diff options
Diffstat (limited to 'comphelper/source/misc/anytostring.cxx')
| -rw-r--r-- | comphelper/source/misc/anytostring.cxx | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/comphelper/source/misc/anytostring.cxx b/comphelper/source/misc/anytostring.cxx new file mode 100644 index 000000000..37242356e --- /dev/null +++ b/comphelper/source/misc/anytostring.cxx @@ -0,0 +1,320 @@ +/* -*- 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 <comphelper/anytostring.hxx> +#include <rtl/ustrbuf.hxx> +#include <typelib/typedescription.h> +#include <com/sun/star/lang/XServiceInfo.hpp> + +using namespace ::com::sun::star; + +namespace comphelper { +namespace { + +void appendTypeError( + OUStringBuffer & buf, typelib_TypeDescriptionReference * typeRef ) +{ + buf.append( "<cannot get type description of type " ); + buf.append( OUString::unacquired( &typeRef->pTypeName ) ); + buf.append( '>' ); +} + +void appendChar( OUStringBuffer & buf, sal_Unicode c ) +{ + if (c < ' ' || c > '~') { + buf.append( "\\X" ); + OUString const s( + OUString::number( static_cast< sal_Int32 >(c), 16 ) ); + for ( sal_Int32 f = 4 - s.getLength(); f > 0; --f ) + buf.append( '0' ); + buf.append( s ); + } + else { + buf.append( c ); + } +} + + +void appendValue( OUStringBuffer & buf, + void const * val, typelib_TypeDescriptionReference * typeRef, + bool prependType ) +{ + if (typeRef->eTypeClass == typelib_TypeClass_VOID) { + buf.append( "void" ); + return; + } + assert(val != nullptr); + + if (prependType && + typeRef->eTypeClass != typelib_TypeClass_STRING && + typeRef->eTypeClass != typelib_TypeClass_CHAR && + typeRef->eTypeClass != typelib_TypeClass_BOOLEAN) + { + buf.append( '(' ); + buf.append( OUString::unacquired( &typeRef->pTypeName ) ); + buf.append( ") " ); + } + + switch (typeRef->eTypeClass) { + case typelib_TypeClass_INTERFACE: { + buf.append( '@' ); + buf.append( reinterpret_cast< sal_Int64 >( + *static_cast< void * const * >(val) ), 16 ); + uno::Reference< lang::XServiceInfo > xServiceInfo( + *static_cast< uno::XInterface * const * >(val), + uno::UNO_QUERY ); + if (xServiceInfo.is()) { + buf.append( " (ImplementationName = \"" ); + buf.append( xServiceInfo->getImplementationName() ); + buf.append( "\")" ); + } + break; + } + case typelib_TypeClass_STRUCT: + case typelib_TypeClass_EXCEPTION: { + buf.append( "{ " ); + typelib_TypeDescription * typeDescr = nullptr; + typelib_typedescriptionreference_getDescription( &typeDescr, typeRef ); + if (typeDescr == nullptr || !typelib_typedescription_complete( &typeDescr )) { + appendTypeError( buf, typeRef ); + } + else { + typelib_CompoundTypeDescription * compType = + reinterpret_cast< typelib_CompoundTypeDescription * >( + typeDescr ); + sal_Int32 nDescr = compType->nMembers; + + if (compType->pBaseTypeDescription) { + appendValue( + buf, val, reinterpret_cast< + typelib_TypeDescription * >( + compType->pBaseTypeDescription)->pWeakRef, false ); + if (nDescr > 0) + buf.append( ", " ); + } + + typelib_TypeDescriptionReference ** ppTypeRefs = + compType->ppTypeRefs; + sal_Int32 * memberOffsets = compType->pMemberOffsets; + rtl_uString ** ppMemberNames = compType->ppMemberNames; + + for ( sal_Int32 nPos = 0; nPos < nDescr; ++nPos ) + { + buf.append( ppMemberNames[ nPos ] ); + buf.append( " = " ); + typelib_TypeDescription * memberType = nullptr; + TYPELIB_DANGER_GET( &memberType, ppTypeRefs[ nPos ] ); + if (memberType == nullptr) { + appendTypeError( buf, ppTypeRefs[ nPos ] ); + } + else { + appendValue( buf, + static_cast< char const * >( + val ) + memberOffsets[ nPos ], + memberType->pWeakRef, true ); + TYPELIB_DANGER_RELEASE( memberType ); + } + if (nPos < (nDescr - 1)) + buf.append( ", " ); + } + } + buf.append( " }" ); + if (typeDescr != nullptr) + typelib_typedescription_release( typeDescr ); + break; + } + case typelib_TypeClass_SEQUENCE: { + typelib_TypeDescription * typeDescr = nullptr; + TYPELIB_DANGER_GET( &typeDescr, typeRef ); + if (typeDescr == nullptr) { + appendTypeError( buf,typeRef ); + } + else { + typelib_TypeDescriptionReference * elementTypeRef = + reinterpret_cast< + typelib_IndirectTypeDescription * >(typeDescr)->pType; + typelib_TypeDescription * elementTypeDescr = nullptr; + TYPELIB_DANGER_GET( &elementTypeDescr, elementTypeRef ); + if (elementTypeDescr == nullptr) + { + appendTypeError( buf, elementTypeRef ); + } + else + { + sal_Int32 nElementSize = elementTypeDescr->nSize; + uno_Sequence * seq = + *static_cast< uno_Sequence * const * >(val); + sal_Int32 nElements = seq->nElements; + + if (nElements > 0) + { + buf.append( "{ " ); + char const * pElements = seq->elements; + for ( sal_Int32 nPos = 0; nPos < nElements; ++nPos ) + { + appendValue( + buf, pElements + (nElementSize * nPos), + elementTypeDescr->pWeakRef, false ); + if (nPos < (nElements - 1)) + buf.append( ", " ); + } + buf.append( " }" ); + } + else + { + buf.append( "{}" ); + } + TYPELIB_DANGER_RELEASE( elementTypeDescr ); + } + TYPELIB_DANGER_RELEASE( typeDescr ); + } + break; + } + case typelib_TypeClass_ANY: { + buf.append( "{ " ); + uno_Any const * pAny = static_cast< uno_Any const * >(val); + appendValue( buf, pAny->pData, pAny->pType, true ); + buf.append( " }" ); + break; + } + case typelib_TypeClass_TYPE: + buf.append( (*static_cast< + typelib_TypeDescriptionReference * const * >(val) + )->pTypeName ); + break; + case typelib_TypeClass_STRING: { + buf.append( '\"' ); + OUString const & str = OUString::unacquired( + static_cast< rtl_uString * const * >(val) ); + sal_Int32 len = str.getLength(); + for ( sal_Int32 pos = 0; pos < len; ++pos ) + { + sal_Unicode c = str[ pos ]; + if (c == '\"') + buf.append( "\\\"" ); + else if (c == '\\') + buf.append( "\\\\" ); + else + appendChar( buf, c ); + } + buf.append( '\"' ); + break; + } + case typelib_TypeClass_ENUM: { + typelib_TypeDescription * typeDescr = nullptr; + typelib_typedescriptionreference_getDescription( &typeDescr, typeRef ); + if (typeDescr == nullptr || !typelib_typedescription_complete( &typeDescr )) { + appendTypeError( buf, typeRef ); + } + else + { + sal_Int32 * pValues = + reinterpret_cast< typelib_EnumTypeDescription * >( + typeDescr )->pEnumValues; + sal_Int32 nPos = reinterpret_cast< typelib_EnumTypeDescription * >( + typeDescr )->nEnumValues; + while (nPos--) + { + if (pValues[ nPos ] == *static_cast< int const * >(val)) + break; + } + if (nPos >= 0) + { + buf.append( reinterpret_cast< typelib_EnumTypeDescription * >( + typeDescr )->ppEnumNames[ nPos ] ); + } + else + { + buf.append( "?unknown enum value?" ); + } + } + if (typeDescr != nullptr) + typelib_typedescription_release( typeDescr ); + break; + } + case typelib_TypeClass_BOOLEAN: + if (*static_cast< sal_Bool const * >(val)) + buf.append( "true" ); + else + buf.append( "false" ); + break; + case typelib_TypeClass_CHAR: { + buf.append( '\'' ); + sal_Unicode c = *static_cast< sal_Unicode const * >(val); + if (c == '\'') + buf.append( "\\\'" ); + else if (c == '\\') + buf.append( "\\\\" ); + else + appendChar( buf, c ); + buf.append( '\'' ); + break; + } + case typelib_TypeClass_FLOAT: + buf.append( *static_cast< float const * >(val) ); + break; + case typelib_TypeClass_DOUBLE: + buf.append( *static_cast< double const * >(val) ); + break; + case typelib_TypeClass_BYTE: + buf.append( static_cast< sal_Int32 >( + *static_cast< sal_Int8 const * >(val) ) ); + break; + case typelib_TypeClass_SHORT: + buf.append( static_cast< sal_Int32 >( + *static_cast< sal_Int16 const * >(val) ) ); + break; + case typelib_TypeClass_UNSIGNED_SHORT: + buf.append( static_cast< sal_Int32 >( + *static_cast< sal_uInt16 const * >(val) ) ); + break; + case typelib_TypeClass_LONG: + buf.append( *static_cast< sal_Int32 const * >(val) ); + break; + case typelib_TypeClass_UNSIGNED_LONG: + buf.append( static_cast< sal_Int64 >( + *static_cast< sal_uInt32 const * >(val) ) ); + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + buf.append( *static_cast< sal_Int64 const * >(val) ); + break; +// case typelib_TypeClass_UNKNOWN: +// case typelib_TypeClass_SERVICE: +// case typelib_TypeClass_MODULE: + default: + buf.append( '?' ); + break; + } +} + +} // anon namespace + + +OUString anyToString( uno::Any const & value ) +{ + OUStringBuffer buf; + appendValue( buf, value.getValue(), value.getValueTypeRef(), true ); + return buf.makeStringAndClear(); +} + +} // namespace comphelper + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |