/* -*- 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 <UnxCommandThread.hxx>
#include <UnxNotifyThread.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <unistd.h>
#include <string.h>
#include <iostream>
using namespace ::com::sun::star;
// UnxFilePickerCommandThread
UnxFilePickerCommandThread::UnxFilePickerCommandThread( UnxFilePickerNotifyThread *pNotifyThread, int nReadFD )
: m_pNotifyThread( pNotifyThread ),
m_nReadFD( nReadFD )
{
}
UnxFilePickerCommandThread::~UnxFilePickerCommandThread()
{
}
bool SAL_CALL UnxFilePickerCommandThread::result()
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aResult;
}
OUString SAL_CALL UnxFilePickerCommandThread::getCurrentFilter()
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aGetCurrentFilter;
}
OUString SAL_CALL UnxFilePickerCommandThread::getDirectory()
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aGetDirectory;
}
uno::Sequence< OUString > SAL_CALL UnxFilePickerCommandThread::getFiles()
{
::osl::MutexGuard aGuard( m_aMutex );
sal_Int32 nSize = m_aGetFiles.size();
uno::Sequence< OUString > aFiles( ( nSize > 1 )? nSize + 1: nSize );
if ( nSize == 1 )
aFiles[0] = m_aGetFiles.front();
else if ( nSize > 1 )
{
// First entry in the sequence must be the dirname, the others are the
// filenames, so we have to rearrange the list...
OUString aFront = m_aGetFiles.front();
sal_Int32 nLastSlash = aFront.lastIndexOf( '/' );
aFiles[0] = ( nLastSlash >= 0 )? aFront.copy( 0, nLastSlash ): OUString();
++nLastSlash;
sal_Int32 nIdx = 1;
for ( ::std::list< OUString >::const_iterator it = m_aGetFiles.begin();
it != m_aGetFiles.end(); ++it, ++nIdx )
{
sal_Int32 nLength = (*it).getLength() - nLastSlash;
aFiles[nIdx] = ( nLength >= 0 )? (*it).copy( nLastSlash, nLength ): OUString();
}
}
return aFiles;
}
uno::Any SAL_CALL UnxFilePickerCommandThread::getValue()
{
::osl::MutexGuard aGuard( m_aMutex );
return m_aGetValue;
}
void SAL_CALL UnxFilePickerCommandThread::run()
{
osl_setThreadName("UnxFilePickerCommandThread");
if ( m_nReadFD < 0 )
return;
sal_Int32 nBufferSize = 1024; // 1 is for testing, 1024 for real use
sal_Char *pBuffer = new sal_Char[nBufferSize];
sal_Char *pBufferEnd = pBuffer + nBufferSize;
sal_Char *pWhereToRead = pBuffer;
sal_Char *pEntryBegin = pBuffer;
sal_Int32 nBytesRead = 0;
bool bShouldExit = false;
while ( !bShouldExit && ( nBytesRead = read( m_nReadFD, pWhereToRead, pBufferEnd - pWhereToRead ) ) > 0 )
{
bool bFoundNL = false;
sal_Char *pWhereToReadEnd = pWhereToRead + nBytesRead;
sal_Char *pEntryEnd = pWhereToRead;
do {
for ( ; pEntryEnd < pWhereToReadEnd && *pEntryEnd != '\n'; ++pEntryEnd )
;
if ( pEntryEnd < pWhereToReadEnd )
{
bFoundNL = true;
*pEntryEnd = 0;
if ( strcmp( pEntryBegin, "exited" ) == 0 )
bShouldExit = true;
else
handleCommand( OUString( pEntryBegin, pEntryEnd - pEntryBegin, RTL_TEXTENCODING_UTF8 )/*, bQuit*/ );
pEntryBegin = pEntryEnd + 1;
}
} while ( pEntryEnd < pWhereToReadEnd );
if ( bFoundNL )
{
if ( pEntryBegin < pBufferEnd )
memmove( pBuffer, pEntryBegin, pWhereToReadEnd - pEntryBegin );
}
else
{
// enlarge the buffer size
nBufferSize *= 2;
sal_Char *pNewBuffer = new sal_Char[nBufferSize];
if ( pEntryBegin < pBufferEnd )
memcpy( pNewBuffer, pEntryBegin, pWhereToReadEnd - pEntryBegin );
delete[] pBuffer;
pBuffer = pNewBuffer;
pBufferEnd = pBuffer + nBufferSize;
}
pWhereToRead = pBuffer + ( pWhereToReadEnd - pEntryBegin );
pEntryBegin = pBuffer;
}
}
void SAL_CALL UnxFilePickerCommandThread::handleCommand( const OUString &rCommand )
{
::osl::MutexGuard aGuard( m_aMutex );
#if OSL_DEBUG_LEVEL > 0
::std::cerr << "UnxFilePicker received: \"" <<
OUStringToOString( rCommand, RTL_TEXTENCODING_ASCII_US ).getStr() << "\"" << ::std::endl;
#endif
::std::list< OUString > aList = tokenize( rCommand );
if ( aList.empty() )
return;
OUString aCommandName = aList.front();
aList.pop_front();
if ( aCommandName == "accept" )
{
m_aResult = true;
m_aExecCondition.set();
}
else if ( aCommandName == "reject" )
{
m_aResult = false;
m_aExecCondition.set();
}
else if ( aCommandName == "fileSelectionChanged" )
{
if ( m_pNotifyThread )
m_pNotifyThread->fileSelectionChanged();
}
else if ( aCommandName == "files" )
{
m_aGetFiles = aList;
m_aGetFilesCondition.set();
}
else if ( aCommandName == "value" )
{
OUString aType;
if ( !aList.empty() )
{
aType = aList.front();
aList.pop_front();
}
if ( aType == "bool" )
{
bool bValue = !aList.empty() && aList.front().equalsIgnoreAsciiCase("true");
m_aGetValue <<= bValue;
m_aGetValueCondition.set();
}
else if ( aType == "int" )
{
sal_Int32 nValue = 0;
if ( !aList.empty() )
nValue = aList.front().toInt32();
m_aGetValue <<= nValue;
m_aGetValueCondition.set();
}
else if ( aType == "string" )
{
OUString aValue;
if ( !aList.empty() )
aValue = aList.front();
m_aGetValue <<= aValue;
m_aGetValueCondition.set();
}
else if ( aType == "stringList" )
{
uno::Sequence< OUString > aSequence( aList.size() );
sal_Int32 nIdx = 0;
for ( ::std::list< OUString >::const_iterator it = aList.begin(); it != aList.end(); ++it, ++nIdx )
aSequence[nIdx] = (*it);
m_aGetValue <<= aSequence;
m_aGetValueCondition.set();
}
else
{
m_aGetValue = uno::Any();
m_aGetValueCondition.set();
}
}
else if ( aCommandName == "currentFilter" )
{
m_aGetCurrentFilter = aList.empty()? OUString(): aList.front();
m_aGetCurrentFilterCondition.set();
}
else if ( aCommandName == "currentDirectory" )
{
m_aGetDirectory = aList.empty()? OUString(): aList.front();
m_aGetDirectoryCondition.set();
}
else
{
#if OSL_DEBUG_LEVEL > 0
::std::cerr << "Unrecognized command: "
<< OUStringToOString( aCommandName, RTL_TEXTENCODING_ASCII_US ).getStr() << "\"" << ::std::endl;
#endif
}
}
::std::list< OUString > SAL_CALL UnxFilePickerCommandThread::tokenize( const OUString &rCommand )
{
::std::list< OUString > aList;
OUStringBuffer aBuffer( 1024 );
const sal_Unicode *pUnicode = rCommand.getStr();
const sal_Unicode *pEnd = pUnicode + rCommand.getLength();
bool bQuoted = false;
for ( ; pUnicode != pEnd; ++pUnicode )
{
if ( *pUnicode == '\\' )
{
++pUnicode;
if ( pUnicode != pEnd )
{
if ( *pUnicode == 'n' )
aBuffer.appendAscii( "\n", 1 );
else
aBuffer.append( *pUnicode );
}
}
else if ( *pUnicode == '"' )
bQuoted = !bQuoted;
else if ( *pUnicode == ' ' && !bQuoted )
aList.push_back( aBuffer.makeStringAndClear() );
else
aBuffer.append( *pUnicode );
}
aList.push_back( aBuffer.makeStringAndClear() );
return aList;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */