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-rw-r--r--comphelper/source/misc/anytostring.cxx316
1 files changed, 316 insertions, 0 deletions
diff --git a/comphelper/source/misc/anytostring.cxx b/comphelper/source/misc/anytostring.cxx
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+++ b/comphelper/source/misc/anytostring.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 <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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-03 13:35:49 +0000