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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 <sal/config.h>
#include <algorithm>
#include <parser.hxx>
#include <database.hxx>
#include <globals.hxx>
#include <osl/file.hxx>
bool SvIdlParser::ReadSvIdl( bool bImported, const OUString & rPath )
{
rBase.SetPath(rPath); // only valid for this iteration
bool bOk = true;
SvToken& rTok = rInStm.GetToken();
while( bOk )
{
rTok = rInStm.GetToken();
if( rTok.IsEof() )
return true;
if( rTok.Is( SvHash_module() ) )
{
tools::SvRef<SvMetaModule> aModule = new SvMetaModule( bImported );
if( ReadModuleHeader(*aModule) )
rBase.GetModuleList().push_back( aModule );
else
bOk = false;
}
else
bOk = false;
}
if( !bOk || !rTok.IsEof() )
{
// error treatment
rBase.WriteError( rInStm );
return false;
}
return true;
}
bool SvIdlParser::ReadModuleHeader(SvMetaModule& rModule)
{
sal_uInt32 nTokPos = rInStm.Tell();
SvToken& rTok = rInStm.GetToken_Next();
bool bOk = true;
rTok = rInStm.GetToken_Next();
if( !rTok.IsIdentifier() )
{
rInStm.Seek( nTokPos );
return false;
}
rBase.Push( &rModule ); // onto the context stack
rModule.SetName( rTok.GetString() );
bOk = ReadModuleBody(rModule);
rBase.GetStack().pop_back(); // remove from stack
if( !bOk )
rInStm.Seek( nTokPos );
return bOk;
}
bool SvIdlParser::ReadModuleBody(SvMetaModule& rModule)
{
sal_uInt32 nTokPos = rInStm.Tell();
bool bOk = true;
if( rInStm.ReadIf( '[' ) )
{
while( true )
{
OString aSlotIdFile;
if( !ReadStringSvIdl( SvHash_SlotIdFile(), rInStm, aSlotIdFile ) )
break;
if( !rBase.ReadIdFile( OStringToOUString(aSlotIdFile, RTL_TEXTENCODING_ASCII_US)) )
{
throw SvParseException( rInStm, "cannot read file: " + aSlotIdFile );
}
rInStm.ReadIfDelimiter();
}
ReadChar( ']' );
}
if( !rInStm.ReadIf( '{' ) )
return bOk;
sal_uInt32 nBeginPos = 0;
while( nBeginPos != rInStm.Tell() )
{
nBeginPos = rInStm.Tell();
ReadModuleElement( rModule );
rInStm.ReadIfDelimiter();
}
ReadChar( '}' );
if( !bOk )
rInStm.Seek( nTokPos );
return bOk;
}
void SvIdlParser::ReadModuleElement( SvMetaModule& rModule )
{
sal_uInt32 nTokPos = rInStm.Tell();
if( rInStm.GetToken().Is( SvHash_interface() )
|| rInStm.GetToken().Is( SvHash_shell() ) )
{
tools::SvRef<SvMetaClass> aClass( new SvMetaClass() );
if( aClass->ReadSvIdl( rBase, rInStm ) )
{
rModule.aClassList.push_back( aClass );
// announce globally
rBase.GetClassList().push_back( aClass );
}
}
else if( rInStm.GetToken().Is( SvHash_enum() ) )
{
tools::SvRef<SvMetaTypeEnum> aEnum( new SvMetaTypeEnum() );
ReadEnum(*aEnum);
// announce globally
rBase.GetTypeList().push_back( aEnum );
}
else if( rInStm.GetToken().Is( SvHash_item() )
|| rInStm.GetToken().Is( SvHash_struct() ) )
{
tools::SvRef<SvMetaType> xItem(new SvMetaType() );
if( xItem->ReadSvIdl( rBase, rInStm ) )
{
// announce globally
rBase.GetTypeList().push_back( xItem );
}
}
else if( rInStm.GetToken().Is( SvHash_include() ) )
{
bool bOk = false;
rInStm.GetToken_Next();
SvToken& rTok = rInStm.GetToken_Next();
if( rTok.IsString() )
{
OUString aFullName(OStringToOUString(rTok.GetString(), RTL_TEXTENCODING_ASCII_US));
rBase.StartNewFile( aFullName );
osl::FileBase::RC searchError = osl::File::searchFileURL(aFullName, rBase.GetPath(), aFullName);
if( osl::FileBase::E_None != searchError )
{
OStringBuffer aStr("cannot find file:");
aStr.append(OUStringToOString(aFullName, RTL_TEXTENCODING_UTF8));
throw SvParseException(aStr.makeStringAndClear(), rTok);
}
osl::FileBase::getSystemPathFromFileURL( aFullName, aFullName );
rBase.AddDepFile( aFullName );
SvTokenStream aTokStm( aFullName );
if( SVSTREAM_OK != aTokStm.GetStream().GetError() )
{
OStringBuffer aStr("cannot open file: ");
aStr.append(OUStringToOString(aFullName, RTL_TEXTENCODING_UTF8));
throw SvParseException(aStr.makeStringAndClear(), rTok);
}
// rescue error from old file
SvIdlError aOldErr = rBase.GetError();
// reset error
rBase.SetError( SvIdlError() );
try {
SvIdlParser aIncludeParser( rBase, aTokStm );
sal_uInt32 nBeginPos = 0xFFFFFFFF; // can not happen with Tell
while( nBeginPos != aTokStm.Tell() )
{
nBeginPos = aTokStm.Tell();
aIncludeParser.ReadModuleElement(rModule);
aTokStm.ReadIfDelimiter();
}
} catch (const SvParseException& ex) {
rBase.SetError(ex.aError);
rBase.WriteError(aTokStm);
}
bOk = aTokStm.GetToken().IsEof();
if( !bOk )
{
rBase.WriteError( aTokStm );
}
// recover error from old file
rBase.SetError( aOldErr );
}
if( !bOk )
rInStm.Seek( nTokPos );
}
else
{
tools::SvRef<SvMetaSlot> xSlot( new SvMetaSlot() );
if( xSlot->ReadSvIdl( rBase, rInStm ) )
{
if( xSlot->Test( rInStm ) )
{
// announce globally
rBase.AppendSlot( xSlot );
}
}
}
}
void SvIdlParser::ReadEnum(SvMetaTypeEnum& rEnum)
{
rInStm.GetToken_Next();
rEnum.SetType( MetaTypeType::Enum );
rEnum.SetName( ReadIdentifier() );
ReadChar('{');
while( true )
{
ReadEnumValue( rEnum );
if( !rInStm.ReadIfDelimiter() )
break;
}
ReadChar( '}' );
}
namespace
{
OString getCommonSubPrefix(const OString &rA, const OString &rB)
{
sal_Int32 nMax = std::min(rA.getLength(), rB.getLength());
sal_Int32 nI = 0;
while (nI < nMax)
{
if (rA[nI] != rB[nI])
break;
++nI;
}
return rA.copy(0, nI);
}
}
void SvIdlParser::ReadEnumValue( SvMetaTypeEnum& rEnum )
{
sal_uInt32 nTokPos = rInStm.Tell();
tools::SvRef<SvMetaEnumValue> aEnumVal = new SvMetaEnumValue();
bool bOk = aEnumVal->ReadSvIdl( rBase, rInStm );
if( bOk )
{
if( rEnum.aEnumValueList.empty() )
{
// the first
rEnum.aPrefix = aEnumVal->GetName();
}
else
{
rEnum.aPrefix = getCommonSubPrefix(rEnum.aPrefix, aEnumVal->GetName());
}
rEnum.aEnumValueList.push_back( aEnumVal );
}
if( !bOk )
rInStm.Seek( nTokPos );
}
void SvIdlParser::ReadChar(char cChar)
{
if( !rInStm.ReadIf( cChar ) )
throw SvParseException(rInStm, "expected char '" + OString(cChar) + "'");
}
void SvIdlParser::ReadDelimiter()
{
if( !rInStm.ReadIfDelimiter() )
throw SvParseException(rInStm, "expected delimiter");
}
OString SvIdlParser::ReadIdentifier()
{
SvToken& rTok = rInStm.GetToken_Next();
if( !rTok.IsIdentifier() )
throw SvParseException("expected identifier", rTok);
return rTok.GetString();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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