office-gobmx/comphelper/source/misc/anytostring.cxx
Luboš Luňák afda77cd65 use C++ class handling ownership for anyToString()
This matches changes I did for anyLess() in my previous commit.

Change-Id: Id38c49c10223340b7359765e1071d8a9f72ba92e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128046
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
2022-01-09 15:43:07 +01:00

316 lines
10 KiB
C++

/* -*- 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.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include "typedescriptionref.hxx"
using namespace ::com::sun::star;
using ::com::sun::star::uno::TypeDescription;
using ::comphelper::detail::TypeDescriptionRef;
namespace comphelper {
namespace {
void appendTypeError(
OUStringBuffer & buf, const 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( "{ " );
TypeDescription typeDescr( typeRef );
if (!typeDescr.is())
typeDescr.makeComplete();
if (!typeDescr.is()) {
appendTypeError( buf, typeRef );
}
else {
typelib_CompoundTypeDescription * compType =
reinterpret_cast< typelib_CompoundTypeDescription * >(
typeDescr.get() );
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( " = " );
TypeDescriptionRef memberType( ppTypeRefs[ nPos ] );
if (!memberType.is()) {
appendTypeError( buf, ppTypeRefs[ nPos ] );
}
else {
appendValue( buf,
static_cast< char const * >(
val ) + memberOffsets[ nPos ],
memberType->pWeakRef, true );
}
if (nPos < (nDescr - 1))
buf.append( ", " );
}
}
buf.append( " }" );
break;
}
case typelib_TypeClass_SEQUENCE: {
TypeDescriptionRef typeDescr( typeRef );
if (!typeDescr.is()) {
appendTypeError( buf,typeRef );
}
else {
typelib_TypeDescriptionReference * elementTypeRef =
reinterpret_cast<
typelib_IndirectTypeDescription * >(typeDescr.get())->pType;
TypeDescriptionRef elementTypeDescr( elementTypeRef );
if (!elementTypeDescr.is())
{
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( "{}" );
}
}
}
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: {
TypeDescription typeDescr( typeRef );
if (!typeDescr.is())
typeDescr.makeComplete();
if (!typeDescr.is()) {
appendTypeError( buf, typeRef );
}
else
{
sal_Int32 * pValues =
reinterpret_cast< typelib_EnumTypeDescription * >(
typeDescr.get() )->pEnumValues;
sal_Int32 nPos = reinterpret_cast< typelib_EnumTypeDescription * >(
typeDescr.get() )->nEnumValues;
while (nPos--)
{
if (pValues[ nPos ] == *static_cast< int const * >(val))
break;
}
if (nPos >= 0)
{
buf.append( reinterpret_cast< typelib_EnumTypeDescription * >(
typeDescr.get() )->ppEnumNames[ nPos ] );
}
else
{
buf.append( "?unknown enum value?" );
}
}
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: */