
+ memcpy( pBuf, pGroup->maGroupName.getStr(), pGroup->maGroupName.getLength() );
+ pBuf += pGroup->maGroupName.getLength();
+ *pBuf = ']'; pBuf++;
+ *pBuf = aLineEndBuf[0]; pBuf++;
+ if ( nLineEndLen == 2 )
+ {
+ *pBuf = aLineEndBuf[1]; pBuf++;
+ }
+ pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ nValueLen = pKey->maValue.getLength();
+ if ( pKey->mbIsComment )
+ {
+ if ( nValueLen )
+ {
+ memcpy( pBuf, pKey->maValue.getStr(), nValueLen );
+ pBuf += nValueLen;
+ }
+ *pBuf = aLineEndBuf[0]; pBuf++;
+ if ( nLineEndLen == 2 )
+ {
+ *pBuf = aLineEndBuf[1]; pBuf++;
+ }
+ }
+ else
+ {
+ nKeyLen = pKey->maKey.getLength();
+ memcpy( pBuf, pKey->maKey.getStr(), nKeyLen );
+ pBuf += nKeyLen;
+ *pBuf = '='; pBuf++;
+ memcpy( pBuf, pKey->maValue.getStr(), nValueLen );
+ pBuf += nValueLen;
+ *pBuf = aLineEndBuf[0]; pBuf++;
+ if ( nLineEndLen == 2 )
+ {
+ *pBuf = aLineEndBuf[1]; pBuf++;
+ }
+ }
+
+ pKey = pKey->mpNext;
+ }
+
+ // Store empty line after each group
+ sal_uInt16 nEmptyLines = pGroup->mnEmptyLines;
+ while ( nEmptyLines )
+ {
+ *pBuf = aLineEndBuf[0]; pBuf++;
+ if ( nLineEndLen == 2 )
+ {
+ *pBuf = aLineEndBuf[1]; pBuf++;
+ }
+ nEmptyLines--;
+ }
+ }
+
+ pGroup = pGroup->mpNext;
+ }
+
+ return pWriteBuf;
+}
+
+static void ImplReadConfig( ImplConfigData* pData )
+{
+ sal_uInt32 nTimeStamp = 0;
+ sal_uInt64 nRead = 0;
+ bool bRead = false;
+ bool bIsUTF8BOM = false;
+ std::unique_ptr<sal_uInt8[]> pBuf = ImplSysReadConfig( pData->maFileName, nRead, bRead, bIsUTF8BOM, nTimeStamp );
+
+ // Read config list from buffer
+ if ( pBuf )
+ {
+ ImplMakeConfigList( pData, pBuf.get(), nRead );
+ pBuf.reset();
+ }
+ pData->mnTimeStamp = nTimeStamp;
+ pData->mbModified = false;
+ if ( bRead )
+ pData->mbRead = true;
+ if ( bIsUTF8BOM )
+ pData->mbIsUTF8BOM = true;
+}
+
+static void ImplWriteConfig( ImplConfigData* pData )
+{
+ SAL_WARN_IF( pData->mnTimeStamp != ImplSysGetConfigTimeStamp( pData->maFileName ),
+ "tools.generic", "Config overwrites modified configfile: " << pData->maFileName );
+
+ // Read config list from buffer
+ sal_uInt32 nBufLen;
+ std::unique_ptr<sal_uInt8[]> pBuf = ImplGetConfigBuffer( pData, nBufLen );
+ if ( pBuf )
+ {
+ if ( ImplSysWriteConfig( pData->maFileName, pBuf.get(), nBufLen, pData->mbIsUTF8BOM, pData->mnTimeStamp ) )
+ pData->mbModified = false;
+ }
+ else
+ pData->mbModified = false;
+}
+
+static void ImplDeleteConfigData( ImplConfigData* pData )
+{
+ ImplKeyData* pTempKey;
+ ImplKeyData* pKey;
+ ImplGroupData* pTempGroup;
+ ImplGroupData* pGroup = pData->mpFirstGroup;
+ while ( pGroup )
+ {
+ pTempGroup = pGroup->mpNext;
+
+ // remove all keys
+ pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ pTempKey = pKey->mpNext;
+ delete pKey;
+ pKey = pTempKey;
+ }
+
+ // remove group and continue
+ delete pGroup;
+ pGroup = pTempGroup;
+ }
+
+ pData->mpFirstGroup = nullptr;
+}
+
+static std::unique_ptr<ImplConfigData> ImplGetConfigData( const OUString& rFileName )
+{
+ std::unique_ptr<ImplConfigData> pData(new ImplConfigData);
+ pData->maFileName = rFileName;
+ pData->mpFirstGroup = nullptr;
+ pData->mnDataUpdateId = 0;
+ pData->mbRead = false;
+ pData->mbIsUTF8BOM = false;
+ ImplReadConfig( pData.get() );
+
+ return pData;
+}
+
+bool Config::ImplUpdateConfig() const
+{
+ // Re-read file if timestamp differs
+ if ( mpData->mnTimeStamp != ImplSysGetConfigTimeStamp( maFileName ) )
+ {
+ ImplDeleteConfigData( mpData.get() );
+ ImplReadConfig( mpData.get() );
+ mpData->mnDataUpdateId++;
+ return true;
+ }
+ else
+ return false;
+}
+
+ImplGroupData* Config::ImplGetGroup() const
+{
+ if ( !mpActGroup || (mnDataUpdateId != mpData->mnDataUpdateId) )
+ {
+ ImplGroupData* pPrevGroup = nullptr;
+ ImplGroupData* pGroup = mpData->mpFirstGroup;
+ while ( pGroup )
+ {
+ if ( pGroup->maGroupName.equalsIgnoreAsciiCase(maGroupName) )
+ break;
+
+ pPrevGroup = pGroup;
+ pGroup = pGroup->mpNext;
+ }
+
+ // Add group if not exists
+ if ( !pGroup )
+ {
+ pGroup = new ImplGroupData;
+ pGroup->mpNext = nullptr;
+ pGroup->mpFirstKey = nullptr;
+ pGroup->mnEmptyLines = 1;
+ if ( pPrevGroup )
+ pPrevGroup->mpNext = pGroup;
+ else
+ mpData->mpFirstGroup = pGroup;
+ }
+
+ // Always inherit group names and update cache members
+ pGroup->maGroupName = maGroupName;
+ const_cast<Config*>(this)->mnDataUpdateId = mpData->mnDataUpdateId;
+ const_cast<Config*>(this)->mpActGroup = pGroup;
+ }
+
+ return mpActGroup;
+}
+
+Config::Config( const OUString& rFileName )
+{
+ // Initialize config data
+ maFileName = toUncPath( rFileName );
+ mpData = ImplGetConfigData( maFileName );
+ mpActGroup = nullptr;
+ mnDataUpdateId = 0;
+
+ SAL_INFO("tools.generic", "Config::Config( " << maFileName << " )");
+}
+
+Config::~Config()
+{
+ SAL_INFO("tools.generic", "Config::~Config()" );
+
+ Flush();
+ ImplDeleteConfigData( mpData.get() );
+}
+
+void Config::SetGroup(const OString& rGroup)
+{
+ // If group is to be reset, it needs to be updated on next call
+ if ( maGroupName != rGroup )
+ {
+ maGroupName = rGroup;
+ mnDataUpdateId = mpData->mnDataUpdateId-1;
+ }
+}
+
+void Config::DeleteGroup(const OString& rGroup)
+{
+ // Update config data if necessary
+ if ( !mpData->mbRead )
+ {
+ ImplUpdateConfig();
+ mpData->mbRead = true;
+ }
+
+ ImplGroupData* pPrevGroup = nullptr;
+ ImplGroupData* pGroup = mpData->mpFirstGroup;
+ while ( pGroup )
+ {
+ if ( pGroup->maGroupName.equalsIgnoreAsciiCase(rGroup) )
+ break;
+
+ pPrevGroup = pGroup;
+ pGroup = pGroup->mpNext;
+ }
+
+ if ( pGroup )
+ {
+ // Remove all keys
+ ImplKeyData* pTempKey;
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ pTempKey = pKey->mpNext;
+ delete pKey;
+ pKey = pTempKey;
+ }
+
+ // Rewire pointers and remove group
+ if ( pPrevGroup )
+ pPrevGroup->mpNext = pGroup->mpNext;
+ else
+ mpData->mpFirstGroup = pGroup->mpNext;
+ delete pGroup;
+
+ // Rewrite config data
+ mpData->mbModified = true;
+
+ mnDataUpdateId = mpData->mnDataUpdateId;
+ mpData->mnDataUpdateId++;
+ }
+}
+
+OString Config::GetGroupName(sal_uInt16 nGroup) const
+{
+ ImplGroupData* pGroup = mpData->mpFirstGroup;
+ sal_uInt16 nGroupCount = 0;
+ OString aGroupName;
+ while ( pGroup )
+ {
+ if ( nGroup == nGroupCount )
+ {
+ aGroupName = pGroup->maGroupName;
+ break;
+ }
+
+ nGroupCount++;
+ pGroup = pGroup->mpNext;
+ }
+
+ return aGroupName;
+}
+
+sal_uInt16 Config::GetGroupCount() const
+{
+ ImplGroupData* pGroup = mpData->mpFirstGroup;
+ sal_uInt16 nGroupCount = 0;
+ while ( pGroup )
+ {
+ nGroupCount++;
+ pGroup = pGroup->mpNext;
+ }
+
+ return nGroupCount;
+}
+
+bool Config::HasGroup(const OString& rGroup) const
+{
+ ImplGroupData* pGroup = mpData->mpFirstGroup;
+ bool bRet = false;
+
+ while( pGroup )
+ {
+ if( pGroup->maGroupName.equalsIgnoreAsciiCase(rGroup) )
+ {
+ bRet = true;
+ break;
+ }
+
+ pGroup = pGroup->mpNext;
+ }
+
+ return bRet;
+}
+
+OString Config::ReadKey(const OString& rKey) const
+{
+ return ReadKey(rKey, OString());
+}
+
+OString Config::ReadKey(const OString& rKey, const OString& rDefault) const
+{
+ SAL_INFO("tools.generic", "Config::ReadKey( " << rKey << " ) from " << GetGroup()
+ << " in " << maFileName);
+
+ // Search key, return value if found
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment && pKey->maKey.equalsIgnoreAsciiCase(rKey) )
+ return pKey->maValue;
+
+ pKey = pKey->mpNext;
+ }
+ }
+
+ return rDefault;
+}
+
+void Config::WriteKey(const OString& rKey, const OString& rStr)
+{
+ SAL_INFO("tools.generic", "Config::WriteKey( " << rKey << ", " << rStr << " ) to "
+ << GetGroup() << " in " << maFileName);
+
+ // Update config data if necessary
+ if ( !mpData->mbRead )
+ {
+ ImplUpdateConfig();
+ mpData->mbRead = true;
+ }
+
+ // Search key and update value if found
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pPrevKey = nullptr;
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment && pKey->maKey.equalsIgnoreAsciiCase(rKey) )
+ break;
+
+ pPrevKey = pKey;
+ pKey = pKey->mpNext;
+ }
+
+ bool bNewValue;
+ if ( !pKey )
+ {
+ pKey = new ImplKeyData;
+ pKey->mpNext = nullptr;
+ pKey->maKey = rKey;
+ pKey->mbIsComment = false;
+ if ( pPrevKey )
+ pPrevKey->mpNext = pKey;
+ else
+ pGroup->mpFirstKey = pKey;
+ bNewValue = true;
+ }
+ else
+ bNewValue = pKey->maValue != rStr;
+
+ if ( bNewValue )
+ {
+ pKey->maValue = rStr;
+
+ mpData->mbModified = true;
+ }
+ }
+}
+
+void Config::DeleteKey(const OString& rKey)
+{
+ // Update config data if necessary
+ if ( !mpData->mbRead )
+ {
+ ImplUpdateConfig();
+ mpData->mbRead = true;
+ }
+
+ // Search key and update value
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pPrevKey = nullptr;
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment && pKey->maKey.equalsIgnoreAsciiCase(rKey) )
+ break;
+
+ pPrevKey = pKey;
+ pKey = pKey->mpNext;
+ }
+
+ if ( pKey )
+ {
+ // Rewire group pointers and delete
+ if ( pPrevKey )
+ pPrevKey->mpNext = pKey->mpNext;
+ else
+ pGroup->mpFirstKey = pKey->mpNext;
+ delete pKey;
+
+ mpData->mbModified = true;
+ }
+ }
+}
+
+sal_uInt16 Config::GetKeyCount() const
+{
+ SAL_INFO("tools.generic", "Config::GetKeyCount() from " << GetGroup() << " in " << maFileName);
+
+ // Search key and update value
+ sal_uInt16 nCount = 0;
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment )
+ nCount++;
+
+ pKey = pKey->mpNext;
+ }
+ }
+
+ return nCount;
+}
+
+OString Config::GetKeyName(sal_uInt16 nKey) const
+{
+ SAL_INFO("tools.generic", "Config::GetKeyName( " << OString::number(static_cast<sal_Int32>(nKey))
+ << " ) from " << GetGroup() << " in " << maFileName);
+
+ // search key and return name if found
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment )
+ {
+ if ( !nKey )
+ return pKey->maKey;
+ nKey--;
+ }
+
+ pKey = pKey->mpNext;
+ }
+ }
+
+ return OString();
+}
+
+OString Config::ReadKey(sal_uInt16 nKey) const
+{
+ SAL_INFO("tools.generic", "Config::ReadKey( " << OString::number(static_cast<sal_Int32>(nKey))
+ << " ) from " << GetGroup() << " in " << maFileName);
+
+ // Search key and return value if found
+ ImplGroupData* pGroup = ImplGetGroup();
+ if ( pGroup )
+ {
+ ImplKeyData* pKey = pGroup->mpFirstKey;
+ while ( pKey )
+ {
+ if ( !pKey->mbIsComment )
+ {
+ if ( !nKey )
+ return pKey->maValue;
+ nKey--;
+ }
+
+ pKey = pKey->mpNext;
+ }
+ }
+
+ return OString();
+}
+
+void Config::Flush()
+{
+ if ( mpData->mbModified )
+ ImplWriteConfig( mpData.get() );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 03:35:24 +0000