diff options
Diffstat (limited to 'ucb/source/ucp/webdav/UCBDeadPropertyValue.cxx')
| -rw-r--r-- | ucb/source/ucp/webdav/UCBDeadPropertyValue.cxx | 526 |
1 files changed, 526 insertions, 0 deletions
diff --git a/ucb/source/ucp/webdav/UCBDeadPropertyValue.cxx b/ucb/source/ucp/webdav/UCBDeadPropertyValue.cxx new file mode 100644 index 000000000..0f3543012 --- /dev/null +++ b/ucb/source/ucp/webdav/UCBDeadPropertyValue.cxx @@ -0,0 +1,526 @@ +/* -*- 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 <rtl/ustrbuf.hxx> +#include <sal/log.hxx> +#include "UCBDeadPropertyValue.hxx" + +using namespace http_dav_ucp; +using namespace ::com::sun::star; + + +// static +const OUString UCBDeadPropertyValue::aTypeString + = "string"; +const OUString UCBDeadPropertyValue::aTypeLong + = "long"; +const OUString UCBDeadPropertyValue::aTypeShort + = "short"; +const OUString UCBDeadPropertyValue::aTypeBoolean + = "boolean"; +const OUString UCBDeadPropertyValue::aTypeChar + = "char"; +const OUString UCBDeadPropertyValue::aTypeByte + = "byte"; +const OUString UCBDeadPropertyValue::aTypeHyper + = "hyper"; +const OUString UCBDeadPropertyValue::aTypeFloat + = "float"; +const OUString UCBDeadPropertyValue::aTypeDouble + = "double"; + +// static +const OUString UCBDeadPropertyValue::aXMLPre + = "<ucbprop><type>"; +const OUString UCBDeadPropertyValue::aXMLMid + = "</type><value>"; +const OUString UCBDeadPropertyValue::aXMLEnd + = "</value></ucbprop>"; + +/* + +#define STATE_TOP (1) + +#define STATE_UCBPROP (STATE_TOP) +#define STATE_TYPE (STATE_TOP + 1) +#define STATE_VALUE (STATE_TOP + 2) + +extern "C" int UCBDeadPropertyValue_startelement_callback( + void *, + int parent, + const char * nspace, + const char *name, + const char ** ) +{ + if ( name != 0 ) + { + switch ( parent ) + { + case NE_XML_STATEROOT: + if ( strcmp( name, "ucbprop" ) == 0 ) + return STATE_UCBPROP; + break; + + case STATE_UCBPROP: + if ( strcmp( name, "type" ) == 0 ) + return STATE_TYPE; + else if ( strcmp( name, "value" ) == 0 ) + return STATE_VALUE; + break; + } + } + return NE_XML_DECLINE; +} + + +extern "C" int UCBDeadPropertyValue_chardata_callback( + void *userdata, + int state, + const char *buf, + size_t len ) +{ + UCBDeadPropertyValueParseContext * pCtx + = static_cast< UCBDeadPropertyValueParseContext * >( userdata ); + + switch ( state ) + { + case STATE_TYPE: + SAL_WARN_IF( pCtx->pType, "ucb.ucp.webdav", + "UCBDeadPropertyValue_endelement_callback - " + "Type already set!" ); + pCtx->pType + = new OUString( buf, len, RTL_TEXTENCODING_ASCII_US ); + break; + + case STATE_VALUE: + SAL_WARN_IF( pCtx->pValue, "ucb.ucp.webdav", + "UCBDeadPropertyValue_endelement_callback - " + "Value already set!" ); + pCtx->pValue + = new OUString( buf, len, RTL_TEXTENCODING_ASCII_US ); + break; + } + return 0; // zero to continue, non-zero to abort parsing +} + + +extern "C" int UCBDeadPropertyValue_endelement_callback( + void *userdata, + int state, + const char *, + const char * ) +{ + UCBDeadPropertyValueParseContext * pCtx + = static_cast< UCBDeadPropertyValueParseContext * >( userdata ); + + switch ( state ) + { + case STATE_TYPE: + if ( !pCtx->pType ) + return 1; // abort + break; + + case STATE_VALUE: + if ( !pCtx->pValue ) + return 1; // abort + break; + + case STATE_UCBPROP: + if ( !pCtx->pType || ! pCtx->pValue ) + return 1; // abort + break; + } + return 0; // zero to continue, non-zero to abort parsing +} +*/ + + +static OUString encodeValue( const OUString & rValue ) +{ + // Note: I do not use the usual & + < + > encoding, because + // I want to prevent any XML parser from trying to 'understand' + // the value. This caused problems: + + // Example: + // - Unencoded property value: x<z + // PROPPATCH: + // - Encoded property value: x<z + // - UCBDeadPropertyValue::toXML result: + // <ucbprop><type>string</type><value>x<z</value></ucbprop> + // PROPFIND: + // - parser replaces < by > ==> error (not well formed) + + OUStringBuffer aResult; + const sal_Unicode * pValue = rValue.getStr(); + + sal_Int32 nCount = rValue.getLength(); + for ( sal_Int32 n = 0; n < nCount; ++n ) + { + const sal_Unicode c = pValue[ n ]; + + if ( '%' == c ) + aResult.append( "%per;" ); + else if ( '<' == c ) + aResult.append( "%lt;" ); + else if ( '>' == c ) + aResult.append( "%gt;" ); + else + aResult.append( c ); + } + return aResult.makeStringAndClear(); +} + +/* + +static OUString decodeValue( const OUString & rValue ) +{ + OUStringBuffer aResult; + const sal_Unicode * pValue = rValue.getStr(); + + sal_Int32 nPos = 0; + sal_Int32 nEnd = rValue.getLength(); + + while ( nPos < nEnd ) + { + sal_Unicode c = pValue[ nPos ]; + + if ( '%' == c ) + { + nPos++; + + if ( nPos == nEnd ) + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + + c = pValue[ nPos ]; + + if ( 'p' == c ) + { + // %per; + + if ( nPos > nEnd - 4 ) + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + + if ( ( 'e' == pValue[ nPos + 1 ] ) + && + ( 'r' == pValue[ nPos + 2 ] ) + && + ( ';' == pValue[ nPos + 3 ] ) ) + { + aResult.append( '%' ); + nPos += 3; + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + } + else if ( 'l' == c ) + { + // %lt; + + if ( nPos > nEnd - 3 ) + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + + if ( ( 't' == pValue[ nPos + 1 ] ) + && + ( ';' == pValue[ nPos + 2 ] ) ) + { + aResult.append( '<' ); + nPos += 2; + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + } + else if ( 'g' == c ) + { + // %gt; + + if ( nPos > nEnd - 3 ) + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + + if ( ( 't' == pValue[ nPos + 1 ] ) + && + ( ';' == pValue[ nPos + 2 ] ) ) + { + aResult.append( '>' ); + nPos += 2; + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::decodeValue - syntax error!" ); + return OUString(); + } + } + else + aResult.append( c ); + + nPos++; + } + + return OUString( aResult ); +} +*/ + + +// static +bool UCBDeadPropertyValue::supportsType( const uno::Type & rType ) +{ + if ( ( rType != cppu::UnoType<OUString>::get() ) + && + ( rType != cppu::UnoType<sal_Int32>::get() ) + && + ( rType != cppu::UnoType<sal_Int16>::get() ) + && + ( rType != cppu::UnoType<bool>::get() ) + && + ( rType != cppu::UnoType<cppu::UnoCharType>::get() ) + && + ( rType != cppu::UnoType<sal_Int8>::get() ) + && + ( rType != cppu::UnoType<sal_Int64>::get() ) + && + ( rType != cppu::UnoType<float>::get() ) + && + ( rType != cppu::UnoType<double>::get() ) ) + { + return false; + } + + return true; +} + + +// static +bool UCBDeadPropertyValue::createFromXML( const OString & /*rInData*/, + uno::Any & /*rOutData*/ ) +{ + bool success = false; + + /* + ne_xml_parser * parser = ne_xml_create(); + if ( parser ) + { + UCBDeadPropertyValueParseContext aCtx; + ne_xml_push_handler( parser, + UCBDeadPropertyValue_startelement_callback, + UCBDeadPropertyValue_chardata_callback, + UCBDeadPropertyValue_endelement_callback, + &aCtx ); + + ne_xml_parse( parser, rInData.getStr(), rInData.getLength() ); + + success = !ne_xml_failed( parser ); + + ne_xml_destroy( parser ); + + if ( success ) + { + if ( aCtx.pType && aCtx.pValue ) + { + // Decode aCtx.pValue! It may contain XML reserved chars. + OUString aStringValue = decodeValue( *aCtx.pValue ); + if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeString ) ) + { + rOutData <<= aStringValue; + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeLong ) ) + { + rOutData <<= aStringValue.toInt32(); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeShort ) ) + { + rOutData <<= sal_Int16( aStringValue.toInt32() ); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeBoolean ) ) + { + if ( aStringValue.equalsIgnoreAsciiCase( + OUString( "true" ) ) ) + rOutData <<= sal_Bool( sal_True ); + else + rOutData <<= sal_Bool( sal_False ); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeChar ) ) + { + rOutData <<= aStringValue.toChar(); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeByte ) ) + { + rOutData <<= sal_Int8( aStringValue.toChar() ); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeHyper ) ) + { + rOutData <<= aStringValue.toInt64(); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeFloat ) ) + { + rOutData <<= aStringValue.toFloat(); + } + else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeDouble ) ) + { + rOutData <<= aStringValue.toDouble(); + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::createFromXML - " + "Unsupported property type!" ); + success = false; + } + } + else + success = false; + } + } + */ + return success; +} + + +// static +bool UCBDeadPropertyValue::toXML( const uno::Any & rInData, + OUString & rOutData ) +{ + // <ucbprop><type>the_type</type><value>the_value</value></ucbprop> + + // Check property type. Extract type and value as string. + + const uno::Type& rType = rInData.getValueType(); + OUString aStringValue; + OUString aStringType; + + if ( rType == cppu::UnoType<OUString>::get() ) + { + // string + rInData >>= aStringValue; + aStringType = aTypeString; + } + else if ( rType == cppu::UnoType<sal_Int32>::get() ) + { + // long + sal_Int32 nValue = 0; + rInData >>= nValue; + aStringValue = OUString::number( nValue ); + aStringType = aTypeLong; + } + else if ( rType == cppu::UnoType<sal_Int16>::get() ) + { + // short + sal_Int32 nValue = 0; + rInData >>= nValue; + aStringValue = OUString::number( nValue ); + aStringType = aTypeShort; + } + else if ( rType == cppu::UnoType<bool>::get() ) + { + // boolean + bool bValue = false; + rInData >>= bValue; + aStringValue = OUString::boolean( bValue ); + aStringType = aTypeBoolean; + } + else if ( rType == cppu::UnoType<cppu::UnoCharType>::get() ) + { + // char + sal_Unicode cValue = 0; + rInData >>= cValue; + aStringValue = OUString( cValue ); + aStringType = aTypeChar; + } + else if ( rType == cppu::UnoType<sal_Int8>::get() ) + { + // byte + sal_Int8 nValue = 0; + rInData >>= nValue; + aStringValue = OUString( sal_Unicode( nValue ) ); + aStringType = aTypeByte; + } + else if ( rType == cppu::UnoType<sal_Int64>::get() ) + { + // hyper + sal_Int64 nValue = 0; + rInData >>= nValue; + aStringValue = OUString::number( nValue ); + aStringType = aTypeHyper; + } + else if ( rType == cppu::UnoType<float>::get() ) + { + // float + float nValue = 0; + rInData >>= nValue; + aStringValue = OUString::number( nValue ); + aStringType = aTypeFloat; + } + else if ( rType == cppu::UnoType<double>::get() ) + { + // double + double nValue = 0; + rInData >>= nValue; + aStringValue = OUString::number( nValue ); + aStringType = aTypeDouble; + } + else + { + SAL_WARN( "ucb.ucp.webdav", + "UCBDeadPropertyValue::toXML - " + "Unsupported property type!" ); + return false; + } + + // Encode value! It must not contain XML reserved chars! + aStringValue = encodeValue( aStringValue ); + + rOutData = aXMLPre; + rOutData += aStringType; + rOutData += aXMLMid; + rOutData += aStringValue; + rOutData += aXMLEnd; + return true; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |